package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.notify.cmd;
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import com.genersoft.iot.vmp.common.VideoManagerConstants;
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import com.genersoft.iot.vmp.conf.DynamicTask;
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import com.genersoft.iot.vmp.conf.UserSetting;
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import com.genersoft.iot.vmp.gb28181.bean.Device;
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import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
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import com.genersoft.iot.vmp.gb28181.bean.RemoteAddressInfo;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.IMessageHandler;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.notify.NotifyMessageHandler;
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import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
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import com.genersoft.iot.vmp.service.IDeviceService;
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import com.genersoft.iot.vmp.utils.DateUtil;
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import gov.nist.javax.sip.message.SIPRequest;
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import org.dom4j.Element;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.InitializingBean;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import javax.sip.InvalidArgumentException;
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import javax.sip.RequestEvent;
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import javax.sip.SipException;
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import javax.sip.message.Response;
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import java.text.ParseException;
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/**
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* 状态信息(心跳)报送
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*/
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@Component
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public class KeepaliveNotifyMessageHandler extends SIPRequestProcessorParent implements InitializingBean, IMessageHandler {
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private Logger logger = LoggerFactory.getLogger(KeepaliveNotifyMessageHandler.class);
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private final static String cmdType = "Keepalive";
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@Autowired
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private NotifyMessageHandler notifyMessageHandler;
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@Autowired
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private IDeviceService deviceService;
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@Autowired
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private UserSetting userSetting;
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@Autowired
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private DynamicTask dynamicTask;
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@Override
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public void afterPropertiesSet() throws Exception {
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notifyMessageHandler.addHandler(cmdType, this);
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}
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@Override
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public void handForDevice(RequestEvent evt, Device device, Element element) {
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if (device == null) {
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// 未注册的设备不做处理
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return;
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}
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logger.info("[收到心跳]， device: {}", device.getDeviceId());
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SIPRequest request = (SIPRequest) evt.getRequest();
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// 回复200 OK
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try {
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responseAck(request, Response.OK);
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} catch (SipException | InvalidArgumentException | ParseException e) {
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logger.error("[命令发送失败] 心跳回复: {}", e.getMessage());
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}
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RemoteAddressInfo remoteAddressInfo = SipUtils.getRemoteAddressFromRequest(request, userSetting.getSipUseSourceIpAsRemoteAddress());
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if (!device.getIp().equalsIgnoreCase(remoteAddressInfo.getIp()) || device.getPort() != remoteAddressInfo.getPort()) {
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logger.info("[心跳] 设备{}地址变化, 远程地址为: {}:{}", device.getDeviceId(), remoteAddressInfo.getIp(), remoteAddressInfo.getPort());
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device.setPort(remoteAddressInfo.getPort());
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device.setHostAddress(remoteAddressInfo.getIp().concat(":").concat(String.valueOf(remoteAddressInfo.getPort())));
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device.setIp(remoteAddressInfo.getIp());
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}
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if (device.getKeepaliveTime() == null) {
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device.setKeepaliveIntervalTime(60);
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}else {
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long lastTime = DateUtil.yyyy_MM_dd_HH_mm_ssToTimestamp(device.getKeepaliveTime());
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if (System.currentTimeMillis()/1000-lastTime > 10) {
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device.setKeepaliveIntervalTime(new Long(System.currentTimeMillis()/1000-lastTime).intValue());
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}
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}
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device.setKeepaliveTime(DateUtil.getNow());
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if (device.isOnLine()) {
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deviceService.updateDevice(device);
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}else {
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// 对于已经离线的设备判断他的注册是否已经过期
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if (!deviceService.expire(device)){
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device.setOnLine(false);
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deviceService.online(device, null);
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}
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}
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// 刷新过期任务
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String registerExpireTaskKey = VideoManagerConstants.REGISTER_EXPIRE_TASK_KEY_PREFIX + device.getDeviceId();
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// 如果三次心跳失败，则设置设备离线
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dynamicTask.startDelay(registerExpireTaskKey, ()-> deviceService.offline(device.getDeviceId(), "三次心跳失败"), device.getKeepaliveIntervalTime()*1000*3);
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}
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@Override
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public void handForPlatform(RequestEvent evt, ParentPlatform parentPlatform, Element element) {
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// 不会收到上级平台的心跳信息
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}
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}
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