Java tutorial
/* * TeleStax, Open Source Cloud Communications * Copyright 2011-2016, TeleStax Inc. and individual contributors * by the @authors tag. * * This program is free software: you can redistribute it and/or modify * under the terms of the GNU Affero General Public License as * published by the Free Software Foundation; either version 3 of * the License, or (at your option) 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/> */ package org.jdiameter.client.impl.transport.tcp.netty; import org.jdiameter.api.AvpDataException; import org.jdiameter.client.api.IMessage; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.ChannelInboundHandlerAdapter; import io.netty.util.ReferenceCountUtil; /** * * @author <a href="mailto:jqayyum@gmail.com"> Jehanzeb Qayyum </a> */ public class DiameterMessageHandler extends ChannelInboundHandlerAdapter { protected static final Logger logger = LoggerFactory.getLogger(DiameterMessageHandler.class); protected final TCPClientConnection parentConnection; public DiameterMessageHandler(TCPClientConnection parentConnection) { this.parentConnection = parentConnection; } @Override public void channelRead(ChannelHandlerContext ctx, Object msg) { logger.debug("Received message TCP Transport from [{}]", ctx.channel().remoteAddress()); IMessage m = (IMessage) msg; try { logger.debug("Passing message on to parent"); parentConnection.onMessageReceived(m); logger.debug("Finished passing message on to parent"); } catch (AvpDataException e) { logger.debug("Garbage was received. Discarding."); parentConnection.onAvpDataException(e); } finally { ReferenceCountUtil.release(m); } } @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) { logger.error(cause.getMessage(), cause); } }