340 lines
12 KiB
C
340 lines
12 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 <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sched.h>
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#include <linux/sched.h>
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#include <signal.h>
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#include <execinfo.h>
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#include <getopt.h>
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#include <syscall.h>
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#include "UTIL/LOG/log_extern.h"
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#include "assertions.h"
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#include "intertask_interface.h"
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#include "sctp_eNB_task.h"
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#include "s1ap_eNB.h"
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#include "enb_config.h"
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#include "oaisim_mme_test_s1c.h"
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# define ENB_REGISTER_RETRY_DELAY 5
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//------------------------------------------------------------------------------
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static void get_options (int argc, char **argv);
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static uint32_t eNB_app_register(const uint32_t enb_id_start, const uint32_t enb_id_end, const Enb_properties_array_t *enb_properties);
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static void *eNB_app_task (void *args_p);
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void mme_test_s1_start_test(instance_t instance);
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//------------------------------------------------------------------------------
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static char *conf_config_file_name = NULL;
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const Enb_properties_array_t *enb_properties = NULL;
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int16_t glog_level = LOG_INFO;
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int16_t glog_verbosity = LOG_MED;
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s1c_test_t s1c_test = {
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0, // scenario_index
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0, // tx_next_message_index
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0, // rx_next_message_index
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0 // assoc_id
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};
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//------------------------------------------------------------------------------
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static void get_options (int argc, char **argv)
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//------------------------------------------------------------------------------
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{
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int c;
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while ((c = getopt_long (argc, argv, "K:g:G:O:",NULL,NULL)) != -1) {
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switch (c) {
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case 'O':
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conf_config_file_name = optarg;
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break;
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case 'g':
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glog_level=atoi(optarg); // value between 1 - 9
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break;
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case 'G':
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glog_verbosity=atoi(optarg);// value from 0, 0x5, 0x15, 0x35, 0x75
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break;
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default:
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break;
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}
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}
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AssertFatal(conf_config_file_name != NULL,"Please provide a configuration file\n");
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}
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//------------------------------------------------------------------------------
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static uint32_t eNB_app_register(const uint32_t enb_id_start, const uint32_t enb_id_end, const Enb_properties_array_t *enb_properties)
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//------------------------------------------------------------------------------
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{
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uint32_t enb_id;
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uint32_t mme_id;
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MessageDef *msg_p;
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uint32_t register_enb_pending = 0;
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char *str = NULL;
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struct in_addr addr;
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// 1 eNB should be max.
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// 1 eNB should be max.
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for (enb_id = enb_id_start; (enb_id < enb_id_end) ; enb_id++) {
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{
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s1ap_register_enb_req_t *s1ap_register_eNB;
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/* note: there is an implicit relationship between the data structure and the message name */
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msg_p = itti_alloc_new_message (TASK_ENB_APP, S1AP_REGISTER_ENB_REQ);
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s1ap_register_eNB = &S1AP_REGISTER_ENB_REQ(msg_p);
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/* Some default/random parameters */
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s1ap_register_eNB->eNB_id = enb_properties->properties[enb_id]->eNB_id;
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s1ap_register_eNB->cell_type = enb_properties->properties[enb_id]->cell_type;
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s1ap_register_eNB->eNB_name = enb_properties->properties[enb_id]->eNB_name;
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s1ap_register_eNB->tac = enb_properties->properties[enb_id]->tac;
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s1ap_register_eNB->mcc = enb_properties->properties[enb_id]->mcc;
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s1ap_register_eNB->mnc = enb_properties->properties[enb_id]->mnc;
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s1ap_register_eNB->mnc_digit_length = enb_properties->properties[enb_id]->mnc_digit_length;
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s1ap_register_eNB->default_drx = enb_properties->properties[enb_id]->pcch_defaultPagingCycle[0];
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s1ap_register_eNB->nb_mme = enb_properties->properties[enb_id]->nb_mme;
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AssertFatal (s1ap_register_eNB->nb_mme <= S1AP_MAX_NB_MME_IP_ADDRESS, "Too many MME for eNB %d (%d/%d)!", enb_id, s1ap_register_eNB->nb_mme,
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S1AP_MAX_NB_MME_IP_ADDRESS);
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for (mme_id = 0; mme_id < s1ap_register_eNB->nb_mme; mme_id++) {
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s1ap_register_eNB->mme_ip_address[mme_id].ipv4 = enb_properties->properties[enb_id]->mme_ip_address[mme_id].ipv4;
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s1ap_register_eNB->mme_ip_address[mme_id].ipv6 = enb_properties->properties[enb_id]->mme_ip_address[mme_id].ipv6;
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strncpy (s1ap_register_eNB->mme_ip_address[mme_id].ipv4_address,
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enb_properties->properties[enb_id]->mme_ip_address[mme_id].ipv4_address,
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sizeof(s1ap_register_eNB->mme_ip_address[0].ipv4_address));
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strncpy (s1ap_register_eNB->mme_ip_address[mme_id].ipv6_address,
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enb_properties->properties[enb_id]->mme_ip_address[mme_id].ipv6_address,
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sizeof(s1ap_register_eNB->mme_ip_address[0].ipv6_address));
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}
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s1ap_register_eNB->enb_ip_address.ipv6 = 0;
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s1ap_register_eNB->enb_ip_address.ipv4 = 1;
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addr.s_addr = enb_properties->properties[enb_id]->enb_ipv4_address_for_S1_MME;
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str = inet_ntoa(addr);
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strcpy(s1ap_register_eNB->enb_ip_address.ipv4_address, str);
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itti_send_msg_to_task (TASK_S1AP, ENB_MODULE_ID_TO_INSTANCE(enb_id), msg_p);
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register_enb_pending++;
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}
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}
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return register_enb_pending;
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}
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//------------------------------------------------------------------------------
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static void *eNB_app_task(void *args_p)
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//------------------------------------------------------------------------------
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{
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const Enb_properties_array_t *enb_properties_p = NULL;
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uint32_t enb_nb = 1; /* Default number of eNB is 1 */
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uint32_t enb_id_start = 0;
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uint32_t enb_id_end = enb_id_start + enb_nb;
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uint32_t register_enb_pending;
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uint32_t registered_enb;
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long enb_register_retry_timer_id;
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MessageDef *msg_p = NULL;
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const char *msg_name = NULL;
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instance_t instance;
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int result;
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itti_mark_task_ready (TASK_ENB_APP);
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enb_properties_p = enb_config_get();
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AssertFatal (enb_nb <= enb_properties_p->number,
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"Number of eNB is greater than eNB defined in configuration file (%d/%d)!",
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enb_nb, enb_properties_p->number);
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/* Try to register each eNB */
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registered_enb = 0;
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register_enb_pending = eNB_app_register (enb_id_start, enb_id_end, enb_properties_p);
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do {
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// Wait for a message
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itti_receive_msg (TASK_ENB_APP, &msg_p);
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msg_name = ITTI_MSG_NAME (msg_p);
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instance = ITTI_MSG_DESTINATION_INSTANCE (msg_p);
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switch (ITTI_MSG_ID(msg_p)) {
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case TERMINATE_MESSAGE:
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itti_exit_task ();
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break;
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case MESSAGE_TEST:
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LOG_I(ENB_APP, "Received %s\n", ITTI_MSG_NAME(msg_p));
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break;
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case S1AP_REGISTER_ENB_CNF:
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LOG_I(ENB_APP, "[eNB %d] Received %s: associated MME %d\n", instance, msg_name,
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S1AP_REGISTER_ENB_CNF(msg_p).nb_mme);
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DevAssert(register_enb_pending > 0);
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register_enb_pending--;
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/* Check if at least eNB is registered with one MME */
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if (S1AP_REGISTER_ENB_CNF(msg_p).nb_mme > 0) {
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registered_enb++;
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}
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/* Check if all register eNB requests have been processed */
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if (register_enb_pending == 0) {
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if (registered_enb == enb_nb) {
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mme_test_s1_start_test(instance);
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} else {
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uint32_t not_associated = enb_nb - registered_enb;
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LOG_W(ENB_APP, " %d eNB %s not associated with a MME, retrying registration in %d seconds ...\n",
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not_associated, not_associated > 1 ? "are" : "is", ENB_REGISTER_RETRY_DELAY);
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/* Restart the eNB registration process in ENB_REGISTER_RETRY_DELAY seconds */
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if (timer_setup (ENB_REGISTER_RETRY_DELAY, 0, TASK_ENB_APP, INSTANCE_DEFAULT, TIMER_ONE_SHOT,
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NULL, &enb_register_retry_timer_id) < 0) {
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LOG_E(ENB_APP, " Can not start eNB register retry timer, use \"sleep\" instead!\n");
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sleep(ENB_REGISTER_RETRY_DELAY);
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/* Restart the registration process */
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registered_enb = 0;
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register_enb_pending = eNB_app_register (enb_id_start, enb_id_end, enb_properties_p);
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}
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}
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}
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break;
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case S1AP_DEREGISTERED_ENB_IND:
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LOG_W(ENB_APP, "[eNB %d] Received %s: associated MME %d\n", instance, msg_name,
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S1AP_DEREGISTERED_ENB_IND(msg_p).nb_mme);
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/* TODO handle recovering of registration */
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break;
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case TIMER_HAS_EXPIRED:
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LOG_I(ENB_APP, " Received %s: timer_id %d\n", msg_name, TIMER_HAS_EXPIRED(msg_p).timer_id);
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if (TIMER_HAS_EXPIRED (msg_p).timer_id == enb_register_retry_timer_id) {
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/* Restart the registration process */
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registered_enb = 0;
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register_enb_pending = eNB_app_register (enb_id_start, enb_id_end, enb_properties_p);
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}
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break;
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default:
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LOG_E(ENB_APP, "Received unexpected message %s\n", msg_name);
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break;
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}
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result = itti_free (ITTI_MSG_ORIGIN_ID(msg_p), msg_p);
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AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
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} while (1);
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return NULL;
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}
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//------------------------------------------------------------------------------
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void mme_test_s1_start_test(instance_t instance)
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//------------------------------------------------------------------------------
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{
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s1ap_eNB_itti_send_sctp_data_req(instance,
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s1c_test.assoc_id,
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s1ap_scenarios[s1c_test.scenario_index][s1c_test.tx_next_message_index].buffer,
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s1ap_scenarios[s1c_test.scenario_index][s1c_test.tx_next_message_index].buf_len,
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s1ap_scenarios[s1c_test.scenario_index][s1c_test.tx_next_message_index].sctp_stream_id);
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}
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//------------------------------------------------------------------------------
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void mme_test_s1_notify_sctp_data_ind(uint32_t assoc_id, int32_t stream, const uint8_t * const data, const uint32_t data_length)
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//------------------------------------------------------------------------------
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{
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}
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//------------------------------------------------------------------------------
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int main( int argc, char **argv )
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//------------------------------------------------------------------------------
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{
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// initialize the log (see log.h for details)
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logInit();
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get_options (argc, argv); //Command-line options
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set_glog(glog_level, glog_verbosity);
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log_set_instance_type (LOG_INSTANCE_ENB);
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/* Read eNB configuration file */
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enb_properties = enb_config_init(conf_config_file_name);
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itti_init(TASK_MAX, tasks_info);
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itti_wait_ready(1);
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if (itti_create_task (TASK_SCTP, sctp_eNB_task, NULL) < 0) {
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LOG_E(SCTP, "Create task for SCTP failed\n");
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return -1;
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}
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if (itti_create_task (TASK_S1AP, s1ap_eNB_task, NULL) < 0) {
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LOG_E(S1AP, "Create task for S1AP failed\n");
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return -1;
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}
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if (itti_create_task (TASK_ENB_APP, eNB_app_task, NULL) < 0) {
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LOG_E(S1AP, "Create task for S1AP failed\n");
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return -1;
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}
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itti_wait_ready(0);
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sleep(30);
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logClean();
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return 0;
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}
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