bsc: Prepare to have multiple MSC connections
We now have a list of MSCs but in the code we will
try to access the MSC with the nr 0.
diff --git a/openbsc/src/osmo-bsc/osmo_bsc_msc.c b/openbsc/src/osmo-bsc/osmo_bsc_msc.c
index b2962a9..617a59a 100644
--- a/openbsc/src/osmo-bsc/osmo_bsc_msc.c
+++ b/openbsc/src/osmo-bsc/osmo_bsc_msc.c
@@ -455,3 +455,43 @@
return 0;
}
+
+struct osmo_msc_data *osmo_msc_data_find(struct gsm_network *net, int nr)
+{
+ struct osmo_msc_data *msc_data;
+
+ llist_for_each_entry(msc_data, &net->bsc_data->mscs, entry)
+ if (msc_data->nr == nr)
+ return msc_data;
+ return NULL;
+}
+
+struct osmo_msc_data *osmo_msc_data_alloc(struct gsm_network *net, int nr)
+{
+ struct osmo_msc_data *msc_data;
+
+ /* check if there is already one */
+ msc_data = osmo_msc_data_find(net, nr);
+ if (msc_data)
+ return msc_data;
+
+ msc_data = talloc_zero(net, struct osmo_msc_data);
+ if (!msc_data)
+ return NULL;
+
+ llist_add_tail(&msc_data->entry, &net->bsc_data->mscs);
+
+ /* Init back pointer */
+ msc_data->network = net;
+
+ INIT_LLIST_HEAD(&msc_data->dests);
+ msc_data->ping_timeout = 20;
+ msc_data->pong_timeout = 5;
+ msc_data->core_ncc = -1;
+ msc_data->core_mcc = -1;
+ msc_data->rtp_base = 4000;
+
+ msc_data->nr = nr;
+
+ return msc_data;
+}