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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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// ClientManager.cpp: implementation of the CClientManager class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "ClientManager.h"
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#include "TCErrorConstants.h"
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#include "resource.h"
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#include <stdio.h>
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#ifdef _DEBUG
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extern BOOL gDoLogging;
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extern char TCDebugMsg[100];
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#define TCDEBUGOPEN() if (gDoLogging) m_DebugLog->WaitForAccess();
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#define TCDEBUGLOGS(s) if (gDoLogging) sprintf(TCDebugMsg,"%s", s); if (gDoLogging) m_DebugLog->log(TCDebugMsg);
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#define TCDEBUGLOGA1(s, a1) if (gDoLogging) sprintf(TCDebugMsg, s, a1); if (gDoLogging) m_DebugLog->log(TCDebugMsg);
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#define TCDEBUGLOGA2(s, a1, a2) if (gDoLogging) sprintf(TCDebugMsg, s, a1, a2); if (gDoLogging) m_DebugLog->log(TCDebugMsg);
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#define TCDEBUGLOGA3(s, a1, a2, a3) if (gDoLogging) sprintf(TCDebugMsg, s, a1, a2, a3); if (gDoLogging) m_DebugLog->log(TCDebugMsg);
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#define TCDEBUGCLOSE() if (gDoLogging) m_DebugLog->ReleaseAccess();
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#else
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#define TCDEBUGOPEN()
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#define TCDEBUGLOGS(s)
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#define TCDEBUGLOGA1(s, a1)
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#define TCDEBUGLOGA2(s, a1, a2)
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#define TCDEBUGLOGA3(s, a1, a2, a3)
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#define TCDEBUGCLOSE()
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#endif
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#ifdef _DEBUG
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static char* GetErrorText(DWORD inError);
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#endif
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CClientManager::CClientManager()
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{
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m_Server = NULL;
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m_StreamList = NULL;
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m_ErrorMonitorList = NULL;
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m_DebugLog = NULL;
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m_DllLocation = NULL;
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m_hServer = NULL;
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m_hServerThread = NULL;
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m_Version[0] = NULL;
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m_ServerLockFile = NULL;
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m_ServerExeFile = NULL;
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}
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CClientManager::CClientManager(HINSTANCE hinstDLL)
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{
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#ifdef _DEBUG
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if (gDoLogging)
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m_DebugLog = new TCDebugLog("TCF_ClientLog", ::GetCurrentProcessId());
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else
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m_DebugLog = NULL;
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#else
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m_DebugLog = NULL;
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#endif
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TCDEBUGOPEN();
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TCDEBUGLOGS("CClientManager::CClientManager\n");
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m_Server = new CServerCommand();
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// lock server access (it might be running)
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m_Server->WaitforServerPipeAccess();
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m_StreamList = new InputStreamList();
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m_StreamList->clear();
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m_ErrorMonitorList = new ErrorMonitorList();
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m_ErrorMonitorList->clear();
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m_DllLocation = new char[MAX_DLLPATHNAME];
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::GetModuleFileName(hinstDLL, m_DllLocation, MAX_DLLPATHNAME);
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char exeDirectory[MAX_DLLPATHNAME] = {0};
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strncpy(exeDirectory, m_DllLocation, MAX_DLLPATHNAME);
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size_t len = strlen(exeDirectory);
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// remove file
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for (int i = len-1; i > 0; i--)
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{
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if (exeDirectory[i] == PATH_DELIMITER)
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break;
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}
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exeDirectory[i] = NULL;
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m_ServerExeFile = new char[MAX_DLLPATHNAME];
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sprintf(m_ServerExeFile, "\"%s%c%s\"", exeDirectory, PATH_DELIMITER, SERVER_PROCESS_NAME);
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m_ServerLockFile = new char[MAX_DLLPATHNAME];
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sprintf(m_ServerLockFile, "%s%c%s", exeDirectory, PATH_DELIMITER, SERVER_LOCKFILE_NAME);
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char name[100];
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sprintf(name, "%s%ld", ERRORMONITORLIST_MUTEX_BASENAME, ::GetCurrentProcessId());
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m_ErrorMonitorListMutex.Open(name, ERRORMONITORLIST_MUTEX_TIMEOUT);
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sprintf(name, "%s%ld", INPUTSTREAMLIST_MUTEX_BASENAME, ::GetCurrentProcessId());
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m_StreamListMutex.Open(name, INPUTSTREAMLIST_MUTEX_TIMEOUT);
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m_hServer = NULL;
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m_hServerThread = NULL;
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// release server access
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m_Server->ReleaseServerPipeAccess();
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int ret = ::LoadString(hinstDLL, IDS_VERSION, m_Version, MAX_VERSION_STRING);
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TCDEBUGCLOSE();
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}
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CClientManager::~CClientManager()
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{
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TCDEBUGOPEN();
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TCDEBUGLOGS("CClientManager::~CClientManager\n");
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pServerProcessData pData = m_Server->GetProcessPtr();
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if (m_Server)
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{
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delete m_Server;
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m_Server = NULL;
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}
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WaitForStreamListAccess();
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TCDEBUGLOGA1("CClientManager::~CClientManager: erasing stream list size=%d\n", InputStreamListSize());
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if (m_StreamList)
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{
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InputStreamList::iterator iter;
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for (iter = m_StreamList->begin(); iter != m_StreamList->end(); iter++)
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{
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TCDEBUGLOGS("CClientManager::~CClientManager: erasing stream list next 1\n");
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// m_StreamList->erase(iter);
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delete *iter;
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// TCDEBUGLOGS("CClientManager::~CClientManager: erasing stream list next 2\n");
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}
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m_StreamList->clear();
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TCDEBUGLOGS("CClientManager::~CClientManager: erasing stream list done 1\n");
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delete m_StreamList;
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TCDEBUGLOGS("CClientManager::~CClientManager: erasing stream list done 2\n");
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}
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ReleaseStreamListAccess();
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m_StreamListMutex.Close();
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WaitForErrorMonitorListAccess();
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TCDEBUGLOGA1("CClientManager::~CClientManager: erasing monitor list size=%d\n", ErrorMonitorListSize());
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if (m_ErrorMonitorList)
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{
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ErrorMonitorList::iterator iter;
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for (iter = m_ErrorMonitorList->begin(); iter != m_ErrorMonitorList->end(); iter++)
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{
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TCDEBUGLOGS("CClientManager::~CClientManager: erasing monitor list next 1\n");
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// m_ErrorMonitorList->erase(iter);
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delete *iter;
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// TCDEBUGLOGS("CClientManager::~CClientManager: erasing monitor list next 1\n");
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}
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m_ErrorMonitorList->clear();
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TCDEBUGLOGS("CClientManager::~CClientManager: erasing monitor list done 1\n");
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delete m_ErrorMonitorList;
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TCDEBUGLOGS("CClientManager::~CClientManager: erasing monitor list done 2\n");
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}
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ReleaseErrorMonitorListAccess();
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m_ErrorMonitorListMutex.Close();
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if (m_DllLocation)
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{
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delete[] m_DllLocation;
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m_DllLocation = NULL;
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}
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if (m_ServerLockFile)
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{
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delete[] m_ServerLockFile;
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m_ServerLockFile = NULL;
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}
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if (m_ServerExeFile)
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{
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delete[] m_ServerExeFile;
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m_ServerExeFile = NULL;
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}
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TCDEBUGLOGS("CClientManager::~CClientManager: closing log\n");
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TCDEBUGCLOSE();
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if (m_DebugLog)
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{
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delete m_DebugLog;
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m_DebugLog = NULL;
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}
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}
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CErrorMonitor*
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CClientManager::FindErrorMonitor(long inClientId)
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{
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CErrorMonitor* errorMonitor = NULL;
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ErrorMonitorList::iterator iter;
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for (iter = m_ErrorMonitorList->begin(); iter != m_ErrorMonitorList->end(); iter++)
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{
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if ((*iter)->IsThisClient(inClientId))
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{
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errorMonitor = *iter;
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break;
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}
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}
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return errorMonitor;
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}
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long CClientManager::ErrorMonitorListSize()
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{
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long size = m_ErrorMonitorList->size();
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return size;
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}
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void CClientManager::AddErrorMonitor(CErrorMonitor* monitor)
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{
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m_ErrorMonitorList->push_back(monitor);
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}
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void CClientManager::RemoveErrorMonitor(CErrorMonitor* monitor)
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{
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ErrorMonitorList::iterator iter;
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for (iter = m_ErrorMonitorList->begin(); iter != m_ErrorMonitorList->end(); iter++)
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{
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if ((*iter)->IsThisClient(monitor->GetClientId()))
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{
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m_ErrorMonitorList->erase(iter);
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break;
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}
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}
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}
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CInputStream*
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CClientManager::FindInputStream(long inClientId)
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{
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CInputStream* inputStream = NULL;
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InputStreamList::iterator iter;
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for (iter = m_StreamList->begin(); iter != m_StreamList->end(); iter++)
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{
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if ((*iter)->IsThisClient(inClientId))
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// if ((*iter).IsThisClient(inClientId))
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{
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inputStream = *iter;
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// inputStream = iter;
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break;
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}
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}
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return inputStream;
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}
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long CClientManager::InputStreamListSize()
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{
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long size = m_StreamList->size();
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return size;
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}
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void CClientManager::AddInputStream(CInputStream* stream)
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{
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m_StreamList->push_back(stream);
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// m_StreamList->push_back(*stream);
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}
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void CClientManager::RemoveInputStream(CInputStream* stream)
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{
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InputStreamList::iterator iter;
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for (iter = m_StreamList->begin(); iter != m_StreamList->end(); iter++)
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{
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if ((*iter)->IsThisClient(stream->GetClientId()))
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// if ((*iter).IsThisClient(stream->GetClientId()))
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{
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m_StreamList->erase(iter);
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break;
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}
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}
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}
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BOOL CClientManager::StartServer(pServerProcessData pData)
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{
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TCDEBUGLOGA1("CClientManager::StartServer numRefs = %d\n",pData->numRefs);
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BOOL serverStarted = FALSE;
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// server is ref counted
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// refcount = 0 => server is not running
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// refcount > 0 => server already started by some other process
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if (pData->numRefs == 0)
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{
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// server not running
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// get exe location
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char exeLocation[MAX_DLLPATHNAME] = {0};
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strncpy(exeLocation, m_DllLocation, MAX_DLLPATHNAME);
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size_t len = strlen(exeLocation);
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// remove file
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for (int i = len-1; i > 0; i--)
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{
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if (exeLocation[i] == PATH_DELIMITER)
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break;
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}
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exeLocation[i] = NULL;
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char quotedLocation[MAX_DLLPATHNAME] = {0};
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sprintf(quotedLocation, "\"%s%c%s\"", exeLocation, PATH_DELIMITER, SERVER_PROCESS_NAME);
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TCDEBUGLOGA1(" exeLocation=%s\n", quotedLocation);
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// create process
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STARTUPINFO si;
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memset(&si,0,sizeof(si));
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si.cb = sizeof(si);
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memset(&pData->serverProcess, 0, sizeof(pData->serverProcess));
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pData->serverProcess.hProcess = NULL;
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if (!::CreateProcess(
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NULL, // module location
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quotedLocation, // command line
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NULL, // process attributes
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NULL, // thread attributes
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FALSE, // inherit our handles
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CREATE_NO_WINDOW, // no window
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NULL, // use our environment
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NULL, // user our current directory
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&si, // startup info
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&pData->serverProcess)) // process info
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{
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// TODO: error creating process
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}
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else
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{
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// we are the creator so save handles for later
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m_hServer = pData->serverProcess.hProcess;
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m_hServerThread = pData->serverProcess.hThread;
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// add a refcount
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pData->numRefs++;
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serverStarted = TRUE;
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}
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}
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else
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{
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// already running
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// add a refcount and open our process handle to it
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pData->numRefs++;
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m_hServer = ::OpenProcess(0, FALSE, pData->serverProcess.dwProcessId);
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serverStarted = TRUE;
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}
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TCDEBUGLOGA1("CClientManager::StartServer serverStarted=%d\n", serverStarted);
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return serverStarted;
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}
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|
358 |
BOOL CClientManager::StopServer(pServerProcessData pData)
|
|
|
359 |
{
|
|
|
360 |
TCDEBUGLOGS("CClientManager::StopServer\n");
|
|
|
361 |
|
|
|
362 |
BOOL serverStopped = FALSE;
|
|
|
363 |
|
|
|
364 |
if (pData->serverProcess.hProcess == NULL || pData->numRefs <= 0)
|
|
|
365 |
{
|
|
|
366 |
serverStopped = TRUE;
|
|
|
367 |
}
|
|
|
368 |
else
|
|
|
369 |
{
|
|
|
370 |
TCDEBUGLOGA1(" numRefs = %d\n",pData->numRefs);
|
|
|
371 |
|
|
|
372 |
// substract ref count
|
|
|
373 |
pData->numRefs--;
|
|
|
374 |
// if refcount == 0 then really stop the server process
|
|
|
375 |
if (pData->numRefs <= 0)
|
|
|
376 |
{
|
|
|
377 |
// last client process is closing
|
|
|
378 |
// tell server to exit
|
|
|
379 |
ServerCommandData cmdrsp;
|
|
|
380 |
cmdrsp.command = eCmdExit;
|
|
|
381 |
TCDEBUGLOGS(" SendCommand eCmdExit\n");
|
|
|
382 |
m_Server->SendCommand(&cmdrsp);
|
|
|
383 |
TCDEBUGLOGS(" GetResponse eExit\n");
|
|
|
384 |
m_Server->GetResponse(&cmdrsp);
|
|
|
385 |
// wait for process to exit
|
|
|
386 |
TCDEBUGLOGS(" WaitForSingleObject start\n");
|
|
|
387 |
WaitForSingleObject(m_hServer, 10000L /*INFINITE*/);
|
|
|
388 |
TCDEBUGLOGS(" WaitForSingleObject found\n");
|
|
|
389 |
|
|
|
390 |
if (m_hServer != NULL)
|
|
|
391 |
CloseHandle(m_hServer);
|
|
|
392 |
|
|
|
393 |
if (m_hServerThread != NULL)
|
|
|
394 |
CloseHandle(m_hServerThread);
|
|
|
395 |
}
|
|
|
396 |
else
|
|
|
397 |
{
|
|
|
398 |
// just close our handle to server process
|
|
|
399 |
if (m_hServer != NULL)
|
|
|
400 |
CloseHandle(m_hServer);
|
|
|
401 |
|
|
|
402 |
if (m_hServerThread != NULL)
|
|
|
403 |
CloseHandle(m_hServerThread);
|
|
|
404 |
}
|
|
|
405 |
}
|
|
|
406 |
|
|
|
407 |
TCDEBUGLOGS("CClientManager::StopServer end\n");
|
|
|
408 |
return TRUE;
|
|
|
409 |
}
|
|
|
410 |
long CClientManager::StartServer()
|
|
|
411 |
{
|
|
|
412 |
long ret = TCAPI_ERR_NONE;
|
|
|
413 |
pServerProcessData pData = m_Server->GetProcessPtr();
|
|
|
414 |
|
|
|
415 |
TCDEBUGLOGA3("CClientManager::StartServer this = %x m_hServer = %x numRefs = %d\n", this, m_hServer, pData->numRefs);
|
|
|
416 |
// TCDEBUGLOGA1(" mgrRefs = %d\n", m_MgrServerRef);
|
|
|
417 |
|
|
|
418 |
BOOL serverStarted = FALSE;
|
|
|
419 |
// server is ref counted
|
|
|
420 |
// refcount = 0 => server is not running
|
|
|
421 |
// refcount > 0 => server already started by some other process
|
|
|
422 |
|
|
|
423 |
// terminate the TCFServer if it is already running
|
|
|
424 |
TerminateServerThroughLockFile(pData);
|
|
|
425 |
|
|
|
426 |
if (pData->numRefs == 0)
|
|
|
427 |
{
|
|
|
428 |
// server not running
|
|
|
429 |
TCDEBUGLOGA1(" TCFServer exe =%s\n", m_ServerExeFile);
|
|
|
430 |
TCDEBUGLOGA1(" TCFServer lock=%s\n", m_ServerLockFile);
|
|
|
431 |
|
|
|
432 |
|
|
|
433 |
// create process
|
|
|
434 |
STARTUPINFO si;
|
|
|
435 |
memset(&si,0,sizeof(si));
|
|
|
436 |
si.cb = sizeof(si);
|
|
|
437 |
memset(&pData->serverProcess, 0, sizeof(pData->serverProcess));
|
|
|
438 |
pData->serverProcess.hProcess = NULL;
|
|
|
439 |
if (!::CreateProcess(
|
|
|
440 |
NULL, // module location
|
|
|
441 |
m_ServerExeFile, // command line
|
|
|
442 |
NULL, // process attributes
|
|
|
443 |
NULL, // thread attributes
|
|
|
444 |
FALSE, // inherit our handles
|
|
|
445 |
CREATE_NO_WINDOW, // no window
|
|
|
446 |
NULL, // use our environment
|
|
|
447 |
NULL, // user our current directory
|
|
|
448 |
&si, // startup info
|
|
|
449 |
&pData->serverProcess)) // process info
|
|
|
450 |
{
|
|
|
451 |
// TODO: error creating process
|
|
|
452 |
}
|
|
|
453 |
else
|
|
|
454 |
{
|
|
|
455 |
// we are the creator so save handles for later
|
|
|
456 |
m_hServer = pData->serverProcess.hProcess;
|
|
|
457 |
m_hServerThread = pData->serverProcess.hThread;
|
|
|
458 |
// add a refcount
|
|
|
459 |
pData->numRefs++;
|
|
|
460 |
serverStarted = TRUE;
|
|
|
461 |
TCDEBUGLOGA3("CClientManager::StartServer created m_hServer = %x processId = %d numRefs = %d\n", m_hServer, pData->serverProcess.dwProcessId, pData->numRefs);
|
|
|
462 |
|
|
|
463 |
// create lock file and save process ID
|
|
|
464 |
TCDEBUGLOGS("CClientManager::StartServer CreateLockFile\n");
|
|
|
465 |
CreateLockFile(pData->serverProcess.dwProcessId);
|
|
|
466 |
}
|
|
|
467 |
}
|
|
|
468 |
else
|
|
|
469 |
{
|
|
|
470 |
// already running
|
|
|
471 |
// add a refcount and open our process handle to it only if we haven't opened it already
|
|
|
472 |
pData->numRefs++;
|
|
|
473 |
if (m_hServer == NULL)
|
|
|
474 |
m_hServer = ::OpenProcess(SYNCHRONIZE|PROCESS_TERMINATE, FALSE, pData->serverProcess.dwProcessId);
|
|
|
475 |
if (m_hServer == 0)
|
|
|
476 |
{
|
|
|
477 |
TCDEBUGLOGA1("CClientManager::StartServer opened m_hServer null error=%d\n", ::GetLastError());
|
|
|
478 |
}
|
|
|
479 |
m_hServerThread = NULL; // only creator gets real thread handle
|
|
|
480 |
serverStarted = TRUE;
|
|
|
481 |
TCDEBUGLOGA3("CClientManager::StartServer opened m_hServer = %x processId = %d numRefs = %d\n", m_hServer, pData->serverProcess.dwProcessId, pData->numRefs);
|
|
|
482 |
// save our process id to lock file
|
|
|
483 |
AppendToLockFile(pData->serverProcess.dwProcessId);
|
|
|
484 |
}
|
|
|
485 |
if (serverStarted)
|
|
|
486 |
m_ServerRunning = TRUE;
|
|
|
487 |
|
|
|
488 |
TCDEBUGLOGA1("CClientManager::StartServer end numRefs = %d\n", pData->numRefs);
|
|
|
489 |
return ret;
|
|
|
490 |
}
|
|
|
491 |
|
|
|
492 |
long CClientManager::StopServer()
|
|
|
493 |
{
|
|
|
494 |
long ret = TCAPI_ERR_NONE;
|
|
|
495 |
pServerProcessData pData = m_Server->GetProcessPtr();
|
|
|
496 |
|
|
|
497 |
TCDEBUGLOGA3("CClientManager::StopServer this = %x m_hServer = %x numRefs = %d\n", this, m_hServer, pData->numRefs);
|
|
|
498 |
|
|
|
499 |
BOOL serverStopped = FALSE;
|
|
|
500 |
|
|
|
501 |
if (pData->serverProcess.hProcess == NULL || pData->numRefs <= 0)
|
|
|
502 |
{
|
|
|
503 |
TCDEBUGLOGS("CClientManager::StopServer hProcess NULL or numRefs <= 0\n");
|
|
|
504 |
serverStopped = TRUE;
|
|
|
505 |
}
|
|
|
506 |
#if (0)
|
|
|
507 |
else if (m_hServer == NULL)
|
|
|
508 |
{
|
|
|
509 |
// we've already closed our handle to server
|
|
|
510 |
// don't close it again
|
|
|
511 |
TCDEBUGLOGS("CClientManager::StopServer m_hServer null\n");
|
|
|
512 |
}
|
|
|
513 |
#endif
|
|
|
514 |
else
|
|
|
515 |
{
|
|
|
516 |
// substract ref count
|
|
|
517 |
pData->numRefs--;
|
|
|
518 |
if (pData->numRefs < 0) pData->numRefs = 0;
|
|
|
519 |
// if refcount == 0 then really stop the server process
|
|
|
520 |
if (pData->numRefs == 0)
|
|
|
521 |
{
|
|
|
522 |
// last client process is closing
|
|
|
523 |
// tell server to exit
|
|
|
524 |
ServerCommandData cmdrsp;
|
|
|
525 |
cmdrsp.command = eCmdExit;
|
|
|
526 |
|
|
|
527 |
TCDEBUGLOGS(" SendCommand eCmdExit\n");
|
|
|
528 |
m_Server->SendCommand(&cmdrsp);
|
|
|
529 |
TCDEBUGLOGS(" GetResponse eExit\n");
|
|
|
530 |
m_Server->GetResponse(&cmdrsp);
|
|
|
531 |
|
|
|
532 |
// wait for process to exit
|
|
|
533 |
TCDEBUGLOGS(" WaitForSingleObject start\n");
|
|
|
534 |
DWORD waitErr = ::WaitForSingleObject(m_hServer, 10000L /*INFINITE*/);
|
|
|
535 |
TCDEBUGLOGA1("CClientManager::StopServer WaitForSingleObject = %d\n", waitErr);
|
|
|
536 |
|
|
|
537 |
// now close our handle to server process
|
|
|
538 |
if (m_hServer != NULL)
|
|
|
539 |
{
|
|
|
540 |
CloseHandle(m_hServer);
|
|
|
541 |
m_hServer = NULL;
|
|
|
542 |
}
|
|
|
543 |
|
|
|
544 |
if (m_hServerThread != NULL)
|
|
|
545 |
{
|
|
|
546 |
CloseHandle(m_hServerThread);
|
|
|
547 |
m_hServerThread = NULL;
|
|
|
548 |
}
|
|
|
549 |
serverStopped = TRUE;
|
|
|
550 |
|
|
|
551 |
// delete lock file
|
|
|
552 |
TCDEBUGLOGS("CClientManager::StopServer DeleteLockFile\n");
|
|
|
553 |
DeleteLockFile();
|
|
|
554 |
}
|
|
|
555 |
else
|
|
|
556 |
{
|
|
|
557 |
// just close our handle to server process
|
|
|
558 |
|
|
|
559 |
if (m_hServer != NULL)
|
|
|
560 |
{
|
|
|
561 |
CloseHandle(m_hServer);
|
|
|
562 |
m_hServer = NULL;
|
|
|
563 |
}
|
|
|
564 |
|
|
|
565 |
if (m_hServerThread != NULL)
|
|
|
566 |
{
|
|
|
567 |
CloseHandle(m_hServerThread);
|
|
|
568 |
m_hServerThread = NULL;
|
|
|
569 |
}
|
|
|
570 |
DeleteFromLockFile(pData->serverProcess.dwProcessId);
|
|
|
571 |
}
|
|
|
572 |
}
|
|
|
573 |
if (serverStopped)
|
|
|
574 |
m_ServerRunning = FALSE;
|
|
|
575 |
|
|
|
576 |
TCDEBUGLOGA1("CClientManager::StopServer end numRefs = %d\n", pData->numRefs);
|
|
|
577 |
return ret;
|
|
|
578 |
}
|
|
|
579 |
|
|
|
580 |
BOOL CClientManager::IsServerRunning()
|
|
|
581 |
{
|
|
|
582 |
pServerProcessData pData = m_Server->GetProcessPtr();
|
|
|
583 |
if (pData->serverProcess.hProcess != NULL)
|
|
|
584 |
return TRUE;
|
|
|
585 |
else
|
|
|
586 |
return FALSE;
|
|
|
587 |
|
|
|
588 |
}
|
|
|
589 |
|
|
|
590 |
void CClientManager::CreateLockFile(DWORD processId)
|
|
|
591 |
{
|
|
|
592 |
if (m_ServerLockFile != NULL)
|
|
|
593 |
{
|
|
|
594 |
FILE* f = fopen(m_ServerLockFile, "wt");
|
|
|
595 |
TCDEBUGLOGA1("CClientManager::CreateLockFile f=%x\n", f);
|
|
|
596 |
|
|
|
597 |
if (f)
|
|
|
598 |
{
|
|
|
599 |
DWORD callingProcessId = ::GetCurrentProcessId();
|
|
|
600 |
TCDEBUGLOGA2("CClientManager::CreateLockFile callingProcessId=%d processId=%d\n", callingProcessId, processId);
|
|
|
601 |
fprintf(f, "%ld %ld\n", callingProcessId, processId);
|
|
|
602 |
fclose(f);
|
|
|
603 |
}
|
|
|
604 |
else
|
|
|
605 |
{
|
|
|
606 |
DWORD err = ::GetLastError();
|
|
|
607 |
TCDEBUGLOGA2("CClientManager::CreateLockFile fopenErr=%d:%s\n", err, GetErrorText(err));
|
|
|
608 |
}
|
|
|
609 |
}
|
|
|
610 |
}
|
|
|
611 |
void CClientManager::AppendToLockFile(DWORD processId)
|
|
|
612 |
{
|
|
|
613 |
if (m_ServerLockFile != NULL)
|
|
|
614 |
{
|
|
|
615 |
FILE* f = fopen(m_ServerLockFile, "at");
|
|
|
616 |
TCDEBUGLOGA1("CClientManager::AppendToLockFile f=%x\n", f);
|
|
|
617 |
|
|
|
618 |
if (f)
|
|
|
619 |
{
|
|
|
620 |
DWORD callingProcessId = ::GetCurrentProcessId();
|
|
|
621 |
TCDEBUGLOGA2("CClientManager::AppendToLockFile callingProcessId=%d processId=%d\n", callingProcessId, processId);
|
|
|
622 |
fprintf(f, "%ld %ld\n", callingProcessId, processId);
|
|
|
623 |
fclose(f);
|
|
|
624 |
}
|
|
|
625 |
else
|
|
|
626 |
{
|
|
|
627 |
DWORD err = ::GetLastError();
|
|
|
628 |
TCDEBUGLOGA2("CClientManager::AppendToLockFile fopenErr=%d:%s\n", err, GetErrorText(err));
|
|
|
629 |
}
|
|
|
630 |
}
|
|
|
631 |
}
|
|
|
632 |
void CClientManager::DeleteLockFile()
|
|
|
633 |
{
|
|
|
634 |
if (m_ServerLockFile != NULL)
|
|
|
635 |
{
|
|
|
636 |
TCDEBUGLOGS("CClientManager::DeleteLockFile\n");
|
|
|
637 |
::remove(m_ServerLockFile);
|
|
|
638 |
}
|
|
|
639 |
}
|
|
|
640 |
|
|
|
641 |
void CClientManager::DeleteFromLockFile(DWORD serverProcessId)
|
|
|
642 |
{
|
|
|
643 |
DWORD callingId[10];
|
|
|
644 |
DWORD serverId[10];
|
|
|
645 |
int numIds = 0;
|
|
|
646 |
|
|
|
647 |
DWORD ourProcessId = ::GetCurrentProcessId();
|
|
|
648 |
|
|
|
649 |
if (m_ServerLockFile != NULL)
|
|
|
650 |
{
|
|
|
651 |
DWORD attr = ::GetFileAttributes(m_ServerLockFile);
|
|
|
652 |
TCDEBUGLOGA1("CClientManager::DeleteFromLockFile attr=%x\n", attr);
|
|
|
653 |
|
|
|
654 |
if (attr != 0xffffffff) // error
|
|
|
655 |
{
|
|
|
656 |
// file exists
|
|
|
657 |
// read the process Ids from it
|
|
|
658 |
|
|
|
659 |
FILE *f = fopen(m_ServerLockFile, "rt");
|
|
|
660 |
TCDEBUGLOGA1("CClientManager::DeleteFromLockFile f=%x\n", f);
|
|
|
661 |
if (f)
|
|
|
662 |
{
|
|
|
663 |
BOOL done = FALSE;
|
|
|
664 |
while (!done)
|
|
|
665 |
{
|
|
|
666 |
DWORD cId = 0xffffffff;
|
|
|
667 |
DWORD sId = 0xffffffff;
|
|
|
668 |
int n = fscanf(f, "%ld %ld\n", &cId, &sId);
|
|
|
669 |
if (n == 2)
|
|
|
670 |
{
|
|
|
671 |
TCDEBUGLOGA3("CClientManager::DeleteFromLockFile numIds=%d sId=%d pId=%d\n", numIds, cId, sId);
|
|
|
672 |
if (cId != ourProcessId || sId != serverProcessId)
|
|
|
673 |
{
|
|
|
674 |
callingId[numIds] = cId;
|
|
|
675 |
serverId[numIds] = sId;
|
|
|
676 |
numIds++;
|
|
|
677 |
if (numIds > 9)
|
|
|
678 |
done = TRUE;
|
|
|
679 |
}
|
|
|
680 |
}
|
|
|
681 |
else
|
|
|
682 |
{
|
|
|
683 |
done = TRUE;
|
|
|
684 |
}
|
|
|
685 |
}
|
|
|
686 |
fclose(f);
|
|
|
687 |
}
|
|
|
688 |
|
|
|
689 |
// now rewrite lock file without us
|
|
|
690 |
::remove(m_ServerLockFile);
|
|
|
691 |
if (numIds > 0)
|
|
|
692 |
{
|
|
|
693 |
f = fopen(m_ServerLockFile, "wt");
|
|
|
694 |
if (f)
|
|
|
695 |
{
|
|
|
696 |
for (int i = 0; i < numIds; i++)
|
|
|
697 |
{
|
|
|
698 |
fprintf(f, "%ld %ld\n", callingId[i], serverId[i]);
|
|
|
699 |
}
|
|
|
700 |
fclose(f);
|
|
|
701 |
}
|
|
|
702 |
}
|
|
|
703 |
}
|
|
|
704 |
}
|
|
|
705 |
}
|
|
|
706 |
|
|
|
707 |
// Currently assumes there is only ONE TCFServer, but multiple client processes (that use that server)
|
|
|
708 |
// we should not have more than a few Carbide processes connecting to the same TCFServer
|
|
|
709 |
void CClientManager::TerminateServerThroughLockFile(pServerProcessData pData)
|
|
|
710 |
{
|
|
|
711 |
DWORD callingId[10];
|
|
|
712 |
DWORD serverId[10];
|
|
|
713 |
BOOL liveCaller[10];
|
|
|
714 |
int numIds = 0;
|
|
|
715 |
if (m_ServerLockFile != NULL)
|
|
|
716 |
{
|
|
|
717 |
DWORD attr = ::GetFileAttributes(m_ServerLockFile);
|
|
|
718 |
TCDEBUGLOGA1("CClientManager::TerminateServerThroughLockFile attr=%x\n", attr);
|
|
|
719 |
|
|
|
720 |
if (attr != 0xffffffff) // error
|
|
|
721 |
{
|
|
|
722 |
// file exists
|
|
|
723 |
// read the process Ids from it
|
|
|
724 |
|
|
|
725 |
FILE *f = fopen(m_ServerLockFile, "rt");
|
|
|
726 |
TCDEBUGLOGA1("CClientManager::TerminateServerThroughLockFile f=%x\n", f);
|
|
|
727 |
if (f)
|
|
|
728 |
{
|
|
|
729 |
BOOL done = FALSE;
|
|
|
730 |
while (!done)
|
|
|
731 |
{
|
|
|
732 |
DWORD cId = 0xffffffff;
|
|
|
733 |
DWORD sId = 0xffffffff;
|
|
|
734 |
int n = fscanf(f, "%ld %ld\n", &cId, &sId);
|
|
|
735 |
if (n == 2)
|
|
|
736 |
{
|
|
|
737 |
TCDEBUGLOGA3("CClientManager::TerminateServerThroughLockFile n=%d sId=%d pId=%d\n", n, cId, sId);
|
|
|
738 |
callingId[numIds] = cId;
|
|
|
739 |
serverId[numIds] = sId;
|
|
|
740 |
numIds++;
|
|
|
741 |
if (numIds > 9)
|
|
|
742 |
done = TRUE;
|
|
|
743 |
}
|
|
|
744 |
else
|
|
|
745 |
{
|
|
|
746 |
done = TRUE;
|
|
|
747 |
}
|
|
|
748 |
}
|
|
|
749 |
fclose(f);
|
|
|
750 |
|
|
|
751 |
int numDeadCallers = 0;
|
|
|
752 |
for (int i = 0; i < numIds; i++)
|
|
|
753 |
{
|
|
|
754 |
HANDLE h = ::OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, callingId[i]);
|
|
|
755 |
if (h)
|
|
|
756 |
{
|
|
|
757 |
// calling process is still alive
|
|
|
758 |
liveCaller[i] = TRUE;
|
|
|
759 |
::CloseHandle(h);
|
|
|
760 |
TCDEBUGLOGA1("CClientManager::TerminateServerThroughLockFile %d alive\n", callingId[i]);
|
|
|
761 |
}
|
|
|
762 |
else
|
|
|
763 |
{
|
|
|
764 |
liveCaller[i] = FALSE;
|
|
|
765 |
numDeadCallers++;
|
|
|
766 |
DWORD err = ::GetLastError();
|
|
|
767 |
TCDEBUGLOGA3("CClientManager::TerminateServerThroughLockFile %d dead err=%d:%s\n", callingId[i], err, GetErrorText(err));
|
|
|
768 |
}
|
|
|
769 |
}
|
|
|
770 |
if (numDeadCallers == numIds)
|
|
|
771 |
{
|
|
|
772 |
// terminate the TCFServer, and delete lock file
|
|
|
773 |
pData->numRefs = 0;
|
|
|
774 |
::remove(m_ServerLockFile);
|
|
|
775 |
HANDLE h = ::OpenProcess(SYNCHRONIZE|PROCESS_TERMINATE, FALSE, serverId[0]);
|
|
|
776 |
if (h)
|
|
|
777 |
{
|
|
|
778 |
BOOL ret = ::TerminateProcess(h, -1);
|
|
|
779 |
if (ret == 0)
|
|
|
780 |
{
|
|
|
781 |
DWORD err = ::GetLastError();
|
|
|
782 |
TCDEBUGLOGA2("CClientManager::TerminateServerThroughLockFile TerminateProcess=%d:%s\n", err, GetErrorText(err));
|
|
|
783 |
}
|
|
|
784 |
::CloseHandle(h);
|
|
|
785 |
}
|
|
|
786 |
}
|
|
|
787 |
else
|
|
|
788 |
{
|
|
|
789 |
// leave TCFServer running, recreate lock file and save live callers
|
|
|
790 |
::remove(m_ServerLockFile);
|
|
|
791 |
f = fopen(m_ServerLockFile, "wt");
|
|
|
792 |
if (f)
|
|
|
793 |
{
|
|
|
794 |
for (int i = 0; i < numIds; i++)
|
|
|
795 |
{
|
|
|
796 |
if (liveCaller[i])
|
|
|
797 |
{
|
|
|
798 |
fprintf(f, "%ld %ld\n", callingId[i], serverId[i]);
|
|
|
799 |
}
|
|
|
800 |
}
|
|
|
801 |
fclose(f);
|
|
|
802 |
}
|
|
|
803 |
pData->numRefs -= numDeadCallers;
|
|
|
804 |
if (pData->numRefs < 0) pData->numRefs = 0;
|
|
|
805 |
}
|
|
|
806 |
}
|
|
|
807 |
else
|
|
|
808 |
{
|
|
|
809 |
// error opening lock file
|
|
|
810 |
DWORD err = ::GetLastError();
|
|
|
811 |
TCDEBUGLOGA2("CClientManager::TerminateServerThroughLockFile fopenErr=%d:%s\n", err, GetErrorText(err));
|
|
|
812 |
}
|
|
|
813 |
}
|
|
|
814 |
}
|
|
|
815 |
}
|
|
|
816 |
#ifdef _DEBUG
|
|
|
817 |
static char* GetErrorText(DWORD inError)
|
|
|
818 |
{
|
|
|
819 |
static char msg[256];
|
|
|
820 |
FormatMessage(
|
|
|
821 |
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
|
|
|
822 |
NULL,
|
|
|
823 |
inError,
|
|
|
824 |
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
|
|
|
825 |
(LPTSTR) &msg,
|
|
|
826 |
sizeof(msg) - 1,
|
|
|
827 |
NULL);
|
|
|
828 |
|
|
|
829 |
return msg;
|
|
|
830 |
}
|
|
|
831 |
#else
|
|
|
832 |
static char* GetErrorText(DWORD inError)
|
|
|
833 |
{
|
|
|
834 |
return NULL;
|
|
|
835 |
}
|
|
|
836 |
#endif
|