subscr: Add the subscr_get_or_create from the on-waves/bsc-master branch
Create a subscriber based on a known IMSI, search the list of
active subscribers if there is already someone like this.
diff --git a/openbsc/include/openbsc/gsm_subscriber.h b/openbsc/include/openbsc/gsm_subscriber.h
index 781629c..2cf8d8c 100644
--- a/openbsc/include/openbsc/gsm_subscriber.h
+++ b/openbsc/include/openbsc/gsm_subscriber.h
@@ -77,6 +77,8 @@
const char *ext);
struct gsm_subscriber *subscr_get_by_id(struct gsm_network *net,
unsigned long long id);
+struct gsm_subscriber *subscr_get_or_create(struct gsm_network *net,
+ const char *imsi);
int subscr_update(struct gsm_subscriber *s, struct gsm_bts *bts, int reason);
void subscr_put_channel(struct gsm_subscriber_connection *conn);
void subscr_get_channel(struct gsm_subscriber *subscr,
diff --git a/openbsc/src/gsm_subscriber_base.c b/openbsc/src/gsm_subscriber_base.c
index 4027cd6..f5fb16c 100644
--- a/openbsc/src/gsm_subscriber_base.c
+++ b/openbsc/src/gsm_subscriber_base.c
@@ -219,3 +219,21 @@
subscr_send_paging_request(conn->subscr);
}
+struct gsm_subscriber *subscr_get_or_create(struct gsm_network *net,
+ const char *imsi)
+{
+ struct gsm_subscriber *subscr;
+
+ llist_for_each_entry(subscr, subscr_bsc_active_subscriber(), entry) {
+ if (strcmp(subscr->imsi, imsi) == 0 && subscr->net == net)
+ return subscr_get(subscr);
+ }
+
+ subscr = subscr_alloc();
+ if (!subscr)
+ return NULL;
+
+ strcpy(subscr->imsi, imsi);
+ subscr->net = net;
+ return subscr;
+}