/* It does what it says... */
static void unsubscribe_buddy_presence(unsigned index)
{
pjsua_buddy *buddy;
pjsip_tx_data *tdata;
pj_status_t status;
buddy = &pjsua_var.buddy[index];
if (buddy->sub == NULL)
return;
if (pjsip_evsub_get_state(buddy->sub) == PJSIP_EVSUB_STATE_TERMINATED) {
pjsua_var.buddy[index].sub = NULL;
return;
}
status = pjsip_pres_initiate( buddy->sub, 0, &tdata);
if (status == PJ_SUCCESS) {
pjsua_process_msg_data(tdata, NULL);
status = pjsip_pres_send_request( buddy->sub, tdata );
}
if (status != PJ_SUCCESS && buddy->sub) {
pjsip_pres_terminate(buddy->sub, PJ_FALSE);
buddy->sub = NULL;
pjsua_perror(THIS_FILE, "Unable to unsubscribe presence",
status);
}
}
/* Update server subscription (e.g. when our online status has changed) */
void pjsua_pres_update_acc(int acc_id, pj_bool_t force)
{
pjsua_acc *acc = &pjsua_var.acc[acc_id];
pjsua_acc_config *acc_cfg = &pjsua_var.acc[acc_id].cfg;
pjsua_srv_pres *uapres;
uapres = pjsua_var.acc[acc_id].pres_srv_list.next;
while (uapres != &acc->pres_srv_list) {
pjsip_pres_status pres_status;
pjsip_tx_data *tdata;
pjsip_pres_get_status(uapres->sub, &pres_status);
/* Only send NOTIFY once subscription is active. Some subscriptions
* may still be in NULL (when app is adding a new buddy while in the
* on_incoming_subscribe() callback) or PENDING (when user approval is
* being requested) state and we don't send NOTIFY to these subs until
* the user accepted the request.
*/
if (pjsip_evsub_get_state(uapres->sub)==PJSIP_EVSUB_STATE_ACTIVE &&
(force || pres_status.info[0].basic_open != acc->online_status))
{
pres_status.info[0].basic_open = acc->online_status;
pj_memcpy(&pres_status.info[0].rpid, &acc->rpid,
sizeof(pjrpid_element));
pjsip_pres_set_status(uapres->sub, &pres_status);
if (pjsip_pres_current_notify(uapres->sub, &tdata)==PJ_SUCCESS) {
pjsua_process_msg_data(tdata, NULL);
pjsip_pres_send_request(uapres->sub, tdata);
}
}
uapres = uapres->next;
}
/* Send PUBLISH if required. We only do this when we have a PUBLISH
* session. If we don't have a PUBLISH session, then it could be
* that we're waiting until registration has completed before we
* send the first PUBLISH.
*/
if (acc_cfg->publish_enabled && acc->publish_sess) {
if (force || acc->publish_state != acc->online_status) {
send_publish(acc_id, PJ_TRUE);
}
}
}
/*
* Send typing indication outside dialog.
*/
PJ_DEF(pj_status_t) pjsua_im_typing( pjsua_acc_id acc_id,
const pj_str_t *to,
pj_bool_t is_typing,
const pjsua_msg_data *msg_data)
{
pjsua_im_data *im_data;
pjsip_tx_data *tdata;
pjsua_acc *acc;
pj_status_t status;
acc = &pjsua_var.acc[acc_id];
/* Create request. */
status = pjsip_endpt_create_request( pjsua_var.endpt, &pjsip_message_method,
to, &acc->cfg.id,
to, NULL, NULL, -1, NULL, &tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create request", status);
return status;
}
/* If account is locked to specific transport, then set transport to
* the request.
*/
if (acc->cfg.transport_id != PJSUA_INVALID_ID) {
pjsip_tpselector tp_sel;
pjsua_init_tpselector(acc->cfg.transport_id, &tp_sel);
pjsip_tx_data_set_transport(tdata, &tp_sel);
}
/* Add accept header. */
pjsip_msg_add_hdr( tdata->msg,
(pjsip_hdr*)pjsua_im_create_accept(tdata->pool));
/* Create suitable Contact header unless a Contact header has been
* set in the account.
*/
/* Ticket #1632: According to RFC 3428:
* MESSAGE requests do not initiate dialogs.
* User Agents MUST NOT insert Contact header fields into MESSAGE requests
*/
/*
if (acc->contact.slen) {
contact = acc->contact;
} else {
status = pjsua_acc_create_uac_contact(tdata->pool, &contact, acc_id, to);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to generate Contact header", status);
pjsip_tx_data_dec_ref(tdata);
return status;
}
}
pjsip_msg_add_hdr( tdata->msg, (pjsip_hdr*)
pjsip_generic_string_hdr_create(tdata->pool,
&STR_CONTACT, &contact));
*/
/* Create "application/im-iscomposing+xml" msg body. */
tdata->msg->body = pjsip_iscomposing_create_body( tdata->pool, is_typing,
NULL, NULL, -1);
/* Add additional headers etc. */
pjsua_process_msg_data(tdata, msg_data);
/* Add route set */
pjsua_set_msg_route_set(tdata, &acc->route_set);
/* If via_addr is set, use this address for the Via header. */
if (acc->cfg.allow_via_rewrite && acc->via_addr.host.slen > 0) {
tdata->via_addr = acc->via_addr;
tdata->via_tp = acc->via_tp;
}
/* Create data to reauthenticate */
im_data = PJ_POOL_ZALLOC_T(tdata->pool, pjsua_im_data);
im_data->acc_id = acc_id;
/* Send request (statefully) */
status = pjsip_endpt_send_request( pjsua_var.endpt, tdata, -1,
im_data, &typing_callback);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to send request", status);
return status;
}
return PJ_SUCCESS;
}
/*
* Send instant messaging outside dialog, using the specified account for
* route set and authentication.
*/
PJ_DEF(pj_status_t) pjsua_im_send( pjsua_acc_id acc_id,
const pj_str_t *to,
const pj_str_t *mime_type,
const pj_str_t *content,
const pjsua_msg_data *msg_data,
void *user_data)
{
pjsip_tx_data *tdata;
const pj_str_t mime_text_plain = pj_str("text/plain");
pjsip_media_type media_type;
pjsua_im_data *im_data;
pjsua_acc *acc;
pj_status_t status;
/* To and message body must be specified. */
PJ_ASSERT_RETURN(to && content, PJ_EINVAL);
acc = &pjsua_var.acc[acc_id];
/* Create request. */
status = pjsip_endpt_create_request(pjsua_var.endpt,
&pjsip_message_method,
(msg_data && msg_data->target_uri.slen?
&msg_data->target_uri: to),
&acc->cfg.id,
to, NULL, NULL, -1, NULL, &tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create request", status);
return status;
}
/* If account is locked to specific transport, then set transport to
* the request.
*/
if (acc->cfg.transport_id != PJSUA_INVALID_ID) {
pjsip_tpselector tp_sel;
pjsua_init_tpselector(acc->cfg.transport_id, &tp_sel);
pjsip_tx_data_set_transport(tdata, &tp_sel);
}
/* Add accept header. */
pjsip_msg_add_hdr( tdata->msg,
(pjsip_hdr*)pjsua_im_create_accept(tdata->pool));
/* Create suitable Contact header unless a Contact header has been
* set in the account.
*/
/* Ticket #1632: According to RFC 3428:
* MESSAGE requests do not initiate dialogs.
* User Agents MUST NOT insert Contact header fields into MESSAGE requests
*/
/*
if (acc->contact.slen) {
contact = acc->contact;
} else {
status = pjsua_acc_create_uac_contact(tdata->pool, &contact, acc_id, to);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to generate Contact header", status);
pjsip_tx_data_dec_ref(tdata);
return status;
}
}
pjsip_msg_add_hdr( tdata->msg, (pjsip_hdr*)
pjsip_generic_string_hdr_create(tdata->pool,
&STR_CONTACT, &contact));
*/
/* Create IM data to keep message details and give it back to
* application on the callback
*/
im_data = PJ_POOL_ZALLOC_T(tdata->pool, pjsua_im_data);
im_data->acc_id = acc_id;
im_data->call_id = PJSUA_INVALID_ID;
pj_strdup_with_null(tdata->pool, &im_data->to, to);
pj_strdup_with_null(tdata->pool, &im_data->body, content);
im_data->user_data = user_data;
/* Set default media type if none is specified */
if (mime_type == NULL) {
mime_type = &mime_text_plain;
}
/* Parse MIME type */
pjsua_parse_media_type(tdata->pool, mime_type, &media_type);
/* Add message body */
tdata->msg->body = pjsip_msg_body_create( tdata->pool, &media_type.type,
&media_type.subtype,
&im_data->body);
if (tdata->msg->body == NULL) {
pjsua_perror(THIS_FILE, "Unable to create msg body", PJ_ENOMEM);
pjsip_tx_data_dec_ref(tdata);
return PJ_ENOMEM;
}
/* Add additional headers etc. */
pjsua_process_msg_data(tdata, msg_data);
/* Add route set */
pjsua_set_msg_route_set(tdata, &acc->route_set);
/* If via_addr is set, use this address for the Via header. */
if (acc->cfg.allow_via_rewrite && acc->via_addr.host.slen > 0) {
tdata->via_addr = acc->via_addr;
tdata->via_tp = acc->via_tp;
}
/* Send request (statefully) */
status = pjsip_endpt_send_request( pjsua_var.endpt, tdata, -1,
im_data, &im_callback);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to send request", status);
return status;
}
return PJ_SUCCESS;
}
/*
* Send PUBLISH request.
*/
static pj_status_t send_publish(int acc_id, pj_bool_t active)
{
pjsua_acc_config *acc_cfg = &pjsua_var.acc[acc_id].cfg;
pjsua_acc *acc = &pjsua_var.acc[acc_id];
pjsip_pres_status pres_status;
pjsip_tx_data *tdata;
pj_status_t status;
/* Create PUBLISH request */
if (active) {
char *bpos;
pj_str_t entity;
status = pjsip_publishc_publish(acc->publish_sess, PJ_TRUE, &tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Error creating PUBLISH request", status);
goto on_error;
}
/* Set our online status: */
pj_bzero(&pres_status, sizeof(pres_status));
pres_status.info_cnt = 1;
pres_status.info[0].basic_open = acc->online_status;
pres_status.info[0].id = acc->cfg.pidf_tuple_id;
/* .. including RPID information */
pj_memcpy(&pres_status.info[0].rpid, &acc->rpid,
sizeof(pjrpid_element));
/* Be careful not to send PIDF with presence entity ID containing
* "<" character.
*/
if ((bpos=pj_strchr(&acc_cfg->id, '<')) != NULL) {
char *epos = pj_strchr(&acc_cfg->id, '>');
if (epos - bpos < 2) {
pj_assert(!"Unexpected invalid URI");
status = PJSIP_EINVALIDURI;
goto on_error;
}
entity.ptr = bpos+1;
entity.slen = epos - bpos - 1;
} else {
entity = acc_cfg->id;
}
/* Create and add PIDF message body */
status = pjsip_pres_create_pidf(tdata->pool, &pres_status,
&entity, &tdata->msg->body);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Error creating PIDF for PUBLISH request",
status);
pjsip_tx_data_dec_ref(tdata);
goto on_error;
}
} else {
status = pjsip_publishc_unpublish(acc->publish_sess, &tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Error creating PUBLISH request", status);
goto on_error;
}
}
/* Add headers etc */
pjsua_process_msg_data(tdata, NULL);
/* Send the PUBLISH request */
status = pjsip_publishc_send(acc->publish_sess, tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Error sending PUBLISH request", status);
goto on_error;
}
acc->publish_state = acc->online_status;
return PJ_SUCCESS;
on_error:
if (acc->publish_sess) {
pjsip_publishc_destroy(acc->publish_sess);
acc->publish_sess = NULL;
}
return status;
}
/*
* Send NOTIFY.
*/
PJ_DEF(pj_status_t) pjsua_pres_notify( pjsua_acc_id acc_id,
pjsua_srv_pres *srv_pres,
pjsip_evsub_state ev_state,
const pj_str_t *state_str,
const pj_str_t *reason,
pj_bool_t with_body,
const pjsua_msg_data *msg_data)
{
pjsua_acc *acc;
pjsip_pres_status pres_status;
pjsua_buddy_id buddy_id;
pjsip_tx_data *tdata;
pj_status_t status;
/* Check parameters */
PJ_ASSERT_RETURN(acc_id!=-1 && srv_pres, PJ_EINVAL);
/* Check that account ID is valid */
PJ_ASSERT_RETURN(acc_id>=0 && acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc),
PJ_EINVAL);
/* Check that account is valid */
PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, PJ_EINVALIDOP);
PJSUA_LOCK();
acc = &pjsua_var.acc[acc_id];
/* Check that the server presence subscription is still valid */
if (pj_list_find_node(&acc->pres_srv_list, srv_pres) == NULL) {
/* Subscription has been terminated */
PJSUA_UNLOCK();
return PJ_EINVALIDOP;
}
/* Set our online status: */
pj_bzero(&pres_status, sizeof(pres_status));
pres_status.info_cnt = 1;
pres_status.info[0].basic_open = acc->online_status;
pres_status.info[0].id = acc->cfg.pidf_tuple_id;
//Both pjsua_var.local_uri and pjsua_var.contact_uri are enclosed in "<" and ">"
//causing XML parsing to fail.
//pres_status.info[0].contact = pjsua_var.local_uri;
/* add RPID information */
pj_memcpy(&pres_status.info[0].rpid, &acc->rpid,
sizeof(pjrpid_element));
pjsip_pres_set_status(srv_pres->sub, &pres_status);
/* Check expires value. If it's zero, send our presense state but
* set subscription state to TERMINATED.
*/
if (srv_pres->expires == 0)
ev_state = PJSIP_EVSUB_STATE_TERMINATED;
/* Create and send the NOTIFY to active subscription: */
status = pjsip_pres_notify(srv_pres->sub, ev_state, state_str,
reason, &tdata);
if (status == PJ_SUCCESS) {
/* Force removal of message body if msg_body==FALSE */
if (!with_body) {
tdata->msg->body = NULL;
}
pjsua_process_msg_data(tdata, msg_data);
status = pjsip_pres_send_request( srv_pres->sub, tdata);
}
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create/send NOTIFY",
status);
pj_list_erase(srv_pres);
pjsip_pres_terminate(srv_pres->sub, PJ_FALSE);
PJSUA_UNLOCK();
return status;
}
/* Subscribe to buddy's presence if we're not subscribed */
buddy_id = pjsua_find_buddy(srv_pres->dlg->remote.info->uri);
if (buddy_id != PJSUA_INVALID_ID) {
pjsua_buddy *b = &pjsua_var.buddy[buddy_id];
if (b->monitor && b->sub == NULL) {
PJ_LOG(4,(THIS_FILE, "Received SUBSCRIBE from buddy %d, "
"activating outgoing subscription", buddy_id));
subscribe_buddy_presence(buddy_id);
}
}
PJSUA_UNLOCK();
return PJ_SUCCESS;
}
/* This is called when request is received.
* We need to check for incoming SUBSCRIBE request.
*/
static pj_bool_t pres_on_rx_request(pjsip_rx_data *rdata)
{
int acc_id;
pjsua_acc *acc;
pj_str_t contact;
pjsip_method *req_method = &rdata->msg_info.msg->line.req.method;
pjsua_srv_pres *uapres;
pjsip_evsub *sub;
pjsip_evsub_user pres_cb;
pjsip_dialog *dlg;
pjsip_status_code st_code;
pj_str_t reason;
pjsip_expires_hdr *expires_hdr;
pjsua_msg_data msg_data;
pj_status_t status;
if (pjsip_method_cmp(req_method, pjsip_get_subscribe_method()) != 0)
return PJ_FALSE;
/* Incoming SUBSCRIBE: */
PJSUA_LOCK();
/* Find which account for the incoming request. */
acc_id = pjsua_acc_find_for_incoming(rdata);
acc = &pjsua_var.acc[acc_id];
PJ_LOG(4,(THIS_FILE, "Creating server subscription, using account %d",
acc_id));
/* Create suitable Contact header */
if (acc->contact.slen) {
contact = acc->contact;
} else {
status = pjsua_acc_create_uas_contact(rdata->tp_info.pool, &contact,
acc_id, rdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to generate Contact header",
status);
PJSUA_UNLOCK();
pjsip_endpt_respond_stateless(pjsua_var.endpt, rdata, 400, NULL,
NULL, NULL);
return PJ_TRUE;
}
}
/* Create UAS dialog: */
status = pjsip_dlg_create_uas(pjsip_ua_instance(), rdata,
&contact, &dlg);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE,
"Unable to create UAS dialog for subscription",
status);
PJSUA_UNLOCK();
pjsip_endpt_respond_stateless(pjsua_var.endpt, rdata, 400, NULL,
NULL, NULL);
return PJ_TRUE;
}
/* Set credentials and preference. */
pjsip_auth_clt_set_credentials(&dlg->auth_sess, acc->cred_cnt, acc->cred);
pjsip_auth_clt_set_prefs(&dlg->auth_sess, &acc->cfg.auth_pref);
/* Init callback: */
pj_bzero(&pres_cb, sizeof(pres_cb));
pres_cb.on_evsub_state = &pres_evsub_on_srv_state;
/* Create server presence subscription: */
status = pjsip_pres_create_uas( dlg, &pres_cb, rdata, &sub);
if (status != PJ_SUCCESS) {
int code = PJSIP_ERRNO_TO_SIP_STATUS(status);
pjsip_tx_data *tdata;
pjsua_perror(THIS_FILE, "Unable to create server subscription",
status);
if (code==599 || code > 699 || code < 300) {
code = 400;
}
status = pjsip_dlg_create_response(dlg, rdata, code, NULL, &tdata);
if (status == PJ_SUCCESS) {
status = pjsip_dlg_send_response(dlg, pjsip_rdata_get_tsx(rdata),
tdata);
}
PJSUA_UNLOCK();
return PJ_TRUE;
}
/* If account is locked to specific transport, then lock dialog
* to this transport too.
*/
if (acc->cfg.transport_id != PJSUA_INVALID_ID) {
pjsip_tpselector tp_sel;
pjsua_init_tpselector(acc->cfg.transport_id, &tp_sel);
pjsip_dlg_set_transport(dlg, &tp_sel);
}
/* Attach our data to the subscription: */
uapres = PJ_POOL_ALLOC_T(dlg->pool, pjsua_srv_pres);
uapres->sub = sub;
uapres->remote = (char*) pj_pool_alloc(dlg->pool, PJSIP_MAX_URL_SIZE);
uapres->acc_id = acc_id;
uapres->dlg = dlg;
status = pjsip_uri_print(PJSIP_URI_IN_REQ_URI, dlg->remote.info->uri,
uapres->remote, PJSIP_MAX_URL_SIZE);
if (status < 1)
pj_ansi_strcpy(uapres->remote, "<-- url is too long-->");
else
uapres->remote[status] = '\0';
pjsip_evsub_set_mod_data(sub, pjsua_var.mod.id, uapres);
/* Add server subscription to the list: */
pj_list_push_back(&pjsua_var.acc[acc_id].pres_srv_list, uapres);
/* Capture the value of Expires header. */
expires_hdr = (pjsip_expires_hdr*)
pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_EXPIRES,
NULL);
if (expires_hdr)
uapres->expires = expires_hdr->ivalue;
else
uapres->expires = -1;
st_code = (pjsip_status_code)200;
reason = pj_str("OK");
pjsua_msg_data_init(&msg_data);
/* Notify application callback, if any */
if (pjsua_var.ua_cfg.cb.on_incoming_subscribe) {
pjsua_buddy_id buddy_id;
buddy_id = pjsua_find_buddy(rdata->msg_info.from->uri);
(*pjsua_var.ua_cfg.cb.on_incoming_subscribe)(acc_id, uapres, buddy_id,
&dlg->remote.info_str,
rdata, &st_code, &reason,
&msg_data);
}
/* Handle rejection case */
if (st_code >= 300) {
pjsip_tx_data *tdata;
/* Create response */
status = pjsip_dlg_create_response(dlg, rdata, st_code,
&reason, &tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Error creating response", status);
pj_list_erase(uapres);
pjsip_pres_terminate(sub, PJ_FALSE);
PJSUA_UNLOCK();
return PJ_FALSE;
}
/* Add header list, if any */
pjsua_process_msg_data(tdata, &msg_data);
/* Send the response */
status = pjsip_dlg_send_response(dlg, pjsip_rdata_get_tsx(rdata),
tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Error sending response", status);
/* This is not fatal */
}
/* Terminate presence subscription */
pj_list_erase(uapres);
pjsip_pres_terminate(sub, PJ_FALSE);
PJSUA_UNLOCK();
return PJ_TRUE;
}
/* Create and send 2xx response to the SUBSCRIBE request: */
status = pjsip_pres_accept(sub, rdata, st_code, &msg_data.hdr_list);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to accept presence subscription",
status);
pj_list_erase(uapres);
pjsip_pres_terminate(sub, PJ_FALSE);
PJSUA_UNLOCK();
return PJ_FALSE;
}
/* If code is 200, send NOTIFY now */
if (st_code == 200) {
pjsua_pres_notify(acc_id, uapres, PJSIP_EVSUB_STATE_ACTIVE,
NULL, NULL, PJ_TRUE, &msg_data);
}
/* Done: */
PJSUA_UNLOCK();
return PJ_TRUE;
}
/* It does what it says.. */
static void subscribe_buddy_presence(unsigned index)
{
pj_pool_t *tmp_pool = NULL;
pjsua_buddy *buddy;
int acc_id;
pjsua_acc *acc;
pj_str_t contact;
pjsip_tx_data *tdata;
pj_status_t status;
buddy = &pjsua_var.buddy[index];
acc_id = pjsua_acc_find_for_outgoing(&buddy->uri);
acc = &pjsua_var.acc[acc_id];
PJ_LOG(4,(THIS_FILE, "Using account %d for buddy %d subscription",
acc_id, index));
/* Generate suitable Contact header unless one is already set in
* the account
*/
if (acc->contact.slen) {
contact = acc->contact;
} else {
tmp_pool = pjsua_pool_create("tmpbuddy", 512, 256);
status = pjsua_acc_create_uac_contact(tmp_pool, &contact,
acc_id, &buddy->uri);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to generate Contact header",
status);
pj_pool_release(tmp_pool);
return;
}
}
/* Create UAC dialog */
status = pjsip_dlg_create_uac( pjsip_ua_instance(),
&acc->cfg.id,
&contact,
&buddy->uri,
NULL, &buddy->dlg);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create dialog",
status);
if (tmp_pool) pj_pool_release(tmp_pool);
return;
}
/* Increment the dialog's lock otherwise when presence session creation
* fails the dialog will be destroyed prematurely.
*/
pjsip_dlg_inc_lock(buddy->dlg);
status = pjsip_pres_create_uac( buddy->dlg, &pres_callback,
PJSIP_EVSUB_NO_EVENT_ID, &buddy->sub);
if (status != PJ_SUCCESS) {
pjsua_var.buddy[index].sub = NULL;
pjsua_perror(THIS_FILE, "Unable to create presence client",
status);
/* This should destroy the dialog since there's no session
* referencing it
*/
pjsip_dlg_dec_lock(buddy->dlg);
if (tmp_pool) pj_pool_release(tmp_pool);
return;
}
/* If account is locked to specific transport, then lock dialog
* to this transport too.
*/
if (acc->cfg.transport_id != PJSUA_INVALID_ID) {
pjsip_tpselector tp_sel;
pjsua_init_tpselector(acc->cfg.transport_id, &tp_sel);
pjsip_dlg_set_transport(buddy->dlg, &tp_sel);
}
/* Set route-set */
if (!pj_list_empty(&acc->route_set)) {
pjsip_dlg_set_route_set(buddy->dlg, &acc->route_set);
}
/* Set credentials */
if (acc->cred_cnt) {
pjsip_auth_clt_set_credentials( &buddy->dlg->auth_sess,
acc->cred_cnt, acc->cred);
}
/* Set authentication preference */
pjsip_auth_clt_set_prefs(&buddy->dlg->auth_sess, &acc->cfg.auth_pref);
pjsip_evsub_set_mod_data(buddy->sub, pjsua_var.mod.id, buddy);
status = pjsip_pres_initiate(buddy->sub, -1, &tdata);
if (status != PJ_SUCCESS) {
pjsip_dlg_dec_lock(buddy->dlg);
if (buddy->sub) {
pjsip_pres_terminate(buddy->sub, PJ_FALSE);
}
buddy->sub = NULL;
pjsua_perror(THIS_FILE, "Unable to create initial SUBSCRIBE",
status);
if (tmp_pool) pj_pool_release(tmp_pool);
return;
}
pjsua_process_msg_data(tdata, NULL);
status = pjsip_pres_send_request(buddy->sub, tdata);
if (status != PJ_SUCCESS) {
pjsip_dlg_dec_lock(buddy->dlg);
if (buddy->sub) {
pjsip_pres_terminate(buddy->sub, PJ_FALSE);
}
buddy->sub = NULL;
pjsua_perror(THIS_FILE, "Unable to send initial SUBSCRIBE",
status);
if (tmp_pool) pj_pool_release(tmp_pool);
return;
}
pjsip_dlg_dec_lock(buddy->dlg);
if (tmp_pool) pj_pool_release(tmp_pool);
}
/*
* Send typing indication outside dialog.
*/
PJ_DEF(pj_status_t) pjsua_im_typing( pjsua_acc_id acc_id,
const pj_str_t *to,
pj_bool_t is_typing,
const pjsua_msg_data *msg_data)
{
const pj_str_t STR_CONTACT = { "Contact", 7 };
pjsua_im_data *im_data;
pjsip_tx_data *tdata;
pj_str_t contact;
pj_status_t status;
/* Create request. */
status = pjsip_endpt_create_request( pjsua_var.endpt, &pjsip_message_method,
to, &pjsua_var.acc[acc_id].cfg.id,
to, NULL, NULL, -1, NULL, &tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create request", status);
return status;
}
/* If account is locked to specific transport, then set transport to
* the request.
*/
if (pjsua_var.acc[acc_id].cfg.transport_id != PJSUA_INVALID_ID) {
pjsip_tpselector tp_sel;
pjsua_init_tpselector(pjsua_var.acc[acc_id].cfg.transport_id, &tp_sel);
pjsip_tx_data_set_transport(tdata, &tp_sel);
}
/* Add accept header. */
pjsip_msg_add_hdr( tdata->msg,
(pjsip_hdr*)pjsua_im_create_accept(tdata->pool));
/* Add contact. */
status = pjsua_acc_create_uac_contact(tdata->pool, &contact, acc_id, to);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to generate Contact header", status);
pjsip_tx_data_dec_ref(tdata);
return status;
}
pjsip_msg_add_hdr( tdata->msg, (pjsip_hdr*)
pjsip_generic_string_hdr_create(tdata->pool,
&STR_CONTACT, &contact));
/* Create "application/im-iscomposing+xml" msg body. */
tdata->msg->body = pjsip_iscomposing_create_body( tdata->pool, is_typing,
NULL, NULL, -1);
/* Add additional headers etc. */
pjsua_process_msg_data(tdata, msg_data);
/* Add route set */
pjsua_set_msg_route_set(tdata, &pjsua_var.acc[acc_id].route_set);
/* Create data to reauthenticate */
im_data = PJ_POOL_ZALLOC_T(tdata->pool, pjsua_im_data);
im_data->acc_id = acc_id;
/* Send request (statefully) */
status = pjsip_endpt_send_request( pjsua_var.endpt, tdata, -1,
im_data, &typing_callback);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to send request", status);
return status;
}
return PJ_SUCCESS;
}
/*
* Send instant messaging outside dialog, using the specified account for
* route set and authentication.
*/
PJ_DEF(pj_status_t) pjsua_im_send( pjsua_acc_id acc_id,
const pj_str_t *to,
const pj_str_t *mime_type,
const pj_str_t *content,
const pjsua_msg_data *msg_data,
void *user_data)
{
pjsip_tx_data *tdata;
const pj_str_t mime_text_plain = pj_str("text/plain");
const pj_str_t STR_CONTACT = { "Contact", 7 };
pjsip_media_type media_type;
pjsua_im_data *im_data;
pj_str_t contact;
pj_status_t status;
/* To and message body must be specified. */
PJ_ASSERT_RETURN(to && content, PJ_EINVAL);
/* Create request. */
status = pjsip_endpt_create_request(pjsua_var.endpt,
&pjsip_message_method, to,
&pjsua_var.acc[acc_id].cfg.id,
to, NULL, NULL, -1, NULL, &tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create request", status);
return status;
}
/* If account is locked to specific transport, then set transport to
* the request.
*/
if (pjsua_var.acc[acc_id].cfg.transport_id != PJSUA_INVALID_ID) {
pjsip_tpselector tp_sel;
pjsua_init_tpselector(pjsua_var.acc[acc_id].cfg.transport_id, &tp_sel);
pjsip_tx_data_set_transport(tdata, &tp_sel);
}
/* Add accept header. */
pjsip_msg_add_hdr( tdata->msg,
(pjsip_hdr*)pjsua_im_create_accept(tdata->pool));
/* Add contact. */
status = pjsua_acc_create_uac_contact(tdata->pool, &contact, acc_id, to);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to generate Contact header", status);
pjsip_tx_data_dec_ref(tdata);
return status;
}
pjsip_msg_add_hdr( tdata->msg, (pjsip_hdr*)
pjsip_generic_string_hdr_create(tdata->pool,
&STR_CONTACT, &contact));
/* Create IM data to keep message details and give it back to
* application on the callback
*/
im_data = PJ_POOL_ZALLOC_T(tdata->pool, pjsua_im_data);
im_data->acc_id = acc_id;
im_data->call_id = PJSUA_INVALID_ID;
pj_strdup_with_null(tdata->pool, &im_data->to, to);
pj_strdup_with_null(tdata->pool, &im_data->body, content);
im_data->user_data = user_data;
/* Set default media type if none is specified */
if (mime_type == NULL) {
mime_type = &mime_text_plain;
}
/* Parse MIME type */
pjsua_parse_media_type(tdata->pool, mime_type, &media_type);
/* Add message body */
tdata->msg->body = pjsip_msg_body_create( tdata->pool, &media_type.type,
&media_type.subtype,
&im_data->body);
if (tdata->msg->body == NULL) {
pjsua_perror(THIS_FILE, "Unable to create msg body", PJ_ENOMEM);
pjsip_tx_data_dec_ref(tdata);
return PJ_ENOMEM;
}
/* Add additional headers etc. */
pjsua_process_msg_data(tdata, msg_data);
/* Add route set */
pjsua_set_msg_route_set(tdata, &pjsua_var.acc[acc_id].route_set);
/* Send request (statefully) */
status = pjsip_endpt_send_request( pjsua_var.endpt, tdata, -1,
im_data, &im_callback);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to send request", status);
return status;
}
return PJ_SUCCESS;
}
