65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
#ifndef FINITESTATEMACHINE
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#define FINITESTATEMACHINE
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#include <stdlib.h>
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#include <stdbool.h>
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#include <sics.h>
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#include <asyncqueue.h>
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typedef struct statemachine_s StateMachine, *pStateMachine;
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typedef struct EvtEvent_s EvtEvent, *pEvtEvent;
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typedef void (*StateFunc)(pStateMachine self, pEvtEvent event);
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enum eventtype {
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eStateEvent,
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eTimerEvent,
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eMessageEvent,
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eCommandEvent,
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eTimeoutEvent
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};
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typedef struct EvtState_s { } EvtState;
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typedef struct EvtTimer_s { } EvtTimer;
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typedef struct EvtMessage_s {
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pAsyncTxn cmd;
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} EvtMessage;
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typedef struct EvtCommand_s {
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const void* cmd_text;
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} EvtCommand;
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typedef struct EvtTimeout_s { } EvtTimeout;
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struct EvtEvent_s {
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enum eventtype event_type;
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union {
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EvtState sta;
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EvtTimer tmr;
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EvtMessage msg;
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EvtCommand cmd;
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EvtTimeout tmo;
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} event;
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};
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struct statemachine_s {
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void* context;
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char* name;
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bool debug;
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StateFunc myState;
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int mySubState;
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StateFunc myPrevState;
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const char* (*state_name)(StateFunc func);
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const char* (*event_name)(pEvtEvent event, char* text, int length);
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};
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char* fsm_textify(const char* pInp, int inp_len, char* pOut, int out_len);
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int fsm_msg_callback(pAsyncTxn pCmd);
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int fsm_tmr_callback(void* ctx, int mode);
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int fsm_cmd_execute(pStateMachine self, const void* cmd);
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void fsm_change_state(pStateMachine self, StateFunc func);
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void fsm_unhandled_event(pStateMachine self, pEvtEvent event);
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#endif /* FINITESTATEMACHINE */
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