// Return codes:
// 2 - No limit
// 1 - Limited
// -1 - No credit
// -2 - Locked
// -3 - Duplicated callid
// -4 - Call limit reached
// -5 - Internal error (message parsing, communication, ...)
static int
CallControl(struct sip_msg *msg, char *str1, char *str2)
{
int result;
struct dlg_cell *dlg;
CallInfo *call;
if (disable)
return 2;
if (msg->first_line.type!=SIP_REQUEST || msg->REQ_METHOD!=METHOD_INVITE || has_to_tag(msg)) {
LM_WARN("call_control should only be called for the first INVITE\n");
return -5;
}
result = call_control_initialize(msg);
if (result == 1) {
// A call with a time limit that will be traced by callcontrol
if (dlg_api.create_dlg(msg, 0) < 0) {
LM_ERR("could not create new dialog\n");
call = get_call_info(msg, CAStop);
if (!call) {
LM_ERR("can't retrieve call info\n");
return -5;
}
call_control_stop(msg, call->callid);
return -5;
}
dlg = dlg_api.get_dlg();
if (!dlg) {
LM_CRIT("error getting dialog\n");
call = get_call_info(msg, CAStop);
if (!call) {
LM_ERR("can't retrieve call info\n");
return -5;
}
call_control_stop(msg, call->callid);
return -5;
}
if (dlg_api.register_dlgcb(dlg, DLGCB_RESPONSE_FWDED, __dialog_replies, NULL, NULL) != 0) {
LM_ERR("cannot register callback for dialog confirmation\n");
call_control_stop(msg, dlg->callid);
return -5;
}
if (dlg_api.register_dlgcb(dlg, DLGCB_TERMINATED | DLGCB_FAILED | DLGCB_EXPIRED | DLGCB_DESTROY, __dialog_ended, (void*)CCActive, NULL) != 0) {
LM_ERR("cannot register callback for dialog termination\n");
call_control_stop(msg, dlg->callid);
return -5;
}
}
return result;
}
// Return codes:
// 2 - No limit
// 1 - Limited
// -1 - No credit
// -2 - Locked
// -3 - No provider
// -5 - Internal error (message parsing, communication, ...)
static int
CallControl(struct sip_msg *msg, char *str1, char *str2)
{
int result;
if (disable)
return 2;
if (msg->first_line.type!=SIP_REQUEST || msg->REQ_METHOD!=METHOD_INVITE || has_to_tag(msg)) {
LOG(L_WARN, "call_control should only be called for the first INVITE\n");
return -5;
}
result = call_control_initialize(msg);
if (result == 1) {
// A call with a time limit that will be traced by callcontrol
msg->msg_flags |= FL_USE_CALL_CONTROL;
setflag(msg, dialog_flag); // have the dialog module trace this dialog
}
return result;
}
