648540858
2024-05-29 764d04b497356ba6bcbb75fd42b51eca750f7223
src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java
old mode 100644 new mode 100755
@@ -1,34 +1,40 @@
package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.notify.cmd;
import com.genersoft.iot.vmp.common.VideoManagerConstants;
import com.genersoft.iot.vmp.conf.DynamicTask;
import com.genersoft.iot.vmp.conf.UserSetting;
import com.genersoft.iot.vmp.gb28181.bean.Device;
import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
import com.genersoft.iot.vmp.gb28181.event.EventPublisher;
import com.genersoft.iot.vmp.gb28181.bean.RemoteAddressInfo;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.IMessageHandler;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.notify.NotifyMessageHandler;
import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
import com.genersoft.iot.vmp.service.IDeviceService;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
import com.genersoft.iot.vmp.utils.DateUtil;
import gov.nist.javax.sip.message.SIPRequest;
import org.apache.commons.lang3.ObjectUtils;
import org.dom4j.Element;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import javax.sip.InvalidArgumentException;
import javax.sip.RequestEvent;
import javax.sip.SipException;
import javax.sip.header.ViaHeader;
import javax.sip.message.Response;
import java.text.ParseException;
/**
 * 状态信息(心跳)报送
 */
@Component
public class KeepaliveNotifyMessageHandler extends SIPRequestProcessorParent implements InitializingBean, IMessageHandler {
    private Logger logger = LoggerFactory.getLogger(KeepaliveNotifyMessageHandler.class);
    private final Logger logger = LoggerFactory.getLogger(KeepaliveNotifyMessageHandler.class);
    private final static String cmdType = "Keepalive";
    @Autowired
@@ -36,6 +42,12 @@
    @Autowired
    private IDeviceService deviceService;
    @Autowired
    private UserSetting userSetting;
    @Autowired
    private DynamicTask dynamicTask;
    @Override
    public void afterPropertiesSet() throws Exception {
@@ -48,46 +60,67 @@
            // 未注册的设备不做处理
            return;
        }
        SIPRequest request = (SIPRequest) evt.getRequest();
        logger.info("[收到心跳] device: {}, callId: {}", device.getDeviceId(), request.getCallIdHeader().getCallId());
        // 回复200 OK
        try {
            if (device.getOnline() == 1) {
                // 回复200 OK
                responseAck(evt, Response.OK);
            }else {
                // 对于已经离线的设备判断他的注册是否已经过期
                if (!deviceService.expire(device)){
                    device.setKeepaliveTime(DateUtil.getNow());
                    // 判断RPort是否改变,改变则说明路由nat信息变化,修改设备信息
                    // 获取到通信地址等信息
                    ViaHeader viaHeader = (ViaHeader) evt.getRequest().getHeader(ViaHeader.NAME);
                    String received = viaHeader.getReceived();
                    int rPort = viaHeader.getRPort();
                    // 解析本地地址替代
                    if (StringUtils.isEmpty(received) || rPort == -1) {
                        received = viaHeader.getHost();
                        rPort = viaHeader.getPort();
                    }
                    if (device.getPort() != rPort) {
                        device.setPort(rPort);
                        device.setHostAddress(received.concat(":").concat(String.valueOf(rPort)));
                    }
                    device.setKeepaliveTime(DateUtil.getNow());
                    deviceService.online(device);
                    // 回复200 OK
                    responseAck(evt, Response.OK);
                }
            }
        } catch (SipException e) {
            e.printStackTrace();
        } catch (InvalidArgumentException e) {
            e.printStackTrace();
        } catch (ParseException e) {
            e.printStackTrace();
            responseAck(request, Response.OK);
        } catch (SipException | InvalidArgumentException | ParseException e) {
            logger.error("[命令发送失败] 心跳回复: {}", e.getMessage());
        }
        if (!ObjectUtils.isEmpty(device.getKeepaliveTime()) && DateUtil.getDifferenceForNow(device.getKeepaliveTime()) <= 3000L) {
            logger.info("[收到心跳] 心跳发送过于频繁,已忽略 device: {}, callId: {}", device.getDeviceId(), request.getCallIdHeader().getCallId());
            return;
        }
        RemoteAddressInfo remoteAddressInfo = SipUtils.getRemoteAddressFromRequest(request, userSetting.getSipUseSourceIpAsRemoteAddress());
        if (!device.getIp().equalsIgnoreCase(remoteAddressInfo.getIp()) || device.getPort() != remoteAddressInfo.getPort()) {
            logger.info("[收到心跳] 设备{}地址变化, 远程地址为: {}:{}", device.getDeviceId(), remoteAddressInfo.getIp(), remoteAddressInfo.getPort());
            device.setPort(remoteAddressInfo.getPort());
            device.setHostAddress(remoteAddressInfo.getIp().concat(":").concat(String.valueOf(remoteAddressInfo.getPort())));
            device.setIp(remoteAddressInfo.getIp());
            // 设备地址变化会引起目录订阅任务失效,需要重新添加
            if (device.getSubscribeCycleForCatalog() > 0) {
                deviceService.removeCatalogSubscribe(device, result->{
                    deviceService.addCatalogSubscribe(device);
                });
            }
        }
        if (device.getKeepaliveTime() == null) {
            device.setKeepaliveIntervalTime(60);
        }else {
            long lastTime = DateUtil.yyyy_MM_dd_HH_mm_ssToTimestamp(device.getKeepaliveTime());
            if (System.currentTimeMillis()/1000-lastTime > 10) {
                device.setKeepaliveIntervalTime(Long.valueOf(System.currentTimeMillis()/1000-lastTime).intValue());
            }
        }
        device.setKeepaliveTime(DateUtil.getNow());
        if (device.isOnLine()) {
            deviceService.updateDevice(device);
        }else {
            // 对于已经离线的设备判断他的注册是否已经过期
            if (!deviceService.expire(device)){
                device.setOnLine(false);
                deviceService.online(device, null);
            }
        }
        // 刷新过期任务
        String registerExpireTaskKey = VideoManagerConstants.REGISTER_EXPIRE_TASK_KEY_PREFIX + device.getDeviceId();
        // 如果三次心跳失败,则设置设备离线
        dynamicTask.startDelay(registerExpireTaskKey, ()-> deviceService.offline(device.getDeviceId(), "三次心跳失败"), device.getKeepaliveIntervalTime()*1000*3);
    }
    @Override
    public void handForPlatform(RequestEvent evt, ParentPlatform parentPlatform, Element element) {
        // 不会收到上级平台的心跳信息
        // 个别平台保活不回复200OK会判定离线
        try {
            responseAck((SIPRequest) evt.getRequest(), Response.OK);
        } catch (SipException | InvalidArgumentException | ParseException e) {
            logger.error("[命令发送失败] 心跳回复: {}", e.getMessage());
        }
    }
}