2019-06-11 09:28:25 +00:00
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#include "nas/nas-message.h"
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2017-03-26 06:34:34 +00:00
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2019-06-11 13:10:47 +00:00
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#include "mme-event.h"
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#include "mme-sm.h"
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#include "mme-fd-path.h"
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#include "emm-handler.h"
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#include "esm-build.h"
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#include "esm-handler.h"
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#include "mme-s11-handler.h"
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#include "nas-path.h"
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#include "mme-gtp-path.h"
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2017-03-06 00:00:37 +00:00
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2019-04-27 14:54:30 +00:00
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#undef OGS_LOG_DOMAIN
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#define OGS_LOG_DOMAIN __esm_log_domain
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void esm_state_initial(ogs_fsm_t *s, mme_event_t *e)
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2017-03-05 07:49:57 +00:00
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{
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2019-04-27 14:54:30 +00:00
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ogs_assert(s);
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2017-03-05 07:49:57 +00:00
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2019-04-27 14:54:30 +00:00
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mme_sm_debug(e);
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2017-03-05 07:49:57 +00:00
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2019-04-27 14:54:30 +00:00
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OGS_FSM_TRAN(s, &esm_state_inactive);
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2017-03-05 07:49:57 +00:00
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}
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2019-04-27 14:54:30 +00:00
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void esm_state_final(ogs_fsm_t *s, mme_event_t *e)
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2017-03-05 07:49:57 +00:00
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{
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2019-04-27 14:54:30 +00:00
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ogs_assert(s);
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2017-03-05 07:49:57 +00:00
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2019-04-27 14:54:30 +00:00
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mme_sm_debug(e);
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2017-03-05 07:49:57 +00:00
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}
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2019-04-27 14:54:30 +00:00
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void esm_state_inactive(ogs_fsm_t *s, mme_event_t *e)
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2017-03-05 07:49:57 +00:00
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{
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2019-04-27 14:54:30 +00:00
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int rv;
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2017-09-03 15:06:39 +00:00
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mme_ue_t *mme_ue = NULL;
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2017-09-04 13:00:51 +00:00
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mme_sess_t *sess = NULL;
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mme_bearer_t *bearer = NULL;
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2017-09-03 15:06:39 +00:00
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2019-04-27 14:54:30 +00:00
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ogs_assert(s);
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ogs_assert(e);
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2017-03-05 07:49:57 +00:00
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2019-04-27 14:54:30 +00:00
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mme_sm_debug(e);
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2017-03-05 07:49:57 +00:00
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2019-04-27 14:54:30 +00:00
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bearer = e->bearer;
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ogs_assert(bearer);
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2017-09-04 13:00:51 +00:00
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sess = bearer->sess;
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2019-04-27 14:54:30 +00:00
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ogs_assert(sess);
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2017-09-03 15:06:39 +00:00
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mme_ue = sess->mme_ue;
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2019-04-27 14:54:30 +00:00
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ogs_assert(mme_ue);
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2017-09-03 15:06:39 +00:00
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2019-04-27 14:54:30 +00:00
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switch (e->id)
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2017-03-05 07:49:57 +00:00
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{
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2019-04-27 14:54:30 +00:00
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case OGS_FSM_ENTRY_SIG:
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2017-03-05 07:49:57 +00:00
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{
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break;
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}
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2019-04-27 14:54:30 +00:00
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case OGS_FSM_EXIT_SIG:
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2017-03-05 07:49:57 +00:00
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{
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break;
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}
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2017-08-25 15:25:55 +00:00
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case MME_EVT_ESM_MESSAGE:
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2017-03-05 07:49:57 +00:00
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{
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2019-04-27 14:54:30 +00:00
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nas_message_t *message = e->nas_message;
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ogs_assert(message);
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2017-03-05 08:36:16 +00:00
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2017-04-09 05:57:07 +00:00
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switch(message->esm.h.message_type)
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2017-03-05 09:09:34 +00:00
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{
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2017-03-27 10:32:24 +00:00
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case NAS_PDN_CONNECTIVITY_REQUEST:
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2017-03-05 09:09:34 +00:00
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{
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2019-04-27 14:54:30 +00:00
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ogs_debug("[ESM] PDN Connectivity request");
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ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
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2018-01-22 14:14:20 +00:00
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mme_ue->imsi_bcd, sess->pti, bearer->ebi);
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2017-09-23 15:59:51 +00:00
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rv = esm_handle_pdn_connectivity_request(
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2017-09-08 07:46:37 +00:00
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bearer, &message->esm.pdn_connectivity_request);
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2019-04-27 14:54:30 +00:00
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if (rv != OGS_OK)
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2018-01-02 09:18:45 +00:00
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{
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2019-04-27 14:54:30 +00:00
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OGS_FSM_TRAN(s, esm_state_exception);
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2018-01-02 09:18:45 +00:00
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break;
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}
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2017-09-23 15:59:51 +00:00
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break;
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}
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case NAS_ESM_INFORMATION_RESPONSE:
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{
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2019-04-27 14:54:30 +00:00
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ogs_debug("[ESM] ESM information response");
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ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
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2018-01-22 14:14:20 +00:00
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mme_ue->imsi_bcd, sess->pti, bearer->ebi);
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2017-09-23 15:59:51 +00:00
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rv = esm_handle_information_response(
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sess, &message->esm.esm_information_response);
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2019-04-27 14:54:30 +00:00
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if (rv != OGS_OK)
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2018-01-02 09:18:45 +00:00
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{
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2019-04-27 14:54:30 +00:00
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OGS_FSM_TRAN(s, esm_state_exception);
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2018-01-02 09:18:45 +00:00
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break;
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}
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2017-03-06 12:45:41 +00:00
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break;
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}
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2017-04-13 14:30:56 +00:00
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case NAS_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_ACCEPT:
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{
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2019-04-27 14:54:30 +00:00
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ogs_debug("[ESM] Activate default EPS bearer "
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"context accept");
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ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
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2018-01-22 14:14:20 +00:00
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mme_ue->imsi_bcd, sess->pti, bearer->ebi);
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2018-02-01 12:38:59 +00:00
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/* Check if Initial Context Setup Response or
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* E-RAB Setup Response is received */
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2017-09-08 03:11:44 +00:00
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if (MME_HAVE_ENB_S1U_PATH(bearer))
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{
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2017-09-14 08:29:34 +00:00
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rv = mme_gtp_send_modify_bearer_request(bearer, 0);
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2019-04-27 14:54:30 +00:00
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ogs_assert(rv == OGS_OK);
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2017-09-08 03:11:44 +00:00
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}
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2018-02-01 12:38:59 +00:00
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rv = nas_send_activate_all_dedicated_bearers(bearer);
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2019-04-27 14:54:30 +00:00
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ogs_assert(rv == OGS_OK);
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2018-02-01 12:38:59 +00:00
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2019-04-27 14:54:30 +00:00
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OGS_FSM_TRAN(s, esm_state_active);
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2017-09-05 03:37:27 +00:00
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break;
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}
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case NAS_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_ACCEPT:
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{
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2019-04-27 14:54:30 +00:00
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ogs_debug("[ESM] Activate dedicated EPS bearer "
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"context accept");
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ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
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2018-01-22 14:14:20 +00:00
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mme_ue->imsi_bcd, sess->pti, bearer->ebi);
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2018-02-01 12:38:59 +00:00
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/* Check if Initial Context Setup Response or
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* E-RAB Setup Response is received */
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2017-09-08 03:11:44 +00:00
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if (MME_HAVE_ENB_S1U_PATH(bearer))
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{
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rv = mme_gtp_send_create_bearer_response(bearer);
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2019-04-27 14:54:30 +00:00
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ogs_assert(rv == OGS_OK);
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2017-09-08 03:11:44 +00:00
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}
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2019-04-27 14:54:30 +00:00
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OGS_FSM_TRAN(s, esm_state_active);
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2017-04-13 14:30:56 +00:00
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break;
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}
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2017-03-05 09:09:34 +00:00
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default:
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{
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2019-04-27 14:54:30 +00:00
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ogs_error("Unknown message(type:%d)",
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2017-04-09 05:57:07 +00:00
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message->esm.h.message_type);
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2017-03-05 09:09:34 +00:00
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break;
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}
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}
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2017-03-05 07:49:57 +00:00
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break;
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}
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default:
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{
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2019-04-27 14:54:30 +00:00
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ogs_error("Unknown event %s", mme_event_get_name(e));
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2017-03-05 07:49:57 +00:00
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break;
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}
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}
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}
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2019-04-27 14:54:30 +00:00
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void esm_state_active(ogs_fsm_t *s, mme_event_t *e)
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2017-03-05 07:49:57 +00:00
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{
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2019-04-27 14:54:30 +00:00
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int rv;
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2017-09-05 03:37:27 +00:00
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mme_ue_t *mme_ue = NULL;
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mme_sess_t *sess = NULL;
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mme_bearer_t *bearer = NULL;
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2019-04-27 14:54:30 +00:00
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ogs_assert(s);
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ogs_assert(e);
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2017-03-05 07:49:57 +00:00
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2019-04-27 14:54:30 +00:00
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mme_sm_debug(e);
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2017-03-05 07:49:57 +00:00
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2019-04-27 14:54:30 +00:00
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bearer = e->bearer;
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ogs_assert(bearer);
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2017-09-05 03:37:27 +00:00
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sess = bearer->sess;
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2019-04-27 14:54:30 +00:00
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ogs_assert(sess);
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2017-09-05 03:37:27 +00:00
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mme_ue = sess->mme_ue;
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2019-04-27 14:54:30 +00:00
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ogs_assert(mme_ue);
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2017-09-05 03:37:27 +00:00
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2019-04-27 14:54:30 +00:00
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switch (e->id)
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2017-03-05 07:49:57 +00:00
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{
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2019-04-27 14:54:30 +00:00
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case OGS_FSM_ENTRY_SIG:
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2017-03-05 07:49:57 +00:00
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{
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break;
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}
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2019-04-27 14:54:30 +00:00
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case OGS_FSM_EXIT_SIG:
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2017-03-05 07:49:57 +00:00
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{
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break;
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}
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2017-09-05 03:37:27 +00:00
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case MME_EVT_ESM_MESSAGE:
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{
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2019-04-27 14:54:30 +00:00
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nas_message_t *message = e->nas_message;
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ogs_assert(message);
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2017-09-05 03:37:27 +00:00
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switch(message->esm.h.message_type)
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{
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case NAS_PDN_CONNECTIVITY_REQUEST:
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{
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2019-04-27 14:54:30 +00:00
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ogs_debug("[ESM] PDN Connectivity request");
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ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
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2018-01-22 14:14:20 +00:00
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mme_ue->imsi_bcd, sess->pti, bearer->ebi);
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2017-09-23 15:59:51 +00:00
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rv = esm_handle_pdn_connectivity_request(
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2017-09-08 07:46:37 +00:00
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bearer, &message->esm.pdn_connectivity_request);
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2019-04-27 14:54:30 +00:00
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if (rv != OGS_OK)
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2018-01-02 09:18:45 +00:00
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{
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2019-04-27 14:54:30 +00:00
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OGS_FSM_TRAN(s, esm_state_exception);
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2018-01-02 09:18:45 +00:00
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break;
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}
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2019-04-27 14:54:30 +00:00
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OGS_FSM_TRAN(s, esm_state_inactive);
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2017-09-05 03:37:27 +00:00
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break;
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}
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2017-09-07 13:22:42 +00:00
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case NAS_PDN_DISCONNECT_REQUEST:
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{
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2019-04-27 14:54:30 +00:00
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ogs_debug("[ESM] PDN disconnect request");
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ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
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2018-02-09 14:14:30 +00:00
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mme_ue->imsi_bcd, sess->pti, bearer->ebi);
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2017-09-07 13:22:42 +00:00
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if (MME_HAVE_SGW_S1U_PATH(sess))
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{
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rv = mme_gtp_send_delete_session_request(sess);
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2019-04-27 14:54:30 +00:00
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ogs_assert(rv == OGS_OK);
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2017-09-07 13:22:42 +00:00
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}
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else
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{
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2018-01-16 13:14:59 +00:00
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rv = nas_send_deactivate_bearer_context_request(bearer);
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2019-04-27 14:54:30 +00:00
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ogs_assert(rv == OGS_OK);
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2017-09-07 13:22:42 +00:00
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}
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2019-04-27 14:54:30 +00:00
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OGS_FSM_TRAN(s, esm_state_pdn_will_disconnect);
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2018-01-16 13:14:59 +00:00
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break;
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}
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2018-01-17 06:41:45 +00:00
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case NAS_MODIFY_EPS_BEARER_CONTEXT_ACCEPT:
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{
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2019-04-27 14:54:30 +00:00
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ogs_debug("[ESM] Modify EPS bearer context accept");
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ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
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2018-02-09 14:14:30 +00:00
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mme_ue->imsi_bcd, sess->pti, bearer->ebi);
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2018-01-17 07:01:11 +00:00
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2018-01-17 06:41:45 +00:00
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rv = mme_gtp_send_update_bearer_response(bearer);
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2019-04-27 14:54:30 +00:00
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ogs_assert(rv == OGS_OK);
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2018-01-17 06:41:45 +00:00
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break;
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}
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2018-01-16 13:14:59 +00:00
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case NAS_DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT:
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{
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2019-04-27 14:54:30 +00:00
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ogs_debug("[ESM] [A] Deactivate EPS bearer "
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"context accept");
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ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
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2018-02-09 14:14:30 +00:00
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mme_ue->imsi_bcd, sess->pti, bearer->ebi);
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2018-01-16 13:14:59 +00:00
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rv = mme_gtp_send_delete_bearer_response(bearer);
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2019-04-27 14:54:30 +00:00
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ogs_assert(rv == OGS_OK);
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OGS_FSM_TRAN(s, esm_state_bearer_deactivated);
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2017-09-07 13:22:42 +00:00
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break;
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}
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default:
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{
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2019-04-27 14:54:30 +00:00
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ogs_error("Unknown message(type:%d)",
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2017-09-07 13:22:42 +00:00
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message->esm.h.message_type);
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break;
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}
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}
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break;
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}
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default:
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{
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2019-04-27 14:54:30 +00:00
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ogs_error("Unknown event %s", mme_event_get_name(e));
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2017-09-07 13:22:42 +00:00
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break;
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}
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}
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}
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2019-04-27 14:54:30 +00:00
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void esm_state_pdn_will_disconnect(ogs_fsm_t *s, mme_event_t *e)
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2017-09-07 13:22:42 +00:00
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{
|
|
|
|
mme_ue_t *mme_ue = NULL;
|
|
|
|
mme_sess_t *sess = NULL;
|
|
|
|
mme_bearer_t *bearer = NULL;
|
|
|
|
|
2019-04-27 14:54:30 +00:00
|
|
|
ogs_assert(s);
|
|
|
|
ogs_assert(e);
|
2017-09-07 13:22:42 +00:00
|
|
|
|
2019-04-27 14:54:30 +00:00
|
|
|
mme_sm_debug(e);
|
2017-09-07 13:22:42 +00:00
|
|
|
|
2019-04-27 14:54:30 +00:00
|
|
|
bearer = e->bearer;
|
|
|
|
ogs_assert(bearer);
|
2017-09-07 13:22:42 +00:00
|
|
|
sess = bearer->sess;
|
2019-04-27 14:54:30 +00:00
|
|
|
ogs_assert(sess);
|
2017-09-07 13:22:42 +00:00
|
|
|
mme_ue = sess->mme_ue;
|
2019-04-27 14:54:30 +00:00
|
|
|
ogs_assert(mme_ue);
|
2017-09-07 13:22:42 +00:00
|
|
|
|
2019-04-27 14:54:30 +00:00
|
|
|
switch (e->id)
|
2017-09-07 13:22:42 +00:00
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
case OGS_FSM_ENTRY_SIG:
|
2017-09-07 13:22:42 +00:00
|
|
|
{
|
|
|
|
break;
|
|
|
|
}
|
2019-04-27 14:54:30 +00:00
|
|
|
case OGS_FSM_EXIT_SIG:
|
2017-09-07 13:22:42 +00:00
|
|
|
{
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case MME_EVT_ESM_MESSAGE:
|
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
nas_message_t *message = e->nas_message;
|
|
|
|
ogs_assert(message);
|
2017-09-07 13:22:42 +00:00
|
|
|
|
|
|
|
switch(message->esm.h.message_type)
|
|
|
|
{
|
2018-01-16 13:14:59 +00:00
|
|
|
case NAS_DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT:
|
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
ogs_debug("[ESM] [D] Deactivate EPS bearer "
|
|
|
|
"context accept");
|
|
|
|
ogs_debug(" IMSI[%s] PTI[%d] EBI[%d]",
|
2018-02-09 14:14:30 +00:00
|
|
|
mme_ue->imsi_bcd, sess->pti, bearer->ebi);
|
2019-04-27 14:54:30 +00:00
|
|
|
OGS_FSM_TRAN(s, esm_state_pdn_did_disconnect);
|
2018-01-16 13:14:59 +00:00
|
|
|
break;
|
|
|
|
}
|
2017-09-05 03:37:27 +00:00
|
|
|
default:
|
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
ogs_error("Unknown message(type:%d)",
|
2018-01-16 13:14:59 +00:00
|
|
|
message->esm.h.message_type);
|
2017-09-05 03:37:27 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2017-03-05 07:49:57 +00:00
|
|
|
default:
|
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
ogs_error("Unknown event %s", mme_event_get_name(e));
|
2017-03-05 07:49:57 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2017-09-05 03:37:27 +00:00
|
|
|
|
2019-04-27 14:54:30 +00:00
|
|
|
void esm_state_pdn_did_disconnect(ogs_fsm_t *s, mme_event_t *e)
|
2018-01-16 13:14:59 +00:00
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
ogs_assert(e);
|
|
|
|
mme_sm_debug(e);
|
2018-01-16 13:14:59 +00:00
|
|
|
|
2019-04-27 14:54:30 +00:00
|
|
|
switch (e->id)
|
2018-01-16 13:14:59 +00:00
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
case OGS_FSM_ENTRY_SIG:
|
2018-01-16 13:14:59 +00:00
|
|
|
{
|
|
|
|
break;
|
|
|
|
}
|
2019-04-27 14:54:30 +00:00
|
|
|
case OGS_FSM_EXIT_SIG:
|
2018-01-16 13:14:59 +00:00
|
|
|
{
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
ogs_error("Unknown event %s", mme_event_get_name(e));
|
2018-01-16 13:14:59 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2019-04-27 14:54:30 +00:00
|
|
|
void esm_state_bearer_deactivated(ogs_fsm_t *s, mme_event_t *e)
|
2017-09-06 15:37:16 +00:00
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
ogs_assert(e);
|
|
|
|
mme_sm_debug(e);
|
2017-09-11 09:41:14 +00:00
|
|
|
|
2019-04-27 14:54:30 +00:00
|
|
|
switch (e->id)
|
2017-09-06 15:37:16 +00:00
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
case OGS_FSM_ENTRY_SIG:
|
2017-09-06 15:37:16 +00:00
|
|
|
{
|
|
|
|
break;
|
|
|
|
}
|
2019-04-27 14:54:30 +00:00
|
|
|
case OGS_FSM_EXIT_SIG:
|
2017-09-06 15:37:16 +00:00
|
|
|
{
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
ogs_error("Unknown event %s", mme_event_get_name(e));
|
2017-09-06 15:37:16 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2019-04-27 14:54:30 +00:00
|
|
|
void esm_state_exception(ogs_fsm_t *s, mme_event_t *e)
|
2017-09-06 15:37:16 +00:00
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
ogs_assert(e);
|
|
|
|
mme_sm_debug(e);
|
2017-09-11 09:41:14 +00:00
|
|
|
|
2019-04-27 14:54:30 +00:00
|
|
|
switch (e->id)
|
2017-09-06 15:37:16 +00:00
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
case OGS_FSM_ENTRY_SIG:
|
2017-09-06 15:37:16 +00:00
|
|
|
{
|
|
|
|
break;
|
|
|
|
}
|
2019-04-27 14:54:30 +00:00
|
|
|
case OGS_FSM_EXIT_SIG:
|
2017-09-06 15:37:16 +00:00
|
|
|
{
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
{
|
2019-04-27 14:54:30 +00:00
|
|
|
ogs_error("Unknown event %s", mme_event_get_name(e));
|
2017-09-06 15:37:16 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|