diff options
Diffstat (limited to 'src/registry_person.c')
| -rw-r--r-- | src/registry_person.c | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/src/registry_person.c b/src/registry_person.c deleted file mode 100644 index d8b6cd98..00000000 --- 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); -} |