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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:19:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:20:17 +0000 |
commit | a64a253794ac64cb40befee54db53bde17dd0d49 (patch) | |
tree | c1024acc5f6e508814b944d99f112259bb28b1be /registry/registry_machine.c | |
parent | New upstream version 1.10.0+dfsg (diff) | |
download | netdata-2dec20452b290c484d509f7ac9a29b38cf690223.tar.xz netdata-2dec20452b290c484d509f7ac9a29b38cf690223.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 'registry/registry_machine.c')
-rw-r--r-- | registry/registry_machine.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/registry/registry_machine.c b/registry/registry_machine.c new file mode 100644 index 000000000..8dbeb8ea6 --- /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; +} |