SS/USSD: implement an IUSE for getting RAN type(s)

Change-Id: I8d95413784b039df50a4cdcac49289060f0414c6
This commit is contained in:
Vadim Yanitskiy 2018-12-27 05:39:54 +07:00
parent 7d29e3473a
commit 4bd7bdb958
2 changed files with 42 additions and 2 deletions

View File

@ -320,6 +320,41 @@ static int handle_ussd_own_imsi(struct osmo_gsup_conn *conn, struct ss_session *
return 0;
}
static int handle_ussd_get_ran(struct osmo_gsup_conn *conn, struct ss_session *ss,
const struct osmo_gsup_message *gsup,
const struct ss_request *req)
{
struct hlr_subscriber subscr;
const char *response;
int rc;
#define RAN_TYPE_DESC "Available RAN types: "
rc = db_subscr_get_by_imsi(g_hlr->dbc, ss->imsi, &subscr);
switch (rc) {
case 0:
if (subscr.rat_types[OSMO_RAT_GERAN_A] && subscr.rat_types[OSMO_RAT_UTRAN_IU])
response = RAN_TYPE_DESC "GERAN-A (2G) & UTRAN-Iu (3G)";
else if (subscr.rat_types[OSMO_RAT_GERAN_A])
response = RAN_TYPE_DESC "GERAN-A (2G)";
else if (subscr.rat_types[OSMO_RAT_UTRAN_IU])
response = RAN_TYPE_DESC "UTRAN-Iu (3G)";
else
response = "No RAN types available";
rc = ss_tx_ussd_7bit(ss, true, req->invoke_id, response);
break;
case -ENOENT:
rc = ss_tx_error(ss, true, GSM0480_ERR_CODE_UNKNOWN_SUBSCRIBER);
break;
case -EIO:
default:
rc = ss_tx_error(ss, true, GSM0480_ERR_CODE_SYSTEM_FAILURE);
break;
}
return rc;
}
static const struct hlr_iuse hlr_iuses[] = {
{
@ -330,6 +365,10 @@ static const struct hlr_iuse hlr_iuses[] = {
.name = "own-imsi",
.handle_ussd = handle_ussd_own_imsi,
},
{
.name = "get-ran",
.handle_ussd = handle_ussd_get_ran,
},
};
const struct hlr_iuse *iuse_find(const char *name)

View File

@ -133,10 +133,11 @@ DEFUN(cfg_hlr_gsup_bind_ip,
#define UROUTE_STR "Routing Configuration\n"
#define PREFIX_STR "Prefix-Matching Route\n" "USSD Prefix\n"
#define INT_CHOICE "(own-msisdn|own-imsi)"
#define INT_CHOICE "(own-msisdn|own-imsi|get-ran)"
#define INT_STR "Internal USSD Handler\n" \
"Respond with subscribers' own MSISDN\n" \
"Respond with subscribers' own IMSI\n"
"Respond with subscribers' own IMSI\n" \
"Respond with available RAN types\n"
#define EXT_STR "External USSD Handler\n" \
"Name of External USSD Handler (IPA CCM ID)\n"