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/MessageRequestProcessor.java | 142 +++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 142 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/MessageRequestProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/MessageRequestProcessor.java
new file mode 100644
index 0000000..1f4513e
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/MessageRequestProcessor.java
@@ -0,0 +1,142 @@
+package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message;
+
+import com.genersoft.iot.vmp.gb28181.bean.Device;
+import com.genersoft.iot.vmp.gb28181.bean.DeviceNotFoundEvent;
+import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
+import com.genersoft.iot.vmp.gb28181.bean.SsrcTransaction;
+import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;
+import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;
+import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
+import com.genersoft.iot.vmp.gb28181.transmit.event.request.ISIPRequestProcessor;
+import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
+import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
+import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
+import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
+import gov.nist.javax.sip.message.SIPRequest;
+import org.dom4j.DocumentException;
+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 javax.sip.InvalidArgumentException;
+import javax.sip.RequestEvent;
+import javax.sip.SipException;
+import javax.sip.header.CallIdHeader;
+import javax.sip.message.Response;
+import java.text.ParseException;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+@Component
+public class MessageRequestProcessor extends SIPRequestProcessorParent implements InitializingBean, ISIPRequestProcessor {
+
+ private final static Logger logger = LoggerFactory.getLogger(MessageRequestProcessor.class);
+
+ private final String method = "MESSAGE";
+
+ private static Map<String, IMessageHandler> messageHandlerMap = new ConcurrentHashMap<>();
+
+ @Autowired
+ private SIPProcessorObserver sipProcessorObserver;
+
+ @Autowired
+ private IVideoManagerStorage storage;
+
+ @Autowired
+ private SipSubscribe sipSubscribe;
+
+ @Autowired
+ private IRedisCatchStorage redisCatchStorage;
+
+ @Autowired
+ private VideoStreamSessionManager sessionManager;
+
+ @Override
+ public void afterPropertiesSet() throws Exception {
+ // 添加消息处理的订阅
+ sipProcessorObserver.addRequestProcessor(method, this);
+ }
+
+ public void addHandler(String name, IMessageHandler handler) {
+ messageHandlerMap.put(name, handler);
+ }
+
+ @Override
+ public void process(RequestEvent evt) {
+ SIPRequest sipRequest = (SIPRequest)evt.getRequest();
+ logger.debug("接收到消息：" + evt.getRequest());
+ String deviceId = SipUtils.getUserIdFromFromHeader(evt.getRequest());
+ CallIdHeader callIdHeader = sipRequest.getCallIdHeader();
+ // 先从会话内查找
+ SsrcTransaction ssrcTransaction = sessionManager.getSsrcTransaction(null, null, callIdHeader.getCallId(), null);
+ // 兼容海康 媒体通知 消息from字段不是设备ID的问题
+ if (ssrcTransaction != null) {
+ deviceId = ssrcTransaction.getDeviceId();
+ }
+ SIPRequest request = (SIPRequest) evt.getRequest();
+ // 查询设备是否存在
+ Device device = redisCatchStorage.getDevice(deviceId);
+ // 查询上级平台是否存在
+ ParentPlatform parentPlatform = storage.queryParentPlatByServerGBId(deviceId);
+ try {
+ if (device != null && parentPlatform != null) {
+ String hostAddress = request.getRemoteAddress().getHostAddress();
+ int remotePort = request.getRemotePort();
+ if (device.getHostAddress().equals(hostAddress + ":" + remotePort)) {
+ parentPlatform = null;
+ }else {
+ device = null;
+ }
+ }
+ if (device == null && parentPlatform == null) {
+ // 不存在则回复404
+ responseAck(request, Response.NOT_FOUND, "device "+ deviceId +" not found");
+ logger.warn("[设备未找到 ]： {}", deviceId);
+ if (sipSubscribe.getErrorSubscribe(callIdHeader.getCallId()) != null){
+ DeviceNotFoundEvent deviceNotFoundEvent = new DeviceNotFoundEvent(evt.getDialog());
+ deviceNotFoundEvent.setCallId(callIdHeader.getCallId());
+ SipSubscribe.EventResult eventResult = new SipSubscribe.EventResult(deviceNotFoundEvent);
+ sipSubscribe.getErrorSubscribe(callIdHeader.getCallId()).response(eventResult);
+ };
+ }else {
+ Element rootElement = null;
+ try {
+ rootElement = getRootElement(evt);
+ if (rootElement == null) {
+ logger.error("处理MESSAGE请求 未获取到消息体{}", evt.getRequest());
+ responseAck(request, Response.BAD_REQUEST, "content is null");
+ return;
+ }
+ } catch (DocumentException e) {
+ logger.warn("解析XML消息内容异常", e);
+ // 不存在则回复404
+ responseAck(request, Response.BAD_REQUEST, e.getMessage());
+ }
+ String name = rootElement.getName();
+ IMessageHandler messageHandler = messageHandlerMap.get(name);
+ if (messageHandler != null) {
+ if (device != null) {
+ messageHandler.handForDevice(evt, device, rootElement);
+ }else { // 由于上面已经判断都为null则直接返回，所以这里device和parentPlatform必有一个不为null
+ messageHandler.handForPlatform(evt, parentPlatform, rootElement);
+ }
+ }else {
+ // 不支持的message
+ // 不存在则回复415
+ responseAck(request, Response.UNSUPPORTED_MEDIA_TYPE, "Unsupported message type, must Control/Notify/Query/Response");
+ }
+ }
+ } catch (SipException e) {
+ logger.warn("SIP 回复错误", e);
+ } catch (InvalidArgumentException e) {
+ logger.warn("参数无效", e);
+ } catch (ParseException e) {
+ logger.warn("SIP回复时解析异常", e);
+ }
+ }
+
+
+}
--
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