优化播放中zlm离线判断

src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRTPServerFactory.java

@@ -283,10 +283,10 @@ public class ZLMRTPServerFactory {
      */
     public int totalReaderCount(MediaServerItem mediaServerItem, String app, String streamId) {
         JSONObject mediaInfo = zlmresTfulUtils.getMediaInfo(mediaServerItem, app, "rtmp", streamId);
-        Integer code = mediaInfo.getInteger("code");
         if (mediaInfo == null) {
             return 0;
         }
+        Integer code = mediaInfo.getInteger("code");
         if ( code < 0) {
             logger.warn("查询流({}/{})是否有其它观看者时得到： {}", app, streamId, mediaInfo.getString("msg"));
             return -1;

src/main/java/com/genersoft/iot/vmp/media/zlm/event/ZLMKeepliveTimeoutListener.java

@@ -61,13 +61,12 @@ public class ZLMKeepliveTimeoutListener extends RedisKeyExpirationEventMessageLi
         // 发起http请求验证zlm是否确实无法连接，如果确实无法连接则发送离线事件，否则不作处理
         MediaServerItem mediaServerItem = mediaServerService.getOne(mediaServerId);
         JSONObject mediaServerConfig = zlmresTfulUtils.getMediaServerConfig(mediaServerItem);
-        if (mediaServerConfig == null || mediaServerConfig.getInteger("code") == -2) {
-            publisher.zlmOfflineEventPublish(mediaServerId);
-        }else {
+        if (mediaServerConfig != null && mediaServerConfig.getInteger("code") == 0) {
             logger.info("[zlm心跳到期]：{}验证后zlm仍在线，恢复心跳信息", mediaServerId);
             // 添加zlm信息
             mediaServerService.updateMediaServerKeepalive(mediaServerId, mediaServerConfig);
+        }else {
+            publisher.zlmOfflineEventPublish(mediaServerId);
         }
-
     }
 }