Example usage for io.netty.channel ChannelFutureListener ChannelFutureListener

List of usage examples for io.netty.channel ChannelFutureListener ChannelFutureListener

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Introduction

In this page you can find the example usage for io.netty.channel ChannelFutureListener ChannelFutureListener.

Prototype

ChannelFutureListener

Source Link

Usage

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyBackendHandler.java

License:Apache License

private void forward(final ChannelHandlerContext ctx, ByteBuf byteBuf) {
    if (inboundChannel.isActive()) {
        inboundChannel.writeAndFlush(byteBuf).addListener(new ChannelFutureListener() {
            public void operationComplete(ChannelFuture future) {
                if (future.isSuccess()) {
                    ctx.channel().read();
                } else {
                    future.channel().close();
                }/*from w w w .j  av a  2  s  . c o  m*/
            }
        });
    } else {
    }
}

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyBackendHandler.java

License:Apache License

private void handleSettingFrame(final ChannelHandlerContext ctx, Http2Flags flags) {
    ByteBufAllocator alloc = ctx.alloc();
    ByteBuf byteBuf = alloc.buffer();/*from   w ww  .ja  v  a 2  s.c o  m*/
    if (!flags.ack()) {

        //00 00 0c 04 00 00 00 00 00 00 03 7f ff ff ff 00
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x0c);
        byteBuf.writeByte(0x04);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x03);
        byteBuf.writeByte(0x7f);
        byteBuf.writeByte(0xff);
        byteBuf.writeByte(0xff);
        byteBuf.writeByte(0xff);
        byteBuf.writeByte(0x00);
        //04 00 10 00 00
        byteBuf.writeByte(0x04);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x10);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
    } else {
        //            System.out.println("********************* setting ack received ...");
        //00 00 00 04 01 00 00 00 00
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x04);
        byteBuf.writeByte(0x01);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
    }
    ctx.writeAndFlush(byteBuf).addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                //                    System.out.println(" ...operationComplete isSuccess");
                ctx.channel().read();
            } else {
                //                    System.out.println("...operationComplete failure");
                future.channel().close();
            }
        }
    });
}

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyBackendHandler.java

License:Apache License

private void handleWindowsUpdateFrame(final ChannelHandlerContext ctx) {
    ByteBufAllocator alloc = ctx.alloc();
    ByteBuf byteBuf = alloc.buffer();/*from w w  w .ja  v  a2  s .c o  m*/
    // 00 00 04 08 00 00 00 00 00 00 0f 00 01
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x04);
    byteBuf.writeByte(0x08);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x0f);
    byteBuf.writeByte(0x00);
    byteBuf.writeByte(0x01);
    ctx.writeAndFlush(byteBuf).addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                ctx.channel().read();
            } else {
                future.channel().close();
            }
        }
    });
}

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyFrontendHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) {
    final Channel inboundChannel = ctx.channel();

    // ??/*from  w  w w .  ja  va  2s  .  com*/
    Bootstrap b = new Bootstrap();
    b.group(inboundChannel.eventLoop()).channel(ctx.channel().getClass())
            .handler(new GrpcProxyBackendHandler(inboundChannel)).option(ChannelOption.AUTO_READ, false);

    for (int i = 0; i < remoteHosts.length; i++) {
        final ChannelFuture f = b.connect(remoteHosts[i], remotePorts[i]);
        outboundChannels[i] = f.channel();
        f.addListener(new ChannelFutureListener() {
            public void operationComplete(ChannelFuture future) {
                if (future.isSuccess()) {
                    // connection complete start to read first data
                    inboundChannel.read();
                    //                        System.out.println(f.channel().remoteAddress() + ", " + f.channel().localAddress());
                } else {
                    // Close the connection if the connection attempt has failed.
                    //                        System.out.println("channelActive close" + inboundChannel.remoteAddress() + ", " + inboundChannel.localAddress());
                    inboundChannel.close();
                }
            }
        });
    }
}

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyFrontendHandler.java

License:Apache License

private void handleSettingFrame(final ChannelHandlerContext ctx, Http2Flags flags) {
    ByteBufAllocator alloc = ctx.alloc();
    ByteBuf byteBuf = alloc.buffer();//from  ww w.ja  va  2  s  . c o m
    if (!flags.ack()) {
        //            System.out.println("********************* setting received ...");

        //00 00 0c 04 00 00 00 00 00 00 03 7f ff ff ff 00
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x0c);
        byteBuf.writeByte(0x04);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x03);
        byteBuf.writeByte(0x7f);
        byteBuf.writeByte(0xff);
        byteBuf.writeByte(0xff);
        byteBuf.writeByte(0xff);
        byteBuf.writeByte(0x00);
        //04 00 10 00 00
        byteBuf.writeByte(0x04);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x10);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
    } else {
        //            System.out.println("********************* setting ack received ...");
        //00 00 00 04 01 00 00 00 00
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x04);
        byteBuf.writeByte(0x01);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
    }
    ctx.writeAndFlush(byteBuf).addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                //                    System.out.println(" ...operationComplete isSuccess");
                ctx.channel().read();
            } else {
                //                    System.out.println("...operationComplete failure");
                future.channel().close();
            }
        }
    });

}

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyFrontendHandler.java

License:Apache License

private void forwardThisFrame(final ChannelHandlerContext ctx, final ByteBuf copy, int streamId,
        final int type) {
    if (selectedChannel == null) {
        int select = (counter.getAndIncrement()) % remoteHosts.length;
        selectedChannel = outboundChannels[select];
    }/* w  w  w.jav a2 s . c o  m*/

    //int select = 0;
    //        System.out.println("---------------------------------select:" + select + "," + ByteBufUtil.hexDump(copy));
    final Channel inboundChannel = ctx.channel();
    selectedChannel.writeAndFlush(copy).addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                //                    System.out.println("forward success ------------------------------------------type=" + type);
                inboundChannel.read();
            } else {
                //                    System.out.println("forward failure------------------------------------------");
                inboundChannel.close();
            }
        }
    });
}

From source file:com.newlandframework.avatarmq.netty.MessageConnectFactory.java

License:Apache License

public void connect() {
    Preconditions.checkNotNull(messageHandler, "Message's Handler is Null!");

    try {//from  w  w w .  ja  v  a  2 s.  c  o  m
        init();
        ChannelFuture channelFuture = bootstrap.connect(this.remoteAddr).sync();

        channelFuture.addListener(new ChannelFutureListener() {
            public void operationComplete(ChannelFuture future) throws Exception {
                Channel channel = future.channel();
                messageChannel = channel;
            }
        });

        System.out.println("ip address:" + this.remoteAddr.toString());
        connected = true;
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
}

From source file:com.newlandframework.avatarmq.netty.MessageProcessor.java

License:Apache License

public void sendAsynMessage(RequestMessage request, final NotifyCallback listener) {
    Channel channel = factory.getMessageChannel();
    if (channel == null) {
        return;//  w  ww  .j  a  v a 2  s  .  c o  m
    }

    Map<String, CallBackInvoker<Object>> callBackMap = factory.getCallBackMap();

    CallBackInvoker<Object> invoker = new CallBackInvoker<Object>();
    callBackMap.put(request.getMsgId(), invoker);

    invoker.setRequestId(request.getMsgId());

    invoker.join(new CallBackListener<Object>() {
        public void onCallBack(Object t) {
            ResponseMessage response = (ResponseMessage) t;
            listener.onEvent((ProducerAckMessage) response.getMsgParams());

        }
    });

    ChannelFuture channelFuture = channel.writeAndFlush(request);
    channelFuture.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                invoker.setReason(future.cause());
            }
        }
    });

}

From source file:com.newlandframework.avatarmq.netty.MessageProcessor.java

License:Apache License

public Object sendAsynMessage(RequestMessage request) {
    Channel channel = factory.getMessageChannel();

    if (channel == null) {
        return null;
    }/*from w  w w  .j a  v  a2s . co  m*/

    Map<String, CallBackInvoker<Object>> callBackMap = factory.getCallBackMap();

    CallBackInvoker<Object> invoker = new CallBackInvoker<Object>();
    callBackMap.put(request.getMsgId(), invoker);
    invoker.setRequestId(request.getMsgId());

    ChannelFuture channelFuture = channel.writeAndFlush(request);
    channelFuture.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                invoker.setReason(future.cause());
            }
        }
    });

    try {
        Object result = invoker.getMessageResult(factory.getTimeOut(), TimeUnit.MILLISECONDS);
        callBackMap.remove(request.getMsgId());
        return result;
    } catch (RuntimeException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:com.newlandframework.avatarmq.netty.MessageProcessor.java

License:Apache License

public void sendSyncMessage(RequestMessage request) {
    Channel channel = factory.getMessageChannel();

    if (channel == null) {
        return;/*  w w w.  j a v  a 2 s  .  c o  m*/
    }

    Map<String, CallBackInvoker<Object>> callBackMap = factory.getCallBackMap();

    CallBackInvoker<Object> invoker = new CallBackInvoker<Object>();
    callBackMap.put(request.getMsgId(), invoker);

    invoker.setRequestId(request.getMsgId());

    ChannelFuture channelFuture;
    try {
        channelFuture = channel.writeAndFlush(request).sync();
        channelFuture.addListener(new ChannelFutureListener() {

            public void operationComplete(ChannelFuture future) throws Exception {
                if (!future.isSuccess()) {
                    invoker.setReason(future.cause());
                }
            }
        });
    } catch (InterruptedException ex) {
        Logger.getLogger(MessageProcessor.class.getName()).log(Level.SEVERE, null, ex);
    }
}