Enable multiple RC subscriptions

- create hash table to save ric_req_id (key) and array of ran_param_id(s) (values), per each subscription - create RB tree to store list of ric_req_id(s) for each ran_param_id => when the async event occurs, it is easier and faster to search per ran_param_id and send the indication message to all xApps (ric_req_id(s)) subscribed to the same ran_param_id - it is important to mention that both data structures need to be maintained, especially when unsubscription occurs (free_aperiodic_subscription)
2024-02-07 15:14:27 +01:00
parent 3cc3bbbabc
commit d7ff30db55
5 changed files with 263 additions and 61 deletions
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+#ifndef RAN_FUNC_SM_RAN_CTRL_SUBSCRIPTION_AGENT_H
+#define RAN_FUNC_SM_RAN_CTRL_SUBSCRIPTION_AGENT_H
+
+#include "common/utils/hashtable/hashtable.h"
+#include "common/utils/collection/tree.h"
+
+typedef enum {
+  RRC_STATE_CHANGED_TO_E2SM_RC_RAN_PARAM_ID = 202,   // 8.2.4  RAN Parameters for Report Service Style 4
+
+  END_E2SM_RC_RAN_PARAM_ID
+} ran_param_id_e;
+
+typedef struct{
+  size_t len;
+  ran_param_id_e* ran_param_id;
+} arr_ran_param_id_t;
+
+typedef struct ric_req_id_s {
+  RB_ENTRY(ric_req_id_s) entries;
+  uint32_t ric_req_id;
+} rb_ric_req_id_t;
+
+typedef struct {
+  RB_HEAD(ric_id_2_param_id_trees, ric_req_id_s) rb[END_E2SM_RC_RAN_PARAM_ID];  //  1 RB tree = (1 RAN Parameter ID) : (n RIC Request ID) => m RB tree = (m RAN Parameter ID) : (n RIC Request ID)
+  hash_table_t* htable;    // 1 Hash table = (n RIC Request ID) : (m RAN Parameter ID)
+} rc_subs_data_t;
+
+
+int cmp_ric_req_id(struct ric_req_id_s *c1, struct ric_req_id_s *c2);
+
+void init_rc_subs_data(rc_subs_data_t* rc_subs_data);
+void insert_rc_subs_data(rc_subs_data_t* rc_subs_data, uint32_t ric_req_id, arr_ran_param_id_t* arr_ran_param_id);
+void remove_rc_subs_data(rc_subs_data_t* rc_subs_data, uint32_t ric_req_id);
+
+#endif