From 42a2772d1aa7493bcc4fac3e24ee8eda4eebc23d Mon Sep 17 00:00:00 2001
From: xubinbin <1323875150@qq.com>
Date: 星期二, 12 十二月 2023 17:09:04 +0800
Subject: [PATCH] bugfix:请求头带token, SecurityUtils 获取用户id 一直为0 #1195

---
 src/main/java/com/genersoft/iot/vmp/media/zlm/SendRtpPortManager.java |  138 ++++++++++++++++++++++++++++++++++++---------
 1 files changed, 109 insertions(+), 29 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/media/zlm/SendRtpPortManager.java b/src/main/java/com/genersoft/iot/vmp/media/zlm/SendRtpPortManager.java
old mode 100644
new mode 100755
index 8366a4a..3f28d02
--- a/src/main/java/com/genersoft/iot/vmp/media/zlm/SendRtpPortManager.java
+++ b/src/main/java/com/genersoft/iot/vmp/media/zlm/SendRtpPortManager.java
@@ -1,12 +1,21 @@
 package com.genersoft.iot.vmp.media.zlm;
 
+import com.genersoft.iot.vmp.common.VideoManagerConstants;
 import com.genersoft.iot.vmp.conf.UserSetting;
-import com.genersoft.iot.vmp.media.zlm.dto.MediaSendRtpPortInfo;
+import com.genersoft.iot.vmp.gb28181.bean.SendRtpItem;
+import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
+import com.genersoft.iot.vmp.utils.redis.RedisUtil;
+import org.apache.commons.lang3.math.NumberUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.support.atomic.RedisAtomicInteger;
 import org.springframework.stereotype.Component;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 @Component
 public class SendRtpPortManager {
@@ -19,37 +28,108 @@
     @Autowired
     private RedisTemplate<Object, Object> redisTemplate;
 
-    private final String KEY = "VM_MEDIA_SEND_RTP_PORT_RANGE_";
+    private final String KEY = "VM_MEDIA_SEND_RTP_PORT_";
 
-
-    public void initServerPort(String mediaServerId, int startPort, int endPort){
-        String key = KEY + userSetting.getServerId() + "_" +  mediaServerId;
-        MediaSendRtpPortInfo mediaSendRtpPortInfo = new MediaSendRtpPortInfo(startPort, endPort, mediaServerId);
-        redisTemplate.opsForValue().set(key, mediaSendRtpPortInfo);
-    }
-
-    public int getNextPort(String mediaServerId) {
-        String key = KEY + userSetting.getServerId() + "_" +  mediaServerId;
-        MediaSendRtpPortInfo mediaSendRtpPortInfo = (MediaSendRtpPortInfo)redisTemplate.opsForValue().get(key);
-        if (mediaSendRtpPortInfo == null) {
-            logger.warn("[鍙戦�佺鍙g鐞哴 鑾峰彇{}鐨勫彂閫佺鍙f椂鏈壘鍒扮鍙d俊鎭�", mediaSendRtpPortInfo);
-            return 0;
+    public synchronized int getNextPort(MediaServerItem mediaServer) {
+        if (mediaServer == null) {
+            logger.warn("[鍙戦�佺鍙g鐞哴 鍙傛暟閿欒锛宮ediaServer涓篘ULL");
+            return -1;
         }
-        int port;
-        if (mediaSendRtpPortInfo.getCurrent() %2 != 0) {
-            port = mediaSendRtpPortInfo.getCurrent() + 1;
-        }else {
-            port = mediaSendRtpPortInfo.getCurrent() + 2;
-        }
-        if (port > mediaSendRtpPortInfo.getEnd()) {
-            if (mediaSendRtpPortInfo.getStart() %2 != 0) {
-                port = mediaSendRtpPortInfo.getStart() + 1;
-            }else {
-                port = mediaSendRtpPortInfo.getStart();
+        String sendIndexKey = KEY + userSetting.getServerId() + "_" +  mediaServer.getId();
+        String key = VideoManagerConstants.PLATFORM_SEND_RTP_INFO_PREFIX
+                + userSetting.getServerId() + "_*";
+        List<Object> queryResult = RedisUtil.scan(redisTemplate, key);
+        Map<Integer, SendRtpItem> sendRtpItemMap = new HashMap<>();
+
+        for (Object o : queryResult) {
+            SendRtpItem sendRtpItem = (SendRtpItem) redisTemplate.opsForValue().get(o);
+            if (sendRtpItem != null) {
+                sendRtpItemMap.put(sendRtpItem.getLocalPort(), sendRtpItem);
             }
         }
-        mediaSendRtpPortInfo.setCurrent(port);
-        redisTemplate.opsForValue().set(key, mediaSendRtpPortInfo);
-        return port;
+        String sendRtpPortRange = mediaServer.getSendRtpPortRange();
+        int startPort;
+        int endPort;
+        if (sendRtpPortRange != null) {
+            String[] portArray = sendRtpPortRange.split(",");
+            if (portArray.length != 2 || !NumberUtils.isParsable(portArray[0]) || !NumberUtils.isParsable(portArray[1])) {
+                logger.warn("{}鍙戦�佺鍙i厤缃牸寮忛敊璇紝鑷姩浣跨敤50000-60000浣滀负绔彛鑼冨洿", mediaServer.getId());
+                startPort = 50000;
+                endPort = 60000;
+            }else {
+                if ( Integer.parseInt(portArray[1]) - Integer.parseInt(portArray[0]) < 1) {
+                    logger.warn("{}鍙戦�佺鍙i厤缃敊璇�,缁撴潫绔彛鑷冲皯姣斿紑濮嬬鍙eぇ涓�锛岃嚜鍔ㄤ娇鐢�50000-60000浣滀负绔彛鑼冨洿", mediaServer.getId());
+                    startPort = 50000;
+                    endPort = 60000;
+                }else {
+                    startPort = Integer.parseInt(portArray[0]);
+                    endPort = Integer.parseInt(portArray[1]);
+                }
+            }
+        }else {
+            logger.warn("{}鏈缃彂閫佺鍙i粯璁ゅ�硷紝鑷姩浣跨敤50000-60000浣滀负绔彛鑼冨洿", mediaServer.getId());
+            startPort = 50000;
+            endPort = 60000;
+        }
+        if (redisTemplate == null || redisTemplate.getConnectionFactory() == null) {
+            logger.warn("{}鑾峰彇redis杩炴帴淇℃伅澶辫触", mediaServer.getId());
+            return -1;
+        }
+//        RedisAtomicInteger redisAtomicInteger = new RedisAtomicInteger(sendIndexKey , redisTemplate.getConnectionFactory());
+//        return redisAtomicInteger.getAndUpdate((current)->{
+//            return getPort(current, startPort, endPort, checkPort-> !sendRtpItemMap.containsKey(checkPort));
+//        });
+        return getSendPort(startPort, endPort, sendIndexKey, sendRtpItemMap);
+    }
+
+    private synchronized int getSendPort(int startPort, int endPort, String sendIndexKey, Map<Integer, SendRtpItem> sendRtpItemMap){
+        RedisAtomicInteger redisAtomicInteger = new RedisAtomicInteger(sendIndexKey , redisTemplate.getConnectionFactory());
+        if (redisAtomicInteger.get() < startPort) {
+            redisAtomicInteger.set(startPort);
+            return startPort;
+        }else {
+            int port = redisAtomicInteger.getAndIncrement();
+            if (port > endPort) {
+                redisAtomicInteger.set(startPort);
+                if (sendRtpItemMap.containsKey(startPort)) {
+                    return getSendPort(startPort, endPort, sendIndexKey, sendRtpItemMap);
+                }else {
+                    return startPort;
+                }
+            }
+            if (sendRtpItemMap.containsKey(port)) {
+                return getSendPort(startPort, endPort, sendIndexKey, sendRtpItemMap);
+            }else {
+                return port;
+            }
+        }
+
+    }
+
+    interface CheckPortCallback{
+        boolean check(int port);
+    }
+
+    private int getPort(int current, int start, int end, CheckPortCallback checkPortCallback) {
+        if (current <= 0) {
+            if (start%2 == 0) {
+                current = start;
+            }else {
+                current = start + 1;
+            }
+        }else {
+            current += 2;
+            if (current > end) {
+                if (start%2 == 0) {
+                    current = start;
+                }else {
+                    current = start + 1;
+                }
+            }
+        }
+        if (!checkPortCallback.check(current)) {
+            return getPort(current + 2, start, end, checkPortCallback);
+        }
+        return current;
     }
 }

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