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restructure handle_initial_ue_message

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master
David Rupprecht 6 years ago
parent e5e091b0c9
commit 0dfa6426dd
1 changed files with 59 additions and 57 deletions
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116
srsepc/src/mme/s1ap_nas_transport.cc
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@ -97,81 +97,83 @@ s1ap_nas_transport::handle_initial_ue_message(LIBLTE_S1AP_MESSAGE_INITIALUEMESSA
srslte::byte_buffer_t *nas_msg = m_pool->allocate();
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;
uint32_t *m_tmsi;
bool rtn = true;
liblte_mme_parse_msg_header((LIBLTE_BYTE_MSG_STRUCT *) nas_msg, &pd, &msg_type);
if(msg_type == LIBLTE_MME_MSG_TYPE_ATTACH_REQUEST)
{
m_s1ap_log->info("Received Attach Request \n");
m_s1ap_log->console("Received Attach Request \n");
handle_nas_attach_request(enb_ue_s1ap_id, nas_msg, reply_buffer,reply_flag, enb_sri);
}
else if(msg_type == LIBLTE_MME_SECURITY_HDR_TYPE_SERVICE_REQUEST)
{
m_s1ap_log->info("Received Service Request \n");
m_s1ap_log->console("Received Service Request \n");
if(!init_ue->S_TMSI_present)
{
m_s1ap_log->error("Service request -- S-TMSI not present\n");
m_s1ap_log->console("Service request -- S-TMSI not present\n" );
return false;
}
uint32_t *m_tmsi = (uint32_t*) &init_ue->S_TMSI.m_TMSI.buffer;
uint32_t enb_ue_s1ap_id = init_ue->eNB_UE_S1AP_ID.ENB_UE_S1AP_ID;
m_s1ap_log->info("Service request -- S-TMSI 0x%x\n", ntohl(*m_tmsi));
m_s1ap_log->console("Service request -- S-TMSI 0x%x\n", ntohl(*m_tmsi) );
m_s1ap_log->info("Service request -- eNB UE S1AP Id %d\n", enb_ue_s1ap_id);
m_s1ap_log->console("Service request -- eNB UE S1AP Id %d\n", enb_ue_s1ap_id);
handle_nas_service_request(ntohl(*m_tmsi), enb_ue_s1ap_id, nas_msg, reply_buffer,reply_flag, enb_sri);
return true;
}
else if(msg_type == 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)
{
m_s1ap_log->error("Detach request -- S-TMSI not present\n");
m_s1ap_log->console("Detach request -- S-TMSI not present\n" );
return false;
}
uint32_t *m_tmsi = (uint32_t*) &init_ue->S_TMSI.m_TMSI.buffer;
uint32_t enb_ue_s1ap_id = init_ue->eNB_UE_S1AP_ID.ENB_UE_S1AP_ID;
m_s1ap_log->info("Detach Request -- S-TMSI 0x%x\n", ntohl(*m_tmsi));
m_s1ap_log->console("Detach Request -- S-TMSI 0x%x\n", ntohl(*m_tmsi) );
m_s1ap_log->info("Detach Request -- eNB UE S1AP Id %d\n", enb_ue_s1ap_id);
m_s1ap_log->console("Detach Request -- eNB UE S1AP Id %d\n", enb_ue_s1ap_id);
handle_nas_detach_request(ntohl(*m_tmsi), enb_ue_s1ap_id, nas_msg, reply_buffer,reply_flag, enb_sri);
return true;
}
else if(msg_type == LIBLTE_MME_MSG_TYPE_TRACKING_AREA_UPDATE_REQUEST)
switch(msg_type)
{
case LIBLTE_MME_MSG_TYPE_ATTACH_REQUEST:
m_s1ap_log->info("Received Attach Request \n");
m_s1ap_log->console("Received Attach Request \n");
handle_nas_attach_request(enb_ue_s1ap_id, nas_msg, reply_buffer,reply_flag, enb_sri);
break;
case LIBLTE_MME_SECURITY_HDR_TYPE_SERVICE_REQUEST:
m_s1ap_log->info("Received Service Request \n");
m_s1ap_log->console("Received Service Request \n");
if(!init_ue->S_TMSI_present)
{
m_s1ap_log->error("Service request -- S-TMSI not present\n");
m_s1ap_log->console("Service request -- S-TMSI not present\n" );
rtn = false;
break;
}
m_tmsi = (uint32_t*) &init_ue->S_TMSI.m_TMSI.buffer;
m_s1ap_log->info("Service request -- S-TMSI 0x%x\n", ntohl(*m_tmsi));
m_s1ap_log->console("Service request -- S-TMSI 0x%x\n", ntohl(*m_tmsi) );
m_s1ap_log->info("Service request -- eNB UE S1AP Id %d\n", enb_ue_s1ap_id);
m_s1ap_log->console("Service request -- eNB UE S1AP Id %d\n", enb_ue_s1ap_id);
handle_nas_service_request(ntohl(*m_tmsi), enb_ue_s1ap_id, nas_msg, reply_buffer,reply_flag, enb_sri);
rtn = true;
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)
{
m_s1ap_log->error("Detach request -- S-TMSI not present\n");
m_s1ap_log->console("Detach request -- S-TMSI not present\n" );
rtn = false;
break;
}
m_tmsi = (uint32_t*) &init_ue->S_TMSI.m_TMSI.buffer;
m_s1ap_log->info("Detach Request -- S-TMSI 0x%x\n", ntohl(*m_tmsi));
m_s1ap_log->console("Detach Request -- S-TMSI 0x%x\n", ntohl(*m_tmsi) );
m_s1ap_log->info("Detach Request -- eNB UE S1AP Id %d\n", enb_ue_s1ap_id);
m_s1ap_log->console("Detach Request -- eNB UE S1AP Id %d\n", enb_ue_s1ap_id);
handle_nas_detach_request(ntohl(*m_tmsi), enb_ue_s1ap_id, nas_msg, reply_buffer,reply_flag, enb_sri);
rtn = true;
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)
{
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;
rtn = false;
break;
}
uint32_t *m_tmsi = (uint32_t*) &init_ue->S_TMSI.m_TMSI.buffer;
uint32_t enb_ue_s1ap_id = init_ue->eNB_UE_S1AP_ID.ENB_UE_S1AP_ID;
m_tmsi = (uint32_t*) &init_ue->S_TMSI.m_TMSI.buffer;
m_s1ap_log->info("Tracking Area Update Request -- S-TMSI 0x%x\n", ntohl(*m_tmsi));
m_s1ap_log->console("Tracking Area Update Request -- S-TMSI 0x%x\n", ntohl(*m_tmsi) );
m_s1ap_log->info("Tracking Area Update Request -- eNB UE S1AP Id %d\n", enb_ue_s1ap_id);
m_s1ap_log->console("Tracking Area Update Request -- eNB UE S1AP Id %d\n", enb_ue_s1ap_id);
handle_nas_tracking_area_update_request(ntohl(*m_tmsi), enb_ue_s1ap_id, nas_msg, reply_buffer,reply_flag, enb_sri);
return true;
}
else
{
m_s1ap_log->info("Unhandled Initial UE Message 0x%x\n",msg_type);
m_s1ap_log->console("Unhandled Initial UE Message 0x%x \n", msg_type);
rtn = true;
break;
default:
m_s1ap_log->info("Unhandled Initial UE Message 0x%x\n",msg_type);
m_s1ap_log->console("Unhandled Initial UE Message 0x%x \n", msg_type);
break;
}
m_pool->deallocate(nas_msg);
return true;
m_pool->deallocate(nas_msg);
return rtn;
}
bool

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