2 // SocketResponder.cs - Utility class for tests that require a listener
5 // Gert Driesen (drieseng@users.sourceforge.net)
7 // Copyright (C) 2007 Gert Driesen
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Globalization;
33 using System.Net.Sockets;
35 using System.Threading;
37 namespace MonoTests.System.Net
39 public delegate byte [] SocketRequestHandler (Socket socket);
41 public class SocketResponder : IDisposable
43 private TcpListener tcpListener;
44 private readonly IPEndPoint _localEndPoint;
45 private Thread listenThread;
46 private Socket listenSocket;
47 private SocketRequestHandler _requestHandler;
48 private int _state = 0;
49 private readonly object _syncRoot = new object ();
51 private const int SOCKET_CLOSED = 10004;
52 private const int SOCKET_INVALID_ARGS = 10022;
54 private const int STATE_UNINITIALIZED = 0;
55 private const int STATE_RUNNING = 1;
56 private const int STATE_STOPPED = 2;
58 public SocketResponder (IPEndPoint localEP, SocketRequestHandler requestHandler)
60 _localEndPoint = localEP;
61 _requestHandler = requestHandler;
64 public IPEndPoint LocalEndPoint
66 get { return _localEndPoint; }
69 public void Dispose ()
79 return _state != STATE_RUNNING;
87 if (_state != STATE_UNINITIALIZED)
88 throw new InvalidOperationException ("cannot restart SocketResponder");
89 _state = STATE_RUNNING;
90 tcpListener = new TcpListener (LocalEndPoint);
92 listenThread = new Thread (new ThreadStart (Listen));
93 listenThread.Start ();
100 if (_state != STATE_RUNNING)
102 _state = STATE_STOPPED;
103 if (tcpListener != null) {
106 if (listenSocket != null)
107 listenSocket.Close ();
108 #if MONO_FEATURE_THREAD_ABORT
109 listenThread.Abort ();
111 listenThread.Interrupt ();
113 listenThread.Join ();
120 private void Listen ()
122 while (_state == STATE_RUNNING) {
125 listenSocket = tcpListener.AcceptSocket ();
126 listenSocket.Send (_requestHandler (listenSocket));
128 listenSocket.Shutdown (SocketShutdown.Receive);
129 listenSocket.Shutdown (SocketShutdown.Send);
132 } catch (SocketException ex) {
133 // ignore interruption of blocking call
134 if (ex.ErrorCode != SOCKET_CLOSED && ex.ErrorCode != SOCKET_INVALID_ARGS)
136 } catch (ObjectDisposedException ex) {
137 Console.WriteLine (ex);
138 if (_state != STATE_STOPPED)
141 } catch (InvalidOperationException ex) {
142 // This breaks some tests running on Android. The problem is that the stack trace
143 // doesn't point to where the exception is actually thrown from but the entire process
144 // is aborted because of unhandled exception.
145 Console.WriteLine ("SocketResponder.Listen failed:");
146 Console.WriteLine (ex);
150 if (listenSocket != null)
151 listenSocket.Close ();