有时创建服务启动,服务的dll写法格式有一定要求,写了一个简单的模板记录于此,方便查询
1.编译环境为vs2008
2.创建一个win32 dll项目
3.代码如下
#include "stdafx.h"
#include <windows.h>
#pragma comment(lib,"Advapi32.lib")
DWORD dwCurrState;
SERVICE_STATUS_HANDLE hSrv;
int TellSCM ( DWORD dwState, DWORD dwExitCode, DWORD dwProgress );
void WINAPI ServiceMain ( int argc, wchar_t* argv[] );
void __stdcall ServiceHandler( DWORD dwCommand );
DWORD WINAPI proc_thread(LPVOID lparam)
{
OutputDebugStringA("proc_thread");
return 0;
}
void Startup()
{
CreateThread(NULL,NULL,proc_thread,NULL,NULL,NULL);
}
void WINAPI ServiceMain( int argc, wchar_t* argv[] )
{
OutputDebugStringA("ServiceMain Load");
TCHAR svcname[256];
lstrcpy(svcname,argv[0]);
hSrv = RegisterServiceCtrlHandler( svcname, (LPHANDLER_FUNCTION)ServiceHandler );
if( hSrv == NULL )
{
OutputDebugStringA("SvcHostDLL RegisterServiceCtrlHandler failed");
return;
}else FreeConsole();
TellSCM( SERVICE_START_PENDING, 0, 1 );
TellSCM( SERVICE_RUNNING, 0, 0 );
Startup();
return;
}
int TellSCM( DWORD dwState, DWORD dwExitCode, DWORD dwProgress )
{
SERVICE_STATUS srvStatus;
srvStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
srvStatus.dwCurrentState = dwCurrState = dwState;
srvStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE | SERVICE_ACCEPT_SHUTDOWN;
srvStatus.dwWin32ExitCode = dwExitCode;
srvStatus.dwServiceSpecificExitCode = 0;
srvStatus.dwCheckPoint = dwProgress;
srvStatus.dwWaitHint = 3000;
return SetServiceStatus( hSrv, &srvStatus );
}
void __stdcall ServiceHandler( DWORD dwCommand )
{
switch( dwCommand )
{
case SERVICE_CONTROL_STOP:
TellSCM( SERVICE_STOP_PENDING, 0, 1 );
TellSCM( SERVICE_STOPPED, 0, 0 );
break;
case SERVICE_CONTROL_PAUSE:
TellSCM( SERVICE_PAUSE_PENDING, 0, 1 );
TellSCM( SERVICE_PAUSED, 0, 0 );
break;
case SERVICE_CONTROL_CONTINUE:
TellSCM( SERVICE_CONTINUE_PENDING, 0, 1 );
TellSCM( SERVICE_RUNNING, 0, 0 );
break;
case SERVICE_CONTROL_INTERROGATE:
TellSCM( dwCurrState, 0, 0 );
break;
case SERVICE_CONTROL_SHUTDOWN:
TellSCM( SERVICE_STOPPED, 0, 0 );
break;
}
}
BOOL APIENTRY DllMain( HMODULE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
4.创建一个def文件在里面写入导出文件内容如下
LIBRARY verify
EXPORTS
ServiceMain
5.最后在vs2008中设置一下def文件,方法为,打开property pages,Linker-->Input-->Module Definition file,输入你的.def文件名
6.编译出的dll就可以被服务加载了。