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lmxopcua/src/Server/ZB.MOM.WW.OtOpcUa.Runtime/Drivers/AkkaDriverHealthPublisher.cs
T
Joseph Doherty 662f3f9f5c
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refactor(driver-pages): address Phase 6/8 deep-review findings
- 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.
2026-05-28 11:52:20 -04:00

39 lines
1.5 KiB
C#

using Akka.Actor;
using Akka.Cluster.Tools.PublishSubscribe;
using ZB.MOM.WW.OtOpcUa.Commons.Messages.Drivers;
using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
namespace ZB.MOM.WW.OtOpcUa.Runtime.Drivers;
/// <summary>
/// Forwards <see cref="DriverHealth"/> transitions to the cluster-wide
/// <c>driver-health</c> DistributedPubSub topic. Consumed by the AdminUI
/// <c>DriverStatusSignalRBridge</c>.
/// </summary>
public sealed class AkkaDriverHealthPublisher : IDriverHealthPublisher
{
/// <summary>The DistributedPubSub topic name for driver-health snapshots — single source
/// of truth on the message contract itself.</summary>
public const string TopicName = DriverHealthChanged.TopicName;
private readonly ActorSystem _system;
/// <summary>Initializes a new instance of <see cref="AkkaDriverHealthPublisher"/>.</summary>
/// <param name="system">The Akka actor system used to resolve the DPS mediator.</param>
public AkkaDriverHealthPublisher(ActorSystem system) => _system = system;
/// <inheritdoc />
public void Publish(string clusterId, string driverInstanceId, DriverHealth health, int errorCount5Min)
{
var msg = new DriverHealthChanged(
clusterId,
driverInstanceId,
health.State.ToString(),
health.LastSuccessfulRead,
health.LastError,
errorCount5Min,
DateTime.UtcNow);
DistributedPubSub.Get(_system).Mediator.Tell(new Publish(TopicName, msg));
}
}