v2.2.5

兼容2011版本和2011补充版本的上传车辆注册信息

.github/workflows/dotnetcore.yml

@@ -12,7 +12,7 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@master
       with:
-        dotnet-version: 8.0.100
+        dotnet-version: 8.0.300
     - name: dotnet info
       run: dotnet --info
     - name: dotnet restore

global.json

@@ -1,5 +1,5 @@
 {
   "sdk": {
-    "version": "8.0.100"
+    "version": "8.0.300"
   }
 }

src/Info.props

@@ -8,7 +8,7 @@
 		<PackageProjectUrl>https://github.com/SmallChi/JT809</PackageProjectUrl>
 		<license>https://github.com/SmallChi/JT809/blob/master/LICENSE</license>
 		<licenseUrl>https://github.com/SmallChi/JT809/blob/master/LICENSE</licenseUrl>
-		<Version>2.2.4</Version>
+		<Version>2.2.5</Version>
 		<PackageLicenseFile>LICENSE</PackageLicenseFile>
 		<PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
 		<AnalysisLevel>latest</AnalysisLevel>

src/JT809.Protocol.Benchmark/JT809.Protocol.Benchmark.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="BenchmarkDotNet" Version="0.13.10" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.13.12" />
   </ItemGroup>
 
   <ItemGroup>

src/JT809.Protocol.Test/JT809.Protocol.Test.csproj

@@ -11,11 +11,11 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="JT808" Version="2.6.4" />
+    <PackageReference Include="JT808" Version="2.6.5" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="xunit" Version="2.6.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
+    <PackageReference Include="xunit" Version="2.8.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>

src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x1201Test.cs

@@ -46,6 +46,20 @@ namespace JT809.Protocol.Test.JT809SubMessageBody
             Assert.Equal("222222222222", jT809_0X1200_0X1201.TerminalSimCode);
         }
 
+        [Fact]
+        public void Test3()
+        {
+            var data = "5b00000067000000611200000003f30100000000036871bea948454e333137000000000000000000000000000412010000003100000000000000313031310000000000003730313131000000000000000000000000000000313230323939353533353735327d5d".ToHexBytes();
+            var json = JT809Serializer.Analyze(data);
+        }
+
+        [Fact]
+        public void Test4()
+        {
+            var data = "31313131313131313131003131313131313131313100313131313131313100000000000000000000000031313131314141323232323232323232323232".ToHexBytes();
+            var json = JT809Serializer.Analyze<JT809_0x1200_0x1201>(data);
+        }
+
         [Fact]
         public void Test_2019_1()
         {

src/JT809.Protocol/JT809.Protocol.xml

@@ -1844,6 +1844,13 @@
             </summary>
             <returns></returns>
         </member>
+        <member name="M:JT809.Protocol.MessagePack.JT809MessagePackReader.ReadVirtualUInt32(System.Int32)">
+            <summary>
+            使用场景:在不改变现有的结构的情况下进行补救,主要用于获取父类的解析长度在子类获取不到  骚操作
+            </summary>
+            <param name="backwordOffset">回退偏移量</param>
+            <returns></returns>
+        </member>
         <member name="M:JT809.Protocol.MessagePack.JT809MessagePackReader.ReadBigNumber(System.Int32)">
             <summary>
             数字编码 大端模式、高位在前
@@ -2167,6 +2174,14 @@
         <member name="P:JT809.Protocol.SubMessageBody.JT809_0x1200_0x1201.TerminalModelType">
             <summary>
             车载终端型号，不是 8 位时以“\0”终结
+            自己外部扩展是2011还是2011的补充
+            2011版本是8位
+            2011补充版本是20位
+            </summary>
+        </member>
+        <member name="P:JT809.Protocol.SubMessageBody.JT809_0x1200_0x1201.TerminalModelLength">
+            <summary>
+            默认为2011补充版本
             </summary>
         </member>
         <member name="P:JT809.Protocol.SubMessageBody.JT809_0x1200_0x1201.IMIEId">

src/JT809.Protocol/MessagePack/JT809MessagePackReader.cs

@@ -262,6 +262,16 @@ namespace JT809.Protocol.MessagePack
         {
             return BinaryPrimitives.ReadUInt32BigEndian(GetVirtualReadOnlySpan(4));
         }
+        /// <summary>
+        /// 使用场景:在不改变现有的结构的情况下进行补救,主要用于获取父类的解析长度在子类获取不到  骚操作
+        /// </summary>
+        /// <param name="backwordOffset">回退偏移量</param>
+        /// <returns></returns>
+        public uint ReadVirtualUInt32(int backwordOffset)
+        {
+            return BinaryPrimitives.ReadUInt32BigEndian(GetVirtualReadOnlySpan(backwordOffset,4));
+        }
+
         public int ReadVirtualInt32()
         {
             return BinaryPrimitives.ReadInt32BigEndian(GetVirtualReadOnlySpan(4));
@@ -419,6 +429,15 @@ namespace JT809.Protocol.MessagePack
         {
             return Reader.Slice(ReaderCount, count);
         }
+        public ReadOnlySpan<byte> GetVirtualReadOnlySpan(int backwordOffset,int count)
+        {
+            if(ReaderCount - backwordOffset < 0)
+            {
+                //处理直接子类导致溢出
+                return Reader.Slice(ReaderCount, count);
+            }
+            return Reader.Slice(ReaderCount - backwordOffset, count);
+        }
         public ReadOnlySpan<byte> ReadContent(int count=0)
         {
             if (_decoded)

src/JT809.Protocol/SubMessageBody/JT809_0x1200_0x1201.cs

@@ -29,8 +29,16 @@ namespace JT809.Protocol.SubMessageBody
         public string ProducerId { get; set; }
         /// <summary>
         /// 车载终端型号，不是 8 位时以“\0”终结
+        /// 自己外部扩展是2011还是2011的补充
+        /// 2011版本是8位
+        /// 2011补充版本是20位
         /// </summary>
         public string TerminalModelType { get; set; }
+        /// <summary>
+        /// 默认为2011补充版本
+        /// </summary>
+        public int TerminalModelLength { get; set; } = 20;
+
         /// <summary>
         /// 车载终端通讯模块IMEI码
         /// 2019版本
@@ -50,15 +58,33 @@ namespace JT809.Protocol.SubMessageBody
             JT809_0x1200_0x1201 value = new JT809_0x1200_0x1201();            
             if (config.Version == JT809Version.JTT2011)
             {
+                var dataLength = reader.ReadVirtualUInt32(4);
+                if (dataLength == 49)
+                {
+                    writer.WriteString($"[使用2011版本]", "2011-8版本");
+                }
+                else
+                {
+                    writer.WriteString($"[使用2011补充版本]", "2011-20版本");
+                }
                 var virtualHex = reader.ReadVirtualArray(11);
                 value.PlateformId = reader.ReadString(11);
                 writer.WriteString($"[{virtualHex.ToArray().ToHexString()}]平台唯一编码", value.PlateformId);
                 virtualHex = reader.ReadVirtualArray(11);
                 value.ProducerId = reader.ReadString(11);
                 writer.WriteString($"[{virtualHex.ToArray().ToHexString()}]车载终端厂商唯一编码", value.ProducerId);
-                virtualHex = reader.ReadVirtualArray(20);
-                value.TerminalModelType = reader.ReadString(20);
-                writer.WriteString($"[{virtualHex.ToArray().ToHexString()}]车载终端型号", value.TerminalModelType);
+                if (dataLength == 49)
+                {
+                    virtualHex = reader.ReadVirtualArray(8);
+                    value.TerminalModelType = reader.ReadString(8);
+                    writer.WriteString($"[{virtualHex.ToArray().ToHexString()}]车载终端型号", value.TerminalModelType);
+                }
+                else
+                {
+                    virtualHex = reader.ReadVirtualArray(20);
+                    value.TerminalModelType = reader.ReadString(20);
+                    writer.WriteString($"[{virtualHex.ToArray().ToHexString()}]车载终端型号", value.TerminalModelType);
+                }
                 virtualHex = reader.ReadVirtualArray(7);
                 value.TerminalId = reader.ReadString(7);
                 value.TerminalId = value.TerminalId.ToUpper();
@@ -96,9 +122,17 @@ namespace JT809.Protocol.SubMessageBody
             JT809_0x1200_0x1201 value = new JT809_0x1200_0x1201();
             if(config.Version== JT809Version.JTT2011)
             {
+                var dataLength = reader.ReadVirtualUInt32(4);
                 value.PlateformId = reader.ReadString(11);
                 value.ProducerId = reader.ReadString(11);
-                value.TerminalModelType = reader.ReadString(20);
+                if (dataLength == 49)
+                {
+                    value.TerminalModelType = reader.ReadString(8);
+                }
+                else
+                {
+                    value.TerminalModelType = reader.ReadString(20);
+                }
                 value.TerminalId = reader.ReadString(7);
                 value.TerminalId = value.TerminalId.ToUpper();
                 value.TerminalSimCode = reader.ReadString(12);
@@ -122,7 +156,7 @@ namespace JT809.Protocol.SubMessageBody
             {
                 writer.WriteStringPadRight(value.PlateformId, 11);
                 writer.WriteStringPadRight(value.ProducerId, 11);
-                writer.WriteStringPadRight(value.TerminalModelType, 20);
+                writer.WriteStringPadRight(value.TerminalModelType, TerminalModelLength);
                 writer.WriteStringPadRight(value.TerminalId.ToUpper(), 7);
                 writer.WriteStringPadLeft(value.TerminalSimCode, 12);
             }