rte_election.h

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#ifndef RTE_ELECTION_H
#define RTE_ELECTION_H
 
#include <stdbool.h>
#include <stdint.h>
 
#include "rte/redundancy/config/rte_redundancy_config.h"
#include "rte/redundancy/dual/rte_dual_types.h"
#include "rte/utils/status/rte_status.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct
{
    uint32_t id;
    uint64_t startup_timestamp_ms;
    bool degraded;
} rte_election_candidate_t;

typedef struct rte_election_s
{
    uint32_t own_id;
    rte_dual_state_t own_last_state;
 
    uint32_t winner_id;
    bool     have_winner;
} rte_election_t;

typedef struct
{
    uint32_t own_id;
} rte_election_config_t;

rte_status_t rte_election_init(rte_election_t *election, const rte_election_config_t *config);

rte_status_t rte_election_execute(rte_election_t *election, const rte_election_candidate_t *candidates,
                                    uint32_t candidate_count);

rte_dual_state_t rte_election_get_own_state(const rte_election_t *election);

rte_status_t rte_election_get_winner_id(const rte_election_t *election, uint32_t *out_id);
 
#ifdef __cplusplus
}
#endif
 
#endif /* RTE_ELECTION_H */