|  |  | 
 |  |  | import org.slf4j.LoggerFactory; | 
 |  |  | import org.springframework.beans.factory.annotation.Autowired; | 
 |  |  | import org.springframework.stereotype.Component; | 
 |  |  | import org.springframework.util.StringUtils; | 
 |  |  |  | 
 |  |  | import java.util.HashMap; | 
 |  |  | import java.util.Map; | 
 |  |  | import java.util.*; | 
 |  |  |  | 
 |  |  | @Component | 
 |  |  | public class ZLMRTPServerFactory { | 
 |  |  | 
 |  |  |  | 
 |  |  |     private int[] portRangeArray = new int[2]; | 
 |  |  |  | 
 |  |  |     public int createRTPServer(MediaServerItem mediaServerItem, String streamId) { | 
 |  |  |         Map<String, Integer> currentStreams = new HashMap<>(); | 
 |  |  |     public int getFreePort(MediaServerItem mediaServerItem, int startPort, int endPort, List<Integer> usedFreelist) { | 
 |  |  |         if (endPort <= startPort) return -1; | 
 |  |  |         if (usedFreelist == null) { | 
 |  |  |             usedFreelist = new ArrayList<>(); | 
 |  |  |         } | 
 |  |  |         JSONObject listRtpServerJsonResult = zlmresTfulUtils.listRtpServer(mediaServerItem); | 
 |  |  |         if (listRtpServerJsonResult != null) { | 
 |  |  |             JSONArray data = listRtpServerJsonResult.getJSONArray("data"); | 
 |  |  |             if (data != null) { | 
 |  |  |                 for (int i = 0; i < data.size(); i++) { | 
 |  |  |                     JSONObject dataItem = data.getJSONObject(i); | 
 |  |  |                     currentStreams.put(dataItem.getString("stream_id"), dataItem.getInteger("port")); | 
 |  |  |                     usedFreelist.add(dataItem.getInteger("port")); | 
 |  |  |                 } | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |         // 已经在推流 | 
 |  |  |         if (currentStreams.get(streamId) != null) { | 
 |  |  |             Map<String, Object> closeRtpServerParam = new HashMap<>(); | 
 |  |  |             closeRtpServerParam.put("stream_id", streamId); | 
 |  |  |             zlmresTfulUtils.closeRtpServer(mediaServerItem, closeRtpServerParam); | 
 |  |  |             currentStreams.remove(streamId); | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         Map<String, Object> param = new HashMap<>(); | 
 |  |  |         int result = -1; | 
 |  |  |         int newPort = getPortFromportRange(mediaServerItem); | 
 |  |  |         param.put("port", newPort); | 
 |  |  |         // 设置推流端口 | 
 |  |  |         if (startPort%2 == 1) { | 
 |  |  |             startPort ++; | 
 |  |  |         } | 
 |  |  |         boolean checkPort = false; | 
 |  |  |         for (int i = startPort; i < endPort  + 1; i+=2) { | 
 |  |  |             if (!usedFreelist.contains(i)){ | 
 |  |  |                 checkPort = true; | 
 |  |  |                 startPort = i; | 
 |  |  |                 break; | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |         if (!checkPort) { | 
 |  |  |             logger.warn("未找到节点{}上范围[{}-{}]的空闲端口", mediaServerItem.getId(), startPort, endPort); | 
 |  |  |             return -1; | 
 |  |  |         } | 
 |  |  |         param.put("port", startPort); | 
 |  |  |         String stream = UUID.randomUUID().toString(); | 
 |  |  |         param.put("enable_tcp", 1); | 
 |  |  |         param.put("stream_id", streamId); | 
 |  |  |         param.put("stream_id", stream); | 
 |  |  |         param.put("port", 0); | 
 |  |  |         JSONObject openRtpServerResultJson = zlmresTfulUtils.openRtpServer(mediaServerItem, param); | 
 |  |  |  | 
 |  |  |         if (openRtpServerResultJson != null) { | 
 |  |  |             switch (openRtpServerResultJson.getInteger("code")){ | 
 |  |  |                 case 0: | 
 |  |  |                     result= newPort; | 
 |  |  |                     break; | 
 |  |  |                 case -300: // id已经存在, 可能已经在其他端口推流, TODO 也可能是设备不等ack就直接推流了, 需要查询与设置的推流ip端口是否一致 | 
 |  |  |                     Map<String, Object> closeRtpServerParam = new HashMap<>(); | 
 |  |  |                     closeRtpServerParam.put("stream_id", streamId); | 
 |  |  |                     zlmresTfulUtils.closeRtpServer(mediaServerItem, closeRtpServerParam); | 
 |  |  |                     result = newPort; | 
 |  |  |                     break; | 
 |  |  |                 case -400: // 端口占用 | 
 |  |  |                     result= createRTPServer(mediaServerItem, streamId); | 
 |  |  |                     break; | 
 |  |  |                 default: | 
 |  |  |                     logger.error("创建RTP Server 失败 {}: " + openRtpServerResultJson.getString("msg"), newPort); | 
 |  |  |                     break; | 
 |  |  |             if (openRtpServerResultJson.getInteger("code") == 0) { | 
 |  |  |                 result= openRtpServerResultJson.getInteger("port"); | 
 |  |  |                 Map<String, Object> closeRtpServerParam = new HashMap<>(); | 
 |  |  |                 closeRtpServerParam.put("stream_id", stream); | 
 |  |  |                 zlmresTfulUtils.closeRtpServer(mediaServerItem, closeRtpServerParam); | 
 |  |  |             }else { | 
 |  |  |                 usedFreelist.add(startPort); | 
 |  |  |                 startPort +=2; | 
 |  |  |                 result = getFreePort(mediaServerItem, startPort, endPort,usedFreelist); | 
 |  |  |             } | 
 |  |  |         }else { | 
 |  |  |             //  检查ZLM状态 | 
 |  |  |             logger.error("创建RTP Server 失败 {}: 请检查ZLM服务", newPort); | 
 |  |  |             logger.error("创建RTP Server 失败 {}: 请检查ZLM服务", param.get("port")); | 
 |  |  |         } | 
 |  |  |         return result; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     public int createRTPServer(MediaServerItem mediaServerItem, String streamId, int ssrc) { | 
 |  |  |         int result = -1; | 
 |  |  |         // 查询此rtp server 是否已经存在 | 
 |  |  |         JSONObject rtpInfo = zlmresTfulUtils.getRtpInfo(mediaServerItem, streamId); | 
 |  |  |         if (rtpInfo != null && rtpInfo.getInteger("code") == 0 && rtpInfo.getBoolean("exist")) { | 
 |  |  |             result = rtpInfo.getInteger("local_port"); | 
 |  |  |             return result; | 
 |  |  |         } | 
 |  |  |         Map<String, Object> param = new HashMap<>(); | 
 |  |  |         // 推流端口设置0则使用随机端口 | 
 |  |  |         param.put("enable_tcp", 1); | 
 |  |  |         param.put("stream_id", streamId); | 
 |  |  |         param.put("port", 0); | 
 |  |  |         param.put("ssrc", ssrc); | 
 |  |  |         JSONObject openRtpServerResultJson = zlmresTfulUtils.openRtpServer(mediaServerItem, param); | 
 |  |  |  | 
 |  |  |         if (openRtpServerResultJson != null) { | 
 |  |  |             if (openRtpServerResultJson.getInteger("code") == 0) { | 
 |  |  |                 result= openRtpServerResultJson.getInteger("port"); | 
 |  |  |             }else { | 
 |  |  |                 logger.error("创建RTP Server 失败 {}: ", openRtpServerResultJson.getString("msg")); | 
 |  |  |             } | 
 |  |  |         }else { | 
 |  |  |             //  检查ZLM状态 | 
 |  |  |             logger.error("创建RTP Server 失败 {}: 请检查ZLM服务", param.get("port")); | 
 |  |  |         } | 
 |  |  |         return result; | 
 |  |  |     } | 
 |  |  | 
 |  |  |         return result; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     private int getPortFromportRange(MediaServerItem mediaServerItem) { | 
 |  |  |         int currentPort = mediaServerItem.getCurrentPort(); | 
 |  |  |         if (currentPort == 0) { | 
 |  |  |             String[] portRangeStrArray = mediaServerItem.getRtpPortRange().split(","); | 
 |  |  |             portRangeArray[0] = Integer.parseInt(portRangeStrArray[0]); | 
 |  |  |             portRangeArray[1] = Integer.parseInt(portRangeStrArray[1]); | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         if (currentPort == 0 || currentPort++ > portRangeArray[1]) { | 
 |  |  |             currentPort = portRangeArray[0]; | 
 |  |  |             mediaServerItem.setCurrentPort(currentPort); | 
 |  |  |             return portRangeArray[0]; | 
 |  |  |         } else { | 
 |  |  |             if (currentPort % 2 == 1) { | 
 |  |  |                 currentPort++; | 
 |  |  |             } | 
 |  |  |             currentPort++; | 
 |  |  |             mediaServerItem.setCurrentPort(currentPort); | 
 |  |  |             return currentPort; | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  | //    private int getPortFromportRange(MediaServerItem mediaServerItem) { | 
 |  |  | //        int currentPort = mediaServerItem.getCurrentPort(); | 
 |  |  | //        if (currentPort == 0) { | 
 |  |  | //            String[] portRangeStrArray = mediaServerItem.getSendRtpPortRange().split(","); | 
 |  |  | //            if (portRangeStrArray.length != 2) { | 
 |  |  | //                portRangeArray[0] = 30000; | 
 |  |  | //                portRangeArray[1] = 30500; | 
 |  |  | //            }else { | 
 |  |  | //                portRangeArray[0] = Integer.parseInt(portRangeStrArray[0]); | 
 |  |  | //                portRangeArray[1] = Integer.parseInt(portRangeStrArray[1]); | 
 |  |  | //            } | 
 |  |  | //        } | 
 |  |  | // | 
 |  |  | //        if (currentPort == 0 || currentPort++ > portRangeArray[1]) { | 
 |  |  | //            currentPort = portRangeArray[0]; | 
 |  |  | //            mediaServerItem.setCurrentPort(currentPort); | 
 |  |  | //            return portRangeArray[0]; | 
 |  |  | //        } else { | 
 |  |  | //            if (currentPort % 2 == 1) { | 
 |  |  | //                currentPort++; | 
 |  |  | //            } | 
 |  |  | //            currentPort++; | 
 |  |  | //            mediaServerItem.setCurrentPort(currentPort); | 
 |  |  | //            return currentPort; | 
 |  |  | //        } | 
 |  |  | //    } | 
 |  |  |  | 
 |  |  |     /** | 
 |  |  |      * 创建一个国标推流 | 
 |  |  | 
 |  |  |     public SendRtpItem createSendRtpItem(MediaServerItem serverItem, String ip, int port, String ssrc, String platformId, String deviceId, String channelId, boolean tcp){ | 
 |  |  |  | 
 |  |  |         // 使用RTPServer 功能找一个可用的端口 | 
 |  |  |         String playSsrc = serverItem.getSsrcConfig().getPlaySsrc(); | 
 |  |  |         int localPort = createRTPServer(serverItem, playSsrc); | 
 |  |  |         if (localPort != -1) { | 
 |  |  |             // TODO 高并发时可能因为未放入缓存而ssrc冲突 | 
 |  |  |             serverItem.getSsrcConfig().releaseSsrc(playSsrc); | 
 |  |  |             closeRTPServer(serverItem, playSsrc); | 
 |  |  |         String sendRtpPortRange = serverItem.getSendRtpPortRange(); | 
 |  |  |         if (StringUtils.isEmpty(sendRtpPortRange)) { | 
 |  |  |             return null; | 
 |  |  |         } | 
 |  |  |         String[] portRangeStrArray = serverItem.getSendRtpPortRange().split(","); | 
 |  |  |         int localPort = -1; | 
 |  |  |         if (portRangeStrArray.length != 2) { | 
 |  |  |             localPort = getFreePort(serverItem, 30000, 30500, null); | 
 |  |  |         }else { | 
 |  |  |             localPort = getFreePort(serverItem, Integer.parseInt(portRangeStrArray[0]),  Integer.parseInt(portRangeStrArray[1]), null); | 
 |  |  |         } | 
 |  |  |         if (localPort == -1) { | 
 |  |  |             logger.error("没有可用的端口"); | 
 |  |  |             return null; | 
 |  |  |         } | 
 |  |  | 
 |  |  |      * @return SendRtpItem | 
 |  |  |      */ | 
 |  |  |     public SendRtpItem createSendRtpItem(MediaServerItem serverItem, String ip, int port, String ssrc, String platformId, String app, String stream, String channelId, boolean tcp){ | 
 |  |  |         String playSsrc = serverItem.getSsrcConfig().getPlaySsrc(); | 
 |  |  |         int localPort = createRTPServer(serverItem, playSsrc); | 
 |  |  |         if (localPort != -1) { | 
 |  |  |             // TODO 高并发时可能因为未放入缓存而ssrc冲突 | 
 |  |  |             serverItem.getSsrcConfig().releaseSsrc(ssrc); | 
 |  |  |             closeRTPServer(serverItem, playSsrc); | 
 |  |  |         // 使用RTPServer 功能找一个可用的端口 | 
 |  |  |         String sendRtpPortRange = serverItem.getSendRtpPortRange(); | 
 |  |  |         if (StringUtils.isEmpty(sendRtpPortRange)) { | 
 |  |  |             return null; | 
 |  |  |         } | 
 |  |  |         String[] portRangeStrArray = serverItem.getSendRtpPortRange().split(","); | 
 |  |  |         int localPort = -1; | 
 |  |  |         if (portRangeStrArray.length != 2) { | 
 |  |  |             localPort = getFreePort(serverItem, 30000, 30500, null); | 
 |  |  |         }else { | 
 |  |  |             localPort = getFreePort(serverItem, Integer.parseInt(portRangeStrArray[0]),  Integer.parseInt(portRangeStrArray[1]), null); | 
 |  |  |         } | 
 |  |  |         if (localPort == -1) { | 
 |  |  |             logger.error("没有可用的端口"); | 
 |  |  |             return null; | 
 |  |  |         } | 
 |  |  | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     /** | 
 |  |  |      * 调用zlm RESTful API —— startSendRtp | 
 |  |  |      * 调用zlm RESTFUL API —— startSendRtp | 
 |  |  |      */ | 
 |  |  |     public Boolean startSendRtpStream(MediaServerItem mediaServerItem, Map<String, Object>param) { | 
 |  |  |     public JSONObject startSendRtpStream(MediaServerItem mediaServerItem, Map<String, Object>param) { | 
 |  |  |         Boolean result = false; | 
 |  |  |         JSONObject jsonObject = zlmresTfulUtils.startSendRtp(mediaServerItem, param); | 
 |  |  |         if (jsonObject == null) { | 
 |  |  |             logger.error("RTP推流失败: 请检查ZLM服务"); | 
 |  |  |         } else if (jsonObject.getInteger("code") == 0) { | 
 |  |  |             result= true; | 
 |  |  |             logger.info("RTP推流[ {}/{} ]请求成功,本地推流端口:{}" ,param.get("app"), param.get("stream"), jsonObject.getString("local_port")); | 
 |  |  |             logger.info("RTP推流成功[ {}/{} ],{}->{}:{}, " ,param.get("app"), param.get("stream"), jsonObject.getString("local_port"), param.get("dst_url"), param.get("dst_port")); | 
 |  |  |         } else { | 
 |  |  |             logger.error("RTP推流失败: " + jsonObject.getString("msg")); | 
 |  |  |             logger.error("RTP推流失败: {}, 参数:{}",jsonObject.getString("msg"),JSONObject.toJSON(param)); | 
 |  |  |         } | 
 |  |  |         return result; | 
 |  |  |         return jsonObject; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     /** | 
 |  |  | 
 |  |  |      */ | 
 |  |  |     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; | 
 |  |  |         } | 
 |  |  |         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; | 
 |  |  |         } | 
 |  |  |         if ( code == 0 && ! mediaInfo.getBoolean("online")) { | 
 |  |  |             logger.warn("查询流({}/{})是否有其它观看者时得到: {}", app, streamId, mediaInfo.getString("msg")); | 
 |  |  |             return -1; | 
 |  |  |         } | 
 |  |  |         return mediaInfo.getInteger("totalReaderCount"); | 
 |  |  |     } | 
 |  |  |  | 
 |  |  | 
 |  |  |             result= true; | 
 |  |  |             logger.info("停止RTP推流成功"); | 
 |  |  |         } else { | 
 |  |  |             logger.error("停止RTP推流失败: " + jsonObject.getString("msg")); | 
 |  |  |             logger.error("停止RTP推流失败: {}, 参数:{}",jsonObject.getString("msg"),JSONObject.toJSON(param)); | 
 |  |  |         } | 
 |  |  |         return result; | 
 |  |  |     } |