Cedric Roux
7cbedb1575
This commit introduces a time management module. See doc/time_management.md for details.
90 lines
3.1 KiB
C
90 lines
3.1 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#define _GNU_SOURCE
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#include "nr_pdcp_timer_thread.h"
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#include <stdlib.h>
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#include <pthread.h>
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#include <stdint.h>
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#include "LOG/log.h"
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static pthread_mutex_t timer_thread_mutex = PTHREAD_MUTEX_INITIALIZER;
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static pthread_cond_t timer_thread_cond = PTHREAD_COND_INITIALIZER;
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static volatile uint64_t timer_thread_curtime = 0;
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static void *nr_pdcp_timer_thread(void *_nr_pdcp_ue_manager)
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{
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pthread_setname_np(pthread_self(),"pdcp_timer");
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nr_pdcp_ue_manager_t *nr_pdcp_ue_manager = (nr_pdcp_ue_manager_t *)_nr_pdcp_ue_manager;
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nr_pdcp_ue_t **ue_list;
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int ue_count;
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int i;
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int j;
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uint64_t curtime = 0;
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while (1) {
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if (pthread_mutex_lock(&timer_thread_mutex) != 0) abort();
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while (curtime == timer_thread_curtime)
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if (pthread_cond_wait(&timer_thread_cond, &timer_thread_mutex) != 0) abort();
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curtime = timer_thread_curtime;
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if (pthread_mutex_unlock(&timer_thread_mutex) != 0) abort();
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nr_pdcp_manager_lock(nr_pdcp_ue_manager);
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ue_list = nr_pdcp_manager_get_ue_list(nr_pdcp_ue_manager);
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ue_count = nr_pdcp_manager_get_ue_count(nr_pdcp_ue_manager);
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for (i = 0; i < ue_count; i++) {
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for (j = 0; j < 2; j++) {
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if (ue_list[i]->srb[j] != NULL)
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ue_list[i]->srb[j]->set_time(ue_list[i]->srb[j], curtime);
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}
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for (j = 0; j < 5; j++) {
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if (ue_list[i]->drb[j] != NULL)
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ue_list[i]->drb[j]->set_time(ue_list[i]->drb[j], curtime);
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}
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}
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nr_pdcp_manager_unlock(nr_pdcp_ue_manager);
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}
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return NULL;
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}
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void nr_pdcp_init_timer_thread(nr_pdcp_ue_manager_t *nr_pdcp_ue_manager)
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{
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pthread_t t;
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if (pthread_create(&t, NULL, nr_pdcp_timer_thread, nr_pdcp_ue_manager) != 0) {
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LOG_E(PDCP, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
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exit(1);
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}
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}
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void nr_pdcp_ms_tick(void)
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{
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if (pthread_mutex_lock(&timer_thread_mutex)) abort();
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timer_thread_curtime++;
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if (pthread_cond_broadcast(&timer_thread_cond)) abort();
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if (pthread_mutex_unlock(&timer_thread_mutex)) abort();
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}
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