New upstream version 1.5.0+dfsgupstream/1.5.0+dfsg

1 files changed, 136 insertions, 0 deletions

diff --git a/src/registry_init.c b/src/registry_init.c
new file mode 100644
index 000000000..fb61acd08
--- /dev/null
+++ b/src/registry_init.c
@@ -0,0 +1,136 @@
+#include "registry_internals.h"
+
+int registry_init(void) {
+    char filename[FILENAME_MAX + 1];
+
+    // registry enabled?
+    registry.enabled = config_get_boolean("registry", "enabled", 0);
+
+    // pathnames
+    registry.pathname = config_get("registry", "registry db directory", VARLIB_DIR "/registry");
+    if(mkdir(registry.pathname, 0770) == -1 && errno != EEXIST)
+        fatal("Cannot create directory '%s'.", registry.pathname);
+
+    // filenames
+    snprintfz(filename, FILENAME_MAX, "%s/netdata.public.unique.id", registry.pathname);
+    registry.machine_guid_filename = config_get("registry", "netdata unique id file", filename);
+    registry_get_this_machine_guid();
+
+    snprintfz(filename, FILENAME_MAX, "%s/registry.db", registry.pathname);
+    registry.db_filename = config_get("registry", "registry db file", filename);
+
+    snprintfz(filename, FILENAME_MAX, "%s/registry-log.db", registry.pathname);
+    registry.log_filename = config_get("registry", "registry log file", filename);
+
+    // configuration options
+    registry.save_registry_every_entries = (unsigned long long)config_get_number("registry", "registry save db every new entries", 1000000);
+    registry.persons_expiration = config_get_number("registry", "registry expire idle persons days", 365) * 86400;
+    registry.registry_domain = config_get("registry", "registry domain", "");
+    registry.registry_to_announce = config_get("registry", "registry to announce", "https://registry.my-netdata.io");
+    registry.hostname = config_get("registry", "registry hostname", config_get("global", "hostname", localhost.hostname));
+    registry.verify_cookies_redirects = config_get_boolean("registry", "verify browser cookies support", 1);
+
+    setenv("NETDATA_REGISTRY_HOSTNAME", registry.hostname, 1);
+    setenv("NETDATA_REGISTRY_URL", registry.registry_to_announce, 1);
+
+    registry.max_url_length = (size_t)config_get_number("registry", "max URL length", 1024);
+    if(registry.max_url_length < 10) {
+        registry.max_url_length = 10;
+        config_set_number("registry", "max URL length", (long long)registry.max_url_length);
+    }
+
+    registry.max_name_length = (size_t)config_get_number("registry", "max URL name length", 50);
+    if(registry.max_name_length < 10) {
+        registry.max_name_length = 10;
+        config_set_number("registry", "max URL name length", (long long)registry.max_name_length);
+    }
+
+    // initialize entries counters
+    registry.persons_count = 0;
+    registry.machines_count = 0;
+    registry.usages_count = 0;
+    registry.urls_count = 0;
+    registry.persons_urls_count = 0;
+    registry.machines_urls_count = 0;
+
+    // initialize memory counters
+    registry.persons_memory = 0;
+    registry.machines_memory = 0;
+    registry.urls_memory = 0;
+    registry.persons_urls_memory = 0;
+    registry.machines_urls_memory = 0;
+
+    // initialize locks
+    pthread_mutex_init(&registry.lock, NULL);
+
+    // create dictionaries
+    registry.persons = dictionary_create(DICTIONARY_FLAGS);
+    registry.machines = dictionary_create(DICTIONARY_FLAGS);
+    avl_init(&registry.registry_urls_root_index, registry_url_compare);
+
+    // load the registry database
+    if(registry.enabled) {
+        registry_log_open();
+        registry_db_load();
+        registry_log_load();
+
+        if(unlikely(registry_db_should_be_saved()))
+            registry_db_save();
+    }
+
+    return 0;
+}
+
+void registry_free(void) {
+    if(!registry.enabled) return;
+
+    // we need to destroy the dictionaries ourselves
+    // since the dictionaries use memory we allocated
+
+    while(registry.persons->values_index.root) {
+        REGISTRY_PERSON *p = ((NAME_VALUE *)registry.persons->values_index.root)->value;
+        registry_person_del(p);
+    }
+
+    while(registry.machines->values_index.root) {
+        REGISTRY_MACHINE *m = ((NAME_VALUE *)registry.machines->values_index.root)->value;
+
+        // fprintf(stderr, "\nMACHINE: '%s', first: %u, last: %u, usages: %u\n", m->guid, m->first_t, m->last_t, m->usages);
+
+        while(m->machine_urls->values_index.root) {
+            REGISTRY_MACHINE_URL *mu = ((NAME_VALUE *)m->machine_urls->values_index.root)->value;
+
+            // 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);
+
+            //debug(D_REGISTRY, "Registry: destroying persons dictionary from url '%s'", mu->url->url);
+            //dictionary_destroy(mu->persons);
+
+            debug(D_REGISTRY, "Registry: deleting url '%s' from person '%s'", mu->url->url, m->guid);
+            dictionary_del(m->machine_urls, mu->url->url);
+
+            debug(D_REGISTRY, "Registry: unlinking url '%s' from machine", mu->url->url);
+            registry_url_unlink(mu->url);
+
+            debug(D_REGISTRY, "Registry: freeing machine url");
+            freez(mu);
+        }
+
+        debug(D_REGISTRY, "Registry: deleting machine '%s' from machines registry", m->guid);
+        dictionary_del(registry.machines, m->guid);
+
+        debug(D_REGISTRY, "Registry: destroying URL dictionary of machine '%s'", m->guid);
+        dictionary_destroy(m->machine_urls);
+
+        debug(D_REGISTRY, "Registry: freeing machine '%s'", m->guid);
+        freez(m);
+    }
+
+    // and free the memory of remaining dictionary structures
+
+    debug(D_REGISTRY, "Registry: destroying persons dictionary");
+    dictionary_destroy(registry.persons);
+
+    debug(D_REGISTRY, "Registry: destroying machines dictionary");
+    dictionary_destroy(registry.machines);
+}
+