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//
// SocketResponder.cs - Utility class for tests that require a listener
//
// Author:
// Gert Driesen (drieseng@users.sourceforge.net)
//
// Copyright (C) 2007 Gert Driesen
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Globalization;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
namespace MonoTests.System.Net
{
public delegate byte [] SocketRequestHandler (Socket socket);
public class SocketResponder : IDisposable
{
private TcpListener tcpListener;
private readonly IPEndPoint _localEndPoint;
private Thread listenThread;
private SocketRequestHandler _requestHandler;
private bool _stopped = true;
private readonly object _syncRoot = new object ();
private const int SOCKET_CLOSED = 10004;
private const int SOCKET_INVALID_ARGS = 10022;
public SocketResponder (IPEndPoint localEP, SocketRequestHandler requestHandler)
{
_localEndPoint = localEP;
_requestHandler = requestHandler;
}
public IPEndPoint LocalEndPoint
{
get { return _localEndPoint; }
}
public void Dispose ()
{
Stop ();
}
public bool IsStopped
{
get
{
lock (_syncRoot) {
return _stopped;
}
}
}
public void Start ()
{
lock (_syncRoot) {
if (!_stopped)
return;
_stopped = false;
tcpListener = new TcpListener (LocalEndPoint);
tcpListener.Start ();
listenThread = new Thread (new ThreadStart (Listen));
listenThread.Start ();
}
}
public void Stop ()
{
lock (_syncRoot) {
if (_stopped)
return;
_stopped = true;
if (tcpListener != null) {
tcpListener.Stop ();
tcpListener = null;
Thread.Sleep (50);
}
}
}
private void Listen ()
{
while (!_stopped) {
Socket socket = null;
try {
socket = tcpListener.AcceptSocket ();
socket.Send (_requestHandler (socket));
try {
socket.Shutdown (SocketShutdown.Receive);
socket.Shutdown (SocketShutdown.Send);
} catch {
}
} catch (SocketException ex) {
// ignore interruption of blocking call
if (ex.ErrorCode != SOCKET_CLOSED && ex.ErrorCode != SOCKET_INVALID_ARGS)
throw;
} finally {
Thread.Sleep (500);
if (socket != null)
socket.Close ();
}
}
}
}
}
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