Java tutorial
/* * Copyright 2012 The Netty Project * * The Netty Project licenses this file to you under the Apache License, * version 2.0 (the "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. */ package com.thomas.netty4; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.ChannelInboundHandlerAdapter; import java.util.HashMap; import java.util.Map; /** * Handler implementation for the echo client. It initiates the ping-pong * traffic between the echo client and server by sending the first message to * the server. */ public class SimpleCourtClientHandler extends ChannelInboundHandlerAdapter { public static Map<Integer, Integer> messages = new HashMap<Integer, Integer>(); public static long begin = System.currentTimeMillis(); public static long last = System.currentTimeMillis(); public static long response = 0; private int request_size = 0; //private final ByteBuf firstMessage; /** * Creates a client-side handler. */ public SimpleCourtClientHandler(int request_size) { //firstMessage = Unpooled.buffer(SimpleEchoClient.SIZE); // for (int i = 0; i < firstMessage.capacity(); i ++) { // firstMessage.writeByte((byte) i); // } this.request_size = request_size; } @Override public void channelActive(ChannelHandlerContext ctx) { //ctx.writeAndFlush(firstMessage); } @Override public void channelRead(ChannelHandlerContext ctx, Object msg) { //ctx.write(msg); //int port = ((InetSocketAddress)ctx.channel().localAddress()).getPort(); // Integer number = messages.get(port); // if(number != null) { // messages.put(port, number ++); // } response++; long current = System.currentTimeMillis(); if (current - last > 1000) { last = current; String print = String.format("%1s sec %2s response", (current - begin) / 1000, response); System.out.println(print); } //ByteBuf buf = ((ByteBuf)msg); ////System.out.println("consume : " + Unpooled.copiedBuffer(bbuf)); //System.out.println("consume : " + new String(Unpooled.copiedBuffer(buf).array(), CharsetUtil.UTF_8)); //TODO statistic } @Override public void channelReadComplete(ChannelHandlerContext ctx) { ctx.flush(); } @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) { // Close the connection when an exception is raised. cause.printStackTrace(); ctx.close(); } }