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.
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22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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30 using System.Globalization;
33 using System.Net.Sockets;
35 using System.Threading.Tasks;
37 namespace MonoTests.Helpers
39 public delegate byte [] SocketRequestHandler (Socket socket);
41 public class SocketResponderException : Exception
43 public SocketResponderException (string message)
49 public class SocketResponder : IDisposable
51 private TcpListener tcpListener;
52 private Task listenTask;
53 private Socket listenSocket;
54 private SocketRequestHandler requestHandler;
55 private bool disposed;
57 private const int SOCKET_CLOSED = 10004;
58 private const int SOCKET_INVALID_ARGS = 10022;
60 public SocketResponder (IPEndPoint ep, SocketRequestHandler rh)
64 tcpListener = new TcpListener (ep);
67 listenTask = Task.Run ((Action) Listen);
70 public void Dispose ()
79 if (listenSocket != null)
80 listenSocket.Close ();
82 if (!listenTask.Wait (5000))
83 throw new SocketResponderException ("Failed to stop in less than 5 seconds");
86 private void Listen ()
91 listenSocket = tcpListener.AcceptSocket ();
92 listenSocket.Send (requestHandler (listenSocket));
94 // On Windows a Receive() is needed here before Shutdown() to consume the data some tests send.
95 listenSocket.ReceiveTimeout = 10 * 1000;
96 listenSocket.Receive (new byte [0]);
97 listenSocket.Shutdown (SocketShutdown.Send);
98 listenSocket.Shutdown (SocketShutdown.Receive);
101 } catch (SocketException ex) {
102 // ignore interruption of blocking call
103 if (ex.ErrorCode != SOCKET_CLOSED && ex.ErrorCode != SOCKET_INVALID_ARGS && !disposed)
105 } catch (ObjectDisposedException ex) {
109 } catch (InvalidOperationException ex) {
110 // This breaks some tests running on Android. The problem is that the stack trace
111 // doesn't point to where the exception is actually thrown from but the entire process
112 // is aborted because of unhandled exception.
113 Console.WriteLine ("SocketResponder.Listen failed:");
114 Console.WriteLine (ex);
117 if (listenSocket != null)
118 listenSocket.Close ();