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Fix counting of packets in transmit queue.

This commit is contained in:
wb2osz 2019-01-06 12:04:02 -05:00
parent 1a2de05e71
commit a46471bf36
1 changed files with 31 additions and 6 deletions
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35
tq.c
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@ -930,11 +930,17 @@ static int tq_is_empty (int chan)
* *
*--------------------------------------------------------------------*/ *--------------------------------------------------------------------*/
//#define DEBUG2 1
int tq_count (int chan, int prio, char *source, char *dest, int bytes) int tq_count (int chan, int prio, char *source, char *dest, int bytes)
{ {
packet_t pp;
int n; #if DEBUG2
text_color_set(DW_COLOR_DEBUG);
dw_printf ("tq_count(chan=%d, prio=%d, source=\"%s\", dest=\"%s\", bytes=%d)\n", chan, prio, source, dest, bytes);
#endif
if (prio == -1) { if (prio == -1) {
return (tq_count(chan, TQ_PRIO_0_HI, source, dest, bytes) return (tq_count(chan, TQ_PRIO_0_HI, source, dest, bytes)
@ -950,6 +956,10 @@ int tq_count (int chan, int prio, char *source, char *dest, int bytes)
} }
if (queue_head[chan][prio] == 0) { if (queue_head[chan][prio] == 0) {
#if DEBUG2
text_color_set(DW_COLOR_DEBUG);
dw_printf ("tq_count: queue chan %d, prio %d is empty, returning 0.\n", chan, prio);
#endif
return (0); return (0);
} }
@ -957,19 +967,33 @@ int tq_count (int chan, int prio, char *source, char *dest, int bytes)
dw_mutex_lock (&tq_mutex); dw_mutex_lock (&tq_mutex);
n = 0; int n = 0; // Result. Number of bytes or packets.
pp = queue_head[chan][prio]; packet_t pp = queue_head[chan][prio];;
while (pp != NULL) { while (pp != NULL) {
if (ax25_get_num_addr(pp) >= AX25_MIN_ADDRS) {
// Consider only real packets.
int count_it = 1; int count_it = 1;
if (source != NULL && *source != '\0') { if (source != NULL && *source != '\0') {
char frame_source[AX25_MAX_ADDR_LEN]; char frame_source[AX25_MAX_ADDR_LEN];
ax25_get_addr_with_ssid (pp, AX25_SOURCE, frame_source); ax25_get_addr_with_ssid (pp, AX25_SOURCE, frame_source);
#if DEBUG2
// I'm cringing at the thought of printing while in a critical region. But it's only for temp debug. :-(
text_color_set(DW_COLOR_DEBUG);
dw_printf ("tq_count: compare to frame source %s\n", frame_source);
#endif
if (strcmp(source,frame_source) != 0) count_it = 0; if (strcmp(source,frame_source) != 0) count_it = 0;
} }
if (count_it && dest != NULL && *dest != '\0') { if (count_it && dest != NULL && *dest != '\0') {
char frame_dest[AX25_MAX_ADDR_LEN]; char frame_dest[AX25_MAX_ADDR_LEN];
ax25_get_addr_with_ssid (pp, AX25_DESTINATION, frame_dest); ax25_get_addr_with_ssid (pp, AX25_DESTINATION, frame_dest);
#if DEBUG2
// I'm cringing at the thought of printing while in a critical region. But it's only for debug debug. :-(
text_color_set(DW_COLOR_DEBUG);
dw_printf ("tq_count: compare to frame destination %s\n", frame_dest);
#endif
if (strcmp(dest,frame_dest) != 0) count_it = 0; if (strcmp(dest,frame_dest) != 0) count_it = 0;
} }
@ -981,12 +1005,13 @@ int tq_count (int chan, int prio, char *source, char *dest, int bytes)
n++; n++;
} }
} }
}
pp = ax25_get_nextp(pp); pp = ax25_get_nextp(pp);
} }
dw_mutex_unlock (&tq_mutex); dw_mutex_unlock (&tq_mutex);
#if DEBUG #if DEBUG2
text_color_set(DW_COLOR_DEBUG); text_color_set(DW_COLOR_DEBUG);
dw_printf ("tq_count(%d, %d, \"%s\", \"%s\", %d) returns %d\n", chan, prio, source, dest, bytes, n); dw_printf ("tq_count(%d, %d, \"%s\", \"%s\", %d) returns %d\n", chan, prio, source, dest, bytes, n);
#endif #endif