Files
openairinterface5g/openair-cn/NAS/nas_main.c
T
Cedric Roux e1d2667467 - Renamed msg structure in ITTI to ittiMsg to avoid confusions when parsing XML file if multiple structure "msg" are defined
- Fix build issue of EPC
- Enable event fd for EPC instead of pthread_cond
- Added some new S1AP messages defintions


git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4506 818b1a75-f10b-46b9-bf7c-635c3b92a50f
2013-11-24 17:44:11 +00:00

111 lines
3.7 KiB
C

#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "intertask_interface.h"
#include "mme_config.h"
#include "nas_defs.h"
#if !defined(DISABLE_USE_NAS)
# include "nas_proc.h"
# include "emm_main.h"
# include "nas_log.h"
#endif
#define NAS_ERROR(x, args...) do { fprintf(stderr, "[NAS] [E]"x, ##args); } while(0)
#define NAS_DEBUG(x, args...) do { fprintf(stdout, "[NAS] [D]"x, ##args); } while(0)
#define NAS_WARN(x, args...) do { fprintf(stdout, "[NAS] [W]"x, ##args); } while(0)
static void *nas_intertask_interface(void *args_p)
{
itti_mark_task_ready(TASK_NAS);
while(1) {
MessageDef *received_message_p;
next_message:
itti_receive_msg(TASK_NAS, &received_message_p);
switch (ITTI_MSG_ID(received_message_p))
{
case NAS_CONNECTION_ESTABLISHMENT_IND: {
#if defined(DISABLE_USE_NAS)
MessageDef *message_p;
nas_attach_req_t *nas_req_p;
s1ap_initial_ue_message_t *transparent;
NAS_DEBUG("NAS abstraction: Generating NAS ATTACH REQ\n");
message_p = itti_alloc_new_message(TASK_NAS, NAS_ATTACH_REQ);
nas_req_p = &message_p->ittiMsg.nas_attach_req;
transparent = &message_p->ittiMsg.nas_attach_req.transparent;
nas_req_p->initial = INITIAL_REQUEST;
sprintf(nas_req_p->imsi, "%14llu", 20834123456789ULL);
memcpy(transparent, &received_message_p->ittiMsg.nas_conn_est_ind.transparent,
sizeof(s1ap_initial_ue_message_t));
itti_send_msg_to_task(TASK_MME_APP, INSTANCE_DEFAULT, message_p);
#else
nas_establish_ind_t *nas_est_ind_p;
nas_est_ind_p = &received_message_p->ittiMsg.nas_conn_est_ind.nas;
nas_proc_establish_ind(nas_est_ind_p->UEid,
nas_est_ind_p->tac,
nas_est_ind_p->initialNasMsg.data,
nas_est_ind_p->initialNasMsg.length);
#endif
} break;
case NAS_ATTACH_ACCEPT: {
itti_send_msg_to_task(TASK_S1AP, INSTANCE_DEFAULT, received_message_p);
goto next_message;
} break;
case NAS_AUTHENTICATION_REQ: {
MessageDef *message_p;
nas_auth_resp_t *nas_resp_p;
NAS_DEBUG("NAS abstraction: Generating NAS AUTHENTICATION RESPONSE\n");
message_p = itti_alloc_new_message(TASK_NAS, NAS_AUTHENTICATION_RESP);
nas_resp_p = &message_p->ittiMsg.nas_auth_resp;
memcpy(nas_resp_p->imsi, received_message_p->ittiMsg.nas_auth_req.imsi, 16);
itti_send_msg_to_task(TASK_MME_APP, INSTANCE_DEFAULT, message_p);
} break;
default: {
NAS_DEBUG("Unkwnon message ID %d:%s\n",
ITTI_MSG_ID(received_message_p),
ITTI_MSG_NAME(received_message_p));
} break;
}
free(received_message_p);
received_message_p = NULL;
}
return NULL;
}
int nas_init(const mme_config_t *mme_config_p)
{
NAS_DEBUG("Initializing NAS task interface\n");
#if !defined(DISABLE_USE_NAS)
nas_log_init(LOG_DEBUG);
emm_main_initialize();
#endif
if (itti_create_task(TASK_NAS, &nas_intertask_interface,
NULL) < 0) {
NAS_ERROR("Create task failed");
NAS_DEBUG("Initializing NAS task interface: FAILED\n");
return -1;
}
NAS_DEBUG("Initializing NAS task interface: DONE\n");
return 0;
}