648540858
2022-03-02 1dcdbc3742835ccab28a8983ae002d2bbdba87eb
src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
@@ -1,18 +1,28 @@
package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.genersoft.iot.vmp.common.StreamInfo;
import com.genersoft.iot.vmp.gb28181.bean.*;
import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;
import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
import com.genersoft.iot.vmp.gb28181.transmit.callback.RequestMessage;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommander;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommanderFroPlatform;
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.IPlayService;
import com.genersoft.iot.vmp.service.bean.SSRCInfo;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
import com.genersoft.iot.vmp.vmanager.gb28181.play.bean.PlayResult;
import gov.nist.javax.sdp.TimeDescriptionImpl;
import gov.nist.javax.sdp.fields.TimeField;
import gov.nist.javax.sip.address.AddressImpl;
import gov.nist.javax.sip.address.SipUri;
import org.slf4j.Logger;
@@ -27,10 +37,14 @@
import javax.sip.ServerTransaction;
import javax.sip.SipException;
import javax.sip.address.SipURI;
import javax.sip.header.CallIdHeader;
import javax.sip.header.FromHeader;
import javax.sip.message.Request;
import javax.sip.message.Response;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Vector;
/**
@@ -60,6 +74,9 @@
   private IPlayService playService;
   @Autowired
   private ISIPCommander commander;
   @Autowired
   private ZLMRTPServerFactory zlmrtpServerFactory;
   @Autowired
@@ -67,6 +84,7 @@
   @Autowired
   private SIPProcessorObserver sipProcessorObserver;
   @Override
   public void afterPropertiesSet() throws Exception {
@@ -83,6 +101,7 @@
   @Override
   public void process(RequestEvent evt) {
      //  Invite Request消息实现,此消息一般为级联消息,上级给下级发送请求视频指令
      Long startTimeForInvite = System.currentTimeMillis();
      try {
         Request request = evt.getRequest();
         SipURI sipURI = (SipURI) request.getRequestURI();
@@ -90,6 +109,7 @@
         String requesterId = null;
         FromHeader fromHeader = (FromHeader)request.getHeader(FromHeader.NAME);
         CallIdHeader callIdHeader = (CallIdHeader)request.getHeader(CallIdHeader.NAME);
         AddressImpl address = (AddressImpl) fromHeader.getAddress();
         SipUri uri = (SipUri) address.getURI();
         requesterId = uri.getUser();
@@ -100,12 +120,13 @@
            return;
         }
         // 查询请求方是否上级平台
         // 查询请求是否来自上级平台\设备
         ParentPlatform platform = storager.queryParentPlatByServerGBId(requesterId);
         if (platform != null) {
            // 查询平台下是否有该通道
            DeviceChannel channel = storager.queryChannelInParentPlatform(requesterId, channelId);
            GbStream gbStream = storager.queryStreamInParentPlatform(requesterId, channelId);
            PlatformCatalog catalog = storager.getCatalog(channelId);
            MediaServerItem mediaServerItem = null;
            // 不是通道可能是直播流
            if (channel != null && gbStream == null ) {
@@ -130,7 +151,10 @@
                  return;
               }
               responseAck(evt, Response.CALL_IS_BEING_FORWARDED); // 通道存在,发181,呼叫转接中
            }else {
            }else if (catalog != null) {
               responseAck(evt, Response.BAD_REQUEST, "catalog channel can not play"); // 目录不支持点播
               return;
            } else {
               logger.info("通道不存在,返回404");
               responseAck(evt, Response.NOT_FOUND); // 通道不存在,发404,资源不存在
               return;
@@ -138,13 +162,36 @@
            // 解析sdp消息, 使用jainsip 自带的sdp解析方式
            String contentString = new String(request.getRawContent());
            // jainSip不支持y=字段, 移除移除以解析。
            // jainSip不支持y=字段, 移除以解析。
            int ssrcIndex = contentString.indexOf("y=");
            //ssrc规定长度为10字节,不取余下长度以避免后续还有“f=”字段
            String ssrc = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);
            String substring = contentString.substring(0, contentString.indexOf("y="));
            SessionDescription sdp = SdpFactory.getInstance().createSessionDescription(substring);
            // 检查是否有y字段
            String ssrcDefault = "0000000000";
            String ssrc;
            SessionDescription sdp;
            if (ssrcIndex >= 0) {
               //ssrc规定长度为10字节,不取余下长度以避免后续还有“f=”字段
               ssrc = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);
               String substring = contentString.substring(0, contentString.indexOf("y="));
               sdp = SdpFactory.getInstance().createSessionDescription(substring);
            }else {
               ssrc = ssrcDefault;
               sdp = SdpFactory.getInstance().createSessionDescription(contentString);
            }
            String sessionName = sdp.getSessionName().getValue();
            Long startTime = null;
            Long stopTime = null;
            Date start = null;
            Date end = null;
            if (sdp.getTimeDescriptions(false) != null && sdp.getTimeDescriptions(false).size() > 0) {
               TimeDescriptionImpl timeDescription = (TimeDescriptionImpl)(sdp.getTimeDescriptions(false).get(0));
               TimeField startTimeFiled = (TimeField)timeDescription.getTime();
               startTime = startTimeFiled.getStartTime();
               stopTime = startTimeFiled.getStopTime();
               start = new Date(startTime*1000);
               end = new Date(stopTime*1000);
            }
            //  获取支持的格式
            Vector mediaDescriptions = sdp.getMediaDescriptions(true);
            // 查看是否支持PS 负载96
@@ -214,23 +261,31 @@
                  responseAck(evt, Response.BUSY_HERE);
                  return;
               }
               sendRtpItem.setCallId(callIdHeader.getCallId());
               sendRtpItem.setPlay("Play".equals(sessionName));
               // 写入redis, 超时时回复
               redisCatchStorage.updateSendRTPSever(sendRtpItem);
               // 通知下级推流,
               PlayResult playResult = playService.play(mediaServerItem,device.getDeviceId(), channelId, (mediaServerItemInUSe, responseJSON)->{
                  // 收到推流, 回复200OK, 等待ack
               Device finalDevice = device;
               MediaServerItem finalMediaServerItem = mediaServerItem;
               Long finalStartTime = startTime;
               Long finalStopTime = stopTime;
               ZLMHttpHookSubscribe.Event hookEvent = (mediaServerItemInUSe, responseJSON)->{
                  logger.info("[上级点播]收到下级开始点播订阅, {}/{}", sendRtpItem.getApp(), sendRtpItem.getStreamId());
                  // if (sendRtpItem == null) return;
                  sendRtpItem.setStatus(1);
                  redisCatchStorage.updateSendRTPSever(sendRtpItem);
                  // TODO 添加对tcp的支持
                  StringBuffer content = new StringBuffer(200);
                  content.append("v=0\r\n");
                  content.append("o="+ channelId +" 0 0 IN IP4 "+mediaServerItemInUSe.getSdpIp()+"\r\n");
                  content.append("s=Play\r\n");
                  content.append("s=" + sessionName+"\r\n");
                  content.append("c=IN IP4 "+mediaServerItemInUSe.getSdpIp()+"\r\n");
                  content.append("t=0 0\r\n");
                  if ("Playback".equals(sessionName)) {
                     content.append("t=" + finalStartTime + " " + finalStopTime + "\r\n");
                  }else {
                     content.append("t=0 0\r\n");
                  }
                  content.append("m=video "+ sendRtpItem.getLocalPort()+" RTP/AVP 96\r\n");
                  content.append("a=sendonly\r\n");
                  content.append("a=rtpmap:96 PS/90000\r\n");
@@ -238,7 +293,7 @@
                  content.append("f=\r\n");
                  try {
                     responseAck(evt, content.toString());
                     responseSdpAck(evt, content.toString(), platform);
                  } catch (SipException e) {
                     e.printStackTrace();
                  } catch (InvalidArgumentException e) {
@@ -246,7 +301,11 @@
                  } catch (ParseException e) {
                     e.printStackTrace();
                  }
               } ,((event) -> {
                  if ("Playback".equals(sessionName) && responseJSON != null) {
                     playService.onPublishHandlerForPlayBack(finalMediaServerItem, responseJSON, finalDevice.getDeviceId(), channelId, null);
                  }
               };
               SipSubscribe.Event errorEvent = ((event) -> {
                  // 未知错误。直接转发设备点播的错误
                  Response response = null;
                  try {
@@ -257,11 +316,27 @@
                  } catch (ParseException | SipException | InvalidArgumentException e) {
                     e.printStackTrace();
                  }
               }));
               if (logger.isDebugEnabled()) {
                  logger.debug(playResult.getResult().toString());
               });
               if ("Playback".equals(sessionName)) {
                  sendRtpItem.setPlay(false);
                  SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, sendRtpItem.getSsrc(), true);
                  sendRtpItem.setStreamId(ssrc);
                  SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                  commander.playbackStreamCmd(mediaServerItem, ssrcInfo, device, channelId, format.format(start), format.format(end), hookEvent, errorEvent);
               }else {
                  sendRtpItem.setPlay(true);
                  StreamInfo streamInfo = redisCatchStorage.queryPlayByDevice(device.getDeviceId(), channelId);
                  if (streamInfo == null) {
                     if (mediaServerItem.isRtpEnable()) {
                        sendRtpItem.setStreamId(String.format("%s_%s", device.getDeviceId(), channelId));
                     }
                     sendRtpItem.setPlay(false);
                     playService.play(mediaServerItem,device.getDeviceId(), channelId, hookEvent,errorEvent);
                  }else {
                     sendRtpItem.setStreamId(streamInfo.getStreamId());
                     hookEvent.response(mediaServerItem, null);
                  }
               }
            }else if (gbStream != null) {
               SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
                     gbStream.getApp(), gbStream.getStream(), channelId,
@@ -281,7 +356,6 @@
               sendRtpItem.setStatus(1);
               redisCatchStorage.updateSendRTPSever(sendRtpItem);
               // TODO 添加对tcp的支持
               StringBuffer content = new StringBuffer(200);
               content.append("v=0\r\n");
               content.append("o="+ channelId +" 0 0 IN IP4 "+mediaServerItem.getSdpIp()+"\r\n");
@@ -295,7 +369,7 @@
               content.append("f=\r\n");
               try {
                  responseAck(evt, content.toString());
                  responseSdpAck(evt, content.toString(), platform);
               } catch (SipException e) {
                  e.printStackTrace();
               } catch (InvalidArgumentException e) {
@@ -307,7 +381,7 @@
         } else {
            // 非上级平台请求,查询是否设备请求(通常为接收语音广播的设备)
            Device device = storager.queryVideoDevice(requesterId);
            Device device = redisCatchStorage.getDevice(requesterId);
            if (device != null) {
               logger.info("收到设备" + requesterId + "的语音广播Invite请求");
               responseAck(evt, Response.TRYING);