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Cleaning up handle initial UE message a bit more.

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master
Pedro Alvarez 7 years ago
parent bd2fa4c04b
commit 6615af57ee
1 changed files with 13 additions and 24 deletions
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33
srsepc/src/mme/s1ap_nas_transport.cc
Unescape Escape View File

@ -90,14 +90,21 @@ s1ap_nas_transport::handle_initial_ue_message(LIBLTE_S1AP_MESSAGE_INITIALUEMESSA
memcpy(nas_msg->msg, &init_ue->NAS_PDU.buffer, init_ue->NAS_PDU.n_octets);
nas_msg->N_bytes = init_ue->NAS_PDU.n_octets;
//Get info from initial UE message
uint32_t m_tmsi;
uint32_t enb_ue_s1ap_id = init_ue->eNB_UE_S1AP_ID.ENB_UE_S1AP_ID;
if (!init_ue->S_TMSI_present) {
liblte_mme_parse_msg_header((LIBLTE_BYTE_MSG_STRUCT *) nas_msg, &pd, &msg_type);
//Make sure M-TMSI is present, if mandatory
if (msg_type != LIBLTE_MME_MSG_TYPE_ATTACH_REQUEST && !init_ue->S_TMSI_present){
m_s1ap_log->error("Initial UE Message 0x%x -- S-TMSI not present\n", msg_type);
m_s1ap_log->console("Initial UE message 0x%x -- S-TMSI not present\n", msg_type);
m_pool->deallocate(nas_msg);
return false;
}
if (init_ue->S_TMSI_present) {
m_tmsi = ntohl(*((uint32_t*)&init_ue->S_TMSI.m_TMSI.buffer));
}
liblte_mme_parse_msg_header((LIBLTE_BYTE_MSG_STRUCT *) nas_msg, &pd, &msg_type);
switch (msg_type)
{
case LIBLTE_MME_MSG_TYPE_ATTACH_REQUEST:
@ -108,35 +115,17 @@ s1ap_nas_transport::handle_initial_ue_message(LIBLTE_S1AP_MESSAGE_INITIALUEMESSA
case LIBLTE_MME_SECURITY_HDR_TYPE_SERVICE_REQUEST:
m_s1ap_log->console("Received Initial UE message -- Service Request\n");
m_s1ap_log->info("Received Initial UE message -- Service Request\n");
if (init_ue->S_TMSI_present) {
err = handle_nas_service_request(m_tmsi, enb_ue_s1ap_id, nas_msg, reply_buffer,reply_flag, enb_sri);
} else {
m_s1ap_log->error("Service request -- S-TMSI not present\n");
m_s1ap_log->console("Service request -- S-TMSI not present\n" );
err = false;
}
break;
case LIBLTE_MME_MSG_TYPE_DETACH_REQUEST:
m_s1ap_log->console("Received Initial UE message -- Detach Request\n");
m_s1ap_log->info("Received Initial UE message -- Detach Request\n");
if (init_ue->S_TMSI_present) {
err = handle_nas_detach_request(m_tmsi, enb_ue_s1ap_id, nas_msg, reply_buffer,reply_flag, enb_sri);
} else {
m_s1ap_log->error("Detach request -- S-TMSI not present\n");
m_s1ap_log->console("Detach request -- S-TMSI not present\n" );
err = false;
}
break;
case LIBLTE_MME_MSG_TYPE_TRACKING_AREA_UPDATE_REQUEST:
m_s1ap_log->console("Received Initial UE message -- Tracking Area Update Request\n");
m_s1ap_log->info("Received Initial UE message -- Tracking Area Update Request\n");
if (init_ue->S_TMSI_present) {
handle_nas_tracking_area_update_request(m_tmsi, enb_ue_s1ap_id, nas_msg, reply_buffer,reply_flag, enb_sri);
} else {
m_s1ap_log->error("Tracking Area Update Request -- S-TMSI not present\n");
m_s1ap_log->console("Tracking Area Update Request -- S-TMSI not present\n" );
return false;
}
err = handle_nas_tracking_area_update_request(m_tmsi, enb_ue_s1ap_id, nas_msg, reply_buffer,reply_flag, enb_sri);
break;
default:
m_s1ap_log->info("Unhandled Initial UE Message 0x%x \n", msg_type);

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