protected Task SendPingAsync(Http2PingFrameFlags flags)
{
var pingFrame = new Http2Frame(Http2Limits.MinAllowedMaxFrameSize);
pingFrame.PreparePing(flags);
return(SendAsync(pingFrame.Raw));
}
protected Task SendPingAsync(Http2PingFrameFlags flags)
{
var pingFrame = new Http2Frame();
pingFrame.PreparePing(flags);
return(SendAsync(pingFrame.Raw));
}
internal Task SendPingAsync(Http2PingFrameFlags flags)
{
var outputWriter = _pair.Application.Output;
var pingFrame = new Http2Frame();
pingFrame.PreparePing(flags);
WriteHeader(pingFrame, outputWriter);
return(SendAsync(new byte[8])); // Empty payload
}
public Task WritePingAsync(Http2PingFrameFlags flags, ReadOnlySpan <byte> payload)
{
lock (_writeLock)
{
_outgoingFrame.PreparePing(Http2PingFrameFlags.ACK);
payload.CopyTo(_outgoingFrame.Payload);
return(WriteAsync(_outgoingFrame.Raw));
}
}
/* https://tools.ietf.org/html/rfc7540#section-6.7
+---------------------------------------------------------------+
| |
| Opaque Data (64) |
| |
+---------------------------------------------------------------+
*/
public Task WritePingAsync(Http2PingFrameFlags flags, ReadOnlySequence <byte> payload)
{
lock (_writeLock)
{
if (_completed)
{
return(Task.CompletedTask);
}
_outgoingFrame.PreparePing(Http2PingFrameFlags.ACK);
Debug.Assert(payload.Length == _outgoingFrame.PayloadLength); // 8
WriteHeaderUnsynchronized();
foreach (var segment in payload)
{
_outputWriter.Write(segment.Span);
}
return(TimeFlushUnsynchronizedAsync());
}
}