SS/USSD: implement an IUSE for getting RAN type(s)
Change-Id: I8d95413784b039df50a4cdcac49289060f0414c6
diff --git a/src/hlr_ussd.c b/src/hlr_ussd.c
index cc6aa8a..753e48b 100644
--- a/src/hlr_ussd.c
+++ b/src/hlr_ussd.c
@@ -320,6 +320,41 @@
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 @@
.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)