79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
//
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// Copyright (c) 2018 Wind River Systems, Inc.
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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#ifndef __SM_FAILOVER_FSM_H__
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#define __SM_FAILOVER_FSM_H__
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#include "sm_types.h"
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typedef int SmFSMEventDataTypeT;
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class ISmFSMEventData
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{
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public:
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virtual SmFSMEventDataTypeT get_event_data_type() const = 0;
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};
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class SmFailoverFSM;
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class SmFSMState
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{
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public:
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SmFSMState(SmFailoverFSM& fsm) : fsm(fsm) {};
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virtual ~SmFSMState(){};
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virtual SmErrorT enter_state();
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virtual SmErrorT exit_state();
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protected:
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SmFailoverFSM& fsm;
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virtual SmErrorT event_handler(SmFailoverEventT event, const ISmFSMEventData* event_data)=0;
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friend SmFailoverFSM;
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};
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class SmFailoverFSM
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{
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public:
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SmFailoverFSM();
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virtual ~SmFailoverFSM();
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SmErrorT send_event(SmFailoverEventT event, const ISmFSMEventData* event_data);
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SmErrorT register_fsm_state(SmFailoverStateT state, SmFSMState* state_handler);
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SmErrorT set_state(SmFailoverStateT state);
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inline SmFailoverStateT get_state() const {return this->_current_state;}
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static SmErrorT initialize();
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static SmErrorT finalize();
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inline static SmFailoverFSM& get_fsm() {
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return _the_fsm;
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}
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private:
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static const int MaxState = SM_FAILOVER_STATE_MAX;
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SmFSMState* _state_handlers[MaxState];
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SmFailoverStateT _current_state;
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static SmFailoverFSM _the_fsm;
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SmErrorT init_state();
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void deregister_states();
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};
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class SmIFStateChangedEventData: public ISmFSMEventData
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{
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public:
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static const SmFSMEventDataTypeT SmIFStateChangedEventDataType = 2;
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SmFSMEventDataTypeT get_event_data_type() const;
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SmIFStateChangedEventData();
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void set_interface_state(
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SmInterfaceTypeT interface_type, SmFailoverInterfaceStateT interface_state);
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SmFailoverInterfaceStateT get_interface_state(SmInterfaceTypeT interface_type) const;
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private:
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SmFailoverInterfaceStateT _mgmt_state;
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SmFailoverInterfaceStateT _cluster_host_state;
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SmFailoverInterfaceStateT _oam_state;
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};
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#endif //__SM_FAILOVER_FSM_H__
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