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TMXR: Add counter of stalled transmits.

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- Don't count stalls as drops since they can be retried
- Count stalls, which probably are rare on network connections but can
   happen more frequently on serial port connections.
This commit is contained in:
Mark Pizzolato 2017-11-10 19:35:07 -08:00
parent 8551a2d477
commit a8010f6fdb
2 changed files with 6 additions and 3 deletions
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8
sim_tmxr.c
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@ -464,7 +464,7 @@ lp->dstb = 0; /* default bin mode */
lp->rxbpr = lp->rxbpi = lp->rxcnt = lp->rxpcnt = 0; /* init receive indexes */
if (!lp->txbfd || lp->notelnet) /* if not buffered telnet */
lp->txbpr = lp->txbpi = lp->txcnt = lp->txpcnt = 0; /* init transmit indexes */
lp->txdrp = 0;
lp->txdrp = lp->txstall = 0;
tmxr_set_get_modem_bits (lp, 0, 0, NULL);
if ((!lp->mp->buffered) && (!lp->txbfd)) {
lp->txbfd = 0;
@ -532,7 +532,7 @@ if ((!lp->notelnet) || (sim_switches & SWMASK ('V'))) {
if (!mp->buffered) {
lp->txbpi = 0; /* init buf pointers */
lp->txbpr = (int32)(lp->txbsz - strlen (msgbuf));
lp->rxcnt = lp->txcnt = lp->txdrp = 0; /* init counters */
lp->rxcnt = lp->txcnt = lp->txdrp = lp->txstall = 0;/* init counters */
lp->rxpcnt = lp->txpcnt = 0;
}
else
@ -2072,7 +2072,7 @@ if ((lp->txbfd && !lp->notelnet) || (TXBUF_AVAIL(lp) > 1)) {/* room for char (+
}
return SCPE_OK; /* char sent */
}
++lp->txdrp; lp->xmte = 0; /* no room, dsbl line */
++lp->txstall; lp->xmte = 0; /* no room, dsbl line */
return SCPE_STALL; /* char not sent */
}
@ -4405,6 +4405,8 @@ if (lp->txcnt || lp->txbpi)
((lp->txcnt > 0) && (lp->txcnt > lp->txbsz)) ? lp->txbsz : lp->txbpi);
if (lp->txdrp)
fprintf (st, " dropped = %d\n", lp->txdrp);
if (lp->txstall)
fprintf (st, " stalled = %d\n", lp->txstall);
return;
}

1
sim_tmxr.h
View file

@ -153,6 +153,7 @@ struct tmln {
int32 txcnt; /* xmt count */
int32 txpcnt; /* xmt packet count */
int32 txdrp; /* xmt drop count */
int32 txstall; /* xmt stall count */
int32 txbsz; /* xmt buffer size */
int32 txbfd; /* xmt buffered flag */
t_bool modem_control; /* line supports modem control behaviors */