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Imported Upstream version 4.3.2.467
Former-commit-id: 9c2cb47f45fa221e661ab616387c9cda183f283d
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mcs/class/test-helpers/SocketResponder.cs
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120
mcs/class/test-helpers/SocketResponder.cs
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//
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// SocketResponder.cs - Utility class for tests that require a listener
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//
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// Author:
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// Gert Driesen (drieseng@users.sourceforge.net)
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//
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// Copyright (C) 2007 Gert Driesen
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Globalization;
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using System.IO;
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using System.Net;
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using System.Net.Sockets;
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using System.Text;
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using System.Threading.Tasks;
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namespace MonoTests.Helpers
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{
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public delegate byte [] SocketRequestHandler (Socket socket);
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public class SocketResponderException : Exception
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{
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public SocketResponderException (string message)
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: base (message)
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{
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}
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}
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public class SocketResponder : IDisposable
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{
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private TcpListener tcpListener;
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private Task listenTask;
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private Socket listenSocket;
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private SocketRequestHandler requestHandler;
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private bool disposed;
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private const int SOCKET_CLOSED = 10004;
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private const int SOCKET_INVALID_ARGS = 10022;
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public SocketResponder (IPEndPoint ep, SocketRequestHandler rh)
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{
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requestHandler = rh;
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tcpListener = new TcpListener (ep);
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tcpListener.Start ();
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listenTask = Task.Run (Listen);
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}
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public void Dispose ()
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{
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if (disposed)
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return;
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disposed = true;
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tcpListener.Stop ();
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if (listenSocket != null)
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listenSocket.Close ();
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if (!listenTask.Wait (5000))
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throw new SocketResponderException ("Failed to stop in less than 5 seconds");
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}
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private void Listen ()
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{
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while (!disposed) {
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listenSocket = null;
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try {
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listenSocket = tcpListener.AcceptSocket ();
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listenSocket.Send (requestHandler (listenSocket));
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try {
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listenSocket.Shutdown (SocketShutdown.Receive);
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listenSocket.Shutdown (SocketShutdown.Send);
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} catch {
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}
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} catch (SocketException ex) {
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// ignore interruption of blocking call
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if (ex.ErrorCode != SOCKET_CLOSED && ex.ErrorCode != SOCKET_INVALID_ARGS && !disposed)
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throw;
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} catch (ObjectDisposedException ex) {
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if (!disposed)
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throw;
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#if MOBILE
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} catch (InvalidOperationException ex) {
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// This breaks some tests running on Android. The problem is that the stack trace
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// doesn't point to where the exception is actually thrown from but the entire process
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// is aborted because of unhandled exception.
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Console.WriteLine ("SocketResponder.Listen failed:");
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Console.WriteLine (ex);
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#endif
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} finally {
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if (listenSocket != null)
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listenSocket.Close ();
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}
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}
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}
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}
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}
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