163 lines
4.4 KiB
C
163 lines
4.4 KiB
C
#define TRACE_MODULE _bearer_sm
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#include "core_debug.h"
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#include "nas_message.h"
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#include "mme_event.h"
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#include "esm_handler.h"
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#include "esm_build.h"
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void esm_state_initial(fsm_t *s, event_t *e)
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{
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d_assert(s, return, "Null param");
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mme_sm_trace(1, e);
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FSM_TRAN(s, &esm_state_operational);
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}
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void esm_state_final(fsm_t *s, event_t *e)
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{
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d_assert(s, return, "Null param");
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mme_sm_trace(1, e);
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}
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void esm_state_operational(fsm_t *s, event_t *e)
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{
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d_assert(s, return, "Null param");
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d_assert(e, return, "Null param");
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mme_sm_trace(1, e);
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switch (event_get(e))
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{
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case FSM_ENTRY_SIG:
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{
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break;
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}
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case FSM_EXIT_SIG:
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{
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break;
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}
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case MME_EVT_ESM_BEARER_FROM_S6A:
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case MME_EVT_ESM_BEARER_TO_S11:
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{
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index_t index = event_get_param1(e);
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mme_bearer_t *bearer = NULL;
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mme_ue_t *mme_ue = NULL;
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d_assert(index, return, "Null param");
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bearer = mme_bearer_find(index);
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d_assert(bearer, return, "Null param");
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mme_ue = bearer->mme_ue;
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d_assert(mme_ue, return, "Null param");
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switch(event_get_param2(e))
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{
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case S6A_CMD_UPDATE_LOCATION:
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{
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d_info("[NAS] ESM information request : "
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"UE[%s] <--- ESM[%d]",
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mme_ue->imsi_bcd, bearer->pti);
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esm_handle_s6a_update_location(bearer);
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break;
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}
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case GTP_MODIFY_BEARER_REQUEST_TYPE:
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{
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esm_handle_modify_bearer_request(bearer);
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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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case MME_EVT_ESM_BEARER_MSG:
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{
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index_t index = event_get_param1(e);
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mme_bearer_t *bearer = NULL;
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mme_ue_t *mme_ue = NULL;
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nas_message_t *message = NULL;
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d_assert(index, return, "Null param");
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bearer = mme_bearer_find(index);
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d_assert(bearer, return, "Null param");
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mme_ue = bearer->mme_ue;
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d_assert(mme_ue, return, "Null param");
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message = (nas_message_t *)event_get_param3(e);
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d_assert(message, break, "Null param");
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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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esm_handle_pdn_connectivity_request(
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bearer, &message->esm.pdn_connectivity_request);
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d_info("[NAS] PDN connectivity request : "
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"UE[%s] --> ESM[%d]",
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mme_ue->imsi_bcd, bearer->pti);
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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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/* FIXME : SGW Selection */
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bearer->sgw = mme_sgw_first();
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d_info("[NAS] ESM information response : "
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"UE[%s] --> ESM[%d]",
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mme_ue->imsi_bcd, bearer->pti);
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esm_handle_information_response(
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bearer, &message->esm.esm_information_response);
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break;
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}
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case NAS_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_ACCEPT:
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{
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d_info("[NAS] Activate default eps bearer context accept : "
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"UE[%s] --> ESM[%d]",
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mme_ue->imsi_bcd, bearer->pti);
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break;
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}
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default:
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{
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d_warn("Not implemented(type:%d)",
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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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d_error("Unknown event %s", mme_event_get_name(e));
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break;
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}
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}
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}
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void esm_state_exception(fsm_t *s, event_t *e)
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{
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d_assert(s, return, "Null param");
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d_assert(e, return, "Null param");
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mme_sm_trace(1, e);
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switch (event_get(e))
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{
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case FSM_ENTRY_SIG:
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{
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break;
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}
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case FSM_EXIT_SIG:
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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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d_error("Unknown event %s", mme_event_get_name(e));
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break;
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}
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}
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}
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