From fdd47e5701c08467b444a910c5c9857181ab0448 Mon Sep 17 00:00:00 2001
From: Robert Schmidt <robert.schmidt@eurecom.fr>
Date: Thu, 25 Oct 2018 16:20:48 +0200
Subject: [PATCH] RAN API: add functions for getting UE RNTIs directly from RRC
---
openair2/ENB_APP/flexran_agent_ran_api.c | 28 ++++++++++++++++++++++++
openair2/ENB_APP/flexran_agent_ran_api.h | 10 +++++++++
2 files changed, 38 insertions(+)
diff --git a/openair2/ENB_APP/flexran_agent_ran_api.c b/openair2/ENB_APP/flexran_agent_ran_api.c
index c274455a53..15532e086b 100644
--- a/openair2/ENB_APP/flexran_agent_ran_api.c
+++ b/openair2/ENB_APP/flexran_agent_ran_api.c
@@ -747,7 +747,35 @@ uint8_t flexran_get_num_pdcch_symb(mid_t mod_id, uint8_t cc_id)
* Get Messages for UE Configuration Reply
* ************************************
*/
+int flexran_get_rrc_num_ues(mid_t mod_id)
+{
+ if (!rrc_is_present(mod_id)) return 0;
+ return RC.rrc[mod_id]->Nb_ue;
+}
+rnti_t flexran_get_rrc_rnti_nth_ue(mid_t mod_id, int index)
+{
+ if (!rrc_is_present(mod_id)) return 0;
+ struct rrc_eNB_ue_context_s* ue_context_p = NULL;
+ RB_FOREACH(ue_context_p, rrc_ue_tree_s, &RC.rrc[mod_id]->rrc_ue_head) {
+ if (index == 0) return ue_context_p->ue_context.rnti;
+ --index;
+ }
+ return 0;
+}
+
+int flexran_get_rrc_rnti_list(mid_t mod_id, rnti_t *list, int max_list)
+{
+ if (!rrc_is_present(mod_id)) return 0;
+ int n = 0;
+ struct rrc_eNB_ue_context_s* ue_context_p = NULL;
+ RB_FOREACH(ue_context_p, rrc_ue_tree_s, &RC.rrc[mod_id]->rrc_ue_head) {
+ if (n >= max_list) break;
+ list[n] = ue_context_p->ue_context.rnti;
+ ++n;
+ }
+ return n;
+}
TimeAlignmentTimer_t flexran_get_time_alignment_timer(mid_t mod_id, mid_t ue_id)
{
diff --git a/openair2/ENB_APP/flexran_agent_ran_api.h b/openair2/ENB_APP/flexran_agent_ran_api.h
index 2b0652939a..ada2cbd30c 100644
--- a/openair2/ENB_APP/flexran_agent_ran_api.h
+++ b/openair2/ENB_APP/flexran_agent_ran_api.h
@@ -304,6 +304,16 @@ Protocol__FlexPhichDuration flexran_get_phich_duration(mid_t mod_id, uint8_t cc_
* Get Messages for UE Configuration Reply
* ************************************
*/
+/* Get the number of attached UEs for the RRC */
+int flexran_get_rrc_num_ues(mid_t mod_id);
+
+/* Get the RNTI of UE at index 'index' in RRC list */
+rnti_t flexran_get_rrc_rnti_nth_ue(mid_t mod_id, int index);
+
+/* Get the list of RNTIs of up to max_list entries. When max_list >=
+ * flexran_get_rrc_num_ues(), gets a list of all UEs registered in the RRC. UE
+ * RNTIs are saved in list, returns number of saved RNTIs */
+int flexran_get_rrc_rnti_list(mid_t mod_id, rnti_t *list, int max_list);
/* Get timer in subframes. Controls the synchronization
status of the UE, not the actual timing
--
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