mirror of
https://github.com/VCMP-SqMod/SqMod.git
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4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
108 lines
2.0 KiB
C++
108 lines
2.0 KiB
C++
//
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// MulticastEchoServer.cpp
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//
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// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "MulticastEchoServer.h"
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#ifdef POCO_NET_HAS_INTERFACE
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#include "Poco/Timespan.h"
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#include <iostream>
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using Poco::Net::Socket;
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using Poco::Net::DatagramSocket;
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using Poco::Net::SocketAddress;
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using Poco::Net::IPAddress;
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using Poco::Net::NetworkInterface;
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MulticastEchoServer::MulticastEchoServer():
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_group("239.255.1.2", 12345),
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_if(findInterface()),
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_thread("MulticastEchoServer"),
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_stop(false)
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{
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_socket.bind(SocketAddress(IPAddress(), _group.port()), true);
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_socket.joinGroup(_group.host(), _if);
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_thread.start(*this);
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_ready.wait();
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}
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MulticastEchoServer::~MulticastEchoServer()
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{
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_stop = true;
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_thread.join();
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_socket.leaveGroup(_group.host(), _if);
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}
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Poco::UInt16 MulticastEchoServer::port() const
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{
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return _socket.address().port();
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}
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void MulticastEchoServer::run()
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{
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_ready.set();
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Poco::Timespan span(250000);
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while (!_stop)
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{
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if (_socket.poll(span, Socket::SELECT_READ))
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{
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try
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{
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char buffer[256];
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SocketAddress sender;
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int n = _socket.receiveFrom(buffer, sizeof(buffer), sender);
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_socket.sendTo(buffer, n, sender);
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}
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catch (Poco::Exception& exc)
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{
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std::cerr << "MulticastEchoServer: " << exc.displayText() << std::endl;
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}
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}
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}
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}
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const SocketAddress& MulticastEchoServer::group() const
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{
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return _group;
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}
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const NetworkInterface& MulticastEchoServer::interfc() const
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{
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return _if;
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}
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Poco::Net::NetworkInterface MulticastEchoServer::findInterface()
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{
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NetworkInterface::Map m = NetworkInterface::map();
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for (NetworkInterface::Map::const_iterator it = m.begin(); it != m.end(); ++it)
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{
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if (it->second.supportsIPv4() &&
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it->second.firstAddress(IPAddress::IPv4).isUnicast() &&
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!it->second.isLoopback() &&
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!it->second.isPointToPoint())
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{
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return it->second;
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}
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}
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return NetworkInterface();
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}
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#endif // POCO_NET_HAS_INTERFACE
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