Big-Data-HPC-Platform/esp/services/WsDeploy/WsDeployService.cpp

/*##############################################################################

    Copyright (C) 2011 HPCC Systems.

    All rights reserved. This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
############################################################################## */

#pragma warning (disable : 4786)

#include "WsDeployService.hpp"
#include "WsDeployEngine.hpp"
#include "jwrapper.hpp"
#include "daclient.hpp"
#include "dadfs.hpp"
#include "jencrypt.hpp"

#ifdef _WINDOWS
#include <winsock2.h>
#define strlwr _strlwr
#endif

#define STANDARD_CONFIG_BACKUPDIR CONFIG_DIR"/backup"
#define STANDARD_CONFIG_SOURCEDIR CONFIG_DIR
#define STANDARD_CONFIG_BUILDSETFILE "buildset.xml"
#define STANDARD_CONFIG_CONFIGXML_DIR "/componentfiles/configxml/"
#define STANDARD_CONFIG_STAGED_PATH "/etc/HPCCSystems/environment.xml"

#define DEFAULT_DIRECTORIES "<Directories name=\""DIR_NAME"\">\
      <Category dir=\""EXEC_PREFIX"/log/[NAME]/[INST]\" name=\"log\"/>\
      <Category dir=\""EXEC_PREFIX"/lib/[NAME]/[INST]\" name=\"run\"/>\
      <Category dir=\""CONFIG_PREFIX"/[NAME]/[INST]\" name=\"conf\"/>\
      <Category dir=\""EXEC_PREFIX"/lib/[NAME]/[INST]/temp\" name=\"temp\"/> \
      <Category dir=\""EXEC_PREFIX"/lib/[NAME]/hpcc-data/[COMPONENT]\" name=\"data\"/> \
      <Category dir=\""EXEC_PREFIX"/lib/[NAME]/hpcc-data2/[COMPONENT]\" name=\"data2\"/> \
      <Category dir=\""EXEC_PREFIX"/lib/[NAME]/hpcc-data3/[COMPONENT]\" name=\"data3\"/> \
      <Category dir=\""EXEC_PREFIX"/lib/[NAME]/hpcc-mirror/[COMPONENT]\" name=\"mirror\"/> \
      <Category dir=\""EXEC_PREFIX"/lib/[NAME]/queries/[INST]\" name=\"query\"/> \
      <Category dir=\""EXEC_PREFIX"/lock/[NAME]/[INST]\" name=\"lock\"/> \
      </Directories>"
#include <vector>

using namespace std;
typedef vector<IPropertyTree*> IPropertyTreePtrArray;

bool CCloudTaskThread::s_abort = false;

bool supportedInEEOnly()
{
  throw MakeStringException(-1, "This operation is supported in Enterprise and above editions only. Please contact HPCC Systems at http://www.hpccsystems.com/contactus");
}

void substituteParameters(const IPropertyTree* pEnv, const char *xpath, IPropertyTree* pNode, StringBuffer& result) 
{
  const char* xpathorig = xpath;
  while (*xpath)
  {
    if (*xpath=='$')
    {
      if (strncmp(xpath, "$build", 6)==0)
      {
        result.append('\"');
        result.append(pNode->queryProp(XML_ATTR_BUILD));
        result.append('\"');
        xpath+=6;
      }
      else if (strncmp(xpath, "$model", 6)==0)
      {
        result.append("Model");
        const char *datamodel = pNode->queryProp("@dataModel");
        if (datamodel)
        {
          result.append("[@name=\"");
          result.append(datamodel);
          result.append("\"]");
        }
        xpath+=6;
      }
      else if (strncmp(xpath, "$parentmodel", 12)==0)
      {
        // Find the model that I am in - HACK
        result.append( "Model");
        const char *datamodel = NULL;
        const IPropertyTree *root = pEnv;
        IPropertyTree *current = pNode;
        Owned<IPropertyTreeIterator> allModels = root->getElements("Data/Model");
        ForEach(*allModels)
        {
          IPropertyTree &model = allModels->query();
          Owned<IPropertyTreeIterator> children = model.getElements("*");
          ForEach(*children)
          {
            if (&children->query()==current)
            {
              datamodel = model.queryProp("@name");
              break;
            }
          }
          if (datamodel)
            break;
        }                   
        if (datamodel)
        {
          result.append("[@name=\"");
          result.append(datamodel);
          result.append("\"]");
        }
        xpath+=12;
      }
      else if (strncmp(xpath, "$./*", 4) == 0)
      {
        String xpath2(xpath+4);
        StringBuffer sb(xpath2);
        String xpath3(xpathorig);
        String* pstr = xpath3.substring(xpath3.lastIndexOf('[', xpath3.indexOf("$./*")) + 1, xpath3.indexOf("$./*"));
        int pos1 = xpath2.indexOf(']');
        int pos2 = xpath2.lastIndexOf('/');

        if (pos1 != -1 && pos2 != -1)
          sb.clear().append(xpath2.substring(0, pos2)->toCharArray());
        else if (pos1 != -1)
          sb.clear().append(xpath2.substring(0, pos1)->toCharArray());

        Owned<IPropertyTreeIterator> elems = pNode->getElements(sb.str());

        if (pos2 != -1)
          sb.clear().append(xpath2.substring(pos2+ 1, pos1)->toCharArray());

        ForEach(*elems)
        {
          IPropertyTree* elem = &elems->query();
          result.append('\"');
          result.append(elem->queryProp(sb.str()));
          result.append("\"").append("][").append(pstr->toCharArray());
        }

        result.setLength(result.length() - pstr->length() - 2);
        delete pstr;

        xpath+=pos1+4;
      }
      else if (strncmp(xpath, "$./", 3) == 0)
      {
        String xpath2(xpath+3);
        StringBuffer sb(xpath2);
        int pos = xpath2.indexOf(']');
        if (pos != -1)
          sb.clear().append(xpath2.substring(0, pos)->toCharArray());

        result.append('\"');
        result.append(pNode->queryProp(sb.str()));
        result.append('\"');
        xpath+=pos+3; //skip past $./ and xpath2
      }
      else  
        result.append(*xpath++);
    }
    else
      result.append(*xpath++);
  }
}

void expandRange(IPropertyTree* pComputers)
{
  if (pComputers && pComputers->hasProp("@hasrange"))
  {
    if(!strcmp(pComputers->queryProp("@hasrange"), "true"))
    {
      Owned<IPropertyTreeIterator> rangeIter = pComputers->getElements("ComputerRange");
      ForEach(*rangeIter)
      {
        StringArray ipList;
        IPropertyTree* pEachComp = &rangeIter->query();
        formIPList(pEachComp->queryProp(XML_ATTR_NETADDRESS), ipList);

        for(unsigned i = 0 ; i < ipList.ordinality(); i++)
        {
          IPropertyTree* pElem = pComputers->addPropTree(XML_TAG_COMPUTER,createPTree());
          pElem->addProp(XML_ATTR_NETADDRESS,ipList.item(i));
        }

        pComputers->removeTree(pEachComp);
      }

      pComputers->removeProp("@hasrange");
    }
  }
}

CConfigHelper::CConfigHelper()
{
}

CConfigHelper::~CConfigHelper()
{
}

void CConfigHelper::init(const IPropertyTree *cfg, const char* esp_name)
{
  StringBuffer xpath;

  xpath.clear().appendf("%s/%s/%s[%s='%s']/%s",XML_TAG_SOFTWARE, XML_TAG_ESPPROCESS, XML_TAG_ESPSERVICE, XML_ATTR_NAME, esp_name, XML_TAG_LOCALCONFFILE);
  m_strConfFile = cfg->queryProp(xpath.str());

  xpath.clear().appendf("%s/%s/%s[%s='%s']/%s",XML_TAG_SOFTWARE, XML_TAG_ESPPROCESS, XML_TAG_ESPSERVICE, XML_ATTR_NAME, esp_name, XML_TAG_LOCALENVCONFFILE);
  m_strEnvConfFile = cfg->queryProp(xpath.str());

  if (m_strConfFile.length() > 0 && m_strEnvConfFile.length() > 0)
  {
    Owned<IProperties> pParams = createProperties(m_strConfFile);
    Owned<IProperties> pEnvParams = createProperties(m_strEnvConfFile);

    m_strConfigXMLDir = pEnvParams->queryProp(TAG_PATH);

    if ( m_strConfigXMLDir.length() == 0)
    {
      m_strConfigXMLDir = INSTALL_DIR;
    }

    m_strBuildSetFileName = pParams->queryProp(TAG_BUILDSET);

    m_strBuildSetFilePath.append(m_strConfigXMLDir).append(STANDARD_CONFIG_CONFIGXML_DIR).append( m_strBuildSetFileName.length() > 0 ? m_strBuildSetFileName : STANDARD_CONFIG_BUILDSETFILE);
    m_pDefBldSet.set(createPTreeFromXMLFile(m_strBuildSetFilePath.str()));
  }
}

bool CConfigHelper::isInBuildSet(const char* comp_process_name, const char* comp_name) const
{
  StringBuffer xpath;

  xpath.appendf("./%s/%s/%s[%s=\"%s\"][%s=\"%s\"]", XML_TAG_PROGRAMS, XML_TAG_BUILD, XML_TAG_BUILDSET, XML_ATTR_PROCESS_NAME, comp_process_name, XML_ATTR_NAME, comp_name);

  if (strcmp(XML_TAG_DIRECTORIES,comp_name) != 0 && m_pDefBldSet->queryPropTree(xpath.str()) == NULL)
  {
     return false;
  }
  else
  {
     return true;
  }
}

CWsDeployExCE::~CWsDeployExCE()
{
    m_pCfg.clear();
    closeEnvironment();
    closedownClientProcess();
    HashIterator iter(m_fileInfos);
    ForEach(iter)
  {
    IMapping &cur = iter.query();
    CWsDeployFileInfo* pInfo = m_fileInfos.mapToValue(&cur);
    pInfo->Release();
  }

  m_fileInfos.kill();
}

IPropertyTree* CWsDeployFileInfo::getEnvTree(IEspContext &context, IConstWsDeployReqInfo *reqInfo)
{
  StringBuffer sbName, sbUserIp;
  if (reqInfo)
    sbName.clear().append(reqInfo->getUserId());
  
  context.getPeer(sbUserIp);

  if (m_userWithLock.length() && !strcmp(sbName.str(), m_userWithLock.str()) && !strcmp(sbUserIp.str(), m_userIp.str()) &&  m_Environment != NULL)
    return &m_Environment->getPTree();
  else
    return &m_constEnvRdOnly->getPTree();
}

void CWsDeployFileInfo::activeUserNotResponding()
{
  m_activeUserNotResp = true;
}

void CWsDeployExCE::init(IPropertyTree *cfg, const char *process, const char *service)
{
  if (m_lastStarted.isNull())
    m_lastStarted.setNow();

  if (m_pCfg.get() == NULL)
    m_pCfg.setown(createPTreeFromIPT(cfg));

  if (m_process.length() == 0)
    m_process.append(process);

  if (m_service.length() == 0)
    m_service.append(service);

  m_bCloud = false;
  StringBuffer xpath;
  m_envFile.clear();

  m_configHelper.init(cfg,service);

  xpath.clear().appendf("Software/EspProcess/EspService[@name='%s']/LocalEnvConfFile", service);
  const char* tmp = cfg->queryProp(xpath.str());
  if (tmp && *tmp)
  {
    Owned<IProperties> pParams = createProperties(tmp);
    m_sourceDir.clear().append(pParams->queryProp("sourcedir"));
    if (!m_sourceDir.length())
      m_sourceDir.clear().append(STANDARD_CONFIG_SOURCEDIR);

    m_backupDir.clear().append(m_sourceDir).append(PATHSEPSTR"backup");
  }

  if (m_backupDir.length() == 0)
    m_backupDir.clear().append(STANDARD_CONFIG_BACKUPDIR);

  if (!m_sourceDir.length())
    m_sourceDir.clear().append(STANDARD_CONFIG_SOURCEDIR);

  xpath.clear().appendf("Software/EspProcess/EspService[@name='%s']/LocalEnvFile", service);
  const char* pEnvFile = cfg->queryProp(xpath.str());

  if (pEnvFile && *pEnvFile)
  {
    CWsDeployFileInfo* fi = m_fileInfos.getValue(pEnvFile);
    StringBuffer sb;

    if (!fi)
    {
      synchronized block(m_mutexSrv);
      StringBuffer filePath(pEnvFile);

      if (strstr(pEnvFile, m_sourceDir.str()) != pEnvFile)
      {
        filePath.clear().append(m_sourceDir);
        filePath.append(PATHSEPCHAR);
        filePath.append(pEnvFile);
      }

      fi = new CWsDeployFileInfo(this, filePath.str(), m_bCloud);
      const char* psz = strrchr(pEnvFile, PATHSEPCHAR);
      if (!psz)
        psz = strrchr(pEnvFile, PATHSEPCHAR == '\\' ? '/' : '\\');

      if (!psz)
        sb.append(pEnvFile);
      else
        sb.append(psz + 1);
      m_fileInfos.setValue(sb.str(), fi);
    }

    try
    {
      fi->initFileInfo(false);
    }
    catch (IException* e)
    {
      m_fileInfos.remove(sb.str());
      delete fi;
      e->Release();
    }

    m_envFile.append(pEnvFile);
  }
}

bool CWsDeployFileInfo::navMenuEvent(IEspContext &context, 
                                     IEspNavMenuEventRequest &req, 
                                     IEspNavMenuEventResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), false);

  const char* cmd   = req.getCmd();
  const char* xmlArg = req.getXmlArgs();

  if (!cmd || !*cmd)
    throw ::MakeStringException(-1, "Invalid command specified!");

  if (!strcmp(cmd, "LockEnvironment"))
  {
    StringBuffer sbName, sbUserIp;
    sbName.clear().append(req.getReqInfo().getUserId());
    context.getPeer(sbUserIp);

    if (!strcmp(sbName.str(), m_userWithLock.str()) && !strcmp(sbUserIp.str(), m_userIp.str()))
      throw MakeStringException(-1, "Another browser window already has write access on machine '%s'. Please use that window.", sbUserIp.str());
  }  
  else if (strcmp(cmd, "SaveEnvironmentAs"))
    checkForRefresh(context, &req.getReqInfo(), true);

  if (!stricmp(cmd, "Deploy"))
  {
    /*  xmlArg for is of the form:

    <EspNavigationData>
    <Folder name="Environment">
    <Folder name="Software">
    <Folder name="EspProcesses">
    <Link name="ESP Process - esp1" selected="true"/>
    <Link name="ESP Process - esp2" selected="true"/>
    </Folder>
    <Folder name="EclServerProcess - eclserver" selected="true"/>
    </Folder>
    </Folder>
    </EspNavigationData>

    There are one or more attributes and modules marked as @selected
    so enumerate these selected nodes and produce xml of the form:

    <Deploy>
    <SelectedComponents>
    <EspProcess name="esp1"/>//deploy all instances
    <EspProcess name="esp2"/>
    <Instance name="s1" computer="2wd20"/> //deploy selected instances only
    </EspProcess>
    </SelectedComponents>
    </Deploy>
    */
    Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());
    IPropertyTree* pEnvSoftware = pEnvRoot->queryPropTree(XML_TAG_SOFTWARE);

    Owned<IPropertyTree> pDeploy = createPTree("Deploy");
    IPropertyTree* pComponents = pDeploy->addPropTree("Components", createPTree());

    if (pEnvSoftware)
    {
      Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<XmlArgs/>");
      IPropertyTree* pSoftwareFolder = pSrcTree->queryPropTree("Folder[@name='Environment']/Folder[@name='Software']");

      if (pSoftwareFolder)
      {
        bool bSelected = pSoftwareFolder->getPropBool("@selected", false);

        if (bSelected)
        {
          Owned<IPropertyTreeIterator> iComp = pEnvSoftware->getElements("*", iptiter_sort );
          ForEach(*iComp)
            addDeployableComponentAndInstances(pEnvRoot, &iComp->query(), pComponents, NULL, NULL);
        }
        else
        {
          Owned<IPropertyTreeIterator> iFolder = pSoftwareFolder->getElements( "*" );
          ForEach (*iFolder)
          {
            IPropertyTree* pFolder = &iFolder->query();
            bool bSelected = pFolder->getPropBool("@selected", false);

            const char* szFolderName = pFolder->queryProp(XML_ATTR_NAME);
            if (strstr(szFolderName, " - ") != NULL)
            {
              IPropertyTree* pCompInEnv = findComponentForFolder(pFolder, pEnvSoftware);

              if (pCompInEnv)
                addDeployableComponentAndInstances(pEnvRoot, pCompInEnv, pComponents, pFolder, NULL);
            }
            else if (!strcmp(szFolderName, "ECL Servers"))
            {
              Owned<IPropertyTreeIterator> iSubFolder = pFolder->getElements( "*" );

              ForEach (*iSubFolder)
              {
                IPropertyTree* pSubFolder = &iSubFolder->query();
                IPropertyTree* pCompInEnv = findComponentForFolder(pSubFolder, pEnvSoftware);

                if (pCompInEnv)
                  addDeployableComponentAndInstances(pEnvRoot, pCompInEnv, pComponents, pSubFolder, NULL);
              }
            }
            else
            {
              //this folder bundles multiple components and has name like "ESP Servers"
              //
              if (bSelected)
              {
                //if selected, deploy all its components like deploy all ESP servers
                //
                const char* params = pFolder->queryProp("@params");
                if (params)
                {
                  // pFolder's @params has string of the form: "comp=EspProcess"
                  //
                  Owned<IProperties> pParams = createProperties();
                  pParams->loadProps(params);

                  const char* comp = pParams->queryProp("comp");
                  if (comp && *comp)
                  {
                    Owned<IPropertyTreeIterator> iComp = pEnvSoftware->getElements(comp);
                    ForEach(*iComp)
                      addDeployableComponentAndInstances(pEnvRoot, &iComp->query(), pComponents, NULL, szFolderName);
                  }
                }
              }
              else
              {
                //deploy only selected components under this folder
                //
                Owned<IPropertyTreeIterator> iFolder = pFolder->getElements("*[@selected='true']");
                ForEach(*iFolder)
                {
                  IPropertyTree* pFolder = &iFolder->query();
                  IPropertyTree* pCompInEnv = findComponentForFolder(pFolder, pEnvSoftware);
                  if (pCompInEnv)
                    addDeployableComponentAndInstances(pEnvRoot, pCompInEnv, pComponents, pFolder, szFolderName);
                }
              }
            }
          }
        }//software folder is not selected
      }//pSoftwareFolder
    }//pEnvSoftware

    StringBuffer xml;
    toXML(pDeploy, xml, false);

    resp.setComponent( "WsDeploy" );
    resp.setCommand ( "Deploy" );
    resp.setXmlArgs( xml.str() );
  }//deploy
  else
    if (!stricmp(cmd, "Dependencies"))
    {
      /*    xmlArg for is of the form:

      <EspNavigationData>
      <Folder name="Environment">
      <Folder name="Hardware">
      <Folder name="Computers">
      <Link name="machine1"/>
      <Link name="machine2"/>
      </Folder>
      </Folder>
      </Folder>
      </EspNavigationData>

      There are one or more attributes and modules marked as @selected
      so enumerate these selected nodes and produce xml of the form:

      <Deploy>
      <SelectedComponents>
      <EspProcess name="esp1"/>//deploy all instances
      <EspProcess name="esp2"/>
      <Instance name="s1" computer="2wd20"/> //deploy selected instances only
      </EspProcess>
      </SelectedComponents>
      </Deploy>
      */
      Owned<IPropertyTree> pDeploy = createPTree("Deploy");
      IPropertyTree* pComponents = pDeploy->addPropTree("Components", createPTree());

      if (xmlArg && *xmlArg)
      {
        Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString( xmlArg);
        IPropertyTree* pComputersFolder = pSrcTree->queryPropTree("Folder[@name='Environment']/Folder[@name='Hardware']/Folder[@name='Computers']");

        if (pComputersFolder)
        {
          Owned<IPropertyTreeIterator> iLink = pComputersFolder->getElements( "Link" );
          ForEach (*iLink)
          {
            IPropertyTree* pLink = &iLink->query();
            const bool bSelected = pLink->getPropBool("@selected", false);
            const char* szComputerName = pLink->queryProp(XML_ATTR_NAME);

            //this folder bundles multiple components and has name like "ESP Servers"
            //
            if (bSelected)
            {
              //deploy all its components like deploy all ESP servers
              //addDeployableComponentAndInstances(pEnvRoot, pCompInEnv, pComponents, pFolder, szFolderName);
            }
          }
        }//pSoftwareFolder
      }//pEnvSoftware

      StringBuffer xml;
      toXML(pDeploy, xml, false);

      resp.setComponent( "WsDeploy" );
      resp.setCommand   ( "Deploy" );
      resp.setXmlArgs( xml.str() );
    }//dependencies
    else if (!stricmp(cmd, "LockEnvironment"))
    {
      StringBuffer xml;
      try 
      {
        if (m_userWithLock.length() == 0 || m_activeUserNotResp)
        {
          StringBuffer sbName, sbUserIp;
          sbName.clear().append(req.getReqInfo().getUserId());
          context.getPeer(sbUserIp);

          if (m_pFile.get() && m_pFile->isReadOnly())
          {
            xml.appendf("Write access to the Environment cannot be provided as %s is Read Only.", m_envFile.str());
            resp.setXmlArgs(xml.str());
            return true;
          }
          
          if (m_bCloud)
          {
            StringBuffer sbMsg;
            Owned<IPropertyTree> pComputers = createPTreeFromXMLString(xmlArg);
            
            CCloudActionHandler lockCloud(this, CLOUD_LOCK_ENV, CLOUD_UNLOCK_ENV, sbName.str(), "8015", pComputers);
            bool ret = lockCloud.start(sbMsg);
            if (!ret || sbMsg.length())
            {
              xml.appendf("Write access to the Environment cannot be provided. Reason(s):\n%s", sbMsg.str());
              resp.setXmlArgs(xml.str());
              return true;
            }
            else if (pComputers && pComputers->numChildren())
              m_lockedNodesBeforeEnv.set(pComputers);
          }

          StringBuffer sb;

          if (m_userWithLock.length() == 0)
            sb.append(sbName).append(sbUserIp);
          else
          {
            sb.append(m_userWithLock).append(m_userIp);
            m_userWithLock.clear();
            m_userIp.clear();
            m_Environment.clear();
            m_activeUserNotResp = false;
          }

          CClientAliveThread* th = m_keepAliveHTable.getValue(sb.str());
          if (th)
          {
            th->Release();
            m_keepAliveHTable.remove(sb.str());
          }

          StringBuffer sbxml;
          if (m_pFileIO.get())
          {
            Owned <IPropertyTree> pTree = createPTree(*m_pFileIO);
            toXML(pTree, sbxml);
          }
          else
            toXML(&m_constEnvRdOnly->getPTree(), sbxml);
          
          Owned<IEnvironmentFactory> factory = getEnvironmentFactory();
          m_Environment.setown(factory->loadLocalEnvironment(sbxml.str()));
          m_userWithLock.clear().append(req.getReqInfo().getUserId());
          context.getPeer(m_userIp.clear());

          Owned<IPropertyTree> pEnvRoot = &m_Environment->getPTree();
          unsigned timeout = pEnvRoot->getPropInt(XML_TAG_ENVSETTINGS"/brokenconntimeout", 60);
          
          th = new CClientAliveThread(this, timeout * 60 * 1000);
          m_keepAliveHTable.setValue(sb.str(), th);
          th->init();

          StringBuffer tmp;
          m_lastSaved.getString(tmp);
          resp.setLastSaved(tmp.str());
          resp.setComponent( "WsDeploy" );
          resp.setCommand   ( "LockEnvironment" );
        }
        else
        {
          StringBuffer sbName, sbUserIp;
          sbName.clear().append(req.getReqInfo().getUserId());
          context.getPeer(sbUserIp);

          if (strcmp(sbName.str(), m_userWithLock.str()) || strcmp(sbUserIp.str(), m_userIp.str()))
          {
            xml.appendf("Write access to the Environment cannot be provided as it is currently being used on machine %s.", m_userIp.str());
            resp.setXmlArgs(xml.str());
          }
        }
      }
      catch (IException* e)
      {
        StringBuffer sErrMsg;
        e->errorMessage(sErrMsg);
        e->Release();         
        if (m_envFile.length())
        {
          char achHost[128] = "";
          const char* p = strstr(sErrMsg.str(), "\n\n");
          if (p && *(p+=2))
          {
            const char* q = strchr(p, ':');
            if (q)
            {
              const int len = q-p;
              strncpy(achHost, p, len);
              achHost[len] = '\0';
            }
          }

          //resolve hostname for this IP address
          unsigned int addr = inet_addr(achHost);
          struct hostent* hp = gethostbyaddr((const char*)&addr, sizeof(addr), AF_INET);

          if (hp)
          {
            strcpy(achHost, hp->h_name);
            //strlwr(achHost);
          }

          StringBuffer sMsg;
          sMsg.appendf("Error accessing the environment definition");

          if (achHost[0])
            sMsg.appendf(" \nbecause it is locked by computer '%s'.", achHost);
          else
            sMsg.append(":\n\n").append(sErrMsg);

          throw MakeStringException(0, "%s", sMsg.str());
        }
        else
        {
          StringBuffer sMsg;
          sMsg.append("Error locking environment. ").append(sErrMsg.str());
          throw MakeStringException(-1, "%s", sMsg.str());
        }
      }
    }
    else if (!stricmp(cmd, "UnlockEnvironment"))
    {
      StringBuffer xml;
      try 
      {
        StringBuffer sbUser, sbUserIp, errMsg;
        context.getUserID(sbUser);
        sbUser.clear().append(req.getReqInfo().getUserId());
        context.getPeer(sbUserIp);

        if (!stricmp(m_userWithLock.str(), sbUser.str()) && !stricmp(sbUserIp.str(), m_userIp.str()))
        {
          Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<XmlArgs/>");
          IPropertyTree* pSaveEnv = pSrcTree->queryPropTree("SaveEnv[@flag='true']");

          StringBuffer sbErrMsg;
          if (pSaveEnv)
          {
            StringBuffer sb;
            m_skipEnvUpdateFromNotification = true;
            saveEnvironment(&context, &req.getReqInfo(), sb);

            if (sb.length())
              sbErrMsg.appendf("<Warning>%s</Warning>", sb.str());
          }

          unlockEnvironment(&context, &req.getReqInfo(), xmlArg, sbErrMsg, pSaveEnv != NULL);
          if (sbErrMsg.length())
          {
            resp.setXmlArgs(sbErrMsg.str());
            return true;
          }

          m_skipEnvUpdateFromNotification = false;

          StringBuffer tmp;
          m_lastSaved.getString(tmp);
          resp.setLastSaved(tmp.str());
          resp.setComponent( "WsDeploy" );
          resp.setCommand   ( "UnlockEnvironment" );
        }
        else
        {
          xml.appendf("The environment has been locked on machine '%s'", m_userIp.str());
          resp.setComponent( "WsDeploy" );
          resp.setCommand   ( "UnlockEnvironment" );
          resp.setXmlArgs( xml.str() );
        }
      }
      catch (IException* e)
      {
        StringBuffer sErrMsg;
        e->errorMessage(sErrMsg);
        e->Release();         

        if (m_envFile.length() == 0)
        {
          char achHost[128] = "";
          const char* p = strstr(sErrMsg.str(), "\n\n");
          if (p && *(p+=2))
          {
            const char* q = strchr(p, ':');
            if (q)
            {
              const int len = q-p;
              strncpy(achHost, p, len);
              achHost[len] = '\0';
            }
          }

          //resolve hostname for this IP address
          unsigned int addr = inet_addr(achHost);
          struct hostent* hp = gethostbyaddr((const char*)&addr, sizeof(addr), AF_INET);

          if (hp)
          {
            strcpy(achHost, hp->h_name);
          }

          StringBuffer sMsg;
          sMsg.appendf("The environment definition in dali server "
            "could not be opened for write access");

          if (achHost[0])
            sMsg.appendf(" \nbecause it is locked by computer '%s'.", achHost);
          else
            sMsg.append(":\n\n").append(sErrMsg);

          throw MakeStringException(0, "%s", sMsg.str());
        }
        else
        {
          StringBuffer sMsg;
          sMsg.append("Error unlocking environment. ").append(sErrMsg.str());
          throw MakeStringException(-1, "%s", sMsg.str());
        }
      }
    }
    else if (!stricmp(cmd, "SaveEnvironment"))
    {
      StringBuffer xml;
      StringBuffer sbUser, sbIp, sbErrMsg;
      sbUser.clear().append(req.getReqInfo().getUserId());
      context.getPeer(sbIp);

      if (m_userWithLock.length() != 0 && m_userIp.length() != 0 &&
         !strcmp(m_userWithLock.str(), sbUser.str()) && !strcmp(m_userIp.str(), sbIp.str()) && 
         m_Environment != NULL)
      {
        saveEnvironment(&context, &req.getReqInfo(), sbErrMsg);

        if (sbErrMsg.length())
          resp.setXmlArgs(sbErrMsg.str());

        StringBuffer tmp;
        m_lastSaved.getString(tmp);
        resp.setLastSaved(tmp.str());
        resp.setComponent( "WsDeploy" );
        resp.setCommand ( "SaveEnvironment" );
      }
      else
      {
        xml.appendf("The environment has been locked on machine '%s'", m_userIp.str());
        resp.setComponent( "WsDeploy" );
        resp.setCommand ( "SaveEnvironment" );
        resp.setXmlArgs( xml.str() );
      }
    }
    else if (!stricmp(cmd, "SaveEnvironmentAs"))
    {
      StringBuffer xml;
      StringBuffer sbUser, sbIp;
      sbUser.clear().append(req.getReqInfo().getUserId());
      context.getPeer(sbIp);
      const char* xmlArg = req.getXmlArgs();
      Owned<IPropertyTree> pParamTree = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<XmlArgs/>");
      const char* envSaveAs = pParamTree->queryProp("@envSaveAs");
      if (envSaveAs && *envSaveAs)
      {
        StringBuffer filePath(m_pService->getSourceDir());
        StringBuffer sbErrMsg;

        if (filePath.charAt(filePath.length() - 1) != PATHSEPCHAR)
          filePath.append(PATHSEPCHAR);
        filePath.append(envSaveAs);
        if (!strcmp(filePath.str(), m_envFile.str()))
        {
          if (m_userWithLock.length() != 0 && m_userIp.length() != 0 &&
             !strcmp(m_userWithLock.str(), sbUser.str()) && !strcmp(m_userIp.str(), sbIp.str()) && 
             m_Environment != NULL)
          {
            saveEnvironment(&context, &req.getReqInfo(), sbErrMsg);
            unlockEnvironment(&context, &req.getReqInfo(), "", sbErrMsg);
            if (sbErrMsg.length())
            {
              resp.setXmlArgs(sbErrMsg.str());
              return true;
            }

            StringBuffer tmp;
            m_lastSaved.getString(tmp);
            resp.setLastSaved(tmp.str());
            resp.setComponent("WsDeploy");
            resp.setCommand ("SaveEnvironmentAs");
          }
          else if (m_userWithLock.length() == 0 && m_userIp.length() == 0)
          {
            saveEnvironment(&context, &req.getReqInfo(), sbErrMsg, true);

            if (sbErrMsg.length())
              resp.setXmlArgs(sbErrMsg.str());

            StringBuffer tmp;
            m_lastSaved.getString(tmp);
            resp.setLastSaved(tmp.str());
            resp.setComponent("WsDeploy");
            resp.setCommand("SaveEnvironmentAs");
          }
        }
        else
        {
          CWsDeployFileInfo* fi = m_pService->getFileInfo(envSaveAs, true);
          StringBuffer sbUser, sbIp, sbXml, sbErrMsg;
          if ((fi->isLocked(sbUser, sbIp) && m_userWithLock.length() != 0 && m_userIp.length() != 0 &&
               !strcmp(m_userWithLock.str(), sbUser.str()) && !strcmp(m_userIp.str(), sbIp.str())) ||
               (!fi->isLocked(sbUser, sbIp) && m_userWithLock.length() != 0 && m_userIp.length() != 0))
            toXML(&m_Environment->getPTree(), sbXml);
          else
            toXML(&m_constEnvRdOnly->getPTree(), sbXml);
        
          if (fi->updateEnvironment(sbXml))
            fi->saveEnvironment(NULL, &req.getReqInfo(), sbErrMsg, true);
          else
            throw MakeStringException(-1, "Environment Save as operation has failed");

          if (m_userWithLock.length() != 0 && m_userIp.length() != 0)
          {
            unlockEnvironment(&context, &req.getReqInfo(), "", sbErrMsg);
            if (sbErrMsg.length())
            {
              resp.setXmlArgs(sbErrMsg.str());
              return true;
            }
          }

          if (sbErrMsg.length())
            resp.setXmlArgs(sbErrMsg.str());

          StringBuffer tmp;
          fi->getLastSaved(tmp);
          resp.setLastSaved(tmp.str());
          resp.setComponent("WsDeploy");
          resp.setCommand("SaveEnvironmentAs");
        }
      }
      else
        throw MakeStringException(-1, "File name to save environment as cannot be empty");
    }
    else if (!stricmp(cmd, "ValidateEnvironment"))
    {
      StringBuffer xml;
      StringBuffer sbUser, sbIp;
      sbUser.clear().append(req.getReqInfo().getUserId());
      context.getPeer(sbIp);
      if (m_userWithLock.length() != 0 && m_userIp.length() != 0 &&
         !strcmp(m_userWithLock.str(), sbUser.str()) && !strcmp(m_userIp.str(), sbIp.str()) && 
         m_Environment != NULL)
      {
        if (m_envFile.length())
          validateEnv((IConstEnvironment*)m_Environment, false);
        
        resp.setComponent( "WsDeploy" );
        resp.setCommand ( "ValidateEnvironment" );
      }
      else
      {
        xml.appendf("The environment has been locked on machine '%s'", m_userIp.str());
        resp.setComponent( "WsDeploy" );
        resp.setCommand ( "SaveEnvironment" );
        resp.setXmlArgs( xml.str() );
      }
    }
    else
    {
      StringBuffer url;
      url.append("/WsDeploy/").append(cmd).append("?form");
      resp.setRedirectUrl(url.str());
    }
    return true;
}//onNavMenuEvent

bool CWsDeployFileInfo::isAlphaNumeric(const char *pstr) const
{
  RegExpr expr("[A-Za-z0-9-_]+");

  return (expr.find(pstr) && expr.findlen(0) == strlen(pstr));
}

bool CWsDeployFileInfo::saveSetting(IEspContext &context, IEspSaveSettingRequest &req, IEspSaveSettingResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* xmlArg = req.getXmlArgs();
  Owned<IPropertyTree> pEnvRoot = &m_Environment->getPTree();
  IPropertyTree* pEnvSoftware = pEnvRoot->queryPropTree(XML_TAG_SOFTWARE);
  IPropertyTree* pEnvHardware = pEnvRoot->queryPropTree(XML_TAG_HARDWARE);

  Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<XmlArgs/>");
  IPropertyTree* pSoftwareFolder = pSrcTree->queryPropTree("Setting[@category='Software']");
  IPropertyTree* pTopologyFolder = pSrcTree->queryPropTree("Setting[@category='Topology']");
  IPropertyTree* pHardwareFolder = pSrcTree->queryPropTree("Setting[@category='Hardware']");
  IPropertyTree* pEnvFolder = pSrcTree->queryPropTree("Setting[@category='Environment']");

  if (pSoftwareFolder)
  {
    Owned<IPropertyTreeIterator> iter = pSrcTree->getElements("Setting[@category='Software']");
    ForEach (*iter)
    {
      IPropertyTree* pSetting = &iter->query();
      StringBuffer decodedParams( pSetting->queryProp("@params") );
      decodedParams.replaceString("::", "\n");

      Owned<IProperties> pParams = createProperties();
      pParams->loadProps(decodedParams.str());

      const char* pszCompType = pParams->queryProp("pcType");
      const char* pszCompName = pParams->queryProp("pcName");
      const char* pszSubType = pParams->queryProp("subType");
      const char* pszSubTypeKey = pParams->queryProp("subTypeKey");
      const char* pszAttrName = pSetting->queryProp("@attrName");
      const char* rowIndex = pSetting->queryProp("@rowIndex");
      const char* pszOldValue = pSetting->queryProp("@oldValue");
      const char* pszNewValue = pSetting->queryProp("@newValue");
      const char* pszOnChange = pSetting->queryProp("@onChange");
      const char* pszViewType = pSetting->queryProp("@viewType");

      StringBuffer xpath;
      xpath.clear().appendf("%s[@name='%s']", pszCompType, pszCompName);

      if (pszSubType && pszSubTypeKey && strlen(pszSubTypeKey) > 0)
      {
        if (pszSubTypeKey[0] == '[' && pszSubTypeKey[strlen(pszSubTypeKey) - 1] == ']')
          xpath.appendf("/%s%s", pszSubType, pszSubTypeKey);
        else
          xpath.appendf("/%s[@name='%s']", pszSubType, pszSubTypeKey);
      }
      else if (!strcmp(pszCompType, "Topology"))
        xpath.appendf("[@name='%s']", pszSubTypeKey);
      else if (pszSubType && strlen(rowIndex) > 0)
        xpath.appendf("/%s[%s]", pszSubType, rowIndex);

      IPropertyTree* pComp = pEnvSoftware->queryPropTree(xpath.str());
      if (!pComp)
      {
        //read any updates to rows that have not been posted to the tree
        const char* pszUpdate = NULL;
        const char* key = NULL;
        int idx = 1;
        StringBuffer sbUpdate;
        StringBuffer xpath2;
        while (true)
        {
          sbUpdate.clear().appendf("Update%dKey", idx);
          key = pParams->queryProp(sbUpdate.str());

          if (!key)
            break;
          else
          {
            sbUpdate.clear().appendf("Update%dValue", idx);
            pszUpdate = pParams->queryProp(sbUpdate.str());
            break;
          }

          idx++;
        }

        xpath2.clear().appendf("*[@name='%s']", pszCompName);
        Owned<IPropertyTreeIterator> iter = pEnvSoftware->getElements(xpath2);

        ForEach (*iter)
        {
          IPropertyTree* pTmpComp = &iter->query();
          const char* pProcessName = pTmpComp->queryName();

          if (pProcessName && !strcmp(pProcessName, pszCompType))
          {
            if (pszSubType && pszSubTypeKey && strlen(pszSubTypeKey) > 0)
            {
              if (pszSubTypeKey[0] == '[' && pszSubTypeKey[strlen(pszSubTypeKey) - 1] == ']')
                xpath2.clear().appendf("%s%s", pszSubType, pszSubTypeKey);
              else
                xpath2.clear().appendf("%s[@name='%s']", pszSubType, pszSubTypeKey);
              pComp = pTmpComp->queryPropTree(xpath2.str());

              if (!pComp)
              {
                if (pszUpdate && pszSubType && key)
                  xpath2.clear().appendf("%s[@%s='%s']", pszSubType, key, pszUpdate);

                pComp = pTmpComp->queryPropTree(xpath2.str());
              }
            }
            else if (pszSubType)
            {
              StringBuffer tmppath;
              tmppath.clear().appendf("%s", pszSubType);
              pComp = pTmpComp->queryPropTree(tmppath.str());

              if (!pComp)
              {
                if (pszUpdate && key)
                {
                  StringBuffer sbtmp(pszSubType);
                  StringBuffer sb;
                  const char* psz = strrchr(pszSubType, '/');
                  const char* ptmp = pszSubType;

                  if (psz)
                    sbtmp.clear().append(psz + 1);

                  psz = sbtmp.str();

                  if (strchr(pszSubType, '[') && strchr(pszSubType, ']'))
                  {
                    char ch;
                    bool copy = true;
                    bool flag = false;
                    while ((ch = *ptmp++) != '\0')
                    {
                      if (ch == '/')
                      {
                        flag = true;
                        break;
                      }
                      else if (ch == '[')
                        copy = false;
                      else if (ch == ']')
                        copy = true;
                      else if (copy)
                        sb.append(ch);
                    }

                    sb.appendf("[@%s='%s']/%s", key, pszUpdate, psz);
                  }

                  xpath2.clear().append(sb);
                }

                pComp = pTmpComp->queryPropTree(xpath2.str());
              }

              if (!pComp)
              {
                if (!strcmp(pszCompName, "Directories"))
                  tmppath.clear().append(pszCompName);
                else
                  tmppath.clear().appendf("%s[@name='%s']", pszCompType, pszCompName);

                IPropertyTree* pTmpComp = pEnvSoftware->queryPropTree(tmppath.str());
                if (!pTmpComp)
                  continue;

                if (!strcmp(pszCompType, XML_TAG_ESPSERVICE) || !strcmp(pszCompType, XML_TAG_PLUGINPROCESS))
                  tmppath.clear().appendf("./Programs/Build/BuildSet[@name=\"%s\"]", pTmpComp->queryProp(XML_ATTR_BUILDSET));
                else
                  tmppath.clear().appendf("./Programs/Build/BuildSet[@processName=\"%s\"]", pszCompType);

                Owned<IPropertyTreeIterator> buildSetIter = pEnvRoot->getElements(tmppath.str());
                buildSetIter->first();
                IPropertyTree* pBuildSet;
                if (buildSetIter->isValid())
                  pBuildSet = &buildSetIter->query();
                else if (!strcmp(pszCompType, "Directories"))
                {      
                  pBuildSet = createPTree(XML_TAG_BUILDSET);
                  pBuildSet->addProp(XML_ATTR_NAME, pszCompName);
                  pBuildSet->addProp(XML_ATTR_SCHEMA, "directories.xsd");
                  pBuildSet->addProp(XML_ATTR_PROCESS_NAME, "Directories");
                }
                const char* buildSetName = pBuildSet->queryProp(XML_ATTR_NAME);
                const char* processName = pBuildSet->queryProp(XML_ATTR_PROCESS_NAME);

                StringBuffer buildSetPath;
                Owned<IPropertyTree> pSchema = loadSchema(pEnvRoot->queryPropTree("./Programs/Build[1]"), pBuildSet, buildSetPath, m_Environment);

                Owned<IPropertyTree> pNewCompTree = generateTreeFromXsd(pEnvRoot, pSchema, processName, buildSetName, m_pService->getCfg(), m_pService->getName());
                StringBuffer sbtmp(pszSubType);
                StringBuffer sb;
                const char* psz = strrchr(pszSubType, '/');

                if (psz)
                  sbtmp.clear().append(psz + 1);

                psz = sbtmp.str();

                if (strchr(psz, '[') && strchr(psz, ']'))
                {
                  char ch;
                  while ((ch = *psz++) != '\0')
                  {
                    if (ch != '[')
                      sb.append(ch);
                    else
                      break;
                  }

                  while ((ch = *psz++) != '\0')
                  {
                    if (ch == ']')
                      break;
                  }
                  
                  sb.append(psz);
                  sbtmp.clear().append(sb);
                }

                Owned<IPropertyTreeIterator> iterElems = pNewCompTree->getElements(sbtmp.str());

                  ForEach (*iterElems)
                  {
                    IPropertyTree* pElem = &iterElems->query();
                
                  if (pElem)
                    pComp = pTmpComp->addPropTree(pszSubType, createPTreeFromIPT(pElem));
                  else
                    pComp = pTmpComp->addPropTree(pszSubType, createPTree());

                  break;
                }

                if (!pComp)
                  pComp = pTmpComp->addPropTree(pszSubType, createPTree());

                if (pComp && !strcmp(pszAttrName, "name"))
                  pComp->setProp(XML_ATTR_NAME, pszNewValue);
              }
            }
            else
              pComp = &iter->query();

            break;
          }

          const char* pBuildSet = pTmpComp->queryProp(XML_ATTR_BUILDSET);
          if (pBuildSet && !strcmp(pBuildSet, pszCompType))
          {
            if (pszSubType && pszSubTypeKey && strlen(pszSubTypeKey) > 0)
            {
              if (pszSubTypeKey[0] == '[' && pszSubTypeKey[strlen(pszSubTypeKey) - 1] == ']')
                xpath2.clear().appendf("%s%s", pszSubType, pszSubTypeKey);
              else
                xpath2.clear().appendf("%s[@name='%s']", pszSubType, pszSubTypeKey);

              pComp = pTmpComp->queryPropTree(xpath2.str());

              if (!pComp)
              {
                if (pszUpdate && pszSubType && key)
                  xpath2.clear().appendf("%s[@%s='%s']", pszSubType, key, pszUpdate);

                pComp = pTmpComp->queryPropTree(xpath2.str());
              }
            }
            else if (pszSubType && strlen(rowIndex) > 0)
            {
              xpath2.clear().appendf("%s[%s]", pszSubType, rowIndex);
              pComp = pTmpComp->queryPropTree(xpath2.str());
            }
            else if (pszSubType)
            {
              xpath2.clear().appendf("%s", pszSubType);
              pComp = pTmpComp->queryPropTree(xpath2.str());
            }
            else
              pComp = &iter->query();

            break;
          }
        }
      }

      if (!pComp)
        throw MakeStringException(-1, "No such component in environment: '%s' named '%s'.", pszCompType, pszCompName);
      else
      {
        if (pszOnChange && !strcmp(pszOnChange, "2"))
        {
          StringBuffer xpathBSet;
          //get the onChange xslt and apply it.
          if (!strcmp(pszCompType, XML_TAG_ESPSERVICE) || !strcmp(pszCompType, XML_TAG_PLUGINPROCESS))
            xpathBSet.clear().appendf("./Programs/Build/BuildSet[@name=\"%s\"]", pComp->queryProp(XML_ATTR_BUILDSET));
          else
            xpathBSet.clear().appendf("./Programs/Build/BuildSet[@processName=\"%s\"]", pszCompType);

          Owned<IPropertyTreeIterator> buildSetIter = pEnvRoot->getElements(xpathBSet.str());
          buildSetIter->first();
          IPropertyTree* pBuildSet;
          
          if (!buildSetIter->isValid())
          {
            xpathBSet.clear().appendf("./Programs/Build/BuildSet[@name=\"%s\"]", pszCompType);
            buildSetIter.setown(pEnvRoot->getElements(xpathBSet.str()));
            buildSetIter->first();
          }
          
          if (buildSetIter->isValid())
          {
            pBuildSet = &buildSetIter->query();

            const char* buildSetName = pBuildSet->queryProp(XML_ATTR_NAME);
            const char* processName = pBuildSet->queryProp(XML_ATTR_PROCESS_NAME);

            StringBuffer buildSetPath;
            Owned<IPropertyTree> pSchema = loadSchema(pEnvRoot->queryPropTree("./Programs/Build[1]"), pBuildSet, buildSetPath, m_Environment);

            StringBuffer xpathOnChg;
            xpathOnChg.append(".//xs:attribute[@name=\"").append(pszAttrName).append("\"]//onchange");
            IPropertyTree* pAttr = pSchema->queryPropTree(xpathOnChg.str());
            xpathOnChg.clear().append(".//onchange");
            IPropertyTree* pOnChange = pAttr? pAttr->queryPropTree(xpathOnChg.str()) : NULL;

            if (pAttr)
            {
              const char* onChangeXslt = pAttr->queryProp("xslt");
              if (onChangeXslt && *onChangeXslt)
              {
                StringBuffer sbAttrName("@");
                sbAttrName.append(pszAttrName);
                pComp->setProp(sbAttrName.str(), pszNewValue);
                    if (onChangeAttribute(pEnvRoot, m_Environment, pszAttrName, pAttr, pComp, pComp /*TBD Calc parent nodeGetParentNode()*/, 0, pszNewValue, pszOldValue, pszCompType))
                {
                  bool bRefresh = pAttr->getPropBool("refresh", true);
                  if (bRefresh)
                  {
                    resp.setRefresh("true");
                    resp.setUpdateValue(pszNewValue);
                    return true;
                  }
                }
                else
                {
                  pComp->setProp(sbAttrName.str(), pszOldValue);
                  resp.setUpdateValue(pszOldValue);
                  return true;
                }
              }
            }
          }
        }

        //perform checks
        if (!strcmp(pszAttrName, "name"))
        {
          ensureUniqueName(pEnvRoot, pComp, pszNewValue);

          if (isAlphaNumeric(pszNewValue) == false)
          {
            throw MakeStringException(-1, "Invalid Character in name '%s'.", pszNewValue);
          }
        }

        //Store prev settings for use further down for esp service bindings
        const char* sPrevDefaultPort = NULL;
        const char* sPrevPort = NULL;
        const char* sPrevResBasedn = NULL;
        const char* sPrevDefaultSecurePort = NULL;
        const char* sPrevDefaultResBasedn = NULL;

        if (pszSubType && !strcmp(pszSubType, XML_TAG_ESPBINDING) && 
          (!strcmp(pszAttrName, "service") || !strcmp(pszAttrName, "protocol")))
        {
          const char* szServiceName = xpath.clear().append("Software/EspService[@name=\"");
          xpath.append(pComp->queryProp(XML_ATTR_SERVICE));
          xpath.append("\"]/Properties");
          IPropertyTree* pPrevSvcProps = pEnvRoot->queryPropTree(xpath);

          if (pPrevSvcProps)
          {
            sPrevDefaultPort = pPrevSvcProps->queryProp("@defaultPort");
            sPrevDefaultSecurePort= pPrevSvcProps->queryProp("@defaultSecurePort");
            sPrevDefaultResBasedn = pPrevSvcProps->queryProp("@defaultResourcesBasedn");
          }

          sPrevPort      = pComp->queryProp("@port");
          sPrevResBasedn = pComp->queryProp("@resourcesBasedn");
        }

        bool isSet = false;
        if (pszSubType && strstr(pszSubType, "Notes") == pszSubType && !strcmp(pszAttrName, "Note"))
        {
          pComp->setProp(".", pszNewValue);
          isSet = true;
        }
        else if (pszCompType && !strcmp(pszCompType, XML_TAG_ESPPROCESS))
        {
          String strXPath(xpath);
          if (strXPath.indexOf("CSR") != -1 || strXPath.indexOf("Certificate") != -1 || strXPath.indexOf("PrivateKey") != -1)
          {
            StringBuffer sbNewVal(pszNewValue);
            pEnvSoftware->setProp(xpath, sbNewVal.str());
            isSet = true;
          }
        }

        StringBuffer encryptedText;
        
        if (!isSet)
        {
          xpath.clear().appendf("@%s", pszAttrName);

          if (pszViewType && *pszViewType && !strcmp(pszViewType, "password"))
          {
            encrypt(encryptedText, pszNewValue);
            pszNewValue = encryptedText.str();
          }

          pComp->setProp(xpath, pszNewValue);
        }
        
        resp.setUpdateValue(pszNewValue);

        if (!strcmp(pszAttrName, "name"))
        {
          if (!pszSubType || !*pszSubType)
          {
            StringBuffer rundir;

            if (!getConfigurationDirectory(pEnvRoot->queryPropTree("Software/Directories"), "run", pszCompType, pszNewValue, rundir))
              rundir.clear().appendf(RUNTIME_DIR"/%s", pszNewValue);

            Owned<IPropertyTreeIterator> iterInsts = pComp->getElements(XML_TAG_INSTANCE);

            ForEach (*iterInsts)
              iterInsts->query().setProp(XML_ATTR_DIRECTORY, rundir.str());

            if (!strcmp(pszCompType, XML_TAG_ROXIECLUSTER))
              pComp->setProp(XML_ATTR_DIRECTORY, rundir);
          }

          StringBuffer sbold, sbnew, sbMsg;
          bool ret = false;
          if (pszSubType && !strcmp(pszSubType, "EspBinding"))
            {
            sbold.append(pszCompName).append('/').append(pszOldValue);
            sbnew.append(pszCompName).append('/').append(pszNewValue);
            ret = checkComponentReferences(pEnvRoot, pComp, sbold.str(), sbMsg, sbnew.str());
          }
          else
            ret = checkComponentReferences(pEnvRoot, pComp, pszOldValue, sbMsg, pszNewValue);

          if (ret)
            resp.setRefresh("true");
        }

        if (pszCompType && *pszCompType && pszSubType && *pszSubType &&
            !strcmp(pszCompType, XML_TAG_ROXIECLUSTER) && !strcmp(pszSubType, XML_TAG_ROXIE_FARM)
            && pszAttrName && *pszAttrName)
        {
          Owned<IPropertyTreeIterator> iter = pComp->getElements(XML_TAG_ROXIE_SERVER);
          ForEach (*iter)
          {
            IPropertyTree* pSrv = &iter->query();

            const char* pszName = pSrv->queryProp(XML_ATTR_NAME);
            xpath.clear().appendf(XML_TAG_ROXIECLUSTER"[@name='%s']/"XML_TAG_ROXIE_SERVER"[@name='%s']/", pszCompName, pszName);
          
            IPropertyTree* pServer = pEnvSoftware->queryPropTree(xpath.str());
            if (pServer)
            {
              StringBuffer sbattr("@");
              sbattr.append(pszAttrName);
              pServer->setProp(sbattr.str(), pszNewValue);
            }
          }
        }

        //if dataDirectory for a roxie farm is being changed, also change baseDataDir for roxie
        if(!strcmp(pszCompType, "Directories") && !strcmp(pszSubType, "Category"))
        {
          StringBuffer sbNewValue;
          bool bdata = strstr(pszSubTypeKey, "[@name='data']") || strstr(pszSubTypeKey, "[@name=\"data\"]");\
          bool bdata2 = strstr(pszSubTypeKey, "[@name='data2']") || strstr(pszSubTypeKey, "[@name=\"data2\"]");
          bool bdata3 = strstr(pszSubTypeKey, "[@name='data3']") || strstr(pszSubTypeKey, "[@name=\"data3\"]");

          if (bdata || bdata2 || bdata3)
          {
            Owned<IPropertyTreeIterator> iterRoxies = pEnvSoftware->getElements("RoxieCluster");
            ForEach (*iterRoxies)
            {
              IPropertyTree* pRoxie = &iterRoxies->query();

              if (bdata)
              {
                getCommonDir(pEnvRoot, "data", "roxie", pRoxie->queryProp(XML_ATTR_NAME), sbNewValue.clear());
                pRoxie->setProp("@baseDataDir", sbNewValue.str());

                //change all farms
                Owned<IPropertyTreeIterator> iterFarms = pRoxie->getElements(XML_TAG_ROXIE_FARM);
                ForEach (*iterFarms)
                {
                  IPropertyTree* pTmpComp = &iterFarms->query();
                  if (strcmp(pTmpComp->queryProp(XML_ATTR_DATADIRECTORY), sbNewValue.str()))
                    pTmpComp->setProp(XML_ATTR_DATADIRECTORY, sbNewValue.str());
                }

                //change all legacy Roxie servers
                Owned<IPropertyTreeIterator> iterRoxieServers = pRoxie->getElements(XML_TAG_ROXIE_SERVER);

                ForEach (*iterRoxieServers)
                {
                  IPropertyTree* pTmpComp = &iterRoxieServers->query();
                  if (strcmp(pTmpComp->queryProp(XML_ATTR_DATADIRECTORY), sbNewValue.str()))
                    pTmpComp->setProp(XML_ATTR_DATADIRECTORY, sbNewValue.str());
                }

                //also change roxie slave primary data directory for all RoxieSlave and RoxieSlaveProcess
                Owned<IPropertyTreeIterator> iterSlvs = pRoxie->getElements(XML_TAG_ROXIE_ONLY_SLAVE);

                ForEach (*iterSlvs)
                {
                  IPropertyTree* pTmpComp = &iterSlvs->query();
                  const char* pRoxieComputer = pTmpComp->queryProp(XML_ATTR_COMPUTER);
                  IPropertyTree* pChannel = pTmpComp->queryPropTree(XML_TAG_ROXIE_CHANNEL"[1]");
                  if (pChannel)
                  {
                    pChannel->setProp(XML_ATTR_DATADIRECTORY, sbNewValue.str());
                    const char* number = pChannel->queryProp("@number");
                    xpath.clear().appendf(XML_TAG_ROXIE_SLAVE"[@channel='%s'][@computer='%s']", number, pRoxieComputer);
                    
                    IPropertyTree* pSlvProc = pRoxie->queryPropTree(xpath.str());
                    if (pSlvProc)
                      pSlvProc->setProp(XML_ATTR_DATADIRECTORY, sbNewValue.str());
                  }
                }
              }
              else if (bdata2 || bdata3)
              {
                getCommonDir(pEnvRoot, bdata2 ? "data2" : "data3" , "roxie", pRoxie->queryProp(XML_ATTR_NAME), sbNewValue.clear());
                Owned<IPropertyTreeIterator> iterSlvs = pRoxie->getElements(XML_TAG_ROXIE_ONLY_SLAVE);
                StringBuffer sb(XML_TAG_ROXIE_CHANNEL);
                sb.appendf("%s", bdata2?"[2]":"[3]");

                ForEach (*iterSlvs)
                {
                  IPropertyTree* pTmpComp = &iterSlvs->query();
                  const char* pRoxieComputer = pTmpComp->queryProp(XML_ATTR_COMPUTER);
                  IPropertyTree* pChannel = pTmpComp->queryPropTree(sb.str());
                  if (pChannel)
                  {
                    pChannel->setProp(XML_ATTR_DATADIRECTORY, sbNewValue.str());
                    const char* number = pChannel->queryProp("@number");
                    xpath.clear().appendf(XML_TAG_ROXIE_SLAVE"[@channel='%s'][@computer='%s']", number, pRoxieComputer);
                    
                    IPropertyTree* pSlvProc = pRoxie->queryPropTree(xpath.str());
                    if (pSlvProc)
                      pSlvProc->setProp(XML_ATTR_DATADIRECTORY, sbNewValue.str());
                  }
                }
              }
            }
          }
        }

        //if we are changing the eclServer field of wsattributes, set the following 
        //extra params from that eclserver. dbPassword, dbUser, mySQL, repository
        if (!strcmp(pszCompType, "WsAttributes") && !strcmp(pszAttrName, "eclServer"))
        {
          xpath.clear().appendf("Software/EclServerProcess[@name='%s']", pszNewValue);
          IPropertyTree* pEclServer = pEnvRoot->queryPropTree(xpath.str());
          if (pEclServer)
          {
            pComp->setProp("@dbPassword", pEclServer->queryProp("@dbPassword"));
            pComp->setProp("@dbUser", pEclServer->queryProp("@dbUser"));
            pComp->setProp("@mySQL", pEclServer->queryProp("@MySQL"));
            pComp->setProp("@repository", pEclServer->queryProp("@repository"));
          }
        }
        else if (!strcmp(pszCompType, "EclServerProcess") && (!strcmp(pszAttrName, "dbPassword") ||
            !strcmp(pszAttrName, "dbUser") || !strcmp(pszAttrName, "MySQL") ||
            !strcmp(pszAttrName, "repository")))
        {
          xpath.clear().append("Software/EspService[@buildSet='WsAttributes']");
          Owned<IPropertyTreeIterator> pWsAttrsIter = pEnvRoot->getElements(xpath.str());

          ForEach(*pWsAttrsIter)
          {
            IPropertyTree* wsAttr = &pWsAttrsIter->query();
            if (!strcmp(wsAttr->queryProp("@eclServer"), pszCompName))
            {
              wsAttr->setProp("@dbPassword", pComp->queryProp("@dbPassword"));
              wsAttr->setProp("@dbUser", pComp->queryProp("@dbUser"));
              wsAttr->setProp("@mySQL", pComp->queryProp("@MySQL"));
              wsAttr->setProp("@repository", pComp->queryProp("@repository"));
            }
          }
        }

        if (pszSubType && !strcmp(pszSubType, XML_TAG_INSTANCE) && !strcmp(pszAttrName, TAG_COMPUTER))
        {
          xpath.clear().appendf("Hardware/Computer[@name='%s']", pszNewValue);
          IPropertyTree* pEnvComputer = pEnvRoot->queryPropTree(xpath);

          if (pEnvComputer)
          {
            const char* pszNetAddr = pEnvComputer->queryProp(XML_ATTR_NETADDRESS);
            if (pszNetAddr)
            {
              StringBuffer prevValue;
              pComp->getProp(XML_ATTR_NETADDRESS, prevValue);
              resp.setPrevValue(prevValue.str());
              pComp->setProp(XML_ATTR_NETADDRESS, pszNetAddr);
              resp.setUpdateValue(pszNetAddr);
              resp.setUpdateAttr("netAddress");
            }

            const char* name = pComp->queryProp(XML_ATTR_NAME);
            if (!name || !*name)
            {
              pComp->setProp(XML_ATTR_NAME, "s1");
              StringBuffer sb;
              StringBuffer rundir;
              if (!getConfigurationDirectory(pEnvRoot->queryPropTree("Software/Directories"), "run", pszCompType, pszCompName, rundir))
                sb.clear().appendf(RUNTIME_DIR"/%s", pszCompName);
              else
                sb.clear().append(rundir);

              pComp->setProp(XML_ATTR_DIRECTORY, sb.str());
            }
          }
        }

        if (pszSubType && !strcmp(pszSubType, XML_TAG_ESPBINDING) && 
          (!strcmp(pszAttrName, "service") || !strcmp(pszAttrName, "protocol")))
        {
          bool bEspServiceChanged = !strcmp(pszAttrName, "service");
          const char* szSrvName = pComp->queryProp(XML_ATTR_SERVICE);
          xpath.clear().append("Software/EspService[@name=\"");
          xpath.append(bEspServiceChanged ? pszNewValue : szSrvName ? szSrvName : "");
          xpath.append("\"]/Properties");
          IPropertyTree* pSvcProps = pEnvRoot->queryPropTree(xpath.str());

          if (bEspServiceChanged)
          {
            IPropertyTree* pChild;
            while ((pChild = pComp->queryPropTree("Authenticate[1]")) != NULL)
              if (pChild)
                pComp->removeTree( pChild );

            while ((pChild = pComp->queryPropTree("AuthenticateFeature[1]")) != NULL)
              if (pChild)
                pComp->removeTree( pChild );

            while ((pChild = pComp->queryPropTree("AuthenticateSetting[1]")) != NULL)
              if (pChild)
                pComp->removeTree( pChild );
          }

          if (pSvcProps)
          {
            if (bEspServiceChanged)
            {
              xpath.clear().append("./Programs/Build/BuildSet[@processName=\"EspProcess\"]");
              Owned<IPropertyTreeIterator> buildSetIter = pEnvRoot->getElements(xpath.str());
              buildSetIter->first();
              IPropertyTree* pBuildSet = &buildSetIter->query();
              const char* buildSetName = pBuildSet->queryProp(XML_ATTR_NAME);
              const char* processName = pBuildSet->queryProp(XML_ATTR_PROCESS_NAME);
              StringBuffer buildSetPath;
              Owned<IPropertyTree> pSchema = loadSchema(pEnvRoot->queryPropTree("./Programs/Build[1]"), pBuildSet, buildSetPath, m_Environment);
              Owned<IPropertyTree> pCompTree = generateTreeFromXsd(pEnvRoot, pSchema, processName, buildSetName, m_pService->getCfg(), m_pService->getName());

              Owned<IPropertyTreeIterator> i = pSvcProps->getElements("Authenticate");
              ForEach(*i)
              {
                IPropertyTree* pAuthCopy = createPTreeFromIPT(&i->query());
                mergeAttributes(pAuthCopy, pCompTree->queryPropTree("Authenticate"));
                IPropertyTree* pNewNode = pComp->addPropTree("Authenticate", pAuthCopy);
              }

              i.setown( pSvcProps->getElements("AuthenticateFeature") );
              ForEach(*i)
              {
                IPropertyTree* pAuthCopy = createPTreeFromIPT(&i->query());
                mergeAttributes(pAuthCopy, pCompTree->queryPropTree("AuthenticateFeature"));
                IPropertyTree* pNewNode = pComp->addPropTree("AuthenticateFeature", pAuthCopy);
              }
              i.setown( pSvcProps->getElements("AuthenticateSetting") );
              ForEach(*i)
              {
                IPropertyTree* pAuthCopy = createPTreeFromIPT(&i->query());
                mergeAttributes(pAuthCopy, pCompTree->queryPropTree("AuthenticateSetting"));
                IPropertyTree* pNewNode = pComp->addPropTree("AuthenticateSetting", pAuthCopy);
              }
            }

            const char* szProtocol = pComp->queryProp("@protocol");
            bool   bHttps = szProtocol && !strcmp(szProtocol, "https");
            const char* szDefaultPort = pSvcProps->queryProp(bHttps  ? "@defaultSecurePort" : "@defaultPort");
            if (!bEspServiceChanged)//@protocol was just changed so use last one
              bHttps = !bHttps;
            const char* szPrevDefaultPort = bHttps ? sPrevDefaultSecurePort : sPrevDefaultPort;
            if (szDefaultPort && 
              ((!sPrevPort || (sPrevPort && !*sPrevPort)) || (szPrevDefaultPort && !strcmp(sPrevPort, szPrevDefaultPort))))
              pComp->setProp(XML_ATTR_PORT, szDefaultPort);

            if (bEspServiceChanged)
            {
              const char* szDefault = pSvcProps->queryProp("@defaultResourcesBasedn");

              if (szDefault && 
                ((!sPrevResBasedn || (sPrevResBasedn && !*sPrevResBasedn )) || (sPrevDefaultResBasedn && !strcmp(sPrevResBasedn, sPrevDefaultResBasedn))))
                pComp->setProp("@resourcesBasedn", szDefault);
            }
          }

          resp.setRefresh("true");
        }
      }

      resp.setIsSaved("true");
    }
  }
  else if (pTopologyFolder)
  {
    Owned<IPropertyTreeIterator> iter = pSrcTree->getElements("Setting[@category='Topology']");
    ForEach (*iter)
    {
      IPropertyTree* pSetting = &iter->query();
      StringBuffer decodedParams( pSetting->queryProp("@params") );
      decodedParams.replaceString("::", "\n");

      Owned<IProperties> pParams = createProperties();
      pParams->loadProps(decodedParams.str());

      const char* pszCompType = pParams->queryProp("pcType");
      const char* pszCompName = pParams->queryProp("pcName");
      const char* pszSubType = pParams->queryProp("subType");
      const char* pszSubTypeKey = pParams->queryProp("subTypeKey");
      const char* pszAttrName = pSetting->queryProp("@attrName");
      const char* rowIndex = pSetting->queryProp("@rowIndex");
      const char* pszOldValue = pSetting->queryProp("@oldValue");
      const char* pszNewValue = pSetting->queryProp("@newValue");
            
      StringBuffer xpath_key;

      if (strcmp(pszAttrName,TAG_NAME) == 0)
      {
         xpath_key.appendf("%s/%s/%s[%s='%s']", XML_TAG_SOFTWARE, XML_TAG_TOPOLOGY, XML_TAG_CLUSTER, XML_ATTR_NAME, pszNewValue);

        //Check to see if the cluster name is already in use
        IPropertyTree* pEnvCluster = pEnvRoot->queryPropTree(xpath_key);
        if (pEnvCluster != NULL)
          throw MakeStringException(-1, "Cluster - %s is already in use. Please enter a unique name for the Cluster.", pszNewValue);      
      }

      StringBuffer buf("Topology");

      for (int i = 3; i >= 0; i--)
      {
        StringBuffer sb;
        sb.appendf("inner%d_name", i);
        const char* sbName = pParams->queryProp(sb.str());

        if (sbName)
        {
          if (strstr(sbName, "EclCCServerProcess") == sbName ||
              strstr(sbName, "EclServerProcess") == sbName ||
              strstr(sbName, "EclAgentProcess") == sbName ||
              strstr(sbName, "EclSchedulerProcess") == sbName)
          {
            StringBuffer sbEcl(sbName);
            if (strstr(sbName, " - "))
              sbEcl.replaceString(" - ", "[@process='").append("']");
            else if (strstr(sbName, " -"))
              sbEcl.replaceString(" -", "[@process='").append("']");
            buf.append("/").append(sbEcl);
          }
          else if (strstr(sbName, "Cluster") == sbName)
          {
            StringBuffer sbCl(sbName);
            if (strstr(sbName, " - "))
              sbCl.replaceString(" - ", "[@name='").append("']");
            else if (strstr(sbName, " -"))
              sbCl.replaceString(" -", "[@name='").append("']");
            buf.append("/").append(sbCl);
          }
          else if (strstr(sbName, XML_TAG_THORCLUSTER) == sbName)
            buf.append("/ThorCluster");
          else if (strstr(sbName, XML_TAG_ROXIECLUSTER) == sbName)
            buf.append("/RoxieCluster");
          else if (buf.str()[buf.length() - 1] != ']')
            buf.appendf("[@%s='%s']", sbName, pParams->queryProp(sb.replaceString("_name", "_value").str()));
        }
      }

      StringBuffer xpath;
      xpath.appendf("%s[@name='%s']", pszCompType, pszCompName);

      IPropertyTree* pComp = pEnvSoftware->queryPropTree(buf.str());
      if (!pComp)
      {
        xpath.clear().appendf("*[@name='%s']", pszCompName);
        Owned<IPropertyTreeIterator> iter = pEnvSoftware->getElements(xpath);

        ForEach (*iter)
        {
          IPropertyTree* pTmpComp = &iter->query();
          const char* pBldSet = pTmpComp->queryProp(XML_ATTR_BUILDSET);

          if (pBldSet && !strcmp(pBldSet, pszCompType))
          {
            pComp = &iter->query();
            break;
          }
        }
      }

      if (!pComp)
        throw MakeStringException(-1, "No such component in environment: '%s' named '%s'.", pszCompType, pszCompName);
      else
      {
        xpath.clear().appendf("@%s", pszAttrName);
        pComp->setProp(xpath, pszNewValue);
        resp.setUpdateValue(pszNewValue);

        if (pszSubType && !strcmp(pszSubType, XML_TAG_INSTANCE) && !strcmp(pszAttrName, TAG_COMPUTER))
        {
          xpath.clear().appendf("Hardware/Computer[@name='%s']", pszNewValue);
          IPropertyTree* pEnvComputer = pEnvRoot->queryPropTree(xpath);

          if (pEnvComputer)
          {
            const char* pszNetAddr = pEnvComputer->queryProp(XML_ATTR_NETADDRESS);
            if (pszNetAddr)
              pComp->setProp(XML_ATTR_NETADDRESS, pszNetAddr);
          }
        }
      }

      resp.setIsSaved("true");
    }
  }
  else if (pHardwareFolder)
  {
    Owned<IPropertyTreeIterator> iter = pSrcTree->getElements("Setting[@category='Hardware']");
    ForEach (*iter)
    {
      IPropertyTree* pSetting = &iter->query();
      StringBuffer decodedParams( pSetting->queryProp("@params") );
      decodedParams.replaceString("::", "\n");

      Owned<IProperties> pParams = createProperties();
      pParams->loadProps(decodedParams.str());

      const char* pszCompType = pParams->queryProp("pcType");
      const char* pszCompName = pParams->queryProp("pcName");
      const char* pszSubType = pParams->queryProp("subType");
      const char* pszSubTypeKey = pParams->queryProp("subTypeKey");
      const char* pszAttrName = pSetting->queryProp("@attrName");
      const char* rowIndex = pSetting->queryProp("@rowIndex");
      const char* pszOldValue = pSetting->queryProp("@oldValue");
      const char* pszNewValue = pSetting->queryProp("@newValue");

      //read anyupdates to rows that have not been updated
      const char* pszUpdate = NULL;
      int idx = 1;
      StringBuffer sbUpdate;
      while (true)
      {
        sbUpdate.clear().appendf("Update%dKey", idx);
        const char* key = pParams->queryProp(sbUpdate.str());

        if (!key)
          break;
        else if (!strcmp(key, "name") || !strcmp(key, "Name"))
        {
          sbUpdate.clear().appendf("Update%dValue", idx);
          pszUpdate = pParams->queryProp(sbUpdate.str());
          break;
        }

        idx++;
      }

      StringBuffer xpath;
      if (pszSubType && pszSubTypeKey && strlen(pszSubTypeKey) > 0/* && !strcmp(pszSubType, "Instance")*/)
      {
        if (pszSubTypeKey[0] == '[' && pszSubTypeKey[strlen(pszSubTypeKey) - 1] == ']')
          xpath.appendf("%s%s", pszSubType, pszSubTypeKey);
        else
          xpath.clear().appendf("%s[@name='%s']", pszSubType, pszSubTypeKey);
      }
      else if (pszSubType && strlen(rowIndex) > 0/* && !strcmp(pszSubType, "Instance")*/)
        xpath.clear().appendf("%s[%s]", pszSubType, rowIndex);

      IPropertyTree* pComp = pEnvHardware->queryPropTree(xpath.str());
      if (!pComp)
      {
        //check for any updates first
        if (pszUpdate && pszSubType)
          xpath.clear().appendf("%s[@name='%s']", pszSubType, pszUpdate);

        pComp = pEnvHardware->queryPropTree(xpath.str());
        
        if (!pComp)
        {
          xpath.clear().appendf("*[@name='%s']", pszCompName);
          Owned<IPropertyTreeIterator> iter = pEnvHardware->getElements(xpath);

          ForEach (*iter)
          {
            IPropertyTree* pTmpComp = &iter->query();
            const char* pBldSet = pTmpComp->queryProp(XML_ATTR_BUILDSET);

            if (pBldSet && !strcmp(pBldSet, pszCompType))
            {
              pComp = &iter->query();
              break;
            }
          }
        }
      }

      if (!pComp)
        throw MakeStringException(-1, "No such component in environment: '%s' named '%s'.", pszCompType, pszCompName);
      else
      {
        if (!strcmp(pszAttrName, "name"))
        {
          xpath.clear().appendf("%s["XML_ATTR_NAME"='%s']", pszSubType, pszNewValue);

          if (pEnvHardware->queryPropTree(xpath.str()))
            throw MakeStringException(-1, "Another item exists with the same name '%s'!  Please specify a unique name.", pszNewValue);
        }

        xpath.clear().appendf("@%s", pszAttrName);
        String strAttrName(pszAttrName);
        StringBuffer encryptedText;
        if (strAttrName.toLowerCase()->endsWith("password"))
        {
          encrypt(encryptedText, pszNewValue);
          pszNewValue = encryptedText.str();
        }

        if (m_bCloud && !strcmp(pszAttrName, "netAddress"))
        {
          StringBuffer sb, sbMsg;
          {
            sb.clear().appendf("<Computers><Computer netAddress='%s'/></Computers>", pszNewValue);
            Owned<IPropertyTree> pComputer = createPTreeFromXMLString(sb.str());
            CCloudActionHandler lockCloud(this, CLOUD_LOCK_ENV, CLOUD_NONE, m_userWithLock.str(), "8015", pComputer);
            bool ret = lockCloud.start(sbMsg.clear());
            if (!ret || sbMsg.length())
              throw MakeStringException(-1, "Cannot set netAddress as environment lock could not be obtained. Reason(s):\n%s", sbMsg.str());
          }

          if (pszOldValue && *pszOldValue)
          {
            sb.clear().appendf("<Computers><Computer netAddress='%s'/></Computers>", pszOldValue);
            Owned<IPropertyTree> pComputer = createPTreeFromXMLString(sb.str());
            CCloudActionHandler unlockCloud(this, CLOUD_UNLOCK_ENV, CLOUD_NONE, m_userWithLock.str(), "8015", pComputer);
            bool ret = unlockCloud.start(sbMsg.clear());
            if (!ret || sbMsg.length())
            {
              //Unlock the new node.
              {
                sb.clear().appendf("<Computers><Computer netAddress='%s'/></Computers>", pszNewValue);
                Owned<IPropertyTree> pComputer = createPTreeFromXMLString(sb.str());
                CCloudActionHandler unlockPrevCloud(this, CLOUD_UNLOCK_ENV, CLOUD_NONE, m_userWithLock.str(), "8015", pComputer);
                ret = unlockPrevCloud.start(sbMsg.clear());
              }

              throw MakeStringException(-1, "Cannot set netAddress as some targets could not be unlocked. Reason(s):\n%s", sbMsg.str());
            }
          }
        }

        pComp->setProp(xpath, pszNewValue);
        resp.setUpdateValue(pszNewValue);

        //update references
        if (!strcmp(pszAttrName, "name"))
        {
          if (!strcmp(pszSubType, XML_TAG_COMPUTER))
          {
            UpdateRefAttributes(pEnvRoot, XML_TAG_SOFTWARE"//*", XML_ATTR_COMPUTER, pszOldValue, pszNewValue);
            UpdateRefAttributes(pEnvRoot, XML_TAG_SOFTWARE"/"XML_TAG_DALISERVERPROCESS, XML_ATTR_BACKUPCOMPUTER, pszOldValue, pszNewValue);
          }
          else if (!strcmp(pszSubType, XML_TAG_DOMAIN))
            UpdateRefAttributes(pEnvRoot, XML_TAG_HARDWARE"/"XML_TAG_COMPUTER, XML_ATTR_DOMAIN, pszOldValue, pszNewValue);
          else if (!strcmp(pszSubType, XML_TAG_SWITCH))
            UpdateRefAttributes(pEnvRoot, XML_TAG_HARDWARE"/"XML_TAG_COMPUTER, XML_ATTR_SWITCH, pszOldValue, pszNewValue);
          else if (!strcmp(pszSubType, XML_TAG_COMPUTERTYPE))
            UpdateRefAttributes(pEnvRoot, XML_TAG_HARDWARE"/"XML_TAG_COMPUTER, XML_ATTR_COMPUTERTYPE, pszOldValue, pszNewValue);
        }
        else if (!strcmp(pszAttrName, "netAddress"))
        {
          Owned<IPropertyTreeIterator> iter = pEnvRoot->getElements(XML_TAG_SOFTWARE"//*");
          for (iter->first(); iter->isValid(); iter->next())
          {
            IPropertyTree& node = iter->query();
            const char* szVal = node.queryProp(XML_ATTR_COMPUTER);
            const char* szComputer = pComp->queryProp(XML_ATTR_NAME);
            if (szVal && strcmp(szVal, szComputer)==0)
            {
              if (node.hasProp(XML_ATTR_NETADDRESS))
                node.setProp(XML_ATTR_NETADDRESS, pszNewValue);      
            }
          }
        }

        if (pszSubType && !strcmp(pszSubType, XML_TAG_INSTANCE) && !strcmp(pszAttrName, TAG_COMPUTER))
        {
          xpath.clear().appendf("Hardware/Computer[@name='%s']", pszNewValue);
          IPropertyTree* pEnvComputer = pEnvRoot->queryPropTree(xpath);

          if (pEnvComputer)
          {
            const char* pszNetAddr = pEnvComputer->queryProp(XML_ATTR_NETADDRESS);
            if (pszNetAddr)
              pComp->setProp(XML_ATTR_NETADDRESS, pszNetAddr);
          }
        }
      }

      resp.setIsSaved("true");
    }
  }
  else if (pEnvFolder)
  {
    Owned<IPropertyTreeIterator> iter = pSrcTree->getElements("Setting[@category='Environment']");
    ForEach (*iter)
    {
      IPropertyTree* pSetting = &iter->query();
      StringBuffer decodedParams( pSetting->queryProp("@params") );
      decodedParams.replaceString("::", "\n");

      Owned<IProperties> pParams = createProperties();
      pParams->loadProps(decodedParams.str());

      const char* pszAttrName = pSetting->queryProp("@attrName");
      const char* pszOldValue = pSetting->queryProp("@oldValue");
      const char* pszNewValue = pSetting->queryProp("@newValue");

      StringBuffer xpath;
      const char* pszUpdate = NULL;
      int idx = 1;
      StringBuffer sbUpdate;
      while (true)
      {
        sbUpdate.clear().appendf("Update%dKey", idx);
        const char* key = pParams->queryProp(sbUpdate.str());

        if (!key)
          break;
        else if (!strcmp(key, "name") || !strcmp(key, "Name"))
        {
          sbUpdate.clear().appendf("Update%dValue", idx);
          pszUpdate = pParams->queryProp(sbUpdate.str());
          break;
        }

        idx++;
      }

      const char* pszParams = NULL;
      idx = 2;
      StringBuffer sbParams;
      StringBuffer sb;
      bool flag = false;
      const char* isAttr = pParams->queryProp("isAttr");

      while (true)
      {
        sbParams.clear().appendf("parentParams%d", idx);
        const char* val = pParams->queryProp(sbParams.str());

        if (!val || !*val)
        {
          if (!flag)
            flag = true;
          else
          {
            if (pszUpdate)
            {
              sbParams.clear().appendf("parentParams%d", idx-2);
              const char* val = pParams->queryProp(sbParams.str());
              String st(val);
              if (st.indexOf("pcName=") != -1)
                sbParams.clear().append("[@name='").append(*st.substring(st.indexOf("pcName=") + 7)).append("']");
              
              String str(xpath.str());
              sb.clear().append(*str.substring(0, str.indexOf(sbParams.str())));
              sb.appendf("[@name='%s']", pszUpdate);
              xpath.clear().append(sb.str());
            }

            break;
          }

          idx++;
          continue;
        }
        else 
        {
          flag = false;
          sb.clear();
          StringBuffer params(val);
          params.replaceString(":", "\n");
          Owned<IProperties> pSubParams = createProperties();
          pSubParams->loadProps(params.str());
          sb.append(pSubParams->queryProp("pcType"));

          if (sb.length())
            xpath.append(xpath.length()?"/":"").append(sb.str());

          sb.clear().append(pSubParams->queryProp("pcName"));

          if (sb.length())
            xpath.appendf("[@name='%s']", sb.str());
        }

        idx++;
      }

      IPropertyTree* pComp = pEnvRoot->queryPropTree(xpath.str());
      if (pComp)
      {
        sb.clear();
        if (!isAttr)
          sb.append("@");
        sb.append(pszAttrName);
        pComp->setProp(sb.str(), pszNewValue);
        resp.setUpdateValue(pszNewValue);
      }
      else
        throw MakeStringException(-1, "Cannot find component/attribute in environment: '%s'.", pszAttrName);
    }
  }

  return true;
}

bool CWsDeployFileInfo::getNavTreeDefn(IEspContext &context, IEspGetNavTreeDefnRequest &req, IEspGetNavTreeDefnResponse &resp)
{
  synchronized block(m_mutex);
  const char* xmlArg = req.getXmlArgs();
  StringBuffer sbDefn, sb;
  resp.setReadOnly("false");
  bool doreload = true;
  StringBuffer decodedParams(xmlArg);
  decodedParams.replaceString("::", "\n");
  Owned<IProperties> pParams = createProperties();
  pParams->loadProps(decodedParams.str());

  const char* reload = pParams->queryProp("reloadEnv");

  StringBuffer sbName, sbUserIp;
  sbName.clear().append(req.getReqInfo().getUserId());
  context.getPeer(sbUserIp);

  if (!strcmp(sbName.str(), m_userWithLock.str()) && !strcmp(sbUserIp.str(), m_userIp.str()) && reload && !strcmp(reload, "true"))
    throw MakeStringException(-1, "Another browser window already has write access on machine '%s'. Please use that window.", sbUserIp.str());

  if (m_pNavTree.get() == NULL)
    m_pNavTree.setown(getEnvTree(context, &req.getReqInfo()));

  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());
  generateHeadersFromEnv(pEnvRoot, sbDefn);

  resp.setCompDefn(sbDefn.str());
  m_lastSaved.getString(sb.clear());
  resp.setLastSaved(sb.str());
  m_pService->getLastStarted(sb.clear());
  resp.setLastStarted(sb.str());
  return true;
}

bool CWsDeployFileInfo::lockEnvironmentForCloud(IEspContext &context, IEspLockEnvironmentForCloudRequest &req, IEspLockEnvironmentForCloudResponse &resp)
{
  synchronized block(m_mutex);
  const char* user = req.getUserName();
  const char* ip = req.getIp();

  if (!user || !*user || !ip || !*ip)
  {
    resp.setReturnCode(0);
    resp.setMsg("User name or ip cannot be empty");
  }

  StringBuffer xml;
  try 
  {
    if (m_userWithLock.length() == 0)
    {
      StringBuffer sb;
      StringBuffer sbUserIp;
      context.getPeer(sbUserIp);
      
      m_userWithLock.clear().append(user);
      m_userIp.clear().append(sbUserIp);

      Owned<IPropertyTree> pEnvRoot = &m_constEnvRdOnly->getPTree();
      unsigned timeout = 60;
      if (pEnvRoot)
        timeout = pEnvRoot->getPropInt(XML_TAG_ENVSETTINGS"/brokenconntimeout", 60);

      if (m_cloudLockerAliveThread && m_cloudLockerAliveThread.get() != NULL)
        m_cloudLockerAliveThread.clear();

      m_cloudLockerAliveThread.setown(new CLockerAliveThread(this, timeout * 60 * 1000, user, sbUserIp.str()));
      m_cloudLockerAliveThread->init();

      resp.setReturnCode(1);
      resp.setMsg("");
    }
    else
    {
      xml.appendf("Write access to the Environment cannot be provided as it is currently being used on machine %s.", m_userIp.str());
      resp.setMsg(xml.str());
      resp.setReturnCode(0);
    }
  }
  catch (IException* e)
  {
    StringBuffer sErrMsg;
    e->errorMessage(sErrMsg);
    e->Release();         

    char achHost[128] = "";
    const char* p = strstr(sErrMsg.str(), "\n\n");
    if (p && *(p+=2))
    {
      const char* q = strchr(p, ':');
      if (q)
      {
        const int len = q-p;
        strncpy(achHost, p, len);
        achHost[len] = '\0';
      }
    }

    unsigned int addr = inet_addr(achHost);
    struct hostent* hp = gethostbyaddr((const char*)&addr, sizeof(addr), AF_INET);

    if (hp)
      strcpy(achHost, hp->h_name);

    StringBuffer sMsg;
    sMsg.appendf("Error accessing the environment definition");

    if (achHost[0])
      sMsg.appendf(" \nbecause it is locked by computer '%s'.", achHost);
    else
      sMsg.append(":\n\n").append(sErrMsg);

    //throw MakeStringException(0, sMsg);
    resp.setMsg(sMsg.str());
    resp.setReturnCode(0);
  }

  return true;
}

bool CWsDeployFileInfo::unlockEnvironmentForCloud(IEspContext &context, IEspUnlockEnvironmentForCloudRequest &req, IEspUnlockEnvironmentForCloudResponse &resp)
{
  synchronized block(m_mutex);
  const char* user = req.getUserName();
  const char* ip = req.getIp();
  const char* newEnv = req.getNewEnvXml();

  if (!user || !*user || !ip || !*ip)
  {
    resp.setReturnCode(0);
    resp.setMsg("User name or ip cannot be empty");
  }

  StringBuffer xml, sbMsg;
  int ret = 0;
  try 
  {
    if (!stricmp(m_userWithLock.str(), user) && !stricmp(m_userIp.str(), ip))
    {
      m_Environment.clear();

      m_userWithLock.clear();
      m_userIp.clear();

      if (m_cloudLockerAliveThread)
      {
        m_cloudLockerAliveThread->signal();
        m_cloudLockerAliveThread.clear();
      }

      Owned<IPropertyTree>  pNavTree(getEnvTree(context, &req.getReqInfo()));

      if (!areMatchingPTrees(pNavTree, m_pNavTree))
      {
        m_pEnvXml.clear();
        m_pGraphXml.clear();
        m_pNavTree.clear();
        m_pNavTree.setown(getEnvTree(context, &req.getReqInfo()));
      }

      resp.setReturnCode(1);
      resp.setMsg("");
    }
    else
    {
      xml.appendf("The environment has been locked on machine '%s'", m_userIp.str());
      resp.setReturnCode(0);
      resp.setMsg(xml.str());
    }
  }
  catch (IException* e)
  {
    StringBuffer sErrMsg;
    e->errorMessage(sErrMsg);
    e->Release();         
    char achHost[128] = "";
    const char* p = strstr(sErrMsg.str(), "\n\n");
    if (p && *(p+=2))
    {
      const char* q = strchr(p, ':');
      if (q)
      {
        const int len = q-p;
        strncpy(achHost, p, len);
        achHost[len] = '\0';
      }
    }

    unsigned int addr = inet_addr(achHost);
    struct hostent* hp = gethostbyaddr((const char*)&addr, sizeof(addr), AF_INET);

    if (hp)
      strcpy(achHost, hp->h_name);

    StringBuffer sMsg;
    sMsg.appendf("The environment definition in dali server "
      "could not be opened for write access");

    if (achHost[0])
      sMsg.appendf(" \nbecause it is locked by computer '%s'.", achHost);
    else
      sMsg.append(":\n\n").append(sErrMsg);

    resp.setReturnCode(0);
    resp.setMsg(sMsg.str());
  }

  return true;
}

bool CWsDeployFileInfo::saveEnvironmentForCloud(IEspContext &context, IEspSaveEnvironmentForCloudRequest &req, IEspSaveEnvironmentForCloudResponse &resp)
{
    synchronized block(m_mutex);
    const char* user = req.getUserName();
    const char* ip = req.getIp();

    if (!user || !*user || !ip || !*ip)
    {
        resp.setReturnCode(0);
        resp.setMsg("User name or ip cannot be empty");
    }

    StringBuffer xml;
    try 
    {
        if (m_userWithLock.length() == 0)
        {
            xml.appendf("Environment cannot be saved as it is not locked.");
            resp.setMsg(xml.str());
            resp.setReturnCode(0);
            return false;
        }
        else if (stricmp(m_userWithLock.str(), user) || stricmp(m_userIp.str(), ip))
        {
            xml.appendf("The environment has been locked on machine '%s'", m_userIp.str());
            resp.setReturnCode(0);
            resp.setMsg(xml.str());
            return false;
        }
        else
        {
            const char* newEnv = req.getNewEnv();
            const char* newEnvId = req.getId();
            m_cloudEnvId.clear().append(newEnvId);

            if (!newEnv || !*newEnv)
            {
                resp.setReturnCode(0);
                resp.setMsg("Input xml cannot be empty");
                return false;
            }

            StringBuffer sbBackup;
            setEnvironment(context, &req.getReqInfo(), newEnv, "SaveEnvironmentForCloud", sbBackup, false, false);
            m_cloudEnvBkupFileName.clear().append(sbBackup);

            resp.setReturnCode(1);
            resp.setMsg("");
        }
    }
    catch (IException* e)
    {
        StringBuffer sErrMsg;
        e->errorMessage(sErrMsg);
        e->Release();         

        resp.setMsg(sErrMsg.str());
        resp.setReturnCode(0);
    }

    return true;
}

bool CWsDeployFileInfo::rollbackEnvironmentForCloud(IEspContext &context, IEspRollbackEnvironmentForCloudRequest &req, IEspRollbackEnvironmentForCloudResponse &resp)
{
    synchronized block(m_mutex);
    const char* user = req.getUserName();
    const char* ip = req.getIp();

    if (!user || !*user || !ip || !*ip)
    {
        resp.setReturnCode(0);
        resp.setMsg("User name or ip cannot be empty");
    }

    StringBuffer xml;
    try 
    {
        if (m_userWithLock.length() == 0)
        {
            xml.appendf("Cannot rollback environment as it is not locked.");
            resp.setMsg(xml.str());
            resp.setReturnCode(0);
            return false;
        }
        else if (stricmp(m_userWithLock.str(), user) || stricmp(m_userIp.str(), ip))
        {
            xml.appendf("The environment has been locked on machine '%s'", m_userIp.str());
            resp.setReturnCode(0);
            resp.setMsg(xml.str());
            return false;
        }
        else
        {
            const char* newEnvId = req.getId();

            if (newEnvId && *newEnvId && !strcmp(newEnvId, m_cloudEnvId.str()))
            {
                StringBuffer sbBackup;
                Owned<IFile> pFile = createIFile(m_cloudEnvBkupFileName.str());
                Owned<IFileIO> pFileIO = pFile->open(IFOreadwrite);
                StringBuffer sbxml;
                {
                    Owned <IPropertyTree> pTree = createPTree(*pFileIO);
                    toXML(pTree, sbxml);
                    setEnvironment(context, &req.getReqInfo(), sbxml, "RollbackEnvironmentForCloud", sbBackup);
                }

                resp.setReturnCode(1);
                resp.setMsg("");
            }
            else
            {
                resp.setReturnCode(0);
                resp.setMsg("Cannot rollback Environment as rollback id does not match");
                return false;
            }
        }
    }
    catch (IException* e)
    {
        StringBuffer sErrMsg;
        e->errorMessage(sErrMsg);
        e->Release();         

        resp.setMsg(sErrMsg.str());
        resp.setReturnCode(0);
    }

    return true;
}

bool CWsDeployFileInfo::notifyInitSystemSaveEnvForCloud(IEspContext &context, IEspNotifyInitSystemSaveEnvForCloudRequest &req, IEspNotifyInitSystemSaveEnvForCloudResponse &resp)
{
    synchronized block(m_mutex);
    const char* user = req.getUserName();
    const char* ip = req.getIp();

    if (!user || !*user || !ip || !*ip)
    {
        resp.setReturnCode(0);
        resp.setMsg("User name or ip cannot be empty");
    }

    StringBuffer xml;
    try 
    {
        if (m_userWithLock.length() == 0)
        {
            xml.appendf("Cannot notify init system as the environment as it is not locked.");
            resp.setMsg(xml.str());
            resp.setReturnCode(0);
            return false;
        }
        else if (stricmp(m_userWithLock.str(), user) || stricmp(m_userIp.str(), ip))
        {
            xml.appendf("The environment has been locked on machine '%s'", m_userIp.str());
            resp.setReturnCode(0);
            resp.setMsg(xml.str());
            return false;
        }
        else
        {
            StringBuffer xpath;
            xpath.clear().appendf("Software/EspProcess/EspService[@name='%s']/LocalConfFile", m_pService->getName());

            const char* pConfFile = m_pService->getCfg()->queryProp(xpath.str());

            if( pConfFile && *pConfFile)
            {
                Owned<IProperties> pParams = createProperties(pConfFile);
                Owned<IPropertyIterator> iter = pParams->getIterator();
                StringBuffer prop, out, err;
                pParams->getProp("initSystemNotifyScript", prop);
                if(prop.length())
                    runScript(out, err, prop.str());

                resp.setMsg("");
                resp.setReturnCode(1);
            }
        }
    }
    catch(IException* e)
    {
        throw e;
    }

    return true;
}

bool CWsDeployFileInfo::getValue(IEspContext &context, IEspGetValueRequest &req, IEspGetValueResponse &resp)
{
  synchronized block(m_mutex);
  StringBuffer decodedParams(req.getParams());
  decodedParams.replaceString("::", "\n");

  Owned<IProperties> pParams = createProperties();
  pParams->loadProps(decodedParams.str());
  const char* pszCategory = pParams->queryProp("category");
  const char* pszBldSet = pParams->queryProp(TAG_BUILDSET);
  const char* pszCompName = pParams->queryProp("compName");
  const char* pszSubType = pParams->queryProp("subType");
  const char* pszSubTypeName = pParams->queryProp("subTypeName");
  const char* pszAttrName = pParams->queryProp("attrName");
  const char* pszQueryType = pParams->queryProp("queryType");
  const char* pszExcludePath = pParams->queryProp("excludePath");
  const char* pszExcludeAttr = pParams->queryProp("excludeAttr");
  const char* pszXpath = pParams->queryProp("xpath");
  const char* pszparams = pParams->queryProp("params");
  const char* pszAttrValue = pParams->queryProp("attrValue");
  
  if (!pszCompName)
    pszCompName = pParams->queryProp("pcName");

  if (!pszBldSet)
    pszBldSet = pParams->queryProp("pcType");

  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());
  StringBuffer xpath;
  const char* pszValue;
  StringBuffer sbMultiple;

  if (pszQueryType && !strcmp(pszQueryType, "multiple"))
  {
    StringBuffer excludes;
    //prepare exclude list
    if (pszExcludePath && *pszExcludePath && pszExcludeAttr && *pszExcludeAttr)
    {
      if (pszCategory)
        xpath.clear().append(pszCategory).append("/");

      xpath.append(pszExcludePath);
      Owned<IPropertyTreeIterator> pExcludes = pEnvRoot->getElements(xpath.str());
      ForEach(*pExcludes)
      {
        IPropertyTree* pExclude = &pExcludes->query();
        excludes.append(":").append(pExclude->queryProp(pszExcludeAttr)).append(":");
      }
    }

    xpath.clear().append(pszCategory).append("/*");
    
    if (pszBldSet)
      xpath.appendf("[@buildSet='%s']", pszBldSet);

    if (pszCompName)
      xpath.appendf("[@name='%s']", pszCompName);

    if (pszSubType)
      xpath.appendf("/%s", pszSubType);

    Owned<IPropertyTreeIterator> pComps = pEnvRoot->getElements(xpath.str());
    xpath.clear().appendf("@%s", pszAttrName);
    ForEach(*pComps)
    {
      IPropertyTree* pComp = &pComps->query();
      String excl(excludes.str());
      StringBuffer sb(":");
      sb.append(pComp->queryProp(xpath.str())).append(":");

      if (excl.indexOf(sb.str()) == -1)
        sbMultiple.append(pComp->queryProp(xpath.str())).append(",");
    }

    if (sbMultiple.length())
      sbMultiple.setLength(sbMultiple.length() - 1);
    pszValue = sbMultiple.str();
  }
  else if (pszQueryType && !strcmp(pszQueryType, "xpathType") && pszXpath && *pszXpath)
  {
    StringBuffer sb;
    sbMultiple.clear().append("");

    xpath.clear().appendf("./Software/%s[@name=\"%s\"]", pszBldSet, pszCompName);
    IPropertyTree* pNode = pEnvRoot->queryPropTree(xpath.str());

    if (!pNode)
    {
      xpath.clear().appendf("./Software/*[@buildSet=\"%s\"][@name=\"%s\"]", pszBldSet, pszCompName);
      pNode = pEnvRoot->queryPropTree(xpath.str());
    }
    if (pNode)
    {
      substituteParameters(pEnvRoot, pszXpath, pNode, sb);
      const char* szPath = sb.str();

      const char* buildSet = NULL;
      if (!strncmp(szPath, "$process", 8))
      {
        if (!pNode)
          return false;

        szPath += strlen("$process");
        if (*szPath == '\0')
        {
          const char* szName = pNode->queryProp("@name");
          if (szName && *szName)
            sbMultiple.append(",").append(szName);
          pszValue = sbMultiple.str();
          return true;
        }
        szPath++; //skip over '/'
      }
      else
      {
        if (pNode && !strcmp(szPath, "Programs/Build"))
          buildSet = pNode->queryProp("@buildSet");

        if (!pNode) 
          pNode = pEnvRoot;
      }

      String str(szPath);
      Owned<IPropertyTreeIterator> iter; 
      if (str.startsWith(XML_TAG_SOFTWARE) || 
        str.startsWith(XML_TAG_HARDWARE) || 
        str.startsWith(XML_TAG_PROGRAMS))
        iter.setown(pEnvRoot->getElements(szPath));
      else
        iter.setown(pNode->getElements(szPath));

      ForEach(*iter)
      {
        IPropertyTree* pChildNode = &iter->query();
        const char* szName = pChildNode->queryProp(XML_ATTR_NAME);

        if (szName)
        {
          bool bAdd;
          if (buildSet)
          {
            StringBuffer xpath;
            xpath.appendf("BuildSet[@name='%s']", buildSet);
            bAdd = pChildNode->queryPropTree(xpath.str()) != NULL;
          }
          else
            bAdd = true;

          if (bAdd) 
            sbMultiple.append(",").append(szName);
        }
      }
    }

    pszValue = sbMultiple.str();
  }
  else if(pszQueryType && !strcmp(pszQueryType, "customType"))
  {
    sbMultiple.clear();
    if(pszparams && *pszparams)
    {
      StringArray sArray;
      DelimToStringArray(pszparams, sArray, ",");
      for(unsigned i = 0; i < sArray.ordinality() ; i++)
      {
        if(!strcmp(sArray.item(i), "checklock"))
        {
          StringBuffer sbName, sbUserIp, msg;
          sbName.clear().append(req.getReqInfo().getUserId());
          context.getPeer(sbUserIp);
          if(m_userWithLock.length())
          {
           if (strcmp(sbName.str(), m_userWithLock.str()) || strcmp(sbUserIp.str(), m_userIp.str()))
             sbMultiple.append(sArray.item(i)).append("=").append("Cannot get access to Wizard mode as Environment is currently being configured in wizard mode on machine ").append(m_userIp.str());
           else if(!strcmp(sbName.str(), m_userWithLock.str()) && !strcmp(sbUserIp.str(),m_userIp.str()))
             sbMultiple.append(sArray.item(i)).append("=").append("Another browser window already has write access on machine ").append(m_userIp.str()).append(".Please use that window.");
           else
            sbMultiple.append(sArray.item(i)).append("=''");

           if(sbMultiple.length())
             sbMultiple.append(",");
          }
        }
        else if(!strcmp(sArray.item(i), "lastsaved"))
        {
          StringBuffer lastSaved;
          m_lastSaved.getString(lastSaved);
          if(lastSaved.length())
            sbMultiple.append(sArray.item(i)).append("=").append(lastSaved);
          else
            sbMultiple.append(sArray.item(i)).append("=''");

          if(sbMultiple.length())
               sbMultiple.append(",");
        }
      }
    }
    
    pszValue = sbMultiple.str();
  }
  else if(pszQueryType && !strcmp(pszQueryType, "DomainsAndComputerTypes"))
  {
    xpath.clear().append(XML_TAG_HARDWARE"/"XML_TAG_DOMAIN);
    sbMultiple.append("<Domains>");
    bool flag = false;
    Owned<IPropertyTreeIterator> pDomains = pEnvRoot->getElements(xpath.str());
    ForEach(*pDomains)
    {
      IPropertyTree* pDomain = &pDomains->query();
      sbMultiple.append(pDomain->queryProp(XML_ATTR_NAME)).append(",");
      flag = true;
    }

    if (flag)
      sbMultiple.setLength(sbMultiple.length() - 1);
    sbMultiple.append("</Domains>");

    flag = false;

    xpath.clear().append(XML_TAG_HARDWARE"/"XML_TAG_COMPUTERTYPE);
    sbMultiple.append("<ComputerTypes>");
    Owned<IPropertyTreeIterator> pCTypes = pEnvRoot->getElements(xpath.str());
    ForEach(*pCTypes)
    {
      IPropertyTree* pCType = &pCTypes->query();
      sbMultiple.append(pCType->queryProp(XML_ATTR_NAME)).append(",");
      flag = true;
    }

    if (flag)
      sbMultiple.setLength(sbMultiple.length() - 1);
    sbMultiple.append("</ComputerTypes>");

    pszValue = sbMultiple.str();
  }
  else
  {
    if (pszCategory)
        xpath.append(pszCategory);

    if (pszBldSet)
        xpath.append("/").append(pszBldSet);

    if (pszCompName)
        xpath.appendf("["XML_ATTR_NAME"='%s']", pszCompName);

    if (pszSubType)
        xpath.append("/").append(pszSubType);

    if (pszSubTypeName)
        xpath.appendf("["XML_ATTR_NAME"='%s']", pszSubTypeName);

    if (pszAttrName)
        xpath.appendf("/@%s", pszAttrName);

    pszValue = pEnvRoot->queryProp(xpath.str());
  }

  resp.setReqValue(pszValue);
  resp.setStatus("true");
  return true;
}

bool CWsDeployFileInfo::unlockUser(IEspContext &context, IEspUnlockUserRequest &req, IEspUnlockUserResponse &resp)
{
  synchronized block(m_mutex);
  resp.setStatus("false");
  StringBuffer sbName, sbUserIp;
  sbName.clear().append(req.getReqInfo().getUserId());
  context.getPeer(sbUserIp);

  if (!strcmp(sbName.str(), m_userWithLock.str()) && !strcmp(sbUserIp.str(), m_userIp.str()))
  {
    m_userWithLock.clear();
    m_userIp.clear();
    
    resp.setStatus("true");
  }
  else
    return false;
  
  return true;
}

bool CWsDeployFileInfo::clientAlive(IEspContext &context, IEspClientAliveRequest &req, IEspClientAliveResponse &resp)
{
  StringBuffer sbName, sbUserIp;
  sbName.clear().append(req.getReqInfo().getUserId());
  context.getPeer(sbUserIp);

  StringBuffer sb(sbName);
  sb.append(sbUserIp);

  if (getConfigChanged() == true)
  {
    updateConfigFromFile();
    setConfigChanged(false);
  }

  if (!strcmp(sbName.str(), m_userWithLock.str()) && !strcmp(sbUserIp.str(), m_userIp.str()))
  {
    CClientAliveThread* pClientAliveThread = m_keepAliveHTable.getValue(sb.str());
    if (pClientAliveThread)
      pClientAliveThread->signal();
  }

  m_lastSaved.getString(sb.clear());
  resp.setLastSaved(sb.str());
  m_pService->getLastStarted(sb.clear());
  resp.setLastStarted(sb.str());
  
  return true;
}

bool CWsDeployFileInfo::getEnvironment(IEspContext &context, IEspGetEnvironmentRequest &req, IEspGetEnvironmentResponse &resp)
{
  synchronized block(m_mutex);

  StringBuffer sb;
  if (m_pFileIO.get())
  {
    Owned <IPropertyTree> pTree = createPTree(*m_pFileIO);
    toXML(pTree, sb);
    resp.setEnvXml(sb.str());
  }
  
  return true;
}

bool CWsDeployFileInfo::setEnvironment(IEspContext &context, IEspSetEnvironmentRequest &req, IEspSetEnvironmentResponse &resp)
{
  synchronized block(m_mutex);
  const char* pszEnv = req.getEnvXml();

  if (!pszEnv || !*pszEnv)
  {
    resp.setReturnCode(1);
    resp.setErrorMsg("Input xml cannot be empty");
    return false;
  }

  try
  {
    StringBuffer sbBackup;
    setEnvironment(context, NULL, pszEnv, "SetEnvironment", sbBackup);
  }
  catch(IException* e)
  {
    resp.setReturnCode(2);
    StringBuffer sb;
    e->errorMessage(sb);
    resp.setErrorMsg(sb.str());
    throw e;
  }

  resp.setReturnCode(0);
 
  return true;
}

void CWsDeployFileInfo::setEnvironment(IEspContext &context, IConstWsDeployReqInfo *reqInfo, const char* pszEnv, const char* fnName, StringBuffer& sbBackupName, bool validate, bool updateDali)
{
  if (!pszEnv)
    return;
  
  try
  {
    Owned<IEnvironmentFactory> factory = getEnvironmentFactory();
    Owned<IConstEnvironment>    constEnv = factory->loadLocalEnvironment(pszEnv);

    Owned<IPropertyTree> pEnvRoot = createPTreeFromXMLString(pszEnv);
    Owned<IPropertyTreeIterator> dalis = pEnvRoot->getElements("Software/DaliServerProcess/Instance");

    if (validate)
      validateEnv(constEnv);

    if (updateDali && dalis && dalis->first())
      updateDaliEnv(pEnvRoot);

    //save and write to backup
    StringBuffer sXML;
    StringBuffer tmp;
    StringBuffer dtStr;
    CDateTime dt;
    try
    {
      if (m_pFile.get())
      {
        StringBuffer sb;
        if (!checkDirExists(m_pService->getBackupDir()))
          recursiveCreateDirectory(m_pService->getBackupDir());

        while(true)
        {
          String strEnvFile(m_envFile);
          int idx = strEnvFile.lastIndexOf('/');
          if (idx <= 0)
            idx = strEnvFile.lastIndexOf('\\');
          
          String* tmpstr = strEnvFile.substring(idx+1);
          sb.clear().append(m_pService->getBackupDir()).append(PATHSEPCHAR).append(*tmpstr);
          delete tmpstr;
          dt.setNow();
          tmp.clear();
          dtStr.clear();
          dt.getDateString(tmp, true);
          tmp.append("_");
          dt.getTimeString(tmp, true);
          dtStr.append(".").append(tmp);
          dtStr.replaceString("-","_");
          dtStr.replaceString(":","_");
          
          String ext(sb);
          idx = ext.lastIndexOf(PATHSEPCHAR);
          if(ext.indexOf('.', idx > 0 ? idx : 0) != -1)
            sb.insert(ext.lastIndexOf('.'), dtStr.str());
          else
            sb.append(dtStr.str());

          if (checkFileExists(sb))
            continue;
          else
          {
            Owned<IFile> pFile(createIFile(sb.str()));
            copyFile(pFile, m_pFile, 0x100000);
            sbBackupName.clear().append(sb);
            break;
          }
        }
      }
    }
    catch(IException* e)
    {
      //ignore any attempts to create the backup
      e->Release();
    }

    if (!m_pFile.get())
      m_pFile.setown(createIFile(m_envFile));

    m_pFileIO.clear();
    m_pFileIO.setown(m_pFile->open(IFOcreaterw));
    
    dt.setNow();
    dt.getString(tmp.clear());
    StringBuffer sbUserWithLock, sbUserIp;
    if (reqInfo)
      sbUserWithLock.clear().append(reqInfo->getUserId());
    context.getPeer(sbUserIp);
    sXML.appendf("<"XML_HEADER">\n<!-- Set via %s call by %s from ip %s on %s -->\n", fnName, sbUserWithLock.str(), sbUserIp.str(), tmp.str()); 
    toXML(pEnvRoot, sXML, 0, XML_SortTags | XML_Format);
    m_pFileIO->write(0, sXML.length(), sXML.str());
    m_lastSaved.clear();
    m_lastSaved.setNow();
    m_lastSaved.getString(tmp.clear());

    initFileInfo(false);
    m_pNavTree.setown(getEnvTree(context, reqInfo));

    //reset the readonly tree
    m_constEnvRdOnly.setown(factory->loadLocalEnvironment(sXML.str()));
  }

  catch(IException* e)
  {
    throw e;
  }
}

bool CWsDeployFileInfo::displaySettings(IEspContext &context, IEspDisplaySettingsRequest &req, IEspDisplaySettingsResponse &resp)
{
  synchronized block(m_mutex);
  if (m_pNavTree.get() == NULL)
  {
    resp.setComponent("Refresh");
    resp.setXmlArgs("<Refresh flag=\"true\"/>");
    return false;
  }

  const char* cmd   = req.getCmd();
  const char* xmlArg = req.getXmlArgs();
  StringBuffer sbDefn, sbViewChildNodes, sbMultiRowNodes;

  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());
  Owned<IPropertyTree> pSettings = createPTree("Settings");
  Owned<IPropertyTree> pParamTree = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<XmlArgs/>");
  IPropertyTree* pSoftwareFolder = pParamTree->queryPropTree("Component[@parent='Software']");
  IPropertyTree* pBuildFolder = pParamTree->queryPropTree("Component[@name='Programs']");
  IPropertyTree* pHardwareFolder = pParamTree->queryPropTree("Component[@name='Hardware']");
  IPropertyTree* pBuildSet = pParamTree->queryPropTree(XML_TAG_BUILDSET);
  IPropertyTree* pEnvSettings = pParamTree->queryPropTree("Component[@name='EnvSettings']");
  IPropertyTree* pEnvironment = pParamTree->queryPropTree("Component[@name='Environment']");

  if (pSoftwareFolder)
  {
    IPropertyTree* pEnvSoftware = pEnvRoot->queryPropTree(XML_TAG_SOFTWARE);
    Owned<IPropertyTreeIterator> iter = pParamTree->getElements("Component[@parent='Software']", iptiter_sort);
    ForEach (*iter)
    {
      IPropertyTree* pFolder = &iter->query();

      const char* pszCompType = pFolder->queryProp("@compType");
      const char* pszCompName = pFolder->queryProp(XML_ATTR_NAME);

      StringBuffer xpath;
      if (!strcmp(pszCompName, "Directories"))
        xpath.append(pszCompName);
      else
        xpath.appendf("%s[@name='%s']", pszCompType, pszCompName);

      IPropertyTree* pComp = pEnvSoftware->queryPropTree(xpath.str());
      if (!pComp)
        continue;

      if (!strcmp(pszCompType, XML_TAG_ESPSERVICE) || !strcmp(pszCompType, XML_TAG_PLUGINPROCESS))
        xpath.clear().appendf("./Programs/Build/BuildSet[@name=\"%s\"]", pComp->queryProp(XML_ATTR_BUILDSET));
      else
        xpath.clear().appendf("./Programs/Build/BuildSet[@processName=\"%s\"]", pszCompType);

      Owned<IPropertyTreeIterator> buildSetIter = pEnvRoot->getElements(xpath.str());
      buildSetIter->first();
      IPropertyTree* pBuildSet = NULL;
      if (buildSetIter->isValid())
        pBuildSet = &buildSetIter->query();
      else if (!strcmp(pszCompName, "Directories"))
      {      
        pBuildSet = createPTree(XML_TAG_BUILDSET);
        pBuildSet->addProp(XML_ATTR_NAME, pszCompName);
        pBuildSet->addProp(XML_ATTR_SCHEMA, "directories.xsd");
        pBuildSet->addProp(XML_ATTR_PROCESS_NAME, "Directories");
      }

      if (!pBuildSet)
        throw MakeStringException(-1, "Cannot determine buildset for component in environment: '%s' named '%s'.", pszCompType, pszCompName);

      const char* buildSetName = pBuildSet->queryProp(XML_ATTR_NAME);
      const char* processName = pBuildSet->queryProp(XML_ATTR_PROCESS_NAME);

      if ( m_pService->m_configHelper.isInBuildSet(pszCompType,buildSetName) == false )
      {
        throw MakeStringException(-1, "Component '%s' named '%s' not in build set. Component may be incompatible with the current version.", pszCompType, pszCompName);
      }

      StringBuffer buildSetPath;
      Owned<IPropertyTree> pSchema = loadSchema(pEnvRoot->queryPropTree("./Programs/Build[1]"), pBuildSet, buildSetPath, m_Environment);

      if (!strcmp(processName, XML_TAG_ESPSERVICE) || !strcmp(processName, XML_TAG_PLUGINPROCESS))
        getDefnString(pEnvRoot, pSchema, pComp->queryProp(XML_ATTR_BUILDSET), sbDefn, sbViewChildNodes, sbMultiRowNodes);
      else if (!strcmp(processName, XML_TAG_TOPOLOGY))
        generateHeaderForTopology(pEnvRoot, sbDefn);
      else
        getDefnString(pEnvRoot, pSchema, processName, sbDefn, sbViewChildNodes, sbMultiRowNodes);

      resp.setCompDefn(sbDefn.str());
      resp.setViewChildNodes(sbViewChildNodes.str());
      resp.setMultiRowNodes(sbMultiRowNodes.str());
      
      StringBuffer xml;
      toXML(pComp, xml, false);
      xml.replaceString("\\","\\\\");

      //add any missing parameters
      Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString(xml);
      Owned<IPropertyTree> pNewCompTree = generateTreeFromXsd(pEnvRoot, pSchema, processName, buildSetName, m_pService->getCfg(), m_pService->getName(), true, false, 0, true);

      if (pNewCompTree)
      {
        StringBuffer sbxml;
        toXML(pNewCompTree, sbxml);
        Owned<IAttributeIterator> iAttr = pNewCompTree->getAttributes();
        ForEach(*iAttr)
        {
          const char* attrName = iAttr->queryName();

          if (!pSrcTree->hasProp(attrName))
          {
            pSrcTree->addProp(attrName, iAttr->queryValue());

            const char* prop = "@_notInEnv";
            StringBuffer sbVal;

            if (pSrcTree->hasProp(prop))
              sbVal.append(pSrcTree->queryProp(prop));

            pSrcTree->setProp(prop, sbVal.append(";").append(attrName).append(";").str());

          }
        }

          //Add subelements that occur only once
        Owned<IPropertyTreeIterator> iterElems = pNewCompTree->getElements("*");
        ForEach (*iterElems)
        {
          IPropertyTree* pElem = &iterElems->query();

          Owned<IPropertyTreeIterator> srcElems = pSrcTree->getElements(pElem->queryName());
          IPropertyTree* pSrcElem = NULL;
          ForEach(*srcElems)
          {
            pSrcElem = &srcElems->query();
            Owned<IAttributeIterator> iAttrElem = pElem->getAttributes();
            ForEach(*iAttrElem)
            {
              const char* attrName = iAttrElem->queryName();

              if (!pSrcElem->hasProp(attrName))
              {
                pSrcElem->addProp(attrName, iAttrElem->queryValue());

                const char* prop = "@_notInEnv";
                StringBuffer sbVal;

                if (pSrcElem->hasProp(prop))
                  sbVal.append(pSrcElem->queryProp(prop));

                pSrcElem->setProp(prop, sbVal.append(";").append(attrName).append(";").str());
              }
            }

            Owned<IPropertyTreeIterator> iterSubElems = pElem->getElements("*");
            ForEach (*iterSubElems)
            {
              IPropertyTree* pSubElem = &iterSubElems->query();

              Owned<IPropertyTreeIterator> srcSubElems = pSrcElem->getElements(pSubElem->queryName());
              IPropertyTree* pSrcSubElem = NULL;
              ForEach(*srcSubElems)
              {
                pSrcSubElem = &srcSubElems->query();

                Owned<IAttributeIterator> iAttrElem = pSubElem->getAttributes();
                ForEach(*iAttrElem)
                {
                  const char* attrName = iAttrElem->queryName();

                  if (!pSrcSubElem->hasProp(attrName))
                    pSrcSubElem->addProp(attrName, iAttrElem->queryValue());
                }
              }

              if (!pSrcSubElem)
                pSrcSubElem = pSrcElem->addPropTree(pSubElem->queryName(), createPTreeFromIPT(pSubElem));
            }
          }
        }

        Owned<IPropertyTreeIterator> iterNotes = pSrcTree->getElements("Notes");

        ForEach (*iterNotes)
        {
          IPropertyTree* pNotes = &iterNotes->query();
          Owned<IPropertyTreeIterator> iterNote = pNotes->getElements("Note");

          ForEach (*iterNote)
          {
            IPropertyTree* pNote = &iterNote->query();

            StringBuffer sbVal(pNotes->queryProp(pNote->queryName()));
            sbVal.replaceString("\r\n", "&#13;&#10;");
            pNotes->setProp(pNote->queryName(), sbVal.str());
          }
        }

          xml.clear();
          toXML(pSrcTree, xml, false);
      }

      if (!strcmp(pszCompType, "Directories"))
      {
        Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString(xml);
        Owned<IPropertyTreeIterator> iterCats = pSrcTree->getElements("Category");

        ForEach (*iterCats)
        {
          IPropertyTree* pCat = &iterCats->query();
          const char* pszName = pCat->queryProp(XML_ATTR_NAME);
          
          if (!strcmp(pszName, "lock") || !strcmp(pszName, "run") || !strcmp(pszName, "conf"))
          {
            pSrcTree->removeTree(pCat);
            (*iterCats).first();
          }
          else
          {
            IPropertyTree* pOver = pCat->queryPropTree("Override[1]");
            if (!pOver)
              pOver = pCat->addPropTree("Override", createPTree());
            if (!pOver->queryProp("@component"))
              pOver->addProp("@component", "");
            if (!pOver->queryProp("@dir"))
              pOver->addProp("@dir", "");
            if (!pOver->queryProp("@instance"))
              pOver->addProp("@instance", "");
          }
        }

        xml.clear();
        toXML(pSrcTree, xml, false);
      }
      else if (!strcmp(pszCompType, XML_TAG_THORCLUSTER))
      {
        Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString(xml);
        IPropertyTree* pTopoNode = pSrcTree->queryPropTree(XML_TAG_TOPOLOGY);

        if (!pTopoNode)
        {
          pTopoNode = pSrcTree->addPropTree(XML_TAG_TOPOLOGY, createPTree());
          IPropertyTree* pMaster = pSrcTree->queryPropTree(XML_TAG_THORMASTERPROCESS);

          if (pMaster)
          {
            IPropertyTree* pMasterNode = createPTree(XML_TAG_NODE);
            pMasterNode->addProp(XML_ATTR_PROCESS, pMaster->queryProp(XML_ATTR_NAME));
            pTopoNode->addPropTree(XML_TAG_NODE, pMasterNode);

            Owned<IPropertyTreeIterator> iterSlaves = pSrcTree->getElements(XML_TAG_THORSLAVEPROCESS);

            ForEach (*iterSlaves)
            {
              IPropertyTree* pSlave = &iterSlaves->query();
              IPropertyTree* pNode = createPTree(XML_TAG_NODE);
              pNode->addProp(XML_ATTR_PROCESS, pSlave->queryProp(XML_ATTR_NAME));
              pMasterNode->addPropTree(XML_TAG_NODE, pNode);
            }
          }

          Owned<IPropertyTreeIterator> iterSpares = pSrcTree->getElements(XML_TAG_THORSPAREPROCESS);

          ForEach (*iterSpares)
          {
            IPropertyTree* pSpare = &iterSpares->query();
            IPropertyTree* pNode = createPTree(XML_TAG_NODE);
            pNode->addProp(XML_ATTR_PROCESS, pSpare->queryProp(XML_ATTR_NAME));
            pTopoNode->addPropTree(XML_TAG_NODE, pNode);
          }
        }

        xpath.clear().append("Topology/Node");
        Owned<IPropertyTreeIterator> iterMNodes = pSrcTree->getElements(xpath.str());

        ForEach (*iterMNodes)
        {
          IPropertyTree* pMasterNode = &iterMNodes->query();
          const char* pszMName = pMasterNode->queryProp(XML_ATTR_PROCESS);
          pMasterNode->addProp("@_processId", pszMName);

          if (pszMName)
          {
            xpath.clear().appendf(XML_TAG_THORMASTERPROCESS"/[@name='%s']", pszMName);
            IPropertyTree* pMasterNodeTree = pComp->queryPropTree(xpath);

            //if not master, then spare
            if (!pMasterNodeTree)
            {
              xpath.clear().appendf(XML_TAG_THORSPAREPROCESS"/[@name='%s']", pszMName);
              IPropertyTree* pSpareNodeTree = pComp->queryPropTree(xpath);            
              const char* pszComputer = pSpareNodeTree->queryProp(XML_ATTR_COMPUTER);

              if (pszComputer)
              {
                xpath.clear().appendf("Hardware/Computer/[@name='%s']", pszComputer);
                IPropertyTree* pComputer= pEnvRoot->queryPropTree(xpath.str());
                const char* pszNetAddr = pComputer->queryProp(XML_ATTR_NETADDRESS);
                if (pszNetAddr)
                  pMasterNode->addProp(XML_ATTR_NETADDRESS, pszNetAddr);

                pMasterNode->addProp(XML_ATTR_NAME, pszComputer);
                pMasterNode->addProp(XML_ATTR_PROCESS, "Spare");
              }
            }
            else
            {
              const char* pszComputer = pMasterNodeTree->queryProp(XML_ATTR_COMPUTER);

              if (pszComputer)
              {
                xpath.clear().appendf("Hardware/Computer/[@name='%s']", pszComputer);
                IPropertyTree* pComputer= pEnvRoot->queryPropTree(xpath.str());
                const char* pszNetAddr = pComputer->queryProp(XML_ATTR_NETADDRESS);
                if (pszNetAddr)
                  pMasterNode->addProp(XML_ATTR_NETADDRESS, pszNetAddr);

                pMasterNode->addProp(XML_ATTR_NAME, pszComputer);
                pMasterNode->addProp(XML_ATTR_PROCESS, "Master");
              }

              xpath.clear().appendf("Node");
              Owned<IPropertyTreeIterator> iterSNodes = pMasterNode->getElements(xpath);

              ForEach (*iterSNodes)
              {
                IPropertyTree* pSlaveNode = &iterSNodes->query();
                const char* pszSName = pSlaveNode->queryProp(XML_ATTR_PROCESS);
                pSlaveNode->addProp("@_processId", pszSName);

                if (pszMName)
                {
                  xpath.clear().appendf("ThorSlaveProcess/[@name='%s']", pszSName);
                  IPropertyTree* pSlaveNodeTree = pSrcTree->queryPropTree(xpath);
                  const char* pszComputer = pSlaveNodeTree->queryProp(XML_ATTR_COMPUTER);

                  if (pszComputer)
                  {
                    xpath.clear().appendf("Hardware/Computer/[@name='%s']", pszComputer);
                    IPropertyTree* pComputer= pEnvRoot->queryPropTree(xpath.str());
                    const char* pszNetAddr = pComputer->queryProp(XML_ATTR_NETADDRESS);
                    if (pszNetAddr)
                      pSlaveNode->addProp(XML_ATTR_NETADDRESS, pszNetAddr);

                    pSlaveNode->addProp(XML_ATTR_NAME, pszComputer);
                    pSlaveNode->addProp(XML_ATTR_PROCESS, "Slave");
                  }
                }
              }
            }
          }
        }

        xml.clear();
        toXML(pSrcTree, xml, false);
      }
      else if (!strcmp(pszCompType, "RoxieCluster"))
      {
        Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString(xml);
        pNewCompTree.setown(generateTreeFromXsd(pEnvRoot, pSchema, processName, buildSetName, m_pService->getCfg(), m_pService->getName()));

        if (!strcmp(pszCompType, "RoxieCluster"))
        {
          xpath.clear().append("RoxieFarmProcess/RoxieServerProcess");
          Owned<IPropertyTreeIterator> iterRoxieServers = pSrcTree->getElements(xpath.str());

          ForEach (*iterRoxieServers )
          {
            IPropertyTree* pRoxieServer = &iterRoxieServers->query();
            const char* pszComputer = pRoxieServer->queryProp(XML_ATTR_COMPUTER);

            if (pszComputer)
            {
              xpath.clear().appendf("Hardware/Computer/[@name='%s']", pszComputer);
              IPropertyTree* pComputer= pEnvRoot->queryPropTree(xpath.str());
              const char* pszNetAddr = pComputer->queryProp(XML_ATTR_NETADDRESS);
              if (pszNetAddr)
                pRoxieServer->addProp(XML_ATTR_NETADDRESS, pszNetAddr);
            }
          }

          xpath.clear().append(XML_TAG_ROXIE_ONLY_SLAVE);
          Owned<IPropertyTreeIterator> iterSlaves = pSrcTree->getElements(xpath.str());

          ForEach (*iterSlaves)
          {
            IPropertyTree* pRoxieSlave = &iterSlaves->query();
            const char* pszComputer = pRoxieSlave->queryProp(XML_ATTR_COMPUTER);

            if (pszComputer)
            {
              xpath.clear().appendf("Hardware/Computer/[@name='%s']", pszComputer);
              IPropertyTree* pComputer= pEnvRoot->queryPropTree(xpath.str());
              const char* pszNetAddr = pComputer->queryProp(XML_ATTR_NETADDRESS);
              if (pszNetAddr)
                pRoxieSlave->addProp(XML_ATTR_NETADDRESS, pszNetAddr);
            }
          }
        }

        if (pSrcTree->hasProp("ACL"))
        {
          Owned<IPropertyTreeIterator> iterACL = pSrcTree->getElements("ACL");
          ForEach (*iterACL)
          {
            IPropertyTree* pAcl = &iterACL->query();

            if (!pAcl->queryPropTree("Access") && pNewCompTree->queryPropTree("Access"))
            {
              IPropertyTree* pAccess = pAcl->addPropTree("Access", createPTreeFromIPT(pNewCompTree->queryPropTree("Access")));

              Owned<IAttributeIterator> iAttrElem = pNewCompTree->queryPropTree("Access")->getAttributes();
                    ForEach(*iAttrElem)
                    {
                        const char* attrName = iAttrElem->queryName();
                        pAccess->setProp(attrName, "");
                    }
            }

            if (!pAcl->queryPropTree("BaseList") && pNewCompTree->queryPropTree("BaseList"))
            {
              IPropertyTree* pBaseList = pAcl->addPropTree("BaseList", createPTreeFromIPT(pNewCompTree->queryPropTree("BaseList")));
              Owned<IAttributeIterator> iAttrElem = pNewCompTree->queryPropTree("BaseList")->getAttributes();
                    ForEach(*iAttrElem)
                    {
                        const char* attrName = iAttrElem->queryName();
                        pBaseList->setProp(attrName, "");
                    }
            }
          }
        }

        xml.clear();
        toXML(pSrcTree, xml, false);
        xml.replaceString("<RoxieFarmProcess ", "<RoxieFarmProcess process=\"Farm\" ");
        xml.replaceString("<RoxieServerProcess ", "<RoxieServerProcess process=\"Server\" ");
        xml.replaceString("<RoxieSlave ", "<RoxieSlave itemType=\"Roxie Agent\" ");
        xml.replaceString("<RoxieChannel ", "<RoxieChannel itemType=\"Channel\" ");
      }
      else if (!strcmp(pszCompType, XML_TAG_ESPPROCESS))
      {
        Owned<IPropertyTree> pTree = createPTreeFromXMLString(xml);
        
        Owned<IPropertyTreeIterator> iterBindings = pTree->getElements(XML_TAG_ESPBINDING);
        ForEach (*iterBindings)
        {
          IPropertyTree* pBinding = &iterBindings->query();
          bool flag = false;

          Owned<IPropertyTreeIterator> iterUrl = pBinding->getElements("AuthenticateFeature");
          ForEach (*iterUrl)
          {
            flag = true;
            break;
          }

          if (!flag)
          {
            IPropertyTree* pAuthFeature = pBinding->addPropTree( "AuthenticateFeature", createPTree() );
            pAuthFeature->addProp("@authenticate", "");
            pAuthFeature->addProp("@description", "");
            pAuthFeature->addProp("@path", "");
            pAuthFeature->addProp("@resource", "");
            pAuthFeature->addProp("@service", "");
          }

          flag = false;
          Owned<IPropertyTreeIterator> iterFeature = pBinding->getElements("Authenticate");
          ForEach (*iterFeature)
          {
            flag = true;
            break;
          }

          if (!flag)
          {
            IPropertyTree* pAuth = pBinding->addPropTree( "Authenticate", createPTree() );
            pAuth->addProp("@access", "");
            pAuth->addProp("@description", "");
            pAuth->addProp("@method", "");
            pAuth->addProp("@path", "");
            pAuth->addProp("@resource", "");
          }
        }

        Owned<IPropertyTreeIterator> iterInst = pTree->getElements(XML_TAG_INSTANCE);
        
        ForEach (*iterInst)
        {
          IPropertyTree* pInst = &iterInst->query();
          Owned<IPropertyTreeIterator> iterNode = pInst->getElements("*");
        
          if (iterNode->first() && iterNode->isValid())
          {
            ForEach (*iterNode)
            {
              IPropertyTree* pNode = &iterNode->query();
            
              if (!strcmp(pNode->queryName(), "CSR") || !strcmp(pNode->queryName(), "Certificate") || !strcmp(pNode->queryName(), "PrivateKey"))
              {
                StringBuffer sbVal(pInst->queryProp(pNode->queryName()));
                sbVal.replaceString("\r\n", "&#13;&#10;");
                pInst->setProp(pNode->queryName(), sbVal.str());
              }
            }
          }
          
          if (!pInst->hasProp("CSR"))
            pInst->addPropTree("CSR", createPTree());

          if (!pInst->hasProp("Certificate"))
            pInst->addPropTree("Certificate", createPTree());

          if (!pInst->hasProp("PrivateKey"))
            pInst->addPropTree("PrivateKey", createPTree());
        }
      
        xml.clear();
        toXML(pTree, xml, false);
      }

      const char* pszBldSet = pComp->queryProp(XML_ATTR_BUILDSET);

      if (strcmp(pszCompName, "Directories") && !pszBldSet)
        throw MakeStringException(-1, "Cannot determine buildset for component in environment: '%s' named '%s'.", pszCompType, pszCompName);

      if (!strcmp(pszCompType, XML_TAG_ESPSERVICE) || !strcmp(pszCompType, XML_TAG_PLUGINPROCESS))
        resp.setComponent(pszBldSet);
      else
        resp.setComponent(pszCompType);

      resp.setXmlArgs( xml.str() );
    }
  }
  else if (pHardwareFolder)
  {
    IPropertyTree* pEnvHardware = pEnvRoot->queryPropTree(XML_TAG_HARDWARE);
    
    generateHardwareHeaders(pEnvRoot, sbDefn);
    resp.setCompDefn(sbDefn.str());
    StringBuffer sb;
    Owned<IPropertyTree> multiRowNodes = createPTree("multiRowNodes");
    multiRowNodes->addProp("Node", "ComputerType");
    multiRowNodes->addProp("Node", "Domain");
    multiRowNodes->addProp("Node", "Computer");
    multiRowNodes->addProp("Node", "Switch");
    toXML(multiRowNodes, sb);
    resp.setMultiRowNodes(sb.str());
    
    StringBuffer xml;
    toXML(pEnvHardware, xml, false);
    xml.replaceString("switch=","Switch=");

    //add any missing parameters
    Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString(xml);
    StringBuffer sbTemp;
    Owned<IPropertyTree> pNewCompTree = createPTree(XML_TAG_HARDWARE);
    generateHardwareHeaders(pEnvRoot, sbTemp, false, pNewCompTree);
    const char* pElemNames[] = {XML_TAG_COMPUTER};
    bool modified = false;

    for (int i = 0; i < sizeof(pElemNames)/sizeof(char*); i++)
    {
      IPropertyTree* pSrcElem = pNewCompTree->queryPropTree(pElemNames[i]);
      Owned<IPropertyTreeIterator> iter = pSrcTree->getElements(pElemNames[i]);
      ForEach (*iter)
      {
        IPropertyTree* pElem = &iter->query();

        Owned<IAttributeIterator> iAttr = pSrcElem->getAttributes();
        ForEach(*iAttr)
        {
          const char* attrName = iAttr->queryName();

          if (strcmp(attrName, "@state") && strcmp(attrName, "@switch") &&!pElem->hasProp(attrName))
          {
            pElem->addProp(attrName, iAttr->queryValue());
            modified = true;
          }
        }
      }
    }

    if (modified)
    {
      xml.clear();
      toXML(pSrcTree, xml, false);
    }

    resp.setComponent(XML_TAG_HARDWARE);
    resp.setXmlArgs( xml.str() );
  }
  else if (pBuildFolder)
  {
    IPropertyTree* pEnvPrograms = pEnvRoot->queryPropTree(XML_TAG_PROGRAMS);

    generateBuildHeaders(pEnvRoot, true, sbDefn, false);
    resp.setCompDefn(sbDefn.str());
    
    StringBuffer xml;
    toXML(pEnvPrograms, xml, false);
    xml.replaceString(" url="," path=");
    resp.setComponent(XML_TAG_PROGRAMS);
    resp.setXmlArgs( xml.str() );
  }
  else if (pBuildSet)
  {
    generateBuildHeaders(pEnvRoot, false, sbDefn, false);
    resp.setCompDefn(sbDefn.str());

    IPropertyTree* pEnvPrograms = pEnvRoot->queryPropTree(XML_TAG_PROGRAMS);
    Owned<IPropertyTreeIterator> iter = pParamTree->getElements(XML_TAG_BUILDSET);
    ForEach (*iter)
    {
      IPropertyTree* pFolder = &iter->query();

      const char* pszBuild = pFolder->queryProp(XML_ATTR_BUILD);
      const char* pszBuildPath = pFolder->queryProp("@buildpath");
      const char* pszBuildSet = pFolder->queryProp(XML_ATTR_NAME);
      const char* pszBuildSetPath = pFolder->queryProp("@path");

      StringBuffer xpath;
      xpath.appendf("Build[@name='%s']/BuildSet[@name='%s']", pszBuild, pszBuildSet);

      IPropertyTree* pComp = pEnvPrograms->queryPropTree(xpath.str());
      if (!pComp)
        throw MakeStringException(-1, "No such build and buildset in environment: '%s' named '%s'.", pszBuild, pszBuildSet);

      StringBuffer s;
      s.append("./Programs/Build[@name=\"").append(pszBuild).append("\"]");
      IPropertyTree *b = pEnvRoot->queryPropTree(s.str());
      IPropertyTree *bs = NULL;
      IPropertyTree* pParentNode = NULL;
      IPropertyTree* pFiles = NULL;

      if (b)
      {
        s.clear().append("BuildSet[@name=\"").append(pszBuildSet).append("\"]");
        bs = b->queryPropTree(s.str());
        StringBuffer fileName;
        connectBuildSet(b, bs, fileName, m_Environment);
        fileName.append(bs->queryProp("@installSet"));
        pParentNode = createPTreeFromXMLFile(fileName.str());
        pFiles = pParentNode->queryPropTree("File");
      }

      StringBuffer xml;
      toXML(pFiles, xml, false);
      resp.setComponent(XML_TAG_BUILDSET);
      resp.setXmlArgs( xml.str() );
    }
  }
  else if (pEnvSettings)
  {
    IPropertyTree* pEnvSettings = pEnvRoot->queryPropTree("EnvSettings");
    
    generateHeadersForEnvSettings(pEnvRoot, sbDefn);
    resp.setCompDefn(sbDefn.str());
    
    StringBuffer xml;
    toXML(pEnvSettings, xml, false);
    resp.setComponent("EnvSettings");
    resp.setXmlArgs( xml.str() );
  }
  else if (pEnvironment)
  {
    generateHeadersForEnvXmlView(pEnvRoot, sbDefn);
    resp.setCompDefn(sbDefn.str());
    
    StringBuffer xml;
    toXML(pEnvRoot, xml, false);
    resp.setComponent("Environment");
    resp.setXmlArgs( xml.str() );
  }

  return true;
}

bool CWsDeployFileInfo::startDeployment(IEspContext &context, IEspStartDeploymentRequest &req, IEspStartDeploymentResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* selComps = req.getSelComps();
  CDeployOptions& depOptions = dynamic_cast<CDeployOptions&>(req.getOptions());
  CDeployInfo depInfo("wsDeploy", "true");

  StringBuffer deployResult;
  CWsDeployEngine depEngine(*m_pService, &context, depInfo, selComps, 2);
  depEngine.deploy(depOptions);

  Owned<IPropertyTree> pDeployResult = depEngine.getDeployResult();

  if (pDeployResult)
  {
    IPropertyTree* pComponents = pDeployResult->queryPropTree("SelectedComponents");
    toXML(pComponents, deployResult, false);
  }

  IPropertyTree* pOptions = pDeployResult->queryPropTree("Options");

  if (pOptions)
    toXML(pOptions, deployResult, false);

  resp.setStatus( depEngine.getDeployStatus() );

  if (depEngine.GetErrorCount() == 0)
    resp.setStatus(deployResult.str());

  return true;
}

bool CWsDeployFileInfo::getDeployableComps(IEspContext &context, IEspGetDeployableCompsRequest &req, IEspGetDeployableCompsResponse &resp)
{
  synchronized block(m_mutex);
  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());
  Owned<IPropertyTreeIterator> iter = pEnvRoot->getElements("Software/*");
  Owned<IPropertyTree> pDeploy = createPTree("Deploy");

  ForEach(*iter)
  {
    IPropertyTree* pComponent = &iter->query();
    const char* type = pComponent->queryName();

    if (stricmp(type, "Topology")!=0)
    {
      const char* name    = pComponent->queryProp(XML_ATTR_NAME);
      const char* build   = pComponent->queryProp(XML_ATTR_BUILD);
      const char* buildSet= pComponent->queryProp(XML_ATTR_BUILDSET);

      StringBuffer sXPath;
      sXPath.appendf("Programs/Build[@name='%s']/BuildSet[@name='%s']/@deployable", build, buildSet);
      const char* szDeployable = pEnvRoot->queryProp(sXPath.str());
      bool bDeployable = !szDeployable || 
        (stricmp(szDeployable, "no")   != 0 && 
        stricmp(szDeployable, "false") != 0 &&
        strcmp(szDeployable, "0")      != 0);

      if (name && *name && build && *build && bDeployable)
      {
        IPropertyTree* pCompNode = pDeploy->addPropTree( XML_TAG_COMPONENT, createPTree() );
        pCompNode->addProp(XML_ATTR_NAME, name);
        pCompNode->addProp(XML_ATTR_BUILD,  build); 
        pCompNode->addProp(XML_ATTR_BUILDSET, type);

        Owned<IPropertyTreeIterator> iter = pComponent->getElements("*", iptiter_sort);
        ForEach(*iter)
        {
          IPropertyTree* pNode = &iter->query();
          const char* nodeName = pNode->queryName();
          const char* computer = pNode->queryProp(XML_ATTR_COMPUTER);
          const char* instanceName = pNode->queryProp(XML_ATTR_NAME);

          if (computer && *computer)
          {
            const char* instanceNodeNames[] = { XML_TAG_INSTANCE, XML_TAG_ROXIE_SERVER, XML_TAG_ROXIE_SLAVE };
            for (UINT i=0; i<sizeof(instanceNodeNames) / sizeof(instanceNodeNames[0]); i++)
              if (!strcmp(nodeName, instanceNodeNames[i]))
              {
                if (*nodeName != 'R')// || //neither RoxieServerProcess nor RoxieSlaveProcess
                {
                  IPropertyTree* pInstanceNode = pCompNode->addPropTree(XML_TAG_INSTANCES, createPTree());
                  const char* directory = pNode->queryProp(*nodeName == 'R' ? XML_ATTR_DATADIRECTORY : XML_ATTR_DIRECTORY);
                  if (directory && *directory)
                    pInstanceNode->addProp(XML_ATTR_BUILD, directory);

                  pInstanceNode->addProp("@nodeName", computer);
                  pInstanceNode->addProp(XML_ATTR_BUILDSET, XML_TAG_INSTANCE);
                  pInstanceNode->addProp("@instanceName", instanceName);
                }
              }
          }
        }
      }
    }   
  }

  StringBuffer xml, outputXml;
  toXML(pDeploy, xml, false);
  resp.setComponent( "Deploy" );
  resp.setXmlArgs( xml.str() );

  return true;
}


bool CWsDeployFileInfo::getComputersForRoxie(IEspContext &context, IEspGetComputersForRoxieRequest &req, IEspGetComputersForRoxieResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* cmd   = req.getCmd();
  const char* xmlArg = req.getXmlArgs();
  StringBuffer sbC, sbF;

  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());
  getComputersListWithUsage(pEnvRoot, sbC, sbF);
  resp.setComputers(sbC.str());
  resp.setFilters( sbF.str() );

  return true;
}


bool CWsDeployFileInfo::handleRoxieOperation(IEspContext &context, IEspHandleRoxieOperationRequest &req, IEspHandleRoxieOperationResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* cmd   = req.getCmd();
  const char* xmlArg = req.getXmlArgs();
  StringBuffer sbC, sbF;
 
  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());
  bool retVal = ::handleRoxieOperation(pEnvRoot, cmd, xmlArg);
  resp.setStatus(retVal? "true" : "false");

  return true;
}


bool CWsDeployFileInfo::getBuildSetInfo(IEspContext &context, IEspGetBuildSetInfoRequest &req, IEspGetBuildSetInfoResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* cmd   = req.getCmd();
  const char* xmlArg = req.getXmlArgs();
  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());

  Owned<IPropertyTree> pSettings = createPTree("Settings");
  Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<XmlArgs/>");
  IPropertyTree* pBuildSet = pSrcTree->queryPropTree(XML_TAG_BUILDSET);

  if (pBuildSet)
  {
    IPropertyTree* pEnvPrograms = pEnvRoot->queryPropTree(XML_TAG_PROGRAMS);
    Owned<IPropertyTreeIterator> iter = pSrcTree->getElements(XML_TAG_BUILDSET);

    ForEach (*iter)
    {
      IPropertyTree* pFolder = &iter->query();

      const char* pszBuild = pFolder->queryProp(XML_ATTR_BUILD);
      const char* pszBuildPath = pFolder->queryProp("@buildpath");
      const char* pszBuildSet = pFolder->queryProp(XML_ATTR_NAME);
      const char* pszBuildSetPath = pFolder->queryProp("@path");

      StringBuffer xpath;
      xpath.appendf("Build[@name='%s']/BuildSet[@name='%s']", pszBuild, pszBuildSet);

      IPropertyTree* pComp = pEnvPrograms->queryPropTree(xpath.str());
      if (!pComp)
        throw MakeStringException(-1, "No such build and buildset in environment: '%s' named '%s'.", pszBuild, pszBuildSet);

      StringBuffer s;
      s.append("./Programs/Build[@name=\"").append(pszBuild).append("\"]");
      IPropertyTree *b = pEnvRoot->queryPropTree(s.str());
      IPropertyTree *bs = NULL;
      IPropertyTree* pParentNode = NULL;
      IPropertyTree* pFiles = NULL;

      if (b)
      {
        s.clear().append("BuildSet[@name=\"").append(pszBuildSet).append("\"]");
        bs = b->queryPropTree(s.str());
        StringBuffer fileName;
        connectBuildSet(b, bs, fileName, m_Environment);
        fileName.append(bs->queryProp("@installSet"));

        pParentNode = createPTreeFromXMLFile(fileName.str());
        pFiles = pParentNode->queryPropTree("File");
      }

      StringBuffer xml;
      toXML(pParentNode, xml, false);
      resp.setComponent(XML_TAG_BUILDSET);
      resp.setXmlArgs( xml.str() );
    }
  }

  return true;
}

bool CWsDeployFileInfo::importBuild(IEspContext &context, IEspImportBuildRequest &req, IEspImportBuildResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* xmlArg = req.getBuildSets();
  IPropertyTree* buildSets = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<BuildSets/>");
  IPropertyTree* buildNode = createPTree(XML_TAG_BUILD);
  const char* buildName = buildSets->queryProp(XML_ATTR_NAME);
  const char* buildUrl = buildSets->queryProp("@path");
  buildNode->setProp(XML_ATTR_NAME, buildName);
  buildNode->setProp(XML_ATTR_URL, buildUrl);

  Owned<IPropertyTreeIterator> iBuildSet = buildSets->getElements("*"); 

  ForEach(*iBuildSet)
  {
    IPropertyTree* pBuildSet = &iBuildSet->query();
    const char* bsName = pBuildSet->queryProp(XML_ATTR_NAME);
    const char* bsPath = pBuildSet->queryProp("@path");

    IPropertyTree* pBuildsetNode = createPTree();
    pBuildsetNode->addProp(XML_ATTR_NAME, bsName);
    pBuildsetNode->addProp(XML_ATTR_PATH, bsPath);
    pBuildsetNode->addProp(XML_ATTR_INSTALLSET, "deploy_map.xml");

    try
    {
      Owned<IPropertyTree> installSet = loadInstallSet(buildNode, pBuildsetNode, m_Environment);
      if (strcmp(installSet->queryName(), XML_TAG_INSTALLSET) == 0)
      {
        pBuildsetNode->setProp(XML_ATTR_PROCESS_NAME, installSet->queryProp(XML_ATTR_PROCESS_NAME));
        pBuildsetNode->setProp(XML_ATTR_SCHEMA, installSet->queryProp(XML_ATTR_SCHEMA));
        if (installSet->hasProp(XML_ATTR_NAME))
          pBuildsetNode->setProp(XML_ATTR_NAME, installSet->queryProp(XML_ATTR_NAME));

        const char* szDeployable = installSet->queryProp("@deployable");
        if (szDeployable)
          pBuildsetNode->setProp("@deployable", szDeployable);

        IPropertyTree* pProperties = installSet->getPropTree("Properties");
        if (pProperties)
          pBuildsetNode->addPropTree("Properties", pProperties);

        buildNode->addPropTree(XML_TAG_BUILDSET, pBuildsetNode);
      }
    }
    catch(...) 
    {
    }
  }

  Owned<IPropertyTree> pEnvRoot = &m_Environment->getPTree();
  IPropertyTree* pEnvPrograms = pEnvRoot->queryPropTree(XML_TAG_PROGRAMS);

  if (!pEnvPrograms)
    pEnvPrograms = pEnvRoot->addPropTree(XML_TAG_PROGRAMS, createPTree() );

  pEnvPrograms->addPropTree(XML_TAG_BUILD, buildNode);
  resp.setStatus("true");

  return true;
}

bool CWsDeployFileInfo::getBuildServerDirs(IEspContext &context, IEspGetBuildServerDirsRequest &req, IEspGetBuildServerDirsResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* cmd   = req.getCmd();
  const char* xmlArg = req.getXmlArgs();
  StringBuffer sourceDir;

  if (xmlArg && *xmlArg)
  {
    if (xmlArg[0] != '\\' && xmlArg[1] != '\\')
      sourceDir.append("\\\\127.0.0.1\\");

    sourceDir.append(xmlArg);
  }

  if (!strcmp(cmd, "SubDirs"))
  {
    Owned<IFile> inFiles = NULL;
    IPropertyTree* pParentNode = createPTree("BuildServerDirs");

    try
    {
      inFiles.setown(createIFile(sourceDir));
      if(!inFiles->exists())
      {
        resp.setXmlArgs("Input directory %s does not exist");
        return false;
      }
    }
    catch(IException* e)
    {
      StringBuffer errmsg;
      e->errorMessage(errmsg);
      e->Release();
      resp.setXmlArgs("Error when trying to access source directory.");
      return false;
    }

    Owned<IDirectoryIterator> di = inFiles->directoryFiles(NULL, 0, true);
    CIArrayOf<CDirectoryEntry> sortedfiles;
    StringArray dispfiles;
    bool bDirChosen = false;

    sortDirectory(sortedfiles, *di, SD_bydate, true, true); 
    StringBuffer lastDirName;

    int index = 0;
    ForEachItemIn(idx, sortedfiles)
    {
      CDirectoryEntry *de = &sortedfiles.item(idx);
      if (de->isdir)
      {
        StringBuffer sb;
        de->modifiedTime.getString(sb);
        IPropertyTree* pCompNode = pParentNode->addPropTree( "Directory", createPTree() );
        pCompNode->addProp(XML_ATTR_NAME, de->name.get());
        pCompNode->addProp("@modified", sb.str());  
      }
    }

    StringBuffer xml;
    toXML(pParentNode, xml, false);
    resp.setComponent("BuildServerDirs");
    resp.setXmlArgs( xml.str() );
  }
  else 
  {
    Owned<IFile> inFiles = NULL;
    IPropertyTree* pParentNode = createPTree("BuildServerComps");

    if (!strcmp(cmd, "Release"))
      sourceDir.append(PATHSEPCHAR).append("release");
    else if (!strcmp(cmd, "Debug"))
      sourceDir.append(PATHSEPCHAR).append("debug");

    try
    {
      inFiles.setown(createIFile(sourceDir));
      if(!inFiles->exists())
      {
        resp.setXmlArgs("Input directory %s does not exist");
        return false;
      }
    }
    catch(IException* e)
    {
      StringBuffer errmsg;
      e->errorMessage(errmsg);
      e->Release();
      resp.setXmlArgs("Error when trying to access source directory.");
      return false;
    }

    if(inFiles.get() != NULL && inFiles->isDirectory())
    {
      Owned<IDirectoryIterator> di = inFiles->directoryFiles(NULL, 0, true);
      bool bCompFound = false;
      StringBuffer dirName, compName, fileName;

      if(di.get())
      {
        ForEach(*di)
        {
          IFile &file = di->query();

          if (!file.isFile())
          {
            dirName.clear();
            di->getName(dirName);

            compName.clear().append(dirName);
            Owned<IFile> dirFiles = NULL;
            StringBuffer sbPath(cmd);
            sbPath.toLowerCase();
            dirName.clear().append(sourceDir);

            if(dirName.charAt(dirName.length() - 1) != PATHSEPCHAR)
              dirName.append(PATHSEPCHAR);

            dirName.append(compName);
            sbPath.append(PATHSEPCHAR).append(compName);

            fileName.clear().append(dirName).append(PATHSEPCHAR).append("deploy_map.xml");
            Owned<IFile> depfile(createIFile(fileName));
            if(depfile->exists())
            {
              IPropertyTree* pCompNode = pParentNode->addPropTree("Comp", createPTree() );
              pCompNode->addProp(XML_ATTR_NAME, compName.str());
              pCompNode->addProp("@path", sbPath.str());
            }
          }
        }
      }

      StringBuffer xml;
      toXML(pParentNode, xml, false);
      resp.setComponent("BuildServerComps");
      resp.setXmlArgs( xml.str() );
    }
  }

  return true;
}


bool CWsDeployFileInfo::handleComponent(IEspContext &context, IEspHandleComponentRequest &req, IEspHandleComponentResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* xmlArg = req.getXmlArgs();
  Owned<IPropertyTree> pComponents = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<Components/>");

  const char* operation = req.getOperation();
  StringBuffer sbNewName;
  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());

  if (!strcmp(operation, "Add"))
  {
    Owned<IPropertyTreeIterator> iterComp = pComponents->getElements("*");
    ForEach(*iterComp)
    {
      IPropertyTree& pComp = iterComp->query();
      const char* buildSet = pComp.queryProp(XML_ATTR_BUILDSET);

      StringBuffer xpath;
      xpath.appendf("./Programs/Build/BuildSet[@name=\"%s\"]", buildSet);
      Owned<IPropertyTreeIterator> buildSetIter = pEnvRoot->getElements(xpath.str());
      buildSetIter->first();
      IPropertyTree* pBuildSet = &buildSetIter->query();
      const char* buildSetName = pBuildSet->queryProp(XML_ATTR_NAME);
      const char* processName = pBuildSet->queryProp(XML_ATTR_PROCESS_NAME);

      StringBuffer buildSetPath;
      Owned<IPropertyTree> pSchema = loadSchema(pEnvRoot->queryPropTree("./Programs/Build[1]"), pBuildSet, buildSetPath, m_Environment);
      xpath.clear().appendf("./Software/%s[@name='%s']", processName, buildSetName);
      IPropertyTree* pCompTree = generateTreeFromXsd(pEnvRoot, pSchema, processName, buildSetName, m_pService->getCfg(), m_pService->getName(), false);
      IPropertyTree* pInstTree = pCompTree->queryPropTree(XML_TAG_INSTANCE);

      if (pInstTree)
        pCompTree->removeTree(pInstTree);

      addComponentToEnv(pEnvRoot, buildSet, sbNewName, pCompTree);
    }

    resp.setCompName(sbNewName.str());
    resp.setStatus("true");
  }
  else if (!strcmp(operation, "Delete"))
  {
    Owned<IPropertyTreeIterator> iterComp = pComponents->getElements("*");
    ForEach(*iterComp)
    {
      IPropertyTree& pComp = iterComp->query();
      const char* compName = pComp.queryProp(XML_ATTR_NAME);
      const char* compType = pComp.queryProp("@compType");
      StringBuffer xpath;
      xpath.clear().appendf("./Software/%s[@name=\"%s\"]", compType, compName);
      IPropertyTree* pCompTree = pEnvRoot->queryPropTree(xpath.str());
      StringBuffer sbMsg;

      if(pCompTree)
      {
        bool ret = checkComponentReferences(pEnvRoot, pCompTree, compName, sbMsg);

        if (ret)
        {
          pEnvRoot->queryPropTree("./Software")->removeTree(pCompTree);
          resp.setStatus("true");
          resp.setCompName(XML_TAG_SOFTWARE);
        }
        else
        {
          resp.setStatus(sbMsg.str());
          resp.setCompName(compName);
        }
      }
    }
  }
  else if (!strcmp(operation, "Duplicate"))
  {
    StringBuffer sbNewName;
    StringBuffer xpath;
    Owned<IPropertyTreeIterator> iterComp = pComponents->getElements("*");

    if (iterComp->first() && iterComp->isValid())
    {
      IPropertyTree& pComp = iterComp->query();
      const char* compName = pComp.queryProp(XML_ATTR_NAME);
      const char* compType = pComp.queryProp(XML_ATTR_COMPTYPE);

      sbNewName = compName;
      xpath = compType;
      getUniqueName(pEnvRoot, sbNewName, xpath.str(), XML_TAG_SOFTWARE);
      xpath.clear().appendf("./%s/%s[%s=\"%s\"]", XML_TAG_SOFTWARE, compType, XML_ATTR_NAME, compName);
      IPropertyTree* pCompTree = pEnvRoot->queryPropTree(xpath.str());

      if (pCompTree == NULL)
        throw MakeStringException(-1,"XPATH: %s is invalid.", xpath.str());

      StringBuffer xml;
      toXML(pCompTree, xml);

      IPropertyTree *dupTree = createPTreeFromXMLString(xml.str());
      dupTree->setProp(XML_ATTR_NAME, sbNewName.str());

      xpath.clear().appendf("./%s/%s[%s=\"%s\"]", XML_TAG_SOFTWARE, compType, XML_ATTR_NAME, sbNewName.str());

      if (pEnvRoot->addPropTree(xpath, dupTree))
        resp.setStatus("true");
      else
        resp.setStatus("false");
    }
    else
    {
      resp.setStatus("false");
    }
    resp.setCompName(XML_TAG_SOFTWARE);
  }
  return true;
}


bool CWsDeployFileInfo::handleInstance(IEspContext &context, IEspHandleInstanceRequest &req, IEspHandleInstanceResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* operation = req.getOperation();
  const char* xmlArg = req.getXmlArgs();
  Owned<IPropertyTree> instances = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<Instances/>");
  const char* buildSet = instances->queryProp(XML_ATTR_BUILDSET);
  const char* compName = instances->queryProp("@compName");
  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());

  StringBuffer xpath;
  xpath.appendf("./Programs/Build/BuildSet[@name=\"%s\"]", buildSet);
  Owned<IPropertyTreeIterator> buildSetIter = pEnvRoot->getElements(xpath.str());
  buildSetIter->first();
  IPropertyTree* pBuildSet = &buildSetIter->query();
  const char* processName = pBuildSet->queryProp(XML_ATTR_PROCESS_NAME);
  StringBuffer dups, reqdComps, reqdCompNames;

  if (!strcmp(operation, "Add"))
  {
    StringBuffer buildSetPath;
    Owned<IPropertyTree> pSchema = loadSchema(pEnvRoot->queryPropTree("./Programs/Build[1]"), pBuildSet, buildSetPath, m_Environment);
    xpath.clear().appendf("./Software/%s[@name=\"%s\"]", processName, compName);
    IPropertyTree* pCompTree = pEnvRoot->queryPropTree(xpath.str());

    Owned<IPropertyTreeIterator> iterInst = instances->getElements("*");
    bool bAdded = false;
    ForEach(*iterInst)
    {
      IPropertyTree& pComputer = iterInst->query();
      xpath.clear().appendf("./Hardware/Computer[@name=\"%s\"]", pComputer.queryProp(XML_ATTR_NAME)); 
      IPropertyTree* pComputerNode = pEnvRoot->queryPropTree(xpath.str());
      xpath.clear().appendf("Instance[@netAddress=\"%s\"]", pComputerNode->queryProp(XML_ATTR_NETADDRESS)); 
      if (pCompTree->queryPropTree(xpath.str()))
      {
        dups.appendf("\n%s", pComputerNode->queryProp(XML_ATTR_NETADDRESS));
        continue;
      }

      IPropertyTree* pNode = pCompTree->addPropTree(XML_TAG_INSTANCE, createPTree());

      if (pSchema)
      {
        Owned<IPropertyTreeIterator> iter = pSchema->getElements("xs:element/xs:complexType/xs:sequence/xs:element[@name=\"Instance\"]/xs:complexType/xs:attribute");
        ForEach(*iter)
        {
          IPropertyTree &attr = iter->query();
          StringBuffer attrName("@");
          attrName.append(attr.queryProp(XML_ATTR_NAME));

          // we try to pull @computer and @netAddress from computerNode. Others come from default values in schema (if supplied)
          const char *szAttrib;
          StringBuffer sb;
          if (!strcmp(attrName.str(), XML_ATTR_COMPUTER))
          {
            szAttrib = pComputerNode->queryProp(XML_ATTR_NAME);

            if (!bAdded)
            {
              bAdded = true;
              resp.setNewName(szAttrib);
            }
          }
          else if (!strcmp(attrName.str(), XML_ATTR_NETADDRESS))
            szAttrib = pComputerNode->queryProp(XML_ATTR_NETADDRESS);
          else if (!strcmp(attrName.str(), XML_ATTR_DIRECTORY))
          {
            StringBuffer rundir;
            if (!getConfigurationDirectory(pEnvRoot->queryPropTree("Software/Directories"),"run",buildSet,compName,rundir))
              sb.clear().appendf(RUNTIME_DIR"/%s", compName);
            else
              sb.clear().append(rundir);

            szAttrib = sb.str();
          }
          else
            szAttrib = attr.queryProp("@default");

          pNode->addProp(attrName.str(), szAttrib);
        }

        Owned<IPropertyTree> pNewCompTree = generateTreeFromXsd(pEnvRoot, pSchema, processName, buildSet, m_pService->getCfg(), m_pService->getName(), true);

        if (pNewCompTree)
        {
          StringBuffer sbxml;
          toXML(pNewCompTree, sbxml);

          Owned<IPropertyTreeIterator> iterElems = pNewCompTree->getElements("Instance/*");
          ForEach (*iterElems)
          {
            IPropertyTree* pElem = &iterElems->query();
           
            if (!pNode->queryProp(pElem->queryName()))
              pNode->addPropTree(pElem->queryName(), createPTreeFromIPT(pElem));
          }
        }
      }

      if (!checkForRequiredComponents(pEnvRoot, pComputerNode->queryProp(XML_ATTR_NETADDRESS), reqdCompNames, buildSet))
        reqdComps.appendf("\n%s", pComputerNode->queryProp(XML_ATTR_NETADDRESS));
    }

    resp.setReqdCompNames(reqdCompNames.str());
    resp.setAddReqdComps(reqdComps.str());
    resp.setDuplicates(dups.str());
  }
  else if (!strcmp(operation, "Delete"))
  {
    Owned<IPropertyTreeIterator> iterInst = instances->getElements("*");
    ForEach(*iterInst)
    {
      IPropertyTree& pInst = iterInst->query();

      StringBuffer decodedParams( pInst.queryProp("@params") );
      decodedParams.replaceString("::", "\n");

      Owned<IProperties> pParams = createProperties();
      pParams->loadProps(decodedParams.str());

      const char* pszCompType = pParams->queryProp("pcType");
      const char* pszCompName = pParams->queryProp("pcName");
      const char* pszSubType = pParams->queryProp("subType");
      const char* pszSubTypeKey = pParams->queryProp("subTypeKey");

      xpath.clear().appendf("./Software/%s[@name=\"%s\"]", pszCompType, pszCompName);
      IPropertyTree* pInstParent = pEnvRoot->queryPropTree(xpath.str());
      if (pszSubTypeKey[0] == '[' && pszSubTypeKey[strlen(pszSubTypeKey) - 1] == ']')
        xpath.clear().appendf("%s%s", pszSubType, pszSubTypeKey);
      else
        xpath.clear().appendf("%s[@name=\"%s\"]", pszSubType, pszSubTypeKey);
      
      IPropertyTree* pInstTree = pInstParent->queryPropTree(xpath.str());

      if (pInstParent && pInstTree)
        pInstParent->removeTree(pInstTree);
    }
  }

  //rename instance names
  int nCount = 1;
  xpath.clear().appendf("./Software/%s[@name=\"%s\"]/Instance", processName, compName);
  Owned<IPropertyTreeIterator> iter = pEnvRoot->getElements(xpath.str());
  StringBuffer sName;

  ForEach(*iter)
  {
    sName.clear().append("s").append(nCount);
    iter->query().setProp(XML_ATTR_NAME, sName.str());
    nCount++;
  }

  resp.setStatus("true");
  return true;
}

bool CWsDeployFileInfo::addReqdComps(IEspContext &context, IEspAddReqdCompsRequest &req, IEspAddReqdCompsResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* xmlArg = req.getXmlArgs();
  Owned<IPropertyTree> instances = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<ReqdComps/>");
  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());

  Owned<IPropertyTreeIterator> iterComp = instances->getElements("*");
  bool bAdded = false;
  StringBuffer reqCompNames, failed;

  ForEach(*iterComp)
  {
    IPropertyTree& pComputer = iterComp->query();

    if (!checkForRequiredComponents(pEnvRoot, pComputer.queryProp(XML_ATTR_NETADDRESS), reqCompNames, NULL, true))
      failed.appendf("\n%s", pComputer.queryProp(XML_ATTR_NETADDRESS));
  }

  resp.setFailures(failed.str());
  resp.setStatus("true");
  return true;
}

bool CWsDeployFileInfo::handleEspServiceBindings(IEspContext &context, IEspHandleEspServiceBindingsRequest &req, IEspHandleEspServiceBindingsResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* xmlArg = req.getXmlArgs();
  Owned<IPropertyTree> pBindings = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<EspServiceBindings/>");
  const char* type = pBindings->queryProp(XML_ATTR_TYPE);
  const char* espName = pBindings->queryProp("@compName");

  const char* operation = req.getOperation();
  StringBuffer sbNewName;
  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());
  StringBuffer xpath;

  if (!strcmp(operation, "Add"))
  {
    xpath.append("./Programs/Build/BuildSet[@processName=\"EspProcess\"]");
    Owned<IPropertyTreeIterator> buildSetIter = pEnvRoot->getElements(xpath.str());
    buildSetIter->first();
    IPropertyTree* pBuildSet = &buildSetIter->query();
    const char* buildSetName = pBuildSet->queryProp(XML_ATTR_NAME);
    const char* processName = pBuildSet->queryProp(XML_ATTR_PROCESS_NAME);
    StringBuffer buildSetPath;
    Owned<IPropertyTree> pSchema = loadSchema(pEnvRoot->queryPropTree("./Programs/Build[1]"), pBuildSet, buildSetPath, m_Environment);
    xpath.clear().appendf("./Software/%s[@name='%s']", processName, espName);

    Owned<IPropertyTreeIterator> iterItems = pBindings->getElements("Item");
    bool flag = false;

    ForEach (*iterItems)
    {
      flag = true;
      IPropertyTree* pItem = &iterItems->query();
      const char* bindingName = pItem->queryProp(XML_ATTR_NAME);
      const char* params = pItem->queryProp("@params");

      StringBuffer decodedParams(params);
      decodedParams.replaceString("::", "\n");

      Owned<IProperties> pParams = createProperties();
      pParams->loadProps(decodedParams.str());

      const char* pszCompType = pParams->queryProp("pcType");
      const char* pszCompName = pParams->queryProp("pcName");
      const char* pszSubType = pParams->queryProp("subType");
      const char* pszSubTypeKey = pParams->queryProp("subTypeKey");

      if (strcmp(type, XML_TAG_ESPBINDING) && bindingName)
        xpath.appendf("/EspBinding[@name='%s']", bindingName);
      else if (pszSubType && *pszSubType)
      {
        String subType(pszSubType);

        int idx = subType.lastIndexOf('/');
        if (idx > 0)
        {
          String* tmpstr = subType.substring(0, idx);
          xpath.append("/").append(*tmpstr);
          delete tmpstr;
        }
      }

      IPropertyTree* pEspService = pEnvRoot->queryPropTree(xpath.str());    
      IPropertyTree* pCompTree = generateTreeFromXsd(pEnvRoot, pSchema, processName, buildSetName, m_pService->getCfg(), m_pService->getName());
      StringBuffer sb(type);

      if (!strncmp(sb.str(), "_", 1))
        sb.remove(0, 1);

      if (!strcmp(type, XML_TAG_ESPBINDING))
      {
        StringBuffer sbNewName(XML_TAG_ESPBINDING);
        xpath.clear().appendf("%s[@name='%s']/EspBinding", processName, espName);

        getUniqueName(pEnvRoot, sbNewName, xpath.str(), XML_TAG_SOFTWARE);
        xpath.clear().append(sb.str()).append("/").append(XML_ATTR_NAME);
        pCompTree->setProp(xpath.str(), sbNewName);
        resp.setNewName(sbNewName);
      }

      if (pEspService && pCompTree)
        pEspService->addPropTree(sb.str(), pCompTree->queryPropTree(sb.str()));

      //If we are adding, just consider the first selection.
      break;
    }

    if (!flag)
    {
      IPropertyTree* pEspService = pEnvRoot->queryPropTree(xpath.str());    
      IPropertyTree* pCompTree = generateTreeFromXsd(pEnvRoot, pSchema, processName, buildSetName, m_pService->getCfg(), m_pService->getName());
      StringBuffer sbNewName(XML_TAG_ESPBINDING);
      xpath.clear().appendf("%s[@name='%s']/EspBinding", processName, espName);

      getUniqueName(pEnvRoot, sbNewName, xpath.str(), XML_TAG_SOFTWARE);
      xpath.clear().append(XML_TAG_ESPBINDING).append("/").append(XML_ATTR_NAME);
      pCompTree->setProp(xpath.str(), sbNewName);
      resp.setNewName(sbNewName);

      if (pEspService && pCompTree)
        pEspService->addPropTree(XML_TAG_ESPBINDING, pCompTree->queryPropTree(XML_TAG_ESPBINDING));
    }

    resp.setStatus("true");
  }
  else if (!strcmp(operation, "Delete"))
  {
    Owned<IPropertyTreeIterator> iterItems = pBindings->getElements("Item");
    bool deleteAll = true;
    IPropertyTreePtrArray bindings;
    ForEach (*iterItems)
    {
      IPropertyTree* pItem = &iterItems->query();
      const char* bindingName = pItem->queryProp(XML_ATTR_NAME);
      const char* params = pItem->queryProp("@params");

      StringBuffer decodedParams(params);
      decodedParams.replaceString("::", "\n");

      Owned<IProperties> pParams = createProperties();
      pParams->loadProps(decodedParams.str());

      const char* pszCompType = pParams->queryProp("pcType");
      const char* pszCompName = pParams->queryProp("pcName");
      const char* pszSubType = pParams->queryProp("subType");
      const char* pszSubTypeKey = pParams->queryProp("subTypeKey");

      xpath.clear().appendf("./Software/%s[@name='%s']", XML_TAG_ESPPROCESS, espName);
      if (!strcmp(type, XML_TAG_ESPBINDING))
      {
        if (bindingName)
          xpath.appendf("/EspBinding[@name='%s']", bindingName);

        IPropertyTree* pEspBinding = pEnvRoot->queryPropTree(xpath.str());  
        StringBuffer sbMsg;
        StringBuffer sbFullName(espName);
        sbFullName.append("/").append(bindingName);
        bool ret = checkComponentReferences(pEnvRoot, pEspBinding, sbFullName.str(), sbMsg);

        if (ret)
          bindings.push_back(pEspBinding);
        else
        {
          deleteAll = false;
          resp.setStatus(sbMsg.str());
          break;
        }
      }
      else
      {
        if (pszSubType && *pszSubType)
          xpath.append("/").append(pszSubType);

        const char* resource = pItem->queryProp("@resource");

        if (resource)
          xpath.appendf("[@resource='%s']", resource);

        IPropertyTree* pSubType = pEnvRoot->queryPropTree(xpath.str());

        String subType(xpath.str());

        int idx = subType.lastIndexOf('/');
        if (idx > 0)
        {
          String* tmpstr = subType.substring(0, idx);    
          xpath.clear().append(*tmpstr);
          delete tmpstr;
        }
        
        if (pSubType)
          pEnvRoot->queryPropTree(xpath.str())->removeTree(pSubType);
      }
    }

    if (deleteAll)
    {
      xpath.clear().appendf("./Software/%s[@name='%s']", XML_TAG_ESPPROCESS, espName);
      IPropertyTree* pEspService = pEnvRoot->queryPropTree(xpath.str());
      int nBindings = bindings.size();
      for (int i=0; i < nBindings; i++)
        {
            IPropertyTree* pBinding = bindings[i];
        pEspService->removeTree(pBinding);
      }

      resp.setStatus("true");
    }
  }

  return true;
}

bool CWsDeployFileInfo::handleComputer(IEspContext &context, IEspHandleComputerRequest &req, IEspHandleComputerResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* xmlArg = req.getXmlArgs();
  Owned<IPropertyTree> pParams = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<XmlArgs/>");
  const char* type = pParams->queryProp(XML_ATTR_TYPE);
  const char* operation = req.getOperation();
  StringBuffer sbNewName;
  StringBuffer xpath;

  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());

  if (!strcmp(operation, "New"))
  {
    StringBuffer sbTemp;
    IPropertyTree* pCompTree = createPTree(XML_TAG_HARDWARE);
    generateHardwareHeaders(pEnvRoot, sbTemp, false, pCompTree);

    StringBuffer sbNewName(type);
    xpath.clear().appendf("%s", type);

    getUniqueName(pEnvRoot, sbNewName, xpath.str(), XML_TAG_HARDWARE);
    xpath.clear().append(type).append("/").append(XML_ATTR_NAME);
    pCompTree->setProp(xpath.str(), sbNewName);

    pEnvRoot->queryPropTree(XML_TAG_HARDWARE)->addPropTree(type, pCompTree->queryPropTree(type));

    resp.setCompName(sbNewName.str());
    resp.setStatus("true");
  }
  else if (!strcmp(operation, "NewRange"))
  {
    const char* prefix = pParams->queryProp("@prefix");
    const char* domain = pParams->queryProp(XML_ATTR_DOMAIN);
    const char* cType = pParams->queryProp(XML_ATTR_COMPUTERTYPE);
    const char* startIP = pParams->queryProp("@startIP");
    const char* endIP = pParams->queryProp("@endIP");

    IPropertyTree* pComps = getNewRange(pEnvRoot, prefix, domain, cType, startIP, endIP);

    if (m_bCloud)
    {
      StringBuffer sbMsg;
      CCloudActionHandler lockCloud(this, CLOUD_LOCK_ENV, CLOUD_UNLOCK_ENV, m_userWithLock.str(), "8015", pComps);
      bool ret = lockCloud.start(sbMsg);
      if (!ret || sbMsg.length())
      {
        resp.setStatus("false");
        throw MakeStringException(-1, "Cannot add new range of computers as environment lock could not be obtained. Reason(s):\n%s", sbMsg.str());
      }
    }

    if (pComps)
    {
      mergePTree(pEnvRoot->queryPropTree(XML_TAG_HARDWARE), pComps);
      resp.setCompName(pComps->queryPropTree("Computer[1]")->queryProp(XML_ATTR_NAME));
    }

    resp.setStatus("true");
  }
  else if (!strcmp(operation, "Delete"))
  {
    StringBuffer refs;
    StringBuffer refName;
    Owned<IPropertyTreeIterator> iterComputers = pParams->getElements("Item");
    ForEach (*iterComputers)
    {
      IPropertyTree* pComp = &iterComputers->query();

      const char* name = pComp->queryProp(XML_ATTR_NAME);
      if (!strcmp(type, XML_TAG_COMPUTER))
        xpath.clear().appendf(XML_TAG_SOFTWARE"//["XML_ATTR_COMPUTER"=\"%s\"]", name);
      else if (!strcmp(type, XML_TAG_COMPUTERTYPE))
        xpath.clear().appendf(XML_TAG_HARDWARE"//["XML_ATTR_COMPUTERTYPE"=\"%s\"]", name);
      else if (!strcmp(type, XML_TAG_DOMAIN))
        xpath.clear().appendf(XML_TAG_HARDWARE"//["XML_ATTR_DOMAIN"=\"%s\"]", name);
      else if (!strcmp(type, XML_TAG_SWITCH))
        xpath.clear().appendf(XML_TAG_HARDWARE"//["XML_ATTR_SWITCH"=\"%s\"]", name);

      Owned<IPropertyTreeIterator> iter = pEnvRoot->getElements(xpath.str());

      ForEach(*iter)
      {
        IPropertyTree& pComp = iter->query();
        const char* compName = pComp.queryProp(XML_ATTR_NAME);
        const char* parentName = pComp.queryName();
        refs.append("\n").append(parentName).append(" name=").append(compName);
      }

      if (refs.length())
      {
        refName.clear().append(name);
        break;
      }
    }
    
    if (refs.length())
      throw MakeStringException(-1, "Cannot delete %s with name %s as it is being referenced by components: %s.", type, refName.str(), refs.str());
    else
    {
      if (m_bCloud && !strcmp(type, XML_TAG_COMPUTER))
      {
        StringBuffer sb, sbMsg;
        sb.append("<Computers>");
        ForEach (*iterComputers)
        {
          IPropertyTree* pComp = &iterComputers->query();
          xpath.clear().appendf(XML_TAG_HARDWARE"/%s["XML_ATTR_NAME"=\"%s\"]", type, pComp->queryProp(XML_ATTR_NAME));
          IPropertyTree* pTree = pEnvRoot->queryPropTree(xpath.str());
          sb.appendf("<Computer netAddress='%s'/>", pTree->queryProp(XML_ATTR_NETADDRESS));
        }
        sb.append("</Computers>");
        Owned<IPropertyTree> pComputers = createPTreeFromXMLString(sb.str());

        CCloudActionHandler unlockCloud(this, CLOUD_UNLOCK_ENV, CLOUD_LOCK_ENV, m_userWithLock.str(), "8015", pComputers);
        bool ret = unlockCloud.start(sbMsg);
        if (!ret || sbMsg.length())
          throw MakeStringException(-1, "Cannot delete computers as they cannot be unlocked. Reason(s):\n%s", sbMsg.str());
      }

      ForEach (*iterComputers)
      {
        IPropertyTree* pComp = &iterComputers->query();
        xpath.clear().appendf(XML_TAG_HARDWARE"/%s["XML_ATTR_NAME"=\"%s\"]", type, pComp->queryProp(XML_ATTR_NAME));
        IPropertyTree* pTree = pEnvRoot->queryPropTree(xpath.str());
        pEnvRoot->queryPropTree(XML_TAG_HARDWARE)->removeTree(pTree);
      }
       
      resp.setStatus("true");
    }
  }

  return true;
}


bool CWsDeployFileInfo::handleTopology(IEspContext &context, IEspHandleTopologyRequest &req, IEspHandleTopologyResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* xmlArg = req.getXmlArgs();
  Owned<IPropertyTree> pParams = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<XmlArgs/>");
  const char* compType = pParams->queryProp("@compType");
  const char* name = pParams->queryProp(XML_ATTR_NAME);
  const char* newType = pParams->queryProp("@newType");
  const char* operation = req.getOperation();
  StringBuffer decodedParams( pParams->queryProp("@params") );
  decodedParams.replaceString("::", "\n");

  Owned<IProperties> pTopParams = createProperties();
  pTopParams->loadProps(decodedParams.str());

  StringBuffer buf("Software/Topology");

  for (int i = 3; i >= 0; i--)
  {
    StringBuffer sb;
    sb.appendf("inner%d_name", i);
    const char* sbName = pTopParams->queryProp(sb.str());

    if (sbName)
    {
      if (strstr(sbName, "EclCCServerProcess") == sbName ||
          strstr(sbName, "EclServerProcess") == sbName ||
          strstr(sbName, "EclAgentProcess") == sbName ||
          strstr(sbName, "EclSchedulerProcess") == sbName)
      {
        StringBuffer sbEcl(sbName);
        if (strstr(sbName, " - "))
          sbEcl.replaceString(" - ", "[@process='").append("']");
        else if (strstr(sbName, " -"))
          sbEcl.replaceString(" -", "[@process='").append("']");
        buf.append("/").append(sbEcl);
      }
      else if (strstr(sbName, "Cluster") == sbName)
      {
        StringBuffer sbCl(sbName);
        if (strstr(sbName, " - "))
          sbCl.replaceString(" - ", "[@name='").append("']");
        else if (strstr(sbName, " -"))
          sbCl.replaceString(" -", "[@name='").append("']");
        buf.append("/").append(sbCl);
      }
      else if (strstr(sbName, XML_TAG_THORCLUSTER) == sbName)
        buf.append("/ThorCluster");
      else if (strstr(sbName, XML_TAG_ROXIECLUSTER) == sbName)
        buf.append("/RoxieCluster");
      else if (buf.str()[buf.length() - 1] != ']')
        buf.appendf("[@%s='%s']", sbName, pTopParams->queryProp(sb.replaceString("_name", "_value").str()));
    }
  }

  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());

  if (!strcmp(operation, "Add"))
  {
    StringBuffer sbNewType(newType);

    if (!strcmp(newType, "EclCCServer"))
      sbNewType.clear().append(XML_TAG_ECLCCSERVERPROCESS);
    else if (!strcmp(newType, "EclServer"))
      sbNewType.clear().append(XML_TAG_ECLSERVERPROCESS);
    else if (!strcmp(newType, "EclAgent"))
      sbNewType.clear().append(XML_TAG_ECLAGENTPROCESS);
    else if (!strcmp(newType, "EclScheduler"))
      sbNewType.clear().append(XML_TAG_ECLSCHEDULERPROCESS);
    else if (!strcmp(newType, "Thor"))
      sbNewType.clear().append(XML_TAG_THORCLUSTER);
    else if (!strcmp(newType, "Roxie"))
      sbNewType.clear().append(XML_TAG_ROXIECLUSTER);

    IPropertyTree* pNode = createPTree(sbNewType.str());

    if (!strcmp(sbNewType.str(), XML_TAG_ECLCCSERVERPROCESS) ||
      !strcmp(sbNewType.str(), XML_TAG_ECLSERVERPROCESS) ||
      !strcmp(sbNewType.str(), XML_TAG_ECLAGENTPROCESS) ||
      !strcmp(sbNewType.str(), XML_TAG_ECLSCHEDULERPROCESS) ||
      !strcmp(sbNewType.str(), XML_TAG_THORCLUSTER) ||
      !strcmp(sbNewType.str(), XML_TAG_ROXIECLUSTER))
      pNode->addProp(XML_ATTR_PROCESS, "");
    else if (!strcmp(sbNewType.str(), XML_TAG_CLUSTER))
    {
      pNode->addProp(XML_ATTR_NAME, "");
      pNode->addProp(XML_ATTR_PREFIX, "");
    }

    IPropertyTree* pTopology = pEnvRoot->queryPropTree(buf.str());
    if (pTopology)
      pTopology->addPropTree(sbNewType.str(), pNode);

    resp.setStatus("true");
  }
  else if (!strcmp(operation, "Delete"))
  {
    String sParent(buf.str());
    StringBuffer sbParent(XML_TAG_SOFTWARE"/"XML_TAG_TOPOLOGY);
    int idx = sParent.lastIndexOf('/');

    if (idx > 0)
    {
      String* tmpstr = sParent.substring(0, idx);
      sbParent.clear().append(*tmpstr);
      delete tmpstr;
    }

    IPropertyTree* pTopology = pEnvRoot->queryPropTree(sbParent);
    IPropertyTree* pDel = pEnvRoot->queryPropTree(buf.str());
    
    if (pTopology && pDel)
      pTopology->removeTree(pDel);
    resp.setStatus("true");
  }

  return true;
}

bool CWsDeployFileInfo::handleThorTopology(IEspContext &context, IEspHandleThorTopologyRequest &req, IEspHandleThorTopologyResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* xmlArg = req.getXmlArgs();
  const char* operation = req.getOperation();

  StringBuffer xpath;
  StringBuffer sMsg;
  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());

  bool retVal = handleThorTopologyOp(pEnvRoot, operation, xmlArg, sMsg);
  resp.setStatus(retVal? "true" : sMsg.str());

  return true;
}


bool CWsDeployFileInfo::handleRows(IEspContext &context, IEspHandleRowsRequest &req, IEspHandleRowsResponse &resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  const char* xmlArg = req.getXmlArgs();
  Owned<IPropertyTree> pParams = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<XmlArgs/>");
  const char* buildSet = pParams->queryProp(XML_ATTR_BUILDSET);
  const char* name = pParams->queryProp("@compName");
  const char* rowType = pParams->queryProp("@rowType");
  const char* operation = req.getOperation();
  StringBuffer sbNewName;
  StringBuffer xpath;
  Owned<IPropertyTreeIterator> buildSetIter;
  IPropertyTree* pBuildSet = NULL;
  const char* buildSetName = NULL;
  const char* processName = NULL;

  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());
  if (strcmp(name, "Directories"))
  {
    xpath.appendf("./Programs/Build/BuildSet[@name=\"%s\"]", buildSet);
    buildSetIter.setown(pEnvRoot->getElements(xpath.str()));
    buildSetIter->first();
    pBuildSet = &buildSetIter->query();
    buildSetName = pBuildSet->queryProp(XML_ATTR_NAME);
    processName = pBuildSet->queryProp(XML_ATTR_PROCESS_NAME);
  }

  StringBuffer buildSetPath;
  Owned<IPropertyTree> pSchema = loadSchema(pEnvRoot->queryPropTree("./Programs/Build[1]"), pBuildSet, buildSetPath, m_Environment);
  IPropertyTree* pCompTree = generateTreeFromXsd(pEnvRoot, pSchema, processName, buildSetName, m_pService->getCfg(), m_pService->getName());

  if (!strcmp(operation, "Add"))
  {
    if (!strcmp(name, "Directories"))
    {
      xpath.clear().appendf("Software/Directories/Category[@name='%s']", rowType);
      IPropertyTree* pCat = pEnvRoot->queryPropTree(xpath.str());
      if (pCat)
      {
        IPropertyTree* pOver = pCat->queryPropTree("Override[@component=''][@dir=''][@instance='']");
        if (!pOver)
        {
          pOver = pCat->addPropTree("Override", createPTree());
          pOver->addProp("@component", "");
          pOver->addProp("@dir", "");
          pOver->addProp("@instance", "");
        }
      }
    }
    else
    {
      xpath.clear().appendf("./Software/%s[@name='%s']", processName, name);
      Owned<IPropertyTreeIterator> rows = pParams->getElements("Row");
      bool flag = false;

      ForEach (*rows)
      {
        flag = true;
        IPropertyTree* pRow = &rows->query();
        const char* params = pRow->queryProp("@params");

        StringBuffer decodedParams(params);
        decodedParams.replaceString("::", "\n");

        Owned<IProperties> pParams = createProperties();
        pParams->loadProps(decodedParams.str());

        const char* pszCompType = pParams->queryProp("pcType");
        const char* pszCompName = pParams->queryProp("pcName");
        const char* pszSubType = pParams->queryProp("subType");
        const char* pszSubTypeKey = pParams->queryProp("subTypeKey");
        StringBuffer sbParent;

        if (pszSubType && *pszSubType)
        {
          String subType(pszSubType);

          int idx = subType.lastIndexOf('/');
          if (idx > 0)
          {
            String* tmpstr = subType.substring(0, idx);
            xpath.append("/").append(*tmpstr);
            sbParent.append(*tmpstr);
            delete tmpstr;
          }
          else
          {
            xpath.append("/").append(pszSubType);
            sbParent.append(pszSubType);

            if (pszSubTypeKey && *pszSubTypeKey)
              xpath.append(pszSubTypeKey);
          }
        }

        IPropertyTree* pComponent = pEnvRoot->queryPropTree(xpath.str());   
        IPropertyTree* pCompTree = generateTreeFromXsd(pEnvRoot, pSchema, processName, buildSetName, m_pService->getCfg(), m_pService->getName());
        StringBuffer sb(rowType);

        if (!strncmp(sb.str(), "_", 1))
          sb.remove(0, 1);
        
        StringBuffer s;
        s.appendf("xs:element//*[@name=\"%s\"]//*[@name=\"%s\"]//xs:attribute[@name='name']", sbParent.str(), rowType);
        IPropertyTree* pt = pSchema->queryPropTree(s.str());
        
        if (pt && pt->hasProp("@type"))
        {
          const char* px = pt->queryProp("@type");
          if (!strcmp(px, "xs:string"))
          {
            StringBuffer sbNewName(rowType);
            xpath.clear().appendf("%s[@name='%s']/%s", processName, name, sbParent.str());

            getUniqueName(pEnvRoot, sbNewName, xpath.str(), XML_TAG_SOFTWARE);
            pCompTree->setProp(sb.str(), sbNewName);
            resp.setCompName(sbNewName);
          }
        }

        if (pComponent && pCompTree)
          pComponent->addPropTree(rowType, pCompTree->queryPropTree(rowType));

        //If we are adding, just consider the first selection.
        break;
      }

      if (!flag)
      {
        if (pCompTree->queryPropTree(rowType))
        {
          if (strcmp(rowType, "Notes"))
          {
            StringBuffer sbNewName(rowType);
            xpath.clear().appendf("%s[@name]", rowType);
            if (pCompTree->hasProp(xpath.str()))
            {
              xpath.clear().appendf("%s[@name='%s']/%s", processName, name, rowType);
              getUniqueName(pEnvRoot, sbNewName, xpath.str(), XML_TAG_SOFTWARE);
            
              pCompTree->queryPropTree(rowType)->setProp(XML_ATTR_NAME, sbNewName);
              resp.setCompName(sbNewName.str());
            }
          }
          else
          {
            IPropertyTree* pNotes = pCompTree->queryPropTree(rowType);
            if (pNotes->hasProp("@computer"))
              pNotes->setProp("@computer", m_userIp.str());
            if (pNotes->hasProp("@user"))
              pNotes->setProp("@user", "");
            if (pNotes->hasProp("@date"))
            {
              CDateTime dt;
              StringBuffer tmp;
              dt.setNow();
              tmp.clear();

              unsigned mo, da, yr;
              dt.getDate(yr, mo, da, true);
              tmp.appendf("%d/%d/%d ", mo, da, yr);
              dt.getTimeString(tmp, true);
              pNotes->setProp("@date", tmp.str());
              resp.setCompName(tmp.str());
            }
          }

          xpath.clear().appendf("./Software/%s[@name='%s']", processName, name);
          IPropertyTree* pComponent = pEnvRoot->queryPropTree(xpath.str());
          if (pComponent)
            pComponent->addPropTree(rowType, pCompTree->queryPropTree(rowType));
        }
      }
    }
    resp.setStatus("true");
  }
  else if (!strcmp(operation, "Delete"))
  {
    if (!strcmp(name, "Directories"))
      xpath.clear().appendf("./Software/Directories/Category[@name='%s']", rowType);
    else
      xpath.clear().appendf("./Software/%s[@name='%s']", processName, name);
    
    IPropertyTree* pComponent = pEnvRoot->queryPropTree(xpath.str());
    Owned<IPropertyTreeIterator> iterRows = pParams->getElements("Row");
    ForEach (*iterRows)
    {
      IPropertyTree* pRow = &iterRows->query();
      const char* rowName = pRow->queryProp("@rowName");
      if (!strcmp(name, "Directories"))
      {
        const char* compType = pRow->queryProp("@compType");
        xpath.clear().appendf("Override[@component='%s'][@instance='%s']", compType, rowName);
      }
      else
      {
        if (!strcmp(rowType, "Notes"))
        {
          const char* rowDate = pRow->queryProp("@rowDate");
          if (!rowDate || !*rowDate)
            continue;
          xpath.clear().appendf("%s[@date='%s']", rowType, rowDate);
        }
        else if (rowName && *rowName)
          xpath.clear().appendf("%s[@name='%s']", rowType, rowName);
        else 
        {
          const char* params = pRow->queryProp("@params");
          StringBuffer decodedParams(params);
          decodedParams.replaceString("::", "\n");

          Owned<IProperties> pParams = createProperties();
          pParams->loadProps(decodedParams.str());

          const char* pszCompType = pParams->queryProp("pcType");
          const char* pszCompName = pParams->queryProp("pcName");
          const char* pszSubType = pParams->queryProp("subType");
          const char* pszSubTypeKey = pParams->queryProp("subTypeKey");
          StringBuffer sbParent;

          if (pszSubType && *pszSubType)
          {
            String subType(pszSubType);

            xpath.clear().append(pszSubType);

            if (pszSubTypeKey && *pszSubTypeKey)
              xpath.append(pszSubTypeKey);
          }
        }
      }

      if (pComponent)
        pComponent->removeTree(pComponent->queryPropTree(xpath.str()));
    }
    
    resp.setCompName("");
    resp.setStatus("true");
  }

  return true;
}

IPropertyTree* CWsDeployFileInfo::findComponentForFolder(IPropertyTree* pFolder, IPropertyTree* pEnvSoftware)
{
  //Folder's @params has string of the form:
  //"comp=EspProcess&name=esp&inst=s1&computer=2wd20"
  //
  StringBuffer decodedParams( pFolder->queryProp("@params") );
  decodedParams.replace('&', '\n');

  Owned<IProperties> pParams = createProperties();
  pParams->loadProps(decodedParams.str());

  const char* comp = pParams->queryProp("comp");
  const char* name = pParams->queryProp("name");

  if (!(comp && *comp && name && *name))
    throw MakeStringException(-1, "Invalid parameters");

  StringBuffer xpath;
  xpath.appendf("%s[@name='%s']", comp, name);

  IPropertyTree* pComp = pEnvSoftware->queryPropTree(xpath.str());
  if (!pComp)
    throw MakeStringException(-1, "No such component in environment: '%s' named '%s'.", comp, name);

  return pComp;
}

void CWsDeployFileInfo::addDeployableComponentAndInstances(IPropertyTree* pEnvRoot, IPropertyTree* pComp,
                                                     IPropertyTree* pDst,       IPropertyTree* pFolder,
                                                     const char* displayType)
{
  const char* comp = pComp->queryName();
  const char* name = pComp->queryProp(XML_ATTR_NAME);

  if (!name || !*name)
    throw MakeStringException(-1, "The environment has an incomplete definition for a '%s'!", comp);

  const char* build= pComp->queryProp(XML_ATTR_BUILD);
  const char* buildSet= pComp->queryProp(XML_ATTR_BUILDSET);

  if (!build || !*build)
    throw MakeStringException(-1, "%s '%s' does not have any build defined!", comp, name);

  if (!buildSet || !*buildSet)
    throw MakeStringException(-1, "%s '%s' does not have any build set defined!", comp, name);

  StringBuffer xpath;
  xpath.appendf("Programs/Build[@name='%s']/BuildSet[@name='%s']", build, buildSet);
  IPropertyTree* pBuildSetNode = pEnvRoot->queryPropTree(xpath.str());
  if (!pBuildSetNode)
    throw MakeStringException(-1, "Build %s or build set %s is not defined!", build, buildSet);

  const char* deployable = pBuildSetNode->queryProp("@deployable");
  if (!deployable || (0!=strcmp(deployable, "no") && 0!=strcmp(deployable, "false")))
  { 
    char achDisplayType[132];//long enough to hold any expanded type whatsoever
    if (!displayType)
    {
      GetDisplayProcessName(pComp->queryName(), achDisplayType);
      displayType = achDisplayType;
    }

    const bool bDeployAllInstances = !pFolder || pFolder->getPropBool("@selected", false);
    if (bDeployAllInstances)
    {
      //add its instances
      Owned<IPropertyTreeIterator> iInst = pComp->getElements("*"); 
      ForEach(*iInst)
      {
        IPropertyTree* pInstance = &iInst->query();
        const char* instType = pInstance->queryName();

        if (instType && (!strcmp(instType, XML_TAG_INSTANCE) || !strcmp(instType, XML_TAG_ROXIE_SERVER)))
        {
          const char* instName = pInstance->queryProp(XML_ATTR_NAME);
          const char* computer = pInstance->queryProp(XML_ATTR_COMPUTER);

          if (instName && *instName && computer && *computer)
            addInstance(pDst,  comp, displayType, name, build, instType, instName, computer);
        }
      }//ForEach(*iInst)
    }
    else
    {
      //pFolder exists and is not selected so deploy selected instances
      Owned<IPropertyTreeIterator> iLink = pFolder->getElements("*[@selected='true']");
      ForEach(*iLink)
      {
        IPropertyTree* pLink = &iLink->query();
        const char* params = pLink->queryProp("@params");
        if (params)
        {
          // pFolder's @params has string of the form: "comp=EspProcess&amp;name=esp&amp;instType=Instance&amp;inst=s1&amp;computer=2wd20"
          //
          StringBuffer decodedParams( params );
          decodedParams.replace('&', '\n');

          Owned<IProperties> pParams = createProperties();
          pParams->loadProps( decodedParams.str() );

          const char* instType = pParams->queryProp("instType");
          const char* instName = pParams->queryProp("inst");
          const char* computer = pParams->queryProp(TAG_COMPUTER);

          if (instType && *instType && instName && *instName && computer && *computer)
          {
            StringBuffer xpath;
            xpath.appendf("%s[@name='%s']", instType, instName);

            IPropertyTree* pInstNode = pComp->queryPropTree(xpath.str());

            if (!pInstNode)
              throw MakeStringException(-1, "%s '%s' does not have any '%s' named %s!", displayType, comp, instType, instName);

            addInstance(pDst,  comp, displayType, name, build, instType, instName, computer);
          }
        }
      }
    }
  }
}


void CWsDeployFileInfo::addInstance(IPropertyTree* pDst,  const char* comp, const char* displayType, 
                              const char* compName, const char* build, const char* instType, 
                              const char* instName, const char* computer)
{
  IPropertyTree* pCompNode = pDst->addPropTree( XML_TAG_COMPONENT, createPTree() );
  pCompNode->addProp("Type",                comp);
  pCompNode->addProp("DisplayType", displayType);   
  pCompNode->addProp("Name",                compName);
  pCompNode->addProp("Build",           build);

  pCompNode->addProp("InstanceType",    instType);
  pCompNode->addProp("Instance",        instName);
  pCompNode->addProp("Computer",        computer);
}

//---------------------------------------------------------------------------
//  GetDisplayProcessName
//---------------------------------------------------------------------------
const char* CWsDeployFileInfo::GetDisplayProcessName(const char* processName, char* buf) const
{
  //produces "LDAPServerProcess" as "LDAP Server" and "EspService" as "Esp Service", etc.
  if (!strcmp(processName, XML_TAG_ESPPROCESS))
    return strcpy(buf, "ESP Server");
  else
  {
    const char* begin = buf;
    const char* end = strstr(processName, "Process");
    if (!end)
      end = processName + strlen(processName);

    *buf++ = *processName++;
    bool bLower = false;

    while (processName < end)
    {
      char ch = *processName;
      if (isupper(ch))
      {
        if (bLower || //last char was uppercase or the following character is lowercase?
          ((processName+1 < end) && islower(*(processName+1))))
        {
          *buf++ = ' ';
        }

        bLower = false;
      }
      else
        bLower = true;

      *buf++ = *processName++;
    }
    *buf = '\0';
    return begin;
  }
}

void CWsDeployFileInfo::updateConfigFromFile()
{
  StringBuffer sbxml;

  synchronized block(m_mutex);

  if (m_pFileIO.get() != NULL)
  {
    m_pFileIO.clear();
  }
  if (m_lastSaved.isNull())
  {
    m_lastSaved.setNow();
  }

  m_pFileIO.setown(m_pFile->open(IFOread));
  Owned <IPropertyTree> pTree = createPTree(*m_pFileIO);
  toXML(pTree, sbxml.clear());

  Owned<IEnvironmentFactory> factory = getEnvironmentFactory();

  m_constEnvRdOnly.clear();
  m_constEnvRdOnly.setown(factory->loadLocalEnvironment(sbxml.str()));
  m_lastSaved.clear();
  m_lastSaved.setNow();
}

bool CWsDeployFileInfo::deploy(IEspContext &context, IEspDeployRequest& req, IEspDeployResponse& resp)
{
  synchronized block(m_mutex);
  checkForRefresh(context, &req.getReqInfo(), true);

  resp.setComponent("WsDeploy");
  resp.setCommand("Deploy");

  StringBuffer deployResult;
  IConstDeployInfo& depInfo = req.getDeploy();
  IArrayOf<IConstComponent>& components = depInfo.getComponents();
  unsigned int nComps = components.ordinality();
  if (nComps == 0)
  {
    resp.setStatus( "Please select at least one component to deploy!" );
    CDeployOptions& depOptions = dynamic_cast<CDeployOptions&>( depInfo.getOptions() );
    depOptions.serializeStruct(&context,deployResult, "Options");
  }
  else
  {
    CWsDeployEngine depEngine(*m_pService, req.getDeploy(),&context);
    depEngine.deploy();

    Owned<IPropertyTree> pDeployResult = depEngine.getDeployResult();
    IPropertyTree* pComponents = pDeployResult->queryPropTree("Components");

    toXML(pComponents, deployResult, false);

    IPropertyTree* pOptions = pDeployResult->queryPropTree("Options");
    toXML(pOptions, deployResult, false);

    resp.setStatus( depEngine.getDeployStatus() );
  }
  resp.setDeploy( deployResult.str() );
  return true;
}

bool CWsDeployExCE::onInit(IEspContext &context, IEspEmptyRequest& req, IEspInitResponse& resp)
{
  resp.setComponent("WsDeploy");
  resp.setCommand("Init");
  return true;
}

//the following method must be called with ownership of m_mutex
//
void CWsDeployFileInfo::generateGraph(IEspContext &context, IConstWsDeployReqInfo *reqInfo)
{
  {
    synchronized block(m_mutex);
    checkForRefresh(context, reqInfo, true);
  }

  if (!m_pEnvXml)
  {
    Owned<IPropertyTree> pEnvTree = getEnvTree(context, reqInfo);

    m_pEnvXml.set(new SCMStringBuffer());
    toXML(pEnvTree, m_pEnvXml->s, false);
  }

  m_pGraphXml.set(new SCMStringBuffer());
  xsltTransform(m_pEnvXml->str(), StringBuffer(getCFD()).append("xslt/graph_env.xslt").str(), NULL, m_pGraphXml->s);
}

//---------------------------------------------------------------------------
//  onGraph
//---------------------------------------------------------------------------
bool CWsDeployFileInfo::graph(IEspContext &context, IEspEmptyRequest& req, IEspGraphResponse& resp)
{
  synchronized block(m_mutex);

  if (!m_pGraphXml)
    generateGraph(context, NULL);
  resp.setGraphContainer(m_pGraphXml->str());
  return true;
}

void CWsDeployFileInfo::getNavigationData(IEspContext &context, IPropertyTree* pData)
{
  try 
  { 
    synchronized block(m_mutex);

    if (m_envFile.length())
    {
      if (!m_userWithLock.length())
      {
        context.getUserID(m_userWithLock);
        context.getPeer(m_userIp);
      }
      else
      {
        StringBuffer sbName, sbUserIp;
        context.getUserID(sbName);
        context.getPeer(sbUserIp);
        if (strcmp(sbName.str(), m_userWithLock.str()) || strcmp(sbUserIp.str(), m_userIp.str()))
          throw MakeStringException(-1, "A user on machine %s is accessing the file. Please try again later.", m_userIp.str());
      }

      initFileInfo(false);
    }

    if (!m_pNavTree)
    {
      if (!m_pEnvXml)
      {
        Owned<IPropertyTree> pEnvTree = getEnvTree(context, NULL);
        m_pEnvXml.set(new SCMStringBuffer());
        toXML(pEnvTree, m_pEnvXml->s, false);
      }

      m_pNavTree.setown(getEnvTree(context, NULL));
    }
    pData->setProp("@viewType", "tree");
    mergePTree(pData, m_pNavTree);
  }
  catch(IException*e)
  {
    StringBuffer sErrMsg;
    e->errorMessage(sErrMsg);
    e->Release();
  }
  catch(...)
  {
  }
}

void CWsDeployFileInfo::saveEnvironment(IEspContext* pContext, IConstWsDeployReqInfo *reqInfo, StringBuffer& errMsg, bool saveAs)
{
  if (m_envFile.length())
  {
    Owned<IPropertyTree> pEnvRoot;
    StringBuffer valerrs;

    try
    {
      if (!saveAs || (saveAs && m_Environment))
      {
        pEnvRoot.setown(&m_Environment->getPTree());
        validateEnv((IConstEnvironment*)m_Environment, false);
      }
      else if (saveAs)
      {
        pEnvRoot.setown(&m_constEnvRdOnly->getPTree());
        validateEnv(m_constEnvRdOnly, false);
      }
    }
    catch(IException* e)
    {
      e->errorMessage(valerrs);
      e->Release();
    }

    //save and write to backup
    StringBuffer sXML;
    StringBuffer tmp;
    StringBuffer dtStr;
    CDateTime dt;

    dt.setNow();
    dt.getString(tmp.clear());
    sXML.appendf("<"XML_HEADER">\n<!-- Edited with ConfigMgr on ip %s on %s -->\n", m_userIp.str(), tmp.str()); 
    toXML(pEnvRoot, sXML, 0, XML_SortTags | XML_Format);

    if (m_bCloud && pContext)
    {
      StringBuffer sbName, sbUserIp, sbMsg;
      if (reqInfo)
        sbName.clear().append(reqInfo->getUserId());
      pContext->getPeer(sbUserIp);
      CCloudActionHandler saveCloud(this, CLOUD_SAVE_ENV, CLOUD_ROLLBACK_ENV, sbName.str(), "8015", NULL);
      StringBuffer tick;
      tick.appendf("%d", msTick());
      saveCloud.setSaveActionParams(sXML.str(), tick.str());
      bool ret = saveCloud.start(sbMsg);

      if (!ret || sbMsg.length())
        throw MakeStringException(0, "Environment could not be successfully saved. Reason(s):\n%s", sbMsg.str());
    }

    try
    {
      if (m_pFile.get())
      {
        StringBuffer sb;
        if (!checkDirExists(m_pService->getBackupDir()))
          recursiveCreateDirectory(m_pService->getBackupDir());

        while(true)
        {
          String strEnvFile(m_envFile);
          int idx = strEnvFile.lastIndexOf('/');
          if (idx <= 0)
            idx = strEnvFile.lastIndexOf('\\');
          
          String* tmpstr = strEnvFile.substring(idx+1);
          sb.clear().append(m_pService->getBackupDir()).append(PATHSEPCHAR).append(*tmpstr);
          delete tmpstr;
          dt.setNow();
          tmp.clear();
          dtStr.clear();
          dt.getDateString(tmp, true);
          tmp.append("_");
          dt.getTimeString(tmp, true);
          dtStr.append(".").append(tmp);
          dtStr.replaceString("-","_");
          dtStr.replaceString(":","_");
          
          String ext(sb);
          idx = ext.lastIndexOf(PATHSEPCHAR);
          if(ext.indexOf('.', idx > 0 ? idx : 0) != -1)
            sb.insert(ext.lastIndexOf('.'), dtStr.str());
          else
            sb.append(dtStr.str());

          if (checkFileExists(sb))
            continue;
          else
          {
            Owned<IFile> pFile(createIFile(sb.str()));
            setSkipNotification(true);
            copyFile(pFile, m_pFile, 0x100000);
            break;
          }
        }
      }
    }
    catch(IException* e)
    {
      //ignore any attempts to create the backup
      e->Release();
    }

    if (!m_pFile.get())
      m_pFile.setown(createIFile(m_envFile));

    m_pFileIO.clear();
    m_pFileIO.setown(m_pFile->open(IFOcreaterw));

    m_pFileIO->write(0, sXML.length(), sXML.str());
    m_lastSaved.clear();
    m_lastSaved.setNow();

    //reset the readonly tree
    Owned<IEnvironmentFactory> factory = getEnvironmentFactory();
    m_constEnvRdOnly.setown(factory->loadLocalEnvironment(sXML.str()));

    if (valerrs.length())
      errMsg.appendf("CWsDeployFileInfo::saveEnvironment:Save operation was successful. However the following exceptions were raised.\n%s", valerrs.str());
  }
  else
  {
    // JAKESMITH->SMEDA - apparently this code is legacy and can be deleted, please do + clearup related code if any
    try
    {
      m_Environment->commit();
      StringBuffer response;
      initClusterGroups(false, response, NULL);
      if (response.length())
        PROGLOG("CWsDeployFileInfo::saveEnvironment: %s", response.str());
    }
    catch (IException* e)
    {
      StringBuffer sErrMsg;
      e->errorMessage(sErrMsg);
      e->Release();         

      /*typical error message when lock fails is as follows:
      SDS: Lock timeout
      SDS Reply Error  : SDS: Lock timeout
      Failed to establish lock to NewEnvironment/
      Existing lock status: Locks on path: /NewEnvironment/
      Endpoint            |SessionId       |ConnectionId    |mode    

      172.16.48.175:7254  |c00000038       |c0000003b       |653     
      */

      //if we can extract IP address of computer holding the lock then
      //show a customized message.
      //
      //Retrieve IP address of computer holding the lock...
      char achHost[128] = "";
      const char* p = strstr(sErrMsg.str(), "\n\n");
      if (p && *(p+=2))
      {
        const char* q = strchr(p, ':');
        if (q)
        {
          const int len = q-p;
          strncpy(achHost, p, len);
          achHost[len] = '\0';
        }
      }

      //resolve hostname for this IP address
      unsigned int addr = inet_addr(achHost);
      struct hostent* hp = gethostbyaddr((const char*)&addr, sizeof(addr), AF_INET);

      if (hp)
        strcpy(achHost, hp->h_name);

      StringBuffer sMsg;
      sMsg.appendf("The environment definition in dali server "
        "could not be opened for write access");

      if (achHost[0])
        sMsg.appendf(" \nbecause it is locked by computer '%s'.", achHost);
      else
        sMsg.append(":\n\n").append(sErrMsg);

      throw MakeStringException(0, "%s", sMsg.str());
    }
  }

   CConfigFileMonitorThread::getInstance()->addObserver(*this);
}

void CWsDeployFileInfo::unlockEnvironment(IEspContext* context, IConstWsDeployReqInfo *reqInfo, const char* xmlArg, StringBuffer& sbErrMsg, bool saveEnv)
{
  if (m_bCloud)
  {
    StringBuffer sbMsg;
    Owned<IPropertyTree> pComputers = createPTreeFromXMLString(xmlArg);
    Owned<IPropertyTree> unlockComputers = createPTree("ComputerList");
    Owned<IPropertyTree> lockComputers = createPTree("ComputerList");
    Owned<IPropertyTreeIterator> iter;
    StringBuffer xpath;
    if (pComputers && pComputers->numChildren() && m_lockedNodesBeforeEnv.get() != NULL)
    {
      expandRange(pComputers);
      iter.setown(pComputers->getElements("Computer"));
      ForEach (*iter)
      {
        IPropertyTree* pComputer = &iter->query();
        xpath.clear().appendf(XML_TAG_COMPUTER"["XML_ATTR_NETADDRESS"='%s']", pComputer->queryProp(XML_ATTR_NETADDRESS));

        if (!m_lockedNodesBeforeEnv->queryPropTree(xpath.str()))
          lockComputers->addPropTree(XML_TAG_COMPUTER, createPTreeFromIPT(pComputer));
      }
    }

    if (!pComputers && m_lockedNodesBeforeEnv.get() != NULL)
      unlockComputers.set(m_lockedNodesBeforeEnv);
    else if (m_lockedNodesBeforeEnv.get() != NULL)
    {
      iter.setown(m_lockedNodesBeforeEnv->getElements("Computer"));
      ForEach (*iter)
      {
        IPropertyTree* pComputer = &iter->query();
        xpath.clear().appendf(XML_TAG_COMPUTER"["XML_ATTR_NETADDRESS"='%s']", pComputer->queryProp(XML_ATTR_NETADDRESS));

        if (!pComputers->queryPropTree(xpath.str()))
          unlockComputers->addPropTree(XML_TAG_COMPUTER, createPTreeFromIPT(pComputer));
      }
    }

    CCloudActionHandler unlockCloud(this, CLOUD_UNLOCK_ENV, CLOUD_NONE, m_userWithLock.str(), "8015", unlockComputers->numChildren() ? unlockComputers : NULL);
    bool ret = unlockCloud.start(sbMsg);

    if (!ret || sbMsg.length())
    {
      if (saveEnv)
        sbErrMsg.append("Save operation is successful. However, ");
      sbErrMsg.appendf("Write access to the Environment cannot be revoked. Reason(s):\n%s", sbMsg.str());
      return;
    }
    else 
    {
      Owned<IPropertyTreeIterator> iter = unlockComputers->getElements("Computer");
      StringBuffer xpath;
      ForEach (*iter)
      {
        IPropertyTree* pComputer = &iter->query();
        xpath.clear().appendf(XML_TAG_COMPUTER"["XML_ATTR_NETADDRESS"='%s']", pComputer->queryProp(XML_ATTR_NETADDRESS));

        IPropertyTree* pDelComputer = m_lockedNodesBeforeEnv->queryPropTree(xpath.str());
        m_lockedNodesBeforeEnv->removeTree(pDelComputer);
      }
    }
      
    if (lockComputers->numChildren())
    {
      CCloudActionHandler lockCloud(this, CLOUD_LOCK_ENV, CLOUD_NONE, m_userWithLock.str(), "8015", lockComputers);
      ret = lockCloud.start(sbMsg.clear());

      if (!ret || sbMsg.length())
      {
        if (saveEnv)
          sbErrMsg.append("Save operation is successful. However, ");
        sbErrMsg.appendf("Write access to the Environment could not be obtained. Reason(s):\n%s", sbMsg.str());
        return;
      }
    }
  }

  m_Environment.clear();

  StringBuffer sb(m_userWithLock);
  sb.append(m_userIp);

  CClientAliveThread* th = m_keepAliveHTable.getValue(sb.str());
  if (th)
  {
    th->Release();
    m_keepAliveHTable.remove(sb.str());
  }

  if (m_envFile.length() == 0)
  {
    Owned<IGroup> serverGroup = createIGroup(m_daliServer.str(), m_daliServerPort);

    if (!serverGroup)
      throw MakeStringException(0, "Could not instantiate IGroup");

    if (!initClientProcess(serverGroup, DCR_Config, 0, NULL, NULL, 10000))
      throw MakeStringException(0, "Could not initialize the client process");

    m_pSubscription.clear();
    m_pSubscription.setown( new CSdsSubscription(this) );
    Owned<IEnvironmentFactory> factory = getEnvironmentFactory();
    m_constEnvRdOnly.setown(factory->openEnvironment());
  }

  m_constEnvRdOnly->clearCache();
  m_userWithLock.clear();
  m_userIp.clear();

  Owned<IPropertyTree>  pNavTree(getEnvTree(*context, reqInfo));

  if (!areMatchingPTrees(pNavTree, m_pNavTree))
  {
    m_pEnvXml.clear();
    m_pGraphXml.clear();
    m_pNavTree.clear();
    m_pNavTree.setown(getEnvTree(*context, reqInfo));
  }
}

void CWsDeployFileInfo::checkForRefresh(IEspContext &context, IConstWsDeployReqInfo *reqInfo, bool checkWriteAccess)
{
  StringBuffer sbUser, sbIp;
  if (reqInfo)
    sbUser.clear().append(reqInfo->getUserId());
  context.getPeer(sbIp);

  if (checkWriteAccess)
  {
      if (!m_Environment || m_userWithLock.length() == 0 || m_userIp.length() == 0)
        throw MakeStringException(-1, "Cannot modify environment as it is currently in readonly mode");
      else if (m_userWithLock.length() != 0 && m_userIp.length() != 0 && (strcmp(m_userWithLock.str(), sbUser.str()) || strcmp(m_userIp.str(), sbIp.str())))
        throw MakeStringException(-1, "Cannot modify setting as environment is currently in use on machine '%s'", m_userIp.str());
  }
 
}

IPropertyTree* CWsDeployFileInfo::queryComputersForCloud()
{
  Owned<IPropertyTree> pEnvTree = m_Environment?&m_Environment->getPTree():&m_constEnvRdOnly->getPTree();
  return pEnvTree->queryPropTree(XML_TAG_HARDWARE);
}

void CCloudTaskThread::main()
{
  static Mutex m;
  m.lock();
  try
  {
    m_pTask->makeSoapCall();
  }
  catch(IException* e)
  {
    e->Release();
  }
  m.unlock();
}

CCloudTask* createCloudTask(CCloudActionHandler* pHandler, EnvAction eA, const char* ip)
{
  return new CCloudTask(pHandler, eA, ip);
}

bool CWsDeployFileInfo::updateEnvironment(const char* xml)
{
  if (!xml || !*xml)
    return false;

  Owned<IEnvironmentFactory> factory = getEnvironmentFactory();
  m_constEnvRdOnly.setown(factory->loadLocalEnvironment(xml));
  return true;
}

bool CWsDeployFileInfo::isLocked(StringBuffer& sbUser, StringBuffer& sbIp)
{
  if (m_userIp.length() != 0 && m_userWithLock.length() != 0)
  {
    sbUser.clear().append(m_userWithLock);
    sbIp.clear().append(m_userIp);
    return true;
  }

  return false;
}


bool CWsDeployFileInfo::buildEnvironment(IEspContext &context, IEspBuildEnvironmentRequest &req, IEspBuildEnvironmentResponse &resp)
{
  synchronized block(m_mutex);
  resp.setStatus("false");
  const char* xml =  req.getXmlArgs();
 
  StringBuffer sbName, sbUserIp, msg, envXml;
  sbName.clear().append(req.getReqInfo().getUserId());
  context.getPeer(sbUserIp);

  if(m_userWithLock.length() > 0)
  {
    if(!strcmp(sbName.str(), m_userWithLock.str()) || !strcmp(sbUserIp.str(), m_userIp.str()))
    { 
      buildEnvFromWizard(xml, m_pService->getName(), m_pService->getCfg(), envXml);
        if(envXml.length())
        {
          resp.setStatus("true");
          if(m_Environment != NULL)
          {
            m_Environment.clear();
          }
          Owned<IEnvironmentFactory> factory = getEnvironmentFactory();
          m_Environment.setown(factory->loadLocalEnvironment(envXml.str()));
        }
        else
          resp.setMessage("Failed to generated the environment xml for unknown reason");
    }
    else{
      sbName.append("Cannot generate environment, As environment is locked by ").append(m_userWithLock);
      resp.setMessage(sbName.str());
    }
  }
  else
   resp.setMessage("Environment has not been locked.");
  return true;
}

bool CWsDeployFileInfo::getSubnetIPAddr(IEspContext &context, IEspGetSubnetIPAddrRequest &req, IEspGetSubnetIPAddrResponse &resp)
{
  synchronized block(m_mutex);
  resp.setIPList("");
  resp.setMessage("");

  StringBuffer ipList, msg, script;
  StringBuffer xpath ;

  xpath.clear().appendf("Software/EspProcess/EspService[@name='%s']/LocalConfFile",m_pService->getName());

  const char* pConfFile = m_pService->getCfg()->queryProp(xpath.str());

  if( pConfFile && *pConfFile)
  {
      Owned<IProperties> pParams = createProperties(pConfFile);
      Owned<IPropertyIterator> iter = pParams->getIterator();
      pParams->getProp("autodetectipscript", script);
      if( script.length())
      {
          runScript(ipList, msg, script.str());
          if( ipList.length())
          {
            try {
                 ipList.replace('\n', ';');
                 validateIPS(ipList.str());
                 resp.setIPList(ipList);
            }
            catch(IException* e)
            {
               StringBuffer sb;
               e->errorMessage(sb);
               e->Release();
               resp.setMessage(sb.str());
            }
          }
          else if( msg.length())
          {
             resp.setMessage(msg);
          }
      }
      else
         resp.setMessage("Could not find the autodetectipscript entry in configmgr.conf");
   }
   else
       resp.setMessage("Unknown Exception. Could not get the List of IPAddresses"); 
  return true;
}

void CWsDeployFileInfo::CLockerAliveThread::main()
{
  while (!m_quitThread)
  {
    try
    {
      StringBuffer sbMsg;
      CCloudActionHandler checkLocker(this->m_pFileInfo, CLOUD_CHECK_LOCKER, CLOUD_NONE, m_user.str(), "8015", m_pComputers);
      bool ret = checkLocker.start(sbMsg);

      String str(sbMsg.str());
      if (str.startsWith("SOAP Connection error"))
      {
        m_pFileInfo->activeUserNotResponding();
        m_quitThread = true;
        break;
      }

      m_sem.wait(m_brokenConnTimeout);
    }
    catch(IException* e)
    {
      if (m_pFileInfo && m_quitThread != true)
        m_pFileInfo->activeUserNotResponding();

      m_quitThread = true;
      e->Release();
    }
  }
}

const char* getFnString(EnvAction ea)
{
    const char* ret = NULL;
    switch(ea)
    {
    case CLOUD_LOCK_ENV:
        ret = "LockEnvironmentForCloud";
        break;
    case CLOUD_UNLOCK_ENV:
        ret = "UnlockEnvironmentForCloud";
        break;
    case CLOUD_SAVE_ENV:
        ret = "SaveEnvironmentForCloud";
        break;
    case CLOUD_ROLLBACK_ENV:
        ret = "RollbackEnvironmentForCloud";
        break;
    case CLOUD_NOTIFY_INITSYSTEM:
        ret = "NotifyInitSystemSaveEnvForCloud";
        break;
    case CLOUD_CHECK_LOCKER:
        ret = "GetValue";
        break;
    }

    return ret;
}

bool CWsDeployFileInfo::getSummary(IEspContext &context, IEspGetSummaryRequest &req, IEspGetSummaryResponse &resp)
{
  synchronized block(m_mutex);
  StringBuffer respXmlStr;
  resp.setStatus("false");
  bool link = req.getPrepareLinkFlag();
  Owned<IPropertyTree> pEnvRoot = getEnvTree(context, &req.getReqInfo());
  ::getSummary(pEnvRoot, respXmlStr, link);
  if(respXmlStr.length())
  {
    resp.setStatus("true");
    resp.setXmlStr(respXmlStr.str());
  }
  return true;
}

void CWsDeployFileInfo::initFileInfo(bool createOrOverwrite)
{
  StringBuffer xpath;
  m_skipEnvUpdateFromNotification = false;
  m_activeUserNotResp = false;
  bool fileExists = true;
  StringBuffer sbxml;

  if (!checkFileExists(m_envFile) || createOrOverwrite)
  {
    fileExists = false;
    StringBuffer s("<?xml version=\"1.0\" encoding=\"UTF-8\"?><Environment></Environment>");
    Owned<IPropertyTree> pNewTree = createPTreeFromXMLString(s);

    if ( strlen(m_pService->m_configHelper.getBuildSetFilePath()) > 0 )
    {
        try
        {
          Owned<IPropertyTree> pDefBldSet = createPTreeFromXMLFile( m_pService->m_configHelper.getBuildSetFilePath() );
          pNewTree->addPropTree(XML_TAG_PROGRAMS, createPTreeFromIPT(pDefBldSet->queryPropTree("./Programs")));
          pNewTree->addPropTree(XML_TAG_SOFTWARE, createPTreeFromIPT(pDefBldSet->queryPropTree("./Software")));
        }
        catch(IException* e)
        {
          e->Release();
        }
    }

    if(!pNewTree->queryPropTree(XML_TAG_SOFTWARE))
    {
      pNewTree->addPropTree(XML_TAG_SOFTWARE, createPTree());
      pNewTree->addPropTree("./Software/Directories", createPTreeFromXMLString(DEFAULT_DIRECTORIES));
    }
    pNewTree->addPropTree(XML_TAG_HARDWARE, createPTree());

    if (!pNewTree->queryPropTree(XML_TAG_PROGRAMS))
      pNewTree->addPropTree(XML_TAG_PROGRAMS, createPTree());

    toXML(pNewTree, s.clear());
    sbxml.clear().append(s);

    if (createOrOverwrite)
    {
      if (m_pFileIO.get() != NULL)
        m_pFileIO.clear();

      if (m_pFile.get() != NULL)
      {
        m_pFile->remove();
        m_pFile.clear();
      }
      
      if (m_lastSaved.isNull())
        m_lastSaved.setNow();

      recursiveCreateDirectoryForFile(m_envFile);
      Owned<IFile> f = createIFile(m_envFile);
      Owned<IFileIO> fio = f->open(IFOcreaterw);
      fio->write(0,s.length(),s.str());
      fileExists = true;
    }
  }

  if (fileExists)
  {
    if (m_pFile.get() != NULL)
      m_pFile.clear();
    if (m_pFileIO.get() != NULL)
      m_pFileIO.clear();
    if (m_lastSaved.isNull())
      m_lastSaved.setNow();

    m_pFile.setown(createIFile(m_envFile));
    m_pFileIO.setown(m_pFile->open(IFOread));
  
    {
      Owned <IPropertyTree> pTree = createPTree(*m_pFileIO);
      toXML(pTree, sbxml.clear());
    }
  }

  Owned<IEnvironmentFactory> factory = getEnvironmentFactory();
  m_Environment.setown(factory->loadLocalEnvironment(sbxml.str()));

  //add env 
  bool modified = false;
  Owned<IPropertyTree> pEnvRoot = &m_Environment->getPTree();
  IPropertyTree* pSettings = pEnvRoot->queryPropTree(XML_TAG_ENVSETTINGS);

  if (!pSettings)
  {
    pSettings = pEnvRoot->addPropTree(XML_TAG_ENVSETTINGS, createPTree());
    modified = true;
  }

  xpath.clear().appendf("Software/EspProcess/EspService[@name='%s']/LocalEnvConfFile", m_pService->getName());
  const char* tmp = m_pService->getCfg()->queryProp(xpath.str());
  if (tmp && *tmp)
  {
    Owned<IProperties> pParams = createProperties(tmp);
    Owned<IPropertyIterator> iter = pParams->getIterator();

    ForEach(*iter)
    {
      StringBuffer prop;
      pParams->getProp(iter->getPropKey(), prop);
      const char* val = pSettings->queryProp(iter->getPropKey());

      if (!val || strcmp(val, prop.str()))
      {
        pSettings->setProp(iter->getPropKey(), prop.length() ? prop.str():"");
        modified = true;
      }
    }

    if (updateDirsWithConfSettings(pEnvRoot, pParams))
      modified = true;
  }

  try
  {
    StringBuffer err;
    if (modified && fileExists)
      saveEnvironment(NULL, NULL, err);
  }
  catch (IErrnoException* e)
  {
    //Don't ignore file access exceptions
    throw e;
  }
  catch(IException* e)
  {
    //ignore any exceptions at this point like validation errors e.t.c
    e->Release();
  }

  if (!fileExists)
    toXML(pEnvRoot, sbxml.clear());

  m_Environment.clear();

  if (m_constEnvRdOnly.get() == NULL)
  {
    if (fileExists)
    {
      sbxml.clear();
      Owned <IPropertyTree> pTree = createPTree(*m_pFileIO);
      toXML(pTree, sbxml);
    }

    m_constEnvRdOnly.setown(factory->loadLocalEnvironment(sbxml.str()));
  }
}

void CWsDeployFileInfo::CSdsSubscription::notify(SubscriptionId id, const char *xpath, SDSNotifyFlags flags, unsigned valueLen, const void *valueData)
{
  DBGLOG("Environment was updated by another client of Dali server.  Invalidating cache.\n");
  //if (id != sub_id)
  m_pFileInfo->environmentUpdated();
}

void CWsDeployExCE::getLastStarted(StringBuffer& sb) 
{ 
  synchronized block(m_mutexSrv);
  m_lastStarted.getString(sb);
}

CWsDeployFileInfo::~CWsDeployFileInfo()
{
  if (m_bCloud && m_userWithLock.length() && m_userIp.length())
  {
    StringBuffer sbMsg;
    CCloudActionHandler unlockCloud(this, CLOUD_UNLOCK_ENV, CLOUD_NONE, m_userWithLock.str(), "8015", m_lockedNodesBeforeEnv.get()? m_lockedNodesBeforeEnv.get(): NULL);
    unlockCloud.start(sbMsg);
  }

  CWsDeployFileInfo::CConfigFileMonitorThread::getInstance()->removeObserver(*this);
  m_pNavTree.clear();
  m_pGraphXml.clear();
  m_Environment.clear();
  m_constEnvRdOnly.clear();
  m_pSubscription.clear();
  m_pEnvXml.clear();
  m_pFile.clear();
  m_pFileIO.clear();
  m_lockedNodesBeforeEnv.clear();
  m_pGenJSFactoryThread.clear();
  m_keepAliveHTable.kill();
}

bool CWsDeployEx::onNavMenuEvent(IEspContext &context, 
                                 IEspNavMenuEventRequest &req, 
                                 IEspNavMenuEventResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName(), true);
  const char* cmd = req.getCmd();

  if (!strcmp(cmd, "ValidateEnvironment") || !strcmp(cmd, "SaveEnvironment") || !strcmp(cmd, "SaveEnvironmentAs"))
  {
    synchronized block(m_mutexSrv);
    return fi->navMenuEvent(context, req, resp);
  }
  else
    return fi->navMenuEvent(context, req, resp);
}

bool CWsDeployEx::onSaveSetting(IEspContext &context, IEspSaveSettingRequest &req, IEspSaveSettingResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName(), true);
  return fi->saveSetting(context, req, resp);
}

bool CWsDeployEx::onGetNavTreeDefn(IEspContext &context, IEspGetNavTreeDefnRequest &req, IEspGetNavTreeDefnResponse &resp)
{
  const char* xmlArg = req.getXmlArgs();
  StringBuffer decodedParams(xmlArg);
  decodedParams.replaceString("::", "\n");
  Owned<IProperties> pParams = createProperties();
  pParams->loadProps(decodedParams.str());
  const char* create = pParams->queryProp("createFile");

  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName(), true, create && *create ? true : false);
  return fi->getNavTreeDefn(context, req, resp);
}

bool CWsDeployEx::onLockEnvironmentForCloud(IEspContext &context, IEspLockEnvironmentForCloudRequest &req, IEspLockEnvironmentForCloudResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->lockEnvironmentForCloud(context, req, resp);
}

bool CWsDeployEx::onUnlockEnvironmentForCloud(IEspContext &context, IEspUnlockEnvironmentForCloudRequest &req, IEspUnlockEnvironmentForCloudResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->unlockEnvironmentForCloud(context, req, resp);
}

bool CWsDeployEx::onSaveEnvironmentForCloud(IEspContext &context, IEspSaveEnvironmentForCloudRequest &req, IEspSaveEnvironmentForCloudResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->saveEnvironmentForCloud(context, req, resp);
}

bool CWsDeployEx::onRollbackEnvironmentForCloud(IEspContext &context, IEspRollbackEnvironmentForCloudRequest &req, IEspRollbackEnvironmentForCloudResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->rollbackEnvironmentForCloud(context, req, resp);
}

bool CWsDeployEx::onNotifyInitSystemSaveEnvForCloud(IEspContext &context, IEspNotifyInitSystemSaveEnvForCloudRequest &req, IEspNotifyInitSystemSaveEnvForCloudResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->notifyInitSystemSaveEnvForCloud(context, req, resp);
}

bool CWsDeployExCE::onGetValue(IEspContext &context, IEspGetValueRequest &req, IEspGetValueResponse &resp)
{
  //Check for common properties here
  StringBuffer decodedParams(req.getParams());

  if (decodedParams.length() == 0)
  {
    resp.setReqValue("");
    resp.setStatus("true");
    return true;
  }

  decodedParams.replaceString("::", "\n");

  Owned<IProperties> pParams = createProperties();
  pParams->loadProps(decodedParams.str());
  const char* pszQueryType = pParams->queryProp("queryType");
  const char* pszparams = pParams->queryProp("params");
  const char* pszAttrValue = pParams->queryProp("attrValue");
  StringBuffer xpath;
  const char* pszValue = NULL;
  StringBuffer sbMultiple;

  bool allHandled = true;

  if (pszQueryType && !strcmp(pszQueryType, "customType"))
  {
    sbMultiple.clear();
    if(pszparams && *pszparams)
    {
      StringArray sArray;
      DelimToStringArray(pszparams, sArray, ",");
      for(unsigned i = 0; i < sArray.ordinality() ; i++)
      {
        if(!strcmp(sArray.item(i), "environment"))
        {
          xpath.clear().appendf("Software/EspProcess/EspService[@name='%s']/LocalEnvFile", getName());
          const char* pEnvFile = getCfg()->queryProp(xpath.str());
          if (pEnvFile && *pEnvFile)
          {
            if (checkFileExists(pEnvFile))
              sbMultiple.append(sArray.item(i)).append("=true");
            else
              sbMultiple.append(sArray.item(i)).append("=false");

            if(sbMultiple.length())
             sbMultiple.append(",");
          }
        }
        else if(!strcmp(sArray.item(i), "username"))
        {
          StringBuffer sbName;
          sbName.clear().append(msTick());
          sbMultiple.append(sArray.item(i)).append("=").append(sbName);
    
          if(sbMultiple.length())
            sbMultiple.append(",");
        }
        else if(!strcmp(sArray.item(i), "defenvfile"))
        {
          if (strstr(m_envFile.str(), m_sourceDir.str()))
          {
            StringBuffer sb(m_envFile.str() + m_sourceDir.length() + 1);
            sbMultiple.append(sArray.item(i)).append("=").append(sb.str());

            if(sbMultiple.length())
              sbMultiple.append(",");
          }
        }
        else if(!strcmp(sArray.item(i), "checklock"))
        {
          //StringBuffer sb(m_sourceDir);
          //if (sb.charAt[sb.length() - 1] != PATHSEPCHAR)
          //  sb.append(PATHSEPCHAR);
          //sb.append(req.getFileName());
          //if (checkFileExists(sb.str()))
            allHandled = false;
        }
        else if(!strcmp(sArray.item(i), "encryptpassword"))
        {
          if(pszAttrValue && *pszAttrValue)
          {
            StringArray sArray;
            DelimToStringArray(pszAttrValue, sArray, ",");
            ForEachItemIn(x, sArray)
            {
              StringBuffer encryptedPasswd ;
              encrypt(encryptedPasswd , sArray.item(x));
              sbMultiple.append(encryptedPasswd.str()); 
                if(sbMultiple.length())
                 sbMultiple.append(",");
            }
          }
        }
        else if(!strcmp(sArray.item(i), "lastsaved"))
        {
          allHandled = false;
        }
        else if(!strcmp(sArray.item(i), "laststarted"))
        {
          StringBuffer lastStarted;
          getLastStarted(lastStarted);
          if(lastStarted.length())
            sbMultiple.append(sArray.item(i)).append("=").append(lastStarted);
          else
            sbMultiple.append(sArray.item(i)).append("=''");

          if(sbMultiple.length())
               sbMultiple.append(",");
        }
        else if(!strcmp(sArray.item(i), "wizops"))
        {
          StringBuffer sbOps;
          this->getWizOptions(sbOps);
          sbMultiple.append(sArray.item(i)).append("=").append(sbOps);
    
          if(sbMultiple.length())
            sbMultiple.append(",");
        }
      }
    }
    pszValue = sbMultiple.str();
  }
  else if (pszQueryType && !strcmp(pszQueryType, "sourceEnvironments"))
  {
    sbMultiple.clear();
    Owned<IFile> pDir = createIFile(getSourceDir());

    StringBuffer activeConfig_md5sum, config_md5sum;
    md5_filesum(STANDARD_CONFIG_STAGED_PATH, activeConfig_md5sum);

    if (pDir->exists())
    {
      if (pDir->isDirectory())
      {
        Owned<IDirectoryIterator> it = pDir->directoryFiles(NULL, false, true);
        ForEach(*it)
        {               
          StringBuffer name;
          it->getName(name);

          String str(name.toLowerCase());
          if (str.endsWith(".xml"))
          {
            StringBuffer sb(getSourceDir());
            sb.append(PATHSEPCHAR).append(it->getName(name.clear()));
            try
            {
              Owned<IPropertyTree> pTree = createPTreeFromXMLFile(sb.str());
              StringBuffer testFile;

              testFile.clear().appendf("%s/%s",getSourceDir(),it->getName(name.clear()).str());
              md5_filesum(testFile.str(),config_md5sum.clear());

              if (pTree && pTree->queryName() && !strcmp(XML_TAG_ENVIRONMENT, pTree->queryName()))
              {
                if(strcmp(config_md5sum.str(),activeConfig_md5sum.str())==0)
                {
                  sbMultiple.append("<StagedConfiguration>").append(";");
                  sbMultiple.append(it->getName(name.clear())).append(";");
                  sbMultiple.append("</StagedConfiguration>").append(";");
                }
                else
                {
                  sbMultiple.append(it->getName(name.clear())).append(";");
                }
              }
            }
            catch(IException* e)
            {
              e->Release();
              //add any files already in use
              CWsDeployFileInfo* fi = m_fileInfos.getValue(name.str());
              if (fi)
                sbMultiple.append(name).append(";");
            }
          }
        }
      }
    }

    pszValue = sbMultiple.str();
  }
  else if (pszQueryType && *pszQueryType)
    allHandled = false;
  
  if (allHandled)
  {
    resp.setReqValue(pszValue);
    resp.setStatus("true");
    return true;
  }
  else
  {
    CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName(), true);
    bool ret = fi->getValue(context, req, resp);
    if (ret)
    {
      const char* val = resp.getReqValue();
      StringBuffer sb;
      if (pszValue)
        sb.append(pszValue);
      sb.append(val);
      resp.setReqValue(sb.str());
      resp.setStatus("true");
    }

    return ret;
  }
}

bool CWsDeployExCE::onUnlockUser(IEspContext &context, IEspUnlockUserRequest &req, IEspUnlockUserResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->unlockUser(context, req, resp);
}

bool CWsDeployExCE::onClientAlive(IEspContext &context, IEspClientAliveRequest &req, IEspClientAliveResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName(), true);
  return fi->clientAlive(context, req, resp);
}

bool CWsDeployExCE::onGetEnvironment(IEspContext &context, IEspGetEnvironmentRequest &req, IEspGetEnvironmentResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(m_envFile.str());
  return fi->getEnvironment(context, req, resp);
}

bool CWsDeployExCE::onSetEnvironment(IEspContext &context, IEspSetEnvironmentRequest &req, IEspSetEnvironmentResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(m_envFile.str());
  return fi->setEnvironment(context, req, resp);
}

bool CWsDeployEx::onDisplaySettings(IEspContext &context, IEspDisplaySettingsRequest &req, IEspDisplaySettingsResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->displaySettings(context, req, resp);
}

bool CWsDeployEx::onStartDeployment(IEspContext &context, IEspStartDeploymentRequest &req, IEspStartDeploymentResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->startDeployment(context, req, resp);
}

bool CWsDeployEx::onGetDeployableComps(IEspContext &context, IEspGetDeployableCompsRequest &req, IEspGetDeployableCompsResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->getDeployableComps(context, req, resp);
}

bool CWsDeployEx::onGetComputersForRoxie(IEspContext &context, IEspGetComputersForRoxieRequest &req, IEspGetComputersForRoxieResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->getComputersForRoxie(context, req, resp);
}

bool CWsDeployEx::onHandleRoxieOperation(IEspContext &context, IEspHandleRoxieOperationRequest &req, IEspHandleRoxieOperationResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->handleRoxieOperation(context, req, resp);
}

bool CWsDeployEx::onGetBuildSetInfo(IEspContext &context, IEspGetBuildSetInfoRequest &req, IEspGetBuildSetInfoResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->getBuildSetInfo(context, req, resp);
}

bool CWsDeployEx::onImportBuild(IEspContext &context, IEspImportBuildRequest &req, IEspImportBuildResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->importBuild(context, req, resp);
}

bool CWsDeployEx::onGetBuildServerDirs(IEspContext &context, IEspGetBuildServerDirsRequest &req, IEspGetBuildServerDirsResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->getBuildServerDirs(context, req, resp);
}

bool CWsDeployEx::onHandleComponent(IEspContext &context, IEspHandleComponentRequest &req, IEspHandleComponentResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->handleComponent(context, req, resp);
}

bool CWsDeployEx::onHandleInstance(IEspContext &context, IEspHandleInstanceRequest &req, IEspHandleInstanceResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->handleInstance(context, req, resp);
}

bool CWsDeployEx::onHandleEspServiceBindings(IEspContext &context, IEspHandleEspServiceBindingsRequest &req, IEspHandleEspServiceBindingsResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->handleEspServiceBindings(context, req, resp);
}

bool CWsDeployEx::onHandleComputer(IEspContext &context, IEspHandleComputerRequest &req, IEspHandleComputerResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->handleComputer(context, req, resp);
}

bool CWsDeployEx::onHandleTopology(IEspContext &context, IEspHandleTopologyRequest &req, IEspHandleTopologyResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->handleTopology(context, req, resp);
}

bool CWsDeployEx::onHandleThorTopology(IEspContext &context, IEspHandleThorTopologyRequest &req, IEspHandleThorTopologyResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->handleThorTopology(context, req, resp);
}

bool CWsDeployEx::onHandleRows(IEspContext &context, IEspHandleRowsRequest &req, IEspHandleRowsResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->handleRows(context, req, resp);
}

bool CWsDeployEx::onGraph(IEspContext &context, IEspEmptyRequest& req, IEspGraphResponse& resp)
{
  CWsDeployFileInfo* fi = getFileInfo(m_envFile.str());
  return fi->graph(context, req, resp);
}

void CWsDeployExCE::getNavigationData(IEspContext &context, IPropertyTree* pData)
{
  CWsDeployFileInfo* fi = getFileInfo(m_envFile.str());
  return fi->getNavigationData(context, pData);
}

bool CWsDeployExCE::onBuildEnvironment(IEspContext &context, IEspBuildEnvironmentRequest &req, IEspBuildEnvironmentResponse &resp)
{
  String sb(req.getReqInfo().getFileName());
  StringBuffer sbnew(req.getReqInfo().getFileName());
  String* tmp = sb.toLowerCase();
  if (!tmp->endsWith(".xml"))
    sbnew.appendf(".xml");
  delete tmp;
  CWsDeployFileInfo* fi = getFileInfo(sbnew.str());
  return fi->buildEnvironment(context, req, resp);
}

bool CWsDeployExCE::onGetSubnetIPAddr(IEspContext &context, IEspGetSubnetIPAddrRequest &req, IEspGetSubnetIPAddrResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->getSubnetIPAddr(context, req, resp);
}

bool CWsDeployExCE::onGetSummary(IEspContext &context, IEspGetSummaryRequest &req, IEspGetSummaryResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName(), true);
  return fi->getSummary(context, req, resp);
}

bool CWsDeployExCE::onAddReqdComps(IEspContext &context, IEspAddReqdCompsRequest &req, IEspAddReqdCompsResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName(), true);
  return fi->addReqdComps(context, req, resp);
}

bool CWsDeployEx::onDeploy(IEspContext &context, IEspDeployRequest& req, IEspDeployResponse& resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName());
  return fi->deploy(context, req, resp);
}

CWsDeployFileInfo* CWsDeployExCE::getFileInfo(const char* fileName, bool addIfNotFound, bool createFile)
{
  synchronized block(m_mutexSrv);
  if (!fileName || !*fileName)
    throw MakeStringException(-1, "File name required for operation");

  CWsDeployFileInfo* fi = m_fileInfos.getValue(fileName);

  if (!fi)
  {
    if (addIfNotFound)
    {
      StringBuffer filePath(m_sourceDir);
      if (filePath.charAt(filePath.length() - 1) != PATHSEPCHAR)
        filePath.append(PATHSEPCHAR);
      filePath.append(fileName);
      fi = new CWsDeployFileInfo(this, filePath, m_bCloud);
      const char* psz = strrchr(fileName, PATHSEPCHAR);
      if (!psz)
        psz = strrchr(fileName, PATHSEPCHAR == '\\' ? '/' : '\\');
      StringBuffer sb;
      if (!psz)
        sb.append(fileName);
      else
        sb.append(psz + 1);
      if (!sb.length())
        sb.append(fileName);

      try
      {
        fi->initFileInfo(createFile);
        CWsDeployFileInfo::CConfigFileMonitorThread::getInstance()->addObserver(*fi);
      }
      catch (IException* e)
      {
        delete fi;
        throw e;
      }

      m_fileInfos.setValue(sb.str(), fi);
    }
    else
      throw MakeStringException(-1, "File information not found for %s", fileName);
  }
  else if (createFile)
  {
    StringBuffer sbuser, sbip;
    if (fi->getUserWithLock(sbuser, sbip))
      throw MakeStringException(-1, "Cannot overwrite file '%s' as it is currently locked by user '%s' on machine '%s'", fileName, sbuser.str(), sbip.str());
    else
    {
      try
      {
        fi->initFileInfo(createFile);
      }
      catch (IException* e)
      {
        m_fileInfos.remove(fileName);
        delete fi;
        throw e;
      }
    }
  }

  return fi;
}

bool CWsDeployFileInfo::getUserWithLock(StringBuffer& sbUser, StringBuffer& sbIp)
{
  if (m_userWithLock.length() && m_userIp.length())
  {
    sbUser.clear().append(m_userWithLock);
    sbIp.clear().append(m_userIp);
    return true;
  }

  return false;
}

bool CWsDeployExCE::onNavMenuEvent(IEspContext &context, 
                                 IEspNavMenuEventRequest &req, 
                                 IEspNavMenuEventResponse &resp)
{
  CWsDeployFileInfo* fi = getFileInfo(req.getReqInfo().getFileName(), true);
  const char* cmd = req.getCmd();

  if (!strcmp(cmd, "LockEnvironment") || !strcmp(cmd, "UnlockEnvironment"))
    return fi->navMenuEvent(context, req, resp);
  else
    return supportedInEEOnly();
}

bool CWsDeployExCE::onSaveSetting(IEspContext &context, IEspSaveSettingRequest &req, IEspSaveSettingResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onGetNavTreeDefn(IEspContext &context, IEspGetNavTreeDefnRequest &req, IEspGetNavTreeDefnResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onLockEnvironmentForCloud(IEspContext &context, IEspLockEnvironmentForCloudRequest &req, IEspLockEnvironmentForCloudResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onUnlockEnvironmentForCloud(IEspContext &context, IEspUnlockEnvironmentForCloudRequest &req, IEspUnlockEnvironmentForCloudResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onSaveEnvironmentForCloud(IEspContext &context, IEspSaveEnvironmentForCloudRequest &req, IEspSaveEnvironmentForCloudResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onRollbackEnvironmentForCloud(IEspContext &context, IEspRollbackEnvironmentForCloudRequest &req, IEspRollbackEnvironmentForCloudResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onNotifyInitSystemSaveEnvForCloud(IEspContext &context, IEspNotifyInitSystemSaveEnvForCloudRequest &req, IEspNotifyInitSystemSaveEnvForCloudResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onDisplaySettings(IEspContext &context, IEspDisplaySettingsRequest &req, IEspDisplaySettingsResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onStartDeployment(IEspContext &context, IEspStartDeploymentRequest &req, IEspStartDeploymentResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onGetDeployableComps(IEspContext &context, IEspGetDeployableCompsRequest &req, IEspGetDeployableCompsResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onGetBuildServerDirs(IEspContext &context, IEspGetBuildServerDirsRequest &req, IEspGetBuildServerDirsResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onImportBuild(IEspContext &context, IEspImportBuildRequest &req, IEspImportBuildResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onGetComputersForRoxie(IEspContext &context, IEspGetComputersForRoxieRequest &req, IEspGetComputersForRoxieResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onHandleRoxieOperation(IEspContext &context, IEspHandleRoxieOperationRequest &req, IEspHandleRoxieOperationResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onHandleThorTopology(IEspContext &context, IEspHandleThorTopologyRequest &req, IEspHandleThorTopologyResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onHandleComponent(IEspContext &context, IEspHandleComponentRequest &req, IEspHandleComponentResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onHandleInstance(IEspContext &context, IEspHandleInstanceRequest &req, IEspHandleInstanceResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onHandleEspServiceBindings(IEspContext &context, IEspHandleEspServiceBindingsRequest &req, IEspHandleEspServiceBindingsResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onHandleComputer(IEspContext &context, IEspHandleComputerRequest &req, IEspHandleComputerResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onHandleTopology(IEspContext &context, IEspHandleTopologyRequest &req, IEspHandleTopologyResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onHandleRows(IEspContext &context, IEspHandleRowsRequest &req, IEspHandleRowsResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onGraph(IEspContext &context, IEspEmptyRequest& req, IEspGraphResponse& resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onDeploy(IEspContext &context, IEspDeployRequest& req, IEspDeployResponse& resp)
{
  return supportedInEEOnly();
}

bool CWsDeployExCE::onGetBuildSetInfo(IEspContext &context, IEspGetBuildSetInfoRequest &req, IEspGetBuildSetInfoResponse &resp)
{
  return supportedInEEOnly();
}

bool CWsDeployEx::onGetValue(IEspContext &context, IEspGetValueRequest &req, IEspGetValueResponse &resp)
{
  //Check for common properties here
  StringBuffer decodedParams(req.getParams());

  if (decodedParams.length() == 0)
  {
    resp.setReqValue("");
    resp.setStatus("true");
    return true;
  }

  decodedParams.replaceString("::", "\n");

  Owned<IProperties> pParams = createProperties();
  pParams->loadProps(decodedParams.str());
  const char* pszQueryType = pParams->queryProp("queryType");
  const char* pszparams = pParams->queryProp("params");
  const char* pszAttrValue = pParams->queryProp("attrValue");
  StringBuffer xpath;
  const char* pszValue = NULL;
  StringBuffer sbMultiple;

  bool allHandled = true;

  if (pszQueryType && !strcmp(pszQueryType, "customType"))
  {
    sbMultiple.clear();
    if(pszparams && *pszparams)
    {
      StringArray sArray;
      DelimToStringArray(pszparams, sArray, ",");
      for(unsigned i = 0; i < sArray.ordinality() ; i++)
      {
        if(!strcmp(sArray.item(i), "wizops"))
        {
          StringBuffer sbOps;
          this->getWizOptions(sbOps);
          sbMultiple.append(sArray.item(i)).append("=").append(sbOps);
    
          if(sbMultiple.length())
            sbMultiple.append(",");
        }
        else 
          allHandled = false;
      }
    }
    pszValue = sbMultiple.str();
  }
  else if (pszQueryType && *pszQueryType)
    allHandled = false;
  
  if (allHandled)
  {
    resp.setReqValue(pszValue);
    resp.setStatus("true");
    return true;
  }
  else
  {
    bool ret = CWsDeployExCE::onGetValue(context, req, resp);
    if (ret)
    {
      const char* val = resp.getReqValue();
      StringBuffer sb;
      if (pszValue)
        sb.append(pszValue);
      sb.append(val);
      resp.setReqValue(sb.str());
      resp.setStatus("true");
    }

    return ret;
  }
}

void CWsDeployExCE::getWizOptions(StringBuffer& sb)
{
  sb.clear().append("1");
}

void CWsDeployEx::getWizOptions(StringBuffer& sb)
{
  sb.clear().append("3");
}

CWsDeployExCE* createWsDeployEE(IPropertyTree *cfg, const char* name)
{
  return new CWsDeployEx;
}

CWsDeployExCE* createWsDeployCE(IPropertyTree *cfg, const char* name)
{
  StringBuffer sb;
  sb.append(XML_TAG_SOFTWARE"/"XML_TAG_ESPPROCESS"/"XML_TAG_ESPBINDING"/");
  sb.appendf("["XML_ATTR_SERVICE"='%s']", name);
  IPropertyTree* pTree = cfg->queryPropTree(sb.str());
  const char* ver = "CE";
  if (pTree)
    ver = pTree->queryProp(XML_ATTR_VERSION);

  if (ver && *ver && !strcmp(ver, "EE"))
    return new CWsDeployEx;
  
  return new CWsDeployExCE;
}

bool CWsDeployFileInfo::checkForRequiredComponents(IPropertyTree* pEnvRoot, const char* ip,
                                                   StringBuffer& reqdCompNames, const char* buildSet, bool autoadd/*=false*/)
{
  StringBuffer prop, prop2, xpath, genEnvConf;
  Owned<IProperties> algProps;
  StringArray compOnAllNodes,compExcludeOnAllNodes;
  bool retVal = true;
  bool bExclude = false;

  xpath.clear().appendf("Software/EspProcess/EspService[@name='%s']/LocalConfFile", m_pService->getName());
  const char* pConfFile = m_pService->getCfg()->queryProp(xpath.str());
  xpath.clear().appendf("Software/EspProcess/EspService[@name='%s']/LocalEnvConfFile", m_pService->getName());
  const char* pEnvConfFile = m_pService->getCfg()->queryProp(xpath.str());

  if (pConfFile && *pConfFile && pEnvConfFile && *pEnvConfFile)
  {
    Owned<IProperties> pParams = createProperties(pConfFile);
    Owned<IProperties> pEnvParams = createProperties(pEnvConfFile);
    const char* genenv = pParams->queryProp("wizardalgorithm");

    if (genenv && *genenv)
    {
      const char* cfgpath = pEnvParams->queryProp("configs");

      if (!cfgpath || !*cfgpath)
        cfgpath = CONFIG_DIR;

      genEnvConf.clear().append(cfgpath);

      if (genEnvConf.charAt(genEnvConf.length() - 1) != PATHSEPCHAR)
        genEnvConf.append(PATHSEPCHAR);

      genEnvConf.append(genenv);

      if(checkFileExists(genEnvConf.str()))
        algProps.setown(createProperties(genEnvConf.str()));
      else
        throw MakeStringException( -1 , "The algorithm file %s does not exists", genEnvConf.str());

      algProps->getProp("comps_on_all_nodes", prop);
      algProps->getProp("exclude_from_comps_on_all_nodes", prop2);

      DelimToStringArray(prop.str(), compOnAllNodes, ",");
      DelimToStringArray(prop2.str(), compExcludeOnAllNodes, ",");

      for (unsigned i = 0; buildSet != NULL && i < compExcludeOnAllNodes.ordinality(); i++)
      {
        if (strcmp(compExcludeOnAllNodes.item(i),buildSet) == 0)
        {
          bExclude = true;
          break;
        }
      }

      const char* flag = pParams->queryProp("autoaddallnodescomp");

      if (!autoadd)
        autoadd = (flag && *flag == '1') ? true : false;
    }
  }

  for(unsigned i = 0; bExclude == false && i < compOnAllNodes.ordinality(); i++)
  {
    xpath.clear().appendf("./Programs/Build/BuildSet[@name=\"%s\"]", compOnAllNodes.item(i));
    Owned<IPropertyTreeIterator> buildSetIter = pEnvRoot->getElements(xpath.str());
    buildSetIter->first();
    IPropertyTree* pBuildSet;

    if (buildSetIter->isValid())
      pBuildSet = &buildSetIter->query();
    else
      continue;

    const char* processName = pBuildSet->queryProp(XML_ATTR_PROCESS_NAME);
    xpath.clear().appendf("./Software/%s[1]", processName);
    IPropertyTree* pCompTree = pEnvRoot->queryPropTree(xpath.str());

    if (!pCompTree)
    {
      if (autoadd)
      {
        StringBuffer buildSetPath, sbNewName;
        Owned<IPropertyTree> pSchema = loadSchema(pEnvRoot->queryPropTree("./Programs/Build[1]"), pBuildSet, buildSetPath, m_Environment);
        xpath.clear().appendf("./Software/%s[@name='%s']", processName, compOnAllNodes.item(i));
        pCompTree = generateTreeFromXsd(pEnvRoot, pSchema, processName, pBuildSet->queryProp(XML_ATTR_NAME), m_pService->getCfg(), m_pService->getName(), false);
        IPropertyTree* pInstTree = pCompTree->queryPropTree(XML_TAG_INSTANCE);

        if (pInstTree)
          pCompTree->removeTree(pInstTree);

        addComponentToEnv(pEnvRoot, compOnAllNodes.item(i), sbNewName, pCompTree);
      }
      else
      {
        reqdCompNames.appendf("%s\n", compOnAllNodes.item(i));
        retVal = false;
        continue;
      }
    }

    xpath.clear().appendf(XML_TAG_INSTANCE"["XML_ATTR_NETADDRESS"='%s']", ip);
    IPropertyTree* pInst = pCompTree->queryPropTree(xpath.str());

    if (!pInst)
    {
      if (autoadd)
      {
        StringBuffer sb, sbl, compName, nodeName;
        xpath.clear().appendf("./%s/%s[%s=\"%s\"]", XML_TAG_HARDWARE, XML_TAG_COMPUTER,
          XML_ATTR_NETADDRESS, ip);
        IPropertyTree* computer = pEnvRoot->queryPropTree(xpath.str());

        if(computer)
        {
          nodeName.clear().append(computer->queryProp(XML_ATTR_NAME));
          xpath.clear().appendf("./%s/%s[%s=\"%s\"]", XML_TAG_SOFTWARE, processName, XML_ATTR_BUILDSET, compOnAllNodes.item(i));
          sb.clear().appendf("<Instance buildSet=\"%s\" compName=\"%s\" ><Instance name=\"%s\" /></Instance>",
            compOnAllNodes.item(i), pCompTree->queryProp(XML_ATTR_NAME), nodeName.str());
          Owned<IPropertyTree> pInstance = createPTreeFromXMLString(sb.str());
          addInstanceToCompTree(pEnvRoot, pInstance, sbl.clear(), sb.clear(), NULL);
        }
      }
      else
      {
        reqdCompNames.appendf("%s\n", compOnAllNodes.item(i));
        retVal = false;
        continue;
      }
    }
  }

  return retVal;
}