WebSocketServer.java

/**
 * Copyright Matthias Weßendorf.
 *
 * Licensed 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 net.wessendorf.websocket.netty.server;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;

/**
 * Taken from the Netty.io project's examples
 */
public class WebSocketServer {

    private final int port;
    private EventLoopGroup bossGroup;
    EventLoopGroup workerGroup;

    public WebSocketServer(int port) {
        this.port = port;
    }

    public void run() throws Exception {
        bossGroup = new NioEventLoopGroup(1);
        workerGroup = new NioEventLoopGroup();
            ServerBootstrap b = new ServerBootstrap();
            b.group(bossGroup, workerGroup)
                    .channel(NioServerSocketChannel.class)
                    .childHandler(new WebSocketServerInitializer());

            Channel ch = b.bind(port).sync().channel();
    }

    public void shutdown() {
        workerGroup.shutdownGracefully();
        bossGroup.shutdownGracefully();
    }
}