@Override public void invokeOneway(String addr, RemotingCommand request, long timeoutMillis) throws InterruptedException, RemotingConnectException, RemotingTooMuchRequestException, RemotingTimeoutException, RemotingSendRequestException { final Channel channel = this.getAndCreateChannel(addr); if (channel != null && channel.isActive()) { try { this.invokeOnewayImpl(channel, request, timeoutMillis); } catch (RemotingSendRequestException e) { log.warn("invokeOneway: send request exception, so close the channel[{}]", addr); this.closeChannel(addr, channel); throw e; } } else { this.closeChannel(addr, channel); throw new RemotingConnectException(addr); } }
@Override public void invokeAsync(String addr, RemotingCommand request, long timeoutMillis, InvokeCallback invokeCallback) throws InterruptedException, RemotingConnectException, RemotingTooMuchRequestException, RemotingTimeoutException, RemotingSendRequestException { final Channel channel = this.getAndCreateChannel(addr); if (channel != null && channel.isActive()) { try { this.invokeAsyncImpl(channel, request, timeoutMillis, invokeCallback); } catch (RemotingSendRequestException e) { log.warn("invokeAsync: send request exception, so close the channel[{}]", addr); this.closeChannel(addr, channel); throw e; } } else { this.closeChannel(addr, channel); throw new RemotingConnectException(addr); } }
@Override protected void channelRead0(ChannelHandlerContext ctx, RemotingCommand msg) throws Exception { processMessageReceived(ctx, msg); } }
@Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception { final String remoteAddress = RemotingHelper.parseChannelRemoteAddr(ctx.channel()); log.warn("NETTY CLIENT PIPELINE: exceptionCaught {}", remoteAddress); log.warn("NETTY CLIENT PIPELINE: exceptionCaught exception.", cause); closeChannel(ctx.channel()); if (NettyRemotingClient.this.channelEventListener != null) { NettyRemotingClient.this.putNettyEvent(new NettyEvent(NettyEventType.EXCEPTION, remoteAddress, ctx.channel())); } } }
@Override public RemotingCommand invokeSync(String addr, RemotingCommand request, long timeoutMillis) throws InterruptedException, RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException { final Channel channel = this.getAndCreateChannel(addr); if (channel != null && channel.isActive()) { try { RemotingCommand response = this.invokeSyncImpl(channel, request, timeoutMillis); return response; } catch (RemotingSendRequestException e) { log.warn("invokeSync: send request exception, so close the channel[{}]", addr); this.closeChannel(addr, channel); throw e; } catch (RemotingTimeoutException e) { if (nettyClientConfig.isClientCloseSocketIfTimeout()) { this.closeChannel(addr, channel); log.warn("invokeSync: close socket because of timeout, {}ms, {}", timeoutMillis, addr); } log.warn("invokeSync: wait response timeout exception, the channel[{}]", addr); throw e; } } else { this.closeChannel(addr, channel); throw new RemotingConnectException(addr); } }
@Override public void run() { try { NettyRemotingClient.this.scanResponseTable(); } catch (Throwable e) { log.error("scanResponseTable exception", e); } } }, 1000 * 3, 1000);
private Channel getAndCreateChannel(final String addr) throws InterruptedException { if (null == addr) { log.error("No remoting server addr is provided"); return null; } ChannelWrapper cw = this.channelTables.get(addr); if (cw != null && cw.isOK()) { return cw.getChannel(); } return this.createChannel(addr); }
@Inject public SendReplyService(IJsonSerializer jsonSerializer) { _jsonSerializer = jsonSerializer; NettyClientConfig nettyClientConfig = new NettyClientConfig(); nettyClientConfig.setClientChannelMaxIdleTimeSeconds(3600); remotingClient = new NettyRemotingClient(nettyClientConfig); }
@Override public void shutdown() { try { this.timer.cancel(); for (ChannelWrapper cw : this.channelTables.values()) { this.closeChannel(null, cw.getChannel()); } this.channelTables.clear(); this.eventLoopGroupWorker.shutdownGracefully(); if (this.nettyEventExecutor != null) { this.nettyEventExecutor.shutdown(); } if (this.defaultEventExecutorGroup != null) { this.defaultEventExecutorGroup.shutdownGracefully(); } } catch (Exception e) { log.error("NettyRemotingClient shutdown exception, ", e); } }
@Override public void connect(ChannelHandlerContext ctx, SocketAddress remoteAddress, SocketAddress localAddress, ChannelPromise promise) throws Exception { final String local = localAddress == null ? "UNKNOWN" : RemotingHelper.parseSocketAddressAddr(localAddress); final String remote = remoteAddress == null ? "UNKNOWN" : RemotingHelper.parseSocketAddressAddr(remoteAddress); log.info("NETTY CLIENT PIPELINE: CONNECT {} => {}", local, remote); super.connect(ctx, remoteAddress, localAddress, promise); if (NettyRemotingClient.this.channelEventListener != null) { NettyRemotingClient.this.putNettyEvent(new NettyEvent(NettyEventType.CONNECT, remote, ctx.channel())); } }
@Override public void close(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception { final String remoteAddress = RemotingHelper.parseChannelRemoteAddr(ctx.channel()); log.info("NETTY CLIENT PIPELINE: CLOSE {}", remoteAddress); closeChannel(ctx.channel()); super.close(ctx, promise); if (NettyRemotingClient.this.channelEventListener != null) { NettyRemotingClient.this.putNettyEvent(new NettyEvent(NettyEventType.CLOSE, remoteAddress, ctx.channel())); } }
@Override public void disconnect(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception { final String remoteAddress = RemotingHelper.parseChannelRemoteAddr(ctx.channel()); log.info("NETTY CLIENT PIPELINE: DISCONNECT {}", remoteAddress); closeChannel(ctx.channel()); super.disconnect(ctx, promise); if (NettyRemotingClient.this.channelEventListener != null) { NettyRemotingClient.this.putNettyEvent(new NettyEvent(NettyEventType.CLOSE, remoteAddress, ctx.channel())); } }
@Override public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception { if (evt instanceof IdleStateEvent) { IdleStateEvent event = (IdleStateEvent) evt; if (event.state().equals(IdleState.ALL_IDLE)) { final String remoteAddress = RemotingHelper.parseChannelRemoteAddr(ctx.channel()); log.warn("NETTY CLIENT PIPELINE: IDLE exception [{}]", remoteAddress); closeChannel(ctx.channel()); if (NettyRemotingClient.this.channelEventListener != null) { NettyRemotingClient.this .putNettyEvent(new NettyEvent(NettyEventType.IDLE, remoteAddress, ctx.channel())); } } } ctx.fireUserEventTriggered(evt); }