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dotnet · Mar 7, 2019 · 7104b76 · 7104b76
1 parent f9a44b4
commit 7104b76
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/src/Servers/Kestrel/Core/src/Internal/Http2/Http2MessageBody.cs b/src/Servers/Kestrel/Core/src/Internal/Http2/Http2MessageBody.cs
@@ -14,7 +14,7 @@ public class Http2MessageBody : MessageBody
     {
         private readonly Http2Stream _context;
         private ReadResult _readResult;
-        private long _totalExaminedInPreviousReadResult;
+        private long _alreadyExaminedInNextReadResult;
 
         private Http2MessageBody(Http2Stream context, MinDataRate minRequestBodyDataRate)
             : base(context, minRequestBodyDataRate)
@@ -92,21 +92,21 @@ public override void AdvanceTo(SequencePosition consumed, SequencePosition exami
             }
             else 
             {
-                examinedLength = _readResult.Buffer.Slice(_readResult.Buffer.Start, examined).Length;
                 consumedLength = _readResult.Buffer.Slice(_readResult.Buffer.Start, consumed).Length;
+                examinedLength = consumedLength + _readResult.Buffer.Slice(consumed, examined).Length;
             }
 
             _context.RequestBodyPipe.Reader.AdvanceTo(consumed, examined);
 
-            var newlyExamined = examinedLength - _totalExaminedInPreviousReadResult;
+            var newlyExamined = examinedLength - _alreadyExaminedInNextReadResult;
 
             if (newlyExamined > 0)
             {
                 OnDataRead(newlyExamined);
-                _totalExaminedInPreviousReadResult += newlyExamined;
+                _alreadyExaminedInNextReadResult += newlyExamined;
             }
 
-            _totalExaminedInPreviousReadResult -= consumedLength;
+            _alreadyExaminedInNextReadResult -= consumedLength;
         }
 
         public override bool TryRead(out ReadResult readResult)