Lionel Gauthier
26495e6a0a
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5552 818b1a75-f10b-46b9-bf7c-635c3b92a50f
202 lines
7.2 KiB
C
202 lines
7.2 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@eurecom.fr
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Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
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*******************************************************************************/
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include "intertask_interface.h"
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#include "mme_config.h"
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#include "nas_defs.h"
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#if !defined(DISABLE_USE_NAS)
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# include "nas_network.h"
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# include "nas_proc.h"
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# include "emm_main.h"
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# include "nas_log.h"
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# include "nas_timer.h"
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#endif
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#define NAS_ERROR(x, args...) do { fprintf(stderr, "[NAS] [E]"x, ##args); } while(0)
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#define NAS_DEBUG(x, args...) do { fprintf(stdout, "[NAS] [D]"x, ##args); } while(0)
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#define NAS_WARN(x, args...) do { fprintf(stdout, "[NAS] [W]"x, ##args); } while(0)
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static void *nas_intertask_interface(void *args_p)
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{
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itti_mark_task_ready(TASK_NAS_MME);
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while(1) {
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MessageDef *received_message_p;
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next_message:
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itti_receive_msg(TASK_NAS_MME, &received_message_p);
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switch (ITTI_MSG_ID(received_message_p))
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{
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case NAS_CONNECTION_ESTABLISHMENT_IND: {
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#if defined(DISABLE_USE_NAS)
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MessageDef *message_p;
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nas_attach_req_t *nas_req_p;
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s1ap_initial_ue_message_t *transparent;
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NAS_DEBUG("NAS abstraction: Generating NAS ATTACH REQ\n");
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message_p = itti_alloc_new_message(TASK_NAS_MME, NAS_ATTACH_REQ);
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nas_req_p = &message_p->ittiMsg.nas_attach_req;
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transparent = &message_p->ittiMsg.nas_attach_req.transparent;
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nas_req_p->initial = INITIAL_REQUEST;
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sprintf(nas_req_p->imsi, "%14llu", 20834123456789ULL);
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memcpy(transparent, &received_message_p->ittiMsg.nas_conn_est_ind.transparent,
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sizeof(s1ap_initial_ue_message_t));
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itti_send_msg_to_task(TASK_MME_APP, INSTANCE_DEFAULT, message_p);
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#else
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nas_establish_ind_t *nas_est_ind_p;
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nas_est_ind_p = &received_message_p->ittiMsg.nas_conn_est_ind.nas;
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nas_proc_establish_ind(nas_est_ind_p->UEid,
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nas_est_ind_p->tac,
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nas_est_ind_p->initialNasMsg.data,
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nas_est_ind_p->initialNasMsg.length);
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#endif
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} break;
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#if defined(DISABLE_USE_NAS)
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case NAS_ATTACH_ACCEPT: {
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itti_send_msg_to_task(TASK_S1AP, INSTANCE_DEFAULT, received_message_p);
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goto next_message;
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} break;
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case NAS_AUTHENTICATION_REQ: {
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MessageDef *message_p;
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nas_auth_resp_t *nas_resp_p;
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NAS_DEBUG("NAS abstraction: Generating NAS AUTHENTICATION RESPONSE\n");
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message_p = itti_alloc_new_message(TASK_NAS_MME, NAS_AUTHENTICATION_RESP);
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nas_resp_p = &message_p->ittiMsg.nas_auth_resp;
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memcpy(nas_resp_p->imsi, received_message_p->ittiMsg.nas_auth_req.imsi, 16);
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itti_send_msg_to_task(TASK_MME_APP, INSTANCE_DEFAULT, message_p);
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} break;
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#else
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case NAS_UPLINK_DATA_IND: {
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nas_proc_ul_transfer_ind(NAS_UL_DATA_IND(received_message_p).UEid,
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NAS_UL_DATA_IND(received_message_p).nasMsg.data,
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NAS_UL_DATA_IND(received_message_p).nasMsg.length);
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} break;
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case NAS_DOWNLINK_DATA_CNF: {
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// nas_proc_dl_transfer_cnf(NAS_DL_DATA_CNF(received_message_p).UEid);
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} break;
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case NAS_AUTHENTICATION_PARAM_RSP: {
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nas_proc_auth_param_res(&NAS_AUTHENTICATION_PARAM_RSP(received_message_p));
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} break;
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case NAS_AUTHENTICATION_PARAM_FAIL: {
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nas_proc_auth_param_fail(&NAS_AUTHENTICATION_PARAM_FAIL(received_message_p));
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} break;
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#endif
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case NAS_PDN_CONNECTIVITY_RSP: {
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nas_proc_pdn_connectivity_res(&NAS_PDN_CONNECTIVITY_RSP(received_message_p));
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} break;
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case NAS_PDN_CONNECTIVITY_FAIL: {
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nas_proc_pdn_connectivity_fail(&NAS_PDN_CONNECTIVITY_FAIL(received_message_p));
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} break;
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case TIMER_HAS_EXPIRED: {
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#if !defined(DISABLE_USE_NAS)
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/* Call the NAS timer api */
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nas_timer_handle_signal_expiry(TIMER_HAS_EXPIRED(received_message_p).timer_id,
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TIMER_HAS_EXPIRED(received_message_p).arg);
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#endif
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} break;
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case S1AP_ENB_DEREGISTERED_IND: {
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#if !defined(DISABLE_USE_NAS)
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int i;
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for (i = 0; i < S1AP_ENB_DEREGISTERED_IND(received_message_p).nb_ue_to_deregister; i ++) {
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nas_proc_deregister_ue(S1AP_ENB_DEREGISTERED_IND(received_message_p).mme_ue_s1ap_id[i]);
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}
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#endif
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} break;
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case S1AP_DEREGISTER_UE_REQ: {
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#if !defined(DISABLE_USE_NAS)
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nas_proc_deregister_ue(S1AP_DEREGISTER_UE_REQ(received_message_p).mme_ue_s1ap_id);
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#endif
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} break;
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case TERMINATE_MESSAGE: {
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itti_exit_task();
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} break;
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default: {
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NAS_DEBUG("Unkwnon message ID %d:%s from %s\n",
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ITTI_MSG_ID(received_message_p),
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ITTI_MSG_NAME(received_message_p),
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ITTI_MSG_ORIGIN_NAME(received_message_p));
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} break;
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}
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itti_free(ITTI_MSG_ORIGIN_ID(received_message_p), received_message_p);
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received_message_p = NULL;
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}
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return NULL;
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}
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int nas_init(mme_config_t *mme_config_p)
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{
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NAS_DEBUG("Initializing NAS task interface\n");
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#if !defined(DISABLE_USE_NAS)
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nas_log_init(0x3F);
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nas_network_initialize(mme_config_p);
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#endif
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if (itti_create_task(TASK_NAS_MME, &nas_intertask_interface,
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NULL) < 0) {
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NAS_ERROR("Create task failed");
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NAS_DEBUG("Initializing NAS task interface: FAILED\n");
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return -1;
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}
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NAS_DEBUG("Initializing NAS task interface: DONE\n");
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return 0;
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}
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