public void runServer() throws Exception {
final ServerBootstrap sb = new ServerBootstrap();
try {
sb.group(new NioEventLoopGroup(), new NioEventLoopGroup())
.channel(NioServerSocketChannel.class)
.childHandler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(final SocketChannel ch) throws Exception {
ch.pipeline()
.addLast(
new HttpRequestDecoder(),
new HttpObjectAggregator(65536),
new HttpResponseEncoder(),
new WebSocketServerProtocolHandler("/websocket"));
}
});
final Channel ch = sb.bind(8080).sync().channel();
context
.getScheduler()
.scheduleWithFixedDelay(
new Runnable() {
@Override
public void run() {
if (ch != null) {
if (ch.isActive()) {
String report = reporter.makeReport();
ch.write(new TextWebSocketFrame(report));
ch.flush();
log.info("Report sent");
} else {
log.warn(
"Cannot send report on channel (A,O,R) ("
+ ch.isActive()
+ ", "
+ ch.isOpen()
+ ", "
+ ch.isRegistered()
+ ")");
}
} else {
log.error("Channel is null!");
}
}
},
15,
context.getProps().getReportLogInterval(),
TimeUnit.SECONDS);
log.info("Web socket server started at port " + 8080);
ch.closeFuture().sync();
log.info("Web socket server stoped");
} finally {
sb.shutdown();
log.info("Web socket server shutdown");
}
}
@Test
public void testLocalAddressReuse() throws Exception {
for (int i = 0; i < 2; i++) {
LocalAddress addr = new LocalAddress(LOCAL_ADDR_ID);
Bootstrap cb = new Bootstrap();
ServerBootstrap sb = new ServerBootstrap();
cb.eventLoop(new LocalEventLoop())
.channel(new LocalChannel())
.remoteAddress(addr)
.handler(new TestHandler());
sb.eventLoop(new LocalEventLoop(), new LocalEventLoop())
.channel(new LocalServerChannel())
.localAddress(addr)
.childHandler(
new ChannelInitializer<LocalChannel>() {
@Override
public void initChannel(LocalChannel ch) throws Exception {
ch.pipeline().addLast(new TestHandler());
}
});
// Start server
Channel sc = sb.bind().sync().channel();
// Connect to the server
Channel cc = cb.connect().sync().channel();
// Send a message event up the pipeline.
cc.pipeline().inboundMessageBuffer().add("Hello, World");
cc.pipeline().fireInboundBufferUpdated();
// Close the channel
cc.close().sync();
sb.shutdown();
cb.shutdown();
sc.closeFuture().sync();
Assert.assertTrue(
String.format(
"Expected null, got channel '%s' for local address '%s'",
LocalChannelRegistry.get(addr), addr),
LocalChannelRegistry.get(addr) == null);
}
}
public void run() throws Exception {
ServerBootstrap b = new ServerBootstrap();
try {
b.group(new NioEventLoopGroup(), new NioEventLoopGroup())
.channel(NioServerSocketChannel.class)
.localAddress(port)
.childHandler(new HttpUploadServerInitializer());
Channel ch = b.bind().sync().channel();
System.out.println("HTTP Upload Server at port " + port + '.');
System.out.println("Open your browser and navigate to http://localhost:" + port + '/');
ch.closeFuture().sync();
} finally {
b.shutdown();
}
}
public void run() throws Exception {
// Address to bind on / connect to.
final LocalAddress addr = new LocalAddress(port);
Bootstrap cb = new Bootstrap();
ServerBootstrap sb = new ServerBootstrap();
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.
sb.eventLoop(new LocalEventLoop(), new LocalEventLoop())
.channel(new LocalServerChannel())
.localAddress(addr)
.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());
}
});
cb.eventLoop(new NioEventLoop())
.channel(new LocalChannel())
.remoteAddress(addr)
.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().sync();
// Start the client.
Channel ch = cb.connect().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 {
sb.shutdown();
cb.shutdown();
}
}
@Override
public void shutdown() throws Exception {
server.shutdown();
}
