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