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authorDaniel Baumann <daniel.baumann@progress-linux.org>2018-11-07 12:22:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2018-11-07 12:22:44 +0000
commit1e6c93250172946eeb38e94a92a1fd12c9d3011e (patch)
tree8ca5e16dfc7ad6b3bf2738ca0a48408a950f8f7e /src/rrdhost.c
parentUpdate watch file (diff)
downloadnetdata-1e6c93250172946eeb38e94a92a1fd12c9d3011e.tar.xz
netdata-1e6c93250172946eeb38e94a92a1fd12c9d3011e.zip
Merging upstream version 1.11.0+dfsg.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/rrdhost.c')
-rw-r--r--src/rrdhost.c735
1 files changed, 0 insertions, 735 deletions
diff --git a/src/rrdhost.c b/src/rrdhost.c
deleted file mode 100644
index e62e61ae8..000000000
--- a/src/rrdhost.c
+++ /dev/null
@@ -1,735 +0,0 @@
-#define NETDATA_RRD_INTERNALS 1
-#include "common.h"
-
-RRDHOST *localhost = NULL;
-size_t rrd_hosts_available = 0;
-netdata_rwlock_t rrd_rwlock = NETDATA_RWLOCK_INITIALIZER;
-
-time_t rrdset_free_obsolete_time = 3600;
-time_t rrdhost_free_orphan_time = 3600;
-
-// ----------------------------------------------------------------------------
-// RRDHOST index
-
-int rrdhost_compare(void* a, void* b) {
- if(((RRDHOST *)a)->hash_machine_guid < ((RRDHOST *)b)->hash_machine_guid) return -1;
- else if(((RRDHOST *)a)->hash_machine_guid > ((RRDHOST *)b)->hash_machine_guid) return 1;
- else return strcmp(((RRDHOST *)a)->machine_guid, ((RRDHOST *)b)->machine_guid);
-}
-
-avl_tree_lock rrdhost_root_index = {
- .avl_tree = { NULL, rrdhost_compare },
- .rwlock = AVL_LOCK_INITIALIZER
-};
-
-RRDHOST *rrdhost_find_by_guid(const char *guid, uint32_t hash) {
- debug(D_RRDHOST, "Searching in index for host with guid '%s'", guid);
-
- RRDHOST tmp;
- strncpyz(tmp.machine_guid, guid, GUID_LEN);
- tmp.hash_machine_guid = (hash)?hash:simple_hash(tmp.machine_guid);
-
- return (RRDHOST *)avl_search_lock(&(rrdhost_root_index), (avl *) &tmp);
-}
-
-RRDHOST *rrdhost_find_by_hostname(const char *hostname, uint32_t hash) {
- if(unlikely(!strcmp(hostname, "localhost")))
- return localhost;
-
- if(unlikely(!hash)) hash = simple_hash(hostname);
-
- rrd_rdlock();
- RRDHOST *host;
- rrdhost_foreach_read(host) {
- if(unlikely((hash == host->hash_hostname && !strcmp(hostname, host->hostname)))) {
- rrd_unlock();
- return host;
- }
- }
- rrd_unlock();
-
- return NULL;
-}
-
-#define rrdhost_index_add(rrdhost) (RRDHOST *)avl_insert_lock(&(rrdhost_root_index), (avl *)(rrdhost))
-#define rrdhost_index_del(rrdhost) (RRDHOST *)avl_remove_lock(&(rrdhost_root_index), (avl *)(rrdhost))
-
-
-// ----------------------------------------------------------------------------
-// RRDHOST - internal helpers
-
-static inline void rrdhost_init_tags(RRDHOST *host, const char *tags) {
- if(host->tags && tags && !strcmp(host->tags, tags))
- return;
-
- void *old = (void *)host->tags;
- host->tags = (tags && *tags)?strdupz(tags):NULL;
- freez(old);
-}
-
-static inline void rrdhost_init_hostname(RRDHOST *host, const char *hostname) {
- if(host->hostname && hostname && !strcmp(host->hostname, hostname))
- return;
-
- void *old = host->hostname;
- host->hostname = strdupz(hostname?hostname:"localhost");
- host->hash_hostname = simple_hash(host->hostname);
- freez(old);
-}
-
-static inline void rrdhost_init_os(RRDHOST *host, const char *os) {
- if(host->os && os && !strcmp(host->os, os))
- return;
-
- void *old = (void *)host->os;
- host->os = strdupz(os?os:"unknown");
- freez(old);
-}
-
-static inline void rrdhost_init_timezone(RRDHOST *host, const char *timezone) {
- if(host->timezone && timezone && !strcmp(host->timezone, timezone))
- return;
-
- void *old = (void *)host->timezone;
- host->timezone = strdupz((timezone && *timezone)?timezone:"unknown");
- freez(old);
-}
-
-static inline void rrdhost_init_machine_guid(RRDHOST *host, const char *machine_guid) {
- strncpy(host->machine_guid, machine_guid, GUID_LEN);
- host->machine_guid[GUID_LEN] = '\0';
- host->hash_machine_guid = simple_hash(host->machine_guid);
-}
-
-
-// ----------------------------------------------------------------------------
-// RRDHOST - add a host
-
-RRDHOST *rrdhost_create(const char *hostname,
- const char *registry_hostname,
- const char *guid,
- const char *os,
- const char *timezone,
- const char *tags,
- const char *program_name,
- const char *program_version,
- int update_every,
- long entries,
- RRD_MEMORY_MODE memory_mode,
- int health_enabled,
- int rrdpush_enabled,
- char *rrdpush_destination,
- char *rrdpush_api_key,
- int is_localhost
-) {
- debug(D_RRDHOST, "Host '%s': adding with guid '%s'", hostname, guid);
-
- rrd_check_wrlock();
-
- RRDHOST *host = callocz(1, sizeof(RRDHOST));
-
- host->rrd_update_every = (update_every > 0)?update_every:1;
- host->rrd_history_entries = align_entries_to_pagesize(memory_mode, entries);
- host->rrd_memory_mode = memory_mode;
- host->health_enabled = (memory_mode == RRD_MEMORY_MODE_NONE)? 0 : health_enabled;
- host->rrdpush_send_enabled = (rrdpush_enabled && rrdpush_destination && *rrdpush_destination && rrdpush_api_key && *rrdpush_api_key);
- host->rrdpush_send_destination = (host->rrdpush_send_enabled)?strdupz(rrdpush_destination):NULL;
- host->rrdpush_send_api_key = (host->rrdpush_send_enabled)?strdupz(rrdpush_api_key):NULL;
-
- host->rrdpush_sender_pipe[0] = -1;
- host->rrdpush_sender_pipe[1] = -1;
- host->rrdpush_sender_socket = -1;
-
- netdata_mutex_init(&host->rrdpush_sender_buffer_mutex);
- netdata_rwlock_init(&host->rrdhost_rwlock);
-
- rrdhost_init_hostname(host, hostname);
- rrdhost_init_machine_guid(host, guid);
- rrdhost_init_os(host, os);
- rrdhost_init_timezone(host, timezone);
- rrdhost_init_tags(host, tags);
-
- host->program_name = strdupz((program_name && *program_name)?program_name:"unknown");
- host->program_version = strdupz((program_version && *program_version)?program_version:"unknown");
- host->registry_hostname = strdupz((registry_hostname && *registry_hostname)?registry_hostname:hostname);
-
- avl_init_lock(&(host->rrdset_root_index), rrdset_compare);
- avl_init_lock(&(host->rrdset_root_index_name), rrdset_compare_name);
- avl_init_lock(&(host->rrdfamily_root_index), rrdfamily_compare);
- avl_init_lock(&(host->rrdvar_root_index), rrdvar_compare);
-
- if(config_get_boolean(CONFIG_SECTION_GLOBAL, "delete obsolete charts files", 1))
- rrdhost_flag_set(host, RRDHOST_FLAG_DELETE_OBSOLETE_CHARTS);
-
- if(config_get_boolean(CONFIG_SECTION_GLOBAL, "delete orphan hosts files", 1) && !is_localhost)
- rrdhost_flag_set(host, RRDHOST_FLAG_DELETE_ORPHAN_HOST);
-
-
- // ------------------------------------------------------------------------
- // initialize health variables
-
- host->health_log.next_log_id = 1;
- host->health_log.next_alarm_id = 1;
- host->health_log.max = 1000;
- host->health_log.next_log_id =
- host->health_log.next_alarm_id = (uint32_t)now_realtime_sec();
-
- long n = config_get_number(CONFIG_SECTION_HEALTH, "in memory max health log entries", host->health_log.max);
- if(n < 10) {
- error("Host '%s': health configuration has invalid max log entries %ld. Using default %u", host->hostname, n, host->health_log.max);
- config_set_number(CONFIG_SECTION_HEALTH, "in memory max health log entries", (long)host->health_log.max);
- }
- else
- host->health_log.max = (unsigned int)n;
-
- netdata_rwlock_init(&host->health_log.alarm_log_rwlock);
-
- char filename[FILENAME_MAX + 1];
-
- if(is_localhost) {
-
- host->cache_dir = strdupz(netdata_configured_cache_dir);
- host->varlib_dir = strdupz(netdata_configured_varlib_dir);
-
- }
- else {
- // this is not localhost - append our GUID to localhost path
-
- snprintfz(filename, FILENAME_MAX, "%s/%s", netdata_configured_cache_dir, host->machine_guid);
- host->cache_dir = strdupz(filename);
-
- if(host->rrd_memory_mode == RRD_MEMORY_MODE_MAP || host->rrd_memory_mode == RRD_MEMORY_MODE_SAVE) {
- int r = mkdir(host->cache_dir, 0775);
- if(r != 0 && errno != EEXIST)
- error("Host '%s': cannot create directory '%s'", host->hostname, host->cache_dir);
- }
-
- snprintfz(filename, FILENAME_MAX, "%s/%s", netdata_configured_varlib_dir, host->machine_guid);
- host->varlib_dir = strdupz(filename);
-
- if(host->health_enabled) {
- int r = mkdir(host->varlib_dir, 0775);
- if(r != 0 && errno != EEXIST)
- error("Host '%s': cannot create directory '%s'", host->hostname, host->varlib_dir);
- }
-
- }
-
- if(host->health_enabled) {
- snprintfz(filename, FILENAME_MAX, "%s/health", host->varlib_dir);
- int r = mkdir(filename, 0775);
- if(r != 0 && errno != EEXIST)
- error("Host '%s': cannot create directory '%s'", host->hostname, filename);
- }
-
- snprintfz(filename, FILENAME_MAX, "%s/health/health-log.db", host->varlib_dir);
- host->health_log_filename = strdupz(filename);
-
- snprintfz(filename, FILENAME_MAX, "%s/alarm-notify.sh", netdata_configured_plugins_dir);
- host->health_default_exec = strdupz(config_get(CONFIG_SECTION_HEALTH, "script to execute on alarm", filename));
- host->health_default_recipient = strdup("root");
-
-
- // ------------------------------------------------------------------------
- // load health configuration
-
- if(host->health_enabled) {
- health_alarm_log_load(host);
- health_alarm_log_open(host);
-
- rrdhost_wrlock(host);
- health_readdir(host, health_config_dir());
- rrdhost_unlock(host);
- }
-
-
- // ------------------------------------------------------------------------
- // link it and add it to the index
-
- if(is_localhost) {
- host->next = localhost;
- localhost = host;
- }
- else {
- if(localhost) {
- host->next = localhost->next;
- localhost->next = host;
- }
- else localhost = host;
- }
-
- RRDHOST *t = rrdhost_index_add(host);
-
- if(t != host) {
- error("Host '%s': cannot add host with machine guid '%s' to index. It already exists as host '%s' with machine guid '%s'.", host->hostname, host->machine_guid, t->hostname, t->machine_guid);
- rrdhost_free(host);
- host = NULL;
- }
- else {
- info("Host '%s' (at registry as '%s') with guid '%s' initialized"
- ", os '%s'"
- ", timezone '%s'"
- ", tags '%s'"
- ", program_name '%s'"
- ", program_version '%s'"
- ", update every %d"
- ", memory mode %s"
- ", history entries %ld"
- ", streaming %s"
- " (to '%s' with api key '%s')"
- ", health %s"
- ", cache_dir '%s'"
- ", varlib_dir '%s'"
- ", health_log '%s'"
- ", alarms default handler '%s'"
- ", alarms default recipient '%s'"
- , host->hostname
- , host->registry_hostname
- , host->machine_guid
- , host->os
- , host->timezone
- , (host->tags)?host->tags:""
- , host->program_name
- , host->program_version
- , host->rrd_update_every
- , rrd_memory_mode_name(host->rrd_memory_mode)
- , host->rrd_history_entries
- , host->rrdpush_send_enabled?"enabled":"disabled"
- , host->rrdpush_send_destination?host->rrdpush_send_destination:""
- , host->rrdpush_send_api_key?host->rrdpush_send_api_key:""
- , host->health_enabled?"enabled":"disabled"
- , host->cache_dir
- , host->varlib_dir
- , host->health_log_filename
- , host->health_default_exec
- , host->health_default_recipient
- );
- }
-
- rrd_hosts_available++;
-
- return host;
-}
-
-RRDHOST *rrdhost_find_or_create(
- const char *hostname
- , const char *registry_hostname
- , const char *guid
- , const char *os
- , const char *timezone
- , const char *tags
- , const char *program_name
- , const char *program_version
- , int update_every
- , long history
- , RRD_MEMORY_MODE mode
- , int health_enabled
- , int rrdpush_enabled
- , char *rrdpush_destination
- , char *rrdpush_api_key
-) {
- debug(D_RRDHOST, "Searching for host '%s' with guid '%s'", hostname, guid);
-
- rrd_wrlock();
- RRDHOST *host = rrdhost_find_by_guid(guid, 0);
- if(!host) {
- host = rrdhost_create(
- hostname
- , registry_hostname
- , guid
- , os
- , timezone
- , tags
- , program_name
- , program_version
- , update_every
- , history
- , mode
- , health_enabled
- , rrdpush_enabled
- , rrdpush_destination
- , rrdpush_api_key
- , 0
- );
- }
- else {
- host->health_enabled = health_enabled;
-
- if(strcmp(host->hostname, hostname) != 0) {
- info("Host '%s' has been renamed to '%s'. If this is not intentional it may mean multiple hosts are using the same machine_guid.", host->hostname, hostname);
- char *t = host->hostname;
- host->hostname = strdupz(hostname);
- host->hash_hostname = simple_hash(host->hostname);
- freez(t);
- }
-
- if(strcmp(host->program_name, program_name) != 0) {
- info("Host '%s' switched program name from '%s' to '%s'", host->hostname, host->program_name, program_name);
- char *t = host->program_name;
- host->program_name = strdupz(program_name);
- freez(t);
- }
-
- if(strcmp(host->program_version, program_version) != 0) {
- info("Host '%s' switched program version from '%s' to '%s'", host->hostname, host->program_version, program_version);
- char *t = host->program_version;
- host->program_version = strdupz(program_version);
- freez(t);
- }
-
- if(host->rrd_update_every != update_every)
- error("Host '%s' has an update frequency of %d seconds, but the wanted one is %d seconds. Restart netdata here to apply the new settings.", host->hostname, host->rrd_update_every, update_every);
-
- if(host->rrd_history_entries < history)
- error("Host '%s' has history of %ld entries, but the wanted one is %ld entries. Restart netdata here to apply the new settings.", host->hostname, host->rrd_history_entries, history);
-
- if(host->rrd_memory_mode != mode)
- error("Host '%s' has memory mode '%s', but the wanted one is '%s'. Restart netdata here to apply the new settings.", host->hostname, rrd_memory_mode_name(host->rrd_memory_mode), rrd_memory_mode_name(mode));
-
- // update host tags
- rrdhost_init_tags(host, tags);
- }
-
- rrdhost_cleanup_orphan_hosts_nolock(host);
-
- rrd_unlock();
-
- return host;
-}
-
-inline int rrdhost_should_be_removed(RRDHOST *host, RRDHOST *protected, time_t now) {
- if(host != protected
- && host != localhost
- && rrdhost_flag_check(host, RRDHOST_FLAG_ORPHAN)
- && !host->connected_senders
- && host->senders_disconnected_time
- && host->senders_disconnected_time + rrdhost_free_orphan_time < now)
- return 1;
-
- return 0;
-}
-
-void rrdhost_cleanup_orphan_hosts_nolock(RRDHOST *protected) {
- time_t now = now_realtime_sec();
-
- RRDHOST *host;
-
-restart_after_removal:
- rrdhost_foreach_write(host) {
- if(rrdhost_should_be_removed(host, protected, now)) {
- info("Host '%s' with machine guid '%s' is obsolete - cleaning up.", host->hostname, host->machine_guid);
-
- if(rrdhost_flag_check(host, RRDHOST_FLAG_DELETE_ORPHAN_HOST))
- rrdhost_delete_charts(host);
- else
- rrdhost_save_charts(host);
-
- rrdhost_free(host);
- goto restart_after_removal;
- }
- }
-}
-
-// ----------------------------------------------------------------------------
-// RRDHOST global / startup initialization
-
-void rrd_init(char *hostname) {
- rrdset_free_obsolete_time = config_get_number(CONFIG_SECTION_GLOBAL, "cleanup obsolete charts after seconds", rrdset_free_obsolete_time);
- gap_when_lost_iterations_above = (int)config_get_number(CONFIG_SECTION_GLOBAL, "gap when lost iterations above", gap_when_lost_iterations_above);
- if(gap_when_lost_iterations_above < 1)
- gap_when_lost_iterations_above = 1;
-
- health_init();
- registry_init();
- rrdpush_init();
-
- debug(D_RRDHOST, "Initializing localhost with hostname '%s'", hostname);
- rrd_wrlock();
- localhost = rrdhost_create(
- hostname
- , registry_get_this_machine_hostname()
- , registry_get_this_machine_guid()
- , os_type
- , netdata_configured_timezone
- , config_get(CONFIG_SECTION_BACKEND, "host tags", "")
- , program_name
- , program_version
- , default_rrd_update_every
- , default_rrd_history_entries
- , default_rrd_memory_mode
- , default_health_enabled
- , default_rrdpush_enabled
- , default_rrdpush_destination
- , default_rrdpush_api_key
- , 1
- );
- rrd_unlock();
-}
-
-// ----------------------------------------------------------------------------
-// RRDHOST - lock validations
-// there are only used when NETDATA_INTERNAL_CHECKS is set
-
-void __rrdhost_check_rdlock(RRDHOST *host, const char *file, const char *function, const unsigned long line) {
- debug(D_RRDHOST, "Checking read lock on host '%s'", host->hostname);
-
- int ret = netdata_rwlock_trywrlock(&host->rrdhost_rwlock);
- if(ret == 0)
- fatal("RRDHOST '%s' should be read-locked, but it is not, at function %s() at line %lu of file '%s'", host->hostname, function, line, file);
-}
-
-void __rrdhost_check_wrlock(RRDHOST *host, const char *file, const char *function, const unsigned long line) {
- debug(D_RRDHOST, "Checking write lock on host '%s'", host->hostname);
-
- int ret = netdata_rwlock_tryrdlock(&host->rrdhost_rwlock);
- if(ret == 0)
- fatal("RRDHOST '%s' should be write-locked, but it is not, at function %s() at line %lu of file '%s'", host->hostname, function, line, file);
-}
-
-void __rrd_check_rdlock(const char *file, const char *function, const unsigned long line) {
- debug(D_RRDHOST, "Checking read lock on all RRDs");
-
- int ret = netdata_rwlock_trywrlock(&rrd_rwlock);
- if(ret == 0)
- fatal("RRDs should be read-locked, but it are not, at function %s() at line %lu of file '%s'", function, line, file);
-}
-
-void __rrd_check_wrlock(const char *file, const char *function, const unsigned long line) {
- debug(D_RRDHOST, "Checking write lock on all RRDs");
-
- int ret = netdata_rwlock_tryrdlock(&rrd_rwlock);
- if(ret == 0)
- fatal("RRDs should be write-locked, but it are not, at function %s() at line %lu of file '%s'", function, line, file);
-}
-
-// ----------------------------------------------------------------------------
-// RRDHOST - free
-
-void rrdhost_free(RRDHOST *host) {
- if(!host) return;
-
- info("Freeing all memory for host '%s'...", host->hostname);
-
- rrd_check_wrlock(); // make sure the RRDs are write locked
-
- // stop a possibly running thread
- rrdpush_sender_thread_stop(host);
-
- rrdhost_wrlock(host); // lock this RRDHOST
-
- // ------------------------------------------------------------------------
- // release its children resources
-
- while(host->rrdset_root)
- rrdset_free(host->rrdset_root);
-
- while(host->alarms)
- rrdcalc_unlink_and_free(host, host->alarms);
-
- while(host->templates)
- rrdcalctemplate_unlink_and_free(host, host->templates);
-
- debug(D_RRD_CALLS, "RRDHOST: Cleaning up remaining host variables for host '%s'", host->hostname);
- rrdvar_free_remaining_variables(host, &host->rrdvar_root_index);
-
- health_alarm_log_free(host);
-
- // ------------------------------------------------------------------------
- // remove it from the indexes
-
- if(rrdhost_index_del(host) != host)
- error("RRDHOST '%s' removed from index, deleted the wrong entry.", host->hostname);
-
-
- // ------------------------------------------------------------------------
- // unlink it from the host
-
- if(host == localhost) {
- localhost = host->next;
- }
- else {
- // find the previous one
- RRDHOST *h;
- for(h = localhost; h && h->next != host ; h = h->next) ;
-
- // bypass it
- if(h) h->next = host->next;
- else error("Request to free RRDHOST '%s': cannot find it", host->hostname);
- }
-
- // ------------------------------------------------------------------------
- // free it
-
- freez((void *)host->tags);
- freez((void *)host->os);
- freez((void *)host->timezone);
- freez(host->program_version);
- freez(host->program_name);
- freez(host->cache_dir);
- freez(host->varlib_dir);
- freez(host->rrdpush_send_api_key);
- freez(host->rrdpush_send_destination);
- freez(host->health_default_exec);
- freez(host->health_default_recipient);
- freez(host->health_log_filename);
- freez(host->hostname);
- freez(host->registry_hostname);
- rrdhost_unlock(host);
- netdata_rwlock_destroy(&host->health_log.alarm_log_rwlock);
- netdata_rwlock_destroy(&host->rrdhost_rwlock);
- freez(host);
-
- rrd_hosts_available--;
-}
-
-void rrdhost_free_all(void) {
- rrd_wrlock();
- while(localhost) rrdhost_free(localhost);
- rrd_unlock();
-}
-
-// ----------------------------------------------------------------------------
-// RRDHOST - save host files
-
-void rrdhost_save_charts(RRDHOST *host) {
- if(!host) return;
-
- info("Saving/Closing database of host '%s'...", host->hostname);
-
- RRDSET *st;
-
- // we get a write lock
- // to ensure only one thread is saving the database
- rrdhost_wrlock(host);
-
- rrdset_foreach_write(st, host) {
- rrdset_rdlock(st);
- rrdset_save(st);
- rrdset_unlock(st);
- }
-
- rrdhost_unlock(host);
-}
-
-// ----------------------------------------------------------------------------
-// RRDHOST - delete host files
-
-void rrdhost_delete_charts(RRDHOST *host) {
- if(!host) return;
-
- info("Deleting database of host '%s'...", host->hostname);
-
- RRDSET *st;
-
- // we get a write lock
- // to ensure only one thread is saving the database
- rrdhost_wrlock(host);
-
- rrdset_foreach_write(st, host) {
- rrdset_rdlock(st);
- rrdset_delete(st);
- rrdset_unlock(st);
- }
-
- recursively_delete_dir(host->cache_dir, "left over host");
-
- rrdhost_unlock(host);
-}
-
-// ----------------------------------------------------------------------------
-// RRDHOST - cleanup host files
-
-void rrdhost_cleanup_charts(RRDHOST *host) {
- if(!host) return;
-
- info("Cleaning up database of host '%s'...", host->hostname);
-
- RRDSET *st;
- uint32_t rrdhost_delete_obsolete_charts = rrdhost_flag_check(host, RRDHOST_FLAG_DELETE_OBSOLETE_CHARTS);
-
- // we get a write lock
- // to ensure only one thread is saving the database
- rrdhost_wrlock(host);
-
- rrdset_foreach_write(st, host) {
- rrdset_rdlock(st);
-
- if(rrdhost_delete_obsolete_charts && rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE))
- rrdset_delete(st);
- else
- rrdset_save(st);
-
- rrdset_unlock(st);
- }
-
- rrdhost_unlock(host);
-}
-
-
-// ----------------------------------------------------------------------------
-// RRDHOST - save all hosts to disk
-
-void rrdhost_save_all(void) {
- info("Saving database [%zu hosts(s)]...", rrd_hosts_available);
-
- rrd_rdlock();
-
- RRDHOST *host;
- rrdhost_foreach_read(host)
- rrdhost_save_charts(host);
-
- rrd_unlock();
-}
-
-// ----------------------------------------------------------------------------
-// RRDHOST - save or delete all hosts from disk
-
-void rrdhost_cleanup_all(void) {
- info("Cleaning up database [%zu hosts(s)]...", rrd_hosts_available);
-
- rrd_rdlock();
-
- RRDHOST *host;
- rrdhost_foreach_read(host) {
- if(host != localhost && rrdhost_flag_check(host, RRDHOST_FLAG_DELETE_OBSOLETE_CHARTS) && !host->connected_senders)
- rrdhost_delete_charts(host);
- else
- rrdhost_cleanup_charts(host);
- }
-
- rrd_unlock();
-}
-
-
-// ----------------------------------------------------------------------------
-// RRDHOST - save or delete all the host charts from disk
-
-void rrdhost_cleanup_obsolete_charts(RRDHOST *host) {
- time_t now = now_realtime_sec();
-
- RRDSET *st;
-
- uint32_t rrdhost_delete_obsolete_charts = rrdhost_flag_check(host, RRDHOST_FLAG_DELETE_OBSOLETE_CHARTS);
-
-restart_after_removal:
- rrdset_foreach_write(st, host) {
- if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE)
- && st->last_accessed_time + rrdset_free_obsolete_time < now
- && st->last_updated.tv_sec + rrdset_free_obsolete_time < now
- && st->last_collected_time.tv_sec + rrdset_free_obsolete_time < now
- )) {
-
- rrdset_rdlock(st);
-
- if(rrdhost_delete_obsolete_charts)
- rrdset_delete(st);
- else
- rrdset_save(st);
-
- rrdset_unlock(st);
-
- rrdset_free(st);
- goto restart_after_removal;
- }
- }
-}