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daemon_windows.h

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00001 //                            Package   : omniEvents
00002 // daemon_windows.h           Created   : 2004/07/30
00003 //                            Author    : Alex Tingle
00004 //
00005 //    Copyright (C) 2004 Alex Tingle.
00006 //
00007 //    This file is part of the omniEvents application.
00008 //
00009 //    omniEvents is free software; you can redistribute it and/or
00010 //    modify it under the terms of the GNU Lesser General Public
00011 //    License as published by the Free Software Foundation; either
00012 //    version 2.1 of the License, or (at your option) any later version.
00013 //
00014 //    omniEvents is distributed in the hope that it will be useful,
00015 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 //    Lesser General Public License for more details.
00018 //
00019 //    You should have received a copy of the GNU Lesser General Public
00020 //    License along with this library; if not, write to the Free Software
00021 //    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 //
00023 
00024 #ifndef OMNIEVENTS__DAEMON_WINDOWS_H
00025 #define OMNIEVENTS__DAEMON_WINDOWS_H
00026 
00027 #ifndef __WIN32__
00028 #  error("This file is only intended for Windows.")
00029 #endif
00030 
00031 #include <windows.h>
00032 #include <winsvc.h>
00033 #include <iostream>
00034 
00035 namespace OmniEvents {
00036 
00040 class Service
00041 {
00042 public:
00043   Service();
00044   ~Service();
00045 
00046   void start(int& argc,char**& argv);
00047 
00048   void tracefile(const char* val); 
00049   void pidfile(const char* val);   
00050   void foreground(bool val);       
00051 
00053   void daemonize();
00054 
00056   void runningOk();
00057 
00059   void shutdown();
00060 
00061   // Callbacks.
00062 
00064   static void log(const char* message);
00065 
00067   static void ctrlHandler(DWORD controlCode);
00068 
00069 private:
00070   char*         _tracefile;   
00071   const char*   _regSubKey;
00072   bool          _serviceRunning;
00073   int           _callCount;
00074   char*         _parameters; 
00075   char**        _argv; 
00076   std::ostream* _logstream;
00077   SERVICE_STATUS_HANDLE _serviceStatusHandle; 
00078 
00079   void Service::setArgcArgv(int& argc,char**& argv);
00080   void install(int argc,char** argv) const;
00081   void uninstall() const;
00082 
00084   void readParameters();
00086   void writeParameters(int argc, char** argv) const;
00087 
00088   bool Service::setServiceStatus(
00089     DWORD currentState,
00090     DWORD win32ExitCode,
00091     DWORD serviceSpecificExitCode,
00092     DWORD checkPoint,
00093     DWORD waitHint
00094   );
00095 
00096 }; // class Service
00097 
00098 } // end namespace OmniEvents
00099 
00100 #endif // OMNIEVENTS__DAEMON_WINDOWS_H
00101 

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