io.netty.handler.timeout.IdleState Java Exaples

Source File: BaseHandler.java From jt808-netty with MIT License

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    if (evt instanceof IdleStateEvent) {
        //此实例项目只设置了读取超时时间,可以通过state分别做处理,一般服务端在这里关闭连接节省资源，客户端发送心跳维持连接
        IdleState state = ((IdleStateEvent) evt).state();
        if (state == IdleState.READER_IDLE) {
            log.warn("客户端{}读取超时,关闭连接", ctx.channel().remoteAddress());
            ctx.close();
        } else if (state == IdleState.WRITER_IDLE) {
            log.warn("客户端{}写入超时", ctx.channel().remoteAddress());
        }else if(state == IdleState.ALL_IDLE){
            log.warn("客户端{}读取写入超时", ctx.channel().remoteAddress());
        }
    } else {
        super.userEventTriggered(ctx, evt);
    }
}

Source File: IdleStateTrigger.java From netty-pubsub with MIT License

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    if(evt instanceof IdleStateEvent){
        IdleState state = ((IdleStateEvent) evt).state();
        switch (state){
            case READER_IDLE:
            	 //�����¼�����������
                //System.out.println("����������\t"+ DateUtils.getCurrentDateTime());
                //ctx.channel().writeAndFlushֱ�Ӵ�outβ�����һ��handler��ջ
                //ctx.writeAndFlush �ӵ�ǰ����һ����β�˳�ջ
                ChannelFuture channelFuture = ctx.channel().writeAndFlush(HEARTBEATE.clone());
                channelFuture.addListener(ChannelFutureListener.CLOSE_ON_FAILURE);
                break;
        }
    }else{
        super.userEventTriggered(ctx, evt);
    }
}

Source File: NettyClientHandlerDemo5.java From java-study with Apache License 2.0

6 votes

@Override  
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {  
    System.out.println("循环触发时间："+MyTools.getNowTime(""));  
    if (evt instanceof IdleStateEvent) {  
        IdleStateEvent event = (IdleStateEvent) evt;  
        System.out.println("event.state():"+event.state()+",IdleState.READER_IDLE:"+IdleState.READER_IDLE);
        if (event.state() == IdleState.WRITER_IDLE) {  
        	System.out.println("TRY_TIMES:"+TRY_TIMES);
            if(currentTime <= TRY_TIMES){  
                System.out.println("currentTime:"+currentTime);  
                currentTime++;  
                ctx.channel().writeAndFlush(HEARTBEAT_SEQUENCE.duplicate());  
            }  
        }  
    }  
}

Source File: NettyRemotingClient.java From rocketmq with Apache License 2.0

6 votes

@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.toString(), ctx.channel()));
            }
        }
    }

    ctx.fireUserEventTriggered(evt);
}

Source File: NettyRemotingClient.java From dts with Apache License 2.0

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent evnet = (IdleStateEvent)evt;
        if (evnet.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.toString(), ctx.channel()));
            }
        }
    }

    ctx.fireUserEventTriggered(evt);
}

Source File: ServerConnectionStateNotifier.java From openAGV with Apache License 2.0

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt)
        throws Exception {
    if (evt instanceof IdleStateEvent) {
        if (((IdleStateEvent) evt).state() == IdleState.READER_IDLE
                && connectionEventListener != null) {
            connectionEventListener.onIdle();
        }
    } else if (evt instanceof ConnectionAssociatedEvent) {
        key = ((ConnectionAssociatedEvent) evt).getKey();
        LOG.debug("Connection associated to key: '{}'", key);
        if (null != clientEntries && null != key && null != clientEntries.get(key)) {
            connectionEventListener = clientEntries.get(key).getConnectionEventListener();
            if (null != connectionEventListener) {
                connectionEventListener.onConnect();
            }
        }
    }
    super.userEventTriggered(ctx, evt);
}

Source File: NettyRemotingServer.java From dts with Apache License 2.0

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent evnet = (IdleStateEvent)evt;
        if (evnet.state().equals(IdleState.ALL_IDLE)) {
            final String remoteAddress = RemotingHelper.parseChannelRemoteAddr(ctx.channel());
            log.warn("NETTY SERVER PIPELINE: IDLE exception [{}]", remoteAddress);
            RemotingUtil.closeChannel(ctx.channel());
            if (NettyRemotingServer.this.channelEventListener != null) {
                NettyRemotingServer.this.putNettyEvent(
                    new NettyEvent(NettyEventType.IDLE, remoteAddress.toString(), ctx.channel()));
            }
        }
    }

    ctx.fireUserEventTriggered(evt);
}

Source File: HeartbeatServerHandler.java From nuls-v2 with MIT License

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {

    if (evt instanceof IdleStateEvent) {
        SocketChannel channel = (SocketChannel) ctx.channel();
        String nodeId = IpUtil.getNodeId(channel.remoteAddress());
        LoggerUtil.COMMON_LOG.info("{}====userEventTriggered  IdleStateEvent==", nodeId);
        IdleStateEvent event = (IdleStateEvent) evt;
        String type = "";
        if (event.state() == IdleState.READER_IDLE) {
            type = "read idle";
        } else if (event.state() == IdleState.WRITER_IDLE) {
            type = "write idle";
        } else if (event.state() == IdleState.ALL_IDLE) {
            type = "all idle";
        }
        LoggerUtil.COMMON_LOG.info("localInfo: " + channel.localAddress().getHostString() + ":" + channel.localAddress().getPort());
        LoggerUtil.COMMON_LOG.info("remoteInfo: " + channel.remoteAddress().getHostString() + ":" + channel.remoteAddress().getPort());
        ctx.channel().close();
    } else {
        super.userEventTriggered(ctx, evt);
    }
}

Source File: NettyRemotingClient.java From rocketmq-read with Apache License 2.0

6 votes

@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);
}

Source File: NettyRemotingServer.java From rocketmq-read with Apache License 2.0

6 votes

@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 SERVER PIPELINE: IDLE exception [{}]", remoteAddress);
            RemotingUtil.closeChannel(ctx.channel());
            if (NettyRemotingServer.this.channelEventListener != null) {
                NettyRemotingServer.this
                    .putNettyEvent(new NettyEvent(NettyEventType.IDLE, remoteAddress, ctx.channel()));
            }
        }
    }

    ctx.fireUserEventTriggered(evt);
}

Source File: NoConnectIdleHandler.java From hivemq-community-edition with Apache License 2.0

6 votes

@Override
public void userEventTriggered(final @NotNull ChannelHandlerContext ctx, final @NotNull Object evt) {

    if (evt instanceof IdleStateEvent) {

        if (((IdleStateEvent) evt).state() == IdleState.READER_IDLE) {
            if (log.isDebugEnabled()) {

                log.debug("Client with IP {} disconnected. The client was idle for too long without sending a MQTT CONNECT packet",
                        ChannelUtils.getChannelIP(ctx.channel()).or("UNKNOWN"));
            }
            eventLog.clientWasDisconnected(ctx.channel(), "No CONNECT sent in time");
            ctx.close();
            return;
        }
    }
    ctx.fireUserEventTriggered(evt);
}

Source File: NoTlsHandshakeIdleHandler.java From hivemq-community-edition with Apache License 2.0

6 votes

@Override
public void userEventTriggered(final ChannelHandlerContext ctx, final Object evt) throws Exception {

    if (evt instanceof IdleStateEvent) {

        if (((IdleStateEvent) evt).state() == IdleState.READER_IDLE) {
            if (log.isDebugEnabled()) {

                log.debug("Client with IP {} disconnected. The client was idle for too long without finishing the TLS handshake",
                        ChannelUtils.getChannelIP(ctx.channel()).or("UNKNOWN"));
            }
            eventLog.clientWasDisconnected(ctx.channel(), "TLS handshake not finished in time");
            ctx.close();
            return;
        }
    }
    super.userEventTriggered(ctx, evt);
}

Source File: KeepAliveIdleHandler.java From hivemq-community-edition with Apache License 2.0

6 votes

@Override
public void userEventTriggered(final ChannelHandlerContext ctx, final Object evt) throws Exception {

    if (evt instanceof IdleStateEvent) {

        if (((IdleStateEvent) evt).state() == IdleState.READER_IDLE) {
            if (log.isDebugEnabled()) {

                log.debug("Client with IP {} disconnected. The client was idle for too long without sending a MQTT control packet",
                        ChannelUtils.getChannelIP(ctx.channel()).or("UNKNOWN"));
            }
            eventLog.clientWasDisconnected(ctx.channel(), "Client was idle for too long");
            ctx.close();
            return;
        }
    }
    super.userEventTriggered(ctx, evt);
}

Source File: NettyRemotingServer.java From DDMQ with Apache License 2.0

6 votes

@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 SERVER PIPELINE: IDLE exception [{}]", remoteAddress);
            RemotingUtil.closeChannel(ctx.channel());
            if (NettyRemotingServer.this.channelEventListener != null) {
                NettyRemotingServer.this
                    .putNettyEvent(new NettyEvent(NettyEventType.IDLE, remoteAddress, ctx.channel()));
            }
        }
    }

    ctx.fireUserEventTriggered(evt);
}

Source File: NettyRemotingClient.java From DDMQ with Apache License 2.0

6 votes

@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);
}

Source File: HeartbeatServerHandler.java From ext-opensource-netty with Mozilla Public License 2.0

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent e = (IdleStateEvent) evt;
        if (e.state() == IdleState.WRITER_IDLE) {
        	NettyLog.info("WRITER_IDLE");
        } else if (e.state() == IdleState.READER_IDLE) {
        	NettyLog.info("READER_IDLE");
            //ctx.channel().close();
        } else if (e.state() == IdleState.ALL_IDLE) {
        	NettyLog.info("ALL_IDLE");
        	//
        	ctx.close();
        	return ;
        }
    }
    super.userEventTriggered(ctx, evt);
}

Source File: ClientSocket.java From OrionAlpha with GNU General Public License v3.0

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent e = (IdleStateEvent) evt;
        if (e.state() == IdleState.READER_IDLE) {
            if (user != null && migrateState == MigrateState.WaitCenterMigrateOutResult) {
                // If a user has been migrating for over 30 seconds, dc and prepare a
                // HandleUserMigrateTimeout on the center JVM.
                if (System.currentTimeMillis() - migrateOut > 30000) {
                    channelInactive(ctx);
                }
            // If there's no active user and they aren't migrating, then they have no
            // excuse as to why they have no read operations for 20 seconds straight.
            } else {
                channelInactive(ctx);
            }
        // Handle the AliveAck on the client-end if this ever occurs.
        // If the user hits over a 15-second writer timeout -> disconnect.
        } else if (e.state() == IdleState.WRITER_IDLE) {
            channel.writeAndFlush(onAliveReq((int) (System.currentTimeMillis() / 1000)));
        }
    }
}

Source File: ClientByte2MessageInboundHandler.java From jt809-tcp-server with MIT License

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    if (evt instanceof IdleStateEvent) {
        IdleState state = ((IdleStateEvent) evt).state();
        if (state == IdleState.READER_IDLE) {

        }else if(state == IdleState.WRITER_IDLE){
            log.warn("发送心跳包到服务端 : {}",ctx.channel().remoteAddress().toString());
            this.sendTestMsgToServer(ctx);
        }else if(state == IdleState.ALL_IDLE){
            log.warn("发送心跳包到服务端 : {}",ctx.channel().remoteAddress().toString());
            this.sendTestMsgToServer(ctx);
        }
    } else {
        super.userEventTriggered(ctx, evt);
    }
}

Source File: HeartbeatHandler.java From pampas with Apache License 2.0

6 votes

@Override
    public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
        ctx.fireUserEventTriggered(evt);
        if (evt instanceof IdleStateEvent) {  // 2
            IdleStateEvent event = (IdleStateEvent) evt;
            String type = "";
            if (event.state() == IdleState.READER_IDLE) {
                type = "read idle";
            } else if (event.state() == IdleState.WRITER_IDLE) {
                type = "write idle";
            } else if (event.state() == IdleState.ALL_IDLE) {
                type = "all idle";
            }

//            ctx.writeAndFlush(HEARTBEAT_SEQUENCE.duplicate()).addListener(
//                    ChannelFutureListener.CLOSE_ON_FAILURE);
//            log.info("{}超时类型：{}", ctx.channel().remoteAddress(), type);
        } else {
            super.userEventTriggered(ctx, evt);
        }
    }

Source File: BattleServerHandler.java From Almost-Famous with MIT License

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    //超时事件
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent idleEvent = (IdleStateEvent) evt;
        //读
        if (idleEvent.state() == IdleState.READER_IDLE) {
            LinkMgr.closeOnFlush(ctx.channel(), ConnState.CLOSE_HEARTBEAT_EXPIRE);
        }
        //写
        else if (idleEvent.state() == IdleState.WRITER_IDLE) {

        }
        //全部
        else if (idleEvent.state() == IdleState.ALL_IDLE) {

        }
    }
    super.userEventTriggered(ctx, evt);
}

Source File: MatchServerHandler.java From Almost-Famous with MIT License

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    //超时事件
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent idleEvent = (IdleStateEvent) evt;
        //读
        if (idleEvent.state() == IdleState.READER_IDLE) {
            LinkMgr.closeOnFlush(ctx.channel(), ConnState.CLOSE_HEARTBEAT_EXPIRE);
        }
        //写
        else if (idleEvent.state() == IdleState.WRITER_IDLE) {

        }
        //全部
        else if (idleEvent.state() == IdleState.ALL_IDLE) {

        }
    }
    super.userEventTriggered(ctx, evt);
}

Source File: NettyServerHandler.java From springBoot-study with Apache License 2.0

6 votes

/**
 * 超时处理 如果5秒没有接受客户端的心跳，就触发; 如果超过两次，则直接关闭;
 */
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object obj) throws Exception {
	if (obj instanceof IdleStateEvent) {
		IdleStateEvent event = (IdleStateEvent) obj;
		if (IdleState.READER_IDLE.equals(event.state())) { // 如果读通道处于空闲状态，说明没有接收到心跳命令
			System.out.println("已经5秒没有接收到客户端的信息了");
			if (idle_count > 1) {
				System.out.println("关闭这个不活跃的channel");
				ctx.channel().close();
			}
			idle_count++;
		}
	} else {
		super.userEventTriggered(ctx, obj);
	}
}

Source File: MqttCommandInvocation.java From joyqueue with Apache License 2.0

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    String clientId = NettyAttrManager.getAttrClientId(ctx.channel());
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent event = (IdleStateEvent) evt;
        if (event.state().equals(IdleState.READER_IDLE)) {
            // keepalive的1.5倍时间内没有收到client端写操作 触发inactive并关闭连接
            LOG.info("READER_IDLE: {}, start close channel...", clientId);
            ctx.fireChannelInactive();
            ctx.close().addListener(CLOSE_ON_FAILURE);
        } else if (event.state().equals(IdleState.WRITER_IDLE)) {
            //未进行写操作
            LOG.info("WRITER_IDLE: {}, start close channel...", clientId);
        } else if (event.state().equals(IdleState.ALL_IDLE)) {
            //未进行读写
            LOG.info("ALL_IDLE: {}, start close channel...", clientId);
            ctx.fireChannelInactive();
            ctx.close().addListener(CLOSE_ON_FAILURE);
        }
    }
}

Source File: ClientHandler.java From LuckyFrameClient with GNU Affero General Public License v3.0

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt)
        throws Exception {
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent event = (IdleStateEvent) evt;
        if (event.state().equals(IdleState.READER_IDLE)) {
            //��������,���ֳ�����
            JSONObject json = new JSONObject();
            json.put("method", "ping");
            json.put("hostName", NETTY_HOST);
            //ctx.channel().writeAndFlush(json.toString() + "$_").sync();
            sendMessage(json.toString());
            //log.info("�������ͳɹ�!");
        }
    }
    super.userEventTriggered(ctx, evt);
}

Source File: SoaLinkStateHandler.java From dapeng-soa with Apache License 2.0

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {

    if (evt instanceof IdleStateEvent) {
        IdleStateEvent e = (IdleStateEvent) evt;

        if (e.state() == IdleState.READER_IDLE) {
            ctx.close();
            LOGGER.info(getClass().getName() + "::读超时，关闭连接:" + ctx.channel());

        } else if (e.state() == IdleState.WRITER_IDLE) {
            ctx.writeAndFlush(ctx.alloc().buffer(1).writeInt(0));

            if (LOGGER.isDebugEnabled())
                LOGGER.debug(getClass().getName() + "::写超时，发送心跳包:" + ctx.channel());

        } else if (e.state() == IdleState.ALL_IDLE) {

            if (LOGGER.isDebugEnabled())
                LOGGER.debug(getClass().getName() + "::读写都超时，发送心跳包:" + ctx.channel());
        }
    }

}

Source File: NettyServerHandler.java From netty-learning-example with Apache License 2.0

6 votes

/**
 * 超时处理 如果5秒没有接受客户端的心跳，就触发; 如果超过两次，则直接关闭;
 */
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object obj) throws Exception {
    if (obj instanceof IdleStateEvent) {
        IdleStateEvent event = (IdleStateEvent) obj;
        // 如果读通道处于空闲状态，说明没有接收到心跳命令
        if (IdleState.READER_IDLE.equals(event.state())) {
            log.info("已经5秒没有接收到客户端的信息了");
            if (idle_count.get() > 1) {
                log.info("关闭这个不活跃的channel");
                ctx.channel().close();
            }
            idle_count.getAndIncrement();
        }
    } else {
        super.userEventTriggered(ctx, obj);
    }
}

Source File: MqttTransportHandler.java From netty-learning-example with Apache License 2.0

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent idleStateEvent = (IdleStateEvent) evt;
        if (idleStateEvent.state() == IdleState.ALL_IDLE) {
            Channel channel = ctx.channel();
            String clientId = (String) channel.attr(AttributeKey.valueOf("clientId")).get();
            // 发送遗嘱消息
            if (this.protocolProcess.getGrozaSessionStoreService().containsKey(clientId)) {
                SessionStore sessionStore = this.protocolProcess.getGrozaSessionStoreService().get(clientId);
                if (sessionStore.getWillMessage() != null) {
                    this.protocolProcess.publish().processPublish(ctx.channel(), sessionStore.getWillMessage());
                }
            }
            ctx.close();
        }
    } else {
        super.userEventTriggered(ctx, evt);
    }
}

Source File: IdleTimeoutInitializer.java From servicetalk with Apache License 2.0

6 votes

@Override
public void init(Channel channel) {
    if (timeoutMs > 0) {
        LOGGER.debug("Channel idle timeout is {}ms.", timeoutMs);
        channel.pipeline().addLast(new IdleStateHandler(0, 0, timeoutMs, TimeUnit.MILLISECONDS) {
            @Override
            protected void channelIdle(ChannelHandlerContext ctx, IdleStateEvent evt) {
                if (evt.state() == IdleState.ALL_IDLE) {
                    // Some protocols may have their own grace period to shutdown the channel
                    // and we don't want the idle timeout to fire again during this process.
                    ctx.pipeline().remove(this);
                    if (LOGGER.isDebugEnabled()) {
                        LOGGER.debug("Closing channel {} after {}ms of inactivity.", ctx.channel(), timeoutMs);
                    }
                    // Fire the event through the pipeline so protocols can prepare for the close event.
                    ctx.fireUserEventTriggered(evt);
                    ctx.close();
                }
            }
        });
    }
}

Source File: ServerHandler.java From LuckyFrameWeb with GNU Affero General Public License v3.0

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent event = (IdleStateEvent) evt;
        if (event.state().equals(IdleState.READER_IDLE)) {
            // 空闲40s之后触发 (心跳包丢失)
            if (counter >= 3) {
                // 连续丢失3个心跳包 (断开连接)
                ctx.channel().close().sync();
                log.error("已与" + ctx.channel().remoteAddress() + "断开连接");
            } else {
                counter++;
                log.debug(ctx.channel().remoteAddress() + "丢失了第 " + counter + " 个心跳包");
            }
        }

    }
}

Source File: NettyClientMessageHandler.java From Lottor with MIT License

6 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) {
    //心跳配置
    if (IdleStateEvent.class.isAssignableFrom(evt.getClass())) {
        IdleStateEvent event = (IdleStateEvent) evt;
        if (event.state() == IdleState.READER_IDLE) {
            SpringBeanUtils.getInstance().getBean(NettyClientService.class).doConnect();
        } else if (event.state() == IdleState.WRITER_IDLE) {
            //表示已经多久没有发送数据了
            HEART_BEAT.setAction(NettyMessageActionEnum.HEART.getCode());
            HEART_BEAT.setMetaInfo(modelNameService.findClientMetaInfo());
            HEART_BEAT.setSerialProtocol(this.txConfig.getNettySerializer());
            TxTransactionGroup group = new TxTransactionGroup();
            group.setSource(modelNameService.findModelName());
            HEART_BEAT.setTxTransactionGroup(group);
            ctx.writeAndFlush(HEART_BEAT);
            LogUtil.debug(LOGGER, "发送【心跳】事件到Lottor Server【{}】", () -> ctx.channel().remoteAddress().toString().substring(1));
        } else if (event.state() == IdleState.ALL_IDLE) {
            //表示已经多久既没有收到也没有发送数据了
            SpringBeanUtils.getInstance().getBean(NettyClientService.class).doConnect();
        }
    }
}

io.netty.handler.timeout.IdleState Java Examples