NetMQ 协议，支持摄像头增、删、改

2026-01-12 18:27:58 +08:00
parent 031d4f3416
commit 3f8e42e560
20 changed files with 604 additions and 332 deletions
--- a/SHH.CameraService/Core/CmdClients/RemoveCameraHandler.cs
+++ b/SHH.CameraService/Core/CmdClients/RemoveCameraHandler.cs
@@ -0,0 +1,84 @@
+using Newtonsoft.Json.Linq;
+using SHH.CameraSdk;
+using SHH.Contracts;
+
+namespace SHH.CameraService
+{
+    /// <summary>
+    /// 移除设备指令处理器
+    /// </summary>
+    public class RemoveCameraHandler : ICommandHandler
+    {
+        private readonly CameraManager _cameraManager;
+
+        /// <summary>
+        /// 指令名称
+        /// </summary>
+        public string ActionName => ProtocolHeaders.Remove_Camera;
+
+        /// <summary>
+        /// 构造函数
+        /// </summary>
+        /// <param name="cameraManager"></param>
+        public RemoveCameraHandler(CameraManager cameraManager)
+        {
+            _cameraManager = cameraManager;
+        }
+
+        /// <summary>
+        /// 处理指令
+        /// </summary>
+        /// <param name="payload"></param>
+        public async Task ExecuteAsync(JToken payload)
+        {
+            long deviceId = 0;
+
+            try
+            {
+                // 1. 增强型 ID 解析
+                if (payload.Type == JTokenType.Object)
+                {
+                    // 兼容大小写不敏感的解析
+                    var idToken = payload["Id"] ?? payload["id"];
+                    if (idToken != null) deviceId = idToken.Value<long>();
+                }
+                else if (payload.Type == JTokenType.Integer || payload.Type == JTokenType.String)
+                {
+                    // 兼容字符串形式的 ID
+                    long.TryParse(payload.ToString(), out deviceId);
+                }
+
+                if (deviceId <= 0)
+                {
+                    Console.WriteLine($"[{ActionName}] 收到无效指令: ID解析失败 ({payload})");
+                    return;
+                }
+
+                // 2. 预检查
+                var device = _cameraManager.GetDevice(deviceId);
+                if (device == null)
+                {
+                    Console.WriteLine($"[{ActionName}] 设备 {deviceId} 已经不在管理池中，无需操作。");
+                    return;
+                }
+
+                // 3. 安全移除
+                // 这里建议增加审计日志，记录谁触发了删除（如果协议里有用户信息的话）
+                device.AddAuditLog("收到远程指令：彻底移除设备");
+                Console.WriteLine($"[{ActionName}] 正在安全移除设备: {deviceId} ({device.Config.Name})");
+
+                // CameraManager 内部会：StopAsync -> DisposeAsync -> TryRemove -> SaveChanges
+                await _cameraManager.RemoveDeviceAsync(deviceId);
+
+                Console.WriteLine($"[{ActionName}] 设备 {deviceId} 已彻底清理并从持久化库中移除。");
+
+                // 4. (可选) 此处可以调用 CommandDispatcher 发送 Success ACK
+            }
+            catch (Exception ex)
+            {
+                // 捕获异常，防止影响全局 Socket 轮询
+                Console.WriteLine($"[{ActionName}] 移除设备 {deviceId} 过程中发生致命错误: {ex.Message}");
+            }
+        }
+    }
+}