List of usage examples for io.netty.channel ChannelHandlerContext flush
@Override
ChannelHandlerContext flush();
From source file:com.mpush.core.handler.AdminHandler.java
License:Apache License
@Override public void channelActive(ChannelHandlerContext ctx) throws Exception { ctx.write("Welcome to MPush Console [" + Utils.getLocalIp() + "]!" + EOL); ctx.write("since " + startTime + " has running " + startTime.until(LocalDateTime.now(), ChronoUnit.HOURS) + "(h)" + EOL + EOL); ctx.write("It is " + new Date() + " now." + EOL + EOL); ctx.flush(); }
From source file:com.my.netty.object.ObjectEchoClientHandler.java
License:Apache License
@Override public void channelActive(ChannelHandlerContext ctx) throws Exception { // Send the first message if this handler is a client-side handler. System.out.println("channel active"); System.out.println(firstMessage.size()); ctx.write(firstMessage);/* www .ja v a 2 s .c o m*/ ctx.flush(); }
From source file:com.my.netty.object.ObjectEchoServerHandler.java
License:Apache License
@Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { // TODO Auto-generated method stub try {// w w w . j a v a 2 s . c o m System.out.println("server get msg" + msg.getClass()); ctx.write("ok" + ctx.channel()); ctx.flush(); } finally { ReferenceCountUtil.release(msg); } }
From source file:com.mycompany.nettyweb.HttpServerHandler.java
@Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { if (msg instanceof HttpRequest) { statistics.addUniqueRequest(getIP(ctx)); statistics.addNewRequestByIP(getIP(ctx)); statistics.addToAllRequests();/*from ww w . ja va2 s .c om*/ HttpRequest req = (HttpRequest) msg; trafficURL = req.getUri(); String uri; if (req.getUri().startsWith("/redirect?url=")) { uri = "/redirect"; } else { uri = req.getUri(); } switch (uri) { case "/hello": helloResponse(ctx, req); break; case "/status": statusResponse(ctx, req); break; case "/redirect": StringBuilder url = new StringBuilder( new QueryStringDecoder(req.getUri()).parameters().get("url").get(0)); if (!url.toString().startsWith("http://")) { url.insert(0, "http://"); } statistics.addRedirects(url.toString()); redirectResponse(ctx, url.toString()); break; default: defResponse(ctx, req); break; } } else { ctx.flush(); } setTraffic(ctx); }
From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyBackendHandler.java
License:Apache License
@Override public void channelActive(ChannelHandlerContext ctx) { // // ww w. j a v a2 s.com Http2Settings settings = new Http2Settings(); settings.initialWindowSize(DEFAULT_FLOW_CONTROL_WINDOW); settings.pushEnabled(false); settings.maxConcurrentStreams(0); ByteBuf preface = Http2CodecUtil.connectionPrefaceBuf().retainedDuplicate(); ctx.write(preface); writer.writeSettings(ctx, settings, ctx.newPromise()); writer.writeWindowUpdate(ctx, 0, 983041, ctx.newPromise()); ctx.flush(); ctx.read(); }
From source file:com.phei.netty.basic.TimeServerHandlerTwo.java
License:Apache License
@Override public void channelReadComplete(ChannelHandlerContext ctx) throws Exception { System.out.println("channelReadComplete === " + ctx.handler().getClass()); ctx.flush(); }
From source file:com.phei.netty.codec.msgpack.EchoClientHandler.java
License:Apache License
@Override public void channelActive(ChannelHandlerContext ctx) { UserInfo[] infos = UserInfo();/* w w w. ja v a 2 s . c o m*/ for (UserInfo infoE : infos) { ctx.write(infoE); } ctx.flush(); }
From source file:com.shouxun.server.netty.tcp.EchoServerHandler.java
License:Apache License
@Override public void channelReadComplete(ChannelHandlerContext ctx) { System.out.println("server channelReadComplete..." + sb.toString()); execuseDate(sb.toString(), ctx);//from w w w .j a v a2 s .co m ctx.flush(); sb.delete(0, sb.length()); }
From source file:com.splicemachine.stream.ResultStreamer.java
License:Apache License
@Override public void channelActive(final ChannelHandlerContext ctx) throws Exception { LOG.trace("Starting result streamer " + this); // Write init data right away ctx.writeAndFlush(new StreamProtocol.Init(uuid, numPartitions, partition)); // Subsequent writes are from a separate thread, so we don't block this one this.future = this.workerGroup.submit(new Callable<Long>() { private long consumed; private long sent; private int currentBatch; @Override//from w w w . ja v a 2s .c o m public Long call() throws InterruptedException { org.apache.spark.TaskContext$.MODULE$.setTaskContext(taskContext); boolean prepared = false; ActivationHolder ah = null; if (context != null) { ah = ((SparkOperationContext) context).getActivationHolder(); ah.reinitialize(null, false); prepared = true; } try { while (locatedRowIterator.hasNext()) { T lr = locatedRowIterator.next(); consumed++; ctx.write(lr, ctx.voidPromise()); currentBatch++; sent++; flushAndGetPermit(); if (checkLimit()) { return consumed; } consumeOffset(); } // Data has been written, request close ctx.writeAndFlush(new StreamProtocol.RequestClose()); return consumed; } finally { if (prepared) ah.close(); } } /** * If the current batch exceeds the batch size, flush the connection and take a new permit, blocking if the client * hasn't had time yet to process previous messages */ private void flushAndGetPermit() throws InterruptedException { if (currentBatch >= batchSize) { ctx.flush(); currentBatch = 0; permits.acquire(); } } /** * If the client hast told us to ignore up to 'offset' messages, consume them here. The client request can * arrive after we've already sent some messages. */ private void consumeOffset() { if (consumed < offset) { long count = 0; while (locatedRowIterator.hasNext() && consumed < offset) { locatedRowIterator.next(); count++; consumed++; } ctx.writeAndFlush(new StreamProtocol.Skipped(count)); } } /** * If the client told us to send no more than 'limit' messages, check it here * @return true if there's a limit and we reached it, false otherwise */ private boolean checkLimit() { if (consumed > limit) { ctx.flush(); if (LOG.isTraceEnabled()) LOG.trace("Reached limit, stopping. consumed " + consumed + " sent " + sent + " limit " + limit); return true; } return false; } }); active.countDown(); }
From source file:com.spotify.netty.handler.queue.AutoFlushingWriteBatcher.java
License:Apache License
/** * Called when the channel is opened./* w ww .j a va 2 s .com*/ */ @Override public void connect(final ChannelHandlerContext ctx, SocketAddress remote, SocketAddress local, ChannelPromise promise) throws Exception { // Schedule a task to flush and enforce the maximum latency that a message is buffered flushFuture = ctx.executor().scheduleAtFixedRate(new Runnable() { @Override public void run() { final long nanosSinceLastFlush = System.nanoTime() - lastFlush; if (nanosSinceLastFlush > maxDelayNanos) { ctx.flush(); bufferSize.set(0); lastFlush = System.nanoTime(); } } }, intervalNanos, intervalNanos, NANOSECONDS); ctx.connect(remote, local, promise); }