WebAPI 支持摄像头启停控制、码流切换、审计日志的提供

SHH.CameraSdk/Core/Manager/CameraManager.cs

@@ -72,6 +72,37 @@ public class CameraManager : IDisposable, IAsyncDisposable
     public BaseVideoSource? GetDevice(long id)
         => _cameraPool.TryGetValue(id, out var source) ? source : null;
 
+    /// <summary>
+    /// 获取当前管理的所有相机设备
+    /// </summary>
+    /// <returns>设备实例集合</returns>
+    public IEnumerable<BaseVideoSource> GetAllDevices()
+    {
+        return _cameraPool.Values.ToList();
+    }
+
+    /// <summary>
+    /// 从管理池中移除指定设备并释放资源
+    /// </summary>
+    /// <param name="id">设备唯一标识</param>
+    public void RemoveDevice(long id)
+    {
+        if (_cameraPool.TryRemove(id, out var device))
+        {
+            // 记录日志
+            System.Console.WriteLine($"[Manager] 正在移除设备 {id}...");
+
+            // 1. 停止物理连接 (异步转同步等待，防止资源未释放)
+            // 在实际高并发场景建议改为 RemoveDeviceAsync
+            device.StopAsync().GetAwaiter().GetResult();
+
+            // 2. 释放资源 (销毁非托管句柄)
+            device.Dispose();
+
+            System.Console.WriteLine($"[Manager] 设备 {id} 已彻底移除");
+        }
+    }
+
     #endregion
 
     #region --- 3. 生命周期控制 (Engine Lifecycle) ---
@@ -82,13 +113,14 @@ public class CameraManager : IDisposable, IAsyncDisposable
     public async Task StartAsync()
     {
         // 防护：已销毁则抛出异常
-        if (_isDisposed) throw new ObjectDisposedException(nameof(CameraManager));
+        if (_isDisposed) throw new System.ObjectDisposedException(nameof(CameraManager));
         // 防护：避免重复启动
         if (_isEngineStarted) return;
 
         // 1. 全局驱动环境预初始化：初始化厂商 SDK 运行环境
         HikSdkManager.Initialize();
 
+        // 不要运行，手动运行
         //// 2. 激活现有设备池中所有设备的“运行意图”，触发设备连接流程
         //foreach (var source in _cameraPool.Values)
         //{
@@ -105,7 +137,7 @@ public class CameraManager : IDisposable, IAsyncDisposable
             TaskCreationOptions.LongRunning,
             TaskScheduler.Default);
 
-        Console.WriteLine($"[CameraManager] 引擎启动成功，当前管理 {_cameraPool.Count} 路相机设备。");
+        System.Console.WriteLine($"[CameraManager] 引擎启动成功，当前管理 {_cameraPool.Count} 路相机设备。");
         await Task.CompletedTask;
     }
 
@@ -168,14 +200,93 @@ public class CameraManager : IDisposable, IAsyncDisposable
                 TotalFrames = cam.TotalFrames,
                 HealthScore = healthScore,
                 LastErrorMessage = cam.Status == VideoSourceStatus.Faulted ? "设备故障或网络中断" : null,
-                Timestamp = DateTime.Now
+                Timestamp = System.DateTime.Now
             };
         }).ToList();
     }
 
     #endregion
 
-    #region --- 5. 资源清理 (Disposal) ---
+    #region --- 5. 配置热更新 (Config Hot Update) ---
+
+    /// <summary>
+    /// 智能更新设备配置 (含冷热分离逻辑)
+    /// </summary>
+    /// <param name="deviceId">设备唯一标识</param>
+    /// <param name="dto">配置更新传输对象</param>
+    /// <exception cref="KeyNotFoundException">设备不存在时抛出</exception>
+    public async Task UpdateDeviceConfigAsync(long deviceId, DeviceUpdateDto dto)
+    {
+        if (!_cameraPool.TryGetValue(deviceId, out var device))
+            throw new KeyNotFoundException($"设备 {deviceId} 不存在");
+
+        // 1. 审计
+        device.AddAuditLog("收到配置更新请求");
+
+        // 2. 创建副本进行对比
+        var oldConfig = device.Config;
+        var newConfig = oldConfig.DeepCopy();
+
+        // 3. 映射 DTO 值 (仅当不为空时修改)
+        if (dto.IpAddress != null) newConfig.IpAddress = dto.IpAddress;
+        if (dto.Port != null) newConfig.Port = dto.Port.Value;
+        if (dto.Username != null) newConfig.Username = dto.Username;
+        if (dto.Password != null) newConfig.Password = dto.Password;
+        if (dto.ChannelIndex != null) newConfig.ChannelIndex = dto.ChannelIndex.Value;
+        if (dto.StreamType != null) newConfig.StreamType = dto.StreamType.Value;
+        if (dto.Name != null) newConfig.Name = dto.Name;
+        if (dto.RenderHandle != null) newConfig.RenderHandle = (System.IntPtr)dto.RenderHandle.Value;
+
+        // 4. 判定冷热更新
+        // 核心参数变更 -> 冷重启
+        bool needColdRestart =
+            newConfig.IpAddress != oldConfig.IpAddress ||
+            newConfig.Port != oldConfig.Port ||
+            newConfig.Username != oldConfig.Username ||
+            newConfig.Password != oldConfig.Password ||
+            newConfig.ChannelIndex != oldConfig.ChannelIndex ||
+            newConfig.Brand != oldConfig.Brand;
+
+        if (needColdRestart)
+        {
+            device.AddAuditLog($"检测到核心参数变更，执行冷重启 (Reboot)");
+
+            // 记录之前的运行状态
+            bool wasRunning = device.IsRunning;
+
+            // A. 彻底停止
+            if (device.IsOnline) await device.StopAsync();
+
+            // B. 写入新配置
+            device.UpdateConfig(newConfig);
+
+            // C. 如果之前是运行意图，则自动重启连接
+            if (wasRunning) await device.StartAsync();
+        }
+        else
+        {
+            device.AddAuditLog($"检测到运行时参数变更，执行热更新 (HotSwap)");
+
+            // A. 更新配置数据
+            device.UpdateConfig(newConfig);
+
+            // B. 在线应用策略 (无需断线)
+            if (device.IsOnline)
+            {
+                var options = new DynamicStreamOptions
+                {
+                    StreamType = dto.StreamType,
+                    RenderHandle = dto.RenderHandle.HasValue ? (System.IntPtr)dto.RenderHandle : null
+                };
+                // 触发驱动层的 OnApplyOptions
+                device.ApplyOptions(options);
+            }
+        }
+    }
+
+    #endregion
+
+    #region --- 6. 资源清理 (Disposal) ---
 
     /// <summary>
     /// 同步销毁：内部调用异步销毁逻辑，等待销毁完成