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Improve gateway reliability and client e2e coverage

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This commit is contained in:
Joseph Doherty
2026-04-28 06:11:18 -04:00
parent 4fc355b357
commit 907aa49aea
25 changed files with 1153 additions and 83 deletions
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src/MxGateway.Server/Metrics/GatewayMetrics.cs
+13 -13
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@@ -1,3 +1,4 @@
using System.Collections.Concurrent;
using System.Diagnostics.Metrics;
namespace MxGateway.Server.Metrics;
@@ -25,8 +26,8 @@ public sealed class GatewayMetrics : IDisposable
private readonly Histogram<double> _commandLatencyHistogram;
private readonly Histogram<double> _eventStreamSendLatencyHistogram;
private readonly Dictionary<string, long> _commandFailuresByMethod = new(StringComparer.OrdinalIgnoreCase);
private readonly Dictionary<string, long> _eventsByFamily = new(StringComparer.OrdinalIgnoreCase);
private readonly Dictionary<string, long> _eventsBySession = new(StringComparer.Ordinal);
private readonly ConcurrentDictionary<string, long> _eventsByFamily = new(StringComparer.OrdinalIgnoreCase);
private readonly ConcurrentDictionary<string, long> _eventsBySession = new(StringComparer.Ordinal);
private readonly Dictionary<string, long> _retryAttemptsByArea = new(StringComparer.OrdinalIgnoreCase);
private int _openSessions;
@@ -173,12 +174,9 @@ public sealed class GatewayMetrics : IDisposable
public void EventReceived(string sessionId, string family)
{
lock (_syncRoot)
{
_eventsReceived++;
Increment(_eventsByFamily, family);
Increment(_eventsBySession, sessionId);
}
Interlocked.Increment(ref _eventsReceived);
Increment(_eventsByFamily, family);
Increment(_eventsBySession, sessionId);
_eventsReceivedCounter.Add(
1,
@@ -225,10 +223,7 @@ public sealed class GatewayMetrics : IDisposable
public void RemoveSessionEvents(string sessionId)
{
lock (_syncRoot)
{
_eventsBySession.Remove(sessionId);
}
_eventsBySession.TryRemove(sessionId, out _);
}
public void QueueOverflow(string queueName)
@@ -296,7 +291,7 @@ public sealed class GatewayMetrics : IDisposable
CommandsStarted: _commandsStarted,
CommandsSucceeded: _commandsSucceeded,
CommandsFailed: _commandsFailed,
EventsReceived: _eventsReceived,
EventsReceived: Interlocked.Read(ref _eventsReceived),
QueueOverflows: _queueOverflows,
Faults: _faults,
WorkerKills: _workerKills,
@@ -359,4 +354,9 @@ public sealed class GatewayMetrics : IDisposable
values.TryGetValue(key, out long currentValue);
values[key] = currentValue + 1;
}
private static void Increment(ConcurrentDictionary<string, long> values, string key)
{
values.AddOrUpdate(key, 1, static (_, currentValue) => currentValue + 1);
}
}