// Called during a dialog for start and update requests
//
// Return codes:
// 1 - Ok
// -1 - Session not found
// -5 - Internal error (message parsing, communication, ...)
static int
call_control_start(struct sip_msg *msg, struct dlg_cell *dlg)
{
CallInfo *call;
char *message, *result;
call = get_call_info(msg, CAStart);
if (!call) {
LOG(L_ERR, "can't retrieve call info\n");
return -5;
}
call->dialog_id.h_entry = dlg->h_entry;
call->dialog_id.h_id = dlg->h_id;
if (!cc_start_avps)
message = make_default_request(call);
else
message = make_custom_request(msg, call);
if (!message)
return -5;
result = send_command(message);
if (result==NULL) {
return -5;
} else if (strcasecmp(result, "Ok\r\n")==0) {
return 1;
} else if (strcasecmp(result, "Not found\r\n")==0) {
return -1;
} else {
return -5;
}
}
// Called during a dialog ending to stop callcontrol
//
// Return codes:
// 1 - Ok
// -1 - Session not found
// -5 - Internal error (message parsing, communication, ...)
static int
call_control_stop(struct sip_msg *msg, str callid)
{
CallInfo call;
char *message, *result;
call.action = CAStop;
call.callid = callid;
if (!cc_stop_avps)
message = make_default_request(&call);
else
message = make_custom_request(msg, &call);
if (!message)
return -5;
result = send_command(message);
if (result==NULL) {
return -5;
} else if (strcasecmp(result, "Ok\r\n")==0) {
return 1;
} else if (strcasecmp(result, "Not found\r\n")==0) {
return -1;
} else {
return -5;
}
}
// 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
call_control_initialize(struct sip_msg *msg)
{
CallInfo *call;
char *message, *result = NULL;
call = get_call_info(msg, CAInitialize);
if (!call) {
LM_ERR("can't retrieve call info\n");
return -5;
}
if (!init_avps)
message = make_default_request(call);
else
message = make_custom_request(msg, call);
if (!message)
return -5;
result = send_command(message);
if (result==NULL) {
return -5;
} else if (strcasecmp(result, "No limit\r\n")==0) {
return 2;
} else if (strcasecmp(result, "Limited\r\n")==0) {
return 1;
} else if (strcasecmp(result, "No credit\r\n")==0) {
return -1;
} else if (strcasecmp(result, "Locked\r\n")==0) {
return -2;
} else if (strcasecmp(result, "Duplicated callid\r\n")==0) {
return -3;
} else if (strcasecmp(result, "Call limit reached\r\n")==0) {
return -4;
} else {
return -5;
}
}