int sal_call_notify_ringing(SalOp *op, bool_t early_media){
int status_code =early_media?183:180;
belle_sip_request_t* req=belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(op->pending_server_trans));
belle_sip_response_t* ringing_response = sal_op_create_response_from_request(op,req,status_code);
belle_sip_header_t *require;
const char *tags=NULL;
if (early_media){
handle_offer_answer_response(op,ringing_response);
}
require=belle_sip_message_get_header((belle_sip_message_t*)req,"Require");
if (require) tags=belle_sip_header_get_unparsed_value(require);
/* if client requires 100rel, then add necessary stuff*/
if (tags && strstr(tags,"100rel")!=0) {
belle_sip_message_add_header((belle_sip_message_t*)ringing_response,belle_sip_header_create("Require","100rel"));
belle_sip_message_add_header((belle_sip_message_t*)ringing_response,belle_sip_header_create("RSeq","1"));
}
#ifndef SAL_OP_CALL_FORCE_CONTACT_IN_RINGING
if (tags && strstr(tags,"100rel")!=0)
#endif
{
belle_sip_header_address_t* contact= (belle_sip_header_address_t*)sal_op_get_contact_address(op);
belle_sip_header_contact_t* contact_header;
if (contact && (contact_header=belle_sip_header_contact_create(contact))) {
belle_sip_message_add_header(BELLE_SIP_MESSAGE(ringing_response),BELLE_SIP_HEADER(contact_header));
}
}
belle_sip_server_transaction_send_response(op->pending_server_trans,ringing_response);
return 0;
}
/*accept an incoming call or, during a call accept a reINVITE*/
int sal_call_accept(SalOp*h){
belle_sip_response_t *response;
belle_sip_header_contact_t* contact_header;
if (!h->pending_server_trans) {
ms_error("No transaction to accept for op [%p]",h);
return -1;
}
/* sends a 200 OK */
response = sal_op_create_response_from_request(h,belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(h->pending_server_trans)),200);
if (response==NULL){
ms_error("Fail to build answer for call");
return -1;
}
belle_sip_message_add_header(BELLE_SIP_MESSAGE(response),BELLE_SIP_HEADER(create_allow()));
if (h->base.root->session_expires!=0){
if (h->supports_session_timers) {
belle_sip_message_add_header(BELLE_SIP_MESSAGE(response),belle_sip_header_create( "Supported", "timer"));
}
}
if ((contact_header=sal_op_create_contact(h))) {
belle_sip_message_add_header(BELLE_SIP_MESSAGE(response),BELLE_SIP_HEADER(contact_header));
}
handle_offer_answer_response(h,response);
belle_sip_server_transaction_send_response(h->pending_server_trans,response);
return 0;
}
/*accept an incoming call or, during a call accept a reINVITE*/
int sal_call_accept(SalOp*h){
belle_sip_response_t *response;
belle_sip_header_contact_t* contact_header;
belle_sip_server_transaction_t* transaction;
/*first check if an UPDATE transaction need to be accepted*/
if (h->pending_update_server_trans) {
transaction=h->pending_update_server_trans;
} else if (h->pending_server_trans) {
/*so it must be an invite/re-invite*/
transaction=h->pending_server_trans;
} else {
ms_error("No transaction to accept for op [%p]",h);
return -1;
}
ms_message("Accepting server transaction [%p] on op [%p]", transaction, h);
/* sends a 200 OK */
response = sal_op_create_response_from_request(h,belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(transaction)),200);
if (response==NULL){
ms_error("Fail to build answer for call");
return -1;
}
belle_sip_message_add_header(BELLE_SIP_MESSAGE(response),BELLE_SIP_HEADER(create_allow(h->base.root->enable_sip_update)));
if (h->base.root->session_expires!=0){
/* if (h->supports_session_timers) {*/
belle_sip_message_add_header(BELLE_SIP_MESSAGE(response),belle_sip_header_create("Supported", "timer"));
belle_sip_message_add_header(BELLE_SIP_MESSAGE(response),belle_sip_header_create( "Session-expires", "600;refresher=uac"));
/*}*/
}
if ((contact_header=sal_op_create_contact(h))) {
belle_sip_message_add_header(BELLE_SIP_MESSAGE(response),BELLE_SIP_HEADER(contact_header));
}
_sal_op_add_custom_headers(h, BELLE_SIP_MESSAGE(response));
handle_offer_answer_response(h,response);
belle_sip_server_transaction_send_response(transaction,response);
if (h->pending_update_server_trans) {
belle_sip_object_unref(h->pending_update_server_trans);
h->pending_update_server_trans=NULL;
}
return 0;
}