From 2e98b20bea4463e4465e3c19059d0744a09aec06 Mon Sep 17 00:00:00 2001
From: zhongrj <646384940@qq.com>
Date: Tue, 27 Jun 2023 14:34:41 +0800
Subject: [PATCH] gb28181版本升级-补充
---
src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java | 93 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 93 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java
new file mode 100644
index 0000000..2846903
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java
@@ -0,0 +1,93 @@
+package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.notify.cmd;
+
+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.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.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.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.ObjectUtils;
+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 static String cmdType = "Keepalive";
+
+ @Autowired
+ private NotifyMessageHandler notifyMessageHandler;
+
+ @Autowired
+ private IDeviceService deviceService;
+
+ @Override
+ public void afterPropertiesSet() throws Exception {
+ notifyMessageHandler.addHandler(cmdType, this);
+ }
+
+ @Override
+ public void handForDevice(RequestEvent evt, Device device, Element element) {
+ if (device == null) {
+ // 未注册的设备不做处理
+ return;
+ }
+ // 回复200 OK
+ try {
+ responseAck((SIPRequest) evt.getRequest(), Response.OK);
+ } catch (SipException | InvalidArgumentException | ParseException e) {
+ logger.error("[命令发送失败] 国标级联 心跳回复: {}", e.getMessage());
+ }
+ // 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 (ObjectUtils.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());
+
+ if (device.getOnline() == 1) {
+ 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)){
+ deviceService.online(device);
+ }
+ }
+ }
+
+ @Override
+ public void handForPlatform(RequestEvent evt, ParentPlatform parentPlatform, Element element) {
+ // 不会收到上级平台的心跳信息
+
+ }
+}
--
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