/**
* This function will find the matching feature keys.
*
* @param[in] presentity - pointer to presentity
* @param[in] event_body_p - pointer to presense body
*
* @return TRUE/FALSE
*
* @pre (presentity != NULL)
*/
static
boolean apply_presence_state_to_matching_feature_keys (char *presentity,
Presence_ext_t *event_body_p)
{
pres_subscription_req_t *sub_req_p;
int blf_state;
boolean match_found = FALSE;
sub_req_p = (pres_subscription_req_t *)sll_next(s_pres_req_list, NULL);
while (sub_req_p != NULL) { /* apply the state to all the entries whose presentity matches */
if ((sub_req_p->app_id > 0) &&
(strncmp(sub_req_p->presentity, presentity, CC_MAX_DIALSTRING_LEN - 1) == 0)) {
match_found = TRUE;
/* derive the BLF state from event data */
blf_state = extract_blf_state(event_body_p, sub_req_p->feature_mask);
ui_BLF_notification(sub_req_p->request_id, blf_state, sub_req_p->app_id);
sub_req_p->blf_state = blf_state;
/*
* if blf state is ALERTING,
* play blf alerting audible tone.
*/
if (blf_state == CC_SIP_BLF_ALERTING) {
/*
* Post an event to GSM to play alerting tone.
*/
cc_feature(CC_SRC_MISC_APP, CC_NO_CALL_ID, 0, CC_FEATURE_BLF_ALERT_TONE, NULL);
}
}
sub_req_p = (pres_subscription_req_t *)sll_next(s_pres_req_list, sub_req_p);
}
return match_found;
}
/**
* This function will post an event - CC_FEATURE_BLF_ALERT_TONE - to GSM task if
* there is an entry in BLF_ALERTING state.
*
* @param[in] none
*
* @return none
*/
void pres_play_blf_audible_alert (void)
{
pres_subscription_req_t *sub_req_p;
sub_req_p = (pres_subscription_req_t *)sll_next(s_pres_req_list, NULL);
while (sub_req_p != NULL) {
if ((sub_req_p->app_id > 0) && (sub_req_p->blf_state == CC_SIP_BLF_ALERTING)) {
/*
* Post an event to GSM to play alerting tone.
*/
cc_feature(CC_SRC_MISC_APP, CC_NO_CALL_ID, 0, CC_FEATURE_BLF_ALERT_TONE, NULL);
break;
}
sub_req_p = (pres_subscription_req_t *)sll_next(s_pres_req_list, sub_req_p);
}
}
/**
* This function will process b2bcnf feature NOTIFY messages.
*
* @param[in] cmd - command
* @param[in] msg - pointer to ccsip_sub_not_data_t
*
* @return none
*
* @pre (msg != NULL)
*/
static void sub_process_b2bcnf_msg (uint32_t cmd, void *msg)
{
static const char fname[] = "sub_process_b2bcnf_msg";
cc_feature_data_t data;
callid_t call_id, other_call_id = CC_NO_CALL_ID;
fsmb2bcnf_get_sub_call_id_from_ccb((fsmcnf_ccb_t *)((ccsip_sub_not_data_t *)msg)->request_id,
&call_id, &other_call_id);
switch (cmd) {
case SUB_MSG_B2BCNF_SUBSCRIBE_RESP:
GSM_DEBUG(DEB_F_PREFIX"B2BCNF subs response\n",
DEB_F_PREFIX_ARGS(GSM,fname));
sub_process_b2bcnf_sub_resp((ccsip_sub_not_data_t *)msg);
break;
case SUB_MSG_B2BCNF_NOTIFY:
GSM_DEBUG(DEB_F_PREFIX"B2BCNF subs notify\n",
DEB_F_PREFIX_ARGS(GSM,fname));
sub_process_feature_notify((ccsip_sub_not_data_t *)msg, call_id, other_call_id);
break;
case SUB_MSG_B2BCNF_TERMINATE:
/*
* This is posted by SIP stack if it is shutting down or rolling over.
* if so, notify b2bcnf to cleanup state machine.
*/
GSM_DEBUG(DEB_F_PREFIX"B2BCNF subs terminate\n",
DEB_F_PREFIX_ARGS(GSM,fname));
data.notify.subscription = CC_SUBSCRIPTIONS_REMOTECC;
data.notify.method = CC_RCC_METHOD_REFER;
data.notify.data.rcc.feature = CC_FEATURE_B2BCONF;
data.notify.cause = CC_CAUSE_ERROR;
cc_feature(CC_SRC_GSM, call_id, 0, CC_FEATURE_NOTIFY, &data);
break;
default:
GSM_DEBUG(DEB_F_PREFIX"B2BCNF subs unknown event\n",
DEB_F_PREFIX_ARGS(GSM,fname));
break;
}
}
/*
* Function: notify_ind_cb()
*
* Parameters: msg_data - the response data provoded by SIP stack.
*
* Description: is invoked by SIP stack when it receives a NOTIFY message. it takes
* action based on subscription_state and blf state derived from event body.
*
* Returns: void
*/
static void
notify_ind_cb (ccsip_sub_not_data_t * msg_data)
{
static const char fname[] = "notify_ind_cb";
int sub_state = msg_data->u.notify_ind_data.subscription_state;
sip_subs_state_reason_e reason =
msg_data->u.notify_ind_data.subscription_state_reason;
uint32_t retry_after = msg_data->u.notify_ind_data.retry_after;
int request_id = msg_data->request_id;
sub_id_t sub_id = msg_data->sub_id;
pres_subscription_req_t *sub_req_p;
Presence_ext_t *event_body_p = NULL;
uint32_t cseq = msg_data->u.notify_ind_data.cseq;
int blf_state;
BLF_DEBUG(DEB_F_PREFIX"Entering (subscription_state=%d)",
DEB_F_PREFIX_ARGS(BLF, fname), sub_state);
/*
* memory for event bodies is allocated by sip stack and it is the
* responsibility of the user (this module) to free it when it is done with it.
*/
if ((msg_data->u.notify_ind_data.eventData != NULL) &&
(msg_data->u.notify_ind_data.eventData->type != EVENT_DATA_PRESENCE)) {
BLF_ERROR(MISC_F_PREFIX"NOTIFY does not contain presence body", fname);
free_event_data(msg_data->u.notify_ind_data.eventData);
msg_data->u.notify_ind_data.eventData = NULL;
}
event_body_p = (msg_data->u.notify_ind_data.eventData == NULL) ?
NULL : &(msg_data->u.notify_ind_data.eventData->u.presence_rpid);
if ((s_pres_req_list == NULL) ||
((sub_req_p = (pres_subscription_req_t *)
sll_find(s_pres_req_list, &request_id)) == NULL)) {
/*
* since we do not have subscription for this, help SIP stack clean up.
* first, post SIPSPI_EV_CC_NOTIFY_RESPONSE so that SIP stack sends 481, then
* post SIPSPI_EV_CC_SUBSCRIPTION_TERMINATED so that SIP stack cleans up.
*/
(void) sub_int_notify_ack(sub_id, SIP_CLI_ERR_CALLEG, cseq);
(void) sub_int_subscribe_term(sub_id, TRUE, request_id,
CC_SUBSCRIPTIONS_PRESENCE);
free_event_data(msg_data->u.notify_ind_data.eventData);
BLF_DEBUG(DEB_F_PREFIX"Exiting : subscription does not exist", DEB_F_PREFIX_ARGS(BLF, fname));
return;
}
/*
* post SIPSPI_EV_CC_NOTIFY_RESPONSE.
*/
(void) sub_int_notify_ack(sub_id, SIP_STATUS_SUCCESS, cseq);
/*
* check if it is out of sequence NOTIFY, if so, do not use the presence state carried in it.
*/
if (cseq < sub_req_p->highest_cseq) {
free_event_data(msg_data->u.notify_ind_data.eventData);
BLF_ERROR(MISC_F_PREFIX"Exiting : out of sequence NOTIFY received", fname);
return;
} else {
sub_req_p->highest_cseq = cseq;
}
/*
* If the Subscription_state is terminated, then ...
*/
if (sub_state == SUBSCRIPTION_STATE_TERMINATED) {
/*
* post SIPSPI_EV_CC_SUBSCRIPTION_TERMINATED to SIP stack.
*/
(void) sub_int_subscribe_term(sub_id, TRUE, sub_req_p->request_id,
CC_SUBSCRIPTIONS_PRESENCE);
if (reason == SUBSCRIPTION_STATE_REASON_DEACTIVATED) {
/* if the reason is "decativated", re-subscribe. */
sub_req_p->sub_id = CCSIP_SUBS_INVALID_SUB_ID;
sub_req_p->highest_cseq = 0;
/*
* post SIPSPI_EV_CC_SUBSCRIBE to SIP stack
*/
if (send_subscribe_ev_to_sip_task(sub_req_p) != CC_RC_SUCCESS) {
/* let platform know that we can not continue */
ui_BLF_notification(request_id, CC_SIP_BLF_REJECTED,
sub_req_p->app_id);
/*
* remove the node from the list of subscriptions.
*/
free_sub_request(sub_req_p);
}
} else if ((reason == SUBSCRIPTION_STATE_REASON_TIMEOUT) ||
(reason == SUBSCRIPTION_STATE_REASON_PROBATION) ||
(reason == SUBSCRIPTION_STATE_REASON_GIVEUP)) {
/* let the app know that susbcription expired so that it can resusbcribe later */
ui_BLF_notification(request_id, CC_SIP_BLF_EXPIRED, sub_req_p->app_id);
sub_req_p->blf_state = CC_SIP_BLF_EXPIRED;
if (sub_req_p->app_id > 0) {
/*
* Since it is speeddial/blf, we must send a new subscription.
*/
sub_req_p->sub_id = CCSIP_SUBS_INVALID_SUB_ID;
sub_req_p->highest_cseq = 0;
if ((reason == SUBSCRIPTION_STATE_REASON_PROBATION) ||
(reason == SUBSCRIPTION_STATE_REASON_GIVEUP)) {
/*
* Start a timer based on retry-after value. If retry-after value is 0,
* use a default value of 5 sec
*/
if (retry_after == 0) {
retry_after = DEFAULT_RETRY_AFTER_MILLISECS;
} else {
retry_after = (retry_after * 1000); // converting into millisecs
}
if ((cprCancelTimer(s_retry_after_timers[sub_req_p->app_id - 1])
== CPR_SUCCESS) &&
(cprStartTimer(s_retry_after_timers[sub_req_p->app_id - 1],
retry_after, (void *) sub_req_p) == CPR_SUCCESS)) {
/*
* Timer successfully started. free up event data and return.
*/
free_event_data(msg_data->u.notify_ind_data.eventData);
BLF_DEBUG(DEB_F_PREFIX"Exiting : retry_after Timer started",
DEB_F_PREFIX_ARGS(BLF, fname));
return;
}
}
if (send_subscribe_ev_to_sip_task(sub_req_p) != CC_RC_SUCCESS) {
/*
* remove the node from the list of subscriptions.
*/
free_sub_request(sub_req_p);
BLF_ERROR(MISC_F_PREFIX"Unable to send SUBSCRIBE", fname);
}
BLF_DEBUG(DEB_F_PREFIX"subscribed again after expiration", DEB_F_PREFIX_ARGS(BLF, fname));
} else {
/*
* and remove the node from the list of subscriptions.
*/
free_sub_request(sub_req_p);
}
} else {
ui_BLF_notification(request_id, CC_SIP_BLF_REJECTED, sub_req_p->app_id);
/*
* and remove the node from the list of subscriptions.
*/
free_sub_request(sub_req_p);
}
} else {
/* derive the BLF state from event data */
blf_state = extract_blf_state(event_body_p, sub_req_p->feature_mask);
ui_BLF_notification(request_id, blf_state, sub_req_p->app_id);
sub_req_p->blf_state = blf_state;
/*
* if blf state is ALERTING,
* play blf alerting audible tone.
*/
if (blf_state == CC_SIP_BLF_ALERTING) {
/*
* Post an event to GSM to play alerting tone.
*/
cc_feature(CC_SRC_MISC_APP, CC_NO_CALL_ID, 0, CC_FEATURE_BLF_ALERT_TONE, NULL);
}
DEF_DEBUG(DEB_F_PREFIX"SUB %d: BLF %d",
DEB_F_PREFIX_ARGS(BLF_INFO, fname), sub_state, blf_state);
}
free_event_data(msg_data->u.notify_ind_data.eventData);
BLF_DEBUG(DEB_F_PREFIX"Exiting : acted based on subscription state", DEB_F_PREFIX_ARGS(BLF, fname));
return;
}
void sip_cc_feature (callid_t call_id, line_t line, cc_features_t feature, void *data)
{
cc_feature(CC_SRC_SIP, call_id, line, feature, (cc_feature_data_t *)data);
}