private void HandlePingFrame(PingFrame pingFrame)
{
Http2Logger.LogDebug("Ping frame with StreamId:{0} Payload:{1}", pingFrame.StreamId,
pingFrame.Payload.Count);
if (pingFrame.FrameLength != PingFrame.PayloadLength)
{
throw new ProtocolError(ResetStatusCode.ProtocolError, "Ping payload size is not equal to 8");
}
if (pingFrame.IsPong)
{
_pingReceived.Set();
}
else
{
var pongFrame = new PingFrame(true, pingFrame.Payload.ToArray());
_writeQueue.WriteFrame(pongFrame);
}
}
/// <summary>
/// Pings session.
/// </summary>
/// <returns></returns>
public TimeSpan Ping()
{
var pingFrame = new PingFrame(false);
_writeQueue.WriteFrame(pingFrame);
var now = DateTime.UtcNow;
if (!_pingReceived.WaitOne(3000))
{
//Remote endpoint was not answer at time.
Dispose();
}
_pingReceived.Reset();
var newNow = DateTime.UtcNow;
Http2Logger.LogDebug("Ping: " + (newNow - now).Milliseconds);
return newNow - now;
}
private void HandlePingFrame(PingFrame pingFrame)
{
//09 -> 6.7. PING
//PING frames are not associated with any individual stream. If a PING
//frame is received with a stream identifier field value other than
//0x0, the recipient MUST respond with a connection error
//(Section 5.4.1) of type PROTOCOL_ERROR.
if (pingFrame.StreamId != 0)
{
throw new ProtocolError(ResetStatusCode.ProtocolError,
"Incoming ping frame with id != 0");
}
Http2Logger.LogDebug("Ping frame with StreamId:{0} Payload:{1}", pingFrame.StreamId,
pingFrame.Payload.Count);
if (pingFrame.FrameLength != PingFrame.PayloadLength)
{
throw new ProtocolError(ResetStatusCode.ProtocolError, "Ping payload size is not equal to 8");
}
if (pingFrame.IsAck)
{
_pingReceived.Set();
}
else
{
var pingAckFrame = new PingFrame(true, pingFrame.Payload.ToArray());
_writeQueue.WriteFrame(pingAckFrame);
}
}
