void newpf( char *pfile)
{
elog_complain( 0, "Re-reading parameter file to get new settings..." );
initpf( pffile );
Packets == NULL; init_packets();
StaID == NULL; init_StaID();
StaCh == NULL; init_StaCh();
elog_complain( 0, "Done.\n");
return;
}
void do_client ()
{
struct ae_recv *packet;
int ret;
int pktsent = 0, ackrecv = 0;
init ();
setnetcardno (eth_myaddr);
/* set up pktring and get DPF filter for proper UDP packets */
xio_net_wrap_init (&nwinfo, malloc(32 * 4096), (32 * 4096));
printf ("getting dpf: dstportno %x (%d), srcportno %x (%d)\n", dstportno, dstportno, srcportno, srcportno);
ret = xio_net_wrap_getdpf_udp (&nwinfo, dstportno, srcportno);
assert (ret != -1);
init_packets ();
/* construct and send start packet */
setup_start_packet (outpkt, pktcnt, pktdata, ackfreq, ackdata);
printf ("sending packet: netcardno %d, dstportno %02x %02x, srcportno %02x %02x\n", netcardno, outpkt->r[0].data[36], outpkt->r[0].data[37], outpkt->r[0].data[34], outpkt->r[0].data[35]);
send_packet (netcardno, outpkt);
/* setup data packet */
setup_data_packet (outpkt);
/* get ack. start timer. */
//while ((packet = xio_net_wrap_getPacket(&nwinfo)) == NULL) ;
//xio_net_wrap_returnPacket (&nwinfo, packet);
//
//printf ("got ack\n");
/* send packets, and wait for acks when appropriate */
while (pktsent < pktcnt) {
#ifndef DIRECT_XMIT
((struct pkt *)outpkt->r[0].data)->id = pktsent;
#endif
send_packet (netcardno, outpkt);
pktsent++;
if ((ackfreq) && ((pktsent % ackfreq) == 0)) {
while ((packet = xio_net_wrap_getPacket(&nwinfo)) == NULL) ;
assert (packet->r[0].sz == max(64,(sizeof(struct pkt) + ackdata - 4)));
xio_net_wrap_returnPacket (&nwinfo, packet);
ackrecv++;
}
}
/* when sent "pktcnt" packets, get time send stop packet */
setup_stop_packet (outpkt);
send_packet (netcardno, outpkt);
/* print results */
printf ("packets sent %d (%d acks)\n", pktsent, ackrecv);
}
void do_server ()
{
struct ae_recv *packet;
int ret;
int pktrecv = 0;
int acksent = 0;
int gotstop = 0;
int printmismatch;
int adjust;
/* se up pktring and get DPF filter for proper UDP packets */
xio_net_wrap_init (&nwinfo, malloc(32 * 4096), (32 * 4096));
printf ("getting dpf: dstportno %x (%d), srcportno %x (%d)\n", dstportno, dstportno, -1, -1);
ret = xio_net_wrap_getdpf_udp (&nwinfo, dstportno, -1);
assert (ret != -1);
/* wait for start packet */
while ((packet = xio_net_wrap_getPacket(&nwinfo)) == NULL) ;
printf ("got packet: dstportno %02x %02x, srcportno %02x %02x\n", packet->r[0].data[36], packet->r[0].data[37], packet->r[0].data[34], packet->r[0].data[35]);
/* set up proper variables, send ack packet and start timer */
process_start_packet ((struct start_pkt *) packet->r[0].data);
setnetcardno (packet->r[0].data);
xio_net_wrap_returnPacket (&nwinfo, packet);
init_packets ();
setup_startack_packet (outpkt);
printf ("sending packet: netcardno %d, dstportno %02x %02x, srcportno %02x %02x\n", netcardno, outpkt->r[0].data[36], outpkt->r[0].data[37], outpkt->r[0].data[34], outpkt->r[0].data[35]);
send_packet (netcardno, outpkt);
/* get Packets, check their size, ack when appropriate */
printmismatch = 1;
adjust = 0;
while (pktrecv < pktcnt) {
while ((packet = xio_net_wrap_getPacket(&nwinfo)) == NULL) ;
if (is_stop_pkt (packet)) {
gotstop = 1;
break;
}
#ifndef DIRECT_XMIT
if ((printmismatch) && (((struct pkt *)packet->r[0].data)->id != (pktrecv+adjust))) {
//printf ("out of order packet: id %d, expected %d (adjust %d)\n", ((struct pkt *)packet->r[0].data)->id, pktrecv, adjust);
//printmismatch = 0;
adjust = ((struct pkt *)packet->r[0].data)->id - pktrecv;
}
#endif
assert (packet->r[0].sz == max(64,(sizeof(struct pkt) + pktdata - 4)));
xio_net_wrap_returnPacket (&nwinfo, packet);
pktrecv++;
if ((ackfreq) && ((pktrecv % ackfreq) == 0)) {
setup_dataack_packet (outpkt);
send_packet (netcardno, outpkt);
acksent++;
}
}
/* when stop packet received, get time */
/* print results */
printf ("packets received %d (acks %d) (gotstop %d)\n", pktrecv, acksent, gotstop);
}
