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authorDaniel Baumann <daniel.baumann@progress-linux.org>2018-11-07 12:19:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2018-11-07 12:20:17 +0000
commita64a253794ac64cb40befee54db53bde17dd0d49 (patch)
treec1024acc5f6e508814b944d99f112259bb28b1be /src/registry_person.c
parentNew upstream version 1.10.0+dfsg (diff)
downloadnetdata-a64a253794ac64cb40befee54db53bde17dd0d49.tar.xz
netdata-a64a253794ac64cb40befee54db53bde17dd0d49.zip
New upstream version 1.11.0+dfsgupstream/1.11.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/registry_person.c')
-rw-r--r--src/registry_person.c264
1 files changed, 0 insertions, 264 deletions
diff --git a/src/registry_person.c b/src/registry_person.c
deleted file mode 100644
index d8b6cd98a..000000000
--- a/src/registry_person.c
+++ /dev/null
@@ -1,264 +0,0 @@
-#include "registry_internals.h"
-
-// ----------------------------------------------------------------------------
-// PERSON_URL INDEX
-
-int person_url_compare(void *a, void *b) {
- register uint32_t hash1 = ((REGISTRY_PERSON_URL *)a)->url->hash;
- register uint32_t hash2 = ((REGISTRY_PERSON_URL *)b)->url->hash;
-
- if(hash1 < hash2) return -1;
- else if(hash1 > hash2) return 1;
- else return strcmp(((REGISTRY_PERSON_URL *)a)->url->url, ((REGISTRY_PERSON_URL *)b)->url->url);
-}
-
-inline REGISTRY_PERSON_URL *registry_person_url_index_find(REGISTRY_PERSON *p, const char *url) {
- debug(D_REGISTRY, "Registry: registry_person_url_index_find('%s', '%s')", p->guid, url);
-
- char buf[sizeof(REGISTRY_URL) + strlen(url)];
-
- REGISTRY_URL *u = (REGISTRY_URL *)&buf;
- strcpy(u->url, url);
- u->hash = simple_hash(u->url);
-
- REGISTRY_PERSON_URL tpu = { .url = u };
-
- REGISTRY_PERSON_URL *pu = (REGISTRY_PERSON_URL *)avl_search(&p->person_urls, (void *)&tpu);
- return pu;
-}
-
-inline REGISTRY_PERSON_URL *registry_person_url_index_add(REGISTRY_PERSON *p, REGISTRY_PERSON_URL *pu) {
- debug(D_REGISTRY, "Registry: registry_person_url_index_add('%s', '%s')", p->guid, pu->url->url);
- REGISTRY_PERSON_URL *tpu = (REGISTRY_PERSON_URL *)avl_insert(&(p->person_urls), (avl *)(pu));
- if(tpu != pu)
- error("Registry: registry_person_url_index_add('%s', '%s') already exists as '%s'", p->guid, pu->url->url, tpu->url->url);
-
- return tpu;
-}
-
-inline REGISTRY_PERSON_URL *registry_person_url_index_del(REGISTRY_PERSON *p, REGISTRY_PERSON_URL *pu) {
- debug(D_REGISTRY, "Registry: registry_person_url_index_del('%s', '%s')", p->guid, pu->url->url);
- REGISTRY_PERSON_URL *tpu = (REGISTRY_PERSON_URL *)avl_remove(&(p->person_urls), (avl *)(pu));
- if(!tpu)
- error("Registry: registry_person_url_index_del('%s', '%s') deleted nothing", p->guid, pu->url->url);
- else if(tpu != pu)
- error("Registry: registry_person_url_index_del('%s', '%s') deleted wrong URL '%s'", p->guid, pu->url->url, tpu->url->url);
-
- return tpu;
-}
-
-// ----------------------------------------------------------------------------
-// PERSON_URL
-
-REGISTRY_PERSON_URL *registry_person_url_allocate(REGISTRY_PERSON *p, REGISTRY_MACHINE *m, REGISTRY_URL *u, char *name, size_t namelen, time_t when) {
- debug(D_REGISTRY, "registry_person_url_allocate('%s', '%s', '%s'): allocating %zu bytes", p->guid, m->guid, u->url, sizeof(REGISTRY_PERSON_URL) + namelen);
-
- // protection from too big names
- if(namelen > registry.max_name_length)
- namelen = registry.max_name_length;
-
- REGISTRY_PERSON_URL *pu = mallocz(sizeof(REGISTRY_PERSON_URL) + namelen);
-
- // a simple strcpy() should do the job
- // but I prefer to be safe, since the caller specified urllen
- strncpyz(pu->machine_name, name, namelen);
-
- pu->machine = m;
- pu->first_t = pu->last_t = (uint32_t)when;
- pu->usages = 1;
- pu->url = u;
- pu->flags = REGISTRY_URL_FLAGS_DEFAULT;
- m->links++;
-
- registry.persons_urls_memory += sizeof(REGISTRY_PERSON_URL) + namelen;
-
- debug(D_REGISTRY, "registry_person_url_allocate('%s', '%s', '%s'): indexing URL in person", p->guid, m->guid, u->url);
- REGISTRY_PERSON_URL *tpu = registry_person_url_index_add(p, pu);
- if(tpu != pu) {
- error("Registry: Attempted to add duplicate person url '%s' with name '%s' to person '%s'", u->url, name, p->guid);
- free(pu);
- pu = tpu;
- }
- else
- registry_url_link(u);
-
- return pu;
-}
-
-void registry_person_url_free(REGISTRY_PERSON *p, REGISTRY_PERSON_URL *pu) {
- debug(D_REGISTRY, "registry_person_url_free('%s', '%s')", p->guid, pu->url->url);
-
- REGISTRY_PERSON_URL *tpu = registry_person_url_index_del(p, pu);
- if(tpu) {
- registry_url_unlink(tpu->url);
- tpu->machine->links--;
- registry.persons_urls_memory -= sizeof(REGISTRY_PERSON_URL) + strlen(tpu->machine_name);
- freez(tpu);
- }
-}
-
-// this function is needed to change the name of a PERSON_URL
-REGISTRY_PERSON_URL *registry_person_url_reallocate(REGISTRY_PERSON *p, REGISTRY_MACHINE *m, REGISTRY_URL *u, char *name, size_t namelen, time_t when, REGISTRY_PERSON_URL *pu) {
- debug(D_REGISTRY, "registry_person_url_reallocate('%s', '%s', '%s'): allocating %zu bytes", p->guid, m->guid, u->url, sizeof(REGISTRY_PERSON_URL) + namelen);
-
- // keep a backup
- REGISTRY_PERSON_URL pu2 = {
- .first_t = pu->first_t,
- .last_t = pu->last_t,
- .usages = pu->usages,
- .flags = pu->flags,
- .machine = pu->machine,
- .machine_name = ""
- };
-
- // remove the existing one from the index
- registry_person_url_free(p, pu);
- pu = &pu2;
-
- // allocate a new one
- REGISTRY_PERSON_URL *tpu = registry_person_url_allocate(p, m, u, name, namelen, when);
- tpu->first_t = pu->first_t;
- tpu->last_t = pu->last_t;
- tpu->usages = pu->usages;
- tpu->flags = pu->flags;
-
- return tpu;
-}
-
-
-// ----------------------------------------------------------------------------
-// PERSON
-
-REGISTRY_PERSON *registry_person_find(const char *person_guid) {
- debug(D_REGISTRY, "Registry: registry_person_find('%s')", person_guid);
- return dictionary_get(registry.persons, person_guid);
-}
-
-REGISTRY_PERSON *registry_person_allocate(const char *person_guid, time_t when) {
- debug(D_REGISTRY, "Registry: registry_person_allocate('%s'): allocating new person, sizeof(PERSON)=%zu", (person_guid)?person_guid:"", sizeof(REGISTRY_PERSON));
-
- REGISTRY_PERSON *p = mallocz(sizeof(REGISTRY_PERSON));
- if(!person_guid) {
- for(;;) {
- uuid_t uuid;
- uuid_generate(uuid);
- uuid_unparse_lower(uuid, p->guid);
-
- debug(D_REGISTRY, "Registry: Checking if the generated person guid '%s' is unique", p->guid);
- if (!dictionary_get(registry.persons, p->guid)) {
- debug(D_REGISTRY, "Registry: generated person guid '%s' is unique", p->guid);
- break;
- }
- else
- info("Registry: generated person guid '%s' found in the registry. Retrying...", p->guid);
- }
- }
- else
- strncpyz(p->guid, person_guid, GUID_LEN);
-
- debug(D_REGISTRY, "Registry: registry_person_allocate('%s'): creating dictionary of urls", p->guid);
- avl_init(&p->person_urls, person_url_compare);
-
- p->first_t = p->last_t = (uint32_t)when;
- p->usages = 0;
-
- registry.persons_memory += sizeof(REGISTRY_PERSON);
-
- registry.persons_count++;
- dictionary_set(registry.persons, p->guid, p, sizeof(REGISTRY_PERSON));
-
- return p;
-}
-
-
-// 1. validate person GUID
-// 2. if it is valid, find it
-// 3. if it is not valid, create a new one
-// 4. return it
-REGISTRY_PERSON *registry_person_get(const char *person_guid, time_t when) {
- debug(D_REGISTRY, "Registry: registry_person_get('%s'): creating dictionary of urls", person_guid);
-
- REGISTRY_PERSON *p = NULL;
-
- if(person_guid && *person_guid) {
- char buf[GUID_LEN + 1];
- // validate it is a GUID
- if(unlikely(regenerate_guid(person_guid, buf) == -1))
- info("Registry: person guid '%s' is not a valid guid. Ignoring it.", person_guid);
- else {
- person_guid = buf;
- p = registry_person_find(person_guid);
- }
- }
-
- if(!p) p = registry_person_allocate(NULL, when);
-
- return p;
-}
-
-void registry_person_del(REGISTRY_PERSON *p) {
- debug(D_REGISTRY, "Registry: registry_person_del('%s'): creating dictionary of urls", p->guid);
-
- while(p->person_urls.root)
- registry_person_unlink_from_url(p, (REGISTRY_PERSON_URL *)p->person_urls.root);
-
- debug(D_REGISTRY, "Registry: deleting person '%s' from persons registry", p->guid);
- dictionary_del(registry.persons, p->guid);
-
- debug(D_REGISTRY, "Registry: freeing person '%s'", p->guid);
- freez(p);
-}
-
-// ----------------------------------------------------------------------------
-// LINKING OF OBJECTS
-
-REGISTRY_PERSON_URL *registry_person_link_to_url(REGISTRY_PERSON *p, REGISTRY_MACHINE *m, REGISTRY_URL *u, char *name, size_t namelen, time_t when) {
- debug(D_REGISTRY, "registry_person_link_to_url('%s', '%s', '%s'): searching for URL in person", p->guid, m->guid, u->url);
-
- REGISTRY_PERSON_URL *pu = registry_person_url_index_find(p, u->url);
- if(!pu) {
- debug(D_REGISTRY, "registry_person_link_to_url('%s', '%s', '%s'): not found", p->guid, m->guid, u->url);
- pu = registry_person_url_allocate(p, m, u, name, namelen, when);
- registry.persons_urls_count++;
- }
- else {
- debug(D_REGISTRY, "registry_person_link_to_url('%s', '%s', '%s'): found", p->guid, m->guid, u->url);
- pu->usages++;
- if(likely(pu->last_t < (uint32_t)when)) pu->last_t = (uint32_t)when;
-
- if(pu->machine != m) {
- REGISTRY_MACHINE_URL *mu = dictionary_get(pu->machine->machine_urls, u->url);
- if(mu) {
- debug(D_REGISTRY, "registry_person_link_to_url('%s', '%s', '%s'): URL switched machines (old was '%s') - expiring it from previous machine.",
- p->guid, m->guid, u->url, pu->machine->guid);
- mu->flags |= REGISTRY_URL_FLAGS_EXPIRED;
- }
- else {
- debug(D_REGISTRY, "registry_person_link_to_url('%s', '%s', '%s'): URL switched machines (old was '%s') - but the URL is not linked to the old machine.",
- p->guid, m->guid, u->url, pu->machine->guid);
- }
-
- pu->machine->links--;
- pu->machine = m;
- }
-
- if(strcmp(pu->machine_name, name) != 0) {
- // the name of the PERSON_URL has changed !
- pu = registry_person_url_reallocate(p, m, u, name, namelen, when, pu);
- }
- }
-
- p->usages++;
- if(likely(p->last_t < (uint32_t)when)) p->last_t = (uint32_t)when;
-
- if(pu->flags & REGISTRY_URL_FLAGS_EXPIRED) {
- debug(D_REGISTRY, "registry_person_link_to_url('%s', '%s', '%s'): accessing an expired URL. Re-enabling URL.", p->guid, m->guid, u->url);
- pu->flags &= ~REGISTRY_URL_FLAGS_EXPIRED;
- }
-
- return pu;
-}
-
-void registry_person_unlink_from_url(REGISTRY_PERSON *p, REGISTRY_PERSON_URL *pu) {
- registry_person_url_free(p, pu);
-}