CRC校验

Dianci/Dianci.cs

@@ -202,6 +202,8 @@ internal class MagnetServer
     /// <param name="clientSocket"></param>
     private static void ReceiveMsg(Socket clientSocket)
     {
+        StringBuilder builder_shuju = new StringBuilder("");//需校验字节
+        StringBuilder builder_crc = new StringBuilder("");//收到检验位
         while (true)
         {
             byte[] bytes = new byte[1024];
@@ -229,7 +231,27 @@ internal class MagnetServer
             {
                 //string message = Encoding.Default.GetString(bytes, 0, length);
                 string message = ToolKit.byteArrayToHexString(bytes, length);
-                log.Info("接收到" + clientSocket.RemoteEndPoint + ":   " + message);
+
+                //CRC校验--失败返回不解析
+                builder_shuju.Clear();
+                builder_crc.Clear();
+                for (int i = 0; i < message.Length - 4; i++)
+                {
+                    builder_shuju.Append(message[i]);
+                }
+                for (int i = message.Length - 4; i < message.Length; i++)
+                {
+                    builder_crc.Append(message[i]);
+                }
+                if (CRC.CRCForModbus(builder_shuju.ToString().ToUpper()) != builder_crc.ToString().ToUpper())
+                {
+                    log.Info("接收数据校验失败: " + clientSocket.RemoteEndPoint + ": " + message);
+                    Console.WriteLine("接收数据校验失败: " + clientSocket.RemoteEndPoint + ": " + message);
+                    return;
+                }
+
+                //执行解析
+                log.Info("接收到" + clientSocket.RemoteEndPoint + ": " + message);
                 message = message.Replace(" ", "");
                 JudgmentFunction(message);
             }

Dianci/bin/Debug/App_Data/Logs_20230222.txt

@@ -0,0 +1,4 @@
+ ------------------------------------------------
+ ------------------------------------------------
+ ------------------------------------------------
+2023-02-22 14:08:20,199 [4] INFO  loginfo - 接收数据校验失败; 172.16.1.49:52873:   01 03 04 00 08 95 91 D1 0D

Dianci/obj/Debug/Dianci.csproj.CoreCompileInputs.cache

@@ -1 +1 @@
-f65eb3423fba3e60e41a46bfb0af0337b8d3322f
+898be911263aa5e48f96ba6f764bf3ee4a35a632

Dianci/obj/Debug/Dianci.csproj.FileListAbsolute.txt

@@ -9,3 +9,14 @@ D:\GaoGuoZheng_U3D\C#\Dianci\obj\Debug\ceshi.pdb
 D:\GaoGuoZheng_U3D\C#\Dianci\bin\Debug\log4net.dll
 D:\GaoGuoZheng_U3D\C#\Dianci\bin\Debug\log4net.xml
 D:\GaoGuoZheng_U3D\C#\Dianci\obj\Debug\Dianci.csproj.CopyComplete
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\bin\Debug\ceshi.exe.config
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\bin\Debug\ceshi.exe
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\bin\Debug\ceshi.pdb
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\bin\Debug\log4net.dll
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\bin\Debug\log4net.xml
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\obj\Debug\Dianci.csproj.AssemblyReference.cache
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\obj\Debug\Dianci.csproj.SuggestedBindingRedirects.cache
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\obj\Debug\Dianci.csproj.CoreCompileInputs.cache
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\obj\Debug\Dianci.csproj.CopyComplete
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\obj\Debug\ceshi.exe
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\obj\Debug\ceshi.pdb

Dianci/obj/Release/Dianci.csproj.CoreCompileInputs.cache

@@ -1 +1 @@
-2c30b29a00d23c23fe7971b86deffc378110adf1
+73dddfdf5ddec9ab02df30c1163cfbf98d3b50f4

Dianci/obj/Release/Dianci.csproj.FileListAbsolute.txt

@@ -9,3 +9,14 @@ D:\GaoGuoZheng_U3D\C#\Dianci\obj\Release\ceshi.pdb
 D:\GaoGuoZheng_U3D\C#\Dianci\bin\Release\log4net.dll
 D:\GaoGuoZheng_U3D\C#\Dianci\bin\Release\log4net.xml
 D:\GaoGuoZheng_U3D\C#\Dianci\obj\Release\Dianci.csproj.CopyComplete
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\bin\Release\ceshi.exe.config
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\bin\Release\ceshi.exe
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\bin\Release\ceshi.pdb
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\bin\Release\log4net.dll
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\bin\Release\log4net.xml
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\obj\Release\Dianci.csproj.AssemblyReference.cache
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\obj\Release\Dianci.csproj.SuggestedBindingRedirects.cache
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\obj\Release\Dianci.csproj.CoreCompileInputs.cache
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\obj\Release\Dianci.csproj.CopyComplete
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\obj\Release\ceshi.exe
+D:\GaoGuoZheng_U3D\C#\nenglaingbiao\Dianci\obj\Release\ceshi.pdb