io.netty.handler.timeout.IdleState#WRITER

Source File: HeartbeatHandler.java From mantis 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) {
            logger.warn("Read idle, due to missed heartbeats, closing connection: " + ctx.channel().remoteAddress());
            ctx.close();
        } else if (e.state() == IdleState.WRITER_IDLE) {
            ByteBuffer buffer = ByteBuffer.allocate(4 + 1); // length plus one byte
            buffer.putInt(1); // length of op code
            buffer.put((byte) 6); // op code for heartbeat for legacy protocol
            ctx.channel().writeAndFlush(buffer.array());
        }
    }
    super.userEventTriggered(ctx, evt);
}

Source File: EchoClientHandle.java From netty-learning with MIT License

6 votes

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

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

        if (idleStateEvent.state() == IdleState.WRITER_IDLE){
            LOGGER.info("已经 10 秒没有发送信息！");
            //向客户端发送消息
            CustomProtocol customProtocol = new CustomProtocol(45678L,"ping") ;
            ctx.writeAndFlush(Unpooled.copiedBuffer(customProtocol.toString(), CharsetUtil.UTF_8)) ;
        }


    }

    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: 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: SoaIdleHandler.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());

            //check times of write idle, close the channel if exceed specify times
            IdleConnectionManager.addChannel(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: 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: 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: 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: 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: 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: 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: HeartbeatClientHandler.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("client WRITER_IDLE");
        } else if (e.state() == IdleState.READER_IDLE) {
        	TranDataProtoUtil.writeAndFlushTranData(ctx, TranDataProtoUtil.getPingInstance());
        	
        	NettyLog.info("client READER_IDLE");
        	return;
        	
        } else if (e.state() == IdleState.ALL_IDLE) {
        	NettyLog.info("client ALL_IDLE");
        	ctx.close();
        }
    }
    super.userEventTriggered(ctx, evt);
}

Source File: FtdHeartbeatHandler.java From ftdc with Apache License 2.0

5 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
	if(evt instanceof IdleStateEvent) {
   		IdleStateEvent event = (IdleStateEvent) evt;
   		if(event.state() == IdleState.READER_IDLE) {
   			//超过约定时间没有收到数据认为链路有问题
   			logger.warn("not recieve heartbeat , exceed {}", ApplicationRuntime.conf().getFtdcReaderIdle());
   			ctx.close();
   		}else if(event.state() == IdleState.WRITER_IDLE) {
   			//超过约定时间没有写数据发心跳保活
   			ctx.writeAndFlush(HeartBeat.getHeartBeat());
   		}
	}
}

Source File: TransferHandler.java From ratel with Apache License 2.0

5 votes

@Override  
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {  
	if (evt instanceof IdleStateEvent) {  
		IdleStateEvent event = (IdleStateEvent) evt;  
		if (event.state() == IdleState.WRITER_IDLE) {  
			ChannelUtils.pushToServer(ctx.channel(), ServerEventCode.CODE_CLIENT_HEAD_BEAT, "heartbeat");
		}  
	}  
}

Source File: StreamServerGroupHandler.java From IpCamera with Eclipse Public License 2.0

5 votes

@Override
public void userEventTriggered(@Nullable ChannelHandlerContext ctx, @Nullable Object evt) throws Exception {
    if (evt == null || ctx == null) {
        return;
    }
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent e = (IdleStateEvent) evt;
        if (e.state() == IdleState.WRITER_IDLE) {
            logger.debug("Stream server is going to close an idle channel.");
            ctx.close();
        }
    }
}

Source File: IdleEventListener.java From xian with Apache License 2.0

5 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent event = (IdleStateEvent) evt;
        LOG.info(ctx.channel().remoteAddress() + "超时类型：" + event.state().name());
        if (event.state() == IdleState.WRITER_IDLE) {
            List<Request> timeoutRequests = ctx.channel().attr(ReqQueue.REQ_QUEUE).get().removeTimeout();
            for (Request timeoutRequest : timeoutRequests) {
                timeoutRequest.getChannelHandlerContext().writeAndFlush(buildTimeoutResponse(timeoutRequest));
            }
        }
    } else {
        super.userEventTriggered(ctx, evt);
    }
}

Source File: HeartBeatHandler.java From Distributed-KV with Apache License 2.0

5 votes

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
	IdleState state = null;
	if (evt instanceof IdleStateEvent)
		state = ((IdleStateEvent) evt).state();
	//对于写空闲，即长时间未传送数据，将传输心跳包
	if (state == IdleState.WRITER_IDLE) {
		Log.logger.info("send heartbeat package");
		ctx.writeAndFlush(HEARTBEATPACKAGE.copy());
		return;
	}
	
	//当UserEventTriggered事件未处理完时执行
	ctx.fireUserEventTriggered(evt);
}

Source File: HeartBeatHandler.java From momo-cloud-permission with Apache License 2.0

5 votes

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

    // 判断evt是否是IdleStateEvent（用于触发用户事件，包含 读空闲/写空闲/读写空闲 ）
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent event = (IdleStateEvent) evt;        // 强制类型转换
        String type = "";
        if (event.state() == IdleState.READER_IDLE) {
            log.info("进入读空闲...");
            type = "read idle";
        } else if (event.state() == IdleState.WRITER_IDLE) {
            log.info("进入写空闲...");
            type = "write idle";
        } else if (event.state() == IdleState.ALL_IDLE) {
            type = "all idle";
        }

        if (unRecPingTimes >= MAX_UN_REC_PING_TIMES) {
            // 连续超过N次未收到client的ping消息，那么关闭该通道，等待client重连
            ctx.channel().close();
        } else {
            // 失败计数器加1

            unRecPingTimes++;
        }
        log.debug(ctx.channel().remoteAddress() + "超时类型：" + type);
    } else {
        super.userEventTriggered(ctx, evt);
    }

}

Source File: StreamServerHandler.java From IpCamera with Eclipse Public License 2.0

5 votes

@Override
public void userEventTriggered(@Nullable ChannelHandlerContext ctx, @Nullable Object evt) throws Exception {
    if (ctx == null) {
        return;
    }
    logger.trace("Stream server:{}.", evt);
    if (evt instanceof IdleStateEvent) {
        IdleStateEvent e = (IdleStateEvent) evt;
        if (e.state() == IdleState.WRITER_IDLE) {
            logger.debug("Stream server is going to close an idle channel.");
            ctx.close();
        }
    }
}

Source File: BasicClient.java From Bats with Apache License 2.0

4 votes

@Override
protected void channelIdle(ChannelHandlerContext ctx, IdleStateEvent evt) throws Exception {
  if (evt.state() == IdleState.WRITER_IDLE) {
    ctx.writeAndFlush(PING_MESSAGE).addListener(pingFailedHandler);
  }
}

Java Code Examples for io.netty.handler.timeout.IdleState#WRITER_IDLE