37 lines
1.5 KiB
C#
37 lines
1.5 KiB
C#
namespace SHH.CameraSdk;
|
||
|
||
/// <summary>
|
||
/// [配置中心] 预处理参数管理器
|
||
/// 职责：提供线程安全的配置读写接口，连接 Web API 与 底层 Worker
|
||
/// </summary>
|
||
public class ProcessingConfigManager
|
||
{
|
||
// 内存字典：Key=设备ID, Value=配置对象
|
||
private readonly ConcurrentDictionary<long, ProcessingOptions> _configs = new();
|
||
|
||
/// <summary>
|
||
/// 获取指定设备的配置（如果不存在则返回默认值）
|
||
/// </summary>
|
||
/// <param name="deviceId">设备ID</param>
|
||
/// <returns>配置对象（非空）</returns>
|
||
public ProcessingOptions GetOptions(long deviceId)
|
||
{
|
||
// GetOrAdd 保证了永远能拿回一个有效的配置，防止 Worker 报空指针
|
||
return _configs.GetOrAdd(deviceId, _ => ProcessingOptions.Default);
|
||
}
|
||
|
||
/// <summary>
|
||
/// 更新指定设备的配置（实时生效）
|
||
/// </summary>
|
||
public void UpdateOptions(long deviceId, ProcessingOptions newOptions)
|
||
{
|
||
if (newOptions == null) return;
|
||
|
||
// 直接覆盖旧配置，由于是引用替换，原子性较高
|
||
_configs.AddOrUpdate(deviceId, newOptions, (key, old) => newOptions);
|
||
|
||
Console.WriteLine($"[ConfigManager] 设备 {deviceId} 预处理参数已更新: " +
|
||
$"Expand={newOptions.EnableExpand} Shrink:{newOptions.EnableShrink} 分辨率:({newOptions.TargetWidth}x{newOptions.TargetHeight}), " +
|
||
$"Enhance={newOptions.EnableEnhance}");
|
||
}
|
||
} |