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add generic keepalive system and implement it in sofia to send MESSAGE or INFO packets in-dialog at specified interval.

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Adds app: enable_keepalive 0|<seconds>
This app can be run in the dialplan or with execute_on_* type variables for B-legs.

Adds sofia param: keepalive-method  : defaults to MESSAGE can also be "INFO"
This param sets which SIP method to use.
This commit is contained in:
Anthony Minessale
2014-04-16 06:02:44 +05:00
parent ae69c5a7b0
commit a4a792488b
7 changed files with 82 additions and 1 deletions
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src/mod/endpoints/mod_sofia/mod_sofia.c
+32
View File
@@ -1124,6 +1124,38 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
/* ones that do not need to lock sofia mutex */
switch (msg->message_id) {
case SWITCH_MESSAGE_INDICATE_KEEPALIVE:
{
if (msg->numeric_arg) {
sofia_set_flag_locked(tech_pvt, TFLAG_KEEPALIVE);
} else {
sofia_clear_flag_locked(tech_pvt, TFLAG_KEEPALIVE);
}
}
break;
case SWITCH_MESSAGE_HEARTBEAT_EVENT:
{
char pl[160] = "";
switch_snprintf(pl, sizeof(pl), "KEEP-ALIVE %d\n", ++tech_pvt->keepalive);
if (sofia_test_flag(tech_pvt, TFLAG_KEEPALIVE)) {
if (tech_pvt->profile->keepalive == KA_MESSAGE) {
nua_message(tech_pvt->nh,
SIPTAG_CONTENT_TYPE_STR("text/plain"),
TAG_IF(!zstr(tech_pvt->user_via), SIPTAG_VIA_STR(tech_pvt->user_via)),
SIPTAG_PAYLOAD_STR(pl),
TAG_END());
} else if (tech_pvt->profile->keepalive == KA_INFO) {
nua_info(tech_pvt->nh,
SIPTAG_CONTENT_TYPE_STR("text/plain"),
TAG_IF(!zstr(tech_pvt->user_via), SIPTAG_VIA_STR(tech_pvt->user_via)),
SIPTAG_PAYLOAD_STR(pl),
TAG_END());
}
}
}
break;
case SWITCH_MESSAGE_INDICATE_RECOVERY_REFRESH:
case SWITCH_MESSAGE_INDICATE_APPLICATION_EXEC:
break;