/*
* Create NOTIFY
*/
PJ_DEF(pj_status_t) pjsip_pres_notify( pjsip_evsub *sub,
pjsip_evsub_state state,
const pj_str_t *state_str,
const pj_str_t *reason,
pjsip_tx_data **p_tdata)
{
pjsip_pres *pres;
pjsip_tx_data *tdata;
pj_status_t status;
/* Check arguments. */
PJ_ASSERT_RETURN(sub, PJ_EINVAL);
/* Get the presence object. */
pres = (pjsip_pres*) pjsip_evsub_get_mod_data(sub, mod_presence.id);
PJ_ASSERT_RETURN(pres != NULL, PJSIP_SIMPLE_ENOPRESENCE);
/* Must have at least one presence info, unless state is
* PJSIP_EVSUB_STATE_TERMINATED. This could happen if subscription
* has not been active (e.g. we're waiting for user authorization)
* and remote cancels the subscription.
*/
PJ_ASSERT_RETURN(state==PJSIP_EVSUB_STATE_TERMINATED ||
pres->status.info_cnt > 0, PJSIP_SIMPLE_ENOPRESENCEINFO);
/* Lock object. */
pjsip_dlg_inc_lock(pres->dlg);
/* Create the NOTIFY request. */
status = pjsip_evsub_notify( sub, state, state_str, reason, &tdata);
if (status != PJ_SUCCESS)
goto on_return;
/* Create message body to reflect the presence status.
* Only do this if we have presence status info to send (see above).
*/
if (pres->status.info_cnt > 0) {
status = pres_create_msg_body( pres, tdata );
if (status != PJ_SUCCESS)
goto on_return;
}
/* Done. */
*p_tdata = tdata;
on_return:
pjsip_dlg_dec_lock(pres->dlg);
return status;
}
/*
* Create NOTIFY that reflect current state.
*/
PJ_DEF(pj_status_t) pjsip_pres_current_notify( pjsip_evsub *sub,
pjsip_tx_data **p_tdata )
{
pjsip_pres *pres;
pjsip_tx_data *tdata;
pj_status_t status;
/* Check arguments. */
PJ_ASSERT_RETURN(sub, PJ_EINVAL);
/* Get the presence object. */
pres = (pjsip_pres*) pjsip_evsub_get_mod_data(sub, mod_presence.id);
PJ_ASSERT_RETURN(pres != NULL, PJSIP_SIMPLE_ENOPRESENCE);
/* We may not have a presence info yet, e.g. when we receive SUBSCRIBE
* to refresh subscription while we're waiting for user authorization.
*/
//PJ_ASSERT_RETURN(pres->status.info_cnt > 0,
// PJSIP_SIMPLE_ENOPRESENCEINFO);
/* Lock object. */
pjsip_dlg_inc_lock(pres->dlg);
/* Create the NOTIFY request. */
status = pjsip_evsub_current_notify( sub, &tdata);
if (status != PJ_SUCCESS)
goto on_return;
/* Create message body to reflect the presence status. */
if (pres->status.info_cnt > 0) {
status = pres_create_msg_body( pres, tdata );
if (status != PJ_SUCCESS)
goto on_return;
}
/* Done. */
*p_tdata = tdata;
on_return:
pjsip_dlg_dec_lock(pres->dlg);
return status;
}
/*
* Create NOTIFY
*/
PJ_DEF(pj_status_t) pjsip_pres_notify( pjsip_evsub *sub,
pjsip_evsub_state state,
const pj_str_t *state_str,
const pj_str_t *reason,
pjsip_tx_data **p_tdata)
{
pjsip_pres *pres;
pjsip_tx_data *tdata;
pj_status_t status;
/* Check arguments. */
PJ_ASSERT_RETURN(sub, PJ_EINVAL);
/* Get the presence object. */
pres = pjsip_evsub_get_mod_data(sub, mod_presence.id);
PJ_ASSERT_RETURN(pres != NULL, PJSIP_SIMPLE_ENOPRESENCE);
/* Must have at least one presence info. */
PJ_ASSERT_RETURN(pres->status.info_cnt > 0, PJSIP_SIMPLE_ENOPRESENCEINFO);
/* Lock object. */
pjsip_dlg_inc_lock(pres->dlg);
/* Create the NOTIFY request. */
status = pjsip_evsub_notify( sub, state, state_str, reason, &tdata);
if (status != PJ_SUCCESS)
goto on_return;
/* Create message body to reflect the presence status. */
status = pres_create_msg_body( pres, tdata );
if (status != PJ_SUCCESS)
goto on_return;
/* Done. */
*p_tdata = tdata;
on_return:
pjsip_dlg_dec_lock(pres->dlg);
return status;
}