1 #include "registry_internals.h"
3 int registry_init(void) {
4 char filename[FILENAME_MAX + 1];
7 registry.enabled = config_get_boolean("registry", "enabled", 0);
10 registry.pathname = config_get("registry", "registry db directory", VARLIB_DIR "/registry");
11 if(mkdir(registry.pathname, 0770) == -1 && errno != EEXIST)
12 fatal("Cannot create directory '%s'.", registry.pathname);
15 snprintfz(filename, FILENAME_MAX, "%s/netdata.public.unique.id", registry.pathname);
16 registry.machine_guid_filename = config_get("registry", "netdata unique id file", filename);
17 registry_get_this_machine_guid();
19 snprintfz(filename, FILENAME_MAX, "%s/registry.db", registry.pathname);
20 registry.db_filename = config_get("registry", "registry db file", filename);
22 snprintfz(filename, FILENAME_MAX, "%s/registry-log.db", registry.pathname);
23 registry.log_filename = config_get("registry", "registry log file", filename);
25 // configuration options
26 registry.save_registry_every_entries = (unsigned long long)config_get_number("registry", "registry save db every new entries", 1000000);
27 registry.persons_expiration = config_get_number("registry", "registry expire idle persons days", 365) * 86400;
28 registry.registry_domain = config_get("registry", "registry domain", "");
29 registry.registry_to_announce = config_get("registry", "registry to announce", "https://registry.my-netdata.io");
30 registry.hostname = config_get("registry", "registry hostname", config_get("global", "hostname", localhost.hostname));
31 registry.verify_cookies_redirects = config_get_boolean("registry", "verify browser cookies support", 1);
33 setenv("NETDATA_REGISTRY_HOSTNAME", registry.hostname, 1);
34 setenv("NETDATA_REGISTRY_URL", registry.registry_to_announce, 1);
36 registry.max_url_length = (size_t)config_get_number("registry", "max URL length", 1024);
37 if(registry.max_url_length < 10) {
38 registry.max_url_length = 10;
39 config_set_number("registry", "max URL length", (long long)registry.max_url_length);
42 registry.max_name_length = (size_t)config_get_number("registry", "max URL name length", 50);
43 if(registry.max_name_length < 10) {
44 registry.max_name_length = 10;
45 config_set_number("registry", "max URL name length", (long long)registry.max_name_length);
48 // initialize entries counters
49 registry.persons_count = 0;
50 registry.machines_count = 0;
51 registry.usages_count = 0;
52 registry.urls_count = 0;
53 registry.persons_urls_count = 0;
54 registry.machines_urls_count = 0;
56 // initialize memory counters
57 registry.persons_memory = 0;
58 registry.machines_memory = 0;
59 registry.urls_memory = 0;
60 registry.persons_urls_memory = 0;
61 registry.machines_urls_memory = 0;
64 pthread_mutex_init(®istry.lock, NULL);
66 // create dictionaries
67 registry.persons = dictionary_create(DICTIONARY_FLAGS);
68 registry.machines = dictionary_create(DICTIONARY_FLAGS);
69 avl_init(®istry.registry_urls_root_index, registry_url_compare);
71 // load the registry database
72 if(registry.enabled) {
77 if(unlikely(registry_db_should_be_saved()))
84 void registry_free(void) {
85 if(!registry.enabled) return;
87 // we need to destroy the dictionaries ourselves
88 // since the dictionaries use memory we allocated
90 while(registry.persons->values_index.root) {
91 REGISTRY_PERSON *p = ((NAME_VALUE *)registry.persons->values_index.root)->value;
92 registry_person_del(p);
95 while(registry.machines->values_index.root) {
96 REGISTRY_MACHINE *m = ((NAME_VALUE *)registry.machines->values_index.root)->value;
98 // fprintf(stderr, "\nMACHINE: '%s', first: %u, last: %u, usages: %u\n", m->guid, m->first_t, m->last_t, m->usages);
100 while(m->machine_urls->values_index.root) {
101 REGISTRY_MACHINE_URL *mu = ((NAME_VALUE *)m->machine_urls->values_index.root)->value;
103 // fprintf(stderr, "\tURL: '%s', first: %u, last: %u, usages: %u, flags: 0x%02x\n", mu->url->url, mu->first_t, mu->last_t, mu->usages, mu->flags);
105 //debug(D_REGISTRY, "Registry: destroying persons dictionary from url '%s'", mu->url->url);
106 //dictionary_destroy(mu->persons);
108 debug(D_REGISTRY, "Registry: deleting url '%s' from person '%s'", mu->url->url, m->guid);
109 dictionary_del(m->machine_urls, mu->url->url);
111 debug(D_REGISTRY, "Registry: unlinking url '%s' from machine", mu->url->url);
112 registry_url_unlink(mu->url);
114 debug(D_REGISTRY, "Registry: freeing machine url");
118 debug(D_REGISTRY, "Registry: deleting machine '%s' from machines registry", m->guid);
119 dictionary_del(registry.machines, m->guid);
121 debug(D_REGISTRY, "Registry: destroying URL dictionary of machine '%s'", m->guid);
122 dictionary_destroy(m->machine_urls);
124 debug(D_REGISTRY, "Registry: freeing machine '%s'", m->guid);
128 // and free the memory of remaining dictionary structures
130 debug(D_REGISTRY, "Registry: destroying persons dictionary");
131 dictionary_destroy(registry.persons);
133 debug(D_REGISTRY, "Registry: destroying machines dictionary");
134 dictionary_destroy(registry.machines);