use Stopwatch.GetElapsedTime directly

WeihanLi · web-flow · commit 6f0d575f8da3 · 2024-10-23T11:43:01.000+08:00
diff --git a/src/RedisRateLimiting/Concurrency/RedisConcurrencyRateLimiter.cs b/src/RedisRateLimiting/Concurrency/RedisConcurrencyRateLimiter.cs
@@ -11,8 +11,6 @@ namespace RedisRateLimiting
 {
     public class RedisConcurrencyRateLimiter<TKey> : RateLimiter
     {
-        private static readonly double TickFrequency = (double)TimeSpan.TicksPerSecond / Stopwatch.Frequency;
-
         private readonly RedisConcurrencyManager _redisManager;
         private readonly RedisConcurrencyRateLimiterOptions _options;
         private readonly ConcurrentQueue<Request> _queue = new();
@@ -28,7 +26,7 @@ public class RedisConcurrencyRateLimiter<TKey> : RateLimiter
 
         public override TimeSpan? IdleDuration => Interlocked.CompareExchange(ref _activeRequestsCount, 0, 0) > 0
             ? null
-            : new TimeSpan((long)((Stopwatch.GetTimestamp() - _idleSince) * TickFrequency));
+            : Stopwatch.GetElapsedTime(_idleSince);
 
         public RedisConcurrencyRateLimiter(TKey partitionKey, RedisConcurrencyRateLimiterOptions options)
         {

Original file line number	Diff line number	Diff line change
`@@ -11,8 +11,6 @@ namespace RedisRateLimiting`
`11`	`11`	`{`
`12`	`12`	`public class RedisConcurrencyRateLimiter<TKey> : RateLimiter`
`13`	`13`	`{`
`14`		`- private static readonly double TickFrequency = (double)TimeSpan.TicksPerSecond / Stopwatch.Frequency;`
`15`		`-`
`16`	`14`	`private readonly RedisConcurrencyManager _redisManager;`
`17`	`15`	`private readonly RedisConcurrencyRateLimiterOptions _options;`
`18`	`16`	`private readonly ConcurrentQueue<Request> _queue = new();`
`@@ -28,7 +26,7 @@ public class RedisConcurrencyRateLimiter<TKey> : RateLimiter`
`28`	`26`
`29`	`27`	`public override TimeSpan? IdleDuration => Interlocked.CompareExchange(ref _activeRequestsCount, 0, 0) > 0`
`30`	`28`	`? null`
`31`		`- : new TimeSpan((long)((Stopwatch.GetTimestamp() - _idleSince) * TickFrequency));`
	`29`	`+ : Stopwatch.GetElapsedTime(_idleSince);`
`32`	`30`
`33`	`31`	`public RedisConcurrencyRateLimiter(TKey partitionKey, RedisConcurrencyRateLimiterOptions options)`
`34`	`32`	`{`