int sal_publish(SalOp *op, const char *from, const char *to, const char *eventname, int expires, const SalBody *body){
belle_sip_request_t *req=NULL;
if(!op->refresher || !belle_sip_refresher_get_transaction(op->refresher)) {
if (from)
sal_op_set_from(op,from);
if (to)
sal_op_set_to(op,to);
sal_op_publish_fill_cbs(op);
req=sal_op_build_request(op,"PUBLISH");
if (sal_op_get_contact(op)){
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),BELLE_SIP_HEADER(sal_op_create_contact(op)));
}
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),belle_sip_header_create("Event",eventname));
sal_op_add_body(op,BELLE_SIP_MESSAGE(req),body);
return sal_op_send_and_create_refresher(op,req,expires,publish_refresher_listener);
} else {
/*update status*/
const belle_sip_client_transaction_t* last_publish_trans=belle_sip_refresher_get_transaction(op->refresher);
belle_sip_request_t* last_publish=belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(last_publish_trans));
/*update body*/
sal_op_add_body(op,BELLE_SIP_MESSAGE(last_publish),expires!=0 ? body : NULL);
return belle_sip_refresher_refresh(op->refresher,expires==-1 ? BELLE_SIP_REFRESHER_REUSE_EXPIRES : expires);
}
}
int sal_notify_close(SalOp *op){
osip_message_t *msg=NULL;
eXosip_lock();
eXosip_insubscription_build_notify(op->did,EXOSIP_SUBCRSTATE_TERMINATED,DEACTIVATED,&msg);
if (msg!=NULL){
const char *identity=sal_op_get_contact(op);
if (identity==NULL) identity=sal_op_get_to(op);
osip_message_set_contact(msg,identity);
add_presence_body(msg,SalPresenceOffline);
eXosip_insubscription_send_request(op->did,msg);
}else ms_error("sal_notify_close(): could not create notify for incoming subscription"
" did=%i, nid=%i",op->did,op->nid);
eXosip_unlock();
return 0;
}
void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from){
LinphoneFriend *lf=NULL;
char *tmp;
LinphoneAddress *uri;
LinphoneProxyConfig *cfg;
const char *fixed_contact;
uri=linphone_address_new(from);
linphone_address_clean(uri);
tmp=linphone_address_as_string(uri);
ms_message("Receiving new subscription from %s.",from);
cfg=linphone_core_lookup_known_proxy(lc,uri);
if (cfg!=NULL){
if (cfg->op){
fixed_contact=sal_op_get_contact(cfg->op);
if (fixed_contact) {
sal_op_set_contact (op,fixed_contact);
ms_message("Contact for next subscribe answer has been fixed using proxy to %s",fixed_contact);
}
}
}
/* check if we answer to this subscription */
if (linphone_find_friend(lc->friends,uri,&lf)!=NULL){
lf->insub=op;
lf->inc_subscribe_pending=TRUE;
sal_subscribe_accept(op);
linphone_friend_done(lf); /*this will do all necessary actions */
}else{
/* check if this subscriber is in our black list */
if (linphone_find_friend(lc->subscribers,uri,&lf)){
if (lf->pol==LinphoneSPDeny){
ms_message("Rejecting %s because we already rejected it once.",from);
sal_subscribe_decline(op);
}
else {
/* else it is in wait for approval state, because otherwise it is in the friend list.*/
ms_message("New subscriber found in friend list, in %s state.",__policy_enum_to_str(lf->pol));
}
}else {
sal_subscribe_accept(op);
linphone_core_add_subscriber(lc,tmp,op);
}
}
linphone_address_destroy(uri);
ms_free(tmp);
}
int sal_notify_presence(SalOp *op, SalPresenceStatus status, const char *status_message){
osip_message_t *msg=NULL;
eXosip_ss_t ss=EXOSIP_SUBCRSTATE_ACTIVE;
if (op->nid==-1){
ms_warning("Cannot notify, subscription was closed.");
return -1;
}
eXosip_lock();
eXosip_insubscription_build_notify(op->did,ss,DEACTIVATED,&msg);
if (msg!=NULL){
const char *identity=sal_op_get_contact(op);
if (identity==NULL) identity=sal_op_get_to(op);
_osip_list_set_empty(&msg->contacts,(void (*)(void*))osip_contact_free);
osip_message_set_contact(msg,identity);
add_presence_body(msg,status);
eXosip_insubscription_send_request(op->did,msg);
}else ms_error("could not create notify for incoming subscription.");
eXosip_unlock();
return 0;
}
/*presence publish */
int sal_publish_presence(SalOp *op, const char *from, const char *to, int expires, SalPresenceModel *presence){
belle_sip_request_t *req=NULL;
if(!op->refresher || !belle_sip_refresher_get_transaction(op->refresher)) {
if (from)
sal_op_set_from(op,from);
if (to)
sal_op_set_to(op,to);
op->type=SalOpPublish;
req=sal_op_build_request(op,"PUBLISH");
if (sal_op_get_contact(op)){
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),BELLE_SIP_HEADER(sal_op_create_contact(op)));
}
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),belle_sip_header_create("Event","presence"));
sal_add_presence_info(op,BELLE_SIP_MESSAGE(req),presence);
return sal_op_send_and_create_refresher(op,req,expires,publish_refresher_listener);
} else {
/*update presence status*/
const belle_sip_client_transaction_t* last_publish_trans=belle_sip_refresher_get_transaction(op->refresher);
belle_sip_request_t* last_publish=belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(last_publish_trans));
sal_add_presence_info(op,BELLE_SIP_MESSAGE(last_publish),expires!=0 ? presence : NULL);
return belle_sip_refresher_refresh(op->refresher,expires);
}
}
static void process_response_event(void *user_ctx, const belle_sip_response_event_t *event){
belle_sip_client_transaction_t* client_transaction = belle_sip_response_event_get_client_transaction(event);
belle_sip_response_t* response = belle_sip_response_event_get_response(event);
int response_code = belle_sip_response_get_status_code(response);
if (!client_transaction) {
ms_warning("Discarding stateless response [%i]",response_code);
return;
} else {
SalOp* op = (SalOp*)belle_sip_transaction_get_application_data(BELLE_SIP_TRANSACTION(client_transaction));
belle_sip_request_t* request=belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(client_transaction));
belle_sip_header_contact_t* original_contact;
belle_sip_header_address_t* contact_address=NULL;
belle_sip_header_via_t* via_header;
belle_sip_uri_t* contact_uri;
unsigned int contact_port;
const char* received;
int rport;
bool_t contact_updated=FALSE;
char* new_contact;
if (op->state == SalOpStateTerminated) {
belle_sip_message("Op is terminated, nothing to do with this [%i]",response_code);
return;
}
if (!op->base.remote_ua) {
sal_op_set_remote_ua(op,BELLE_SIP_MESSAGE(response));
}
if (!op->base.call_id) {
op->base.call_id=ms_strdup(belle_sip_header_call_id_get_call_id(BELLE_SIP_HEADER_CALL_ID(belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(response), belle_sip_header_call_id_t))));
}
sal_op_assign_recv_headers(op,(belle_sip_message_t*)response);
if (op->callbacks.process_response_event) {
if (op->base.root->nat_helper_enabled) {
/*Fix contact if needed*/
via_header= (belle_sip_header_via_t*)belle_sip_message_get_header(BELLE_SIP_MESSAGE(response),BELLE_SIP_VIA);
received = belle_sip_header_via_get_received(via_header);
rport = belle_sip_header_via_get_rport(via_header);
if ((original_contact=belle_sip_message_get_header_by_type(request,belle_sip_header_contact_t))) {
/*update contact with sent values in any cases*/
contact_address=belle_sip_header_address_create(NULL,belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(original_contact)));
sal_op_set_contact_address(op,(const SalAddress *)contact_address);
belle_sip_object_unref(contact_address);
}
if (sal_op_get_contact(op)){
if (received!=NULL || rport>0) {
contact_address = BELLE_SIP_HEADER_ADDRESS(sal_address_clone(sal_op_get_contact_address(op)));
contact_uri=belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(contact_address));
if (received && strcmp(received,belle_sip_uri_get_host(contact_uri))!=0) {
/*need to update host*/
belle_sip_uri_set_host(contact_uri,received);
contact_updated=TRUE;
}
contact_port = belle_sip_uri_get_port(contact_uri);
if (rport>0 && rport!=contact_port && (contact_port+rport)!=5060) {
/*need to update port*/
belle_sip_uri_set_port(contact_uri,rport);
contact_updated=TRUE;
}
/*try to fix transport if needed (very unlikely)*/
if (strcasecmp(belle_sip_header_via_get_transport(via_header),"UDP")!=0) {
if (!belle_sip_uri_get_transport_param(contact_uri)
||strcasecmp(belle_sip_uri_get_transport_param(contact_uri),belle_sip_header_via_get_transport(via_header))!=0) {
belle_sip_uri_set_transport_param(contact_uri,belle_sip_header_via_get_transport_lowercase(via_header));
contact_updated=TRUE;
}
} else {
if (belle_sip_uri_get_transport_param(contact_uri)) {
contact_updated=TRUE;
belle_sip_uri_set_transport_param(contact_uri,NULL);
}
}
if (contact_updated) {
char* old_contact=belle_sip_object_to_string(BELLE_SIP_OBJECT(sal_op_get_contact_address(op)));
new_contact=belle_sip_object_to_string(BELLE_SIP_OBJECT(contact_address));
ms_message("Updating contact from [%s] to [%s] for [%p]",old_contact,new_contact,op);
sal_op_set_contact_address(op,(const SalAddress *)contact_address);
belle_sip_free(new_contact);
belle_sip_free(old_contact);
}
if (contact_address)belle_sip_object_unref(contact_address);
}
}
}
/*handle authorization*/
switch (response_code) {
case 200: {
break;
}
case 401:
case 407:{
/*belle_sip_transaction_set_application_data(BELLE_SIP_TRANSACTION(client_transaction),NULL);*//*remove op from trans*/
if (op->state == SalOpStateTerminating && strcmp("BYE",belle_sip_request_get_method(request))!=0) {
/*only bye are completed*/
belle_sip_message("Op is in state terminating, nothing else to do ");
} else {
if (op->pending_auth_transaction){
belle_sip_object_unref(op->pending_auth_transaction);
op->pending_auth_transaction=NULL;
}
op->pending_auth_transaction=(belle_sip_client_transaction_t*)belle_sip_object_ref(client_transaction);
sal_process_authentication(op);
return;
}
}
}
op->callbacks.process_response_event(op,event);
} else {
ms_error("Unhandled event response [%p]",event);
}
}
}