40 lines
1.5 KiB
C#
40 lines
1.5 KiB
C#
using System.Threading.Channels;
|
||
|
||
namespace Service.Implement
|
||
{
|
||
/// <summary>
|
||
/// 告警通知事件（AlertId：告警消息Id；IsNewAlert：是否新告警，false 表示合并触发的重复告警）
|
||
/// </summary>
|
||
/// <param name="AlertId">告警消息 Id</param>
|
||
/// <param name="IsNewAlert">是否新告警</param>
|
||
public record AlertNotifyEvent(long AlertId, bool IsNewAlert);
|
||
|
||
/// <summary>
|
||
/// 告警通知内存总线（生产者：AlertCenterService 上报告警后入队；消费者：AlertNotifyWorker 后台推送）
|
||
/// 采用静态单例 Channel，与项目 SqlSugarContext.DbContext 静态单例风格一致；
|
||
/// 进程重启丢失队列可接受（告警已落库，页面仍可查询处理）
|
||
/// </summary>
|
||
public static class AlertNotifyBus
|
||
{
|
||
private static readonly Channel<AlertNotifyEvent> _channel =
|
||
Channel.CreateUnbounded<AlertNotifyEvent>(new UnboundedChannelOptions
|
||
{
|
||
SingleReader = true,
|
||
SingleWriter = false
|
||
});
|
||
|
||
/// <summary>
|
||
/// 队列读取端（供 AlertNotifyWorker 消费）
|
||
/// </summary>
|
||
public static ChannelReader<AlertNotifyEvent> Reader => _channel.Reader;
|
||
|
||
/// <summary>
|
||
/// 发布告警通知事件（非阻塞，队列满不会发生——无界队列）
|
||
/// </summary>
|
||
public static void Publish(long alertId, bool isNewAlert)
|
||
{
|
||
_channel.Writer.TryWrite(new AlertNotifyEvent(alertId, isNewAlert));
|
||
}
|
||
}
|
||
}
|