增加上级点播停止后通知设备停止推流功能，并自动与本地播放协同

lawrencehj
1 parent 32fbfd8d
Showing 6 changed files with 92 additions and 18 deletions
src/main/java/com/genersoft/iot/vmp/gb28181/transmit/SIPProcessorFactory.java
src/main/java/com/genersoft/iot/vmp/gb28181/transmit/request/impl/ByeRequestProcessor.java
src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMHttpHookListener.java
src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRTPServerFactory.java
src/main/java/com/genersoft/iot/vmp/storager/IRedisCatchStorage.java
src/main/java/com/genersoft/iot/vmp/storager/impl/RedisCatchStorageImpl.java
@@ -156,6 +156,7 @@ public class SIPProcessorFactory {
 			processor.setRequestEvent(evt);
 			processor.setRedisCatchStorage(redisCatchStorage);
 			processor.setZlmrtpServerFactory(zlmrtpServerFactory);
+			processor.setSIPCommander(cmder);
 			return processor;
 		} else if (Request.CANCEL.equals(method)) {
 			CancelRequestProcessor processor = new CancelRequestProcessor();
 package com.genersoft.iot.vmp.gb28181.transmit.request.impl;
+import javax.sip.address.SipURI;
 import javax.sip.Dialog;
 import javax.sip.DialogState;
 import javax.sip.InvalidArgumentException;
 import javax.sip.RequestEvent;
 import javax.sip.SipException;
+import javax.sip.header.FromHeader;
+import javax.sip.header.HeaderAddress;
+import javax.sip.header.ToHeader;
 import javax.sip.message.Response;
 import com.genersoft.iot.vmp.gb28181.bean.SendRtpItem;
+import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommander;
 import com.genersoft.iot.vmp.gb28181.transmit.request.SIPRequestAbstractProcessor;
 import com.genersoft.iot.vmp.media.zlm.ZLMRTPServerFactory;
 import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
+import org.apache.log4j.Logger;
+
 import java.text.ParseException;
 import java.util.HashMap;
 import java.util.Map;
 /**    
  * @Description: BYE请求处理器
- * @author: swwheihei
- * @date:   2020年5月3日 下午5:32:05     
+ * @author: lawrencehj
+ * @date:   2021年3月9日     
  */
 public class ByeRequestProcessor extends SIPRequestAbstractProcessor {
-    private IRedisCatchStorage redisCatchStorage;
+	private ISIPCommander cmder;
+
+	private IRedisCatchStorage redisCatchStorage;
 	private ZLMRTPServerFactory zlmrtpServerFactory;
@@ -38,10 +47,8 @@ public class ByeRequestProcessor extends SIPRequestAbstractProcessor {
 			Dialog dialog = evt.getDialog();
 			if (dialog == null) return;
 			if (dialog.getState().equals(DialogState.TERMINATED)) {
-				String remoteUri = dialog.getRemoteParty().getURI().toString();
-				String localUri = dialog.getLocalParty().getURI().toString();
-				String platformGbId = remoteUri.substring(remoteUri.indexOf(":") + 1, remoteUri.indexOf("@"));
-				String channelId = localUri.substring(remoteUri.indexOf(":") + 1, remoteUri.indexOf("@"));
+				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);
 				String streamId = sendRtpItem.getStreamId();
 				Map<String, Object> param = new HashMap<>();
@@ -50,6 +57,11 @@ public class ByeRequestProcessor extends SIPRequestAbstractProcessor {
 				param.put("stream",streamId);
 				System.out.println("停止向上级推流：" + streamId);
 				zlmrtpServerFactory.stopSendRtpStream(param);
+				redisCatchStorage.deleteSendRTPServer(platformGbId, channelId);
+				if (zlmrtpServerFactory.totalReaderCount(streamId) == 0) {
+					System.out.println(streamId + "无其它观看者，通知设备停止推流");
+					cmder.streamByeCmd(streamId);
+				}
 			}
 		} catch (SipException e) {
 			e.printStackTrace();
@@ -58,8 +70,6 @@ public class ByeRequestProcessor extends SIPRequestAbstractProcessor {
 		} catch (ParseException e) {
 			e.printStackTrace();
 		}
-		// TODO 优先级99 Bye Request消息实现，此消息一般为级联消息，上级给下级发送视频停止指令
-		
 	}
 	/***
@@ -89,4 +99,13 @@ public class ByeRequestProcessor extends SIPRequestAbstractProcessor {
 	public void setZlmrtpServerFactory(ZLMRTPServerFactory zlmrtpServerFactory) {
 		this.zlmrtpServerFactory = zlmrtpServerFactory;
 	}
+
+	public ISIPCommander getSIPCommander() {
+		return cmder;
+	}
+
+	public void setSIPCommander(ISIPCommander cmder) {
+		this.cmder = cmder;
+	}
+
 }
@@ -267,20 +267,25 @@ public class ZLMHttpHookListener {
 		}
 		String streamId = json.getString("stream");
-
-		cmder.streamByeCmd(streamId);
 		StreamInfo streamInfo = redisCatchStorage.queryPlayByStreamId(streamId);
-		if (streamInfo!=null){
-			redisCatchStorage.stopPlay(streamInfo);
-			storager.stopPlay(streamInfo.getDeviceID(), streamInfo.getChannelId());
+
+		JSONObject ret = new JSONObject();
+		ret.put("code", 0);
+		ret.put("close", true);
+
+		if (streamInfo != null) {
+			if (redisCatchStorage.isChannelSendingRTP(streamInfo.getChannelId())) {
+				ret.put("close", false);
+			} else {
+				cmder.streamByeCmd(streamId);
+				redisCatchStorage.stopPlay(streamInfo);
+				storager.stopPlay(streamInfo.getDeviceID(), streamInfo.getChannelId());
+			}
 		}else{
+			cmder.streamByeCmd(streamId);
 			streamInfo = redisCatchStorage.queryPlaybackByStreamId(streamId);
 			redisCatchStorage.stopPlayback(streamInfo);
 		}
-		
-		JSONObject ret = new JSONObject();
-		ret.put("code", 0);
-		ret.put("close", true);
 		return new ResponseEntity<String>(ret.toString(),HttpStatus.OK);
 	}
@@ -153,6 +153,16 @@ public class ZLMRTPServerFactory {
     }
     /**
+     * 查询转推的流是否有其它观看者
+     * @param streamId
+     * @return
+     */
+    public int totalReaderCount(String streamId) {
+        JSONObject mediaInfo = zlmresTfulUtils.getMediaInfo("rtp", "rtmp", streamId);
+        return mediaInfo.getInteger("totalReaderCount");
+    }
+
+    /**
      * 调用zlm RESTful API —— stopSendRtp
      */
     public Boolean stopSendRtpStream(Map<String, Object>param) {
@@ -89,4 +89,17 @@ public interface IRedisCatchStorage {
      */
     SendRtpItem querySendRTPServer(String platformGbId, String channelId);
+    /**
+     * 删除RTP推送信息缓存
+     * @param platformGbId
+     * @param channelId
+     */
+    void deleteSendRTPServer(String platformGbId, String channelId);
+
+    /**
+     * 查询某个通道是否存在上级点播（RTP推送）
+     * @param channelId
+     */
+    boolean isChannelSendingRTP(String channelId);
+
 }
@@ -225,4 +225,30 @@ public class RedisCatchStorageImpl implements IRedisCatchStorage {
         return (SendRtpItem)redis.get(key);
     }
+    /**
+     * 删除RTP推送信息缓存
+     * @param platformGbId
+     * @param channelId
+     */
+    @Override
+    public void deleteSendRTPServer(String platformGbId, String channelId) {
+        String key = VideoManagerConstants.PLATFORM_SEND_RTP_INFO_PREFIX + platformGbId + "_" + channelId;
+        redis.del(key);
+    }
+
+    /**
+     * 查询某个通道是否存在上级点播（RTP推送）
+     * @param channelId
+     */
+    @Override
+    public boolean isChannelSendingRTP(String channelId) {
+        String key = VideoManagerConstants.PLATFORM_SEND_RTP_INFO_PREFIX + "*_" + channelId;
+        List<Object> RtpStreams = redis.scan(key);
+        if (RtpStreams.size() > 0) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
 }