Joseph Doherty
662f3f9f5c
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- Topic-name drift fix: DriverHealthChanged.TopicName and DriverControlTopic.Name now live on the message contracts in Commons. AkkaDriverHealthPublisher, DriverStatusSignalRBridge, DriverHostActor, and AdminOperationsActor all delegate to the single constant so a rename can't silently desynchronise publisher and subscriber. - DriverStatusPanel._opResultClearTimer switched from System.Timers.Timer to System.Threading.Timer + awaited DisposeAsync. Prevents an in-flight 8s clear-callback from invoking StateHasChanged on a component whose hub has already been released. - PublishHealthSnapshot deduplicates against the last published (state, lastSuccess, lastError, errorCount) fingerprint. The 30s heartbeat no longer floods the SignalR layer with identical Healthy snapshots — newly-joined clients still warm up via the snapshot store on JoinDriver.
32 lines
1.5 KiB
C#
32 lines
1.5 KiB
C#
namespace ZB.MOM.WW.OtOpcUa.Commons.Messages.Drivers;
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/// <summary>
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/// Snapshot of a single driver instance's health, published to the
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/// <c>driver-health</c> DistributedPubSub topic whenever a driver actor
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/// transitions state or logs an error. Consumed by
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/// <c>DriverStatusSignalRBridge</c> in the AdminUI for live status push.
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/// </summary>
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/// <param name="ClusterId">Cluster this driver belongs to.</param>
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/// <param name="DriverInstanceId">Globally-unique driver instance ID.</param>
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/// <param name="State">DriverState enum as string (Healthy, Faulted, Reconnecting, etc.).</param>
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/// <param name="LastSuccessfulReadUtc">Most recent successful equipment read; null if never.</param>
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/// <param name="LastError">Latest error message; null when none.</param>
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/// <param name="ErrorCount5Min">Number of state-transitions into Faulted in the last 5 minutes.</param>
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/// <param name="PublishedUtc">Timestamp this snapshot was published.</param>
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public sealed record DriverHealthChanged(
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string ClusterId,
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string DriverInstanceId,
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string State,
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DateTime? LastSuccessfulReadUtc,
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string? LastError,
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int ErrorCount5Min,
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DateTime PublishedUtc)
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{
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/// <summary>
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/// DPS topic name. Both the runtime <c>AkkaDriverHealthPublisher</c> and the AdminUI
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/// <c>DriverStatusSignalRBridge</c> reference this single constant so renames can't
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/// silently desynchronise publisher and subscriber.
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/// </summary>
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public const string TopicName = "driver-health";
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}
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