topology.h

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#include <ascii-chat/crypto/sizes.h>
#include <ascii-chat/common.h>
 
#pragma once
 
#include "metrics.h"
#include <ascii-chat/asciichat_errno.h>
#include <stdbool.h>
#include <stddef.h>

typedef struct consensus_topology consensus_topology_t;

asciichat_error_t consensus_topology_create(const uint8_t participant_ids[MAX_SESSION_PARTICIPANTS][SESSION_ID_SIZE],
                                            int num_participants, const uint8_t my_id[SESSION_ID_SIZE],
                                            consensus_topology_t **out_topology);

void consensus_topology_destroy(consensus_topology_t *topology);

int consensus_topology_get_position(const consensus_topology_t *topology);

bool consensus_topology_am_leader(const consensus_topology_t *topology);

asciichat_error_t consensus_topology_get_next(const consensus_topology_t *topology, uint8_t out_id[SESSION_ID_SIZE]);

asciichat_error_t consensus_topology_get_prev(const consensus_topology_t *topology, uint8_t out_id[SESSION_ID_SIZE]);

asciichat_error_t consensus_topology_get_leader(const consensus_topology_t *topology, uint8_t out_id[SESSION_ID_SIZE]);

asciichat_error_t consensus_topology_get_all(const consensus_topology_t *topology,
                                             uint8_t out_ids[MAX_SESSION_PARTICIPANTS][SESSION_ID_SIZE],
                                             int *out_count);