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// SPDX-License-Identifier: GPL-3.0-or-later

#ifndef NETDATA_REGISTRY_PERSON_H
#define NETDATA_REGISTRY_PERSON_H 1

#include "registry_internals.h"

// ----------------------------------------------------------------------------
// PERSON structures

// for each PERSON-URL pair we keep this
struct registry_person_url {
    uint8_t flags;

    uint32_t usages;            // how many times this has been accessed

    uint32_t first_t;           // the first time we saw this
    uint32_t last_t;            // the last time we saw this

    REGISTRY_MACHINE *machine;  // link the MACHINE of this URL
    STRING *machine_name;       // the hostname of the machine
    STRING *url;                // de-duplicated URL

    struct registry_person_url *prev, *next;
};
typedef struct registry_person_url REGISTRY_PERSON_URL;

// A person
struct registry_person {
    char guid[GUID_LEN + 1];    // the person GUID

    REGISTRY_PERSON_URL *person_urls;  // dictionary of PERSON_URLs

    uint32_t first_t;           // the first time we saw this
    uint32_t last_t;            // the last time we saw this
    uint32_t usages;            // how many times this has been accessed
};
typedef struct registry_person REGISTRY_PERSON;

// PERSON_URL
REGISTRY_PERSON_URL *registry_person_url_index_find(REGISTRY_PERSON *p, STRING *url);
REGISTRY_PERSON_URL *registry_person_url_index_add(REGISTRY_PERSON *p, REGISTRY_PERSON_URL *pu) NEVERNULL WARNUNUSED;
REGISTRY_PERSON_URL *registry_person_url_index_del(REGISTRY_PERSON *p, REGISTRY_PERSON_URL *pu) WARNUNUSED;

REGISTRY_PERSON_URL *registry_person_url_allocate(REGISTRY_PERSON *p, REGISTRY_MACHINE *m, STRING *url, char *machine_name, size_t machine_name_len, time_t when);
REGISTRY_PERSON_URL *registry_person_url_reallocate(REGISTRY_PERSON *p, REGISTRY_MACHINE *m, STRING *url, char *machine_name, size_t machine_name_len, time_t when, REGISTRY_PERSON_URL *pu);

// PERSON
REGISTRY_PERSON *registry_person_find(const char *person_guid);
REGISTRY_PERSON *registry_person_allocate(const char *person_guid, time_t when);
REGISTRY_PERSON *registry_person_find_or_create(const char *person_guid, time_t when, bool is_dummy);

// LINKING PERSON -> PERSON_URL
REGISTRY_PERSON_URL *registry_person_link_to_url(REGISTRY_PERSON *p, REGISTRY_MACHINE *m, STRING *url, char *machine_name, size_t machine_name_len, time_t when);
void registry_person_unlink_from_url(REGISTRY_PERSON *p, REGISTRY_PERSON_URL *pu);

#endif //NETDATA_REGISTRY_PERSON_H