onPacketSent method

@override void onPacketSent(int packetNumber, int size)

Register a packet as sent (adds to bytes_in_flight).

Callers MUST only account in-flight packets (those containing ack-eliciting frames). Per RFC 9000 Errata 8240, CONNECTION_CLOSE frames do not count.

Implementation

@override
void onPacketSent(int packetNumber, int size) {
  // SECURITY: Reject negative byte counts.
  if (size < 0) size = 0;
  _bytesInFlight += size;
  // Exit app-limited when cwnd is fully utilized.
  if (_bytesInFlight >= _congestionWindow) {
    _appLimited = false;
  }
}