public static Transfer Receive(SafeHandleMinusOneIsInvalid handle)
{
if (NativeMethods.ConnectNamedPipe(handle, IntPtr.Zero) == false)
{
throw new Win32Exception();
}
uint available = 0;
while (available == 0)
{
uint bytesRead = 0, thismsg = 0;
if (NativeMethods.PeekNamedPipe(handle, null, 0, ref bytesRead, ref available, ref thismsg) == false)
{
Thread.Sleep(100);
available = 0;
}
}
byte[] buffer = new byte[available];
uint read = 0;
NativeOverlapped overlapped = new NativeOverlapped();
if (NativeMethods.ReadFile(handle, buffer, (uint)buffer.Length, ref read, ref overlapped) == false)
{
throw new Win32Exception();
}
if (read != available)
{
throw new InvalidOperationException("Invalid byte count.");
}
return(Transfer.Deserialize(buffer));
}
private static void Run()
{
while (!ServiceThread.CancelEvent.WaitOne(0, false))
{
try {
ServiceThread.Handle = Transfer.Create();
while (!ServiceThread.CancelEvent.WaitOne(0, false))
{
var trans = Transfer.Receive(ServiceThread.Handle);
try {
switch (trans.Command)
{
case "Start": {
using (var service = new ServiceController(trans.ServiceName)) {
service.Start();
}
} break;
case "Stop": {
using (var service = new ServiceController(trans.ServiceName)) {
service.Stop();
}
} break;
}
} catch (InvalidOperationException ex) {
Trace.TraceWarning(ex.Message);
}
}
} catch (Win32Exception) {
} catch (ThreadAbortException) {
} finally {
if (ServiceThread.Handle != null)
{
ServiceThread.Handle.Close();
}
}
}
}
public static extern bool ReadFile(SafeHandleMinusOneIsInvalid hFile, byte[] lpBuffer, uint nNumberOfBytesToRead, ref uint lpNumberOfBytesRead, ref NativeOverlapped lpOverlapped);
public static extern bool PeekNamedPipe(SafeHandleMinusOneIsInvalid hNamedPipe, byte[] lpBuffer, uint nBufferSize, ref uint lpBytesRead, ref uint lpTotalBytesAvail, ref uint lpBytesLeftThisMessage);
public static extern bool ConnectNamedPipe(SafeHandleMinusOneIsInvalid hNamedPipe, IntPtr lpOverlapped);
public static void Cancel(SafeHandleMinusOneIsInvalid handle)
{
NativeMethods.CancelIoEx(handle, IntPtr.Zero);
}