88 lines
2.7 KiB
C++
88 lines
2.7 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_SS_H__
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#define __SM_FAILOVER_SS_H__
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#include <stdio.h>
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#include "sm_types.h"
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typedef struct
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{
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const char* node_name;
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unsigned int interface_state;
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unsigned int heartbeat_state;
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SmFailoverInterfaceStateT mgmt_state;
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SmFailoverInterfaceStateT infra_state;
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SmFailoverInterfaceStateT oam_state;
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SmNodeScheduleStateT current_schedule_state;
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}SmNodeStatusT;
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typedef enum
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{
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//heartbeat ok
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SM_HEARTBEAT_OK,
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//single node situation
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SM_HEARTBEAT_NA,
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//other nodes report heartbeat with peer, no direct heartbeat
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SM_HEARTBEAT_INDIRECT,
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//no heartbeat
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SM_HEARTBEAT_LOSS
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}SmHeartbeatStatusT;
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typedef struct
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{
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SmNodeStatusT host_status;
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SmNodeStatusT peer_status;
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SmHeartbeatStatusT heartbeat_state;
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SmSystemModeT system_mode;
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}SmSystemStatusT;
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class SmSystemFailoverStatus
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{
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public:
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virtual ~SmSystemFailoverStatus();
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inline SmNodeScheduleStateT get_host_schedule_state() const {
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return _host_schedule_state;
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}
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inline SmNodeScheduleStateT get_host_pre_failure_schedule_state() const {
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return _host_pre_failure_schedule_state;
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}
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void set_host_schedule_state(SmNodeScheduleStateT state);
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void set_host_pre_failure_schedule_state(SmNodeScheduleStateT state);
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inline SmNodeScheduleStateT get_peer_schedule_state() const {
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return _peer_schedule_state;
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}
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inline SmNodeScheduleStateT get_peer_pre_failure_schedule_state() const {
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return _peer_pre_failure_schedule_state;
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}
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void set_peer_schedule_state(SmNodeScheduleStateT state);
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void set_peer_pre_failure_schedule_state(SmNodeScheduleStateT state);
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void serialize();
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void deserialize();
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static SmSystemFailoverStatus& get_status();
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private:
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SmSystemFailoverStatus();
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SmNodeScheduleStateT _host_pre_failure_schedule_state;
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SmNodeScheduleStateT _peer_pre_failure_schedule_state;
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SmNodeScheduleStateT _host_schedule_state;
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SmNodeScheduleStateT _peer_schedule_state;
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static const char filename[];
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static const char file_format[];
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bool _is_valid_schedule_state(SmNodeScheduleStateT state);
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static SmSystemFailoverStatus _failover_status;
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};
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// ****************************************************************************
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// sm_failover_ss_get_survivor - select the failover survivor
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// ===================
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SmErrorT sm_failover_ss_get_survivor(SmSystemFailoverStatus& selection);
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SmErrorT sm_failover_ss_get_survivor(const SmSystemStatusT& system_status, SmSystemFailoverStatus& selection);
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#endif // __SM_FAILOVER_SS_H__
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