修复空指针异常

panlinlin

2020-12-27 6968839f21fb05bf6e3204c2040ee47130006cd0

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java

@@ -4,23 +4,22 @@
import java.util.regex.Matcher;

import java.util.regex.Pattern;



import javax.sip.ClientTransaction;

import javax.sip.Dialog;

import javax.sip.InvalidArgumentException;

import javax.sip.SipException;

import javax.sip.SipFactory;

import javax.sip.SipProvider;

import javax.sip.TransactionDoesNotExistException;

import javax.sip.*;

import javax.sip.address.SipURI;

import javax.sip.header.CallIdHeader;

import javax.sip.header.Header;

import javax.sip.header.ViaHeader;

import javax.sip.message.Request;



import com.alibaba.fastjson.JSONObject;

import com.genersoft.iot.vmp.common.StreamInfo;

import com.genersoft.iot.vmp.conf.MediaServerConfig;

import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;

import com.genersoft.iot.vmp.media.zlm.ZLMUtils;

import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;

import com.genersoft.iot.vmp.media.zlm.ZLMHttpHookSubscribe;

import com.genersoft.iot.vmp.media.zlm.ZLMRTPServerFactory;

import com.genersoft.iot.vmp.storager.IVideoManagerStorager;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.beans.factory.annotation.Qualifier;

import org.springframework.beans.factory.annotation.Value;

@@ -40,6 +39,8 @@
 */

@Component

public class SIPCommander implements ISIPCommander {



   private final Logger logger = LoggerFactory.getLogger(SIPCommander.class);

   

   @Autowired

   private SipConfig sipConfig;

@@ -62,10 +63,16 @@
   private SipProvider udpSipProvider;



   @Autowired

   private ZLMUtils zlmUtils;

   private ZLMRTPServerFactory zlmrtpServerFactory;



   @Value("${media.rtp.enable}")

   private boolean rtpEnable;



   @Autowired

   private ZLMHttpHookSubscribe subscribe;



   @Autowired

   private SipSubscribe sipSubscribe;







@@ -219,7 +226,7 @@
         

         Request request = headerProvider.createMessageRequest(device, ptzXml.toString(), "ViaPtzBranch", "FromPtzTag", "ToPtzTag");

         

         transmitRequest(device, request);

         transmitRequest(device, request, null);

         return true;

      } catch (SipException | ParseException | InvalidArgumentException e) {

         e.printStackTrace();

@@ -254,81 +261,100 @@
         ptzXml.append("</Control>\r\n");

         

         Request request = headerProvider.createMessageRequest(device, ptzXml.toString(), "ViaPtzBranch", "FromPtzTag", "ToPtzTag");

			
         transmitRequest(device, request);

         transmitRequest(device, request, null);

         return true;

      } catch (SipException | ParseException | InvalidArgumentException e) {

         e.printStackTrace();

      } 

      return false;

   }



   /**

    * 请求预览视频流

    * 
    *    请求预览视频流

    * @param device  视频设备

    * @param channelId  预览通道

    */  
    * @param event hook订阅

    * @param errorEvent sip错误订阅

    */

   @Override

   public StreamInfo playStreamCmd(Device device, String channelId) {

   public void playStreamCmd(Device device, String channelId, ZLMHttpHookSubscribe.Event event, SipSubscribe.Event errorEvent) {

      try {



         String ssrc = streamSession.createPlaySsrc();

         String streamId = null;

         if (rtpEnable) {

            streamId = String.format("gb_play_%s_%s", device.getDeviceId(), channelId);

         }else {

            streamId = String.format("%08x", Integer.parseInt(ssrc)).toUpperCase();

         }

         String streamMode = device.getStreamMode().toUpperCase();

         MediaServerConfig mediaInfo = storager.getMediaInfo();

         if (mediaInfo == null) {

            logger.warn("点播时发现ZLM尚未连接...");

            return;

         }

         String mediaPort = null;

         // 使用动态udp端口

         if (rtpEnable) {

            mediaPort = zlmUtils.getNewRTPPort(ssrc) + "";

            mediaPort = zlmrtpServerFactory.createRTPServer(streamId) + "";

         }else {

            mediaPort = mediaInfo.getRtpProxyPort();

         }



         // 添加订阅

         JSONObject subscribeKey = new JSONObject();

         subscribeKey.put("app", "rtp");

         subscribeKey.put("id", streamId);



         subscribe.addSubscribe(ZLMHttpHookSubscribe.HookType.on_publish, subscribeKey, event);

         //

         StringBuffer content = new StringBuffer(200);

           content.append("v=0\r\n");

           content.append("o="+channelId+" 0 0 IN IP4 "+mediaInfo.getLocalIP()+"\r\n");

           content.append("s=Play\r\n");

           content.append("c=IN IP4 "+mediaInfo.getLocalIP()+"\r\n");

           content.append("t=0 0\r\n");

           if("TCP-PASSIVE".equals(streamMode)) {

              content.append("m=video "+ mediaPort +" TCP/RTP/AVP 96 98 97\r\n");

         content.append("v=0\r\n");

//         content.append("o="+channelId+" 0 0 IN IP4 "+mediaInfo.getWanIp()+"\r\n");

         content.append("o="+"00000"+" 0 0 IN IP4 "+mediaInfo.getWanIp()+"\r\n");

         content.append("s=Play\r\n");

         content.append("c=IN IP4 "+mediaInfo.getWanIp()+"\r\n");

         content.append("t=0 0\r\n");

         if("TCP-PASSIVE".equals(streamMode)) {

            content.append("m=video "+ mediaPort +" TCP/RTP/AVP 126 125 99 34 98 97 96\r\n");

         }else if ("TCP-ACTIVE".equals(streamMode)) {

            content.append("m=video "+ mediaPort +" TCP/RTP/AVP 96 98 97\r\n");

            content.append("m=video "+ mediaPort +" TCP/RTP/AVP 126 125 99 34 98 97 96\r\n");

         }else if("UDP".equals(streamMode)) {

              content.append("m=video "+ mediaPort +" RTP/AVP 96 98 97\r\n");

            content.append("m=video "+ mediaPort +" RTP/AVP 126 125 99 34 98 97 96\r\n");

         }

           content.append("a=recvonly\r\n");

           content.append("a=rtpmap:96 PS/90000\r\n");

           content.append("a=rtpmap:98 H264/90000\r\n");

           content.append("a=rtpmap:97 MPEG4/90000\r\n");

           if("TCP-PASSIVE".equals(streamMode)){ // tcp被动模式

              content.append("a=setup:passive\r\n");

         content.append("a=recvonly\r\n");

         content.append("a=fmtp:126 profile-level-id=42e01e\r\n");

         content.append("a=rtpmap:126 H264/90000\r\n");

         content.append("a=rtpmap:125 H264S/90000\r\n");

         content.append("a=fmtp:125 profile-level-id=42e01e\r\n");

         content.append("a=rtpmap:99 MP4V-ES/90000\r\n");

         content.append("a=fmtp:99 profile-level-id=3\r\n");

         content.append("a=rtpmap:98 H264/90000\r\n");

         content.append("a=rtpmap:97 MPEG4/90000\r\n");

         content.append("a=rtpmap:96 PS/90000\r\n");

         if("TCP-PASSIVE".equals(streamMode)){ // tcp被动模式

            content.append("a=setup:passive\r\n");

            content.append("a=connection:new\r\n");

           }else if ("TCP-ACTIVE".equals(streamMode)) { // tcp主动模式

         }else if ("TCP-ACTIVE".equals(streamMode)) { // tcp主动模式

            content.append("a=setup:active\r\n");

            content.append("a=connection:new\r\n");

         }

           content.append("y="+ssrc+"\r\n");//ssrc

	        
           Request request = headerProvider.createInviteRequest(device, channelId, content.toString(), null, "live", null, ssrc);

	
           ClientTransaction transaction = transmitRequest(device, request);

           streamSession.put(ssrc, transaction);

         content.append("y="+ssrc+"\r\n");//ssrc



         Request request = headerProvider.createInviteRequest(device, channelId, content.toString(), null, "live", null, ssrc);



         ClientTransaction transaction = transmitRequest(device, request, errorEvent);

         streamSession.put(streamId, transaction);

         DeviceChannel deviceChannel = storager.queryChannel(device.getDeviceId(), channelId);

         if (deviceChannel != null) {

            deviceChannel.setSsrc(ssrc);

            deviceChannel.setStreamId(streamId);

            storager.updateChannel(device.getDeviceId(), deviceChannel);

         }



         StreamInfo streamInfo = new StreamInfo();

         streamInfo.setSsrc(ssrc);

         streamInfo.setCahnnelId(channelId);

         streamInfo.setDeviceID(device.getDeviceId());

         storager.startPlay(streamInfo);

         return streamInfo;



      } catch ( SipException | ParseException | InvalidArgumentException e) {

         e.printStackTrace();

         return null;

      } 
      }

   }

   

   /**

@@ -340,38 +366,53 @@
    * @param endTime 结束时间,格式要求：yyyy-MM-dd HH:mm:ss

    */ 

   @Override

   public StreamInfo playbackStreamCmd(Device device, String channelId, String startTime, String endTime) {

   public void playbackStreamCmd(Device device, String channelId, String startTime, String endTime, ZLMHttpHookSubscribe.Event event

         , SipSubscribe.Event errorEvent) {

      try {

         MediaServerConfig mediaInfo = storager.getMediaInfo();

         String ssrc = streamSession.createPlayBackSsrc();

         String streamId = String.format("%08x", Integer.parseInt(ssrc)).toUpperCase();

         // 添加订阅

         JSONObject subscribeKey = new JSONObject();

         subscribeKey.put("app", "rtp");

         subscribeKey.put("id", streamId);



         subscribe.addSubscribe(ZLMHttpHookSubscribe.HookType.on_publish, subscribeKey, event);



         //

         StringBuffer content = new StringBuffer(200);

           content.append("v=0\r\n");

           content.append("o="+sipConfig.getSipId()+" 0 0 IN IP4 "+sipConfig.getSipIp()+"\r\n");

           content.append("s=Playback\r\n");

           content.append("u="+channelId+":0\r\n");

           content.append("c=IN IP4 "+mediaInfo.getLocalIP()+"\r\n");

           content.append("c=IN IP4 "+mediaInfo.getWanIp()+"\r\n");

           content.append("t="+DateUtil.yyyy_MM_dd_HH_mm_ssToTimestamp(startTime)+" "

               +DateUtil.yyyy_MM_dd_HH_mm_ssToTimestamp(endTime) +"\r\n");

         String mediaPort = null;

         // 使用动态udp端口

         if (rtpEnable) {

            mediaPort = zlmUtils.getNewRTPPort(ssrc) + "";

            mediaPort = zlmrtpServerFactory.createRTPServer(streamId) + "";

         }else {

            mediaPort = mediaInfo.getRtpProxyPort();

         }

         String streamMode = device.getStreamMode().toUpperCase();

         if("TCP-PASSIVE".equals(streamMode)) {

            content.append("m=video "+ mediaPort +" TCP/RTP/AVP 96 98 97\r\n");

            content.append("m=video "+ mediaPort +" TCP/RTP/AVP 126 125 99 34 98 97 96\r\n");

         }else if ("TCP-ACTIVE".equals(streamMode)) {

            content.append("m=video "+ mediaPort +" TCP/RTP/AVP 96 98 97\r\n");

            content.append("m=video "+ mediaPort +" TCP/RTP/AVP 126 125 99 34 98 97 96\r\n");

         }else if("UDP".equals(streamMode)) {

            content.append("m=video "+ mediaPort +" RTP/AVP 96 98 97\r\n");

            content.append("m=video "+ mediaPort +" RTP/AVP 126 125 99 34 98 97 96\r\n");

         }

           content.append("a=recvonly\r\n");

           content.append("a=rtpmap:96 PS/90000\r\n");

           content.append("a=rtpmap:98 H264/90000\r\n");

           content.append("a=rtpmap:97 MPEG4/90000\r\n");

         content.append("a=recvonly\r\n");

         content.append("a=fmtp:126 profile-level-id=42e01e\r\n");

         content.append("a=rtpmap:126 H264/90000\r\n");

         content.append("a=rtpmap:125 H264S/90000\r\n");

         content.append("a=fmtp:125 profile-level-id=42e01e\r\n");

         content.append("a=rtpmap:99 MP4V-ES/90000\r\n");

         content.append("a=fmtp:99 profile-level-id=3\r\n");

         content.append("a=rtpmap:98 H264/90000\r\n");

         content.append("a=rtpmap:97 MPEG4/90000\r\n");

         content.append("a=rtpmap:96 PS/90000\r\n");

         if("TCP-PASSIVE".equals(streamMode)){ // tcp被动模式

            content.append("a=setup:passive\r\n");

            content.append("a=connection:new\r\n");

@@ -382,20 +423,12 @@
           content.append("y="+ssrc+"\r\n");//ssrc

           

           Request request = headerProvider.createPlaybackInviteRequest(device, channelId, content.toString(), null, "playback", null);

	
           ClientTransaction transaction = transmitRequest(device, request);

           streamSession.put(ssrc, transaction);



         StreamInfo streamInfo = new StreamInfo();

         streamInfo.setSsrc(ssrc);

         streamInfo.setCahnnelId(channelId);

         streamInfo.setDeviceID(device.getDeviceId());

         boolean b = storager.startPlayback(streamInfo);

         return streamInfo;

           ClientTransaction transaction = transmitRequest(device, request, errorEvent);

           streamSession.put(streamId, transaction);



      } catch ( SipException | ParseException | InvalidArgumentException e) {

         e.printStackTrace();

         return null;

      }

   }

   

@@ -404,10 +437,10 @@
    * 

    */

   @Override

   public void streamByeCmd(String ssrc) {

   public void streamByeCmd(String streamId) {

      

      try {

         ClientTransaction transaction = streamSession.get(ssrc);

         ClientTransaction transaction = streamSession.get(streamId);

         if (transaction == null) {

            return;

         }

@@ -433,6 +466,8 @@
            clientTransaction = udpSipProvider.getNewClientTransaction(byeRequest);

         }

         dialog.sendRequest(clientTransaction);

         streamSession.remove(streamId);

         zlmrtpServerFactory.closeRTPServer(streamId);

      } catch (TransactionDoesNotExistException e) {

         e.printStackTrace();

      } catch (SipException e) {

@@ -550,7 +585,8 @@
         catalogXml.append("</Query>\r\n");

         

         Request request = headerProvider.createMessageRequest(device, catalogXml.toString(), "ViaDeviceInfoBranch", "FromDeviceInfoTag", "ToDeviceInfoTag");

         transmitRequest(device, request);



         transmitRequest(device, request, null);

         

      } catch (SipException | ParseException | InvalidArgumentException e) {

         e.printStackTrace();

@@ -565,7 +601,7 @@
    * @param device 视频设备

    */ 

   @Override

   public boolean catalogQuery(Device device) {

   public boolean catalogQuery(Device device, SipSubscribe.Event errorEvent) {

      // 清空通道

      storager.cleanChannelsForDevice(device.getDeviceId());

      try {

@@ -577,8 +613,9 @@
         catalogXml.append("<DeviceID>" + device.getDeviceId() + "</DeviceID>\r\n");

         catalogXml.append("</Query>\r\n");

         

         Request request = headerProvider.createMessageRequest(device, catalogXml.toString(), "ViaCatalogBranch", "FromCatalogTag", "ToCatalogTag");

         transmitRequest(device, request);

         Request request = headerProvider.createMessageRequest(device, catalogXml.toString(), "ViaCatalogBranch", "FromCatalogTag", null);



         transmitRequest(device, request, errorEvent);

      } catch (SipException | ParseException | InvalidArgumentException e) {

         e.printStackTrace();

         return false;

@@ -610,8 +647,10 @@
         recordInfoXml.append("<Type>all</Type>\r\n");

         recordInfoXml.append("</Query>\r\n");

         

         Request request = headerProvider.createMessageRequest(device, recordInfoXml.toString(), "ViaRecordInfoBranch", "FromRecordInfoTag", "ToRecordInfoTag");

         transmitRequest(device, request);

         Request request = headerProvider.createMessageRequest(device, recordInfoXml.toString(), "ViaRecordInfoBranch", "FromRecordInfoTag", null);





         transmitRequest(device, request, null);

      } catch (SipException | ParseException | InvalidArgumentException e) {

         e.printStackTrace();

         return false;

@@ -663,16 +702,30 @@
      return false;

   }

   

   private ClientTransaction transmitRequest(Device device, Request request) throws SipException {

   private ClientTransaction transmitRequest(Device device, Request request, SipSubscribe.Event errorEvent) throws SipException {

      ClientTransaction clientTransaction = null;

      if("TCP".equals(device.getTransport())) {

         clientTransaction = tcpSipProvider.getNewClientTransaction(request);

      } else if("UDP".equals(device.getTransport())) {

         clientTransaction = udpSipProvider.getNewClientTransaction(request);

      }



      // 添加订阅

      if (errorEvent != null) {

         CallIdHeader callIdHeader = (CallIdHeader)request.getHeader(CallIdHeader.NAME);

         sipSubscribe.addSubscribe(callIdHeader.getCallId(), errorEvent);

      }



      clientTransaction.sendRequest();

      return clientTransaction;

   }





   @Override

   public void closeRTPServer(Device device, String channelId) {

      if (rtpEnable) {

         String streamId = String.format("gb_play_%s_%s", device.getDeviceId(), channelId);

         zlmrtpServerFactory.closeRTPServer(streamId);

      }

   }

}