forked from acouzens/open5gs
116 lines
2.4 KiB
C
116 lines
2.4 KiB
C
#define TRACE_MODULE _esm_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 "nas_security.h"
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#include "esm_handler.h"
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void esm_state_initial(esm_sm_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(esm_sm_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(esm_sm_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_esm_t *esm = s->ctx;
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mme_ue_t *ue = NULL;
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d_assert(esm, return, "Null param");
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ue = esm->ue;
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d_assert(ue, 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 EVT_MSG_MME_ESM:
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{
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nas_message_t message;
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status_t rv;
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pkbuf_t *recvbuf = (pkbuf_t *)event_get_param2(e);
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d_assert(recvbuf, break, "Null param");
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rv = nas_security_decode(&message, ue, recvbuf);
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if (rv != CORE_OK)
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{
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d_error("Can't parse NAS_PDU");
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break;
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}
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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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esm, &message.esm.pdn_connectivity_request);
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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)", message.emm.h.message_type);
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break;
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}
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}
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pkbuf_free(recvbuf);
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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(esm_sm_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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