internal static Process GetServiceProcess(string serviceName, out Exception exception)
{
exception = null;
Process result = null;
try
{
NativeMethods.SERVICE_STATUS_PROCESS serviceStatusInfo = ServiceOperations.GetServiceStatusInfo(serviceName);
if (serviceStatusInfo != null)
{
if (serviceStatusInfo.currentState != 1 && serviceStatusInfo.processID != 0)
{
result = ServiceOperations.GetProcessByIdBestEffort(serviceStatusInfo.processID, out exception);
}
else
{
exception = new AmGetServiceProcessException(serviceName, serviceStatusInfo.currentState, serviceStatusInfo.processID);
}
}
}
catch (Win32Exception ex)
{
exception = ex;
}
if (exception != null)
{
ServiceOperations.Tracer.TraceError <string, Exception>(0L, "GetServiceProcess({0}) failed: {1}", serviceName, exception);
}
return(result);
}
internal static NativeMethods.SERVICE_STATUS_PROCESS GetServiceStatusInfo(string serviceName)
{
NativeMethods.SERVICE_STATUS_PROCESS result;
using (ServiceController serviceController = new ServiceController(serviceName))
{
using (SafeHandle serviceHandle = serviceController.ServiceHandle)
{
NativeMethods.SERVICE_STATUS_PROCESS service_STATUS_PROCESS = null;
int num = Marshal.SizeOf(typeof(NativeMethods.SERVICE_STATUS_PROCESS));
IntPtr intPtr = Marshal.AllocHGlobal(num);
try
{
if (!NativeMethods.QueryServiceStatusEx(serviceHandle, 0, intPtr, num, out num))
{
int lastWin32Error = Marshal.GetLastWin32Error();
ServiceOperations.Tracer.TraceError <int>(0L, "QueryServiceStatusEx() failed with error: {0}", lastWin32Error);
throw new Win32Exception();
}
NativeMethods.SERVICE_STATUS_PROCESS service_STATUS_PROCESS2 = (NativeMethods.SERVICE_STATUS_PROCESS)Marshal.PtrToStructure(intPtr, typeof(NativeMethods.SERVICE_STATUS_PROCESS));
service_STATUS_PROCESS = new NativeMethods.SERVICE_STATUS_PROCESS();
service_STATUS_PROCESS.serviceType = service_STATUS_PROCESS2.serviceType;
service_STATUS_PROCESS.currentState = service_STATUS_PROCESS2.currentState;
service_STATUS_PROCESS.controlsAccepted = service_STATUS_PROCESS2.controlsAccepted;
service_STATUS_PROCESS.win32ExitCode = service_STATUS_PROCESS2.win32ExitCode;
service_STATUS_PROCESS.serviceSpecificExitCode = service_STATUS_PROCESS2.serviceSpecificExitCode;
service_STATUS_PROCESS.checkPoint = service_STATUS_PROCESS2.checkPoint;
service_STATUS_PROCESS.waitHint = service_STATUS_PROCESS2.waitHint;
service_STATUS_PROCESS.processID = service_STATUS_PROCESS2.processID;
service_STATUS_PROCESS.serviceFlags = service_STATUS_PROCESS2.serviceFlags;
}
finally
{
Marshal.FreeHGlobal(intPtr);
}
result = service_STATUS_PROCESS;
}
}
return(result);
}
