gb28181版本升级-补充

zhongrj

2023-06-27 2e98b20bea4463e4465e3c19059d0744a09aec06

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/AckRequestProcessor.java

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package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl;

import com.alibaba.fastjson.JSONObject;
import com.genersoft.iot.vmp.conf.DynamicTask;
import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
import com.genersoft.iot.vmp.gb28181.bean.SendRtpItem;
import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommander;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommanderForPlatform;
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.media.zlm.ZlmHttpHookSubscribe;
import com.genersoft.iot.vmp.media.zlm.ZLMRTPServerFactory;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import com.genersoft.iot.vmp.service.IMediaServerService;
import com.genersoft.iot.vmp.service.bean.RequestPushStreamMsg;
import com.genersoft.iot.vmp.service.redisMsg.RedisGbPlayMsgListener;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
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.address.SipURI;
import javax.sip.header.CallIdHeader;
import javax.sip.header.FromHeader;
import javax.sip.header.HeaderAddress;
import javax.sip.header.ToHeader;
import java.text.ParseException;
import java.util.*;

/**
 * SIP命令类型： ACK请求
 */
@Component
public class AckRequestProcessor extends SIPRequestProcessorParent implements InitializingBean, ISIPRequestProcessor {

   private Logger logger = LoggerFactory.getLogger(AckRequestProcessor.class);
   private final String method = "ACK";

   @Autowired
   private SIPProcessorObserver sipProcessorObserver;

   @Override
   public void afterPropertiesSet() throws Exception {
      // 添加消息处理的订阅
      sipProcessorObserver.addRequestProcessor(method, this);
   }

   @Autowired
    private IRedisCatchStorage redisCatchStorage;

   @Autowired
   private IVideoManagerStorage storager;

   @Autowired
   private ZLMRTPServerFactory zlmrtpServerFactory;

   @Autowired
   private IMediaServerService mediaServerService;

   @Autowired
   private ZlmHttpHookSubscribe subscribe;

   @Autowired
   private DynamicTask dynamicTask;

   @Autowired
   private ISIPCommander cmder;

   @Autowired
   private ISIPCommanderForPlatform commanderForPlatform;

   @Autowired
   private RedisGbPlayMsgListener redisGbPlayMsgListener;


   /**   
    * 处理  ACK请求
    * 
    * @param evt
    */
   @Override
   public void process(RequestEvent evt) {
      CallIdHeader callIdHeader = (CallIdHeader)evt.getRequest().getHeader(CallIdHeader.NAME);

      String platformGbId = ((SipURI) ((HeaderAddress) evt.getRequest().getHeader(FromHeader.NAME)).getAddress().getURI()).getUser();
      logger.info("[收到ACK]： platformGbId->{}", platformGbId);
      ParentPlatform parentPlatform = storager.queryParentPlatByServerGBId(platformGbId);
      // 取消设置的超时任务
      dynamicTask.stop(callIdHeader.getCallId());
      String channelId = ((SipURI) ((HeaderAddress) evt.getRequest().getHeader(ToHeader.NAME)).getAddress().getURI()).getUser();
      SendRtpItem sendRtpItem =  redisCatchStorage.querySendRTPServer(platformGbId, channelId, null, callIdHeader.getCallId());
      if (sendRtpItem == null) {
         logger.warn("[收到ACK]：未找到通道({})的推流信息", channelId);
         return;
      }
      String is_Udp = sendRtpItem.isTcp() ? "0" : "1";
      MediaServerItem mediaInfo = mediaServerService.getOne(sendRtpItem.getMediaServerId());
      logger.info("收到ACK，rtp/{}开始向上级推流, 目标={}:{}，SSRC={}", sendRtpItem.getStreamId(), sendRtpItem.getIp(), sendRtpItem.getPort(), sendRtpItem.getSsrc());
      Map<String, Object> param = new HashMap<>(12);
      param.put("vhost","__defaultVhost__");
      param.put("app",sendRtpItem.getApp());
      param.put("stream",sendRtpItem.getStreamId());
      param.put("ssrc", sendRtpItem.getSsrc());
      param.put("dst_url",sendRtpItem.getIp());
      param.put("dst_port", sendRtpItem.getPort());
      param.put("is_udp", is_Udp);
      param.put("src_port", sendRtpItem.getLocalPort());
      param.put("pt", sendRtpItem.getPt());
      param.put("use_ps", sendRtpItem.isUsePs() ? "1" : "0");
      param.put("only_audio", sendRtpItem.isOnlyAudio() ? "1" : "0");
      if (!sendRtpItem.isTcp() && parentPlatform.isRtcp()) {
         // 开启rtcp保活
         param.put("udp_rtcp_timeout", "1");
      }

      if (mediaInfo == null) {
         RequestPushStreamMsg requestPushStreamMsg = RequestPushStreamMsg.getInstance(
               sendRtpItem.getMediaServerId(), sendRtpItem.getApp(), sendRtpItem.getStreamId(),
               sendRtpItem.getIp(), sendRtpItem.getPort(), sendRtpItem.getSsrc(), sendRtpItem.isTcp(),
               sendRtpItem.getLocalPort(), sendRtpItem.getPt(), sendRtpItem.isUsePs(), sendRtpItem.isOnlyAudio());
         redisGbPlayMsgListener.sendMsgForStartSendRtpStream(sendRtpItem.getServerId(), requestPushStreamMsg, jsonObject->{
            startSendRtpStreamHand(evt, sendRtpItem, parentPlatform, jsonObject, param, callIdHeader);
         });
      }else {
         JSONObject jsonObject = zlmrtpServerFactory.startSendRtpStream(mediaInfo, param);
         startSendRtpStreamHand(evt, sendRtpItem, parentPlatform, jsonObject, param, callIdHeader);
      }
   }
   private void startSendRtpStreamHand(RequestEvent evt, SendRtpItem sendRtpItem, ParentPlatform parentPlatform,
                              JSONObject jsonObject, Map<String, Object> param, CallIdHeader callIdHeader) {
      if (jsonObject == null) {
         logger.error("RTP推流失败: 请检查ZLM服务");
      } else if (jsonObject.getInteger("code") == 0) {
         logger.info("调用ZLM推流接口, 结果： {}",  jsonObject);
         logger.info("RTP推流成功[ {}/{} ]，{}->{}:{}, " ,param.get("app"), param.get("stream"), jsonObject.getString("local_port"), param.get("dst_url"), param.get("dst_port"));
      } else {
         logger.error("RTP推流失败: {}, 参数：{}",jsonObject.getString("msg"),JSONObject.toJSON(param));
         if (sendRtpItem.isOnlyAudio()) {
            // TODO 可能是语音对讲
         }else {
            // 向上级平台
            try {
               commanderForPlatform.streamByeCmd(parentPlatform, callIdHeader.getCallId());
            } catch (SipException | InvalidArgumentException | ParseException e) {
               logger.error("[命令发送失败] 国标级联 发送BYE: {}", e.getMessage());
            }
         }
      }
   }
}