/*
    * 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:
    *
    *   https://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.netty5.testsuite.autobahn;
  
  import io.netty5.bootstrap.ServerBootstrap;
  import io.netty5.buffer.api.DefaultBufferAllocators;
  import io.netty5.channel.Channel;
  import io.netty5.channel.ChannelOption;
  import io.netty5.channel.EventLoopGroup;
  import io.netty5.channel.MultithreadEventLoopGroup;
  import io.netty5.channel.nio.NioHandler;
  import io.netty5.channel.socket.nio.NioServerSocketChannel;
  
  /**
   * A Web Socket echo server for running the
   * <a href="http://autobahn.ws/testsuite/">autobahn test suite</a>
   */
  public class AutobahnServer {
  
      private final int port;
  
      public AutobahnServer(int port) {
          this.port = port;
      }
  
      public void run() throws Exception {
          EventLoopGroup bossGroup = new MultithreadEventLoopGroup(1, NioHandler.newFactory());
          EventLoopGroup workerGroup = new MultithreadEventLoopGroup(NioHandler.newFactory());
          try {
              ServerBootstrap b = new ServerBootstrap();
              b.group(bossGroup, workerGroup)
               .channel(NioServerSocketChannel.class)
               .childOption(ChannelOption.BUFFER_ALLOCATOR, DefaultBufferAllocators.preferredAllocator())
               .childHandler(new AutobahnServerInitializer());
  
              Channel channel = b.bind(port).asStage().get();
              System.out.println("Web Socket Server started at port " + port);
              channel.closeFuture().asStage().sync();
          } finally {
              bossGroup.shutdownGracefully();
              workerGroup.shutdownGracefully();
          }
      }
  
      public static void main(String[] args) throws Exception {
          int port;
          if (args.length > 0) {
              port = Integer.parseInt(args[0]);
          } else {
              port = 9000;
          }
          new AutobahnServer(port).run();
      }
  }