Java Code Examples for org.apache.rocketmq.remoting.protocol.RemotingCommand#getOpaque()
The following examples show how to use
org.apache.rocketmq.remoting.protocol.RemotingCommand#getOpaque() .
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Example 1
Source File: NettyRemotingAbstract.java From DDMQ with Apache License 2.0 | 6 votes |
/** * Process response from remote peer to the previous issued requests. * * @param ctx channel handler context. * @param cmd response command instance. */ public void processResponseCommand(ChannelHandlerContext ctx, RemotingCommand cmd) { final int opaque = cmd.getOpaque(); final ResponseFuture responseFuture = responseTable.get(opaque); if (responseFuture != null) { responseFuture.setResponseCommand(cmd); responseTable.remove(opaque); if (responseFuture.getInvokeCallback() != null) { executeInvokeCallback(responseFuture); } else { responseFuture.putResponse(cmd); responseFuture.release(); } } else { log.warn("receive response, but not matched any request, " + RemotingHelper.parseChannelRemoteAddr(ctx.channel())); log.warn(cmd.toString()); } }
Example 2
Source File: NettyRemotingAbstract.java From rocketmq-4.3.0 with Apache License 2.0 | 6 votes |
/** * Process response from remote peer to the previous issued requests.从远程对等点处理对先前发出的请求的响应。 * * @param ctx channel handler context. * @param cmd response command instance. */ // public void processResponseCommand(ChannelHandlerContext ctx, RemotingCommand cmd) { final int opaque = cmd.getOpaque(); // 从响应缓存信息中获取responseFuture final ResponseFuture responseFuture = responseTable.get(opaque); if (responseFuture != null) { responseFuture.setResponseCommand(cmd); responseTable.remove(opaque); if (responseFuture.getInvokeCallback() != null) { // 如果响应对象有回调处理就处理回调函数=》 executeInvokeCallback(responseFuture); } else { responseFuture.putResponse(cmd); responseFuture.release(); } } else { log.warn("receive response, but not matched any request, " + RemotingHelper.parseChannelRemoteAddr(ctx.channel())); log.warn(cmd.toString()); } }
Example 3
Source File: NettyRemotingAbstract.java From rocketmq with Apache License 2.0 | 6 votes |
/** * Process response from remote peer to the previous issued requests. * * @param ctx channel handler context. * @param cmd response command instance. */ public void processResponseCommand(ChannelHandlerContext ctx, RemotingCommand cmd) { final int opaque = cmd.getOpaque(); final ResponseFuture responseFuture = responseTable.get(opaque); if (responseFuture != null) { responseFuture.setResponseCommand(cmd); responseTable.remove(opaque); if (responseFuture.getInvokeCallback() != null) { executeInvokeCallback(responseFuture); } else { responseFuture.putResponse(cmd); responseFuture.release(); } } else { log.warn("receive response, but not matched any request, " + RemotingHelper.parseChannelRemoteAddr(ctx.channel())); log.warn(cmd.toString()); } }
Example 4
Source File: NettyRemotingAbstract.java From rocketmq-read with Apache License 2.0 | 6 votes |
/** * Process response from remote peer to the previous issued requests. * * @param ctx channel handler context. * @param cmd response command instance. * 处理响应的方式,NettyClient用于处理这个。 */ public void processResponseCommand(ChannelHandlerContext ctx, RemotingCommand cmd) { final int opaque = cmd.getOpaque(); //获取responseFulture final ResponseFuture responseFuture = responseTable.get(opaque); if (responseFuture != null) { responseFuture.setResponseCommand(cmd); //从response表里移除 responseTable.remove(opaque); //异步请求 if (responseFuture.getInvokeCallback() != null) { //执行异步callBack executeInvokeCallback(responseFuture); //同步请求 } else { //在responseFulture里加入response responseFuture.putResponse(cmd); //释放 responseFuture.release(); } } else { log.warn("receive response, but not matched any request, " + RemotingHelper.parseChannelRemoteAddr(ctx.channel())); log.warn(cmd.toString()); } }
Example 5
Source File: NettyRemotingAbstract.java From rocketmq_trans_message with Apache License 2.0 | 6 votes |
public void processResponseCommand(ChannelHandlerContext ctx, RemotingCommand cmd) { final int opaque = cmd.getOpaque(); final ResponseFuture responseFuture = responseTable.get(opaque); if (responseFuture != null) { responseFuture.setResponseCommand(cmd); responseFuture.release(); responseTable.remove(opaque); if (responseFuture.getInvokeCallback() != null) { executeInvokeCallback(responseFuture); } else { responseFuture.putResponse(cmd); } } else { PLOG.warn("receive response, but not matched any request, " + RemotingHelper.parseChannelRemoteAddr(ctx.channel())); PLOG.warn(cmd.toString()); } }
Example 6
Source File: NettyRemotingAbstract.java From rocketmq with Apache License 2.0 | 6 votes |
public void processResponseCommand(ChannelHandlerContext ctx, RemotingCommand cmd) { final int opaque = cmd.getOpaque(); final ResponseFuture responseFuture = responseTable.get(opaque); if (responseFuture != null) { responseFuture.setResponseCommand(cmd); responseFuture.release(); responseTable.remove(opaque); if (responseFuture.getInvokeCallback() != null) { executeInvokeCallback(responseFuture); } else { responseFuture.putResponse(cmd); } } else { PLOG.warn("receive response, but not matched any request, " + RemotingHelper.parseChannelRemoteAddr(ctx.channel())); PLOG.warn(cmd.toString()); } }
Example 7
Source File: NettyRemotingAbstract.java From DDMQ with Apache License 2.0 | 6 votes |
/** * Process response from remote peer to the previous issued requests. * * @param ctx channel handler context. * @param cmd response command instance. */ public void processResponseCommand(ChannelHandlerContext ctx, RemotingCommand cmd) { final int opaque = cmd.getOpaque(); final ResponseFuture responseFuture = responseTable.get(opaque); if (responseFuture != null) { responseFuture.setResponseCommand(cmd); responseTable.remove(opaque); if (responseFuture.getInvokeCallback() != null) { executeInvokeCallback(responseFuture); } else { responseFuture.putResponse(cmd); responseFuture.release(); } } else { log.warn("receive response, but not matched any request, " + RemotingHelper.parseChannelRemoteAddr(ctx.channel())); log.warn(cmd.toString()); } }
Example 8
Source File: NettyRemotingAbstract.java From rocketmq-all-4.1.0-incubating with Apache License 2.0 | 6 votes |
/** * Process response from remote peer to the previous issued requests. * @param ctx channel handler context. * @param cmd response command instance. */ public void processResponseCommand(ChannelHandlerContext ctx, RemotingCommand cmd) { final int opaque = cmd.getOpaque(); final ResponseFuture responseFuture = responseTable.get(opaque); if (responseFuture != null) { responseFuture.setResponseCommand(cmd); responseFuture.release(); responseTable.remove(opaque); if (responseFuture.getInvokeCallback() != null) { executeInvokeCallback(responseFuture); } else { responseFuture.putResponse(cmd); } } else { PLOG.warn("receive response, but not matched any request, " + RemotingHelper.parseChannelRemoteAddr(ctx.channel())); PLOG.warn(cmd.toString()); } }
Example 9
Source File: NettyRemotingAbstract.java From rocketmq_trans_message with Apache License 2.0 | 5 votes |
public RemotingCommand invokeSyncImpl(final Channel channel, final RemotingCommand request, final long timeoutMillis) throws InterruptedException, RemotingSendRequestException, RemotingTimeoutException { final int opaque = request.getOpaque(); try { final ResponseFuture responseFuture = new ResponseFuture(opaque, timeoutMillis, null, null); this.responseTable.put(opaque, responseFuture); final SocketAddress addr = channel.remoteAddress(); channel.writeAndFlush(request).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture f) throws Exception { if (f.isSuccess()) { responseFuture.setSendRequestOK(true); return; } else { responseFuture.setSendRequestOK(false); } responseTable.remove(opaque); responseFuture.setCause(f.cause()); responseFuture.putResponse(null); PLOG.warn("send a request command to channel <" + addr + "> failed."); } }); RemotingCommand responseCommand = responseFuture.waitResponse(timeoutMillis); if (null == responseCommand) { if (responseFuture.isSendRequestOK()) { throw new RemotingTimeoutException(RemotingHelper.parseSocketAddressAddr(addr), timeoutMillis, responseFuture.getCause()); } else { throw new RemotingSendRequestException(RemotingHelper.parseSocketAddressAddr(addr), responseFuture.getCause()); } } return responseCommand; } finally { this.responseTable.remove(opaque); } }
Example 10
Source File: NettyRemotingAbstract.java From rocketmq with Apache License 2.0 | 5 votes |
public RemotingCommand invokeSyncImpl(final Channel channel, final RemotingCommand request, final long timeoutMillis) throws InterruptedException, RemotingSendRequestException, RemotingTimeoutException { final int opaque = request.getOpaque(); try { final ResponseFuture responseFuture = new ResponseFuture(opaque, timeoutMillis, null, null); this.responseTable.put(opaque, responseFuture); final SocketAddress addr = channel.remoteAddress(); channel.writeAndFlush(request).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture f) throws Exception { if (f.isSuccess()) { responseFuture.setSendRequestOK(true); return; } else { responseFuture.setSendRequestOK(false); } responseTable.remove(opaque); responseFuture.setCause(f.cause()); responseFuture.putResponse(null); PLOG.warn("send a request command to channel <" + addr + "> failed."); } }); RemotingCommand responseCommand = responseFuture.waitResponse(timeoutMillis); if (null == responseCommand) { if (responseFuture.isSendRequestOK()) { throw new RemotingTimeoutException(RemotingHelper.parseSocketAddressAddr(addr), timeoutMillis, responseFuture.getCause()); } else { throw new RemotingSendRequestException(RemotingHelper.parseSocketAddressAddr(addr), responseFuture.getCause()); } } return responseCommand; } finally { this.responseTable.remove(opaque); } }
Example 11
Source File: NettyRemotingAbstract.java From rocketmq-all-4.1.0-incubating with Apache License 2.0 | 5 votes |
public RemotingCommand invokeSyncImpl(final Channel channel, final RemotingCommand request, final long timeoutMillis) throws InterruptedException, RemotingSendRequestException, RemotingTimeoutException { final int opaque = request.getOpaque(); try { final ResponseFuture responseFuture = new ResponseFuture(opaque, timeoutMillis, null, null); this.responseTable.put(opaque, responseFuture); final SocketAddress addr = channel.remoteAddress(); channel.writeAndFlush(request).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture f) throws Exception { if (f.isSuccess()) { responseFuture.setSendRequestOK(true); return; } else { responseFuture.setSendRequestOK(false); } responseTable.remove(opaque); responseFuture.setCause(f.cause()); responseFuture.putResponse(null); PLOG.warn("send a request command to channel <" + addr + "> failed."); } }); RemotingCommand responseCommand = responseFuture.waitResponse(timeoutMillis); if (null == responseCommand) { if (responseFuture.isSendRequestOK()) { throw new RemotingTimeoutException(RemotingHelper.parseSocketAddressAddr(addr), timeoutMillis, responseFuture.getCause()); } else { throw new RemotingSendRequestException(RemotingHelper.parseSocketAddressAddr(addr), responseFuture.getCause()); } } return responseCommand; } finally { this.responseTable.remove(opaque); } }
Example 12
Source File: NettyRemotingAbstract.java From rocketmq with Apache License 2.0 | 4 votes |
public void invokeAsyncImpl(final Channel channel, final RemotingCommand request, final long timeoutMillis, final InvokeCallback invokeCallback) throws InterruptedException, RemotingTooMuchRequestException, RemotingTimeoutException, RemotingSendRequestException { long beginStartTime = System.currentTimeMillis(); final int opaque = request.getOpaque(); boolean acquired = this.semaphoreAsync.tryAcquire(timeoutMillis, TimeUnit.MILLISECONDS); if (acquired) { final SemaphoreReleaseOnlyOnce once = new SemaphoreReleaseOnlyOnce(this.semaphoreAsync); long costTime = System.currentTimeMillis() - beginStartTime; if (timeoutMillis < costTime) { once.release(); throw new RemotingTimeoutException("invokeAsyncImpl call timeout"); } final ResponseFuture responseFuture = new ResponseFuture(channel, opaque, timeoutMillis - costTime, invokeCallback, once); this.responseTable.put(opaque, responseFuture); try { channel.writeAndFlush(request).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture f) throws Exception { if (f.isSuccess()) { responseFuture.setSendRequestOK(true); return; } requestFail(opaque); log.warn("send a request command to channel <{}> failed.", RemotingHelper.parseChannelRemoteAddr(channel)); } }); } catch (Exception e) { responseFuture.release(); log.warn("send a request command to channel <" + RemotingHelper.parseChannelRemoteAddr(channel) + "> Exception", e); throw new RemotingSendRequestException(RemotingHelper.parseChannelRemoteAddr(channel), e); } } else { if (timeoutMillis <= 0) { throw new RemotingTooMuchRequestException("invokeAsyncImpl invoke too fast"); } else { String info = String.format("invokeAsyncImpl tryAcquire semaphore timeout, %dms, waiting thread nums: %d semaphoreAsyncValue: %d", timeoutMillis, this.semaphoreAsync.getQueueLength(), this.semaphoreAsync.availablePermits() ); log.warn(info); throw new RemotingTimeoutException(info); } } }
Example 13
Source File: NettyRemotingAbstract.java From rocketmq with Apache License 2.0 | 4 votes |
public RemotingCommand invokeSyncImpl(final Channel channel, final RemotingCommand request, final long timeoutMillis) throws InterruptedException, RemotingSendRequestException, RemotingTimeoutException { final int opaque = request.getOpaque(); try { final ResponseFuture responseFuture = new ResponseFuture(channel, opaque, timeoutMillis, null, null); this.responseTable.put(opaque, responseFuture); final SocketAddress addr = channel.remoteAddress(); channel.writeAndFlush(request).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture f) throws Exception { if (f.isSuccess()) { responseFuture.setSendRequestOK(true); return; } else { responseFuture.setSendRequestOK(false); } responseTable.remove(opaque); responseFuture.setCause(f.cause()); responseFuture.putResponse(null); log.warn("send a request command to channel <" + addr + "> failed."); } }); RemotingCommand responseCommand = responseFuture.waitResponse(timeoutMillis); if (null == responseCommand) { if (responseFuture.isSendRequestOK()) { throw new RemotingTimeoutException(RemotingHelper.parseSocketAddressAddr(addr), timeoutMillis, responseFuture.getCause()); } else { throw new RemotingSendRequestException(RemotingHelper.parseSocketAddressAddr(addr), responseFuture.getCause()); } } return responseCommand; } finally { this.responseTable.remove(opaque); } }
Example 14
Source File: NettyRemotingAbstract.java From DDMQ with Apache License 2.0 | 4 votes |
public RemotingCommand invokeSyncImpl(final Channel channel, final RemotingCommand request, final long timeoutMillis) throws InterruptedException, RemotingSendRequestException, RemotingTimeoutException { final int opaque = request.getOpaque(); try { final ResponseFuture responseFuture = new ResponseFuture(opaque, timeoutMillis, null, null); this.responseTable.put(opaque, responseFuture); final SocketAddress addr = channel.remoteAddress(); channel.writeAndFlush(request).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture f) throws Exception { if (f.isSuccess()) { responseFuture.setSendRequestOK(true); return; } else { responseFuture.setSendRequestOK(false); } responseTable.remove(opaque); responseFuture.setCause(f.cause()); responseFuture.putResponse(null); log.warn("send a request command to channel <" + addr + "> failed."); } }); RemotingCommand responseCommand = responseFuture.waitResponse(timeoutMillis); if (null == responseCommand) { if (responseFuture.isSendRequestOK()) { throw new RemotingTimeoutException(RemotingHelper.parseSocketAddressAddr(addr), timeoutMillis, responseFuture.getCause()); } else { throw new RemotingSendRequestException(RemotingHelper.parseSocketAddressAddr(addr), responseFuture.getCause()); } } return responseCommand; } finally { this.responseTable.remove(opaque); } }
Example 15
Source File: NettyRemotingAbstract.java From rocketmq-read with Apache License 2.0 | 4 votes |
/** * 异步执行 * @param channel channel * @param request request * @param timeoutMillis timeoutMillis * @param invokeCallback 异步的callback * @throws InterruptedException ; * @throws RemotingTooMuchRequestException ; * @throws RemotingTimeoutException ; * @throws RemotingSendRequestException ; */ public void invokeAsyncImpl(final Channel channel, final RemotingCommand request, final long timeoutMillis, final InvokeCallback invokeCallback) throws InterruptedException, RemotingTooMuchRequestException, RemotingTimeoutException, RemotingSendRequestException { long beginStartTime = System.currentTimeMillis(); final int opaque = request.getOpaque(); //先获取信号量限流 boolean acquired = this.semaphoreAsync.tryAcquire(timeoutMillis, TimeUnit.MILLISECONDS); if (acquired) { final SemaphoreReleaseOnlyOnce once = new SemaphoreReleaseOnlyOnce(this.semaphoreAsync); long costTime = System.currentTimeMillis() - beginStartTime; if (timeoutMillis < costTime) { //如果timeout小于costTime,抛出timeout throw new RemotingTooMuchRequestException("invokeAsyncImpl call timeout"); } final ResponseFuture responseFuture = new ResponseFuture(channel, opaque, timeoutMillis - costTime, invokeCallback, once); this.responseTable.put(opaque, responseFuture); try { channel.writeAndFlush(request).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture f) throws Exception { if (f.isSuccess()) { responseFuture.setSendRequestOK(true); return; } requestFail(opaque); log.warn("send a request command to channel <{}> failed.", RemotingHelper.parseChannelRemoteAddr(channel)); } }); } catch (Exception e) { responseFuture.release(); log.warn("send a request command to channel <" + RemotingHelper.parseChannelRemoteAddr(channel) + "> Exception", e); throw new RemotingSendRequestException(RemotingHelper.parseChannelRemoteAddr(channel), e); } } else { if (timeoutMillis <= 0) { //限流异常 throw new RemotingTooMuchRequestException("invokeAsyncImpl invoke too fast"); } else { String info = String.format("invokeAsyncImpl tryAcquire semaphore timeout, %dms, waiting thread nums: %d semaphoreAsyncValue: %d", timeoutMillis, this.semaphoreAsync.getQueueLength(), this.semaphoreAsync.availablePermits() ); log.warn(info); throw new RemotingTimeoutException(info); } } }
Example 16
Source File: NettyRemotingAbstract.java From rocketmq-read with Apache License 2.0 | 4 votes |
/** * 同步发送请求 * @param channel ; * @param request ; * @param timeoutMillis ; * @return ; * @throws InterruptedException ; * @throws RemotingSendRequestException ; * @throws RemotingTimeoutException ; */ public RemotingCommand invokeSyncImpl(final Channel channel, final RemotingCommand request, final long timeoutMillis) throws InterruptedException, RemotingSendRequestException, RemotingTimeoutException { //请求ID final int opaque = request.getOpaque(); try { final ResponseFuture responseFuture = new ResponseFuture(channel, opaque, timeoutMillis, null, null); // this.responseTable.put(opaque, responseFuture); final SocketAddress addr = channel.remoteAddress(); channel.writeAndFlush(request).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture f) throws Exception { if (f.isSuccess()) { responseFuture.setSendRequestOK(true); return; } else { responseFuture.setSendRequestOK(false); } responseTable.remove(opaque); responseFuture.setCause(f.cause()); responseFuture.putResponse(null); log.warn("send a request command to channel <" + addr + "> failed."); } }); RemotingCommand responseCommand = responseFuture.waitResponse(timeoutMillis); if (null == responseCommand) { if (responseFuture.isSendRequestOK()) { //如果发送请求成功,就抛出超时异常 throw new RemotingTimeoutException(RemotingHelper.parseSocketAddressAddr(addr), timeoutMillis, responseFuture.getCause()); } else { //没有发送失败,就是send请求异常 throw new RemotingSendRequestException(RemotingHelper.parseSocketAddressAddr(addr), responseFuture.getCause()); } } //返回的就是非null的responseCommand return responseCommand; } finally { //移除该请求 this.responseTable.remove(opaque); } }
Example 17
Source File: NettyRemotingAbstract.java From rocketmq-4.3.0 with Apache License 2.0 | 4 votes |
public void invokeAsyncImpl(final Channel channel, final RemotingCommand request, final long timeoutMillis, final InvokeCallback invokeCallback) throws InterruptedException, RemotingTooMuchRequestException, RemotingTimeoutException, RemotingSendRequestException { long beginStartTime = System.currentTimeMillis(); final int opaque = request.getOpaque(); // 获取信号 boolean acquired = this.semaphoreAsync.tryAcquire(timeoutMillis, TimeUnit.MILLISECONDS); if (acquired) { final SemaphoreReleaseOnlyOnce once = new SemaphoreReleaseOnlyOnce(this.semaphoreAsync); long costTime = System.currentTimeMillis() - beginStartTime; if (timeoutMillis < costTime) { throw new RemotingTooMuchRequestException("invokeAsyncImpl call timeout"); } final ResponseFuture responseFuture = new ResponseFuture(channel, opaque, timeoutMillis - costTime, invokeCallback, once); this.responseTable.put(opaque, responseFuture); try { channel.writeAndFlush(request).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture f) throws Exception { if (f.isSuccess()) { responseFuture.setSendRequestOK(true); return; } // 请求失败处理=》 requestFail(opaque); log.warn("send a request command to channel <{}> failed.", RemotingHelper.parseChannelRemoteAddr(channel)); } }); } catch (Exception e) { // 释放信号量 responseFuture.release(); log.warn("send a request command to channel <" + RemotingHelper.parseChannelRemoteAddr(channel) + "> Exception", e); throw new RemotingSendRequestException(RemotingHelper.parseChannelRemoteAddr(channel), e); } } else { if (timeoutMillis <= 0) { throw new RemotingTooMuchRequestException("invokeAsyncImpl invoke too fast"); } else { String info = String.format("invokeAsyncImpl tryAcquire semaphore timeout, %dms, waiting thread nums: %d semaphoreAsyncValue: %d", timeoutMillis, this.semaphoreAsync.getQueueLength(), this.semaphoreAsync.availablePermits() ); log.warn(info); throw new RemotingTimeoutException(info); } } }
Example 18
Source File: NettyRemotingAbstract.java From rocketmq-4.3.0 with Apache License 2.0 | 4 votes |
public RemotingCommand invokeSyncImpl(final Channel channel, final RemotingCommand request, final long timeoutMillis) throws InterruptedException, RemotingSendRequestException, RemotingTimeoutException { final int opaque = request.getOpaque(); try { final ResponseFuture responseFuture = new ResponseFuture(channel, opaque, timeoutMillis, null, null); // 缓存正在进行的响应 this.responseTable.put(opaque, responseFuture); final SocketAddress addr = channel.remoteAddress(); channel.writeAndFlush(request).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture f) throws Exception { if (f.isSuccess()) { responseFuture.setSendRequestOK(true); return; } else { responseFuture.setSendRequestOK(false); } responseTable.remove(opaque); responseFuture.setCause(f.cause()); // 响应解析完毕会解除countDownLatch的阻塞 =》 responseFuture.putResponse(null); log.warn("send a request command to channel <" + addr + "> failed."); } }); // 这里用countDownLatch实现的阻塞 =》 RemotingCommand responseCommand = responseFuture.waitResponse(timeoutMillis); if (null == responseCommand) { if (responseFuture.isSendRequestOK()) { throw new RemotingTimeoutException(RemotingHelper.parseSocketAddressAddr(addr), timeoutMillis, responseFuture.getCause()); } else { throw new RemotingSendRequestException(RemotingHelper.parseSocketAddressAddr(addr), responseFuture.getCause()); } } return responseCommand; } finally { this.responseTable.remove(opaque); } }
Example 19
Source File: NettyRemotingAbstract.java From DDMQ with Apache License 2.0 | 4 votes |
public RemotingCommand invokeSyncImpl(final Channel channel, final RemotingCommand request, final long timeoutMillis) throws InterruptedException, RemotingSendRequestException, RemotingTimeoutException { final int opaque = request.getOpaque(); try { final ResponseFuture responseFuture = new ResponseFuture(opaque, timeoutMillis, null, null); this.responseTable.put(opaque, responseFuture); final SocketAddress addr = channel.remoteAddress(); channel.writeAndFlush(request).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture f) throws Exception { if (f.isSuccess()) { responseFuture.setSendRequestOK(true); return; } else { responseFuture.setSendRequestOK(false); } responseTable.remove(opaque); responseFuture.setCause(f.cause()); responseFuture.putResponse(null); log.warn("send a request command to channel <" + addr + "> failed."); } }); RemotingCommand responseCommand = responseFuture.waitResponse(timeoutMillis); if (null == responseCommand) { if (responseFuture.isSendRequestOK()) { throw new RemotingTimeoutException(RemotingHelper.parseSocketAddressAddr(addr), timeoutMillis, responseFuture.getCause()); } else { throw new RemotingSendRequestException(RemotingHelper.parseSocketAddressAddr(addr), responseFuture.getCause()); } } return responseCommand; } finally { this.responseTable.remove(opaque); } }