reactos/base/services/audiosrv/services.c

115 lines
2.2 KiB
C
Raw Normal View History

/*
* PROJECT: ReactOS
* LICENSE: GPL - See COPYING in the top level directory
* FILE: base/services/audiosrv/services.c
* PURPOSE: Audio Service Plug and Play
* COPYRIGHT: Copyright 2009 Johannes Anderwald
*/
#include <windows.h>
#include <winuser.h>
#include <dbt.h>
#include <setupapi.h>
#include <ks.h>
#include <ksmedia.h>
#include <audiosrv/audiosrv.h>
#include "audiosrv.h"
BOOL
WaitForService(
SC_HANDLE hService,
ULONG RetryCount)
{
ULONG Index = 0;
DWORD dwSize;
SERVICE_STATUS_PROCESS Info;
do
{
if (!QueryServiceStatusEx(hService, SC_STATUS_PROCESS_INFO, (LPBYTE)&Info, sizeof(SERVICE_STATUS_PROCESS), &dwSize))
{
logmsg("QueryServiceStatusEx failed %x\n", GetLastError());
break;
}
if (Info.dwCurrentState == SERVICE_RUNNING)
return TRUE;
Sleep(1000);
}while(Index++ < RetryCount);
logmsg("Timeout while waiting for service to become ready %p\n", hService);
return FALSE;
}
BOOL
StartAudioService(
SC_HANDLE hSCManager,
LPWSTR ServiceName,
ULONG RetryCount)
{
SC_HANDLE hService;
BOOL ret;
hService = OpenService(hSCManager, ServiceName, SERVICE_ALL_ACCESS);
if (!hService)
{
logmsg("Failed to open service %S %x\n", ServiceName, GetLastError());
return FALSE;
}
if (!StartService(hService, 0, NULL))
{
logmsg("Failed to start service %S %x\n", ServiceName, GetLastError());
CloseServiceHandle(hService);
return FALSE;
}
ret = WaitForService(hService, RetryCount);
CloseServiceHandle(hService);
return ret;
}
BOOL
StartSystemAudioServices()
{
SC_HANDLE hSCManager;
logmsg("Starting system audio services\n");
hSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT);
if (!hSCManager)
{
logmsg("Failed to open service manager %x\n", GetLastError());
return FALSE;
}
logmsg("Starting sysaudio service\n");
StartAudioService(hSCManager, L"sysaudio", 20);
logmsg("Starting wdmaud service\n");
StartAudioService(hSCManager, L"wdmaud", 20);
CloseServiceHandle(hSCManager);
return TRUE;
}