public void start() throws InterruptedException {
initializer.initServerState();
EventLoopGroup bossGroup = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.childHandler(new ServerInitializer(context));
b.bind(9090).sync().channel().closeFuture().sync();
log.info("Server started " + new Date());
} finally {
log.info("Server is shutting down " + new Date());
bossGroup.shutdown();
workerGroup.shutdown();
}
}
public void run() throws Exception {
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group).channel(NioSocketChannel.class).handler(new TelnetClientInitializer());
// Start the connection attempt.
Channel ch = b.connect(host, port).sync().channel();
// Read commands from the stdin.
ChannelFuture lastWriteFuture = null;
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
for (; ; ) {
String line = in.readLine();
if (line == null) {
break;
}
// Sends the received line to the server.
lastWriteFuture = ch.write(line + "\r\n");
// If user typed the 'bye' command, wait until the server closes
// the connection.
if ("bye".equals(line.toLowerCase())) {
ch.closeFuture().sync();
break;
}
}
// Wait until all messages are flushed before closing the channel.
if (lastWriteFuture != null) {
lastWriteFuture.sync();
}
} finally {
group.shutdown();
}
}
public void run() throws Exception {
// Address to bind on / connect to.
final LocalAddress addr = new LocalAddress(port);
EventLoopGroup serverGroup = new LocalEventLoopGroup();
EventLoopGroup clientGroup = new NioEventLoopGroup(); // NIO event loops are also OK
try {
// Note that we can use any event loop to ensure certain local channels
// are handled by the same event loop thread which drives a certain socket channel
// to reduce the communication latency between socket channels and local channels.
ServerBootstrap sb = new ServerBootstrap();
sb.group(serverGroup)
.channel(LocalServerChannel.class)
.handler(
new ChannelInitializer<LocalServerChannel>() {
@Override
public void initChannel(LocalServerChannel ch) throws Exception {
ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO));
}
})
.childHandler(
new ChannelInitializer<LocalChannel>() {
@Override
public void initChannel(LocalChannel ch) throws Exception {
ch.pipeline()
.addLast(new LoggingHandler(LogLevel.INFO), new LocalEchoServerHandler());
}
});
Bootstrap cb = new Bootstrap();
cb.group(clientGroup)
.channel(LocalChannel.class)
.handler(
new ChannelInitializer<LocalChannel>() {
@Override
public void initChannel(LocalChannel ch) throws Exception {
ch.pipeline()
.addLast(new LoggingHandler(LogLevel.INFO), new LocalEchoClientHandler());
}
});
// Start the server.
sb.bind(addr).sync();
// Start the client.
Channel ch = cb.connect(addr).sync().channel();
// Read commands from the stdin.
System.out.println("Enter text (quit to end)");
ChannelFuture lastWriteFuture = null;
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
for (; ; ) {
String line = in.readLine();
if (line == null || "quit".equalsIgnoreCase(line)) {
break;
}
// Sends the received line to the server.
lastWriteFuture = ch.write(line);
}
// Wait until all messages are flushed before closing the channel.
if (lastWriteFuture != null) {
lastWriteFuture.awaitUninterruptibly();
}
} finally {
serverGroup.shutdown();
clientGroup.shutdown();
}
}
