sendProbe method
Sends a probe packet to elicit an ACK. The probe packet contains a PING frame.
Implementation
void sendProbe(ConnectionId destCid, ConnectionId srcCid, int destId, int srcId) {
final probePacket = UDXPacket(
destinationCid: destCid,
sourceCid: srcCid,
destinationStreamId: destId,
sourceStreamId: srcId,
sequence: nextSequence, // Use a new sequence number
frames: [PingFrame()],
);
onSendProbe?.call(probePacket);
}