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add session heartbeat feature

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9882 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
2008-10-07 21:03:37 +00:00
parent 1d9f205098
commit fc0c89c642
7 changed files with 76 additions and 0 deletions
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36
src/switch_core_io.c
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@@ -106,6 +106,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(switch_core_sessi
switch_status_t status;
int need_codec, perfect, do_bugs = 0, do_resample = 0, is_cng = 0;
unsigned int flag = 0;
switch_event_header_t *hi;
switch_assert(session != NULL);
@@ -122,6 +123,41 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(switch_core_sessi
*frame = NULL;
if (session->read_codec && session->track_duration) {
if (session->read_frame_count == 0) {
switch_event_t *event;
session->read_frame_count = (session->read_codec->implementation->samples_per_second /
session->read_codec->implementation->samples_per_frame) * session->track_duration;
switch_event_create(&event, SWITCH_EVENT_SESSION_HEARTBEAT);
switch_channel_event_set_data(session->channel, event);
if (!switch_channel_test_flag(session->channel, CF_VERBOSE_EVENTS)) {
if ((hi = switch_channel_variable_first(session->channel))) {
for (; hi; hi = hi->next) {
char buf[1024] = "";
char *vvar = NULL, *vval = NULL;
if (strncasecmp(hi->name, "hb_", 3)) {
continue;
}
vvar = (char *) hi->name;
vval = (char *) hi->value;
switch_assert(vvar && vval);
switch_snprintf(buf, sizeof(buf), "variable_%s", vvar);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, buf, vval);
}
switch_channel_variable_last(session->channel);
}
}
switch_event_fire(&event);
} else {
session->read_frame_count--;
}
}
if (switch_channel_test_flag(session->channel, CF_HOLD)) {
status = SWITCH_STATUS_BREAK;
goto even_more_done;