?? udpmessagesender.java
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/* This file is part of Peers. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. Copyright 2007, 2008 Yohann Martineau */package net.sourceforge.peers.sip.transport;import java.io.IOException;import java.net.DatagramPacket;import java.net.DatagramSocket;import java.net.InetAddress;import java.net.SocketException;import net.sourceforge.peers.Logger;import net.sourceforge.peers.sip.RFC3261;import net.sourceforge.peers.sip.Utils;public class UdpMessageSender extends MessageSender { private DatagramSocket datagramSocket; public UdpMessageSender(InetAddress inetAddress, int port, DatagramSocket datagramSocket) throws SocketException { super(inetAddress, port); this.datagramSocket = datagramSocket; StringBuffer buf = new StringBuffer(); //buf.append(datagramSocket.getLocalAddress().getHostAddress()); buf.append(Utils.getInstance().getMyAddress().getHostAddress()); buf.append(RFC3261.TRANSPORT_PORT_SEP); buf.append(datagramSocket.getLocalPort()); buf.append(RFC3261.PARAM_SEPARATOR); buf.append(RFC3261.PARAM_TRANSPORT); buf.append(RFC3261.PARAM_ASSIGNMENT); buf.append(RFC3261.TRANSPORT_UDP); contact = buf.toString(); localPort = datagramSocket.getLocalPort(); } @Override public synchronized void sendMessage(SipMessage sipMessage) throws IOException { byte[] buf = sipMessage.toString().getBytes(); DatagramPacket packet = new DatagramPacket(buf, buf.length, inetAddress, port); datagramSocket.send(packet); Logger.getInstance().traceNetwork(new String(packet.getData()), "SENT"); }}
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