feat: 将摄像头数据从生成的数据改为读取实际数据

server/src/Peripherals/CameraClient.cs

@@ -0,0 +1,66 @@
+using System.Net;
+using DotNext;
+
+namespace Peripherals.CameraClient;
+
+static class CameraAddr
+{
+    public const UInt32 Base = 0x0000_0000;
+    public const UInt32 FrameLength = 0x25800;
+}
+
+class Camera
+{
+    private static readonly NLog.Logger logger = NLog.LogManager.GetCurrentClassLogger();
+
+    readonly int timeout = 2000;
+
+    readonly int port;
+    readonly string address;
+    private IPEndPoint ep;
+
+    /// <summary>
+    /// 初始化摄像头客户端
+    /// </summary>
+    /// <param name="address">摄像头设备IP地址</param>
+    /// <param name="port">摄像头设备端口</param>
+    /// <param name="timeout">超时时间（毫秒）</param>
+    public Camera(string address, int port, int timeout = 2000)
+    {
+        if (timeout < 0)
+            throw new ArgumentException("Timeout couldn't be negative", nameof(timeout));
+        this.address = address;
+        this.port = port;
+        this.ep = new IPEndPoint(IPAddress.Parse(address), port);
+        this.timeout = timeout;
+    }
+
+    /// <summary>
+    /// 读取一帧图像数据
+    /// </summary>
+    /// <returns>包含图像数据的字节数组</returns>
+    public async ValueTask<Result<byte[]>> ReadFrame()
+    {
+        // 清除UDP服务器接收缓冲区
+        await MsgBus.UDPServer.ClearUDPData(this.address, 3);
+
+        logger.Trace($"Clear up udp server {this.address} receive data");
+
+        // 使用UDPClientPool读取图像帧数据
+        var result = await UDPClientPool.ReadAddrBytes(
+            this.ep,
+            3, // taskID
+            CameraAddr.Base,
+            (int)CameraAddr.FrameLength,
+            this.timeout);
+
+        if (!result.IsSuccessful)
+        {
+            logger.Error($"Failed to read frame from camera {this.address}:{this.port}, error: {result.Error}");
+            return new(result.Error);
+        }
+
+        logger.Debug($"Successfully read frame from camera {this.address}:{this.port}, data length: {result.Value.Length} bytes");
+        return result.Value;
+    }
+}