forked from acouzens/open5gs
102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
#define TRACE_MODULE _pgw_sm
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#include "core_debug.h"
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#include "pgw_sm.h"
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#include "pgw_context.h"
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#include "pgw_event.h"
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#include "pgw_path.h"
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#include "pgw_handler.h"
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void pgw_state_initial(fsm_t *s, event_t *e)
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{
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pgw_sm_trace(1, e);
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d_assert(s, return, "Null param");
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FSM_TRAN(s, &pgw_state_operational);
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}
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void pgw_state_final(fsm_t *s, event_t *e)
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{
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pgw_sm_trace(1, e);
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d_assert(s, return, "Null param");
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}
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void pgw_state_operational(fsm_t *s, event_t *e)
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{
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status_t rv;
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pgw_sm_trace(1, e);
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d_assert(s, return, "Null param");
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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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rv = pgw_path_open();
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if (rv != CORE_OK)
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{
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d_error("Can't establish S11 path");
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break;
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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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rv = pgw_path_close();
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if (rv != CORE_OK)
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{
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d_error("Can't close S11 path");
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break;
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}
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break;
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}
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case EVT_MSG_PGW_S5C:
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{
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status_t rv;
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net_sock_t *sock = (net_sock_t *)event_get_param1(e);
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gtp_node_t *gnode = (gtp_node_t *)event_get_param2(e);
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pkbuf_t *pkbuf = (pkbuf_t *)event_get_param3(e);
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gtp_xact_t *xact = NULL;
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c_uint8_t type;
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c_uint32_t teid;
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gtp_message_t gtp_message;
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d_assert(pkbuf, break, "Null param");
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d_assert(sock, pkbuf_free(pkbuf); break, "Null param");
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d_assert(gnode, pkbuf_free(pkbuf); break, "Null param");
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rv = gtp_xact_receive(
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&pgw_self()->gtp_xact_ctx, sock, gnode,
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&xact, &type, &teid, >p_message, pkbuf);
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if (rv != CORE_OK)
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break;
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switch(type)
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{
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case GTP_CREATE_SESSION_REQUEST_TYPE:
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pgw_handle_create_session_request(
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xact, >p_message.create_session_request);
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break;
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default:
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d_warn("Not implmeneted(type:%d)", type);
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break;
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}
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pkbuf_free(pkbuf);
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break;
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}
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case EVT_TM_PGW_T3:
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{
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gtp_xact_timeout(event_get_param1(e));
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break;
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}
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default:
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{
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d_error("No handler for event %s", pgw_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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