Set AttemptedBytesRead in AbstractSocketByteChannel

Author: yyjdelete

src/DotNetty.Transport/Channels/Sockets/AbstractSocketByteChannel.cs

@@ -103,7 +103,7 @@ public override void FinishRead(SocketChannelAsyncOperation operation)
                     do
                     {
                         byteBuf = allocHandle.Allocate(allocator);
-                        //int writable = byteBuf.WritableBytes;
+                        allocHandle.AttemptedBytesRead = byteBuf.WritableBytes;
                         allocHandle.LastBytesRead = ch.DoReadBytes(byteBuf);
                         if (allocHandle.LastBytesRead <= 0)
                         {
@@ -363,4 +363,4 @@ protected bool IncompleteWrite(bool scheduleAsync, SocketChannelAsyncOperation o
         /// <returns>The number of bytes that were written from the buffer.</returns>
         protected abstract int DoWriteBytes(IByteBuffer buf);
     }
-}
+}