@Override
public void run() {
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group); // group 组
b.channel(NioSocketChannel.class); // channel 通道
b.option(ChannelOption.TCP_NODELAY, true); // option 选项
b.handler(new ChildChannelHandler()); // handler 处理
// 发起异步链接
f = b.connect(BaseConfig.inetHost, BaseConfig.inetPort);
// 等待客户端链路关闭
f.channel().closeFuture().sync();
} catch (InterruptedException e) {
e.printStackTrace();
} finally {
group.shutdownGracefully();
}
}
public static void main(String[] args) throws Exception {
// Configure SSL.
final SslContext sslCtx;
if (SSL) {
sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
} else {
sslCtx = null;
}
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline p = ch.pipeline();
if (sslCtx != null) {
p.addLast(sslCtx.newHandler(ch.alloc(), HOST, PORT));
}
p.addLast(new DiscardClientHandler());
}
});
// Make the connection attempt.
ChannelFuture f = b.connect(HOST, PORT).sync();
// Wait until the connection is closed.
f.channel().closeFuture().sync();
} finally {
group.shutdownGracefully();
}
}
/** 初始化 */
private void init() {
EventLoopGroup group = new NioEventLoopGroup();
try {
// final LogLevel loglevel = LogLevel.valueOf(p.getProperty("upa_loglevel").toUpperCase());
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ch.pipeline()
.addLast(
new TcpCodec(),
// new LoggingHandler(loglevel),
new TcpClientHandler());
}
});
ChannelFuture cf = b.connect("127.0.0.1", 21108).sync();
// cf.channel().closeFuture().sync();
} catch (InterruptedException e) {
logger.error("client初始化失败：", e); // $NON-NLS-1$
e.printStackTrace();
} finally {
// group.shutdownGracefully();
}
logger.info("client初始化完成");
}
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
// TODO: Suspend incoming traffic until connected to the remote host.
// Currently, we just keep the inbound traffic in the client channel's outbound buffer.
final Channel inboundChannel = ctx.channel();
// Start the connection attempt.
Bootstrap b = new Bootstrap();
b.group(inboundChannel.eventLoop())
.channel(NioSocketChannel.class)
.remoteAddress(remoteHost, remotePort)
.handler(new HexDumpProxyBackendHandler(inboundChannel));
ChannelFuture f = b.connect();
outboundChannel = f.channel();
f.addListener(
new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
if (future.isSuccess()) {
// Connection attempt succeeded:
// TODO: Begin to accept incoming traffic.
} else {
// Close the connection if the connection attempt has failed.
inboundChannel.close();
}
}
});
}
public void connect(int port, String host) throws Exception {
// 配置客户端NIO线程组
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.option(ChannelOption.TCP_NODELAY, true)
.handler(
new ChannelInitializer<SocketChannel>() // 匿名内部类
{
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new TimeClientHandler());
}
});
// 发起异步连接操作
ChannelFuture f = b.connect(host, port).sync();
// 等待客户端链路关闭
f.channel().closeFuture().sync();
} finally {
// 优雅退出，释放NIO线程组
group.shutdownGracefully();
}
}
public void connect() throws Exception {
System.out.println("consumer client start connect");
group = new NioEventLoopGroup();
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.option(ChannelOption.TCP_NODELAY, true)
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new ObjectEncoder());
ch.pipeline()
.addLast(new ObjectDecoder(1024 * 1024, ClassResolvers.cacheDisabled(null)));
ch.pipeline().addLast(new ConsumerHandler());
}
});
channelFuture = b.connect(host, port);
channelFuture.awaitUninterruptibly();
assert channelFuture.isDone();
if (channelFuture.isCancelled()) {
} else if (!channelFuture.isSuccess()) {
throw new RuntimeException(channelFuture.cause().getCause());
}
}
public void connect(int port, String host) throws Exception {
// 配置客户端NIO线程组
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.option(ChannelOption.TCP_NODELAY, true)
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new ProtobufVarint32FrameDecoder());
ch.pipeline()
.addLast(
new ProtobufDecoder(
SubscribeRespProto.SubscribeResp.getDefaultInstance()));
ch.pipeline().addLast(new ProtobufVarint32LengthFieldPrepender());
ch.pipeline().addLast(new ProtobufEncoder());
ch.pipeline().addLast(new SubReqClientHandler());
}
});
// 发起异步连接操作
ChannelFuture f = b.connect(host, port).sync();
// 当代客户端链路关闭
f.channel().closeFuture().sync();
} finally {
// 优雅退出，释放NIO线程组
group.shutdownGracefully();
}
}
public void run() throws Exception {
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioDatagramChannel.class)
.option(ChannelOption.SO_BROADCAST, true)
.handler(new QuoteOfTheMomentClientHandler());
Channel ch = b.bind(0).sync().channel();
// Broadcast the QOTM request to port 8080.
ch.write(
new DatagramPacket(
Unpooled.copiedBuffer("QOTM?", CharsetUtil.UTF_8),
new InetSocketAddress("255.255.255.255", port)))
.flush()
.sync();
// QuoteOfTheMomentClientHandler will close the DatagramChannel when a
// response is received. If the channel is not closed within 5 seconds,
// print an error message and quit.
if (!ch.closeFuture().await(5000)) {
System.err.println("QOTM request timed out.");
}
} finally {
group.shutdownGracefully();
}
}
public void init(ChannelPipelineFactory factory) throws Exception {
id =
String.format("%1$020d", Math.abs(new Random(System.currentTimeMillis()).nextLong()))
.getBytes();
group = new OioEventLoopGroup();
connectionlessBootstrap = new Bootstrap();
connectionlessBootstrap.group(group);
connectionlessBootstrap.option(ChannelOption.SO_BROADCAST, true);
connectionlessBootstrap.handler(factory);
connectionlessBootstrap.channel(OioDatagramChannel.class);
;
datagramChannel =
(DatagramChannel)
connectionlessBootstrap.bind(new InetSocketAddress(mcastGroupPort)).sync().channel();
multicastAddress = new InetSocketAddress(mcastGroupIp, mcastGroupPort);
NetworkInterface networkInterface =
NetworkInterface.getByInetAddress(InetAddress.getByName(bindAddress));
// for (Enumeration nifs = NetworkInterface.getNetworkInterfaces();
// nifs.hasMoreElements(); )
datagramChannel.joinGroup(multicastAddress, null); // (NetworkInterface)
// nifs.nextElement());
init = true;
if (debug) factory.debug();
}
public void start() throws InterruptedException, URISyntaxException {
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group).channel(NioSocketChannel.class);
b.handler(
new ChannelInitializer<Channel>() {
@Override
protected void initChannel(Channel ch) throws Exception {
ChannelPipeline pipeline = ch.pipeline();
pipeline.addLast("decoder", new RtspResponseDecoder());
pipeline.addLast("encoder", new RtspRequestEncoder());
pipeline.addLast("aggregator", new HttpObjectAggregator(1024 * 1024 * 64));
pipeline.addLast("handler", new ResponseHandler());
}
});
b.option(ChannelOption.SO_KEEPALIVE, true);
ChannelFuture channelFutrue = b.connect(host, port).sync();
if (channelFutrue.isSuccess()) {
channel = channelFutrue.channel();
URI uri = new URI("rtsp://127.0.0.1:554/hello-world");
HttpRequest request = this.buildOptionsRequest(uri.toASCIIString());
this.send(request);
channel.closeFuture().sync();
}
} finally {
// 优雅退出，释放NIO线程组
group.shutdownGracefully();
}
}
public void run() {
// Configure the client.
final ThreadFactory connectFactory = new UtilThreadFactory("connect");
final NioEventLoopGroup connectGroup =
new NioEventLoopGroup(1, connectFactory, NioUdtProvider.BYTE_PROVIDER);
try {
final Bootstrap boot = new Bootstrap();
boot.group(connectGroup)
.channelFactory(NioUdtProvider.BYTE_CONNECTOR)
.handler(
new ChannelInitializer() {
@Override
protected void initChannel(Channel ch) throws Exception {
ch.pipeline()
.addLast(new LoggingHandler(LogLevel.INFO), new ModemClientHandler());
}
});
// Start the client.
final ChannelFuture f = boot.connect(host, port).sync();
f.channel().closeFuture().sync();
} catch (Exception e) {
e.printStackTrace();
} finally {
// Shut down the event loop to terminate all threads.
connectGroup.shutdownGracefully();
}
}
public void connection(String host, int port) throws Exception {
// 定义主线程组，处理轮询
NioEventLoopGroup bossGroup = new NioEventLoopGroup();
try {
// 这是客户端的启动类
Bootstrap bs = new Bootstrap();
// 设置线程组
bs.group(bossGroup)
// 设置option参数
.option(ChannelOption.TCP_NODELAY, true)
// 设置客户端SocketChannel
.channel(NioSocketChannel.class)
// 设置客户端处理器
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new TimeClientHandler());
}
});
// 连接到服务器端
ChannelFuture future = bs.connect(host, port).sync();
future.channel().closeFuture().sync();
} finally {
// 优雅退出
bossGroup.shutdownGracefully();
}
}
private static void connect() throws InterruptedException {
// Configure the client.
EventLoopGroup group = new NioEventLoopGroup();
ChannelFuture future = null;
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.option(ChannelOption.TCP_NODELAY, true)
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new IdleStateHandler(0, 4, 0, TimeUnit.SECONDS));
ch.pipeline().addLast(new CustomEncoder());
ch.pipeline().addLast(new CustomClientHandler());
ch.pipeline().addLast(new HeartBeatClientHandler());
}
});
future = b.connect(HOST, PORT).sync();
future.channel().writeAndFlush("Hello Netty Server ,I am a common client");
future.channel().closeFuture().sync();
} finally {
group.shutdownGracefully();
// if (null != future) {
// if (future.channel() != null && future.channel().isOpen()) {
// future.channel().close();
// }
// }
System.out.println("准备重连");
connect();
System.out.println("重连成功");
}
}
public void initialize(String baseUrl, String username, String password)
throws URISyntaxException {
this.username = username;
this.password = password;
group = new NioEventLoopGroup();
baseUri = new URI(baseUrl);
String protocol = baseUri.getScheme();
if (!"http".equals(protocol)) {
throw new IllegalArgumentException("Unsupported protocol: " + protocol);
}
// Bootstrap is the factory for HTTP connections
bootStrap = new Bootstrap();
bootStrap.group(group);
bootStrap.channel(NioSocketChannel.class);
bootStrap.handler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline pipeline = ch.pipeline();
pipeline.addLast("http-codec", new HttpClientCodec());
pipeline.addLast("aggregator", new HttpObjectAggregator(MAX_HTTP_REQUEST_KB * 1024));
pipeline.addLast("http-handler", new NettyHttpClientHandler());
}
});
}
public void run() throws Exception {
// Configure the client.
Bootstrap b = new Bootstrap();
try {
b.group(new NioEventLoopGroup())
.channel(new NioSocketChannel())
.option(ChannelOption.TCP_NODELAY, true)
.remoteAddress(new InetSocketAddress(host, port))
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline()
.addLast(
new LoggingHandler(LogLevel.INFO),
new EchoClientHandler(firstMessageSize));
}
});
// Start the client.
ChannelFuture f = b.connect().sync();
// Wait until the connection is closed.
f.channel().closeFuture().sync();
} finally {
// Shut down the event loop to terminate all threads.
b.shutdown();
}
}
public static void main(String[] args) throws Exception {
// Configure the client.
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.option(ChannelOption.TCP_NODELAY, true)
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline p = ch.pipeline();
p.addLast(new MsgDecoder());
p.addLast(new MsgEncoder());
p.addLast(new EchoClientHandler());
}
});
// Start the client.
ChannelFuture f = b.connect("127.0.0.1", 80).sync();
// Wait until the connection is closed.
f.channel().closeFuture().sync();
} finally {
// Shut down the event loop to terminate all threads.
group.shutdownGracefully();
}
}
public static void main(String[] args) throws InterruptedException {
String host = "localhost";
int port = 8080;
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(workerGroup);
b.channel(NioSocketChannel.class);
b.option(ChannelOption.SO_KEEPALIVE, true);
b.handler(
new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new TimeDecoder(), new TimeClientHandler());
}
});
ChannelFuture f = b.connect(host, port).sync();
f.channel().closeFuture().sync();
} finally {
workerGroup.shutdownGracefully();
}
}
public void run(URI uri) throws Exception {
int port = uri.getPort() > 0 ? uri.getPort() : BaseTestConfig.HTTPS_PORT;
String host = uri.getHost();
// Configure SSL context if necessary.
final SslContext sslCtx;
sslCtx =
SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
// Configure the client.
EventLoopGroup group = new NioEventLoopGroup();
httpsInitializer = generateHttpsInitializer(sslCtx);
try {
Bootstrap b = new Bootstrap();
b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000);
b.group(group).channel(NioSocketChannel.class).handler(httpsInitializer);
// Make the connection attempt.
startTime = System.nanoTime();
Channel ch = b.connect(host, port).sync().channel();
localAddress = ch.localAddress();
remoteAddress = ch.remoteAddress();
sendRequests(uri.toURL(), ch);
// Wait for the server to close the connection.
ch.closeFuture().sync();
endTime = System.nanoTime();
long duration = endTime - startTime;
logger.info(String.format("connection duration: %,dns (%d)", duration, duration));
} finally {
// Shut down executor threads to exit.
group.shutdownGracefully();
}
}
public void run() throws Exception {
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
String protocol = uri.getScheme();
if (!"ws".equals(protocol)) {
throw new IllegalArgumentException("Unsupported protocol: " + protocol);
}
HttpHeaders customHeaders = new DefaultHttpHeaders();
customHeaders.add("MyHeader", "MyValue");
// Connect with V13 (RFC 6455 aka HyBi-17). You can change it to V08 or V00.
// If you change it to V00, ping is not supported and remember to change
// HttpResponseDecoder to WebSocketHttpResponseDecoder in the pipeline.
final WebSocketClientHandler handler =
new WebSocketClientHandler(
WebSocketClientHandshakerFactory.newHandshaker(
uri, WebSocketVersion.V13, null, false, customHeaders));
b.group(group)
.channel(NioSocketChannel.class)
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline pipeline = ch.pipeline();
pipeline.addLast("http-codec", new HttpClientCodec());
pipeline.addLast("aggregator", new HttpObjectAggregator(8192));
pipeline.addLast("ws-handler", handler);
}
});
System.out.println("WebSocket Client connecting");
Channel ch = b.connect(uri.getHost(), uri.getPort()).sync().channel();
handler.handshakeFuture().sync();
// Send 10 messages and wait for responses
System.out.println("WebSocket Client sending message");
for (int i = 0; i < 10; i++) {
ch.writeAndFlush(new TextWebSocketFrame("Message #" + i));
}
// Ping
System.out.println("WebSocket Client sending ping");
ch.writeAndFlush(
new PingWebSocketFrame(Unpooled.copiedBuffer(new byte[] {1, 2, 3, 4, 5, 6})));
// Close
System.out.println("WebSocket Client sending close");
ch.writeAndFlush(new CloseWebSocketFrame());
// WebSocketClientHandler will close the connection when the server
// responds to the CloseWebSocketFrame.
ch.closeFuture().sync();
} finally {
group.shutdownGracefully();
}
}
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
final Channel inboundChannel = ctx.channel();
// Start the connection attempt.
Bootstrap bootstrap = new Bootstrap();
bootstrap
.group(inboundChannel.eventLoop())
.channel(ctx.channel().getClass())
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
// Create a default pipeline implementation.
ChannelPipeline pipeline = ch.pipeline();
// add logging
if (logger.isDebugEnabled()) {
pipeline.addLast("logger", new LoggingHandler(" -->"));
}
// add HTTPS proxy -> server support
if (secure) {
SSLEngine engine = SSLFactory.sslContext().createSSLEngine();
engine.setUseClientMode(true);
pipeline.addLast("proxy -> server ssl", new SslHandler(engine));
}
// add handler
pipeline.addLast(
new ProxyRelayHandler(
inboundChannel,
bufferedCapacity,
new RequestInterceptor(),
" -->"));
}
})
.option(ChannelOption.AUTO_READ, false);
ChannelFuture channelFuture = bootstrap.connect(remoteSocketAddress);
outboundChannel = channelFuture.channel();
channelFuture.addListener(
new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
if (future.isSuccess()) {
channelBuffer.clear();
bufferedMode = bufferedCapacity > 0;
flushedBuffer = false;
// connection complete start to read first data
inboundChannel.read();
} else {
// Close the connection if the connection attempt has failed.
inboundChannel.close();
}
}
});
}
public static void newHttpClientBootstrap(String url, ChannelHandler handler) throws Exception {
URI uri = new URI(url);
String scheme = uri.getScheme() == null ? "http" : uri.getScheme();
String host = uri.getHost() == null ? "127.0.0.1" : uri.getHost();
int port = uri.getPort();
if (port == -1) {
if ("http".equalsIgnoreCase(scheme)) {
port = 80;
} else if ("https".equalsIgnoreCase(scheme)) {
port = 443;
}
}
if (!"http".equalsIgnoreCase(scheme) && !"https".equalsIgnoreCase(scheme)) {
System.err.println("Only HTTP(S) is supported.");
return;
}
// Configure SSL context if necessary.
final boolean ssl = "https".equalsIgnoreCase(scheme);
final SslContext sslCtx;
if (ssl) {
sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
} else {
sslCtx = null;
}
// Configure the client.
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.handler(new HttpDownloadertInitializer(sslCtx, handler));
// Make the connection attempt.
Channel ch = b.connect(host, port).sync().channel();
// Prepare the HTTP request.
HttpRequest request =
new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, uri.getRawPath());
HttpHeaders headers = request.headers();
headers.set(HttpHeaders.Names.HOST, host);
headers.set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE);
headers.set(HttpHeaders.Names.ACCEPT_ENCODING, HttpHeaders.Values.GZIP);
// Set some example cookies.
headers.set(
HttpHeaders.Names.COOKIE,
ClientCookieEncoder.encode(new DefaultCookie("my-cookie", "foo")));
ch.writeAndFlush(request);
// Wait for the server to close the connection.
ch.closeFuture().sync();
Thread.sleep(1000);
} finally {
// Shut down executor threads to exit.
group.shutdownGracefully();
}
}
@After
public void teardown() throws Exception {
serverChannel.close().sync();
Future<?> serverGroup = sb.group().shutdownGracefully(0, 0, MILLISECONDS);
Future<?> serverChildGroup = sb.childGroup().shutdownGracefully(0, 0, MILLISECONDS);
Future<?> clientGroup = cb.group().shutdownGracefully(0, 0, MILLISECONDS);
serverGroup.sync();
serverChildGroup.sync();
clientGroup.sync();
}
public static void main(String[] args) throws Exception {
// Address to bind on / connect to.
// final LocalAddress addr = new LocalAddress(PORT);
final InetAddress HOST = InetAddress.getByName("192.168.220.128");
// final InetSocketAddress addr = InetSocketAddress.createUnresolved("192.168.220.128",
// Integer.parseInt(PORT));
NioEventLoopGroup clientGroup = new NioEventLoopGroup(); // NIO event loops are also OK
final SslContext sslCtx = null;
try {
Bootstrap b = new Bootstrap();
b.group(clientGroup)
.channel(NioSocketChannel.class)
.option(ChannelOption.TCP_NODELAY, true)
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline p = ch.pipeline();
// p.addLast(new LoggingHandler(LogLevel.INFO));
p.addLast(new LocalEchoClientHandler());
}
});
// Start the client.
ChannelFuture f = b.connect(HOST, PORT).sync();
ByteBuf subsequentMessage = null;
byte[] bytes = null;
Channel ch = b.connect(HOST, PORT).channel();
String line = null;
System.out.println("Feel free to chat here");
while (true) {
line = new BufferedReader(new InputStreamReader(System.in)).readLine();
if (line.equalsIgnoreCase("quit") || !ch.isActive()) {
System.out.println("Prepare to close the connection.");
break;
}
subsequentMessage = Unpooled.buffer();
bytes = line.getBytes();
subsequentMessage.writeBytes(bytes);
ch.writeAndFlush(subsequentMessage);
}
// Wait until the connection is closed.
f.channel().closeFuture().sync();
} finally {
clientGroup.shutdownGracefully();
System.out.println("Client closed");
}
}
@Override
public WsClientConnection connect(
final HttpResponseHandler callback, final String url, final List<HttpParam> lParamQuery)
throws RestException {
Bootstrap wsBootStrap = new Bootstrap();
wsBootStrap.group(group);
wsBootStrap.channel(NioSocketChannel.class);
wsBootStrap.handler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline pipeline = ch.pipeline();
pipeline.addLast("http-codec", new HttpClientCodec());
pipeline.addLast("aggregator", new HttpObjectAggregator(MAX_HTTP_REQUEST_KB * 1024));
pipeline.addLast(
"ws-handler", new NettyWSClientHandler(getWsHandshake(url, lParamQuery), callback));
}
});
final ChannelFuture cf = wsBootStrap.connect(baseUri.getHost(), baseUri.getPort());
cf.addListener(
new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
if (future.isSuccess()) {
callback.onChReadyToWrite();
// Nothing - handshake future will activate later
/*Channel ch = future.channel();
NettyWSClientHandler handler = (NettyWSClientHandler) ch.pipeline().get("ws-handler");
handler.handshakeFuture.sync();*/
} else {
callback.onFailure(future.cause());
}
}
});
// Provide disconnection handle to client
return new WsClientConnection() {
@Override
public void disconnect() throws RestException {
Channel ch = cf.channel();
if (ch != null) {
ch.writeAndFlush(new CloseWebSocketFrame());
// NettyWSClientHandler will close the connection when the server
// responds to the CloseWebSocketFrame.
try {
ch.closeFuture().sync();
} catch (InterruptedException e) {
throw new RestException(e);
}
}
}
};
}
public void start() {
Bootstrap b = new Bootstrap();
b.group(nioEventLoopGroup).channel(NioSocketChannel.class).handler(getChannelInitializer());
try {
// Start the connection attempt.
this.channel = b.connect(host, port).sync().channel();
} catch (InterruptedException e) {
log.error(e);
}
}
public void connect() throws Exception {
/*
mySocket = new Socket(this.host,this.port);
os = mySocket.getOutputStream();
*/
group = new NioEventLoopGroup();
b = new Bootstrap();
b.group(group).channel(NioSocketChannel.class).handler(new ClientInitializer());
ch = b.connect(host, port).sync().channel();
handler = ch.pipeline().get(ClientHandler.class);
isServerAvaialable = true;
}
public ClientChannelManager() {
Bootstrap bootstrap = new Bootstrap();
Class<? extends Channel> channelClass = m_descriptor.getChannelClass();
bootstrap.group(m_descriptor.getGroup()).channel(channelClass);
bootstrap.handler(new ClientChannelInitializer());
for (Map.Entry<ChannelOption<Object>, Object> e : m_descriptor.getOptions().entrySet()) {
bootstrap.option(e.getKey(), e.getValue());
}
m_bootstrap = bootstrap;
}
protected Client createClient(String targetIP, int targetPort, int connectTimeout, String key)
throws Exception {
Bootstrap bootstrap = new Bootstrap();
bootstrap
.group(workerGroup)
.channel(NioSocketChannel.class)
.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
.option(
ChannelOption.TCP_NODELAY,
Boolean.parseBoolean(System.getProperty("nfs.rpc.tcp.nodelay", "true")))
.option(
ChannelOption.SO_REUSEADDR,
Boolean.parseBoolean(System.getProperty("nfs.rpc.tcp.reuseaddress", "true")));
if (connectTimeout < 1000) {
bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 1000);
} else {
bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeout);
}
final NettyClientHandler handler = new NettyClientHandler(this, key);
bootstrap.handler(
new ChannelInitializer<SocketChannel>() {
protected void initChannel(SocketChannel channel) throws Exception {
ChannelPipeline pipeline = channel.pipeline();
pipeline.addLast("decoder", new NettyProtocolDecoder());
pipeline.addLast("encoder", new NettyProtocolEncoder());
pipeline.addLast("handler", handler);
}
});
ChannelFuture future = bootstrap.connect(new InetSocketAddress(targetIP, targetPort)).sync();
future.awaitUninterruptibly(connectTimeout);
if (!future.isDone()) {
LOGGER.error("Create connection to " + targetIP + ":" + targetPort + " timeout!");
throw new Exception("Create connection to " + targetIP + ":" + targetPort + " timeout!");
}
if (future.isCancelled()) {
LOGGER.error("Create connection to " + targetIP + ":" + targetPort + " cancelled by user!");
throw new Exception(
"Create connection to " + targetIP + ":" + targetPort + " cancelled by user!");
}
if (!future.isSuccess()) {
LOGGER.error(
"Create connection to " + targetIP + ":" + targetPort + " error", future.cause());
throw new Exception(
"Create connection to " + targetIP + ":" + targetPort + " error", future.cause());
}
NettyClient client = new NettyClient(future, key, connectTimeout);
handler.setClient(client);
return client;
}
public static void main(String[] args) throws Exception {
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioDatagramChannel.class)
.option(ChannelOption.SO_BROADCAST, true)
.handler(new QuoteOfTheMomentServerHandler());
b.bind(PORT).sync().channel().closeFuture().await();
} finally {
group.shutdownGracefully();
}
}
/**
* create connection to remote server
*
* @return
*/
public Channel connect() {
// Start the connection attempt.
// while(true){
if (channel == null) {
try {
// if(flag==1)
// {
handler = new MonitorHandler();
MonitorInitializer mi = new MonitorInitializer(handler, false);
Bootstrap b = new Bootstrap();
// @TODO newFixedThreadPool(2);
b.group(group).channel(NioSocketChannel.class).handler(mi);
b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000);
b.option(ChannelOption.TCP_NODELAY, true);
b.option(ChannelOption.SO_KEEPALIVE, true);
// Make the connection attempt.
logger.info(host + ";" + port + "IN JobBid monitor");
channel = b.connect(host, port).syncUninterruptibly();
channel.awaitUninterruptibly(5000l);
channel.channel().closeFuture().addListener(new MonitorClosedListener(this));
// flag=0;
// Thread.currentThread().setPriority(Thread.MIN_PRIORITY);
if (N == Integer.MAX_VALUE) N = 1;
else N++;
// }
// add listeners waiting to be added
if (listeners.size() > 0) {
for (MonitorListener ml : listeners) handler.addListener(ml);
listeners.clear();
}
} catch (Exception ex) {
logger.debug("failed to initialize the heartbeat connection");
// logger.error("failed to initialize the heartbeat connection",
// ex);
}
}
if (channel != null && channel.isDone() && channel.isSuccess()) {
logger.info("Channel is Created" + channel);
return channel.channel();
} else {
logger.info("In Error from Establish Connection");
throw new RuntimeException("Not able to establish connection to server");
}
}
