void
rel_recvpkt (rel_t *r, packet_t *pkt, size_t n)
{
//fprintf(stderr, "\n******************receive!********************\n");
if (!check_valid(pkt, n)) return;
//fprintf(stderr, "\n******************pass check!********************\n");
int i = 0;
if (ntohs(pkt->len) == 8) {
// sender side
// receive ack
//fprintf(stderr, "\n******************Receive Ack ack:%d, LAR:%d!********************\n", ntohl(pkt->ackno), r->LAR);
if (ntohl(pkt->ackno) > r->LAR) {
for (i=r->LAR; i<ntohl(pkt->ackno); i++) {
r->sendState[i% r->window_size] = 1; // got ack
}
r->LAR = ntohl(pkt->ackno) - 1;
if (r->SEND_EOF) {
// receive ack of eof
r->EOF_ACKED = true;
}
rel_read(r);
}
} else if (ntohs(pkt->len) >= 12) {
// receiver side
if (recv_check(r, pkt)) {
if (ntohl(pkt->seqno) == r->LSR+1) {
// right seqno, output buffer and change LSR, LAS and recvState
if (ntohs(pkt->len) == 12) {
// receive EOF
r->RECV_EOF = true;
}
addPktToRWindow(r, pkt); // add to buffer first
rel_output(r);
} else if (ntohl(pkt->seqno) <= r->LSR) {
// old seqno, send current ack
send_ack(r);
} else {
addPktToRWindow(r, pkt); // add to buffer
}
} else {
send_ack(r);
}
}
}
void recvs2vector (char *snd, char *recvs, vector < string > &vec)
{
vec.clear ();
char buffer[TO_MAIL_ADDR_SIZE] = { 0 };
int j = 0;
char *p = recvs;
for (unsigned int i = 0; i <= strlen (recvs); i++)
{
if ((char) p[i] == RCPT_TOK || i == strlen (recvs))
{
buffer[j] = '\0';
if (buffer != NULL)
{
if (true == recv_check (buffer))
{
if (0 != same_domain_check (snd, buffer))
{
if (buffer[0] != '\0')
vec.push_back (string (buffer));
}
}
}
memset (&buffer, 0, TO_MAIL_ADDR_SIZE);
j = 0;
}
else if (i < strlen (recvs))
{
buffer[j] = p[i];
j++;
}
}
}
