1 files changed, 57 insertions, 0 deletions
diff --git a/src/registry/registry_person.h b/src/registry/registry_person.h
new file mode 100644
index 000000000..4c2ca710f
--- /dev/null
+++ b/src/registry/registry_person.h
@@ -0,0 +1,57 @@
+// 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