Merging upstream version 1.11.0+dfsg.

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

1 files changed, 0 insertions, 424 deletions

diff --git a/src/rrdcalc.c b/src/rrdcalc.c
deleted file mode 100644
index 4e41539e2..000000000
--- a/src/rrdcalc.c
+++ /dev/null
@@ -1,424 +0,0 @@
-#define NETDATA_HEALTH_INTERNALS
-#include "common.h"
-
-// ----------------------------------------------------------------------------
-// RRDCALC management
-
-inline const char *rrdcalc_status2string(RRDCALC_STATUS status) {
-    switch(status) {
-        case RRDCALC_STATUS_REMOVED:
-            return "REMOVED";
-
-        case RRDCALC_STATUS_UNDEFINED:
-            return "UNDEFINED";
-
-        case RRDCALC_STATUS_UNINITIALIZED:
-            return "UNINITIALIZED";
-
-        case RRDCALC_STATUS_CLEAR:
-            return "CLEAR";
-
-        case RRDCALC_STATUS_RAISED:
-            return "RAISED";
-
-        case RRDCALC_STATUS_WARNING:
-            return "WARNING";
-
-        case RRDCALC_STATUS_CRITICAL:
-            return "CRITICAL";
-
-        default:
-            error("Unknown alarm status %d", status);
-            return "UNKNOWN";
-    }
-}
-
-static void rrdsetcalc_link(RRDSET *st, RRDCALC *rc) {
-    RRDHOST *host = st->rrdhost;
-
-    debug(D_HEALTH, "Health linking alarm '%s.%s' to chart '%s' of host '%s'", rc->chart?rc->chart:"NOCHART", rc->name, st->id, host->hostname);
-
-    rc->last_status_change = now_realtime_sec();
-    rc->rrdset = st;
-
-    rc->rrdset_next = st->alarms;
-    rc->rrdset_prev = NULL;
-
-    if(rc->rrdset_next)
-        rc->rrdset_next->rrdset_prev = rc;
-
-    st->alarms = rc;
-
-    if(rc->update_every < rc->rrdset->update_every) {
-        error("Health alarm '%s.%s' has update every %d, less than chart update every %d. Setting alarm update frequency to %d.", rc->rrdset->id, rc->name, rc->update_every, rc->rrdset->update_every, rc->rrdset->update_every);
-        rc->update_every = rc->rrdset->update_every;
-    }
-
-    if(!isnan(rc->green) && isnan(st->green)) {
-        debug(D_HEALTH, "Health alarm '%s.%s' green threshold set from " CALCULATED_NUMBER_FORMAT_AUTO " to " CALCULATED_NUMBER_FORMAT_AUTO ".", rc->rrdset->id, rc->name, rc->rrdset->green, rc->green);
-        st->green = rc->green;
-    }
-
-    if(!isnan(rc->red) && isnan(st->red)) {
-        debug(D_HEALTH, "Health alarm '%s.%s' red threshold set from " CALCULATED_NUMBER_FORMAT_AUTO " to " CALCULATED_NUMBER_FORMAT_AUTO ".", rc->rrdset->id, rc->name, rc->rrdset->red, rc->red);
-        st->red = rc->red;
-    }
-
-    rc->local  = rrdvar_create_and_index("local",  &st->rrdvar_root_index, rc->name, RRDVAR_TYPE_CALCULATED, &rc->value);
-    rc->family = rrdvar_create_and_index("family", &st->rrdfamily->rrdvar_root_index, rc->name, RRDVAR_TYPE_CALCULATED, &rc->value);
-
-    char fullname[RRDVAR_MAX_LENGTH + 1];
-    snprintfz(fullname, RRDVAR_MAX_LENGTH, "%s.%s", st->id, rc->name);
-    rc->hostid   = rrdvar_create_and_index("host", &host->rrdvar_root_index, fullname, RRDVAR_TYPE_CALCULATED, &rc->value);
-
-    snprintfz(fullname, RRDVAR_MAX_LENGTH, "%s.%s", st->name, rc->name);
-    rc->hostname = rrdvar_create_and_index("host", &host->rrdvar_root_index, fullname, RRDVAR_TYPE_CALCULATED, &rc->value);
-
-    if(!rc->units) rc->units = strdupz(st->units);
-
-    {
-        time_t now = now_realtime_sec();
-        health_alarm_log(
-                host,
-                rc->id,
-                rc->next_event_id++,
-                now,
-                rc->name,
-                rc->rrdset->id,
-                rc->rrdset->family,
-                rc->exec,
-                rc->recipient,
-                now - rc->last_status_change,
-                rc->old_value,
-                rc->value,
-                rc->status,
-                RRDCALC_STATUS_UNINITIALIZED,
-                rc->source,
-                rc->units,
-                rc->info,
-                0,
-                0
-        );
-    }
-}
-
-static inline int rrdcalc_is_matching_this_rrdset(RRDCALC *rc, RRDSET *st) {
-    if(     (rc->hash_chart == st->hash      && !strcmp(rc->chart, st->id)) ||
-            (rc->hash_chart == st->hash_name && !strcmp(rc->chart, st->name)))
-        return 1;
-
-    return 0;
-}
-
-// this has to be called while the RRDHOST is locked
-inline void rrdsetcalc_link_matching(RRDSET *st) {
-    RRDHOST *host = st->rrdhost;
-    // debug(D_HEALTH, "find matching alarms for chart '%s'", st->id);
-
-    RRDCALC *rc;
-    for(rc = host->alarms; rc ; rc = rc->next) {
-        if(unlikely(rc->rrdset))
-            continue;
-
-        if(unlikely(rrdcalc_is_matching_this_rrdset(rc, st)))
-            rrdsetcalc_link(st, rc);
-    }
-}
-
-// this has to be called while the RRDHOST is locked
-inline void rrdsetcalc_unlink(RRDCALC *rc) {
-    RRDSET *st = rc->rrdset;
-
-    if(!st) {
-        debug(D_HEALTH, "Requested to unlink RRDCALC '%s.%s' which is not linked to any RRDSET", rc->chart?rc->chart:"NOCHART", rc->name);
-        error("Requested to unlink RRDCALC '%s.%s' which is not linked to any RRDSET", rc->chart?rc->chart:"NOCHART", rc->name);
-        return;
-    }
-
-    RRDHOST *host = st->rrdhost;
-
-    {
-        time_t now = now_realtime_sec();
-        health_alarm_log(
-                host,
-                rc->id,
-                rc->next_event_id++,
-                now,
-                rc->name,
-                rc->rrdset->id,
-                rc->rrdset->family,
-                rc->exec,
-                rc->recipient,
-                now - rc->last_status_change,
-                rc->old_value,
-                rc->value,
-                rc->status,
-                RRDCALC_STATUS_REMOVED,
-                rc->source,
-                rc->units,
-                rc->info,
-                0,
-                0
-        );
-    }
-
-    debug(D_HEALTH, "Health unlinking alarm '%s.%s' from chart '%s' of host '%s'", rc->chart?rc->chart:"NOCHART", rc->name, st->id, host->hostname);
-
-    // unlink it
-    if(rc->rrdset_prev)
-        rc->rrdset_prev->rrdset_next = rc->rrdset_next;
-
-    if(rc->rrdset_next)
-        rc->rrdset_next->rrdset_prev = rc->rrdset_prev;
-
-    if(st->alarms == rc)
-        st->alarms = rc->rrdset_next;
-
-    rc->rrdset_prev = rc->rrdset_next = NULL;
-
-    rrdvar_free(host, &st->rrdvar_root_index, rc->local);
-    rc->local = NULL;
-
-    rrdvar_free(host, &st->rrdfamily->rrdvar_root_index, rc->family);
-    rc->family = NULL;
-
-    rrdvar_free(host, &host->rrdvar_root_index, rc->hostid);
-    rc->hostid = NULL;
-
-    rrdvar_free(host, &host->rrdvar_root_index, rc->hostname);
-    rc->hostname = NULL;
-
-    rc->rrdset = NULL;
-
-    // RRDCALC will remain in RRDHOST
-    // so that if the matching chart is found in the future
-    // it will be applied automatically
-}
-
-RRDCALC *rrdcalc_find(RRDSET *st, const char *name) {
-    RRDCALC *rc;
-    uint32_t hash = simple_hash(name);
-
-    for( rc = st->alarms; rc ; rc = rc->rrdset_next ) {
-        if(unlikely(rc->hash == hash && !strcmp(rc->name, name)))
-            return rc;
-    }
-
-    return NULL;
-}
-
-inline int rrdcalc_exists(RRDHOST *host, const char *chart, const char *name, uint32_t hash_chart, uint32_t hash_name) {
-    RRDCALC *rc;
-
-    if(unlikely(!chart)) {
-        error("attempt to find RRDCALC '%s' without giving a chart name", name);
-        return 1;
-    }
-
-    if(unlikely(!hash_chart)) hash_chart = simple_hash(chart);
-    if(unlikely(!hash_name))  hash_name  = simple_hash(name);
-
-    // make sure it does not already exist
-    for(rc = host->alarms; rc ; rc = rc->next) {
-        if (unlikely(rc->chart && rc->hash == hash_name && rc->hash_chart == hash_chart && !strcmp(name, rc->name) && !strcmp(chart, rc->chart))) {
-            debug(D_HEALTH, "Health alarm '%s.%s' already exists in host '%s'.", chart, name, host->hostname);
-            info("Health alarm '%s.%s' already exists in host '%s'.", chart, name, host->hostname);
-            return 1;
-        }
-    }
-
-    return 0;
-}
-
-inline uint32_t rrdcalc_get_unique_id(RRDHOST *host, const char *chart, const char *name, uint32_t *next_event_id) {
-    if(chart && name) {
-        uint32_t hash_chart = simple_hash(chart);
-        uint32_t hash_name = simple_hash(name);
-
-        // re-use old IDs, by looking them up in the alarm log
-        ALARM_ENTRY *ae;
-        for(ae = host->health_log.alarms; ae ;ae = ae->next) {
-            if(unlikely(ae->hash_name == hash_name && ae->hash_chart == hash_chart && !strcmp(name, ae->name) && !strcmp(chart, ae->chart))) {
-                if(next_event_id) *next_event_id = ae->alarm_event_id + 1;
-                return ae->alarm_id;
-            }
-        }
-    }
-
-    return host->health_log.next_alarm_id++;
-}
-
-inline void rrdcalc_create_part2(RRDHOST *host, RRDCALC *rc) {
-    rrdhost_check_rdlock(host);
-
-    if(rc->calculation) {
-        rc->calculation->status = &rc->status;
-        rc->calculation->this = &rc->value;
-        rc->calculation->after = &rc->db_after;
-        rc->calculation->before = &rc->db_before;
-        rc->calculation->rrdcalc = rc;
-    }
-
-    if(rc->warning) {
-        rc->warning->status = &rc->status;
-        rc->warning->this = &rc->value;
-        rc->warning->after = &rc->db_after;
-        rc->warning->before = &rc->db_before;
-        rc->warning->rrdcalc = rc;
-    }
-
-    if(rc->critical) {
-        rc->critical->status = &rc->status;
-        rc->critical->this = &rc->value;
-        rc->critical->after = &rc->db_after;
-        rc->critical->before = &rc->db_before;
-        rc->critical->rrdcalc = rc;
-    }
-
-    // link it to the host
-    if(likely(host->alarms)) {
-        // append it
-        RRDCALC *t;
-        for(t = host->alarms; t && t->next ; t = t->next) ;
-        t->next = rc;
-    }
-    else {
-        host->alarms = rc;
-    }
-
-    // link it to its chart
-    RRDSET *st;
-    rrdset_foreach_read(st, host) {
-        if(rrdcalc_is_matching_this_rrdset(rc, st)) {
-            rrdsetcalc_link(st, rc);
-            break;
-        }
-    }
-}
-
-inline RRDCALC *rrdcalc_create(RRDHOST *host, RRDCALCTEMPLATE *rt, const char *chart) {
-
-    debug(D_HEALTH, "Health creating dynamic alarm (from template) '%s.%s'", chart, rt->name);
-
-    if(rrdcalc_exists(host, chart, rt->name, 0, 0))
-        return NULL;
-
-    RRDCALC *rc = callocz(1, sizeof(RRDCALC));
-    rc->next_event_id = 1;
-    rc->id = rrdcalc_get_unique_id(host, chart, rt->name, &rc->next_event_id);
-    rc->name = strdupz(rt->name);
-    rc->hash = simple_hash(rc->name);
-    rc->chart = strdupz(chart);
-    rc->hash_chart = simple_hash(rc->chart);
-
-    if(rt->dimensions) rc->dimensions = strdupz(rt->dimensions);
-
-    rc->green = rt->green;
-    rc->red = rt->red;
-    rc->value = NAN;
-    rc->old_value = NAN;
-
-    rc->delay_up_duration = rt->delay_up_duration;
-    rc->delay_down_duration = rt->delay_down_duration;
-    rc->delay_max_duration = rt->delay_max_duration;
-    rc->delay_multiplier = rt->delay_multiplier;
-
-    rc->group = rt->group;
-    rc->after = rt->after;
-    rc->before = rt->before;
-    rc->update_every = rt->update_every;
-    rc->options = rt->options;
-
-    if(rt->exec) rc->exec = strdupz(rt->exec);
-    if(rt->recipient) rc->recipient = strdupz(rt->recipient);
-    if(rt->source) rc->source = strdupz(rt->source);
-    if(rt->units) rc->units = strdupz(rt->units);
-    if(rt->info) rc->info = strdupz(rt->info);
-
-    if(rt->calculation) {
-        rc->calculation = expression_parse(rt->calculation->source, NULL, NULL);
-        if(!rc->calculation)
-            error("Health alarm '%s.%s': failed to parse calculation expression '%s'", chart, rt->name, rt->calculation->source);
-    }
-    if(rt->warning) {
-        rc->warning = expression_parse(rt->warning->source, NULL, NULL);
-        if(!rc->warning)
-            error("Health alarm '%s.%s': failed to re-parse warning expression '%s'", chart, rt->name, rt->warning->source);
-    }
-    if(rt->critical) {
-        rc->critical = expression_parse(rt->critical->source, NULL, NULL);
-        if(!rc->critical)
-            error("Health alarm '%s.%s': failed to re-parse critical expression '%s'", chart, rt->name, rt->critical->source);
-    }
-
-    debug(D_HEALTH, "Health runtime added alarm '%s.%s': exec '%s', recipient '%s', green " CALCULATED_NUMBER_FORMAT_AUTO ", red " CALCULATED_NUMBER_FORMAT_AUTO ", lookup: group %d, after %d, before %d, options %u, dimensions '%s', update every %d, calculation '%s', warning '%s', critical '%s', source '%s', delay up %d, delay down %d, delay max %d, delay_multiplier %f",
-            (rc->chart)?rc->chart:"NOCHART",
-            rc->name,
-            (rc->exec)?rc->exec:"DEFAULT",
-            (rc->recipient)?rc->recipient:"DEFAULT",
-            rc->green,
-            rc->red,
-            rc->group,
-            rc->after,
-            rc->before,
-            rc->options,
-            (rc->dimensions)?rc->dimensions:"NONE",
-            rc->update_every,
-            (rc->calculation)?rc->calculation->parsed_as:"NONE",
-            (rc->warning)?rc->warning->parsed_as:"NONE",
-            (rc->critical)?rc->critical->parsed_as:"NONE",
-            rc->source,
-            rc->delay_up_duration,
-            rc->delay_down_duration,
-            rc->delay_max_duration,
-            rc->delay_multiplier
-    );
-
-    rrdcalc_create_part2(host, rc);
-    return rc;
-}
-
-void rrdcalc_free(RRDCALC *rc) {
-    if(unlikely(!rc)) return;
-
-    expression_free(rc->calculation);
-    expression_free(rc->warning);
-    expression_free(rc->critical);
-
-    freez(rc->name);
-    freez(rc->chart);
-    freez(rc->family);
-    freez(rc->dimensions);
-    freez(rc->exec);
-    freez(rc->recipient);
-    freez(rc->source);
-    freez(rc->units);
-    freez(rc->info);
-    freez(rc);
-}
-
-void rrdcalc_unlink_and_free(RRDHOST *host, RRDCALC *rc) {
-    if(unlikely(!rc)) return;
-
-    debug(D_HEALTH, "Health removing alarm '%s.%s' of host '%s'", rc->chart?rc->chart:"NOCHART", rc->name, host->hostname);
-
-    // unlink it from RRDSET
-    if(rc->rrdset) rrdsetcalc_unlink(rc);
-
-    // unlink it from RRDHOST
-    if(unlikely(rc == host->alarms))
-        host->alarms = rc->next;
-
-    else {
-        RRDCALC *t;
-        for(t = host->alarms; t && t->next != rc; t = t->next) ;
-        if(t) {
-            t->next = rc->next;
-            rc->next = NULL;
-        }
-        else
-            error("Cannot unlink alarm '%s.%s' from host '%s': not found", rc->chart?rc->chart:"NOCHART", rc->name, host->hostname);
-    }
-
-    rrdcalc_free(rc);
-}