110 lines
4.0 KiB
C
110 lines
4.0 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#include "daemon/common.h"
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#include "registry_internals.h"
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// ----------------------------------------------------------------------------
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// MACHINE
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REGISTRY_MACHINE *registry_machine_find(const char *machine_guid) {
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debug(D_REGISTRY, "Registry: registry_machine_find('%s')", machine_guid);
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return dictionary_get(registry.machines, machine_guid);
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}
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REGISTRY_MACHINE_URL *registry_machine_url_allocate(REGISTRY_MACHINE *m, REGISTRY_URL *u, time_t when) {
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debug(D_REGISTRY, "registry_machine_url_allocate('%s', '%s'): allocating %zu bytes", m->guid, u->url, sizeof(REGISTRY_MACHINE_URL));
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REGISTRY_MACHINE_URL *mu = mallocz(sizeof(REGISTRY_MACHINE_URL));
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mu->first_t = mu->last_t = (uint32_t)when;
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mu->usages = 1;
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mu->url = u;
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mu->flags = REGISTRY_URL_FLAGS_DEFAULT;
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registry.machines_urls_memory += sizeof(REGISTRY_MACHINE_URL);
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debug(D_REGISTRY, "registry_machine_url_allocate('%s', '%s'): indexing URL in machine", m->guid, u->url);
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registry.machines_urls_memory -= dictionary_stats_for_registry(m->machine_urls);
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dictionary_set(m->machine_urls, u->url, mu, sizeof(REGISTRY_MACHINE_URL));
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registry.machines_urls_memory += dictionary_stats_for_registry(m->machine_urls);
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registry_url_link(u);
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return mu;
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}
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REGISTRY_MACHINE *registry_machine_allocate(const char *machine_guid, time_t when) {
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debug(D_REGISTRY, "Registry: registry_machine_allocate('%s'): creating new machine, sizeof(MACHINE)=%zu", machine_guid, sizeof(REGISTRY_MACHINE));
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REGISTRY_MACHINE *m = mallocz(sizeof(REGISTRY_MACHINE));
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strncpyz(m->guid, machine_guid, GUID_LEN);
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debug(D_REGISTRY, "Registry: registry_machine_allocate('%s'): creating dictionary of urls", machine_guid);
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m->machine_urls = dictionary_create(REGISTRY_DICTIONARY_OPTIONS);
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m->first_t = m->last_t = (uint32_t)when;
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m->usages = 0;
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registry.machines_memory += sizeof(REGISTRY_MACHINE);
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registry.machines_count++;
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registry.machines_urls_memory -= dictionary_stats_for_registry(m->machine_urls);
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dictionary_set(registry.machines, m->guid, m, sizeof(REGISTRY_MACHINE));
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registry.machines_urls_memory += dictionary_stats_for_registry(m->machine_urls);
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return m;
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}
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// 1. validate machine GUID
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// 2. if it is valid, find it or create it and return it
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// 3. if it is not valid, return NULL
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REGISTRY_MACHINE *registry_machine_get(const char *machine_guid, time_t when) {
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REGISTRY_MACHINE *m = NULL;
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if(likely(machine_guid && *machine_guid)) {
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// validate it is a GUID
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char buf[GUID_LEN + 1];
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if(unlikely(regenerate_guid(machine_guid, buf) == -1))
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info("Registry: machine guid '%s' is not a valid guid. Ignoring it.", machine_guid);
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else {
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machine_guid = buf;
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m = registry_machine_find(machine_guid);
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if(!m) m = registry_machine_allocate(machine_guid, when);
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}
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}
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return m;
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}
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// ----------------------------------------------------------------------------
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// LINKING OF OBJECTS
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REGISTRY_MACHINE_URL *registry_machine_link_to_url(REGISTRY_MACHINE *m, REGISTRY_URL *u, time_t when) {
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debug(D_REGISTRY, "registry_machine_link_to_url('%s', '%s'): searching for URL in machine", m->guid, u->url);
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REGISTRY_MACHINE_URL *mu = dictionary_get(m->machine_urls, u->url);
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if(!mu) {
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debug(D_REGISTRY, "registry_machine_link_to_url('%s', '%s'): not found", m->guid, u->url);
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mu = registry_machine_url_allocate(m, u, when);
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registry.machines_urls_count++;
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}
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else {
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debug(D_REGISTRY, "registry_machine_link_to_url('%s', '%s'): found", m->guid, u->url);
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mu->usages++;
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if(likely(mu->last_t < (uint32_t)when)) mu->last_t = (uint32_t)when;
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}
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m->usages++;
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if(likely(m->last_t < (uint32_t)when)) m->last_t = (uint32_t)when;
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if(mu->flags & REGISTRY_URL_FLAGS_EXPIRED) {
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debug(D_REGISTRY, "registry_machine_link_to_url('%s', '%s'): accessing an expired URL.", m->guid, u->url);
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mu->flags &= ~REGISTRY_URL_FLAGS_EXPIRED;
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}
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return mu;
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}
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