336 lines
11 KiB
C#
336 lines
11 KiB
C#
using Microsoft.AspNetCore.Mvc;
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namespace SHH.CameraSdk;
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[ApiController]
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[Route("api/[controller]")]
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public class CamerasController : ControllerBase
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{
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private readonly CameraManager _manager;
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// 构造函数注入管理器
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public CamerasController(CameraManager manager, DisplayWindowManager displayManager)
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{
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_manager = manager;
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_displayManager = displayManager;
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}
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// ==========================================================================
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// 区域 A: 设备全生命周期管理 (CRUD)
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// ==========================================================================
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/// <summary>
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/// 1. 获取所有设备清单
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/// </summary>
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[HttpGet]
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public IActionResult GetAll()
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{
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var devices = _manager.GetAllDevices().Select(d => new
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{
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d.Id,
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d.Config.IpAddress,
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d.Config.Name,
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Status = d.Status.ToString(),
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d.RealFps,
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d.TotalFrames
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});
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return Ok(devices);
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}
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/// <summary>
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/// 2. 新增设备 (写入配置并初始化)
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/// </summary>
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[HttpPost]
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public IActionResult Add([FromBody] CameraConfigDto dto)
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{
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if (_manager.GetDevice(dto.Id) != null)
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return Conflict($"设备ID {dto.Id} 已存在");
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// DTO 转 Config (实际项目中建议用 AutoMapper)
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var config = MapToConfig(dto);
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_manager.AddDevice(config); // 添加到内存池
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// 注意：此时 IsRunning 默认为 false，等待手动 Start 或 API 控制
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return CreatedAtAction(nameof(GetAll), new { id = dto.Id }, dto);
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}
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/// <summary>
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/// 3. 编辑设备 (自动识别冷热更新)
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/// </summary>
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[HttpPut("{id}")]
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public async Task<IActionResult> Update(long id, [FromBody] CameraConfigDto dto)
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{
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try
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{
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if (id != dto.Id) return BadRequest("ID 不匹配");
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// 调用 Manager 的智能更新逻辑 (之前实现的 UpdateDeviceConfigAsync)
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await _manager.UpdateDeviceConfigAsync(id, MapToUpdateDto(dto));
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return Ok(new { Success = true, Message = "配置已更新" });
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}
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catch (KeyNotFoundException) { return NotFound(); }
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catch (System.Exception ex) { return StatusCode(500, ex.Message); }
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}
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/// <summary>
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/// 4. 删除设备 (销毁连接)
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/// </summary>
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[HttpDelete("{id}")]
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public async Task<IActionResult> Remove(long id)
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{
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var device = _manager.GetDevice(id);
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if (device == null) return NotFound();
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await device.StopAsync(); // 停流
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_manager.RemoveDevice(id); // 从池中移除
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return Ok($"设备 {id} 已移除");
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}
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// ==========================================================================
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// 区域 B: 多进程流控订阅 (Subscription Strategy)
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// ==========================================================================
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// ==========================================================================
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// 区域 C: 句柄动态绑定 (Handle Binding)
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// ==========================================================================
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/// <summary>
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/// 6. 绑定显示窗口 (对应 A进程-句柄场景)
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/// </summary>
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[HttpPost("{id}/bind-handle")]
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public IActionResult BindHandle(long id, [FromBody] BindHandleDto dto)
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{
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var device = _manager.GetDevice(id);
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if (device == null) return NotFound();
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// 构造动态选项，应用句柄
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var options = new DynamicStreamOptions
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{
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RenderHandle = (System.IntPtr)dto.Handle
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};
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device.ApplyOptions(options); // 触发驱动层的 OnApplyOptions
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device.AddAuditLog($"绑定新句柄: {dto.Handle} ({dto.Purpose})");
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return Ok(new { Success = true });
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}
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// ==========================================================================
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// 区域 D: 设备运行控制
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// ==========================================================================
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/// <summary>
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/// 手动控制设备运行状态 (开关机)
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/// </summary>
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[HttpPost("{id}/power")]
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public async Task<IActionResult> TogglePower(long id, [FromQuery] bool enabled)
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{
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var device = _manager.GetDevice(id);
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if (device == null) return NotFound();
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// 1. 更新运行意图
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device.IsRunning = enabled;
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// 2. 审计与执行
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if (enabled)
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{
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device.AddAuditLog("用户指令：手动开启设备");
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// 异步启动，Coordinator 也会在下个周期辅助检查
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_ = device.StartAsync();
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}
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else
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{
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device.AddAuditLog("用户指令：手动关闭设备");
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await device.StopAsync();
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}
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return Ok(new { DeviceId = id, IsRunning = enabled });
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}
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/// <summary>
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/// 热应用动态参数 (如切换码流)
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/// </summary>
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[HttpPost("{id}/options")]
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public IActionResult ApplyOptions(long id, [FromBody] DynamicStreamOptions options)
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{
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var device = _manager.GetDevice(id);
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if (device == null) return NotFound();
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// 1. 如果涉及码流切换，先同步更新配置对象
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if (options.StreamType.HasValue)
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{
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var newConfig = device.Config.DeepCopy();
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newConfig.StreamType = options.StreamType.Value;
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device.UpdateConfig(newConfig);
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}
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// 2. 应用到驱动层（触发热切换逻辑）
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device.ApplyOptions(options);
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return Ok(new { Message = "动态参数已发送", DeviceId = id });
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}
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// ==========================================================================
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// 辅助方法 (Mapping)
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// ==========================================================================
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private VideoSourceConfig MapToConfig(CameraConfigDto dto)
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{
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return new VideoSourceConfig
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{
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Id = dto.Id,
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Name = dto.Name,
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Brand = (DeviceBrand)dto.Brand,
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IpAddress = dto.IpAddress,
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Port = dto.Port,
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Username = dto.Username,
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Password = dto.Password,
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ChannelIndex = dto.ChannelIndex,
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StreamType = dto.StreamType,
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RtspPath = dto.RtspPath
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};
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}
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/// <summary>
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/// [辅助方法] 将全量配置 DTO 转换为更新 DTO
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/// </summary>
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private DeviceUpdateDto MapToUpdateDto(CameraConfigDto dto)
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{
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return new DeviceUpdateDto
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{
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// ==========================================
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// 1. 冷更新参数 (基础连接信息)
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// ==========================================
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IpAddress = dto.IpAddress,
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Port = dto.Port,
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Username = dto.Username,
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Password = dto.Password,
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ChannelIndex = dto.ChannelIndex,
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Brand = dto.Brand,
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RtspPath = dto.RtspPath,
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MainboardIp = dto.MainboardIp,
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MainboardPort = dto.MainboardPort,
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// ==========================================
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// 2. 热更新参数 (运行时属性)
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// ==========================================
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Name = dto.Name,
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Location = dto.Location,
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StreamType = dto.StreamType,
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// 注意：通常句柄是通过 bind-handle 接口单独绑定的，
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// 但如果 ConfigDto 里包含了上次保存的句柄，也可以映射
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// RenderHandle = dto.RenderHandle,
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// ==========================================
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// 3. 图像处理参数
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// ==========================================
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AllowCompress = dto.AllowCompress,
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AllowExpand = dto.AllowExpand,
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TargetResolution = dto.TargetResolution,
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EnhanceImage = dto.EnhanceImage,
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UseGrayscale = dto.UseGrayscale
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};
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}
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private readonly DisplayWindowManager _displayManager; // [新增]
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/// <summary>
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/// 综合订阅策略更新接口
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/// 支持：本地 OpenCV 窗口、海康句柄穿透、本地录像、网络传输
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/// </summary>
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[HttpPost("{id}/subscriptions")]
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public IActionResult UpdateSubscription(int id, [FromBody] SubscriptionDto dto)
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{
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var device = _manager.GetDevice(id);
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if (device == null) return NotFound("设备不存在");
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// 1. 自动生成 ID 逻辑
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if (string.IsNullOrWhiteSpace(dto.AppId))
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{
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dto.AppId = $"SUB_{Guid.NewGuid().ToString("N").Substring(0, 8).ToUpper()}";
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}
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// 2. 获取流控控制器
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var controller = device.Controller;
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if (controller == null) return BadRequest("该设备类型不支持流控调度");
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// 3. 处理注销逻辑 (FPS 为 0 代表停止订阅)
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if (dto.DisplayFps <= 0)
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{
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controller.Unregister(dto.AppId);
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// 停止显示管理器中所有相关的显示任务 (无论是本地窗口还是句柄绑定)
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_displayManager.StopDisplay(dto.AppId);
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device.AddAuditLog($"注销订阅: {dto.AppId}");
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return Ok(new { Message = "Subscription removed", AppId = dto.AppId });
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}
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// 4. 业务参数合法性校验
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switch (dto.Type)
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{
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case SubscriptionType.LocalRecord when string.IsNullOrEmpty(dto.SavePath):
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return BadRequest("录像模式必须指定存放路径");
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case SubscriptionType.HandleDisplay when string.IsNullOrEmpty(dto.Handle):
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return BadRequest("句柄显示模式必须提供窗口句柄");
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}
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// 5. 将需求注册到流控控制器
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controller.Register(dto.AppId, dto.DisplayFps);
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// 6. 路由显示逻辑 (核心整合点)
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if (dto.Type == SubscriptionType.LocalWindow)
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{
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// --- 保留旧版功能：启动本地 OpenCV 渲染窗口 ---
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_displayManager.StartDisplay(dto.AppId, id);
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}
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else if (dto.Type == SubscriptionType.HandleDisplay && !string.IsNullOrEmpty(dto.Handle))
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{
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}
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device.AddAuditLog($"更新订阅: {dto.AppId} ({dto.Type}), 目标 {dto.DisplayFps} FPS");
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return Ok(new
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{
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Success = true,
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AppId = dto.AppId,
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Message = "订阅策略已应用",
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CurrentConfig = controller.GetCurrentRequirements() // 返回当前所有订阅状态供前端同步
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});
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}
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// 1. 获取单个设备详情（用于编辑回填）
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[HttpGet("{id}")]
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public IActionResult GetDevice(int id)
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{
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var cam = _manager.GetDevice(id);
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if (cam == null) return NotFound();
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return Ok(cam.Config); // 返回原始配置对象
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}
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// 3. 清除特定设备的日志
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[HttpDelete("{id}/logs")]
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public IActionResult ClearLogs(int id)
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{
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var cam = _manager.GetDevice(id);
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cam?.ClearAuditLogs();
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return Ok();
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}
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//// 4. 抓图诊断
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//[HttpGet("{id}/capture")]
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//public async Task<IActionResult> Capture(int id)
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//{
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// var cam = _manager.GetDevice(id);
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// if (cam == null) return NotFound();
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// var bytes = await cam.CaptureCurrentFrameAsync();
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// return File(bytes, "image/jpeg");
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//}
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} |