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// Douglas Thrift |
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// |
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// CCS Computer Science |
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// |
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// Windows Finger Daemon |
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|
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#include <windows.h> |
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#include <tchar.h> |
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#include <signal.h> |
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|
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#include <iostream> |
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|
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LPTSTR name; |
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SERVICE_STATUS status; |
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SERVICE_STATUS_HANDLE handle; |
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HANDLE stop; |
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WSADATA data; |
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|
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void FingerDaemon(); |
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void FingerStop(int); |
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void WINAPI FingerMain(DWORD argc, LPTSTR *argv); |
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void WINAPI FingerControl(DWORD control); |
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|
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int _tmain(int argc, TCHAR *argv[]) |
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{ |
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SERVICE_TABLE_ENTRY entry[] = { { TEXT("CCS Finger Daemon"), LPSERVICE_MAIN_FUNCTION(FingerMain) }, { NULL, NULL } }; |
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|
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if (!StartServiceCtrlDispatcher(entry)) |
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{ |
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DWORD error(GetLastError()); |
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|
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switch (error) |
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{ |
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case ERROR_FAILED_SERVICE_CONTROLLER_CONNECT: |
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goto go; |
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|
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case ERROR_INVALID_DATA: |
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std::cerr << "ERROR_INVALID_DATA" << std::endl; |
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|
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break; |
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|
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case ERROR_SERVICE_ALREADY_RUNNING: |
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std::cerr << "ERROR_SERVICE_ALREADY_RUNNING" << std::endl; |
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|
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break; |
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|
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default: |
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std::cerr << error << std::endl; |
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} |
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|
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return 1; |
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} |
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|
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return 0; |
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|
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go: |
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signal(SIGINT, FingerStop); |
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|
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try |
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{ |
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FingerDaemon(); |
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} |
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catch (...) {} |
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|
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return 0; |
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} |
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|
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void FingerDaemon() |
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{ |
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WSAStartup(MAKEWORD(2, 0), &data); |
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|
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// |
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|
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SOCKET sock(socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)); |
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SOCKADDR_IN service; |
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|
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service.sin_family = AF_INET; |
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service.sin_addr.s_addr = inet_addr("0.0.0.0"); |
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service.sin_port = htons(79); |
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|
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bind(sock, (SOCKADDR *)(&service), sizeof (service)); |
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listen(sock, SOMAXCONN); |
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|
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while(WaitForSingleObject(stop, 1000) != WAIT_OBJECT_0 /*&&*/) |
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{ |
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// |
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} |
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|
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// |
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|
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WSACleanup(); |
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} |
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|
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void FingerStop(int) |
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{ |
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SetEvent(stop); |
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|
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std::cout << "Stop!" << std::endl; |
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} |
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|
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void WINAPI FingerMain(DWORD argc, LPTSTR *argv) |
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{ |
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name = argv[0]; |
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handle = RegisterServiceCtrlHandler(name, LPHANDLER_FUNCTION(FingerControl)); |
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stop = CreateEvent(NULL, TRUE, FALSE, NULL); |
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|
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// |
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|
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status.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN; |
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status.dwServiceType = SERVICE_WIN32_OWN_PROCESS; |
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status.dwServiceSpecificExitCode = 0; |
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status.dwCurrentState = SERVICE_RUNNING; |
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status.dwWin32ExitCode = NO_ERROR; |
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status.dwCheckPoint = 0; |
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status.dwWaitHint = 0; |
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|
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SetServiceStatus(handle, &status); |
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|
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try |
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{ |
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FingerDaemon(); |
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} |
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catch (...) {} |
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|
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status.dwCurrentState = SERVICE_STOPPED; |
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status.dwWin32ExitCode = NO_ERROR; |
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status.dwCheckPoint = 0; |
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status.dwWaitHint = 0; |
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|
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SetServiceStatus(handle, &status); |
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} |
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|
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void WINAPI FingerControl(DWORD control) |
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{ |
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switch (control) |
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{ |
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case SERVICE_CONTROL_STOP: |
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case SERVICE_CONTROL_SHUTDOWN: |
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status.dwCurrentState = SERVICE_STOP_PENDING; |
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|
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SetEvent(stop); |
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|
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break; |
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|
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case SERVICE_CONTROL_INTERROGATE: |
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break; |
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} |
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|
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SetServiceStatus(handle, &status); |
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} |
