From db8971302a848875e50acfb7c2a5403461567efc Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期三, 22 二月 2023 15:53:33 +0800
Subject: [PATCH] 完善支持语音级联

---
 src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java |   30 ++++++++++++++++++++++++------
 1 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java b/src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java
index 56fdb5b..45c5a90 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java
@@ -13,7 +13,6 @@
 import javax.sip.header.FromHeader;
 import javax.sip.header.Header;
 import javax.sip.header.UserAgentHeader;
-import javax.sip.header.ViaHeader;
 import javax.sip.message.Request;
 import java.text.ParseException;
 import java.util.ArrayList;
@@ -122,6 +121,26 @@
         return builder.toString();
     }
 
+    public static String getNewCallId() {
+        return (int) Math.floor(Math.random() * 10000) + "";
+    }
+
+    public static int getTypeCodeFromGbCode(String deviceId) {
+        if (ObjectUtils.isEmpty(deviceId)) {
+            return 0;
+        }
+        return Integer.parseInt(deviceId.substring(10, 13));
+    }
+
+    /**
+     * 鍒ゆ柇鏄惁鏄墠绔鍥磋澶�
+     * @param deviceId
+     * @return
+     */
+    public static boolean isFrontEnd(String deviceId) {
+        int typeCodeFromGbCode = getTypeCodeFromGbCode(deviceId);
+        return typeCodeFromGbCode > 130 && typeCodeFromGbCode < 199;
+    }
     /**
      * 浠庤姹備腑鑾峰彇璁惧ip鍦板潃鍜岀鍙e彿
      * @param request 璇锋眰
@@ -138,13 +157,12 @@
         }else {
             // 鍒ゆ柇RPort鏄惁鏀瑰彉锛屾敼鍙樺垯璇存槑璺敱nat淇℃伅鍙樺寲锛屼慨鏀硅澶囦俊鎭�
             // 鑾峰彇鍒伴�氫俊鍦板潃绛変俊鎭�
-            ViaHeader viaHeader = (ViaHeader) request.getHeader(ViaHeader.NAME);
-            remoteAddress = viaHeader.getReceived();
-            remotePort = viaHeader.getRPort();
+            remoteAddress = request.getTopmostViaHeader().getReceived();
+            remotePort = request.getTopmostViaHeader().getRPort();
             // 瑙f瀽鏈湴鍦板潃鏇夸唬
             if (ObjectUtils.isEmpty(remoteAddress) || remotePort == -1) {
-                remoteAddress = viaHeader.getHost();
-                remotePort = viaHeader.getPort();
+                remoteAddress = request.getTopmostViaHeader().getHost();
+                remotePort = request.getTopmostViaHeader().getPort();
             }
         }
 

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