Cedric Roux
85e85fb93a
pre-ci tests passed git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4342 818b1a75-f10b-46b9-bf7c-635c3b92a50f
110 lines
3.0 KiB
C
110 lines
3.0 KiB
C
/*******************************************************************************
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Eurecom OpenAirInterface
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Copyright(c) 1999 - 2012 Eurecom
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This program is free software; you can redistribute it and/or modify it
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under the terms and conditions of the GNU General Public License,
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version 2, as published by the Free Software Foundation.
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This program is distributed in the hope it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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The full GNU General Public License is included in this distribution in
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the file called "COPYING".
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Contact Information
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Openair Admin: openair_admin@eurecom.fr
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Openair Tech : openair_tech@eurecom.fr
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Forums : http://forums.eurecom.fr/openairinterface
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Address : EURECOM, Campus SophiaTech, 450 Route des Chappes
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06410 Biot FRANCE
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*******************************************************************************/
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/*! \file s1ap_eNB_ue_context.c
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* \brief s1ap UE context management within eNB
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* \author Sebastien ROUX <sebastien.roux@eurecom.fr>
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* \date 2012
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* \version 0.1
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include "tree.h"
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#include "intertask_interface.h"
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#include "s1ap_common.h"
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#include "s1ap_eNB_defs.h"
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#include "s1ap_eNB_ue_context.h"
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inline int s1ap_eNB_compare_eNB_ue_s1ap_id(
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struct s1ap_eNB_ue_context_s *p1, struct s1ap_eNB_ue_context_s *p2)
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{
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if (p1->eNB_ue_s1ap_id > p2->eNB_ue_s1ap_id) {
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return 1;
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}
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if (p1->eNB_ue_s1ap_id < p2->eNB_ue_s1ap_id) {
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return -1;
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}
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return 0;
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}
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/* Generate the tree management functions */
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RB_GENERATE(s1ap_ue_map, s1ap_eNB_ue_context_s, entries,
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s1ap_eNB_compare_eNB_ue_s1ap_id);
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struct s1ap_eNB_ue_context_s *s1ap_eNB_allocate_new_UE_context(void)
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{
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struct s1ap_eNB_ue_context_s *new_p;
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new_p = malloc(sizeof(struct s1ap_eNB_ue_context_s));
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if (new_p == NULL) {
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S1AP_ERROR("Cannot allocate new ue context\n");
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return NULL;
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}
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memset(new_p, 0, sizeof(struct s1ap_eNB_ue_context_s));
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return new_p;
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}
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struct s1ap_eNB_ue_context_s *s1ap_eNB_get_ue_context(
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s1ap_eNB_instance_t *instance_p,
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uint32_t eNB_ue_s1ap_id)
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{
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s1ap_eNB_ue_context_t temp;
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memset(&temp, 0, sizeof(struct s1ap_eNB_ue_context_s));
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/* eNB ue s1ap id = 24 bits wide */
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temp.eNB_ue_s1ap_id = eNB_ue_s1ap_id & 0x00FFFFFF;
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return RB_FIND(s1ap_ue_map, &instance_p->s1ap_ue_head, &temp);
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}
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void s1ap_eNB_free_ue_context(struct s1ap_eNB_ue_context_s *ue_context_p)
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{
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if (ue_context_p == NULL) {
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S1AP_ERROR("Trying to free a NULL context\n");
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return;
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}
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/* TODO: check that context is currently not in the tree of known
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* contexts.
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*/
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free(ue_context_p);
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}
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