/* * Copyright (c) 2022 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef SEC_UTILS_FINITE_STATE_MACHINE_H #define SEC_UTILS_FINITE_STATE_MACHINE_H #include #include #include "utils_dslm_list.h" #include "utils_mutex.h" #ifdef __cplusplus extern "C" { #endif typedef struct StateMachine StateMachine; typedef bool (*StateMachineProcessFunc)(const StateMachine *machine, uint32_t event, const void *para); typedef struct { uint32_t state; uint32_t event; StateMachineProcessFunc process; uint32_t nextStateT; uint32_t nextStateF; } StateNode; typedef struct StateMachine { uint32_t currState; uint32_t machineId; bool isScheduling; ListHead pendingEventList; Mutex mutex; } StateMachine; void InitStateMachine(StateMachine *machine, uint32_t machineId, uint32_t initState); void ScheduleMachine(const StateNode *nodes, uint32_t nodeCnt, StateMachine *machine, uint32_t event, const void *para); #define STATE_MACHINE_ENTRY(item, type, member) ((type *)((char *)(item) - (char *)(&((type *)0)->member))) #ifdef __cplusplus } #endif #endif // SEC_UTILS_FINITE_STATE_MACHINE_H