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				@@ -1,13 +1,20 @@ 
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				 package com.genersoft.iot.vmp.media.zlm; 
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				+import com.genersoft.iot.vmp.common.VideoManagerConstants; 
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				 import com.genersoft.iot.vmp.conf.UserSetting; 
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				+import com.genersoft.iot.vmp.gb28181.bean.SendRtpItem; 
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				 import com.genersoft.iot.vmp.media.zlm.dto.MediaSendRtpPortInfo; 
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				+import com.genersoft.iot.vmp.utils.redis.RedisUtil; 
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				 import org.slf4j.Logger; 
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				 import org.slf4j.LoggerFactory; 
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				 import org.springframework.beans.factory.annotation.Autowired; 
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				 import org.springframework.data.redis.core.RedisTemplate; 
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				 import org.springframework.stereotype.Component; 
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				+import java.util.HashMap; 
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				+import java.util.List; 
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				+import java.util.Map; 
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				+ 
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				 @Component 
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				 public class SendRtpPortManager { 
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				@@ -29,27 +36,55 @@ public class SendRtpPortManager { 
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				     } 
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				     public int getNextPort(String mediaServerId) { 
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				-        String key = KEY + userSetting.getServerId() + "_" +  mediaServerId; 
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				-        MediaSendRtpPortInfo mediaSendRtpPortInfo = (MediaSendRtpPortInfo)redisTemplate.opsForValue().get(key); 
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				+        String sendIndexKey = KEY + userSetting.getServerId() + "_" +  mediaServerId; 
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				+        MediaSendRtpPortInfo mediaSendRtpPortInfo = (MediaSendRtpPortInfo)redisTemplate.opsForValue().get(sendIndexKey); 
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				         if (mediaSendRtpPortInfo == null) { 
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				             logger.warn("[发送端口管理] 获取{}的发送端口时未找到端口信息", mediaServerId); 
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				             return 0; 
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				         } 
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				+ 
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				+        String key = VideoManagerConstants.PLATFORM_SEND_RTP_INFO_PREFIX 
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				+                + userSetting.getServerId() + "_*"; 
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				+        List<Object> queryResult = RedisUtil.scan(redisTemplate, key); 
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				+        Map<Integer, SendRtpItem> sendRtpItemMap = new HashMap<>(); 
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				+ 
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				+        for (Object o : queryResult) { 
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				+            SendRtpItem sendRtpItem = (SendRtpItem) redisTemplate.opsForValue().get(o); 
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				+            if (sendRtpItem != null) { 
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				+                sendRtpItemMap.put(sendRtpItem.getLocalPort(), sendRtpItem); 
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				+            } 
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				+        } 
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				+ 
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				+        int port = getPort(mediaSendRtpPortInfo.getCurrent(), 
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				+                mediaSendRtpPortInfo.getStart(), 
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				+                mediaSendRtpPortInfo.getEnd(), checkPort -> sendRtpItemMap.get(checkPort) == null); 
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				+ 
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				+        mediaSendRtpPortInfo.setCurrent(port); 
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				+        redisTemplate.opsForValue().set(sendIndexKey, mediaSendRtpPortInfo); 
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				+        return port; 
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				+    } 
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				+ 
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				+    interface CheckPortCallback{ 
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				+        boolean check(int port); 
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				+    } 
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				+ 
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				+    private int getPort(int current, int start, int end, CheckPortCallback checkPortCallback) { 
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				         int port; 
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				-        if (mediaSendRtpPortInfo.getCurrent() %2 != 0) { 
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				-            port = mediaSendRtpPortInfo.getCurrent() + 1; 
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				+        if (current %2 != 0) { 
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				+            port = current + 1; 
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				         }else { 
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				-            port = mediaSendRtpPortInfo.getCurrent() + 2; 
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				+            port = current + 2; 
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				         } 
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				-        if (port > mediaSendRtpPortInfo.getEnd()) { 
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				-            if (mediaSendRtpPortInfo.getStart() %2 != 0) { 
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				-                port = mediaSendRtpPortInfo.getStart() + 1; 
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				+        if (port > end) { 
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				+            if (start %2 != 0) { 
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				+                port = start + 1; 
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				             }else { 
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				-                port = mediaSendRtpPortInfo.getStart(); 
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				+                port = start; 
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				             } 
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				         } 
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				-        mediaSendRtpPortInfo.setCurrent(port); 
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				-        redisTemplate.opsForValue().set(key, mediaSendRtpPortInfo); 
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				+        if (!checkPortCallback.check(port)) { 
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				+            return getPort(port, start, end, checkPortCallback); 
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				+        } 
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				         return port; 
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				     } 
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				 } 
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