summaryrefslogtreecommitdiffstats
path: root/registry/registry_machine.c
diff options
context:
space:
mode:
Diffstat (limited to 'registry/registry_machine.c')
-rw-r--r--registry/registry_machine.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/registry/registry_machine.c b/registry/registry_machine.c
new file mode 100644
index 0000000..8dbeb8e
--- /dev/null
+++ b/registry/registry_machine.c
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "../daemon/common.h"
+#include "registry_internals.h"
+
+// ----------------------------------------------------------------------------
+// MACHINE
+
+REGISTRY_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);
+}
+
+REGISTRY_MACHINE_URL *registry_machine_url_allocate(REGISTRY_MACHINE *m, REGISTRY_URL *u, time_t when) {
+ debug(D_REGISTRY, "registry_machine_url_allocate('%s', '%s'): allocating %zu bytes", m->guid, u->url, sizeof(REGISTRY_MACHINE_URL));
+
+ REGISTRY_MACHINE_URL *mu = mallocz(sizeof(REGISTRY_MACHINE_URL));
+
+ 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(REGISTRY_MACHINE_URL);
+
+ debug(D_REGISTRY, "registry_machine_url_allocate('%s', '%s'): indexing URL in machine", m->guid, u->url);
+ dictionary_set(m->machine_urls, u->url, mu, sizeof(REGISTRY_MACHINE_URL));
+
+ registry_url_link(u);
+
+ return mu;
+}
+
+REGISTRY_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(REGISTRY_MACHINE));
+
+ REGISTRY_MACHINE *m = mallocz(sizeof(REGISTRY_MACHINE));
+
+ strncpyz(m->guid, machine_guid, GUID_LEN);
+
+ debug(D_REGISTRY, "Registry: registry_machine_allocate('%s'): creating dictionary of urls", machine_guid);
+ m->machine_urls = dictionary_create(DICTIONARY_FLAGS);
+
+ m->first_t = m->last_t = (uint32_t)when;
+ m->usages = 0;
+
+ registry.machines_memory += sizeof(REGISTRY_MACHINE);
+
+ registry.machines_count++;
+ dictionary_set(registry.machines, m->guid, m, sizeof(REGISTRY_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
+REGISTRY_MACHINE *registry_machine_get(const char *machine_guid, time_t when) {
+ REGISTRY_MACHINE *m = NULL;
+
+ if(likely(machine_guid && *machine_guid)) {
+ // validate it is a GUID
+ char buf[GUID_LEN + 1];
+ if(unlikely(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);
+ }
+ }
+
+ return m;
+}
+
+
+// ----------------------------------------------------------------------------
+// LINKING OF OBJECTS
+
+REGISTRY_MACHINE_URL *registry_machine_link_to_url(REGISTRY_MACHINE *m, REGISTRY_URL *u, time_t when) {
+ debug(D_REGISTRY, "registry_machine_link_to_url('%s', '%s'): searching for URL in machine", m->guid, u->url);
+
+ REGISTRY_MACHINE_URL *mu = dictionary_get(m->machine_urls, u->url);
+ if(!mu) {
+ debug(D_REGISTRY, "registry_machine_link_to_url('%s', '%s'): not found", 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'): found", m->guid, u->url);
+ mu->usages++;
+ if(likely(mu->last_t < (uint32_t)when)) mu->last_t = (uint32_t)when;
+ }
+
+ m->usages++;
+ if(likely(m->last_t < (uint32_t)when)) m->last_t = (uint32_t)when;
+
+ if(mu->flags & REGISTRY_URL_FLAGS_EXPIRED) {
+ debug(D_REGISTRY, "registry_machine_link_to_url('%s', '%s'): accessing an expired URL.", m->guid, u->url);
+ mu->flags &= ~REGISTRY_URL_FLAGS_EXPIRED;
+ }
+
+ return mu;
+}