/*
* Copyright 2012 JBoss, by Red Hat, Inc
*
* 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 org.jboss.errai.bus.server.io.websockets;
import static org.slf4j.LoggerFactory.getLogger;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.codec.http.HttpObjectAggregator;
import io.netty.handler.codec.http.HttpServerCodec;
import io.netty.handler.ssl.SslHandler;
import org.jboss.errai.bus.server.io.websockets.ssl.SslHandlerFactory;
import org.jboss.errai.bus.server.service.ErraiConfigAttribs;
import org.jboss.errai.bus.server.service.ErraiService;
import org.jboss.errai.bus.server.service.ErraiServiceConfigurator;
import org.slf4j.Logger;
/**
* @author Mike Brock
* @author Christian Sadilek <csadilek@redhat.com>
*/
public class WebSocketServer {
private ErraiService svc;
private Logger log = getLogger(getClass());
private boolean useSecureWebSocket = false;
public WebSocketServer(ErraiService svc) {
this.svc = svc;
}
public void start() {
final ErraiServiceConfigurator esc = svc.getConfiguration();
useSecureWebSocket = ErraiConfigAttribs.SECURE_WEB_SOCKET_SERVER.getBoolean(esc);
final int port = ErraiConfigAttribs.WEB_SOCKET_PORT.getInt(esc);
final ServerBootstrap bootstrap = new ServerBootstrap();
final WebSocketServerHandler webSocketHandler = new WebSocketServerHandler(svc);
try {
final NioEventLoopGroup bossGroup = new NioEventLoopGroup();
final NioEventLoopGroup workerGroup = new NioEventLoopGroup();
final ChannelFuture channelFuture = bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
.childHandler(new ChannelInitializer() {
@Override
protected void initChannel(Channel ch) throws Exception {
if (useSecureWebSocket) {
final SslHandler sslHandler = SslHandlerFactory.buildSslHandler(esc);
ch.pipeline().addLast("ssl", sslHandler);
}
ch.pipeline().addLast("codec-http", new HttpServerCodec());
ch.pipeline().addLast("aggregator", new HttpObjectAggregator(65536));
ch.pipeline().addLast("handler", webSocketHandler);
}
}).bind(port).sync();
svc.addShutdownHook(new Runnable() {
@Override
public void run() {
try {
webSocketHandler.stop();
channelFuture.channel().close();
log.info("web socket server stopped.");
}
catch (Exception e) {
throw new RuntimeException(e);
}
finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
});
}
catch (Throwable t) {
throw new RuntimeException(t);
}
log.info("started web socket server on port: " + port);
}
}