[vty] Count pending paging requests for the vty

Implement a method to count the number of pending paging requests
per bts and print it on the VTY. This helps to see how big the
backlog of requests is for a given BTS.

1 files changed, 12 insertions, 0 deletions

diff --git a/openbsc/src/paging.c b/openbsc/src/paging.c
index 9a4f3657b..f6cf1fd1d 100644
--- a/openbsc/src/paging.c
+++ b/openbsc/src/paging.c
@@ -326,3 +326,15 @@ void paging_update_buffer_space(struct gsm_bts *bts, u_int16_t free_slots)
 {
 	bts->paging.available_slots = free_slots;
 }
+
+unsigned int paging_pending_requests_nr(struct gsm_bts *bts)
+{
+	unsigned int requests = 0;
+
+	struct gsm_paging_request *req;
+
+	llist_for_each_entry(req, &bts->paging.pending_requests, entry)
+		++requests;
+
+	return requests;
+}