KasmVNC/win/rfb_win32/Service.h
2020-09-20 12:16:44 +00:00

124 lines
3.5 KiB
C++

/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
// -=- Service.h
//
// Win32 service-mode code.
// Derive your service from this code and let it handle the annoying Win32
// service API.
#ifndef __RFB_WIN32_SERVICE_H__
#define __RFB_WIN32_SERVICE_H__
#include <windows.h>
namespace rfb {
namespace win32 {
//
// -=- Service
//
// Application base-class for services.
class Service {
public:
Service(const TCHAR* name_);
virtual ~Service();
const TCHAR* getName() {return name;}
SERVICE_STATUS& getStatus() {return status;}
void setStatus(DWORD status);
void setStatus();
// - Start the service, having initialised it
void start();
// - Service main procedure - override to implement a service
virtual DWORD serviceMain(int argc, TCHAR* argv[]) = 0;
// - Service control notifications
// To get notified when the OS is shutting down
virtual void osShuttingDown() {};
// To get notified when the service parameters change
virtual void readParams() {};
// To cause the serviceMain() routine to return
virtual void stop() {};
public:
SERVICE_STATUS_HANDLE status_handle;
SERVICE_STATUS status;
protected:
const TCHAR* name;
};
class ServiceHandle {
public:
ServiceHandle(SC_HANDLE h) : handle(h) {}
~ServiceHandle() {CloseServiceHandle(handle);}
operator SC_HANDLE() const {return handle;}
protected:
SC_HANDLE handle;
};
// -=- Routines used by desktop back-end code to manage desktops/window stations
bool desktopChangeRequired();
bool changeDesktop();
// -=- Routines used by the SInput Keyboard class to emulate Ctrl-Alt-Del
bool emulateCtrlAltDel();
// -=- Routines to initialise the Event Log target Logger
bool initEventLogLogger(const TCHAR* srcname);
// -=- Routines to register/unregister the service
// These routines also take care of registering the required
// event source information, etc.
// *** should really accept TCHAR argv
bool registerService(const TCHAR* name, const TCHAR* display,
const TCHAR* desc, int argc, char** argv);
bool unregisterService(const TCHAR* name);
bool startService(const TCHAR* name);
bool stopService(const TCHAR* name);
// -=- Get the state of the named service (one of the NT service state values)
DWORD getServiceState(const TCHAR* name);
// -=- Convert a supplied service state value to a printable string e.g. Running, Stopped...
// The caller must delete the returned string buffer
char* serviceStateName(DWORD state);
// -=- Routine to determine whether the host process is running a service
bool isServiceProcess();
};
};
#endif // __RFB_WIN32_SERVICE_NT_H__