2 files changed, 59 insertions, 0 deletions

diff --git a/openbsc/src/libcommon/common_vty.c b/openbsc/src/libcommon/common_vty.c
index a0674f0f1..66a82d8bc 100644
--- a/openbsc/src/libcommon/common_vty.c
+++ b/openbsc/src/libcommon/common_vty.c
@@ -42,6 +42,15 @@ int bsc_vty_go_parent(struct vty *vty)
 		vty->node = CONFIG_NODE;
 		vty->index = NULL;
 		break;
+	case VIRT_NET_NODE:
+		vty->node = GSMNET_NODE;
+		{
+			/* set vty->index correctly ! */
+			struct gsm_virt_network *virt_net = vty->index;
+			vty->index = virt_net->network;
+			vty->index_sub = NULL;
+		}
+		break;
 	case BTS_NODE:
 		vty->node = GSMNET_NODE;
 		{
@@ -141,3 +150,13 @@ void bsc_replace_string(void *ctx, char **dst, const char *newstr)
 		talloc_free(*dst);
 	*dst = talloc_strdup(ctx, newstr);
 }
+
+int osmo_is_digits(const char *str)
+{
+	int i;
+	for (i = 0; i < strlen(str); i++) {
+		if (!isdigit(str[i]))
+			return 0;
+	}
+	return 1;
+}
diff --git a/openbsc/src/libcommon/gsm_data.c b/openbsc/src/libcommon/gsm_data.c
index 16035edcc..d75e7afef 100644
--- a/openbsc/src/libcommon/gsm_data.c
+++ b/openbsc/src/libcommon/gsm_data.c
@@ -192,6 +192,46 @@ const char *rrlp_mode_name(enum rrlp_mode mode)
 	return get_value_string(rrlp_mode_names, mode);
 }
 
+struct gsm_virt_network *gsm_virt_net_alloc(void *ctx)
+{
+	struct gsm_virt_network *virt_net = talloc_zero(ctx, struct gsm_virt_network);
+	if (!virt_net)
+		return NULL;
+	return virt_net;
+}
+
+struct gsm_virt_network *gsm_virt_net_alloc_register(struct gsm_network *net)
+{
+	struct gsm_virt_network *virt_net;
+
+	virt_net = gsm_virt_net_alloc(net);
+	if (!virt_net)
+		return NULL;
+
+	virt_net->nr = net->num_virt_net++;
+	virt_net->network = net;
+	virt_net->name_short = talloc_strdup(net, "OpenBSC");
+	virt_net->name_long = talloc_strdup(net, "OpenBSC");
+
+	llist_add_tail(&virt_net->list, &net->virt_net_list);
+	return virt_net;
+}
+
+struct gsm_virt_network *gsm_virt_net_num(struct gsm_network *net, int num)
+{
+	struct gsm_virt_network *virt_net;
+
+	if (num >= net->num_virt_net)
+		return NULL;
+
+	llist_for_each_entry(virt_net, &net->virt_net_list, list) {
+		if (virt_net->nr == num)
+			return virt_net;
+	}
+
+	return NULL;
+}
+
 static const struct value_string bts_gprs_mode_names[] = {
 	{ BTS_GPRS_NONE,	"none" },
 	{ BTS_GPRS_GPRS,	"gprs" },