diff --git a/openair-cn/NAS/EURECOM-NAS/src/UEprocess.c b/openair-cn/NAS/EURECOM-NAS/src/UEprocess.c
index dc8c58389929c98a226c22e8ce3217a77ccc905f..3783f0dc95863fb7a97aac07856c81a239e41df4 100644
--- a/openair-cn/NAS/EURECOM-NAS/src/UEprocess.c
+++ b/openair-cn/NAS/EURECOM-NAS/src/UEprocess.c
@@ -201,7 +201,7 @@ static void *_nas_user_mngr(void *args)
/* User receiving loop */
while (!exit_loop) {
- exit_loop = nas_user_receive_and_process(fd);
+ exit_loop = nas_user_receive_and_process(fd, NULL);
}
/* Close the connection to the user application layer */
diff --git a/openair-cn/NAS/EURECOM-NAS/src/nas_user.c b/openair-cn/NAS/EURECOM-NAS/src/nas_user.c
index 65eaf4430c2b40224f591c812ab7c8f4b5818536..7b8592110841043141ec097fc5c44e936760f0bd 100644
--- a/openair-cn/NAS/EURECOM-NAS/src/nas_user.c
+++ b/openair-cn/NAS/EURECOM-NAS/src/nas_user.c
@@ -212,7 +212,7 @@ void nas_user_initialize(emm_indication_callback_t emm_cb,
** Outputs: Return: FALSE, TRUE **
** **
***************************************************************************/
-int nas_user_receive_and_process(int * fd)
+int nas_user_receive_and_process(int *fd, char *message)
{
LOG_FUNC_IN;
@@ -221,14 +221,19 @@ int nas_user_receive_and_process(int * fd)
int bytes;
int i;
- /* Read the user data message */
- bytes = user_api_read_data (*fd);
- if (bytes == RETURNerror) {
- /* Failed to read data from the user application layer;
- * exit from the receiving loop */
- LOG_TRACE (ERROR, "UE-MAIN - "
- "Failed to read data from the user application layer");
- LOG_FUNC_RETURN(TRUE);
+ if (message != NULL) {
+ /* Set the message in receive buffer (Use to simulate reception of data from UserProcess) */
+ bytes = user_api_set_data(message);
+ } else {
+ /* Read the user data message */
+ bytes = user_api_read_data (*fd);
+ if (bytes == RETURNerror) {
+ /* Failed to read data from the user application layer;
+ * exit from the receiving loop */
+ LOG_TRACE (ERROR, "UE-MAIN - "
+ "Failed to read data from the user application layer");
+ LOG_FUNC_RETURN(TRUE);
+ }
}
if (bytes == 0) {
@@ -261,22 +266,25 @@ int nas_user_receive_and_process(int * fd)
"The user procedure call failed");
}
- /* Encode the user data message */
- bytes = user_api_encode_data (nas_user_get_data (), i == nb_command - 1);
- if (bytes == RETURNerror) {
- /* Failed to encode the user data message;
- * go ahead and process the next user data */
- continue;
- }
+ /* Send response to UserProcess (If not in simulated reception) */
+ if (message == NULL) {
+ /* Encode the user data message */
+ bytes = user_api_encode_data (nas_user_get_data (), i == nb_command - 1);
+ if (bytes == RETURNerror) {
+ /* Failed to encode the user data message;
+ * go ahead and process the next user data */
+ continue;
+ }
- /* Send the data message to the user */
- bytes = user_api_send_data (*fd, bytes);
- if (bytes == RETURNerror) {
- /* Failed to send data to the user application layer;
- * exit from the receiving loop */
- LOG_TRACE (ERROR, "UE-MAIN - "
- "Failed to send data to the user application layer");
- LOG_FUNC_RETURN(TRUE);
+ /* Send the data message to the user */
+ bytes = user_api_send_data (*fd, bytes);
+ if (bytes == RETURNerror) {
+ /* Failed to send data to the user application layer;
+ * exit from the receiving loop */
+ LOG_TRACE (ERROR, "UE-MAIN - "
+ "Failed to send data to the user application layer");
+ LOG_FUNC_RETURN(TRUE);
+ }
}
}
diff --git a/openair-cn/NAS/EURECOM-NAS/src/nas_user.h b/openair-cn/NAS/EURECOM-NAS/src/nas_user.h
index ded7156423fa17770d9a839bbdcc884ba6ab9b07..51da3978efb8df6c58cf56e92ac9f21279051298 100644
--- a/openair-cn/NAS/EURECOM-NAS/src/nas_user.h
+++ b/openair-cn/NAS/EURECOM-NAS/src/nas_user.h
@@ -40,7 +40,7 @@ Description NAS procedure functions triggered by the user
void nas_user_initialize(emm_indication_callback_t emm_cb,
esm_indication_callback_t esm_cb, const char *version);
-int nas_user_receive_and_process(int * fd);
+int nas_user_receive_and_process(int * fd, char *message);
int nas_user_process_data(const void *data);
diff --git a/openair-cn/NAS/nas_ue_task.c b/openair-cn/NAS/nas_ue_task.c
index daf9b59ce95ad86fb786bc599d94504cfc2f7f25..5896712fd73b4e0ce186f51ee9a8b36c91d2f8cf 100644
--- a/openair-cn/NAS/nas_ue_task.c
+++ b/openair-cn/NAS/nas_ue_task.c
@@ -58,7 +58,7 @@ static int nas_ue_process_events(struct epoll_event *events, int nb_events)
{
/* If the event has not been yet been processed (not an itti message) */
if (events[event].data.fd == user_fd) {
- exit_loop = nas_user_receive_and_process(&user_fd);
+ exit_loop = nas_user_receive_and_process(&user_fd, NULL);
} else {
LOG_E(NAS, "[UE] Received an event from an unknown fd %d!\n", events[event].data.fd);
}
@@ -101,11 +101,7 @@ void *nas_ue_task(void *args_p) {
{
MessageDef *message_p;
-#if (NAS_UE_AUTOSTART == 0)
message_p = itti_alloc_new_message(TASK_NAS_UE, DEACTIVATE_MESSAGE);
-#else
- message_p = itti_alloc_new_message(TASK_NAS_UE, ACTIVATE_MESSAGE);
-#endif
itti_send_msg_to_task(TASK_L2L1, instance, message_p);
}
@@ -122,6 +118,12 @@ void *nas_ue_task(void *args_p) {
case INITIALIZE_MESSAGE:
LOG_I(NAS, "[UE %d] Received %s\n", Mod_id, msg_name);
#if (NAS_UE_AUTOSTART != 0)
+ {
+ /* Send an activate modem command to NAS like UserProcess should do it */
+ char *user_data = "at+cfun=1\r";
+
+ nas_user_receive_and_process (&user_fd, user_data);
+ }
#endif
break;