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refactor sonar, remove global vars so it can run multiple sonar at a time

This commit is contained in:
Seven Du 2013-09-27 06:13:05 +08:00
parent 17bd89c2a5
commit 33acb29a5b
1 changed files with 44 additions and 30 deletions
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70
src/mod/applications/mod_sonar/mod_sonar.c
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@ -58,27 +58,38 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_sonar_load);
*/ */
SWITCH_MODULE_DEFINITION(mod_sonar, mod_sonar_load, mod_sonar_shutdown, NULL); SWITCH_MODULE_DEFINITION(mod_sonar, mod_sonar_load, mod_sonar_shutdown, NULL);
switch_time_t start, end, diff;
int samples[1024]; struct sonar_ping_helper_s {
int received; switch_time_t start, end, diff;
int sum, min, max = 0; int samples[1024];
int received;
int sum, min, max;
};
typedef struct sonar_ping_helper_s sonar_ping_helper_t;
switch_bool_t sonar_ping_callback(switch_core_session_t *session, const char *app, const char *app_data){ switch_bool_t sonar_ping_callback(switch_core_session_t *session, const char *app, const char *app_data){
switch_channel_t *channel = switch_core_session_get_channel(session);
sonar_ping_helper_t *ph = switch_channel_get_private(channel, "__sonar_ping__");
int diff;
if ( end ) { if (!ph) return SWITCH_TRUE;
if ( ph->end ) {
return SWITCH_TRUE; return SWITCH_TRUE;
} }
end = switch_time_now();
diff = end - start;
start = 0; ph->end = switch_time_now();
diff = ph->end - ph->start;
ph->start = 0;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Sonar ping took %ld milliseconds\n", (long)diff / 1000); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Sonar ping took %ld milliseconds\n", (long)diff / 1000);
diff /= 1000; diff /= 1000;
sum += diff; ph->sum += diff;
max = MAX(max, diff); ph->max = MAX(ph->max, diff);
min = MIN(min, diff); ph->min = MIN(ph->min, diff);
samples[received++] = diff; ph->samples[ph->received++] = diff;
return SWITCH_TRUE; return SWITCH_TRUE;
} }
@ -92,7 +103,9 @@ SWITCH_STANDARD_APP(sonar_app)
int lost = 0; int lost = 0;
int x; int x;
int avg = 0, mdev = 0; int avg = 0, mdev = 0;
int sum2;
switch_event_t *event; switch_event_t *event;
sonar_ping_helper_t ph = { 0 };
if (zstr(arg)) { if (zstr(arg)) {
loops = 5; loops = 5;
@ -108,6 +121,7 @@ SWITCH_STANDARD_APP(sonar_app)
switch_channel_answer(channel); switch_channel_answer(channel);
switch_ivr_sleep(session, 1000, SWITCH_FALSE, NULL); switch_ivr_sleep(session, 1000, SWITCH_FALSE, NULL);
switch_channel_set_private(channel, "__sonar_ping__", &ph);
switch_ivr_tone_detect_session(session, switch_ivr_tone_detect_session(session,
"ping", "1004", "ping", "1004",
@ -116,13 +130,13 @@ SWITCH_STANDARD_APP(sonar_app)
switch_ivr_sleep(session, 1000, SWITCH_FALSE, NULL); switch_ivr_sleep(session, 1000, SWITCH_FALSE, NULL);
received = 0; sum = 0; max = 0; min = 999999; ph.min = 999999;
for( x = 0; x < loops; x++ ) { for( x = 0; x < loops; x++ ) {
end = 0; ph.end = 0;
start = switch_time_now(); ph.start = switch_time_now();
switch_ivr_gentones(session, tone, 1, NULL); switch_ivr_gentones(session, tone, 1, NULL);
switch_ivr_sleep(session, 2000, SWITCH_FALSE, NULL); switch_ivr_sleep(session, 2000, SWITCH_FALSE, NULL);
if ( start ) { if ( ph.start ) {
lost++; lost++;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Lost sonar ping\n"); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Lost sonar ping\n");
} }
@ -136,32 +150,32 @@ SWITCH_STANDARD_APP(sonar_app)
return; return;
} }
if (received + lost != loops) { if (ph.received + lost != loops) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Race happend %d + %d != %d\n", received, lost, loops); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Race happend %d + %d != %d\n", ph.received, lost, loops);
} }
if (received > 0) avg = sum / received; if (ph.received > 0) avg = ph.sum / ph.received;
sum = 0; sum2 = 0;
for(x = 0; x < received; x++) { for(x = 0; x < ph.received; x++) {
sum += (samples[x] - avg) * (samples[x] - avg); sum2 += (ph.samples[x] - avg) * (ph.samples[x] - avg);
} }
if (received > 1) { if (ph.received > 1) {
mdev = sqrt(sum / (received - 1)); mdev = sqrt(sum2 / (ph.received - 1));
} }
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO,
"Sonar Ping (in ms): min:%d max:%d avg:%d mdev:%d sent:%d recv: %d lost:%d lost/send:%2.2f%%\n", "Sonar Ping (in ms): min:%d max:%d avg:%d mdev:%d sent:%d recv: %d lost:%d lost/send:%2.2f%%\n",
min, max, avg, mdev, loops, received, lost, lost * 1.0 / loops); ph.min, ph.max, avg, mdev, loops, ph.received, lost, lost * 1.0 / loops);
if (switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, "sonar::ping") == SWITCH_STATUS_SUCCESS) { if (switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, "sonar::ping") == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_min", "%d", min); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_min", "%d", ph.min);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_max", "%d", max); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_max", "%d", ph.max);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_avg", "%d", avg); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_avg", "%d", avg);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_mdev", "%d", mdev); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_mdev", "%d", mdev);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_sent", "%d", loops); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_sent", "%d", loops);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_recv", "%d", received); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_recv", "%d", ph.received);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_lost", "%d", lost); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "ping_lost", "%d", lost);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "lost_rate", "%2.2f%%", lost * 1.0 / loops); switch_event_add_header(event, SWITCH_STACK_BOTTOM, "lost_rate", "%2.2f%%", lost * 1.0 / loops);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "destination_number", switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "destination_number",