/*
* Construction et envoie d'une trame de données ou d'une trame ACK ou NAK
*/
private void _envoyerTrame(TypeTrame typeTrame, uint noTrame, uint noTrameAttendue, Paquet[] tampon)
{
Trame s = new Trame(); /* variable scratch */
/* Préparer la trame */
s.Type = typeTrame;
if (typeTrame == TypeTrame.data)
{
s.Info = tampon[noTrame % Constants.NB_BUFS];
}
s.NoSequence = noTrame;
s.ACK = (noTrameAttendue + Constants.MAX_SEQ) % (Constants.MAX_SEQ + 1);
if (typeTrame == TypeTrame.nak)
{
noNAK = false; /* Un seul NAK par trame svp */
}
/* Transmission de la trame */
_versCouchePhysique(s);
if (typeTrame == TypeTrame.data)
{
/* Armement du Timer */
this.m_chrono.PartirChrono(noTrame);
}
this.m_ackTimer.StopACKTimer();
}
public Trame(byte noSeq, byte typeTrame, byte[] data)
{
/*New constructor to build a trame from its binrep coming form physical layer*/
_taille = Constants.N;
NoSequence = Convert.ToUInt32(noSeq);
TypeTrame ty = (TypeTrame)Convert.ToUInt32(typeTrame);
Type = ty;
Paquet pq = new Paquet();
pq.Buffer = data;
Info = pq;
}
/// <summary>
///
/// </summary>
/// <param name="typeTrame"></param>
/// <param name="noTrame"></param>/
/// <param name="noTrameAttendue"></param>
/// <param name="tampon"></param>
/*
* Construction et envoie d'une trame de données ou d'une trame ACK ou NAK
*/
private void _envoyerTrame(TypeTrame typeTrame, uint noTrame, uint noTrameAttendue, Paquet[] tampon)
{
/*Preparation de la trame a envoyer*/
Trame s = new Trame(); /* variable scratch */
/* Préparer la trame */
s.Type = typeTrame;
if (typeTrame == TypeTrame.data)
{
s.Info = tampon[noTrame % Constants.NB_BUFS];
}
s.NoSequence = noTrame;
//This yeild s.ACK = 7. Why ACK==7?
//Should ACK be carried with the trame? I would rather keep track of trames
//ACKed and not ACKed in LLC, not in the trame itself?
s.ACK = (noTrameAttendue + Constants.MAX_SEQ) % (Constants.MAX_SEQ + 1);
if (typeTrame == TypeTrame.nak)
{
noNAK = false; /* Un seul NAK par trame svp */
}
/* Transmission de la trame */
_versCouchePhysique(s);
if (typeTrame == TypeTrame.data)
{
/* Armement du Timer */
this.m_chrono.PartirChrono(noTrame);
}
this.m_ackTimer.StopACKTimer();
//Logging
string log_str = "_envoyerTrame from Thread.Name: " + Thread.CurrentThread.Name + " for noTrame: " + s.ToString();
Logging.log(TypeConsolePrint.SendingPath, log_str);
}
