void VerifySettingsFrame()
{
VerifyNotProcessingHeaders();
VerifyPayloadLength(_payloadLength);
if (_streamId != 0)
{
ThrowHelper.ThrowConnectionError_AStreamIDMustBeZero();
}
if (_flags.Ack() && _payloadLength > 0)
{
ThrowHelper.ThrowConnectionError_AckSettingsFrameMustHaveAnEmptyPayload();
}
if (_payloadLength % Http2CodecUtil.SettingEntryLength > 0)
{
ThrowHelper.ThrowConnectionError_InvalidFrameLength(_payloadLength);
}
}