From 5d901b5e3f033e8b04e53420d68626cbd87431c8 Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期五, 06 五月 2022 10:12:34 +0800
Subject: [PATCH] 使用阿里代码规范。规范代码写法

---
 src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRTPServerFactory.java |  202 ++++++++++++++++++++++++++++++--------------------
 1 files changed, 121 insertions(+), 81 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRTPServerFactory.java b/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRTPServerFactory.java
index 76bab9c..a7e6016 100644
--- a/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRTPServerFactory.java
+++ b/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRTPServerFactory.java
@@ -10,8 +10,7 @@
 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 {
@@ -23,58 +22,88 @@
 
     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"));
                 }
             }
-        }
-        // 宸茬粡鍦ㄦ帹娴�
-        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;
-        /**
-         * 涓嶈缃帹娴佺鍙g鍒欎娇鐢ㄩ殢鏈虹鍙�
-         */
-        if (StringUtils.isEmpty(mediaServerItem.getSendRtpPortRange())){
-            param.put("port", 0);
-        }else {
-            int newPort = getPortFromportRange(mediaServerItem);
-            param.put("port", newPort);
+        // 璁剧疆鎺ㄦ祦绔彛
+        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("鏈壘鍒拌妭鐐箋}涓婅寖鍥碵{}-{}]鐨勭┖闂茬鍙�", 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= openRtpServerResultJson.getInteger("port");
-                    break;
-                case -300: // id宸茬粡瀛樺湪, 鍙兘宸茬粡鍦ㄥ叾浠栫鍙f帹娴�
-                    Map<String, Object> closeRtpServerParam = new HashMap<>();
-                    closeRtpServerParam.put("stream_id", streamId);
-                    zlmresTfulUtils.closeRtpServer(mediaServerItem, closeRtpServerParam);
-                    result = createRTPServer(mediaServerItem, streamId);;
-                    break;
-                case -400: // 绔彛鍗犵敤
-                    result= createRTPServer(mediaServerItem, streamId);
-                    break;
-                default:
-                    logger.error("鍒涘缓RTP Server 澶辫触 {}: " + openRtpServerResultJson.getString("msg"),  param.get("port"));
-                    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 {
+            //  妫�鏌LM鐘舵��
+            logger.error("鍒涘缓RTP Server 澶辫触 {}: 璇锋鏌LM鏈嶅姟", param.get("port"));
+        }
+        return result;
+    }
+
+    public int createRTPServer(MediaServerItem mediaServerItem, String streamId, int ssrc) {
+        int result = -1;
+        // 鏌ヨ姝tp server 鏄惁宸茬粡瀛樺湪
+        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<>();
+        // 鎺ㄦ祦绔彛璁剧疆0鍒欎娇鐢ㄩ殢鏈虹鍙�
+        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("鍒涘缓RTP Server 澶辫触 {}: ", openRtpServerResultJson.getString("msg"));
             }
         }else {
             //  妫�鏌LM鐘舵��
@@ -103,32 +132,32 @@
         return result;
     }
 
-    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;
-        }
-    }
+//    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;
+//        }
+//    }
 
     /**
      * 鍒涘缓涓�涓浗鏍囨帹娴�
@@ -143,13 +172,18 @@
     public SendRtpItem createSendRtpItem(MediaServerItem serverItem, String ip, int port, String ssrc, String platformId, String deviceId, String channelId, boolean tcp){
 
         // 浣跨敤RTPServer 鍔熻兘鎵句竴涓彲鐢ㄧ殑绔彛
-        String playSsrc = serverItem.getSsrcConfig().getPlaySsrc();
-        int localPort = createRTPServer(serverItem, playSsrc);
-        if (localPort != -1) {
-            // TODO 楂樺苟鍙戞椂鍙兘鍥犱负鏈斁鍏ョ紦瀛樿�宻src鍐茬獊
-            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("娌℃湁鍙敤鐨勭鍙�");
             return null;
         }
@@ -178,13 +212,19 @@
      * @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 楂樺苟鍙戞椂鍙兘鍥犱负鏈斁鍏ョ紦瀛樿�宻src鍐茬獊
-            serverItem.getSsrcConfig().releaseSsrc(ssrc);
-            closeRTPServer(serverItem, playSsrc);
+        // 浣跨敤RTPServer 鍔熻兘鎵句竴涓彲鐢ㄧ殑绔彛
+        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("娌℃湁鍙敤鐨勭鍙�");
             return null;
         }
@@ -203,20 +243,20 @@
     }
 
     /**
-     * 璋冪敤zlm RESTful API 鈥斺�� startSendRtp
+     * 璋冪敤zlm RESTFUL API 鈥斺�� 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鎺ㄦ祦澶辫触: 璇锋鏌LM鏈嶅姟");
         } else if (jsonObject.getInteger("code") == 0) {
             result= true;
-            logger.info("RTP鎺ㄦ祦[ {}/{} ]璇锋眰鎴愬姛锛屾湰鍦版帹娴佺鍙o細{}" ,param.get("app"), param.get("stream"), jsonObject.getString("local_port"));
+            logger.info("RTP鎺ㄦ祦鎴愬姛[ {}/{} ]锛寋}->{}:{}, " ,param.get("app"), param.get("stream"), jsonObject.getString("local_port"), param.get("dst_url"), param.get("dst_port"));
         } else {
-            logger.error("RTP鎺ㄦ祦澶辫触: " + jsonObject.getString("msg"));
+            logger.error("RTP鎺ㄦ祦澶辫触: {}, 鍙傛暟锛歿}",jsonObject.getString("msg"),JSONObject.toJSON(param));
         }
-        return result;
+        return jsonObject;
     }
 
     /**
@@ -269,7 +309,7 @@
             result= true;
             logger.info("鍋滄RTP鎺ㄦ祦鎴愬姛");
         } else {
-            logger.error("鍋滄RTP鎺ㄦ祦澶辫触: " + jsonObject.getString("msg"));
+            logger.error("鍋滄RTP鎺ㄦ祦澶辫触: {}, 鍙傛暟锛歿}",jsonObject.getString("msg"),JSONObject.toJSON(param));
         }
         return result;
     }

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