Merging upstream version 1.11.0+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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;
-        }
-    }
-}