sysmocom
/
open5gs
forked from acouzens/open5gs
11
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fix identation

This commit is contained in:
Sukchan Lee 2019-06-23 20:43:23 +09:00
parent fe15600e02
commit db83b1e004
6 changed files with 764 additions and 903 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

268
src/mme/emm-sm.c
View File

@ -1,3 +1,22 @@
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "nas/nas-message.h"
#include "fd/fd-lib.h"
#include "fd/s6a/s6a-message.h"
@ -62,45 +81,38 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
mme_ue_t *mme_ue = NULL;
enb_ue_t *enb_ue = NULL;
nas_message_t *message = NULL;
S1AP_ProcedureCode_t procedureCode;
ogs_assert(e);
mme_ue = e->mme_ue;
ogs_assert(mme_ue);
switch (e->id)
{
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
{
return;
}
case OGS_FSM_EXIT_SIG:
{
return;
}
case MME_EVT_EMM_MESSAGE:
{
nas_message_t *message = e->nas_message;
message = e->nas_message;
ogs_assert(message);
enb_ue = mme_ue->enb_ue;
ogs_assert(enb_ue);
if (message->emm.h.security_header_type
== NAS_SECURITY_HEADER_FOR_SERVICE_REQUEST_MESSAGE)
{
== NAS_SECURITY_HEADER_FOR_SERVICE_REQUEST_MESSAGE) {
ogs_debug("[EMM] Service request");
rv = emm_handle_service_request(
mme_ue, &message->emm.service_request);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
ogs_error("emm_handle_service_request() failed");
OGS_FSM_TRAN(s, emm_state_exception);
return;
}
if (!MME_UE_HAVE_IMSI(mme_ue))
{
if (!MME_UE_HAVE_IMSI(mme_ue)) {
ogs_warn("[EMM] Service request : Unknown UE");
rv = nas_send_service_reject(mme_ue,
EMM_CAUSE_UE_IDENTITY_CANNOT_BE_DERIVED_BY_THE_NETWORK);
@ -109,8 +121,7 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
return;
}
if (!SECURITY_CONTEXT_IS_VALID(mme_ue))
{
if (!SECURITY_CONTEXT_IS_VALID(mme_ue)) {
ogs_warn("No Security Context : IMSI[%s]", mme_ue->imsi_bcd);
rv = nas_send_service_reject(mme_ue,
EMM_CAUSE_UE_IDENTITY_CANNOT_BE_DERIVED_BY_THE_NETWORK);
@ -128,22 +139,18 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
return;
}
switch(message->emm.h.message_type)
{
switch (message->emm.h.message_type) {
case NAS_IDENTITY_RESPONSE:
{
ogs_debug("[EMM] Identity response");
rv = emm_handle_identity_response(mme_ue,
&message->emm.identity_response);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
ogs_error("emm_handle_identity_response() failed");
OGS_FSM_TRAN(s, emm_state_exception);
return;
}
if (!MME_UE_HAVE_IMSI(mme_ue))
{
if (!MME_UE_HAVE_IMSI(mme_ue)) {
ogs_error("No IMSI");
OGS_FSM_TRAN(s, emm_state_exception);
return;
@ -151,34 +158,27 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
ogs_debug(" IMSI[%s]", mme_ue->imsi_bcd);
break;
}
case NAS_ATTACH_REQUEST:
{
ogs_debug("[EMM] Attach request[%s]", mme_ue->imsi_bcd);
rv = emm_handle_attach_request(
mme_ue, &message->emm.attach_request);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
ogs_error("emm_handle_attach_request() failed");
OGS_FSM_TRAN(s, emm_state_exception);
return;
}
break;
}
case NAS_TRACKING_AREA_UPDATE_REQUEST:
{
ogs_debug("[EMM] Tracking area update request");
rv = emm_handle_tau_request(
mme_ue, &message->emm.tracking_area_update_request);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
ogs_error("emm_handle_tau_request() failed");
OGS_FSM_TRAN(s, emm_state_exception);
return;
}
if (!MME_UE_HAVE_IMSI(mme_ue))
{
if (!MME_UE_HAVE_IMSI(mme_ue)) {
ogs_warn("[EMM] TAU request : Unknown UE");
rv = nas_send_tau_reject(mme_ue,
EMM_CAUSE_UE_IDENTITY_CANNOT_BE_DERIVED_BY_THE_NETWORK);
@ -188,23 +188,17 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
}
break;
}
case NAS_TRACKING_AREA_UPDATE_COMPLETE:
{
ogs_debug("[EMM] Tracking area update complete");
ogs_debug(" IMSI[%s]", mme_ue->imsi_bcd);
return;
}
case NAS_EMM_STATUS:
{
ogs_warn("[EMM] EMM STATUS : IMSI[%s] Cause[%d]",
mme_ue->imsi_bcd,
message->emm.emm_status.emm_cause);
OGS_FSM_TRAN(s, &emm_state_exception);
return;
}
case NAS_DETACH_REQUEST:
{
ogs_debug("[EMM] Detach request");
ogs_debug(" IMSI[%s]", mme_ue->imsi_bcd);
rv = emm_handle_detach_request(
@ -221,24 +215,17 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
OGS_FSM_TRAN(s, &emm_state_de_registered);
return;
}
default:
{
ogs_warn("Unknown message[%d]", message->emm.h.message_type);
return;
}
}
break;
}
default:
{
ogs_error("Unknown event[%s]", mme_event_get_name(e));
return;
}
}
if (!MME_UE_HAVE_IMSI(mme_ue))
{
if (!MME_UE_HAVE_IMSI(mme_ue)) {
rv = nas_send_identity_request(mme_ue);
ogs_assert(rv == OGS_OK);
return;
@ -247,38 +234,27 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
enb_ue = mme_ue->enb_ue;
ogs_assert(enb_ue);
switch(mme_ue->nas_eps.type)
{
switch (mme_ue->nas_eps.type) {
case MME_EPS_TYPE_ATTACH_REQUEST:
{
if (SECURITY_CONTEXT_IS_VALID(mme_ue))
{
if (SECURITY_CONTEXT_IS_VALID(mme_ue)) {
rv = nas_send_emm_to_esm(mme_ue,
&mme_ue->pdn_connectivity_request);
ogs_assert(rv == OGS_OK);
OGS_FSM_TRAN(s, &emm_state_initial_context_setup);
}
else
{
if (SESSION_CONTEXT_IS_AVAILABLE(mme_ue))
{
} else {
if (SESSION_CONTEXT_IS_AVAILABLE(mme_ue)) {
rv = mme_gtp_send_delete_all_sessions(mme_ue);
ogs_assert(rv == OGS_OK);
}
else
{
} else {
mme_s6a_send_air(mme_ue, NULL);
}
OGS_FSM_TRAN(s, &emm_state_authentication);
}
break;
}
case MME_EPS_TYPE_TAU_REQUEST:
{
S1AP_ProcedureCode_t procedureCode = e->s1ap_code;
procedureCode = e->s1ap_code;
if (!SESSION_CONTEXT_IS_AVAILABLE(mme_ue))
{
if (!SESSION_CONTEXT_IS_AVAILABLE(mme_ue)) {
ogs_warn("No PDN Connection : UE[%s]", mme_ue->imsi_bcd);
rv = nas_send_tau_reject(mme_ue,
EMM_CAUSE_UE_IDENTITY_CANNOT_BE_DERIVED_BY_THE_NETWORK);
@ -287,24 +263,19 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
break;
}
if (!SECURITY_CONTEXT_IS_VALID(mme_ue))
{
if (!SECURITY_CONTEXT_IS_VALID(mme_ue)) {
mme_s6a_send_air(mme_ue, NULL);
OGS_FSM_TRAN(&mme_ue->sm, &emm_state_authentication);
break;
}
if (procedureCode == S1AP_ProcedureCode_id_initialUEMessage)
{
if (procedureCode == S1AP_ProcedureCode_id_initialUEMessage) {
ogs_debug(" Iniital UE Message");
if (mme_ue->nas_eps.update.active_flag)
{
if (mme_ue->nas_eps.update.active_flag) {
rv = nas_send_tau_accept(mme_ue,
S1AP_ProcedureCode_id_InitialContextSetup);
ogs_assert(rv == OGS_OK);
}
else
{
} else {
rv = nas_send_tau_accept(mme_ue,
S1AP_ProcedureCode_id_downlinkNASTransport);
ogs_assert(rv == OGS_OK);
@ -313,21 +284,16 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
mme_ue, enb_ue);
ogs_assert(rv == OGS_OK);
}
}
else if (procedureCode == S1AP_ProcedureCode_id_uplinkNASTransport)
{
} else if (procedureCode == S1AP_ProcedureCode_id_uplinkNASTransport) {
ogs_debug(" Uplink NAS Transport");
rv = nas_send_tau_accept(mme_ue,
S1AP_ProcedureCode_id_downlinkNASTransport);
ogs_assert(rv == OGS_OK);
}
else
{
} else {
ogs_fatal("Invalid Procedure Code[%d]", (int)procedureCode);
ogs_assert_if_reached();
}
break;
}
default:
ogs_fatal("Invalid NAS-EPS[%d]", mme_ue->nas_eps.type);
ogs_assert_if_reached();
@ -339,6 +305,7 @@ void emm_state_authentication(ogs_fsm_t *s, mme_event_t *e)
{
int rv;
mme_ue_t *mme_ue = NULL;
nas_message_t *message = NULL;
ogs_assert(s);
ogs_assert(e);
@ -348,23 +315,16 @@ void emm_state_authentication(ogs_fsm_t *s, mme_event_t *e)
mme_ue = e->mme_ue;
ogs_assert(mme_ue);
switch (e->id)
{
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
{
break;
}
case OGS_FSM_EXIT_SIG:
{
break;
}
case MME_EVT_EMM_MESSAGE:
{
nas_message_t *message = e->nas_message;
message = e->nas_message;
ogs_assert(message);
switch(message->emm.h.message_type)
{
switch (message->emm.h.message_type) {
case NAS_AUTHENTICATION_RESPONSE:
{
nas_authentication_response_t *authentication_response =
@ -379,8 +339,7 @@ void emm_state_authentication(ogs_fsm_t *s, mme_event_t *e)
if (memcmp(authentication_response_parameter->res,
mme_ue->xres,
authentication_response_parameter->length) != 0)
{
authentication_response_parameter->length) != 0) {
ogs_log_hexdump(OGS_LOG_WARN,
authentication_response_parameter->res,
authentication_response_parameter->length);
@ -389,9 +348,7 @@ void emm_state_authentication(ogs_fsm_t *s, mme_event_t *e)
rv = nas_send_authentication_reject(mme_ue);
ogs_assert(rv == OGS_OK);
OGS_FSM_TRAN(&mme_ue->sm, &emm_state_exception);
}
else
{
} else {
OGS_FSM_TRAN(&mme_ue->sm, &emm_state_security_mode);
}
break;
@ -409,8 +366,7 @@ void emm_state_authentication(ogs_fsm_t *s, mme_event_t *e)
ogs_debug(" IMSI[%s] EMM_CAUSE[%d]", mme_ue->imsi_bcd,
authentication_failure->emm_cause);
switch(authentication_failure->emm_cause)
{
switch (authentication_failure->emm_cause) {
case EMM_CAUSE_MAC_FAILURE:
ogs_warn("Authentication failure(MAC failure)");
break;
@ -436,12 +392,10 @@ void emm_state_authentication(ogs_fsm_t *s, mme_event_t *e)
break;
}
case NAS_ATTACH_REQUEST:
{
ogs_warn("[EMM] Attach request[%s]", mme_ue->imsi_bcd);
rv = emm_handle_attach_request(
mme_ue, &message->emm.attach_request);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
ogs_error("emm_handle_attach_request() failed");
OGS_FSM_TRAN(s, emm_state_exception);
return;
@ -450,23 +404,18 @@ void emm_state_authentication(ogs_fsm_t *s, mme_event_t *e)
mme_s6a_send_air(mme_ue, NULL);
OGS_FSM_TRAN(s, &emm_state_authentication);
break;
}
case NAS_EMM_STATUS:
{
ogs_warn("[EMM] EMM STATUS : IMSI[%s] Cause[%d]",
mme_ue->imsi_bcd,
message->emm.emm_status.emm_cause);
OGS_FSM_TRAN(s, &emm_state_exception);
break;
}
case NAS_DETACH_REQUEST:
{
ogs_debug("[EMM] Detach request");
ogs_debug(" IMSI[%s]", mme_ue->imsi_bcd);
rv = emm_handle_detach_request(
mme_ue, &message->emm.detach_request_from_ue);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
ogs_error("emm_handle_attach_request() failed");
OGS_FSM_TRAN(s, emm_state_exception);
return;
@ -477,27 +426,23 @@ void emm_state_authentication(ogs_fsm_t *s, mme_event_t *e)
OGS_FSM_TRAN(s, &emm_state_de_registered);
break;
}
default:
{
ogs_warn("Unknown message[%d]", message->emm.h.message_type);
break;
}
}
break;
}
default:
{
ogs_error("Unknown event[%s]", mme_event_get_name(e));
break;
}
}
}
void emm_state_security_mode(ogs_fsm_t *s, mme_event_t *e)
{
int rv;
mme_ue_t *mme_ue = NULL;
ogs_pkbuf_t *emmbuf = NULL;
nas_message_t *message = NULL;
ogs_assert(s);
ogs_assert(e);
@ -507,12 +452,8 @@ void emm_state_security_mode(ogs_fsm_t *s, mme_event_t *e)
mme_ue = e->mme_ue;
ogs_assert(mme_ue);
switch (e->id)
{
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
{
ogs_pkbuf_t *emmbuf = NULL;
rv = emm_build_security_mode_command(&emmbuf, mme_ue);
ogs_assert(rv == OGS_OK && emmbuf);
@ -520,26 +461,19 @@ void emm_state_security_mode(ogs_fsm_t *s, mme_event_t *e)
ogs_assert(rv == OGS_OK && emmbuf);
break;
}
case OGS_FSM_EXIT_SIG:
{
break;
}
case MME_EVT_EMM_MESSAGE:
{
nas_message_t *message = e->nas_message;
message = e->nas_message;
ogs_assert(message);
switch(message->emm.h.message_type)
{
switch (message->emm.h.message_type) {
case NAS_SECURITY_MODE_COMPLETE:
{
ogs_debug("[EMM] Security mode complete");
ogs_debug(" IMSI[%s]", mme_ue->imsi_bcd);
/* Update Kenb */
if (SECURITY_CONTEXT_IS_VALID(mme_ue))
{
if (SECURITY_CONTEXT_IS_VALID(mme_ue)) {
mme_kdf_enb(mme_ue->kasme, mme_ue->ul_count.i32,
mme_ue->kenb);
mme_kdf_nh(mme_ue->kasme, mme_ue->kenb, mme_ue->nh);
@ -547,38 +481,28 @@ void emm_state_security_mode(ogs_fsm_t *s, mme_event_t *e)
}
mme_s6a_send_ulr(mme_ue);
if (mme_ue->nas_eps.type == MME_EPS_TYPE_ATTACH_REQUEST)
{
if (mme_ue->nas_eps.type == MME_EPS_TYPE_ATTACH_REQUEST) {
OGS_FSM_TRAN(s, &emm_state_initial_context_setup);
}
else if (mme_ue->nas_eps.type ==
} else if (mme_ue->nas_eps.type ==
MME_EPS_TYPE_SERVICE_REQUEST ||
mme_ue->nas_eps.type == MME_EPS_TYPE_TAU_REQUEST)
{
mme_ue->nas_eps.type == MME_EPS_TYPE_TAU_REQUEST) {
OGS_FSM_TRAN(s, &emm_state_registered);
}
else
{
} else {
ogs_fatal("Invalid NAS_EPS[%d]", mme_ue->nas_eps.type);
ogs_assert_if_reached();
}
break;
}
case NAS_SECURITY_MODE_REJECT:
{
ogs_warn("[EMM] Security mode reject : IMSI[%s] Cause[%d]",
mme_ue->imsi_bcd,
message->emm.security_mode_reject.emm_cause);
OGS_FSM_TRAN(s, &emm_state_exception);
break;
}
case NAS_ATTACH_REQUEST:
{
ogs_warn("[EMM] Attach request[%s]", mme_ue->imsi_bcd);
rv = emm_handle_attach_request(
mme_ue, &message->emm.attach_request);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
ogs_error("emm_handle_attach_request() failed");
OGS_FSM_TRAN(s, emm_state_exception);
return;
@ -587,23 +511,18 @@ void emm_state_security_mode(ogs_fsm_t *s, mme_event_t *e)
mme_s6a_send_air(mme_ue, NULL);
OGS_FSM_TRAN(s, &emm_state_authentication);
break;
}
case NAS_EMM_STATUS:
{
ogs_warn("[EMM] EMM STATUS : IMSI[%s] Cause[%d]",
mme_ue->imsi_bcd,
message->emm.emm_status.emm_cause);
OGS_FSM_TRAN(s, &emm_state_exception);
break;
}
case NAS_DETACH_REQUEST:
{
ogs_debug("[EMM] Detach request");
ogs_debug(" IMSI[%s]", mme_ue->imsi_bcd);
rv = emm_handle_detach_request(
mme_ue, &message->emm.detach_request_from_ue);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
ogs_error("emm_handle_attach_request() failed");
OGS_FSM_TRAN(s, emm_state_exception);
return;
@ -614,27 +533,22 @@ void emm_state_security_mode(ogs_fsm_t *s, mme_event_t *e)
OGS_FSM_TRAN(s, &emm_state_de_registered);
break;
}
default:
{
ogs_warn("Unknown message[%d]", message->emm.h.message_type);
break;
}
}
break;
}
default:
{
ogs_error("Unknown event[%s]", mme_event_get_name(e));
break;
}
}
}
void emm_state_initial_context_setup(ogs_fsm_t *s, mme_event_t *e)
{
int rv;
mme_ue_t *mme_ue = NULL;
nas_message_t *message = NULL;
ogs_assert(s);
ogs_assert(e);
@ -644,31 +558,22 @@ void emm_state_initial_context_setup(ogs_fsm_t *s, mme_event_t *e)
mme_ue = e->mme_ue;
ogs_assert(mme_ue);
switch (e->id)
{
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
{
break;
}
case OGS_FSM_EXIT_SIG:
{
break;
}
case MME_EVT_EMM_MESSAGE:
{
nas_message_t *message = e->nas_message;
message = e->nas_message;
ogs_assert(message);
switch(message->emm.h.message_type)
{
switch (message->emm.h.message_type) {
case NAS_ATTACH_COMPLETE:
{
ogs_debug("[EMM] Attach complete");
ogs_debug(" IMSI[%s]", mme_ue->imsi_bcd);
rv = emm_handle_attach_complete(
mme_ue, &message->emm.attach_complete);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
ogs_error("emm_handle_attach_complete() failed "
"in emm_state_initial_context_setup");
OGS_FSM_TRAN(s, emm_state_exception);
@ -676,14 +581,11 @@ void emm_state_initial_context_setup(ogs_fsm_t *s, mme_event_t *e)
}
OGS_FSM_TRAN(s, &emm_state_registered);
break;
}
case NAS_ATTACH_REQUEST:
{
ogs_warn("[EMM] Attach request[%s]", mme_ue->imsi_bcd);
rv = emm_handle_attach_request(
mme_ue, &message->emm.attach_request);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
ogs_error("emm_handle_attach_request() failed");
OGS_FSM_TRAN(s, emm_state_exception);
return;
@ -693,23 +595,18 @@ void emm_state_initial_context_setup(ogs_fsm_t *s, mme_event_t *e)
ogs_assert(rv == OGS_OK);
OGS_FSM_TRAN(s, &emm_state_authentication);
break;
}
case NAS_EMM_STATUS:
{
ogs_warn("[EMM] EMM STATUS : IMSI[%s] Cause[%d]",
mme_ue->imsi_bcd,
message->emm.emm_status.emm_cause);
OGS_FSM_TRAN(s, &emm_state_exception);
break;
}
case NAS_DETACH_REQUEST:
{
ogs_debug("[EMM] Detach request");
ogs_debug(" IMSI[%s]", mme_ue->imsi_bcd);
rv = emm_handle_detach_request(
mme_ue, &message->emm.detach_request_from_ue);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
ogs_error("emm_handle_attach_request() failed");
OGS_FSM_TRAN(s, emm_state_exception);
return;
@ -720,22 +617,16 @@ void emm_state_initial_context_setup(ogs_fsm_t *s, mme_event_t *e)
OGS_FSM_TRAN(s, &emm_state_de_registered);
break;
}
default:
{
ogs_warn("Unknown message[%d]",
message->emm.h.message_type);
break;
}
}
break;
}
default:
{
ogs_error("Unknown event[%s]", mme_event_get_name(e));
break;
}
}
}
void emm_state_exception(ogs_fsm_t *s, mme_event_t *e)
@ -743,20 +634,13 @@ void emm_state_exception(ogs_fsm_t *s, mme_event_t *e)
ogs_assert(e);
mme_sm_debug(e);
switch (e->id)
{
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
{
break;
}
case OGS_FSM_EXIT_SIG:
{
break;
}
default:
{
ogs_error("Unknown event[%s]", mme_event_get_name(e));
break;
}
}
}

65
src/mme/esm-build.c
View File

@ -1,3 +1,22 @@
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "nas/nas-message.h"
#include "nas-security.h"
@ -24,8 +43,7 @@ int esm_build_pdn_connectivity_reject(
mme_ue->imsi_bcd, sess->pti, esm_cause);
memset(&message, 0, sizeof(message));
if (OGS_FSM_CHECK(&mme_ue->sm, emm_state_registered))
{
if (OGS_FSM_CHECK(&mme_ue->sm, emm_state_registered)) {
message.h.security_header_type =
NAS_SECURITY_HEADER_INTEGRITY_PROTECTED_AND_CIPHERED;
message.h.protocol_discriminator = NAS_PROTOCOL_DISCRIMINATOR_EMM;
@ -37,13 +55,10 @@ int esm_build_pdn_connectivity_reject(
pdn_connectivity_reject->esm_cause = esm_cause;
if (OGS_FSM_CHECK(&mme_ue->sm, emm_state_registered))
{
if (OGS_FSM_CHECK(&mme_ue->sm, emm_state_registered)) {
ogs_assert(nas_security_encode(pkbuf, mme_ue, &message) == OGS_OK &&
*pkbuf);
}
else
{
} else {
ogs_assert(nas_plain_encode(pkbuf, &message) == OGS_OK && *pkbuf);
}
@ -118,8 +133,7 @@ int esm_build_activate_default_bearer_context_request(
mme_ue->imsi_bcd, sess->pti, bearer->ebi);
memset(&message, 0, sizeof(message));
if (OGS_FSM_CHECK(&mme_ue->sm, emm_state_registered))
{
if (OGS_FSM_CHECK(&mme_ue->sm, emm_state_registered)) {
message.h.security_header_type =
NAS_SECURITY_HEADER_INTEGRITY_PROTECTED_AND_CIPHERED;
message.h.protocol_discriminator = NAS_PROTOCOL_DISCRIMINATOR_EMM;
@ -142,38 +156,30 @@ int esm_build_activate_default_bearer_context_request(
ogs_debug(" APN[%s]", pdn->apn);
pdn_address->pdn_type = pdn->paa.pdn_type;
if (pdn_address->pdn_type == GTP_PDN_TYPE_IPV4)
{
if (pdn_address->pdn_type == GTP_PDN_TYPE_IPV4) {
pdn_address->addr = pdn->paa.addr;
pdn_address->length = NAS_PDN_ADDRESS_IPV4_LEN;
ogs_debug(" IPv4");
}
else if (pdn_address->pdn_type == GTP_PDN_TYPE_IPV6)
{
} else if (pdn_address->pdn_type == GTP_PDN_TYPE_IPV6) {
memcpy(pdn_address->addr6, pdn->paa.addr6+(IPV6_LEN>>1), IPV6_LEN>>1);
pdn_address->length = NAS_PDN_ADDRESS_IPV6_LEN;
ogs_debug(" IPv6");
}
else if (pdn_address->pdn_type == GTP_PDN_TYPE_IPV4V6)
{
} else if (pdn_address->pdn_type == GTP_PDN_TYPE_IPV4V6) {
pdn_address->both.addr = pdn->paa.both.addr;
memcpy(pdn_address->both.addr6,
pdn->paa.both.addr6+(IPV6_LEN>>1), IPV6_LEN>>1);
pdn_address->length = NAS_PDN_ADDRESS_IPV4V6_LEN;
ogs_debug(" IPv4v6");
}
else
} else
ogs_assert_if_reached();
if (pdn->ambr.downlink || pdn->ambr.uplink)
{
if (pdn->ambr.downlink || pdn->ambr.uplink) {
activate_default_eps_bearer_context_request->presencemask |=
NAS_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_APN_AMBR_PRESENT;
apn_ambr_build(apn_ambr, pdn->ambr.downlink, pdn->ambr.uplink);
}
if (sess->pgw_pco.presence && sess->pgw_pco.len && sess->pgw_pco.data)
{
if (sess->pgw_pco.presence && sess->pgw_pco.len && sess->pgw_pco.data) {
activate_default_eps_bearer_context_request->presencemask |=
NAS_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_PRESENT;
protocol_configuration_options->length = sess->pgw_pco.len;
@ -181,13 +187,10 @@ int esm_build_activate_default_bearer_context_request(
sess->pgw_pco.data, protocol_configuration_options->length);
}
if (OGS_FSM_CHECK(&mme_ue->sm, emm_state_registered))
{
if (OGS_FSM_CHECK(&mme_ue->sm, emm_state_registered)) {
ogs_assert(nas_security_encode(pkbuf, mme_ue, &message) == OGS_OK &&
*pkbuf);
}
else
{
} else {
ogs_assert(nas_plain_encode(pkbuf, &message) == OGS_OK && *pkbuf);
}
@ -282,8 +285,7 @@ int esm_build_modify_bearer_context_request(
message.esm.h.procedure_transaction_identity = sess->pti;
message.esm.h.message_type = NAS_MODIFY_EPS_BEARER_CONTEXT_REQUEST;
if (qos_presence == 1)
{
if (qos_presence == 1) {
modify_eps_bearer_context_request->presencemask |=
NAS_MODIFY_EPS_BEARER_CONTEXT_REQUEST_NEW_EPS_QOS_PRESENT;
eps_qos_build(new_eps_qos, bearer->qos.qci,
@ -291,8 +293,7 @@ int esm_build_modify_bearer_context_request(
bearer->qos.gbr.downlink, bearer->qos.gbr.uplink);
}
if (tft_presence == 1)
{
if (tft_presence == 1) {
modify_eps_bearer_context_request->presencemask |=
NAS_MODIFY_EPS_BEARER_CONTEXT_REQUEST_TFT_PRESENT;
tft->length = bearer->tft.len;

29
src/mme/esm-build.h
View File

@ -1,11 +1,30 @@
#ifndef __ESM_BUILD_H__
#define __ESM_BUILD_H__
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef ESM_BUILD_H
#define ESM_BUILD_H
#include "mme-context.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif
int esm_build_pdn_connectivity_reject(ogs_pkbuf_t **pkbuf,
mme_sess_t *sess, nas_esm_cause_t esm_cause);
@ -22,6 +41,6 @@ int esm_build_deactivate_bearer_context_request(
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
#endif /* __ESM_BUILD_H__ */
#endif /* ESM_BUILD_H */

64
src/mme/esm-handler.c
View File

@ -1,3 +1,22 @@
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "nas/nas-message.h"
#include "mme-context.h"
@ -34,8 +53,7 @@ int esm_handle_pdn_connectivity_request(mme_bearer_t *bearer,
security_protected_required = 0;
if (pdn_connectivity_request->presencemask &
NAS_PDN_CONNECTIVITY_REQUEST_ESM_INFORMATION_TRANSFER_FLAG_PRESENT)
{
NAS_PDN_CONNECTIVITY_REQUEST_ESM_INFORMATION_TRANSFER_FLAG_PRESENT) {
nas_esm_information_transfer_flag_t *esm_information_transfer_flag =
&pdn_connectivity_request->esm_information_transfer_flag;
security_protected_required =
@ -45,12 +63,10 @@ int esm_handle_pdn_connectivity_request(mme_bearer_t *bearer,
}
if (pdn_connectivity_request->presencemask &
NAS_PDN_CONNECTIVITY_REQUEST_ACCESS_POINT_NAME_PRESENT)
{
NAS_PDN_CONNECTIVITY_REQUEST_ACCESS_POINT_NAME_PRESENT) {
sess->pdn = mme_pdn_find_by_apn(mme_ue,
pdn_connectivity_request->access_point_name.apn);
if (!sess->pdn)
{
if (!sess->pdn) {
/* Invalid APN */
rv = nas_send_pdn_connectivity_reject(
sess, ESM_CAUSE_MISSING_OR_UNKNOWN_APN);
@ -61,36 +77,30 @@ int esm_handle_pdn_connectivity_request(mme_bearer_t *bearer,
}
if (pdn_connectivity_request->presencemask &
NAS_PDN_CONNECTIVITY_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_PRESENT)
{
NAS_PDN_CONNECTIVITY_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_PRESENT) {
nas_protocol_configuration_options_t *protocol_configuration_options =
&pdn_connectivity_request->protocol_configuration_options;
NAS_STORE_DATA(&sess->ue_pco, protocol_configuration_options);
}
if (security_protected_required)
{
if (security_protected_required) {
rv = nas_send_esm_information_request(bearer);
ogs_assert(rv == OGS_OK);
return OGS_OK;
}
if (!sess->pdn)
{
if (!sess->pdn) {
/* Default APN */
sess->pdn = mme_default_pdn(mme_ue);
}
if (sess->pdn)
{
if (sess->pdn) {
ogs_debug(" APN[%s]", sess->pdn->apn);
rv = mme_gtp_send_create_session_request(sess);
ogs_assert(rv == OGS_OK);
}
else
{
} else {
rv = nas_send_pdn_connectivity_reject(
sess, ESM_CAUSE_MISSING_OR_UNKNOWN_APN);
ogs_assert(rv == OGS_OK);
@ -112,25 +122,21 @@ int esm_handle_information_response(mme_sess_t *sess,
ogs_assert(mme_ue);
if (esm_information_response->presencemask &
NAS_ESM_INFORMATION_RESPONSE_ACCESS_POINT_NAME_PRESENT)
{
NAS_ESM_INFORMATION_RESPONSE_ACCESS_POINT_NAME_PRESENT) {
sess->pdn = mme_pdn_find_by_apn(mme_ue,
esm_information_response->access_point_name.apn);
}
if (esm_information_response->presencemask &
NAS_ESM_INFORMATION_RESPONSE_PROTOCOL_CONFIGURATION_OPTIONS_PRESENT)
{
NAS_ESM_INFORMATION_RESPONSE_PROTOCOL_CONFIGURATION_OPTIONS_PRESENT) {
nas_protocol_configuration_options_t *protocol_configuration_options =
&esm_information_response->protocol_configuration_options;
NAS_STORE_DATA(&sess->ue_pco, protocol_configuration_options);
}
if (sess->pdn)
{
if (sess->pdn) {
ogs_debug(" APN[%s]", sess->pdn->apn);
if (SESSION_CONTEXT_IS_AVAILABLE(mme_ue))
{
if (SESSION_CONTEXT_IS_AVAILABLE(mme_ue)) {
mme_vlr_t *vlr = mme_vlr_find_by_tai(&mme_ue->tai);
mme_ue->vlr = vlr;
@ -138,15 +144,11 @@ int esm_handle_information_response(mme_sess_t *sess,
sgsap_send_location_update_request(mme_ue);
else
nas_send_attach_accept(mme_ue);
}
else
{
} else {
rv = mme_gtp_send_create_session_request(sess);
ogs_assert(rv == OGS_OK);
}
}
else
{
} else {
rv = nas_send_pdn_connectivity_reject(
sess, ESM_CAUSE_MISSING_OR_UNKNOWN_APN);
ogs_assert(rv == OGS_OK);

29
src/mme/esm-handler.h
View File

@ -1,5 +1,24 @@
#ifndef __ESM_HANDLER_H__
#define __ESM_HANDLER_H__
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef ESM_HANDLER_H
#define ESM_HANDLER_H
#include "nas/nas-message.h"
@ -7,7 +26,7 @@
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif
int esm_handle_pdn_connectivity_request(mme_bearer_t *bearer,
nas_pdn_connectivity_request_t *pdn_connectivity_request);
@ -16,6 +35,6 @@ int esm_handle_information_response(mme_sess_t *sess,
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
#endif /* __ESM_HANDLER_H__ */
#endif /* ESM_HANDLER_H */

146
src/mme/esm-sm.c
View File

@ -1,5 +1,23 @@
#include "nas/nas-message.h"
/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "nas/nas-message.h"
#include "mme-event.h"
#include "mme-sm.h"
#include "mme-fd-path.h"
@ -35,6 +53,7 @@ void esm_state_inactive(ogs_fsm_t *s, mme_event_t *e)
mme_ue_t *mme_ue = NULL;
mme_sess_t *sess = NULL;
mme_bearer_t *bearer = NULL;
nas_message_t *message = NULL;
ogs_assert(s);
ogs_assert(e);
@ -48,61 +67,46 @@ void esm_state_inactive(ogs_fsm_t *s, mme_event_t *e)
mme_ue = sess->mme_ue;
ogs_assert(mme_ue);
switch (e->id)
{
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
{
break;
}
case OGS_FSM_EXIT_SIG:
{
break;
}
case MME_EVT_ESM_MESSAGE:
{
nas_message_t *message = e->nas_message;
message = e->nas_message;
ogs_assert(message);
switch(message->esm.h.message_type)
{
switch (message->esm.h.message_type) {
case NAS_PDN_CONNECTIVITY_REQUEST:
{
ogs_debug("[ESM] PDN Connectivity request");
ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
mme_ue->imsi_bcd, sess->pti, bearer->ebi);
rv = esm_handle_pdn_connectivity_request(
bearer, &message->esm.pdn_connectivity_request);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
OGS_FSM_TRAN(s, esm_state_exception);
break;
}
break;
}
case NAS_ESM_INFORMATION_RESPONSE:
{
ogs_debug("[ESM] ESM information response");
ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
mme_ue->imsi_bcd, sess->pti, bearer->ebi);
rv = esm_handle_information_response(
sess, &message->esm.esm_information_response);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
OGS_FSM_TRAN(s, esm_state_exception);
break;
}
break;
}
case NAS_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_ACCEPT:
{
ogs_debug("[ESM] Activate default EPS bearer "
"context accept");
ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
mme_ue->imsi_bcd, sess->pti, bearer->ebi);
/* Check if Initial Context Setup Response or
* E-RAB Setup Response is received */
if (MME_HAVE_ENB_S1U_PATH(bearer))
{
if (MME_HAVE_ENB_S1U_PATH(bearer)) {
rv = mme_gtp_send_modify_bearer_request(bearer, 0);
ogs_assert(rv == OGS_OK);
}
@ -112,40 +116,30 @@ void esm_state_inactive(ogs_fsm_t *s, mme_event_t *e)
OGS_FSM_TRAN(s, esm_state_active);
break;
}
case NAS_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_ACCEPT:
{
ogs_debug("[ESM] Activate dedicated EPS bearer "
"context accept");
ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
mme_ue->imsi_bcd, sess->pti, bearer->ebi);
/* Check if Initial Context Setup Response or
* E-RAB Setup Response is received */
if (MME_HAVE_ENB_S1U_PATH(bearer))
{
if (MME_HAVE_ENB_S1U_PATH(bearer)) {
rv = mme_gtp_send_create_bearer_response(bearer);
ogs_assert(rv == OGS_OK);
}
OGS_FSM_TRAN(s, esm_state_active);
break;
}
default:
{
ogs_error("Unknown message(type:%d)",
message->esm.h.message_type);
break;
}
}
break;
}
default:
{
ogs_error("Unknown event %s", mme_event_get_name(e));
break;
}
}
}
void esm_state_active(ogs_fsm_t *s, mme_event_t *e)
@ -154,6 +148,7 @@ void esm_state_active(ogs_fsm_t *s, mme_event_t *e)
mme_ue_t *mme_ue = NULL;
mme_sess_t *sess = NULL;
mme_bearer_t *bearer = NULL;
nas_message_t *message = NULL;
ogs_assert(s);
ogs_assert(e);
@ -167,59 +162,43 @@ void esm_state_active(ogs_fsm_t *s, mme_event_t *e)
mme_ue = sess->mme_ue;
ogs_assert(mme_ue);
switch (e->id)
{
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
{
break;
}
case OGS_FSM_EXIT_SIG:
{
break;
}
case MME_EVT_ESM_MESSAGE:
{
nas_message_t *message = e->nas_message;
message = e->nas_message;
ogs_assert(message);
switch(message->esm.h.message_type)
{
switch (message->esm.h.message_type) {
case NAS_PDN_CONNECTIVITY_REQUEST:
{
ogs_debug("[ESM] PDN Connectivity request");
ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
mme_ue->imsi_bcd, sess->pti, bearer->ebi);
rv = esm_handle_pdn_connectivity_request(
bearer, &message->esm.pdn_connectivity_request);
if (rv != OGS_OK)
{
if (rv != OGS_OK) {
OGS_FSM_TRAN(s, esm_state_exception);
break;
}
OGS_FSM_TRAN(s, esm_state_inactive);
break;
}
case NAS_PDN_DISCONNECT_REQUEST:
{
ogs_debug("[ESM] PDN disconnect request");
ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
mme_ue->imsi_bcd, sess->pti, bearer->ebi);
if (MME_HAVE_SGW_S1U_PATH(sess))
{
if (MME_HAVE_SGW_S1U_PATH(sess)) {
rv = mme_gtp_send_delete_session_request(sess);
ogs_assert(rv == OGS_OK);
}
else
{
} else {
rv = nas_send_deactivate_bearer_context_request(bearer);
ogs_assert(rv == OGS_OK);
}
OGS_FSM_TRAN(s, esm_state_pdn_will_disconnect);
break;
}
case NAS_MODIFY_EPS_BEARER_CONTEXT_ACCEPT:
{
ogs_debug("[ESM] Modify EPS bearer context accept");
ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
mme_ue->imsi_bcd, sess->pti, bearer->ebi);
@ -227,9 +206,7 @@ void esm_state_active(ogs_fsm_t *s, mme_event_t *e)
rv = mme_gtp_send_update_bearer_response(bearer);
ogs_assert(rv == OGS_OK);
break;
}
case NAS_DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT:
{
ogs_debug("[ESM] [A] Deactivate EPS bearer "
"context accept");
ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
@ -238,23 +215,16 @@ void esm_state_active(ogs_fsm_t *s, mme_event_t *e)
ogs_assert(rv == OGS_OK);
OGS_FSM_TRAN(s, esm_state_bearer_deactivated);
break;
}
default:
{
ogs_error("Unknown message(type:%d)",
message->esm.h.message_type);
break;
}
}
break;
}
default:
{
ogs_error("Unknown event %s", mme_event_get_name(e));
break;
}
}
}
void esm_state_pdn_will_disconnect(ogs_fsm_t *s, mme_event_t *e)
@ -262,6 +232,7 @@ void esm_state_pdn_will_disconnect(ogs_fsm_t *s, mme_event_t *e)
mme_ue_t *mme_ue = NULL;
mme_sess_t *sess = NULL;
mme_bearer_t *bearer = NULL;
nas_message_t *message = NULL;
ogs_assert(s);
ogs_assert(e);
@ -275,48 +246,34 @@ void esm_state_pdn_will_disconnect(ogs_fsm_t *s, mme_event_t *e)
mme_ue = sess->mme_ue;
ogs_assert(mme_ue);
switch (e->id)
{
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
{
break;
}
case OGS_FSM_EXIT_SIG:
{
break;
}
case MME_EVT_ESM_MESSAGE:
{
nas_message_t *message = e->nas_message;
message = e->nas_message;
ogs_assert(message);
switch(message->esm.h.message_type)
{
switch (message->esm.h.message_type) {
case NAS_DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT:
{
ogs_debug("[ESM] [D] Deactivate EPS bearer "
"context accept");
ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
mme_ue->imsi_bcd, sess->pti, bearer->ebi);
OGS_FSM_TRAN(s, esm_state_pdn_did_disconnect);
break;
}
default:
{
ogs_error("Unknown message(type:%d)",
message->esm.h.message_type);
break;
}
}
break;
}
default:
{
ogs_error("Unknown event %s", mme_event_get_name(e));
break;
}
}
}
void esm_state_pdn_did_disconnect(ogs_fsm_t *s, mme_event_t *e)
@ -324,22 +281,15 @@ void esm_state_pdn_did_disconnect(ogs_fsm_t *s, mme_event_t *e)
ogs_assert(e);
mme_sm_debug(e);
switch (e->id)
{
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
{
break;
}
case OGS_FSM_EXIT_SIG:
{
break;
}
default:
{
ogs_error("Unknown event %s", mme_event_get_name(e));
break;
}
}
}
void esm_state_bearer_deactivated(ogs_fsm_t *s, mme_event_t *e)
@ -347,22 +297,15 @@ void esm_state_bearer_deactivated(ogs_fsm_t *s, mme_event_t *e)
ogs_assert(e);
mme_sm_debug(e);
switch (e->id)
{
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
{
break;
}
case OGS_FSM_EXIT_SIG:
{
break;
}
default:
{
ogs_error("Unknown event %s", mme_event_get_name(e));
break;
}
}
}
void esm_state_exception(ogs_fsm_t *s, mme_event_t *e)
@ -370,20 +313,13 @@ void esm_state_exception(ogs_fsm_t *s, mme_event_t *e)
ogs_assert(e);
mme_sm_debug(e);
switch (e->id)
{
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
{
break;
}
case OGS_FSM_EXIT_SIG:
{
break;
}
default:
{
ogs_error("Unknown event %s", mme_event_get_name(e));
break;
}
}
}