2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.netconf.netty;
11 import com.google.common.base.Splitter;
12 import io.netty.buffer.ByteBuf;
13 import io.netty.channel.ChannelHandler.Sharable;
14 import io.netty.channel.ChannelHandlerContext;
15 import io.netty.channel.ChannelInboundHandlerAdapter;
16 import java.nio.charset.StandardCharsets;
17 import org.slf4j.Logger;
18 import org.slf4j.LoggerFactory;
21 * Handler implementation for the echo server.
24 public class EchoServerHandler extends ChannelInboundHandlerAdapter {
26 private static final Logger LOG = LoggerFactory.getLogger(EchoServerHandler.class);
27 private String fromLastNewLine = "";
28 private final Splitter splitter = Splitter.onPattern("\r?\n");
31 public void channelActive(ChannelHandlerContext ctx) throws Exception {
32 LOG.debug("sleep start");
34 LOG.debug("sleep done");
38 public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
39 ByteBuf byteBuf = (ByteBuf) msg;
40 String message = byteBuf.toString(StandardCharsets.UTF_8);
41 LOG.info("writing back '{}'", message);
43 fromLastNewLine += message;
44 for (String line : splitter.split(fromLastNewLine)) {
45 if ("quit".equals(line)) {
46 LOG.info("closing server ctx");
51 fromLastNewLine = line; // last line should be preserved
54 // do not release byteBuf as it is handled back
58 public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
59 LOG.debug("flushing");