-static inline void registry_persons_lock(void) {
- pthread_mutex_lock(®istry.persons_lock);
-}
-
-static inline void registry_persons_unlock(void) {
- pthread_mutex_unlock(®istry.persons_lock);
-}
-
-static inline void registry_machines_lock(void) {
- pthread_mutex_lock(®istry.machines_lock);
-}
-
-static inline void registry_machines_unlock(void) {
- pthread_mutex_unlock(®istry.machines_lock);
-}
-
-static inline void registry_urls_lock(void) {
- pthread_mutex_lock(®istry.urls_lock);
-}
-
-static inline void registry_urls_unlock(void) {
- pthread_mutex_unlock(®istry.urls_lock);
-}
-
-// ideally, we should not lock the whole registry for
-// updating a person's urls.
-// however, to save the memory required for keeping a
-// mutex (40 bytes) per person, we do...
-static inline void registry_person_urls_lock(PERSON *p) {
- (void)p;
- pthread_mutex_lock(®istry.person_urls_lock);
-}
-
-static inline void registry_person_urls_unlock(PERSON *p) {
- (void)p;
- pthread_mutex_unlock(®istry.person_urls_lock);
-}
-
-// ideally, we should not lock the whole registry for
-// updating a machine's urls.
-// however, to save the memory required for keeping a
-// mutex (40 bytes) per machine, we do...
-static inline void registry_machine_urls_lock(MACHINE *m) {
- (void)m;
- pthread_mutex_lock(®istry.machine_urls_lock);
-}
-
-static inline void registry_machine_urls_unlock(MACHINE *m) {
- (void)m;
- pthread_mutex_unlock(®istry.machine_urls_lock);
-}
-
-static inline void registry_log_lock(void) {
- pthread_mutex_lock(®istry.log_lock);
-}
-
-static inline void registry_log_unlock(void) {
- pthread_mutex_unlock(®istry.log_lock);
-}
-
-
-// ----------------------------------------------------------------------------
-// common functions
-
-// parse a GUID and re-generated to be always lower case
-// this is used as a protection against the variations of GUIDs
-static inline int registry_regenerate_guid(const char *guid, char *result) {
- uuid_t uuid;
- if(unlikely(uuid_parse(guid, uuid) == -1)) {
- info("Registry: GUID '%s' is not a valid GUID.", guid);
- return -1;
- }
- else {
- uuid_unparse_lower(uuid, result);
-
-#ifdef NETDATA_INTERNAL_CHECKS
- if(strcmp(guid, result))
- info("Registry: source GUID '%s' and re-generated GUID '%s' differ!", guid, result);
-#endif /* NETDATA_INTERNAL_CHECKS */
- }
-
- return 0;
-}
-
-// make sure the names of the machines / URLs do not contain any tabs
-// (which are used as our separator in the database files)
-// and are properly trimmed (before and after)
-static inline char *registry_fix_machine_name(char *name, size_t *len) {
- char *s = name?name:"";
-
- // skip leading spaces
- while(*s && isspace(*s)) s++;
-
- // make sure all spaces are a SPACE
- char *t = s;
- while(*t) {
- if(unlikely(isspace(*t)))
- *t = ' ';
-
- t++;
- }
-
- // remove trailing spaces
- while(--t >= s) {
- if(*t == ' ')
- *t = '\0';
- else
- break;
- }
- t++;
-
- if(likely(len))
- *len = (t - s);
-
- return s;
-}
-
-static inline char *registry_fix_url(char *url, size_t *len) {
- return registry_fix_machine_name(url, len);
-}
-
-
-// ----------------------------------------------------------------------------
-// forward definition of functions
-
-extern PERSON *registry_request_access(char *person_guid, char *machine_guid, char *url, char *name, time_t when);
-extern PERSON *registry_request_delete(char *person_guid, char *machine_guid, char *url, char *delete_url, time_t when);
-
-
-// ----------------------------------------------------------------------------
-// URL
-
-static inline URL *registry_url_allocate_nolock(const char *url, size_t urllen) {
- // protection from too big URLs
- if(urllen > registry.max_url_length)
- urllen = registry.max_url_length;
-
- debug(D_REGISTRY, "Registry: registry_url_allocate_nolock('%s'): allocating %zu bytes", url, sizeof(URL) + urllen);
- URL *u = mallocz(sizeof(URL) + urllen);
-
- // a simple strcpy() should do the job
- // but I prefer to be safe, since the caller specified urllen
- u->len = (uint16_t)urllen;
- strncpyz(u->url, url, u->len);
- u->links = 0;
-
- registry.urls_memory += sizeof(URL) + urllen;
-
- debug(D_REGISTRY, "Registry: registry_url_allocate_nolock('%s'): indexing it", url);
- dictionary_set(registry.urls, u->url, u, sizeof(URL));
-
- return u;
-}
-
-static inline URL *registry_url_get_nolock(const char *url, size_t urllen) {
- debug(D_REGISTRY, "Registry: registry_url_get_nolock('%s')", url);
-
- URL *u = dictionary_get(registry.urls, url);
- if(!u) {
- u = registry_url_allocate_nolock(url, urllen);
- registry.urls_count++;
- }
-
- return u;
-}
-
-static inline URL *registry_url_get(const char *url, size_t urllen) {
- debug(D_REGISTRY, "Registry: registry_url_get('%s')", url);
-
- registry_urls_lock();
-
- URL *u = registry_url_get_nolock(url, urllen);
-
- registry_urls_unlock();
-
- return u;
-}
-
-static inline void registry_url_link_nolock(URL *u) {
- u->links++;
- debug(D_REGISTRY, "Registry: registry_url_link_nolock('%s'): URL has now %u links", u->url, u->links);
-}
-
-static inline void registry_url_unlink_nolock(URL *u) {
- u->links--;
- if(!u->links) {
- debug(D_REGISTRY, "Registry: registry_url_unlink_nolock('%s'): No more links for this URL", u->url);
- dictionary_del(registry.urls, u->url);
- freez(u);
- }
- else
- debug(D_REGISTRY, "Registry: registry_url_unlink_nolock('%s'): URL has %u links left", u->url, u->links);
-}
-
-
-// ----------------------------------------------------------------------------
-// MACHINE
-
-static inline MACHINE *registry_machine_find(const char *machine_guid) {
- debug(D_REGISTRY, "Registry: registry_machine_find('%s')", machine_guid);
- return dictionary_get(registry.machines, machine_guid);
-}
-
-static inline MACHINE_URL *registry_machine_url_allocate(MACHINE *m, URL *u, time_t when) {
- debug(D_REGISTRY, "registry_machine_link_to_url('%s', '%s'): allocating %zu bytes", m->guid, u->url, sizeof(MACHINE_URL));
-
- MACHINE_URL *mu = mallocz(sizeof(MACHINE_URL));
-
- // mu->persons = dictionary_create(DICTIONARY_FLAGS);
- // dictionary_set(mu->persons, p->guid, p, sizeof(PERSON));
-
- mu->first_t = mu->last_t = (uint32_t)when;
- mu->usages = 1;
- mu->url = u;
- mu->flags = REGISTRY_URL_FLAGS_DEFAULT;
-
- registry.machines_urls_memory += sizeof(MACHINE_URL);
-
- debug(D_REGISTRY, "registry_machine_link_to_url('%s', '%s'): indexing URL in machine", m->guid, u->url);
- dictionary_set(m->urls, u->url, mu, sizeof(MACHINE_URL));
- registry_url_link_nolock(u);
-
- return mu;
-}
-
-static inline MACHINE *registry_machine_allocate(const char *machine_guid, time_t when) {
- debug(D_REGISTRY, "Registry: registry_machine_allocate('%s'): creating new machine, sizeof(MACHINE)=%zu", machine_guid, sizeof(MACHINE));
-
- MACHINE *m = mallocz(sizeof(MACHINE));
-
- strncpyz(m->guid, machine_guid, 36);
-
- debug(D_REGISTRY, "Registry: registry_machine_allocate('%s'): creating dictionary of urls", machine_guid);
- m->urls = dictionary_create(DICTIONARY_FLAGS);
-
- m->first_t = m->last_t = (uint32_t)when;
- m->usages = 0;
-
- registry.machines_memory += sizeof(MACHINE);
-
- registry.machines_count++;
- dictionary_set(registry.machines, m->guid, m, sizeof(MACHINE));
-
- return m;
-}
-
-// 1. validate machine GUID
-// 2. if it is valid, find it or create it and return it
-// 3. if it is not valid, return NULL
-static inline MACHINE *registry_machine_get(const char *machine_guid, time_t when) {
- MACHINE *m = NULL;
-
- registry_machines_lock();
-
- if(likely(machine_guid && *machine_guid)) {
- // validate it is a GUID
- char buf[36 + 1];
- if(unlikely(registry_regenerate_guid(machine_guid, buf) == -1))
- info("Registry: machine guid '%s' is not a valid guid. Ignoring it.", machine_guid);
- else {
- machine_guid = buf;
- m = registry_machine_find(machine_guid);
- if(!m) m = registry_machine_allocate(machine_guid, when);
- }
- }
-
- registry_machines_unlock();
-
- return m;
-}
-
-
-// ----------------------------------------------------------------------------
-// PERSON
-
-static inline 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);
-}
-
-static inline PERSON_URL *registry_person_url_allocate(PERSON *p, MACHINE *m, URL *u, char *name, size_t namelen, time_t when) {
- // protection from too big names
- if(namelen > registry.max_name_length)
- namelen = registry.max_name_length;
-
- debug(D_REGISTRY, "registry_person_url_allocate('%s', '%s', '%s'): allocating %zu bytes", p->guid, m->guid, u->url,
- sizeof(PERSON_URL) + namelen);
-
- PERSON_URL *pu = mallocz(sizeof(PERSON_URL) + namelen);
-
- // a simple strcpy() should do the job
- // but I prefer to be safe, since the caller specified urllen
- strncpyz(pu->name, name, namelen);
-
- pu->machine = m;
- pu->first_t = pu->last_t = when;
- pu->usages = 1;
- pu->url = u;
- pu->flags = REGISTRY_URL_FLAGS_DEFAULT;
- m->links++;
-
- registry.persons_urls_memory += sizeof(PERSON_URL) + namelen;
-
- debug(D_REGISTRY, "registry_person_url_allocate('%s', '%s', '%s'): indexing URL in person", p->guid, m->guid, u->url);
- dictionary_set(p->urls, u->url, pu, sizeof(PERSON_URL));
- registry_url_link_nolock(u);
-
- return pu;
-}
-
-static inline PERSON_URL *registry_person_url_reallocate(PERSON *p, MACHINE *m, URL *u, char *name, size_t namelen, time_t when, PERSON_URL *pu) {
- // this function is needed to change the name of a PERSON_URL
-
- debug(D_REGISTRY, "registry_person_url_reallocate('%s', '%s', '%s'): allocating %zu bytes", p->guid, m->guid, u->url,
- sizeof(PERSON_URL) + namelen);
-
- 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;
-
- // ok, these are a hack - since the registry_person_url_allocate() is
- // adding these, we have to subtract them
- tpu->machine->links--;
- registry.persons_urls_memory -= sizeof(PERSON_URL) + strlen(pu->name);
- registry_url_unlink_nolock(u);
-
- freez(pu);
-
- return tpu;
-}
-
-static inline PERSON *registry_person_allocate(const char *person_guid, time_t when) {
- PERSON *p = NULL;
-
- debug(D_REGISTRY, "Registry: registry_person_allocate('%s'): allocating new person, sizeof(PERSON)=%zu", (person_guid)?person_guid:"", sizeof(PERSON));
-
- p = mallocz(sizeof(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, 36);
-
- debug(D_REGISTRY, "Registry: registry_person_allocate('%s'): creating dictionary of urls", p->guid);
- p->urls = dictionary_create(DICTIONARY_FLAGS);
-
- p->first_t = p->last_t = when;
- p->usages = 0;
-
- registry.persons_memory += sizeof(PERSON);
-
- registry.persons_count++;
- dictionary_set(registry.persons, p->guid, p, sizeof(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
-static inline PERSON *registry_person_get(const char *person_guid, time_t when) {
- PERSON *p = NULL;
-
- registry_persons_lock();
-
- if(person_guid && *person_guid) {
- char buf[36 + 1];
- // validate it is a GUID
- if(unlikely(registry_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);
-
- registry_persons_unlock();
-
- return p;
-}
-
-// ----------------------------------------------------------------------------
-// LINKING OF OBJECTS
-
-static inline PERSON_URL *registry_person_link_to_url(PERSON *p, MACHINE *m, 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_urls_lock(p);
-
- PERSON_URL *pu = dictionary_get(p->urls, 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 = when;
-
- if(pu->machine != m) {
- MACHINE_URL *mu = dictionary_get(pu->machine->urls, u->url);
- if(mu) {
- info("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 {
- info("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->name, name)) {
- // 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 = when;
-
- if(pu->flags & REGISTRY_URL_FLAGS_EXPIRED) {
- info("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;
- }
-
- registry_person_urls_unlock(p);
-
- return pu;
-}
-
-static inline MACHINE_URL *registry_machine_link_to_url(PERSON *p, MACHINE *m, URL *u, time_t when) {
- debug(D_REGISTRY, "registry_machine_link_to_url('%s', '%s', '%s'): searching for URL in machine", p->guid, m->guid, u->url);
-
- registry_machine_urls_lock(m);
-
- MACHINE_URL *mu = dictionary_get(m->urls, u->url);
- if(!mu) {
- debug(D_REGISTRY, "registry_machine_link_to_url('%s', '%s', '%s'): not found", p->guid, m->guid, u->url);
- mu = registry_machine_url_allocate(m, u, when);
- registry.machines_urls_count++;
- }
- else {
- debug(D_REGISTRY, "registry_machine_link_to_url('%s', '%s', '%s'): found", p->guid, m->guid, u->url);
- mu->usages++;
- if(likely(mu->last_t < (uint32_t)when)) mu->last_t = when;
- }
-
- //debug(D_REGISTRY, "registry_machine_link_to_url('%s', '%s', '%s'): indexing person in machine", p->guid, m->guid, u->url);
- //dictionary_set(mu->persons, p->guid, p, sizeof(PERSON));
-
- m->usages++;
- if(likely(m->last_t < (uint32_t)when)) m->last_t = when;
-
- if(mu->flags & REGISTRY_URL_FLAGS_EXPIRED) {
- info("registry_machine_link_to_url('%s', '%s', '%s'): accessing an expired URL.", p->guid, m->guid, u->url);
- mu->flags &= ~REGISTRY_URL_FLAGS_EXPIRED;
- }
-
- registry_machine_urls_unlock(m);
-
- return mu;
-}
-
-// ----------------------------------------------------------------------------
-// REGISTRY LOG LOAD/SAVE
-
-static inline int registry_should_save_db(void) {
- debug(D_REGISTRY, "log entries %llu, max %llu", registry.log_count, registry.save_registry_every_entries);
- return registry.log_count > registry.save_registry_every_entries;
-}
-
-static inline void registry_log(const char action, PERSON *p, MACHINE *m, URL *u, char *name) {
- if(likely(registry.log_fp)) {
- // we lock only if the file is open
- // to allow replaying the log at registry_log_load()
- registry_log_lock();
-
- if(unlikely(fprintf(registry.log_fp, "%c\t%08x\t%s\t%s\t%s\t%s\n",
- action,
- p->last_t,
- p->guid,
- m->guid,
- name,
- u->url) < 0))
- error("Registry: failed to save log. Registry data may be lost in case of abnormal restart.");
-
- // we increase the counter even on failures
- // so that the registry will be saved periodically
- registry.log_count++;
-
- registry_log_unlock();
-
- // this must be outside the log_lock(), or a deadlock will happen.
- // registry_save() checks the same inside the log_lock, so only
- // one thread will save the db
- if(unlikely(registry_should_save_db()))
- registry_save();
- }
-}
-
-static inline int registry_log_open_nolock(void) {
- if(registry.log_fp)
- fclose(registry.log_fp);
-
- registry.log_fp = fopen(registry.log_filename, "a");
-
- if(registry.log_fp) {
- if (setvbuf(registry.log_fp, NULL, _IOLBF, 0) != 0)
- error("Cannot set line buffering on registry log file.");
- return 0;
- }
-
- error("Cannot open registry log file '%s'. Registry data will be lost in case of netdata or server crash.", registry.log_filename);
- return -1;
-}
-
-static inline void registry_log_close_nolock(void) {
- if(registry.log_fp) {
- fclose(registry.log_fp);
- registry.log_fp = NULL;
- }
-}
-
-static inline void registry_log_recreate_nolock(void) {
- if(registry.log_fp != NULL) {
- registry_log_close_nolock();
-
- // open it with truncate
- registry.log_fp = fopen(registry.log_filename, "w");
- if(registry.log_fp) fclose(registry.log_fp);
- else error("Cannot truncate registry log '%s'", registry.log_filename);
-
- registry.log_fp = NULL;
-
- registry_log_open_nolock();
- }
-}
-
-int registry_log_load(void) {
- ssize_t line = -1;
-
- // closing the log is required here
- // otherwise we will append to it the values we read
- registry_log_close_nolock();
-
- debug(D_REGISTRY, "Registry: loading active db from: %s", registry.log_filename);
- FILE *fp = fopen(registry.log_filename, "r");
- if(!fp)
- error("Registry: cannot open registry file: %s", registry.log_filename);
- else {
- char *s, buf[4096 + 1];
- line = 0;
- size_t len = 0;
-
- while ((s = fgets_trim_len(buf, 4096, fp, &len))) {
- line++;
-
- switch (s[0]) {
- case 'A': // accesses
- case 'D': // deletes
-
- // verify it is valid
- if (unlikely(len < 85 || s[1] != '\t' || s[10] != '\t' || s[47] != '\t' || s[84] != '\t')) {
- error("Registry: log line %zd is wrong (len = %zu).", line, len);
- continue;
- }
- s[1] = s[10] = s[47] = s[84] = '\0';
-
- // get the variables
- time_t when = strtoul(&s[2], NULL, 16);
- char *person_guid = &s[11];
- char *machine_guid = &s[48];
- char *name = &s[85];
-
- // skip the name to find the url
- char *url = name;
- while(*url && *url != '\t') url++;
- if(!*url) {
- error("Registry: log line %zd does not have a url.", line);
- continue;
- }
- *url++ = '\0';
-
- // make sure the person exists
- // without this, a new person guid will be created
- PERSON *p = registry_person_find(person_guid);
- if(!p) p = registry_person_allocate(person_guid, when);
-
- if(s[0] == 'A')
- registry_request_access(p->guid, machine_guid, url, name, when);
- else
- registry_request_delete(p->guid, machine_guid, url, name, when);
-
- registry.log_count++;
- break;
-
- default:
- error("Registry: ignoring line %zd of filename '%s': %s.", line, registry.log_filename, s);
- break;
- }
- }
-
- fclose(fp);
- }
-
- // open the log again
- registry_log_open_nolock();
-
- return line;
-}
-
-
-// ----------------------------------------------------------------------------
-// REGISTRY REQUESTS
-
-PERSON *registry_request_access(char *person_guid, char *machine_guid, char *url, char *name, time_t when) {
- debug(D_REGISTRY, "registry_request_access('%s', '%s', '%s'): NEW REQUEST", (person_guid)?person_guid:"", machine_guid, url);
-
- MACHINE *m = registry_machine_get(machine_guid, when);
- if(!m) return NULL;
-
- // make sure the name is valid
- size_t namelen;
- name = registry_fix_machine_name(name, &namelen);
-
- size_t urllen;
- url = registry_fix_url(url, &urllen);
-
- URL *u = registry_url_get(url, urllen);
- PERSON *p = registry_person_get(person_guid, when);
-
- registry_person_link_to_url(p, m, u, name, namelen, when);
- registry_machine_link_to_url(p, m, u, when);
-
- registry_log('A', p, m, u, name);
-
- registry.usages_count++;
- return p;
-}
-
-// verify the person, the machine and the URL exist in our DB
-PERSON_URL *registry_verify_request(char *person_guid, char *machine_guid, char *url, PERSON **pp, MACHINE **mm) {
- char pbuf[36 + 1], mbuf[36 + 1];
-
- if(!person_guid || !*person_guid || !machine_guid || !*machine_guid || !url || !*url) {
- info("Registry Request Verification: invalid request! person: '%s', machine '%s', url '%s'", person_guid?person_guid:"UNSET", machine_guid?machine_guid:"UNSET", url?url:"UNSET");
- return NULL;
- }
-
- // normalize the url
- url = registry_fix_url(url, NULL);
-
- // make sure the person GUID is valid
- if(registry_regenerate_guid(person_guid, pbuf) == -1) {
- info("Registry Request Verification: invalid person GUID, person: '%s', machine '%s', url '%s'", person_guid, machine_guid, url);
- return NULL;
- }
- person_guid = pbuf;
-
- // make sure the machine GUID is valid
- if(registry_regenerate_guid(machine_guid, mbuf) == -1) {
- info("Registry Request Verification: invalid machine GUID, person: '%s', machine '%s', url '%s'", person_guid, machine_guid, url);
- return NULL;
- }
- machine_guid = mbuf;
-
- // make sure the machine exists
- MACHINE *m = registry_machine_find(machine_guid);
- if(!m) {
- info("Registry Request Verification: machine not found, person: '%s', machine '%s', url '%s'", person_guid, machine_guid, url);
- return NULL;
- }
- if(mm) *mm = m;
-
- // make sure the person exist
- PERSON *p = registry_person_find(person_guid);
- if(!p) {
- info("Registry Request Verification: person not found, person: '%s', machine '%s', url '%s'", person_guid, machine_guid, url);
- return NULL;
- }
- if(pp) *pp = p;
-
- PERSON_URL *pu = dictionary_get(p->urls, url);
- if(!pu) {
- info("Registry Request Verification: URL not found for person, person: '%s', machine '%s', url '%s'", person_guid, machine_guid, url);
- return NULL;
- }
- return pu;