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update it

This commit is contained in:
Sukchan Lee 2017-09-07 22:22:42 +09:00
parent bd4a816587
commit 913762c317
6 changed files with 138 additions and 23 deletions
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69
src/mme/esm_sm.c
View File

@ -190,6 +190,7 @@ void esm_state_information(fsm_t *s, event_t *e)
void esm_state_active(fsm_t *s, event_t *e)
{
status_t rv;
mme_ue_t *mme_ue = NULL;
mme_sess_t *sess = NULL;
mme_bearer_t *bearer = NULL;
@ -230,6 +231,74 @@ void esm_state_active(fsm_t *s, event_t *e)
FSM_TRAN(s, esm_state_inactive);
break;
}
case NAS_PDN_DISCONNECT_REQUEST:
{
if (MME_HAVE_SGW_S1U_PATH(sess))
{
rv = mme_gtp_send_delete_session_request(sess);
d_assert(rv == CORE_OK, return,
"mme_gtp_send_delete_session_request error");
}
else
{
mme_sess_remove(sess);
}
FSM_TRAN(s, esm_state_disconnect);
break;
}
default:
{
d_warn("Not implemented(type:%d)",
message->esm.h.message_type);
break;
}
}
break;
}
default:
{
d_error("Unknown event %s", mme_event_get_name(e));
break;
}
}
}
void esm_state_disconnect(fsm_t *s, event_t *e)
{
mme_ue_t *mme_ue = NULL;
mme_sess_t *sess = NULL;
mme_bearer_t *bearer = NULL;
d_assert(s, return, "Null param");
d_assert(e, return, "Null param");
mme_sm_trace(3, e);
bearer = mme_bearer_find(event_get_param1(e));
d_assert(bearer, return, "Null param");
sess = bearer->sess;
d_assert(sess, return, "Null param");
mme_ue = sess->mme_ue;
d_assert(mme_ue, return, "Null param");
switch (event_get(e))
{
case FSM_ENTRY_SIG:
{
break;
}
case FSM_EXIT_SIG:
{
break;
}
case MME_EVT_ESM_MESSAGE:
{
nas_message_t *message = (nas_message_t *)event_get_param3(e);
d_assert(message, break, "Null param");
switch(message->esm.h.message_type)
{
default:
{
d_warn("Not implemented(type:%d)",

30
src/mme/mme_gtp_path.c
View File

@ -124,6 +124,36 @@ status_t mme_gtp_send_modify_bearer_request(mme_bearer_t *bearer)
return CORE_OK;
}
status_t mme_gtp_send_delete_session_request(mme_sess_t *sess)
{
status_t rv;
pkbuf_t *s11buf = NULL;
gtp_header_t h;
gtp_xact_t *xact = NULL;
mme_ue_t *mme_ue = NULL;
d_assert(sess, return CORE_ERROR, "Null param");
mme_ue = sess->mme_ue;
d_assert(mme_ue, return CORE_ERROR, "Null param");
memset(&h, 0, sizeof(gtp_header_t));
h.type = GTP_DELETE_SESSION_REQUEST_TYPE;
h.teid = mme_ue->sgw_s11_teid;
rv = mme_s11_build_delete_session_request(&s11buf, h.type, sess);
d_assert(rv == CORE_OK, return CORE_ERROR, "S11 build error");
xact = gtp_xact_local_create(sess->sgw, &h, s11buf);
d_assert(xact, return CORE_ERROR, "Null param");
GTP_XACT_STORE_SESSION(xact, sess);
rv = gtp_xact_commit(xact);
d_assert(rv == CORE_OK, return CORE_ERROR, "xact_commit error");
return CORE_OK;
}
status_t mme_gtp_send_create_bearer_response(mme_bearer_t *bearer)
{
status_t rv;

2
src/mme/mme_gtp_path.h
View File

@ -14,6 +14,8 @@ CORE_DECLARE(status_t) mme_gtp_close();
CORE_DECLARE(status_t) mme_gtp_send_modify_bearer_request(
mme_bearer_t *bearer);
CORE_DECLARE(status_t) mme_gtp_send_delete_session_request(
mme_sess_t *sess);
CORE_DECLARE(status_t) mme_gtp_send_create_bearer_response(
mme_bearer_t *bearer);
CORE_DECLARE(status_t) mme_gtp_send_release_access_bearers_response(

21
src/mme/mme_s11_handler.c
View File

@ -127,7 +127,6 @@ void mme_s11_handle_modify_bearer_response(
void mme_s11_handle_delete_all_sessions_in_ue(mme_ue_t *mme_ue)
{
status_t rv;
pkbuf_t *s11buf = NULL;
mme_sess_t *sess = NULL, *next_sess = NULL;
d_assert(mme_ue, return, "Null param");
@ -138,23 +137,9 @@ void mme_s11_handle_delete_all_sessions_in_ue(mme_ue_t *mme_ue)
if (MME_HAVE_SGW_S1U_PATH(sess))
{
gtp_header_t h;
gtp_xact_t *xact = NULL;
memset(&h, 0, sizeof(gtp_header_t));
h.type = GTP_DELETE_SESSION_REQUEST_TYPE;
h.teid = mme_ue->sgw_s11_teid;
rv = mme_s11_build_delete_session_request(&s11buf, h.type, sess);
d_assert(rv == CORE_OK, return, "S11 build error");
xact = gtp_xact_local_create(sess->sgw, &h, s11buf);
d_assert(xact, return, "Null param");
GTP_XACT_STORE_SESSION(xact, sess);
rv = gtp_xact_commit(xact);
d_assert(rv == CORE_OK, return, "xact_commit error");
rv = mme_gtp_send_delete_session_request(sess);
d_assert(rv == CORE_OK, return,
"mme_gtp_send_delete_session_request error");
}
else
{

38
src/mme/mme_sm.c
View File

@ -348,6 +348,8 @@ void mme_state_operational(fsm_t *s, event_t *e)
if (rv != CORE_OK)
break;
d_assert(xact, return, "Null param");
mme_ue = mme_ue_find_by_teid(message.h.teid);
d_assert(mme_ue, pkbuf_free(pkbuf); break,
"No UE Context(TEID:%d)", message.h.teid);
@ -425,31 +427,57 @@ void mme_state_operational(fsm_t *s, event_t *e)
break;
case GTP_DELETE_SESSION_RESPONSE_TYPE:
{
mme_s11_handle_delete_session_response(
xact, mme_ue, &message.delete_session_response);
mme_sess_t *sess = NULL;
gtp_delete_session_response_t *rsp =
&message.delete_session_response;
if (mme_sess_first(mme_ue) == NULL)
d_assert(rsp, return, "Null param");
sess = GTP_XACT_RETRIEVE_SESSION(xact);
d_assert(sess, return, "Null param");
if (rsp->cause.presence == 0)
{
CLEAR_SGW_S11_PATH(mme_ue);
d_error("No Cause");
return;
}
d_trace(3, "[GTP] Delete Session Response : "
"MME[%d] <-- SGW[%d]\n",
mme_ue->mme_s11_teid, mme_ue->sgw_s11_teid);
rv = gtp_xact_commit(xact);
d_assert(rv == CORE_OK, return, "xact_commit error");
if (FSM_CHECK(&mme_ue->sm, emm_state_authentication))
{
mme_sess_remove(sess);
if (mme_sess_first(mme_ue) == NULL)
{
CLEAR_SGW_S11_PATH(mme_ue);
mme_s6a_send_air(mme_ue);
}
}
else if (FSM_CHECK(&mme_ue->sm, emm_state_detached))
{
mme_sess_remove(sess);
if (mme_sess_first(mme_ue) == NULL)
{
CLEAR_SGW_S11_PATH(mme_ue);
emm_handle_detach_accept(mme_ue);
}
}
else if (FSM_CHECK(&mme_ue->sm, emm_state_attached))
{
d_assert(0, , "Coming Soon!");
mme_bearer_t *bearer = mme_default_bearer_in_sess(sess);
d_assert(bearer, return, "Null param");
if (FSM_CHECK(&bearer->sm, esm_state_disconnect))
{
}
else
{
d_assert(0, break, "Invalid ESM state");
}
}
else
d_assert(0, break, "Invalid EMM state");

1
src/mme/mme_sm.h
View File

@ -34,6 +34,7 @@ void esm_state_final(fsm_t *s, event_t *e);
void esm_state_inactive(fsm_t *s, event_t *e);
void esm_state_information(fsm_t *s, event_t *e);
void esm_state_active(fsm_t *s, event_t *e);
void esm_state_disconnect(fsm_t *s, event_t *e);
void esm_state_session_exception(fsm_t *s, event_t *e);
void esm_state_bearer_exception(fsm_t *s, event_t *e);