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ignore delete session in UEContextReleaseComplete

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if MME re-started, there is no MME_UE context. In this case, we ignore
delete sessoin process in UEContextReleaseComplete
This commit is contained in:
Sukchan Lee
2018-01-09 17:38:06 +09:00
parent 1a9ba2680b
commit a15b60024b
1 changed files with 28 additions and 26 deletions
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54
src/mme/s1ap_handler.c
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@@ -132,8 +132,8 @@ void s1ap_handle_initial_ue_message(mme_enb_t *enb, s1ap_message_t *message)
mme_ue = mme_ue_find_by_guti(&guti);
if (!mme_ue)
{
d_error("Can not find mme_ue with mme_code = %d, m_tmsi = %d",
guti.mme_code, guti.m_tmsi);
d_warn("Unknown UE by S_TMSI[G:%d,C:%d,M_TMSI:0x%x]",
guti.mme_gid, guti.mme_code, guti.m_tmsi);
}
else
{
@@ -493,8 +493,6 @@ void s1ap_handle_ue_context_release_complete(
enb_ue = enb_ue_find_by_mme_ue_s1ap_id(ies->mme_ue_s1ap_id);
d_assert(enb_ue, return, "No UE Context[%d]", ies->mme_ue_s1ap_id);
mme_ue = enb_ue->mme_ue;
d_assert(mme_ue, return,);
d_trace(3, "[S1AP] UE Context Release Complete : "
"UE[mME-UE-S1AP-ID(%d)] --> eNB[%s:%d]\n",
@@ -503,35 +501,39 @@ void s1ap_handle_ue_context_release_complete(
enb_ue_remove(enb_ue);
sess = mme_sess_first(mme_ue);
while(sess)
mme_ue = enb_ue->mme_ue;
if (mme_ue)
{
bearer = mme_bearer_first(sess);
while(bearer)
sess = mme_sess_first(mme_ue);
while(sess)
{
if (MME_HAVE_SGW_DL_INDIRECT_TUNNEL(bearer) ||
MME_HAVE_SGW_UL_INDIRECT_TUNNEL(bearer))
bearer = mme_bearer_first(sess);
while(bearer)
{
need_to_delete_indirect_tunnel = 1;
if (MME_HAVE_SGW_DL_INDIRECT_TUNNEL(bearer) ||
MME_HAVE_SGW_UL_INDIRECT_TUNNEL(bearer))
{
need_to_delete_indirect_tunnel = 1;
}
bearer = mme_bearer_next(bearer);
}
bearer = mme_bearer_next(bearer);
sess = mme_sess_next(sess);
}
sess = mme_sess_next(sess);
}
if (need_to_delete_indirect_tunnel)
{
rv = mme_gtp_send_delete_indirect_data_forwarding_tunnel_request(
mme_ue);
d_assert(rv == CORE_OK, return, "gtp send error");
}
else
{
if (!FSM_CHECK(&mme_ue->sm, emm_state_detached) &&
!FSM_CHECK(&mme_ue->sm, emm_state_attached))
if (need_to_delete_indirect_tunnel)
{
mme_ue_remove(mme_ue);
rv = mme_gtp_send_delete_indirect_data_forwarding_tunnel_request(
mme_ue);
d_assert(rv == CORE_OK, return, "gtp send error");
}
else
{
if (!FSM_CHECK(&mme_ue->sm, emm_state_detached) &&
!FSM_CHECK(&mme_ue->sm, emm_state_attached))
{
mme_ue_remove(mme_ue);
}
}
}
}