initial import

Net/testsuite/src/MulticastEchoServer.cpp

@@ -0,0 +1,117 @@
+//
+// MulticastEchoServer.cpp
+//
+// $Id: //poco/1.1.0/Net/testsuite/src/MulticastEchoServer.cpp#2 $
+//
+// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// 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, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#include "MulticastEchoServer.h"
+#include "Foundation/Timespan.h"
+#include <iostream>
+
+
+using Net::Socket;
+using Net::DatagramSocket;
+using Net::SocketAddress;
+using Net::IPAddress;
+using Net::NetworkInterface;
+
+
+MulticastEchoServer::MulticastEchoServer():
+	_group("239.255.1.2", 12345),
+	_if(findInterface()),
+	_thread("MulticastEchoServer"),
+	_stop(false)
+{
+	_socket.bind(SocketAddress(IPAddress(), _group.port()), true);
+	_socket.joinGroup(_group.host(), _if);
+	_thread.start(*this);
+	_ready.wait();
+}
+
+
+MulticastEchoServer::~MulticastEchoServer()
+{
+	_stop = true;
+	_thread.join();
+	_socket.leaveGroup(_group.host(), _if);
+}
+
+
+Foundation::UInt16 MulticastEchoServer::port() const
+{
+	return _socket.address().port();
+}
+
+
+void MulticastEchoServer::run()
+{
+	_ready.set();
+	Foundation::Timespan span(250000);
+	while (!_stop)
+	{
+		if (_socket.poll(span, Socket::SELECT_READ))
+		{
+			try
+			{
+				char buffer[256];
+				SocketAddress sender;
+				int n = _socket.receiveFrom(buffer, sizeof(buffer), sender);
+				_socket.sendTo(buffer, n, sender);
+			}
+			catch (Foundation::Exception& exc)
+			{
+				std::cerr << "MulticastEchoServer: " << exc.displayText() << std::endl;
+			}
+		}
+	}
+}
+
+
+const SocketAddress& MulticastEchoServer::group() const
+{
+	return _group;
+}
+
+
+const NetworkInterface& MulticastEchoServer::interface() const
+{
+	return _if;
+}
+
+
+Net::NetworkInterface MulticastEchoServer::findInterface()
+{
+	NetworkInterface::NetworkInterfaceList ifs = NetworkInterface::list();
+	for (NetworkInterface::NetworkInterfaceList::const_iterator it = ifs.begin(); it != ifs.end(); ++it)
+	{
+		if (it->supportsIPv4() && it->address().isUnicast() && !it->address().isLoopback())
+			return *it;
+	}
+	return NetworkInterface();
+}