renamed openair-cn to openair3

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7886 818b1a75-f10b-46b9-bf7c-635c3b92a50f
2015-10-06 16:53:42 +00:00
parent c7518ecf42
commit 7b5431a62c
705 changed files with 206 additions and 208 deletions
@@ -0,0 +1,110 @@
+/*******************************************************************************
+    OpenAirInterface
+    Copyright(c) 1999 - 2014 Eurecom
+
+    OpenAirInterface is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+
+    OpenAirInterface is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenAirInterface.The full GNU General Public License is
+   included in this distribution in the file called "COPYING". If not,
+   see <http://www.gnu.org/licenses/>.
+
+  Contact Information
+  OpenAirInterface Admin: openair_admin@eurecom.fr
+  OpenAirInterface Tech : openair_tech@eurecom.fr
+  OpenAirInterface Dev  : openair4g-devel@lists.eurecom.fr
+
+  Address      : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
+
+ *******************************************************************************/
+
+/*! \file s1ap_eNB_ue_context.c
+ * \brief s1ap UE context management within eNB
+ * \author Sebastien ROUX <sebastien.roux@eurecom.fr>
+ * \date 2012
+ * \version 0.1
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "tree.h"
+
+#include "intertask_interface.h"
+
+#include "s1ap_common.h"
+#include "s1ap_eNB_defs.h"
+#include "s1ap_eNB_ue_context.h"
+
+int s1ap_eNB_compare_eNB_ue_s1ap_id(
+  struct s1ap_eNB_ue_context_s *p1, struct s1ap_eNB_ue_context_s *p2)
+{
+  if (p1->eNB_ue_s1ap_id > p2->eNB_ue_s1ap_id) {
+    return 1;
+  }
+
+  if (p1->eNB_ue_s1ap_id < p2->eNB_ue_s1ap_id) {
+    return -1;
+  }
+
+  return 0;
+}
+
+/* Generate the tree management functions */
+RB_GENERATE(s1ap_ue_map, s1ap_eNB_ue_context_s, entries,
+            s1ap_eNB_compare_eNB_ue_s1ap_id);
+
+struct s1ap_eNB_ue_context_s *s1ap_eNB_allocate_new_UE_context(void)
+{
+  struct s1ap_eNB_ue_context_s *new_p;
+
+  new_p = malloc(sizeof(struct s1ap_eNB_ue_context_s));
+
+  if (new_p == NULL) {
+    S1AP_ERROR("Cannot allocate new ue context\n");
+    return NULL;
+  }
+
+  memset(new_p, 0, sizeof(struct s1ap_eNB_ue_context_s));
+
+  return new_p;
+}
+
+struct s1ap_eNB_ue_context_s *s1ap_eNB_get_ue_context(
+  s1ap_eNB_instance_t *instance_p,
+  uint32_t eNB_ue_s1ap_id)
+{
+  s1ap_eNB_ue_context_t temp;
+
+  memset(&temp, 0, sizeof(struct s1ap_eNB_ue_context_s));
+
+  /* eNB ue s1ap id = 24 bits wide */
+  temp.eNB_ue_s1ap_id = eNB_ue_s1ap_id & 0x00FFFFFF;
+
+  return RB_FIND(s1ap_ue_map, &instance_p->s1ap_ue_head, &temp);
+}
+
+void s1ap_eNB_free_ue_context(struct s1ap_eNB_ue_context_s *ue_context_p)
+{
+  if (ue_context_p == NULL) {
+    S1AP_ERROR("Trying to free a NULL context\n");
+    return;
+  }
+
+  /* TODO: check that context is currently not in the tree of known
+   * contexts.
+   */
+
+  free(ue_context_p);
+}