public async ValueTask <NetSendState> FlushSendBuffer()
{
if (!Socket.Connected)
{
return(NetSendState.Closed);
}
var sendBuffer = SendBuffer;
int length = (int)sendBuffer.Length;
if (length > 0)
{
int left = length;
int block = 0;
while (left > 0)
{
var buffer = sendBuffer.GetBlock(block);
int blockLength = Math.Min(sendBuffer.BlockSize, left);
var data = buffer.Slice(0, blockLength);
int write = await Socket.SendAsync(data, SocketFlags.None).ConfigureAwait(false);
if (write == 0)
{
Close(immediate: false);
return(NetSendState.Closing);
}
BytesSent += write;
left -= write;
block++;
}
SendBuffer.TrimStart(length);
}
return(NetSendState.FullSend);
}