change udpData type from list to queue

.justfile

@@ -13,4 +13,4 @@ run-server: _show-dir
   
 [working-directory: "server.test"]
 test-server: _show-dir
-  dotnet test
+  dotnet test --logger "console;verbosity=detailed"

server.test/UDPServerTest.cs

@@ -1,27 +1,47 @@
 using System.Net;
-using System.Reflection;
 using System.Text;
-using Xunit.Sdk;
+using Common;
+using Xunit.Abstractions;
 
 namespace server.test;
 
-[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
+public sealed class RepeatAttribute : Xunit.Sdk.DataAttribute
-public class UDPServerTest : BeforeAfterTestAttribute
 {
-    const string address = "127.0.0.1";
+    private readonly int count;
-    const int port = 1234;
-    private static readonly UDPServer udpServer = new UDPServer(port);
 
-    public override void Before(MethodInfo methodUnderTest)
+    public RepeatAttribute(int count)
     {
-        udpServer.Start();
+        if (count < 1)
-        Console.WriteLine("Start UDP Server");
+        {
+            throw new System.ArgumentOutOfRangeException(
+                paramName: nameof(count),
+                message: "Repeat count must be greater than 0."
+                );
+        }
+        this.count = count;
     }
 
-    public override void After(MethodInfo methodUnderTest)
+    public override System.Collections.Generic.IEnumerable<object[]> GetData(System.Reflection.MethodInfo testMethod)
     {
-        udpServer.Stop();
+        foreach (var iterationNumber in Enumerable.Range(start: 1, count: this.count))
-        Console.WriteLine("Stop UDP Server");
+        {
+            yield return new object[] { iterationNumber };
+        }
+    }
+}
+
+public class UDPServerTest
+{
+    const string address = "127.0.0.1";
+    const int port = 33000;
+    private static readonly UDPServer udpServer = new UDPServer(port);
+
+    private readonly ITestOutputHelper output;
+
+    public UDPServerTest(ITestOutputHelper output)
+    {
+        this.output = output;
+        udpServer.Start();
     }
 
     [Fact]
@@ -46,9 +66,15 @@ public class UDPServerTest : BeforeAfterTestAttribute
         udpData.DateTime = DateTime.Now;
         udpData.Address = "192.168.1.1";
         udpData.Port = 33000;
-        udpData.Data = new byte[] { 0x0f, 00, 00, 00 };
+        udpData.Data = new byte[] { 0xFF, 00, 00, 00 };
         udpData.HasRead = true;
 
+        Assert.NotNull(cloneUdpData.DateTime);
+        Assert.NotNull(cloneUdpData.Address);
+        Assert.NotNull(cloneUdpData.Port);
+        Assert.NotNull(cloneUdpData.Data);
+        Assert.NotNull(cloneUdpData.HasRead);
+
         Assert.NotEqual(udpData.DateTime, cloneUdpData.DateTime);
         Assert.NotEqual(udpData.Address, cloneUdpData.Address);
         Assert.NotEqual(udpData.Port, cloneUdpData.Port);
@@ -57,33 +83,80 @@ public class UDPServerTest : BeforeAfterTestAttribute
     }
 
     [Theory]
-    [InlineData("Hello World!")]
+    [InlineData(new object[] { new string[] { "Hello World!", "Hello Server!", "What is your problem?" } })]
-    [InlineData("Hello Server!")]
+    public async Task UDPServerFindString(string[] textArray)
-    public async Task UDPServerFind(string text)
     {
+        Assert.True(udpServer.IsRunning);
+
         var serverEP = new IPEndPoint(IPAddress.Parse(address), port);
 
-
+        foreach (var text in textArray)
-
-        Assert.True(UDPClientPool.SendString(serverEP, [text]));
-        {
-            var ret = udpServer.FindData(address);
-            Assert.True(ret.HasValue);
-            var data = ret.Value;
-            Assert.Equal(data.Address, address);
-            Assert.Equal(data.Port, port);
-            Assert.Equal(Encoding.ASCII.GetString(data.Data), text);
-        }
-
-
-        Assert.True(await UDPClientPool.SendStringAsync(serverEP, [text]));
         {
+            Assert.True(await UDPClientPool.SendStringAsync(serverEP, [text]));
             var ret = await udpServer.FindDataAsync(address);
             Assert.True(ret.HasValue);
             var data = ret.Value;
-            Assert.Equal(data.Address, address);
+            Assert.Equal(address, data.Address);
-            Assert.Equal(data.Port, port);
+            Assert.Equal(text, Encoding.ASCII.GetString(data.Data));
-            Assert.Equal(Encoding.ASCII.GetString(data.Data), text);
+        }
+    }
+
+    [Theory]
+    [InlineData(new object[] { new UInt32[] { 0xF0_00_00_00, 0xFF_00_00_00, 0xFF_FF_FF_FF } })]
+    public async Task UDPServerFindBytes(UInt32[] bytesArray)
+    {
+        Assert.True(udpServer.IsRunning);
+
+        var serverEP = new IPEndPoint(IPAddress.Parse(address), port);
+
+        foreach (var number in bytesArray)
+        {
+            Assert.True(await UDPClientPool.SendBytesAsync(serverEP, NumberProcessor.NumberToBytes(number, 4).Value));
+            var ret = await udpServer.FindDataAsync(address);
+            Assert.True(ret.HasValue);
+            var data = ret.Value;
+            Assert.Equal(address, data.Address);
+            Assert.Equal(number, NumberProcessor.BytesToNumber(data.Data));
+        }
+    }
+
+    [Theory]
+    [InlineData(new object[] { new UInt32[] { 0xF0_00_00_00, 0xF0_01_00_00 } })]
+    public async Task UDPServerWaitResp(UInt32[] bytesArray)
+    {
+        Assert.True(udpServer.IsRunning);
+
+        var serverEP = new IPEndPoint(IPAddress.Parse(address), port);
+
+        foreach (var number in bytesArray)
+        {
+            Assert.True(await UDPClientPool.SendBytesAsync(serverEP, NumberProcessor.NumberToBytes(number, 4).Value));
+
+            var ret = await udpServer.WaitForAckAsync(address);
+            Assert.True(ret.IsSuccessful);
+            var data = ret.Value;
+            Assert.True(data.IsSuccessful);
+            Assert.Equal(number, NumberProcessor.BytesToNumber(data.ToBytes()));
+        }
+    }
+
+    [Theory]
+    [InlineData(new object[] { new UInt64[] { 0x0F_00_00_00_01_02_02_02, 0x0F_01_00_00_FF_FF_FF_FF } })]
+    public async Task UDPServerWaitData(UInt64[] bytesArray)
+    {
+        Assert.True(udpServer.IsRunning);
+
+        var serverEP = new IPEndPoint(IPAddress.Parse(address), port);
+
+        foreach (var number in bytesArray)
+        {
+            Assert.True(await UDPClientPool.SendBytesAsync(serverEP, NumberProcessor.NumberToBytes(number, 8).Value));
+
+            var ret = await udpServer.WaitForDataAsync(address);
+            Assert.True(ret.IsSuccessful);
+            var data = ret.Value;
+            Assert.True(data.IsSuccessful);
+            Assert.Equal(number, NumberProcessor.BytesToNumber(data.ToBytes()));
         }
     }
 }

server.test/server.test.csproj

@@ -22,5 +22,9 @@
   <ItemGroup>
     <ProjectReference Include="..\server\server.csproj" />
   </ItemGroup>
+  
+  <ItemGroup>
+  <Content Include="xunit.runner.json" CopyToOutputDirectory="PreserveNewest" />
+  </ItemGroup>
 
 </Project>

server.test/xunit.runner.json

@@ -0,0 +1,3 @@
+{
+  "showLiveOutput": true
+}

server/src/Common.cs

@@ -2,7 +2,7 @@ using DotNext;
 
 namespace Common
 {
-    class NumberProcessor
+    public class NumberProcessor
     {
         public static Result<byte[]> NumberToBytes(ulong num, uint length, bool isRightHigh = false)
         {

server/src/UdpServer.cs

@@ -68,11 +68,17 @@ public class UDPServer
 {
     private static NLog.Logger logger = NLog.LogManager.GetCurrentClassLogger();
 
+    private static Dictionary<string, Queue<UDPData>> udpData = new Dictionary<string, Queue<UDPData>>();
+
     private int listenPort;
     private UdpClient listener;
     private IPEndPoint groupEP;
-    private Dictionary<string, List<UDPData>> udpData = new Dictionary<string, List<UDPData>>();
+
-    private AsyncReaderWriterLock udpDataLock = new AsyncReaderWriterLock(1);
+    private bool isRunning = false;
+    /// <summary>
+    /// 是否正在工作
+    /// </summary>
+    public bool IsRunning { get { return isRunning; } }
 
     /// <summary>
     /// Construct a udp server with fixed port
@@ -98,55 +104,6 @@ public class UDPServer
         }
     }
 
-    /// <summary>
-    /// Find UDP Receive Data According to ip address
-    /// </summary>
-    /// <param name="ipAddr"> IP Address</param>
-    /// <param name="timeout"> Read and Write Wait for Milliseconds </param>
-    /// <param name="callerName">调用函数名称</param>
-    /// <param name="callerLineNum">调用函数位置</param>
-    /// <returns>UDP Data</returns>
-    public Optional<UDPData> FindData(
-         string ipAddr, int timeout = 1000,
-         [CallerMemberName] string callerName = "",
-         [CallerLineNumber] int callerLineNum = 0)
-    {
-        UDPData? data = null;
-
-        logger.Debug($"Caller \"{callerName}|{callerLineNum}\": Try to find {ipAddr} UDP Data");
-
-        var startTime = DateTime.Now;
-        var isTimeout = false;
-        var timeleft = TimeSpan.FromMilliseconds(timeout);
-        while (!isTimeout)
-        {
-
-            using (udpDataLock.AcquireWriteLock(timeleft))
-            {
-                if (udpData.ContainsKey(ipAddr) && udpData[ipAddr].Count > 0)
-                {
-                    data = udpData[ipAddr][0].DeepClone();
-                    udpData[ipAddr].RemoveAt(0);
-                    logger.Debug($"Find UDP Data: {data.ToString()}");
-                    break;
-                }
-            }
-
-            timeleft = DateTime.Now.Subtract(startTime);
-            isTimeout = timeleft >= TimeSpan.FromMilliseconds(timeout);
-        }
-
-        if (data == null)
-        {
-            logger.Trace("Get nothing even after time out");
-            return Optional.None<UDPData>();
-        }
-        else
-        {
-            return Optional.Some((UDPData)data.DeepClone());
-        }
-    }
-
     /// <summary>
     /// 异步寻找目标发送的内容
     /// </summary>
@@ -173,20 +130,21 @@ public class UDPServer
         var timeleft = TimeSpan.FromMilliseconds(timeout);
         while (!isTimeout)
         {
+            var elapsed = DateTime.Now - startTime;
+            isTimeout = elapsed >= TimeSpan.FromMilliseconds(timeout);
+            timeleft = TimeSpan.FromMilliseconds(timeout) - elapsed;
 
-            using (await udpDataLock.AcquireWriteLockAsync(timeleft))
+            using (await udpData.AcquireWriteLockAsync(timeleft))
             {
-                if (udpData.ContainsKey(ipAddr) && udpData[ipAddr].Count > 0)
+                if (udpData.TryGetValue(ipAddr, out var dataQueue) && dataQueue != null && dataQueue.Count > 0)
                 {
-                    data = udpData[ipAddr][0].DeepClone();
+                    data = dataQueue.Dequeue();
-                    udpData[ipAddr].RemoveAt(0);
+                    // data = dataList[0].DeepClone();
+                    // dataList.RemoveAt(0);
                     logger.Debug($"Find UDP Data: {data.ToString()}");
                     break;
                 }
             }
-
-            timeleft = DateTime.Now.Subtract(startTime);
-            isTimeout = timeleft >= TimeSpan.FromMilliseconds(timeout);
         }
 
         if (data is null)
@@ -215,19 +173,19 @@ public class UDPServer
         var timeleft = TimeSpan.FromMilliseconds(timeout);
         while (!isTimeout)
         {
+            var elapsed = DateTime.Now - startTime;
+            isTimeout = elapsed >= TimeSpan.FromMilliseconds(timeout);
+            timeleft = TimeSpan.FromMilliseconds(timeout) - elapsed;
 
-            using (await udpDataLock.AcquireReadLockAsync(timeleft))
+            using (await udpData.AcquireReadLockAsync(timeleft))
             {
-                if (udpData.ContainsKey(ipAddr))
+                if (udpData.TryGetValue(ipAddr, out var dataQueue) && dataQueue != null && dataQueue.Count > 0)
                 {
-                    data = udpData[ipAddr];
+                    data = dataQueue.ToList();
-                    logger.Debug($"Find UDP Data Array: {data.ToString()}");
+                    logger.Debug($"Find UDP Data Array: {JsonConvert.SerializeObject(data)}");
                     break;
                 }
             }
-
-            timeleft = DateTime.Now.Subtract(startTime);
-            isTimeout = timeleft >= TimeSpan.FromMilliseconds(timeout);
         }
 
         if (data is null)
@@ -249,14 +207,14 @@ public class UDPServer
     /// <param name="timeout">超时时间范围</param>
     /// <returns>接收响应包</returns>
     public async ValueTask<Result<WebProtocol.RecvRespPackage>> WaitForAckAsync
-        (string address, int port, int timeout = 1000)
+        (string address, int port = -1, int timeout = 1000)
     {
         var data = await FindDataAsync(address, timeout);
         if (!data.HasValue)
             throw new Exception("Get None even after time out!");
 
         var recvData = data.Value;
-        if (recvData.Address != address || recvData.Port != port)
+        if (recvData.Address != address || (port >= 0 && recvData.Port != port))
             throw new Exception("Receive Data From Wrong Board!");
 
         var retPack = WebProtocol.RecvRespPackage.FromBytes(recvData.Data);
@@ -274,14 +232,14 @@ public class UDPServer
     /// <param name="timeout">超时时间范围</param>
     /// <returns>接收数据包</returns>
     public async ValueTask<Result<WebProtocol.RecvDataPackage>> WaitForDataAsync
-        (string address, int port, int timeout = 1000)
+        (string address, int port = -1, int timeout = 1000)
     {
         var data = await FindDataAsync(address, timeout);
         if (!data.HasValue)
             throw new Exception("Get None even after time out!");
 
         var recvData = data.Value;
-        if (recvData.Address != address || recvData.Port != port)
+        if (recvData.Address != address || (port >= 0 && recvData.Port != port))
             throw new Exception("Receive Data From Wrong Board!");
 
         var retPack = WebProtocol.RecvDataPackage.FromBytes(recvData.Data);
@@ -307,7 +265,8 @@ public class UDPServer
 
 
         // Handle Package
-        PrintData(RecordUDPData(bytes, remoteEP));
+        var udpData = RecordUDPData(bytes, remoteEP);
+        PrintData(udpData);
 
     BEGIN_RECEIVE:
         listener.BeginReceive(new AsyncCallback(ReceiveHandler), null);
@@ -332,36 +291,41 @@ public class UDPServer
 
     private UDPData RecordUDPData(byte[] bytes, IPEndPoint remoteEP)
     {
-        using (udpDataLock.AcquireWriteLock())
+        var remoteAddress = remoteEP.Address.ToString();
+        var remotePort = remoteEP.Port;
+        var data = new UDPData()
         {
-            var remoteAddress = remoteEP.Address.ToString();
+            Address = remoteAddress,
-            var remotePort = remoteEP.Port;
+            Port = remotePort,
-            var data = new UDPData()
+            Data = bytes,
-            {
+            DateTime = DateTime.Now,
-                Address = remoteAddress,
+            HasRead = false,
-                Port = remotePort,
+        };
-                Data = bytes,
-                DateTime = DateTime.Now,
-                HasRead = false,
-            };
 
+        using (udpData.AcquireWriteLock())
+        {
             // Record UDP Receive Data
-            if (udpData.ContainsKey(remoteAddress))
+            // if (udpData.ContainsKey(remoteAddress))
+            if (udpData.TryGetValue(remoteAddress, out var dataQueue))
             {
-                var listData = udpData[remoteAddress];
+                // var listData = udpData[remoteAddress];
-                listData.Add(data);
+                // listData.Add(data);
+                dataQueue.Enqueue(data);
                 logger.Trace("Receive data from old client");
             }
             else
             {
-                var list = new List<UDPData>();
+                // var list = new List<UDPData>();
-                list.Add(data);
+                // list.Add(data);
-                udpData.Add(remoteAddress, list);
+                // udpData.Add(remoteAddress, list);
+                var queue = new Queue<UDPData>();
+                queue.Enqueue(data);
+                udpData.Add(remoteAddress, queue);
                 logger.Trace("Receive data from new client");
             }
-
-            return data;
         }
+
+        return data;
     }
 
     /// <summary>
@@ -414,7 +378,7 @@ public class UDPServer
     /// <returns> void </returns>
     public void PrintAllData()
     {
-        using (udpDataLock.AcquireReadLock())
+        using (udpData.AcquireReadLock())
         {
             logger.Debug("Ready Data:");
 
@@ -436,7 +400,7 @@ public class UDPServer
     {
         try
         {
-            listener.BeginReceive(new AsyncCallback(ReceiveHandler), null);
+            this.listener.BeginReceive(new AsyncCallback(ReceiveHandler), null);
         }
         catch (Exception e)
         {
@@ -444,7 +408,7 @@ public class UDPServer
         }
         finally
         {
-
+            this.isRunning = true;
         }
     }
 
@@ -454,7 +418,8 @@ public class UDPServer
     /// <returns>None</returns>
     public void Stop()
     {
-        listener.Close();
+        this.listener.Close();
+        this.isRunning = false;
     }
 }
 

server/src/WebProtocol.cs

@@ -375,7 +375,7 @@ namespace WebProtocol
         {
             if (bytes[0] != (byte)PackSign.RecvData)
                 throw new ArgumentException(
-                    "The sign of bytes is not RecvData Package!",
+                    $"The sign of bytes is not RecvData Package, Sign: 0x{BitConverter.ToString([bytes[0]])}",
                     nameof(bytes)
                 );
             return new RecvDataPackage(bytes[1], bytes[2], bytes[4..]);
@@ -478,7 +478,7 @@ namespace WebProtocol
         {
             if (bytes[0] != (byte)PackSign.RecvResp)
                 throw new ArgumentException(
-                    "The sign of bytes is not RecvResp Package!",
+                    $"The sign of bytes is not RecvResp Package, Sign: 0x{BitConverter.ToString([bytes[0]])}",
                     nameof(bytes)
                 );
             return new RecvRespPackage(bytes[1], bytes[2]);