rework metrics

MareSynchronosServer/MareSynchronosShared/Metrics/MareMetrics.cs

@@ -0,0 +1,57 @@
+using MareSynchronosShared.Data;
+using Microsoft.Extensions.DependencyInjection;
+using Prometheus;
+
+namespace MareSynchronosShared.Metrics;
+
+public class MareMetrics
+{
+    public MareMetrics(List<string> countersToServe, List<string> gaugesToServe)
+    {
+        foreach(var counter in countersToServe)
+        {
+            counters.Add(counter, Prometheus.Metrics.CreateCounter(counter, counter));
+        }
+
+        foreach(var gauge in gaugesToServe)
+        {
+            gauges.Add(gauge, Prometheus.Metrics.CreateGauge(gauge, gauge));
+        }
+    }
+
+    private readonly Dictionary<string, Counter> counters = new(StringComparer.Ordinal);
+
+    private readonly Dictionary<string, Gauge> gauges = new(StringComparer.Ordinal);
+
+    public void SetGaugeTo(string gaugeName, double value)
+    {
+        if (gauges.ContainsKey(gaugeName))
+        {
+            gauges[gaugeName].IncTo(value);
+        }
+    }
+
+    public void IncGauge(string gaugeName, double value = 1.0)
+    {
+        if (gauges.ContainsKey(gaugeName))
+        {
+            gauges[gaugeName].Inc(value);
+        }
+    }
+
+    public void DecGauge(string gaugeName, double value = 1.0)
+    {
+        if (gauges.ContainsKey(gaugeName))
+        {
+            gauges[gaugeName].Dec(value);
+        }
+    }
+
+    public void IncCounter(string counterName, double value = 1.0)
+    {
+        if (counters.ContainsKey(counterName))
+        {
+            counters[counterName].Inc(value);
+        }
+    }
+}

MareSynchronosServer/MareSynchronosShared/Metrics/MetricsAPI.cs

@@ -8,6 +8,7 @@ public class MetricsAPI
     public const string GaugeAvailableWorkerThreads = "mare_available_threadpool";
     public const string GaugeAvailableIOWorkerThreads = "mare_available_threadpool_io";
     public const string GaugeUsersRegistered = "mare_users_registered";
+    public const string CounterUsersRegisteredDeleted = "mare_users_registered_deleted";
     public const string GaugePairs = "mare_pairs";
     public const string GaugePairsPaused = "mare_pairs_paused";
     public const string GaugeFilesTotal = "mare_files";

MareSynchronosServer/MareSynchronosShared/Protos/mareservices.proto

@@ -10,13 +10,6 @@ service AuthService {
   rpc ClearUnauthorized (Empty) returns (Empty);
 }
 
-service MetricsService {
-	rpc IncreaseCounter (IncreaseCounterRequest) returns (Empty);
-	rpc SetGauge (SetGaugeRequest) returns (Empty);
-	rpc DecGauge (GaugeRequest) returns (Empty);
-	rpc IncGauge (GaugeRequest) returns (Empty);
-}
-
 service FileService {
 	rpc UploadFile (UploadFileRequest) returns (Empty);
 	rpc GetFileSizes (FileSizeRequest) returns (FileSizeResponse);
@@ -43,21 +36,6 @@ message FileSizeResponse {
 	map<string, int64> hashToFileSize = 1;
 }
 
-message GaugeRequest {
-	string gaugeName = 1;
-	double value = 2;
-}
-
-message SetGaugeRequest {
-	string gaugeName = 1;
-	double value = 2;
-}
-
-message IncreaseCounterRequest {
-	string counterName = 1;
-	double value = 2;
-}
-
 message RemoveAuthRequest {
 	string uid = 1;
 }