gb28181版本升级-补充

zhongrj

2023-06-27 2e98b20bea4463e4465e3c19059d0744a09aec06

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

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

import com.genersoft.iot.vmp.common.StreamInfo;
import com.genersoft.iot.vmp.conf.exception.SsrcTransactionNotFoundException;
import com.genersoft.iot.vmp.gb28181.bean.Device;
import com.genersoft.iot.vmp.gb28181.bean.InviteStreamType;
import com.genersoft.iot.vmp.gb28181.bean.SendRtpItem;
import com.genersoft.iot.vmp.gb28181.bean.SsrcTransaction;
import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;
import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommander;
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.ZLMRTPServerFactory;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import com.genersoft.iot.vmp.service.IDeviceService;
import com.genersoft.iot.vmp.service.IMediaServerService;
import com.genersoft.iot.vmp.service.bean.MessageForPushChannel;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
import gov.nist.javax.sip.message.SIPRequest;
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.*;
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 javax.sip.message.Response;
import java.text.ParseException;
import java.util.HashMap;
import java.util.Map;

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

   private final Logger logger = LoggerFactory.getLogger(ByeRequestProcessor.class);
   private final String method = "BYE";

   @Autowired
   private ISIPCommander cmder;

   @Autowired
   private IRedisCatchStorage redisCatchStorage;

   @Autowired
   private IDeviceService deviceService;

   @Autowired
   private IVideoManagerStorage storager;

   @Autowired
   private ZLMRTPServerFactory zlmrtpServerFactory;

   @Autowired
   private IMediaServerService mediaServerService;

   @Autowired
   private SIPProcessorObserver sipProcessorObserver;

   @Autowired
   private VideoStreamSessionManager streamSession;

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

   /**
    * 处理BYE请求
    * @param evt
    */
   @Override
   public void process(RequestEvent evt) {

      try {
         responseAck((SIPRequest) evt.getRequest(), Response.OK);
      } catch (SipException | InvalidArgumentException | ParseException e) {
         logger.error("[回复BYE信息失败]，{}", e.getMessage());
      }
      CallIdHeader callIdHeader = (CallIdHeader)evt.getRequest().getHeader(CallIdHeader.NAME);
         String platformGbId = ((SipURI) ((HeaderAddress) evt.getRequest().getHeader(FromHeader.NAME)).getAddress().getURI()).getUser();
         String channelId = ((SipURI) ((HeaderAddress) evt.getRequest().getHeader(ToHeader.NAME)).getAddress().getURI()).getUser();
         SendRtpItem sendRtpItem =  redisCatchStorage.querySendRTPServer(platformGbId, channelId, null, callIdHeader.getCallId());
         logger.info("[收到bye] {}/{}", platformGbId, channelId);
         if (sendRtpItem != null){
            String streamId = sendRtpItem.getStreamId();
            Map<String, Object> param = new HashMap<>();
            param.put("vhost","__defaultVhost__");
            param.put("app",sendRtpItem.getApp());
            param.put("stream",streamId);
            param.put("ssrc",sendRtpItem.getSsrc());
            logger.info("[收到bye] 停止向上级推流：{}", streamId);
            MediaServerItem mediaInfo = mediaServerService.getOne(sendRtpItem.getMediaServerId());
            redisCatchStorage.deleteSendRTPServer(platformGbId, channelId, callIdHeader.getCallId(), null);
            zlmrtpServerFactory.stopSendRtpStream(mediaInfo, param);
            int totalReaderCount = zlmrtpServerFactory.totalReaderCount(mediaInfo, sendRtpItem.getApp(), streamId);
            if (totalReaderCount <= 0) {
               logger.info("[收到bye] {} 无其它观看者，通知设备停止推流", streamId);
               if (sendRtpItem.getPlayType().equals(InviteStreamType.PLAY)) {
                  Device device = deviceService.getDevice(sendRtpItem.getDeviceId());
                  if (device == null) {
                     logger.info("[收到bye] {} 通知设备停止推流时未找到设备信息", streamId);
                  }
                  try {
                     logger.warn("[停止点播] {}/{}", sendRtpItem.getDeviceId(), channelId);
                     cmder.streamByeCmd(device, channelId, streamId, null);
                  } catch (InvalidArgumentException | ParseException | SipException |
                         SsrcTransactionNotFoundException e) {
                     logger.error("[收到bye] {} 无其它观看者，通知设备停止推流， 发送BYE失败 {}",streamId, e.getMessage());
                  }
               }
               if (sendRtpItem.getPlayType().equals(InviteStreamType.PUSH)) {
                  MessageForPushChannel messageForPushChannel = MessageForPushChannel.getInstance(0,
                        sendRtpItem.getApp(), sendRtpItem.getStreamId(), sendRtpItem.getChannelId(),
                        sendRtpItem.getPlatformId(), null, null, sendRtpItem.getMediaServerId());
                  redisCatchStorage.sendStreamPushRequestedMsg(messageForPushChannel);
               }
            }
         }
         // 可能是设备主动停止
         Device device = storager.queryVideoDeviceByChannelId(platformGbId);
         if (device != null) {
            storager.stopPlay(device.getDeviceId(), channelId);
            StreamInfo streamInfo = redisCatchStorage.queryPlayByDevice(device.getDeviceId(), channelId);
            if (streamInfo != null) {
               redisCatchStorage.stopPlay(streamInfo);
               mediaServerService.closeRTPServer(streamInfo.getMediaServerId(), streamInfo.getStream());
            }
            SsrcTransaction ssrcTransactionForPlay = streamSession.getSsrcTransaction(device.getDeviceId(), channelId, "play", null);
            if (ssrcTransactionForPlay != null){
               if (ssrcTransactionForPlay.getCallId().equals(callIdHeader.getCallId())){
                  // 释放ssrc
                  MediaServerItem mediaServerItem = mediaServerService.getOne(ssrcTransactionForPlay.getMediaServerId());
                  if (mediaServerItem != null) {
                     mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcTransactionForPlay.getSsrc());
                  }
                  streamSession.remove(device.getDeviceId(), channelId, ssrcTransactionForPlay.getStream());
               }
            }
            SsrcTransaction ssrcTransactionForPlayBack = streamSession.getSsrcTransaction(device.getDeviceId(), channelId, callIdHeader.getCallId(), null);
            if (ssrcTransactionForPlayBack != null) {
               // 释放ssrc
               MediaServerItem mediaServerItem = mediaServerService.getOne(ssrcTransactionForPlayBack.getMediaServerId());
               if (mediaServerItem != null) {
                  mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcTransactionForPlayBack.getSsrc());
               }
               streamSession.remove(device.getDeviceId(), channelId, ssrcTransactionForPlayBack.getStream());
            }
         }

   }
}