/// <summary>
/// Writes the data frame.
/// If flow control manager has blocked stream, frames are adding to the unshippedFrames collection.
/// After window update for that stream they will be delivered.
/// </summary>
/// <param name="data">The data.</param>
/// <param name="isEndStream">if set to <c>true</c> [is fin].</param>
public void WriteDataFrame(byte[] data, bool isEndStream)
{
var dataFrame = new DataFrame(_id, new ArraySegment <byte>(data), isEndStream);
if (IsFlowControlBlocked == false)
{
_writeQueue.WriteFrame(dataFrame);
SentDataAmount += dataFrame.FrameLength;
_flowCrtlManager.DataFrameSentHandler(this, new DataFrameSentEventArgs(dataFrame));
if (dataFrame.IsEndStream)
{
Http2Logger.LogDebug("Transfer end");
EndStreamSent = true;
}
if (OnFrameSent != null)
{
OnFrameSent(this, new FrameSentArgs(dataFrame));
}
}
else
{
_unshippedFrames.Enqueue(dataFrame);
}
}
/// <summary>
/// Writes the data frame.
/// If flow control manager has blocked stream, frames are adding to the unshippedFrames collection.
/// After window update for that stream they will be delivered.
/// </summary>
/// <param name="data">The data.</param>
/// <param name="isEndStream">if set to <c>true</c> [is fin].</param>
public void WriteDataFrame(ArraySegment <byte> data, bool isEndStream)
{
if (data.Array == null)
{
throw new ArgumentNullException("data is null");
}
if (Closed)
{
return;
}
var dataFrame = new DataFrame(_id, data, isEndStream, true);
Http2Logger.LogDebug(
"Sending DATA frame: stream id={0}, payload len={1}, has pad={2}, pad high={3}, pad low={4}, " +
"end stream={5}", dataFrame.StreamId, dataFrame.PayloadLength,
dataFrame.HasPadding, dataFrame.PadHigh, dataFrame.PadLow, dataFrame.IsEndStream);
//We cant let lesser frame that were passed through flow control window
//be sent before greater frames that were not passed through flow control window
//09 -> 6.9.1. The Flow Control Window
//The sender MUST NOT
//send a flow controlled frame with a length that exceeds the space
//available in either of the flow control windows advertised by the receiver.
if (_unshippedFrames.Count != 0 || WindowSize - dataFrame.Data.Count < 0)
{
_unshippedFrames.Enqueue(dataFrame);
return;
}
if (!IsFlowControlBlocked)
{
_writeQueue.WriteFrame(dataFrame);
SentDataAmount += dataFrame.Data.Count;
_flowCrtlManager.DataFrameSentHandler(this, new DataFrameSentEventArgs(dataFrame));
if (dataFrame.IsEndStream)
{
Http2Logger.LogDebug("Transfer end");
Http2Logger.LogDebug("Sent bytes: {0}", SentDataAmount);
HalfClosedLocal = true;
}
if (OnFrameSent != null)
{
OnFrameSent(this, new FrameSentEventArgs(dataFrame));
}
}
else
{
_unshippedFrames.Enqueue(dataFrame);
}
}
