87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
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/**
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* @file unicast_fsm.c
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* @brief Unicast client state machine
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* @note Copyright (C) 2018 Richard Cochran <richardcochran@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA.
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*/
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#include "unicast_fsm.h"
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enum unicast_state unicast_fsm(enum unicast_state state, enum unicast_event ev)
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{
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enum unicast_state next = state;
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switch (state) {
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case UC_WAIT:
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switch (ev) {
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case UC_EV_GRANT_ANN:
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next = UC_HAVE_ANN;
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break;
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case UC_EV_SELECTED:
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case UC_EV_GRANT_SYDY:
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case UC_EV_UNSELECTED:
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case UC_EV_CANCEL:
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break;
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}
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break;
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case UC_HAVE_ANN:
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switch (ev) {
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case UC_EV_GRANT_ANN:
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break;
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case UC_EV_SELECTED:
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next = UC_NEED_SYDY;
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break;
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case UC_EV_GRANT_SYDY:
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case UC_EV_UNSELECTED:
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break;
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case UC_EV_CANCEL:
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next = UC_WAIT;
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break;
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}
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break;
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case UC_NEED_SYDY:
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switch (ev) {
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case UC_EV_GRANT_ANN:
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case UC_EV_SELECTED:
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break;
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case UC_EV_GRANT_SYDY:
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next = UC_HAVE_SYDY;
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break;
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case UC_EV_UNSELECTED:
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next = UC_HAVE_ANN;
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break;
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case UC_EV_CANCEL:
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next = UC_WAIT;
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break;
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}
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break;
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case UC_HAVE_SYDY:
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switch (ev) {
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case UC_EV_GRANT_ANN:
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case UC_EV_SELECTED:
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case UC_EV_GRANT_SYDY:
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break;
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case UC_EV_UNSELECTED:
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next = UC_HAVE_ANN;
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break;
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case UC_EV_CANCEL:
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next = UC_WAIT;
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break;
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}
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break;
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}
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return next;
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}
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