content: /*
   * 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 io.jafka.http;
  
  import io.netty.bootstrap.ServerBootstrap;
  import io.netty.channel.Channel;
  import io.netty.channel.ChannelOption;
  import io.netty.channel.EventLoopGroup;
  import io.netty.channel.nio.NioEventLoopGroup;
  import io.netty.channel.socket.nio.NioServerSocketChannel;
  import org.apache.log4j.BasicConfigurator;
  import org.apache.log4j.Level;
  import org.apache.log4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.io.Closeable;
  import java.io.IOException;
  
  /**
   * An HTTP server that sends back the content of the received HTTP request
   * in a pretty plaintext form.
   */
  public class HttpServer extends Thread implements Closeable{
  
      private final int port;
      final EventLoopGroup bossGroup = new NioEventLoopGroup();
      final EventLoopGroup workerGroup = new NioEventLoopGroup(10);
      final HttpRequestHandler handler;
      final org.slf4j.Logger logger = LoggerFactory.getLogger(getClass());
      //
      public HttpServer(int port,HttpRequestHandler handler) {
          super("jafka-httpserver");
          this.port = port;
          this.handler = handler;
      }
  
      public void run() {
          // Configure the server.
          //
  
          try {
              ServerBootstrap b = new ServerBootstrap();
              b.option(ChannelOption.SO_BACKLOG, 1024);
              b.group(bossGroup, workerGroup)
                      .channel(NioServerSocketChannel.class)
                      .childHandler(new HttpServerInitializer(this));
  
              Channel ch = b.bind(port).sync().channel();
              //System.err.println("Open your web browser and navigate to " + "http://127.0.0.1:" + port + '/');
             logger.info("Jafka HttpServer start at port {}",port);
              ch.closeFuture().sync();
          } catch (InterruptedException ie){
              Thread.currentThread().interrupt();
              throw new RuntimeException(ie.getMessage(),ie);
          }
          finally {
              bossGroup.shutdownGracefully();
              workerGroup.shutdownGracefully();
          }
          logger.warn("Jafka HttpServer run over");
      }
  
      @Override
      public void close() throws IOException {
          logger.info("Jafka HttpServer stop port {}",port);
          bossGroup.shutdownGracefully();
          workerGroup.shutdownGracefully();
      }
  
      public static void main(String[] args) throws Exception {
          BasicConfigurator.configure();
          Logger.getRootLogger().setLevel(Level.INFO);
          int port;
          if (args.length > 0) {
              port = Integer.parseInt(args[0]);
          } else {
              port = 9093;
          }
          System.out.println("start server");
          new HttpServer(port,null).run();
          System.out.println("server stop");
      }
  }
  