diff --git a/src/ZB.MOM.WW.ScadaBridge.Communication/Actors/StreamRelayActor.cs b/src/ZB.MOM.WW.ScadaBridge.Communication/Actors/StreamRelayActor.cs
index b4d183dd..ecb11452 100644
--- a/src/ZB.MOM.WW.ScadaBridge.Communication/Actors/StreamRelayActor.cs
+++ b/src/ZB.MOM.WW.ScadaBridge.Communication/Actors/StreamRelayActor.cs
@@ -67,7 +67,24 @@ public class StreamRelayActor : ReceiveActor
Priority = msg.Priority,
Timestamp = Timestamp.FromDateTimeOffset(msg.Timestamp),
Level = MapAlarmLevel(msg.Level),
- Message = msg.Message ?? string.Empty
+ Message = msg.Message ?? string.Empty,
+ // Native alarm enrichment (additive — computed alarms map their default condition).
+ Kind = msg.Kind.ToString(),
+ Active = msg.Condition.Active,
+ Acknowledged = msg.Condition.Acknowledged,
+ Confirmed = msg.Condition.Confirmed ?? false,
+ ShelveState = AlarmShelveStateCodec.ToWire(msg.Condition.Shelve),
+ Suppressed = msg.Condition.Suppressed,
+ SourceReference = msg.SourceReference ?? string.Empty,
+ AlarmTypeName = msg.AlarmTypeName ?? string.Empty,
+ Category = msg.Category ?? string.Empty,
+ OperatorUser = msg.OperatorUser ?? string.Empty,
+ OperatorComment = msg.OperatorComment ?? string.Empty,
+ OriginalRaiseTime = msg.OriginalRaiseTime.HasValue
+ ? Timestamp.FromDateTimeOffset(msg.OriginalRaiseTime.Value)
+ : null,
+ CurrentValue = msg.CurrentValue ?? string.Empty,
+ LimitValue = msg.LimitValue ?? string.Empty
}
};
diff --git a/src/ZB.MOM.WW.ScadaBridge.Communication/Grpc/AlarmShelveStateCodec.cs b/src/ZB.MOM.WW.ScadaBridge.Communication/Grpc/AlarmShelveStateCodec.cs
new file mode 100644
index 00000000..a1512e90
--- /dev/null
+++ b/src/ZB.MOM.WW.ScadaBridge.Communication/Grpc/AlarmShelveStateCodec.cs
@@ -0,0 +1,21 @@
+using ZB.MOM.WW.ScadaBridge.Commons.Types.Enums;
+
+namespace ZB.MOM.WW.ScadaBridge.Communication.Grpc;
+
+///
+/// Maps to/from the wire string carried in the
+/// AlarmStateUpdate.shelve_state proto field. The wire form is the enum
+/// member name; an empty or unrecognized string parses back to
+/// (the safe default).
+///
+public static class AlarmShelveStateCodec
+{
+ /// Returns the wire string for a shelve state (the enum member name).
+ public static string ToWire(AlarmShelveState state) => state.ToString();
+
+ /// Parses a wire string back to a shelve state; defaults to .
+ public static AlarmShelveState Parse(string? wire) =>
+ Enum.TryParse(wire, ignoreCase: true, out var state)
+ ? state
+ : AlarmShelveState.Unshelved;
+}
diff --git a/src/ZB.MOM.WW.ScadaBridge.Communication/Grpc/SiteStreamGrpcClient.cs b/src/ZB.MOM.WW.ScadaBridge.Communication/Grpc/SiteStreamGrpcClient.cs
index 118dac99..da1665e4 100644
--- a/src/ZB.MOM.WW.ScadaBridge.Communication/Grpc/SiteStreamGrpcClient.cs
+++ b/src/ZB.MOM.WW.ScadaBridge.Communication/Grpc/SiteStreamGrpcClient.cs
@@ -3,6 +3,7 @@ using Grpc.Core;
using Grpc.Net.Client;
using Microsoft.Extensions.Logging;
using ZB.MOM.WW.ScadaBridge.Commons.Messages.Streaming;
+using ZB.MOM.WW.ScadaBridge.Commons.Types.Alarms;
using ZB.MOM.WW.ScadaBridge.Commons.Types.Enums;
using Google.Protobuf.WellKnownTypes;
@@ -233,11 +234,32 @@ public class SiteStreamGrpcClient : IAsyncDisposable, IDisposable
evt.AlarmChanged.Timestamp.ToDateTimeOffset())
{
Level = MapAlarmLevel(evt.AlarmChanged.Level),
- Message = evt.AlarmChanged.Message ?? string.Empty
+ Message = evt.AlarmChanged.Message ?? string.Empty,
+ // Native alarm enrichment (additive — computed alarms carry their default condition).
+ Kind = ParseAlarmKind(evt.AlarmChanged.Kind),
+ Condition = new AlarmConditionState(
+ Active: evt.AlarmChanged.Active,
+ Acknowledged: evt.AlarmChanged.Acknowledged,
+ Confirmed: evt.AlarmChanged.Confirmed,
+ Shelve: AlarmShelveStateCodec.Parse(evt.AlarmChanged.ShelveState),
+ Suppressed: evt.AlarmChanged.Suppressed,
+ Severity: evt.AlarmChanged.Priority),
+ SourceReference = evt.AlarmChanged.SourceReference ?? string.Empty,
+ AlarmTypeName = evt.AlarmChanged.AlarmTypeName ?? string.Empty,
+ Category = evt.AlarmChanged.Category ?? string.Empty,
+ OperatorUser = evt.AlarmChanged.OperatorUser ?? string.Empty,
+ OperatorComment = evt.AlarmChanged.OperatorComment ?? string.Empty,
+ OriginalRaiseTime = evt.AlarmChanged.OriginalRaiseTime?.ToDateTimeOffset(),
+ CurrentValue = evt.AlarmChanged.CurrentValue ?? string.Empty,
+ LimitValue = evt.AlarmChanged.LimitValue ?? string.Empty
},
_ => null
};
+ /// Parses the wire "kind" string back to ; defaults to Computed.
+ internal static AlarmKind ParseAlarmKind(string? kind) =>
+ System.Enum.TryParse(kind, ignoreCase: true, out var k) ? k : AlarmKind.Computed;
+
///
/// Maps proto Quality enum to domain string. Internal for testability.
///
diff --git a/tests/ZB.MOM.WW.ScadaBridge.Communication.Tests/Grpc/SiteStreamGrpcClientTests.cs b/tests/ZB.MOM.WW.ScadaBridge.Communication.Tests/Grpc/SiteStreamGrpcClientTests.cs
index d7ae9b6f..82d4addb 100644
--- a/tests/ZB.MOM.WW.ScadaBridge.Communication.Tests/Grpc/SiteStreamGrpcClientTests.cs
+++ b/tests/ZB.MOM.WW.ScadaBridge.Communication.Tests/Grpc/SiteStreamGrpcClientTests.cs
@@ -40,16 +40,31 @@ public class SiteStreamGrpcClientTests
public void ConvertToDomainEvent_AlarmChanged_MapsCorrectly()
{
var ts = DateTimeOffset.UtcNow;
+ var raiseTime = ts.AddMinutes(-30);
var evt = new SiteStreamEvent
{
CorrelationId = "corr-2",
AlarmChanged = new AlarmStateUpdate
{
InstanceUniqueName = "Site1.Motor01",
- AlarmName = "OverTemp",
+ AlarmName = "T01.Hi",
State = AlarmStateEnum.AlarmStateActive,
- Priority = 3,
- Timestamp = Timestamp.FromDateTimeOffset(ts)
+ Priority = 850,
+ Timestamp = Timestamp.FromDateTimeOffset(ts),
+ Kind = "NativeOpcUa",
+ Active = true,
+ Acknowledged = false,
+ Confirmed = false,
+ ShelveState = "TimedShelved",
+ Suppressed = true,
+ SourceReference = "T01.Hi",
+ AlarmTypeName = "AnalogLimit.Hi",
+ Category = "Process",
+ OperatorUser = "op2",
+ OperatorComment = "shelved",
+ OriginalRaiseTime = Timestamp.FromDateTimeOffset(raiseTime),
+ CurrentValue = "120",
+ LimitValue = "100"
}
};
@@ -57,10 +72,26 @@ public class SiteStreamGrpcClientTests
var alarm = Assert.IsType(result);
Assert.Equal("Site1.Motor01", alarm.InstanceUniqueName);
- Assert.Equal("OverTemp", alarm.AlarmName);
+ Assert.Equal("T01.Hi", alarm.AlarmName);
Assert.Equal(AlarmState.Active, alarm.State);
- Assert.Equal(3, alarm.Priority);
+ Assert.Equal(850, alarm.Priority);
Assert.Equal(ts, alarm.Timestamp);
+
+ // Native enrichment mapped back.
+ Assert.Equal(AlarmKind.NativeOpcUa, alarm.Kind);
+ Assert.True(alarm.Condition.Active);
+ Assert.False(alarm.Condition.Acknowledged);
+ Assert.Equal(AlarmShelveState.TimedShelved, alarm.Condition.Shelve);
+ Assert.True(alarm.Condition.Suppressed);
+ Assert.Equal(850, alarm.Condition.Severity);
+ Assert.Equal("T01.Hi", alarm.SourceReference);
+ Assert.Equal("AnalogLimit.Hi", alarm.AlarmTypeName);
+ Assert.Equal("Process", alarm.Category);
+ Assert.Equal("op2", alarm.OperatorUser);
+ Assert.Equal("shelved", alarm.OperatorComment);
+ Assert.Equal(raiseTime, alarm.OriginalRaiseTime);
+ Assert.Equal("120", alarm.CurrentValue);
+ Assert.Equal("100", alarm.LimitValue);
}
[Fact]
diff --git a/tests/ZB.MOM.WW.ScadaBridge.Communication.Tests/Grpc/StreamRelayActorTests.cs b/tests/ZB.MOM.WW.ScadaBridge.Communication.Tests/Grpc/StreamRelayActorTests.cs
index 3882684f..416a475b 100644
--- a/tests/ZB.MOM.WW.ScadaBridge.Communication.Tests/Grpc/StreamRelayActorTests.cs
+++ b/tests/ZB.MOM.WW.ScadaBridge.Communication.Tests/Grpc/StreamRelayActorTests.cs
@@ -3,6 +3,7 @@ using Akka.Actor;
using Akka.TestKit.Xunit2;
using Google.Protobuf.WellKnownTypes;
using ZB.MOM.WW.ScadaBridge.Commons.Messages.Streaming;
+using ZB.MOM.WW.ScadaBridge.Commons.Types.Alarms;
using ZB.MOM.WW.ScadaBridge.Commons.Types.Enums;
using ZB.MOM.WW.ScadaBridge.Communication.Actors;
using ZB.MOM.WW.ScadaBridge.Communication.Grpc;
@@ -57,8 +58,23 @@ public class StreamRelayActorTests : TestKit
new StreamRelayActor(correlationId, channel.Writer)));
var timestamp = new DateTimeOffset(2026, 3, 21, 11, 0, 0, TimeSpan.Zero);
+ var raiseTime = new DateTimeOffset(2026, 3, 21, 10, 0, 0, TimeSpan.Zero);
var domainEvent = new AlarmStateChanged(
- "Site1.Pump01", "HighPressure", AlarmState.Active, 2, timestamp);
+ "Site1.Pump01", "T01.Hi", AlarmState.Active, 900, timestamp)
+ {
+ Kind = AlarmKind.NativeMxAccess,
+ SourceReference = "T01.Hi",
+ AlarmTypeName = "AnalogLimit.Hi",
+ Category = "Process",
+ OperatorUser = "op1",
+ OperatorComment = "ack",
+ OriginalRaiseTime = raiseTime,
+ CurrentValue = "92",
+ LimitValue = "90",
+ Condition = new AlarmConditionState(
+ Active: true, Acknowledged: true, Confirmed: null,
+ Shelve: AlarmShelveState.OneShotShelved, Suppressed: false, Severity: 900)
+ };
actor.Tell(domainEvent);
@@ -76,10 +92,25 @@ public class StreamRelayActorTests : TestKit
var alarm = protoEvent.AlarmChanged;
Assert.Equal("Site1.Pump01", alarm.InstanceUniqueName);
- Assert.Equal("HighPressure", alarm.AlarmName);
+ Assert.Equal("T01.Hi", alarm.AlarmName);
Assert.Equal(AlarmStateEnum.AlarmStateActive, alarm.State);
- Assert.Equal(2, alarm.Priority);
+ Assert.Equal(900, alarm.Priority);
Assert.Equal(Timestamp.FromDateTimeOffset(timestamp), alarm.Timestamp);
+
+ // Native enrichment mapped out.
+ Assert.Equal("NativeMxAccess", alarm.Kind);
+ Assert.True(alarm.Active);
+ Assert.True(alarm.Acknowledged);
+ Assert.Equal("OneShotShelved", alarm.ShelveState);
+ Assert.False(alarm.Suppressed);
+ Assert.Equal("T01.Hi", alarm.SourceReference);
+ Assert.Equal("AnalogLimit.Hi", alarm.AlarmTypeName);
+ Assert.Equal("Process", alarm.Category);
+ Assert.Equal("op1", alarm.OperatorUser);
+ Assert.Equal("ack", alarm.OperatorComment);
+ Assert.Equal(Timestamp.FromDateTimeOffset(raiseTime), alarm.OriginalRaiseTime);
+ Assert.Equal("92", alarm.CurrentValue);
+ Assert.Equal("90", alarm.LimitValue);
}
[Fact]