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173 lines
5 KiB
C
173 lines
5 KiB
C
/*
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* PROJECT: ReactOS
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: base/services/audiosrv/main.c
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* PURPOSE: Audio Service
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* COPYRIGHT: Copyright 2007 Andrew Greenwood
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*/
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#include "audiosrv.h"
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SERVICE_STATUS_HANDLE service_status_handle;
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SERVICE_STATUS service_status;
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/* This is for testing only! */
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VOID
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InitializeFakeDevice()
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{
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PnP_AudioDevice* list_node;
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list_node = CreateDeviceDescriptor(L"ThisDeviceDoesNotReallyExist", TRUE);
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AppendAudioDeviceToList(list_node);
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DestroyDeviceDescriptor(list_node);
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}
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DWORD WINAPI
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ServiceControlHandler(
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DWORD dwControl,
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DWORD dwEventType,
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LPVOID lpEventData,
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LPVOID lpContext)
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{
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switch ( dwControl )
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{
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case SERVICE_CONTROL_INTERROGATE :
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{
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logmsg("* Interrogation\n");
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return NO_ERROR;
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}
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case SERVICE_CONTROL_STOP :
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case SERVICE_CONTROL_SHUTDOWN :
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{
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logmsg("* Service Stop/Shutdown request received\n");
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logmsg("Unregistering device notifications\n");
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UnregisterDeviceNotifications();
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logmsg("Destroying audio device list\n");
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DestroyAudioDeviceList();
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service_status.dwCurrentState = SERVICE_STOP_PENDING;
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SetServiceStatus(service_status_handle, &service_status);
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service_status.dwWin32ExitCode = 0;
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service_status.dwCurrentState = SERVICE_STOPPED;
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SetServiceStatus(service_status_handle, &service_status);
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logmsg("* Service stopped\n");
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return NO_ERROR;
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}
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case SERVICE_CONTROL_DEVICEEVENT :
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{
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logmsg("* Device Event\n");
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return HandleDeviceEvent(dwEventType, lpEventData);
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}
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default :
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return ERROR_CALL_NOT_IMPLEMENTED;
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};
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/*SetServiceStatus(service_status_handle, &service_status);*/
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}
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VOID CALLBACK
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ServiceMain(DWORD argc, LPWSTR argv)
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{
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logmsg("* Service starting\n");
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logmsg("Registering service control handler...\n");
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service_status_handle = RegisterServiceCtrlHandlerExW(SERVICE_NAME,
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ServiceControlHandler,
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NULL);
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logmsg("Service status handle %d\n", service_status_handle);
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if ( ! service_status_handle )
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{
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logmsg("Failed to register service control handler\n");
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/* FIXME - we should fail */
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}
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/* Set these to defaults */
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service_status.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
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service_status.dwServiceSpecificExitCode = 0;
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service_status.dwWin32ExitCode = NO_ERROR;
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service_status.dwWaitHint = 0;
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service_status.dwControlsAccepted = 0;
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service_status.dwCheckPoint = 0;
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/* Tell SCM we're starting */
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service_status.dwCurrentState = SERVICE_START_PENDING;
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SetServiceStatus(service_status_handle, &service_status);
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logmsg("Creating audio device list\n");
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/* This creates the audio device list and mutex */
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if ( ! CreateAudioDeviceList(AUDIO_LIST_MAX_SIZE) )
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{
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logmsg("Failed to create audio device list\n");
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service_status.dwCurrentState = SERVICE_STOPPED;
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service_status.dwWin32ExitCode = -1;
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SetServiceStatus(service_status_handle, &service_status);
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return;
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}
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logmsg("Registering for device notifications\n");
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/* We want to know when devices are added/removed */
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if ( ! RegisterForDeviceNotifications() )
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{
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/* FIXME: This is not fatal at present as ROS does not support this */
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logmsg("Failed to register for device notifications\n");
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/*
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DestroyAudioDeviceList();
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service_status.dwCurrentState = SERVICE_STOPPED;
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service_status.dwWin32ExitCode = -1;
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SetServiceStatus(service_status_handle, &service_status);
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return;
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*/
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}
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/* start system audio services */
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StartSystemAudioServices();
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InitializeFakeDevice();
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logmsg("Processing existing devices\n");
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/* Now find any devices that already exist on the system */
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if ( ! ProcessExistingDevices() )
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{
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logmsg("Could not process existing devices\n");
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UnregisterDeviceNotifications();
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DestroyAudioDeviceList();
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service_status.dwCurrentState = SERVICE_STOPPED;
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service_status.dwWin32ExitCode = -1;
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SetServiceStatus(service_status_handle, &service_status);
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return;
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}
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logmsg("* Service started\n");
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/* Tell SCM we are now running, and we may be stopped */
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service_status.dwCurrentState = SERVICE_RUNNING;
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service_status.dwControlsAccepted = SERVICE_ACCEPT_STOP;
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SetServiceStatus(service_status_handle, &service_status);
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}
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int wmain()
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{
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SERVICE_TABLE_ENTRYW service_table[] =
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{
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{ SERVICE_NAME, (LPSERVICE_MAIN_FUNCTIONW) ServiceMain },
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{ NULL, NULL }
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};
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logmsg("Audio Service main()\n");
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if (!StartServiceCtrlDispatcherW(service_table))
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logmsg("StartServiceCtrlDispatcher failed\n");
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return 0;
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}
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