static void presence_process_dialog_terminated(void *ctx, const belle_sip_dialog_terminated_event_t *event) {
SalOp* op= (SalOp*)ctx;
if (op->dialog) {
if (belle_sip_dialog_is_server(op->dialog)){
/*in an incoming SUBSCRIBE*/
ms_message("Presence unsubscribe received from [%s]",sal_op_get_from(op));
op->base.root->callbacks.subscribe_presence_closed(op, sal_op_get_from(op));
}
set_or_update_dialog(op, NULL);
}
}
int sal_call_refer_with_replaces(SalOp *op, SalOp *other_call_op){
belle_sip_dialog_state_t other_call_dialog_state=other_call_op->dialog?belle_sip_dialog_get_state(other_call_op->dialog):BELLE_SIP_DIALOG_NULL;
belle_sip_dialog_state_t op_dialog_state=op->dialog?belle_sip_dialog_get_state(op->dialog):BELLE_SIP_DIALOG_NULL;
belle_sip_header_replaces_t* replaces;
belle_sip_header_refer_to_t* refer_to;
belle_sip_header_referred_by_t* referred_by;
const char* from_tag;
const char* to_tag;
char* escaped_replaces;
/*first, build refer to*/
if (other_call_dialog_state!=BELLE_SIP_DIALOG_CONFIRMED) {
ms_error(" wrong dialog state [%s] for op [%p], should be BELLE_SIP_DIALOG_CONFIRMED",belle_sip_dialog_state_to_string(other_call_dialog_state)
,other_call_op);
return -1;
}
if (op_dialog_state!=BELLE_SIP_DIALOG_CONFIRMED) {
ms_error(" wrong dialog state [%s] for op [%p], should be BELLE_SIP_DIALOG_CONFIRMED",belle_sip_dialog_state_to_string(op_dialog_state)
,op);
return -1;
}
refer_to=belle_sip_header_refer_to_create(belle_sip_dialog_get_remote_party(other_call_op->dialog));
belle_sip_parameters_clean(BELLE_SIP_PARAMETERS(refer_to));
if (belle_sip_dialog_is_server(other_call_op->dialog)) {
to_tag=belle_sip_dialog_get_local_tag(other_call_op->dialog);
from_tag=belle_sip_dialog_get_remote_tag(other_call_op->dialog);;
} else {
from_tag=belle_sip_dialog_get_local_tag(other_call_op->dialog);
to_tag=belle_sip_dialog_get_remote_tag(other_call_op->dialog);;
}
replaces=belle_sip_header_replaces_create(belle_sip_header_call_id_get_call_id(belle_sip_dialog_get_call_id(other_call_op->dialog))
,from_tag,to_tag);
escaped_replaces=belle_sip_header_replaces_value_to_escaped_string(replaces);
belle_sip_uri_set_header(belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(refer_to)),"Replaces",escaped_replaces);
belle_sip_free(escaped_replaces);
referred_by=belle_sip_header_referred_by_create(belle_sip_dialog_get_local_party(op->dialog));
belle_sip_parameters_clean(BELLE_SIP_PARAMETERS(referred_by));
return sal_call_refer_to(op,refer_to,referred_by);
}
belle_sip_dialog_t* belle_sip_provider_find_dialog(const belle_sip_provider_t *prov, const char* call_id,const char* from_tag,const char* to_tag) {
belle_sip_list_t* iterator;
for(iterator=prov->dialogs;iterator!=NULL;iterator=iterator->next) {
belle_sip_dialog_t* dialog=(belle_sip_dialog_t*)iterator->data;
if (strcmp(belle_sip_header_call_id_get_call_id(belle_sip_dialog_get_call_id(dialog)),call_id)==0) {
const char* target_from;
const char*target_to;
if (belle_sip_dialog_is_server(dialog)) {
target_to=belle_sip_dialog_get_local_tag(dialog);
target_from=belle_sip_dialog_get_remote_tag(dialog);
} else {
target_from=belle_sip_dialog_get_local_tag(dialog);
target_to=belle_sip_dialog_get_remote_tag(dialog);
}
if (strcmp(from_tag,target_from)==0 && strcmp(to_tag,target_to)==0) {
return dialog;
}
}
}
return NULL;
}
