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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 11:19:16 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-24 09:53:24 +0000 |
commit | b5f8ee61a7f7e9bd291dd26b0585d03eb686c941 (patch) | |
tree | d4d31289c39fc00da064a825df13a0b98ce95b10 /collectors/statsd.plugin/statsd.c | |
parent | Adding upstream version 1.44.3. (diff) | |
download | netdata-b5f8ee61a7f7e9bd291dd26b0585d03eb686c941.tar.xz netdata-b5f8ee61a7f7e9bd291dd26b0585d03eb686c941.zip |
Adding upstream version 1.46.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | collectors/statsd.plugin/statsd.c | 2893 |
1 files changed, 0 insertions, 2893 deletions
diff --git a/collectors/statsd.plugin/statsd.c b/collectors/statsd.plugin/statsd.c deleted file mode 100644 index 9cc3a9d97..000000000 --- a/collectors/statsd.plugin/statsd.c +++ /dev/null @@ -1,2893 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#include "daemon/common.h" - -#define STATSD_CHART_PREFIX "statsd" - -#define PLUGIN_STATSD_NAME "statsd.plugin" - -#define STATSD_LISTEN_PORT 8125 -#define STATSD_LISTEN_BACKLOG 4096 - -#define WORKER_JOB_TYPE_TCP_CONNECTED 0 -#define WORKER_JOB_TYPE_TCP_DISCONNECTED 1 -#define WORKER_JOB_TYPE_RCV_DATA 2 -#define WORKER_JOB_TYPE_SND_DATA 3 - -#if WORKER_UTILIZATION_MAX_JOB_TYPES < 4 -#error Please increase WORKER_UTILIZATION_MAX_JOB_TYPES to at least 4 -#endif - -// -------------------------------------------------------------------------------------- - -// DO NOT ENABLE MULTITHREADING - IT IS NOT WELL TESTED -// #define STATSD_MULTITHREADED 1 - -#define STATSD_DICTIONARY_OPTIONS (DICT_OPTION_DONT_OVERWRITE_VALUE | DICT_OPTION_ADD_IN_FRONT) -#define STATSD_DECIMAL_DETAIL 1000 // floating point values get multiplied by this, with the same divisor - -// -------------------------------------------------------------------------------------------------------------------- -// data specific to each metric type - -typedef struct statsd_metric_gauge { - NETDATA_DOUBLE value; -} STATSD_METRIC_GAUGE; - -typedef struct statsd_metric_counter { // counter and meter - collected_number value; -} STATSD_METRIC_COUNTER; - -typedef struct statsd_histogram_extensions { - netdata_mutex_t mutex; - - // average is stored in metric->last - collected_number last_min; - collected_number last_max; - collected_number last_percentile; - collected_number last_median; - collected_number last_stddev; - collected_number last_sum; - - int zeroed; - - RRDDIM *rd_min; - RRDDIM *rd_max; - RRDDIM *rd_percentile; - RRDDIM *rd_median; - RRDDIM *rd_stddev; - //RRDDIM *rd_sum; - - uint32_t size; - uint32_t used; - NETDATA_DOUBLE *values; // dynamic array of values collected -} STATSD_METRIC_HISTOGRAM_EXTENSIONS; - -typedef struct statsd_metric_histogram { // histogram and timer - STATSD_METRIC_HISTOGRAM_EXTENSIONS *ext; -} STATSD_METRIC_HISTOGRAM; - -typedef struct statsd_metric_set { - DICTIONARY *dict; -} STATSD_METRIC_SET; - -typedef struct statsd_metric_dictionary_item { - uint32_t count; - RRDDIM *rd; -} STATSD_METRIC_DICTIONARY_ITEM; - -typedef struct statsd_metric_dictionary { - DICTIONARY *dict; -} STATSD_METRIC_DICTIONARY; - - -// -------------------------------------------------------------------------------------------------------------------- -// this is a metric - for all types of metrics - -typedef enum __attribute__((packed)) statsd_metric_options { - STATSD_METRIC_OPTION_NONE = 0x00000000, // no options set - STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED = 0x00000001, // do not update the chart dimension, when this metric is not collected - STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED = 0x00000002, // render a private chart for this metric - STATSD_METRIC_OPTION_PRIVATE_CHART_CHECKED = 0x00000004, // the metric has been checked if it should get private chart or not - STATSD_METRIC_OPTION_CHART_DIMENSION_COUNT = 0x00000008, // show the count of events for this private chart - STATSD_METRIC_OPTION_CHECKED_IN_APPS = 0x00000010, // set when this metric has been checked against apps - STATSD_METRIC_OPTION_USED_IN_APPS = 0x00000020, // set when this metric is used in apps - STATSD_METRIC_OPTION_CHECKED = 0x00000040, // set when the charting thread checks this metric for use in charts (its usefulness) - STATSD_METRIC_OPTION_USEFUL = 0x00000080, // set when the charting thread finds the metric useful (i.e. used in a chart) - STATSD_METRIC_OPTION_COLLECTION_FULL_LOGGED = 0x00000100, // set when the collection is full for this metric - STATSD_METRIC_OPTION_UPDATED_CHART_METADATA = 0x00000200, // set when the private chart metadata have been updated via tags - STATSD_METRIC_OPTION_OBSOLETE = 0x00004000, // set when the metric is obsoleted -} STATS_METRIC_OPTIONS; - -typedef enum __attribute__((packed)) statsd_metric_type { - STATSD_METRIC_TYPE_GAUGE, - STATSD_METRIC_TYPE_COUNTER, - STATSD_METRIC_TYPE_METER, - STATSD_METRIC_TYPE_TIMER, - STATSD_METRIC_TYPE_HISTOGRAM, - STATSD_METRIC_TYPE_SET, - STATSD_METRIC_TYPE_DICTIONARY -} STATSD_METRIC_TYPE; - - -typedef struct statsd_metric { - const char *name; // the name of the metric - linked to dictionary name - uint32_t hash; // hash of the name - - STATSD_METRIC_TYPE type; - - // metadata about data collection - collected_number events; // the number of times this metric has been collected (never resets) - uint32_t count; // the number of times this metric has been collected since the last flush - time_t last_collected; // timestamp of the last incoming value - - // the actual collected data - union { - STATSD_METRIC_GAUGE gauge; - STATSD_METRIC_COUNTER counter; - STATSD_METRIC_HISTOGRAM histogram; - STATSD_METRIC_SET set; - STATSD_METRIC_DICTIONARY dictionary; - }; - - char *units; - char *dimname; - char *family; - - // chart related members - STATS_METRIC_OPTIONS options; // STATSD_METRIC_OPTION_* (bitfield) - char reset; // set to 1 by the charting thread to instruct the collector thread(s) to reset this metric - collected_number last; // the last value sent to netdata - RRDSET *st; // the private chart of this metric - RRDDIM *rd_value; // the dimension of this metric value - RRDDIM *rd_count; // the dimension for the number of events received - - // linking, used for walking through all metrics - struct statsd_metric *next_useful; -} STATSD_METRIC; - - -// -------------------------------------------------------------------------------------------------------------------- -// each type of metric has its own index - -typedef struct statsd_index { - char *name; // the name of the index of metrics - uint32_t events; // the number of events processed for this index - uint32_t metrics; // the number of metrics in this index - uint32_t useful; // the number of useful metrics in this index - - STATS_METRIC_OPTIONS default_options; // default options for all metrics in this index - STATSD_METRIC_TYPE type; // the type of index - DICTIONARY *dict; - - STATSD_METRIC *first_useful; // the linked list of useful metrics (new metrics are added in front) -} STATSD_INDEX; - -// -------------------------------------------------------------------------------------------------------------------- -// synthetic charts - -typedef enum __attribute__((packed)) statsd_app_chart_dimension_value_type { - STATSD_APP_CHART_DIM_VALUE_TYPE_EVENTS, - STATSD_APP_CHART_DIM_VALUE_TYPE_LAST, - STATSD_APP_CHART_DIM_VALUE_TYPE_AVERAGE, - STATSD_APP_CHART_DIM_VALUE_TYPE_SUM, - STATSD_APP_CHART_DIM_VALUE_TYPE_MIN, - STATSD_APP_CHART_DIM_VALUE_TYPE_MAX, - STATSD_APP_CHART_DIM_VALUE_TYPE_PERCENTILE, - STATSD_APP_CHART_DIM_VALUE_TYPE_MEDIAN, - STATSD_APP_CHART_DIM_VALUE_TYPE_STDDEV -} STATSD_APP_CHART_DIM_VALUE_TYPE; - -typedef struct statsd_app_chart_dimension { - const char *name; // the name of this dimension - const char *metric; // the source metric name of this dimension - uint32_t metric_hash; // hash for fast string comparisons - - int32_t multiplier; // the multiplier of the dimension - int32_t divisor; // the divisor of the dimension - RRDDIM_FLAGS flags; // the RRDDIM flags for this dimension - RRDDIM_OPTIONS options; // the RRDDIM options for this dimension - RRD_ALGORITHM algorithm; // the algorithm of this dimension - - STATSD_APP_CHART_DIM_VALUE_TYPE value_type; // which value to use of the source metric - - SIMPLE_PATTERN *metric_pattern; // set when the 'metric' is a simple pattern - - RRDDIM *rd; // a pointer to the RRDDIM that has been created for this dimension - collected_number *value_ptr; // a pointer to the source metric value - - struct statsd_app_chart_dimension *next; // the next dimension for this chart -} STATSD_APP_CHART_DIM; - -typedef struct statsd_app_chart { - const char *id; - const char *name; - const char *title; - const char *family; - const char *context; - const char *units; - const char *module; - int32_t priority; - RRDSET_TYPE chart_type; - STATSD_APP_CHART_DIM *dimensions; - uint32_t dimensions_count; - uint32_t dimensions_linked_count; - - RRDSET *st; - struct statsd_app_chart *next; -} STATSD_APP_CHART; - -typedef struct statsd_app { - const char *name; - SIMPLE_PATTERN *metrics; - STATS_METRIC_OPTIONS default_options; - RRD_MEMORY_MODE rrd_memory_mode; - int32_t rrd_history_entries; - DICTIONARY *dict; - - const char *source; - STATSD_APP_CHART *charts; - struct statsd_app *next; -} STATSD_APP; - -// -------------------------------------------------------------------------------------------------------------------- -// global statsd data - -struct collection_thread_status { - SPINLOCK spinlock; - bool running; - uint32_t max_sockets; - - netdata_thread_t thread; -}; - -static struct statsd { - STATSD_INDEX gauges; - STATSD_INDEX counters; - STATSD_INDEX timers; - STATSD_INDEX histograms; - STATSD_INDEX meters; - STATSD_INDEX sets; - STATSD_INDEX dictionaries; - - size_t unknown_types; - size_t socket_errors; - size_t tcp_socket_connects; - size_t tcp_socket_disconnects; - size_t tcp_socket_connected; - size_t tcp_socket_reads; - size_t tcp_packets_received; - size_t tcp_bytes_read; - size_t udp_socket_reads; - size_t udp_packets_received; - size_t udp_bytes_read; - - int32_t update_every; - bool enabled; - bool private_charts_hidden; - SIMPLE_PATTERN *charts_for; - - uint32_t tcp_idle_timeout; - collected_number decimal_detail; - uint32_t private_charts; - uint32_t max_private_charts_hard; - uint32_t set_obsolete_after; - - STATSD_APP *apps; - uint32_t recvmmsg_size; - uint32_t histogram_increase_step; - uint32_t dictionary_max_unique; - double histogram_percentile; - char *histogram_percentile_str; - - int threads; - struct collection_thread_status *collection_threads_status; - - LISTEN_SOCKETS sockets; -} statsd = { - .enabled = 1, - .max_private_charts_hard = 1000, - .private_charts_hidden = false, - .recvmmsg_size = 10, - .decimal_detail = STATSD_DECIMAL_DETAIL, - - .gauges = { - .name = "gauge", - .events = 0, - .metrics = 0, - .dict = NULL, - .type = STATSD_METRIC_TYPE_GAUGE, - .default_options = STATSD_METRIC_OPTION_NONE - }, - .counters = { - .name = "counter", - .events = 0, - .metrics = 0, - .dict = NULL, - .type = STATSD_METRIC_TYPE_COUNTER, - .default_options = STATSD_METRIC_OPTION_NONE - }, - .timers = { - .name = "timer", - .events = 0, - .metrics = 0, - .dict = NULL, - .type = STATSD_METRIC_TYPE_TIMER, - .default_options = STATSD_METRIC_OPTION_NONE - }, - .histograms = { - .name = "histogram", - .events = 0, - .metrics = 0, - .dict = NULL, - .type = STATSD_METRIC_TYPE_HISTOGRAM, - .default_options = STATSD_METRIC_OPTION_NONE - }, - .meters = { - .name = "meter", - .events = 0, - .metrics = 0, - .dict = NULL, - .type = STATSD_METRIC_TYPE_METER, - .default_options = STATSD_METRIC_OPTION_NONE - }, - .sets = { - .name = "set", - .events = 0, - .metrics = 0, - .dict = NULL, - .type = STATSD_METRIC_TYPE_SET, - .default_options = STATSD_METRIC_OPTION_NONE - }, - .dictionaries = { - .name = "dictionary", - .events = 0, - .metrics = 0, - .dict = NULL, - .type = STATSD_METRIC_TYPE_DICTIONARY, - .default_options = STATSD_METRIC_OPTION_NONE - }, - - .tcp_idle_timeout = 600, - - .apps = NULL, - .histogram_percentile = 95.0, - .histogram_increase_step = 10, - .dictionary_max_unique = 200, - .threads = 0, - .collection_threads_status = NULL, - .sockets = { - .config = &netdata_config, - .config_section = CONFIG_SECTION_STATSD, - .default_bind_to = "udp:localhost tcp:localhost", - .default_port = STATSD_LISTEN_PORT, - .backlog = STATSD_LISTEN_BACKLOG - }, -}; - - -// -------------------------------------------------------------------------------------------------------------------- -// statsd index management - add/find metrics - -static void dictionary_metric_insert_callback(const DICTIONARY_ITEM *item, void *value, void *data) { - STATSD_INDEX *index = (STATSD_INDEX *)data; - STATSD_METRIC *m = (STATSD_METRIC *)value; - const char *name = dictionary_acquired_item_name(item); - - netdata_log_debug(D_STATSD, "Creating new %s metric '%s'", index->name, name); - - m->name = name; - m->hash = simple_hash(name); - m->type = index->type; - m->options = index->default_options; - - if (m->type == STATSD_METRIC_TYPE_HISTOGRAM || m->type == STATSD_METRIC_TYPE_TIMER) { - m->histogram.ext = callocz(1,sizeof(STATSD_METRIC_HISTOGRAM_EXTENSIONS)); - netdata_mutex_init(&m->histogram.ext->mutex); - } - - __atomic_fetch_add(&index->metrics, 1, __ATOMIC_RELAXED); -} - -static void dictionary_metric_delete_callback(const DICTIONARY_ITEM *item, void *value, void *data) { - (void)data; // STATSD_INDEX *index = (STATSD_INDEX *)data; - (void)item; - STATSD_METRIC *m = (STATSD_METRIC *)value; - - if(m->type == STATSD_METRIC_TYPE_HISTOGRAM || m->type == STATSD_METRIC_TYPE_TIMER) { - freez(m->histogram.ext); - m->histogram.ext = NULL; - } - - freez(m->units); - freez(m->family); - freez(m->dimname); -} - -static inline STATSD_METRIC *statsd_find_or_add_metric(STATSD_INDEX *index, const char *name) { - netdata_log_debug(D_STATSD, "searching for metric '%s' under '%s'", name, index->name); - -#ifdef STATSD_MULTITHREADED - // avoid the write lock of dictionary_set() for existing metrics - STATSD_METRIC *m = dictionary_get(index->dict, name); - if(!m) m = dictionary_set(index->dict, name, NULL, sizeof(STATSD_METRIC)); -#else - // no locks here, go faster - // this will call the dictionary_metric_insert_callback() if an item - // is inserted, otherwise it will return the existing one. - // We used the flag DICT_OPTION_DONT_OVERWRITE_VALUE to support this. - STATSD_METRIC *m = dictionary_set(index->dict, name, NULL, sizeof(STATSD_METRIC)); -#endif - - index->events++; - return m; -} - - -// -------------------------------------------------------------------------------------------------------------------- -// statsd parsing numbers - -static inline NETDATA_DOUBLE statsd_parse_float(const char *v, NETDATA_DOUBLE def) { - NETDATA_DOUBLE value; - - if(likely(v && *v)) { - char *e = NULL; - value = str2ndd(v, &e); - if(unlikely(e && *e)) - collector_error("STATSD: excess data '%s' after value '%s'", e, v); - } - else - value = def; - - return value; -} - -static inline NETDATA_DOUBLE statsd_parse_sampling_rate(const char *v) { - NETDATA_DOUBLE sampling_rate = statsd_parse_float(v, 1.0); - if(unlikely(isless(sampling_rate, 0.001))) sampling_rate = 0.001; - if(unlikely(isgreater(sampling_rate, 1.0))) sampling_rate = 1.0; - return sampling_rate; -} - -static inline long long statsd_parse_int(const char *v, long long def) { - long long value; - - if(likely(v && *v)) { - char *e = NULL; - value = str2ll(v, &e); - if(unlikely(e && *e)) - collector_error("STATSD: excess data '%s' after value '%s'", e, v); - } - else - value = def; - - return value; -} - - -// -------------------------------------------------------------------------------------------------------------------- -// statsd processors per metric type - -static inline void statsd_reset_metric(STATSD_METRIC *m) { - m->reset = 0; - m->count = 0; -} - -static inline int value_is_zinit(const char *value) { - return (value && *value == 'z' && *++value == 'i' && *++value == 'n' && *++value == 'i' && *++value == 't' && *++value == '\0'); -} - -#define is_metric_checked(m) ((m)->options & STATSD_METRIC_OPTION_CHECKED) -#define is_metric_useful_for_collection(m) (!is_metric_checked(m) || ((m)->options & STATSD_METRIC_OPTION_USEFUL)) - -static inline void metric_update_counters_and_obsoletion(STATSD_METRIC *m) { - m->events++; - m->count++; - m->last_collected = now_realtime_sec(); - if (m->st && unlikely(rrdset_flag_check(m->st, RRDSET_FLAG_OBSOLETE))) { - rrdset_isnot_obsolete___safe_from_collector_thread(m->st); - m->options &= ~STATSD_METRIC_OPTION_OBSOLETE; - } -} - -static inline void statsd_process_gauge(STATSD_METRIC *m, const char *value, const char *sampling) { - if(!is_metric_useful_for_collection(m)) return; - - if(unlikely(!value || !*value)) { - collector_error("STATSD: metric '%s' of type gauge, with empty value is ignored.", m->name); - return; - } - - if(unlikely(m->reset)) { - // no need to reset anything specific for gauges - statsd_reset_metric(m); - } - - if(unlikely(value_is_zinit(value))) { - // magic loading of metric, without affecting anything - } - else { - if (unlikely(*value == '+' || *value == '-')) - m->gauge.value += statsd_parse_float(value, 1.0) / statsd_parse_sampling_rate(sampling); - else - m->gauge.value = statsd_parse_float(value, 1.0); - - metric_update_counters_and_obsoletion(m); - } -} - -static inline void statsd_process_counter_or_meter(STATSD_METRIC *m, const char *value, const char *sampling) { - if(!is_metric_useful_for_collection(m)) return; - - // we accept empty values for counters - - if(unlikely(m->reset)) statsd_reset_metric(m); - - if(unlikely(value_is_zinit(value))) { - // magic loading of metric, without affecting anything - } - else { - m->counter.value += llrintndd((NETDATA_DOUBLE) statsd_parse_int(value, 1) / statsd_parse_sampling_rate(sampling)); - - metric_update_counters_and_obsoletion(m); - } -} - -#define statsd_process_counter(m, value, sampling) statsd_process_counter_or_meter(m, value, sampling) -#define statsd_process_meter(m, value, sampling) statsd_process_counter_or_meter(m, value, sampling) - -static inline void statsd_process_histogram_or_timer(STATSD_METRIC *m, const char *value, const char *sampling, const char *type) { - if(!is_metric_useful_for_collection(m)) return; - - if(unlikely(!value || !*value)) { - collector_error("STATSD: metric of type %s, with empty value is ignored.", type); - return; - } - - if(unlikely(m->reset)) { - m->histogram.ext->used = 0; - statsd_reset_metric(m); - } - - if(unlikely(value_is_zinit(value))) { - // magic loading of metric, without affecting anything - } - else { - NETDATA_DOUBLE v = statsd_parse_float(value, 1.0); - NETDATA_DOUBLE sampling_rate = statsd_parse_sampling_rate(sampling); - if(unlikely(isless(sampling_rate, 0.01))) sampling_rate = 0.01; - if(unlikely(isgreater(sampling_rate, 1.0))) sampling_rate = 1.0; - - long long samples = llrintndd(1.0 / sampling_rate); - while(samples-- > 0) { - - if(unlikely(m->histogram.ext->used == m->histogram.ext->size)) { - netdata_mutex_lock(&m->histogram.ext->mutex); - m->histogram.ext->size += statsd.histogram_increase_step; - m->histogram.ext->values = reallocz(m->histogram.ext->values, sizeof(NETDATA_DOUBLE) * m->histogram.ext->size); - netdata_mutex_unlock(&m->histogram.ext->mutex); - } - - m->histogram.ext->values[m->histogram.ext->used++] = v; - } - - metric_update_counters_and_obsoletion(m); - } -} - -#define statsd_process_timer(m, value, sampling) statsd_process_histogram_or_timer(m, value, sampling, "timer") -#define statsd_process_histogram(m, value, sampling) statsd_process_histogram_or_timer(m, value, sampling, "histogram") - -static inline void statsd_process_set(STATSD_METRIC *m, const char *value) { - if(!is_metric_useful_for_collection(m)) return; - - if(unlikely(!value || !*value)) { - netdata_log_error("STATSD: metric of type set, with empty value is ignored."); - return; - } - - if(unlikely(m->reset)) { - if(likely(m->set.dict)) { - dictionary_destroy(m->set.dict); - m->set.dict = NULL; - } - statsd_reset_metric(m); - } - - if (unlikely(!m->set.dict)) - m->set.dict = dictionary_create_advanced(STATSD_DICTIONARY_OPTIONS, &dictionary_stats_category_collectors, 0); - - if(unlikely(value_is_zinit(value))) { - // magic loading of metric, without affecting anything - } - else { -#ifdef STATSD_MULTITHREADED - // avoid the write lock to check if something is already there - if(!dictionary_get(m->set.dict, value)) - dictionary_set(m->set.dict, value, NULL, 0); -#else - dictionary_set(m->set.dict, value, NULL, 0); -#endif - metric_update_counters_and_obsoletion(m); - } -} - -static inline void statsd_process_dictionary(STATSD_METRIC *m, const char *value) { - if(!is_metric_useful_for_collection(m)) return; - - if(unlikely(!value || !*value)) { - netdata_log_error("STATSD: metric of type set, with empty value is ignored."); - return; - } - - if(unlikely(m->reset)) - statsd_reset_metric(m); - - if (unlikely(!m->dictionary.dict)) - m->dictionary.dict = dictionary_create_advanced(STATSD_DICTIONARY_OPTIONS, &dictionary_stats_category_collectors, 0); - - if(unlikely(value_is_zinit(value))) { - // magic loading of metric, without affecting anything - } - else { - STATSD_METRIC_DICTIONARY_ITEM *t = (STATSD_METRIC_DICTIONARY_ITEM *)dictionary_get(m->dictionary.dict, value); - - if (unlikely(!t)) { - if(!t && dictionary_entries(m->dictionary.dict) >= statsd.dictionary_max_unique) - value = "other"; - - t = (STATSD_METRIC_DICTIONARY_ITEM *)dictionary_set(m->dictionary.dict, value, NULL, sizeof(STATSD_METRIC_DICTIONARY_ITEM)); - } - - t->count++; - metric_update_counters_and_obsoletion(m); - } -} - - -// -------------------------------------------------------------------------------------------------------------------- -// statsd parsing - -static inline const char *statsd_parse_skip_up_to(const char *s, char d1, char d2, char d3) { - char c; - - for(c = *s; c && c != d1 && c != d2 && c != d3 && c != '\r' && c != '\n'; c = *++s) ; - - return s; -} - -const char *statsd_parse_skip_spaces(const char *s) { - char c; - - for(c = *s; c && ( c == ' ' || c == '\t' || c == '\r' || c == '\n' ); c = *++s) ; - - return s; -} - -static inline const char *statsd_parse_field_trim(const char *start, char *end) { - if(unlikely(!start || !*start)) { - start = end; - return start; - } - - while(start <= end && (*start == ' ' || *start == '\t')) - start++; - - *end = '\0'; - end--; - while(end >= start && (*end == ' ' || *end == '\t')) - *end-- = '\0'; - - return start; -} - -static void statsd_process_metric(const char *name, const char *value, const char *type, const char *sampling, const char *tags) { - netdata_log_debug(D_STATSD, "STATSD: raw metric '%s', value '%s', type '%s', sampling '%s', tags '%s'", name?name:"(null)", value?value:"(null)", type?type:"(null)", sampling?sampling:"(null)", tags?tags:"(null)"); - - if(unlikely(!name || !*name)) return; - if(unlikely(!type || !*type)) type = "m"; - - STATSD_METRIC *m = NULL; - - char t0 = type[0], t1 = type[1]; - if(unlikely(t0 == 'g' && t1 == '\0')) { - statsd_process_gauge( - m = statsd_find_or_add_metric(&statsd.gauges, name), - value, sampling); - } - else if(unlikely((t0 == 'c' || t0 == 'C') && t1 == '\0')) { - // etsy/statsd uses 'c' - // brubeck uses 'C' - statsd_process_counter( - m = statsd_find_or_add_metric(&statsd.counters, name), - value, sampling); - } - else if(unlikely(t0 == 'm' && t1 == '\0')) { - statsd_process_meter( - m = statsd_find_or_add_metric(&statsd.meters, name), - value, sampling); - } - else if(unlikely(t0 == 'h' && t1 == '\0')) { - statsd_process_histogram( - m = statsd_find_or_add_metric(&statsd.histograms, name), - value, sampling); - } - else if(unlikely(t0 == 's' && t1 == '\0')) { - statsd_process_set( - m = statsd_find_or_add_metric(&statsd.sets, name), - value); - } - else if(unlikely(t0 == 'd' && t1 == '\0')) { - statsd_process_dictionary( - m = statsd_find_or_add_metric(&statsd.dictionaries, name), - value); - } - else if(unlikely(t0 == 'm' && t1 == 's' && type[2] == '\0')) { - statsd_process_timer( - m = statsd_find_or_add_metric(&statsd.timers, name), - value, sampling); - } - else { - statsd.unknown_types++; - netdata_log_error("STATSD: metric '%s' with value '%s' is sent with unknown metric type '%s'", name, value?value:"", type); - } - - if(m && tags && *tags) { - const char *s = tags; - while(*s) { - const char *tagkey = NULL, *tagvalue = NULL; - char *tagkey_end = NULL, *tagvalue_end = NULL; - - s = tagkey_end = (char *)statsd_parse_skip_up_to(tagkey = s, ':', '=', ','); - if(tagkey == tagkey_end) { - if (*s) { - s++; - s = statsd_parse_skip_spaces(s); - } - continue; - } - - if(likely(*s == ':' || *s == '=')) - s = tagvalue_end = (char *) statsd_parse_skip_up_to(tagvalue = ++s, ',', '\0', '\0'); - - if(*s == ',') s++; - - statsd_parse_field_trim(tagkey, tagkey_end); - statsd_parse_field_trim(tagvalue, tagvalue_end); - - if(tagkey && *tagkey && tagvalue && *tagvalue) { - if (strcmp(tagkey, "units") == 0 && (!m->units || strcmp(m->units, tagvalue) != 0)) { - m->units = strdupz(tagvalue); - m->options |= STATSD_METRIC_OPTION_UPDATED_CHART_METADATA; - } - - if (strcmp(tagkey, "name") == 0 && (!m->dimname || strcmp(m->dimname, tagvalue) != 0)) { - m->dimname = strdupz(tagvalue); - m->options |= STATSD_METRIC_OPTION_UPDATED_CHART_METADATA; - } - - if (strcmp(tagkey, "family") == 0 && (!m->family || strcmp(m->family, tagvalue) != 0)) { - m->family = strdupz(tagvalue); - m->options |= STATSD_METRIC_OPTION_UPDATED_CHART_METADATA; - } - } - } - } -} - -static inline size_t statsd_process(char *buffer, size_t size, int require_newlines) { - buffer[size] = '\0'; - netdata_log_debug(D_STATSD, "RECEIVED: %zu bytes: '%s'", size, buffer); - - const char *s = buffer; - while(*s) { - const char *name = NULL, *value = NULL, *type = NULL, *sampling = NULL, *tags = NULL; - char *name_end = NULL, *value_end = NULL, *type_end = NULL, *sampling_end = NULL, *tags_end = NULL; - - s = name_end = (char *)statsd_parse_skip_up_to(name = s, ':', '=', '|'); - if(name == name_end) { - if (*s) { - s++; - s = statsd_parse_skip_spaces(s); - } - continue; - } - - if(likely(*s == ':' || *s == '=')) - s = value_end = (char *) statsd_parse_skip_up_to(value = ++s, '|', '@', '#'); - - if(likely(*s == '|')) - s = type_end = (char *) statsd_parse_skip_up_to(type = ++s, '|', '@', '#'); - - while(*s == '|' || *s == '@' || *s == '#') { - // parse all the fields that may be appended - - if ((*s == '|' && s[1] == '@') || *s == '@') { - s = sampling_end = (char *)statsd_parse_skip_up_to(sampling = ++s, '|', '@', '#'); - if (*sampling == '@') sampling++; - } - else if ((*s == '|' && s[1] == '#') || *s == '#') { - s = tags_end = (char *)statsd_parse_skip_up_to(tags = ++s, '|', '@', '#'); - if (*tags == '#') tags++; - } - else { - // unknown field, skip it - s = (char *)statsd_parse_skip_up_to(++s, '|', '@', '#'); - } - } - - // skip everything until the end of the line - while(*s && *s != '\n') s++; - - if(unlikely(require_newlines && *s != '\n' && s > buffer)) { - // move the remaining data to the beginning - size -= (name - buffer); - memmove(buffer, name, size); - return size; - } - else - s = statsd_parse_skip_spaces(s); - - statsd_process_metric( - statsd_parse_field_trim(name, name_end) - , statsd_parse_field_trim(value, value_end) - , statsd_parse_field_trim(type, type_end) - , statsd_parse_field_trim(sampling, sampling_end) - , statsd_parse_field_trim(tags, tags_end) - ); - } - - return 0; -} - - -// -------------------------------------------------------------------------------------------------------------------- -// statsd pollfd interface - -#define STATSD_TCP_BUFFER_SIZE 65536 // minimize tcp reads -#define STATSD_UDP_BUFFER_SIZE 9000 // this should be up to MTU - -typedef enum { - STATSD_SOCKET_DATA_TYPE_TCP, - STATSD_SOCKET_DATA_TYPE_UDP -} STATSD_SOCKET_DATA_TYPE; - -struct statsd_tcp { - STATSD_SOCKET_DATA_TYPE type; - size_t size; - size_t len; - char buffer[]; -}; - -struct statsd_udp { - struct collection_thread_status *status; - STATSD_SOCKET_DATA_TYPE type; - -#ifdef HAVE_RECVMMSG - size_t size; - struct iovec *iovecs; - struct mmsghdr *msgs; -#else - int *running; - char buffer[STATSD_UDP_BUFFER_SIZE]; -#endif -}; - -// new TCP client connected -static void *statsd_add_callback(POLLINFO *pi, short int *events, void *data) { - (void)pi; - (void)data; - - worker_is_busy(WORKER_JOB_TYPE_TCP_CONNECTED); - *events = POLLIN; - - struct statsd_tcp *t = (struct statsd_tcp *)callocz(sizeof(struct statsd_tcp) + STATSD_TCP_BUFFER_SIZE, 1); - t->type = STATSD_SOCKET_DATA_TYPE_TCP; - t->size = STATSD_TCP_BUFFER_SIZE - 1; - statsd.tcp_socket_connects++; - statsd.tcp_socket_connected++; - - worker_is_idle(); - return t; -} - -// TCP client disconnected -static void statsd_del_callback(POLLINFO *pi) { - worker_is_busy(WORKER_JOB_TYPE_TCP_DISCONNECTED); - - struct statsd_tcp *t = pi->data; - - if(likely(t)) { - if(t->type == STATSD_SOCKET_DATA_TYPE_TCP) { - if(t->len != 0) { - statsd.socket_errors++; - netdata_log_error("STATSD: client is probably sending unterminated metrics. Closed socket left with '%s'. Trying to process it.", t->buffer); - statsd_process(t->buffer, t->len, 0); - } - statsd.tcp_socket_disconnects++; - statsd.tcp_socket_connected--; - } - else - netdata_log_error("STATSD: internal error: received socket data type is %d, but expected %d", (int)t->type, (int)STATSD_SOCKET_DATA_TYPE_TCP); - - freez(t); - } - - worker_is_idle(); -} - -// Receive data -static int statsd_rcv_callback(POLLINFO *pi, short int *events) { - int retval = -1; - worker_is_busy(WORKER_JOB_TYPE_RCV_DATA); - - *events = POLLIN; - - int fd = pi->fd; - - switch(pi->socktype) { - case SOCK_STREAM: { - struct statsd_tcp *d = (struct statsd_tcp *)pi->data; - if(unlikely(!d)) { - netdata_log_error("STATSD: internal error: expected TCP data pointer is NULL"); - statsd.socket_errors++; - retval = -1; - goto cleanup; - } - -#ifdef NETDATA_INTERNAL_CHECKS - if(unlikely(d->type != STATSD_SOCKET_DATA_TYPE_TCP)) { - netdata_log_error("STATSD: internal error: socket data type should be %d, but it is %d", (int)STATSD_SOCKET_DATA_TYPE_TCP, (int)d->type); - statsd.socket_errors++; - retval = -1; - goto cleanup; - } -#endif - - int ret = 0; - ssize_t rc; - do { - rc = recv(fd, &d->buffer[d->len], d->size - d->len, MSG_DONTWAIT); - if (rc < 0) { - // read failed - if (errno != EWOULDBLOCK && errno != EAGAIN && errno != EINTR) { - netdata_log_error("STATSD: recv() on TCP socket %d failed.", fd); - statsd.socket_errors++; - ret = -1; - } - } - else if (!rc) { - // connection closed - netdata_log_debug(D_STATSD, "STATSD: client disconnected."); - ret = -1; - } - else { - // data received - d->len += rc; - statsd.tcp_socket_reads++; - statsd.tcp_bytes_read += rc; - } - - if(likely(d->len > 0)) { - statsd.tcp_packets_received++; - d->len = statsd_process(d->buffer, d->len, 1); - } - - if(unlikely(ret == -1)) { - retval = -1; - goto cleanup; - } - - } while (rc != -1); - break; - } - - case SOCK_DGRAM: { - struct statsd_udp *d = (struct statsd_udp *)pi->data; - if(unlikely(!d)) { - netdata_log_error("STATSD: internal error: expected UDP data pointer is NULL"); - statsd.socket_errors++; - retval = -1; - goto cleanup; - } - -#ifdef NETDATA_INTERNAL_CHECKS - if(unlikely(d->type != STATSD_SOCKET_DATA_TYPE_UDP)) { - netdata_log_error("STATSD: internal error: socket data should be %d, but it is %d", (int)d->type, (int)STATSD_SOCKET_DATA_TYPE_UDP); - statsd.socket_errors++; - retval = -1; - goto cleanup; - } -#endif - -#ifdef HAVE_RECVMMSG - ssize_t rc; - do { - rc = recvmmsg(fd, d->msgs, (unsigned int)d->size, MSG_DONTWAIT, NULL); - if (rc < 0) { - // read failed - if (errno != EWOULDBLOCK && errno != EAGAIN && errno != EINTR) { - netdata_log_error("STATSD: recvmmsg() on UDP socket %d failed.", fd); - statsd.socket_errors++; - retval = -1; - goto cleanup; - } - } else if (rc) { - // data received - statsd.udp_socket_reads++; - statsd.udp_packets_received += rc; - - size_t i; - for (i = 0; i < (size_t)rc; ++i) { - size_t len = (size_t)d->msgs[i].msg_len; - statsd.udp_bytes_read += len; - statsd_process(d->msgs[i].msg_hdr.msg_iov->iov_base, len, 0); - } - } - } while (rc != -1); - -#else // !HAVE_RECVMMSG - ssize_t rc; - do { - rc = recv(fd, d->buffer, STATSD_UDP_BUFFER_SIZE - 1, MSG_DONTWAIT); - if (rc < 0) { - // read failed - if (errno != EWOULDBLOCK && errno != EAGAIN && errno != EINTR) { - netdata_log_error("STATSD: recv() on UDP socket %d failed.", fd); - statsd.socket_errors++; - retval = -1; - goto cleanup; - } - } else if (rc) { - // data received - statsd.udp_socket_reads++; - statsd.udp_packets_received++; - statsd.udp_bytes_read += rc; - statsd_process(d->buffer, (size_t) rc, 0); - } - } while (rc != -1); -#endif - - break; - } - - default: { - netdata_log_error("STATSD: internal error: unknown socktype %d on socket %d", pi->socktype, fd); - statsd.socket_errors++; - retval = -1; - goto cleanup; - } - } - - retval = 0; -cleanup: - worker_is_idle(); - return retval; -} - -static int statsd_snd_callback(POLLINFO *pi, short int *events) { - (void)pi; - (void)events; - - worker_is_busy(WORKER_JOB_TYPE_SND_DATA); - netdata_log_error("STATSD: snd_callback() called, but we never requested to send data to statsd clients."); - worker_is_idle(); - - return -1; -} - -// -------------------------------------------------------------------------------------------------------------------- -// statsd child thread to collect metrics from network - -void statsd_collector_thread_cleanup(void *data) { - struct statsd_udp *d = data; - spinlock_lock(&d->status->spinlock); - d->status->running = false; - spinlock_unlock(&d->status->spinlock); - - collector_info("cleaning up..."); - -#ifdef HAVE_RECVMMSG - size_t i; - for (i = 0; i < d->size; i++) - freez(d->iovecs[i].iov_base); - - freez(d->iovecs); - freez(d->msgs); -#endif - - freez(d); - worker_unregister(); -} - -static bool statsd_should_stop(void) { - return !service_running(SERVICE_COLLECTORS); -} - -void *statsd_collector_thread(void *ptr) { - struct collection_thread_status *status = ptr; - spinlock_lock(&status->spinlock); - status->running = true; - spinlock_unlock(&status->spinlock); - - worker_register("STATSD"); - worker_register_job_name(WORKER_JOB_TYPE_TCP_CONNECTED, "tcp connect"); - worker_register_job_name(WORKER_JOB_TYPE_TCP_DISCONNECTED, "tcp disconnect"); - worker_register_job_name(WORKER_JOB_TYPE_RCV_DATA, "receive"); - worker_register_job_name(WORKER_JOB_TYPE_SND_DATA, "send"); - - collector_info("STATSD collector thread started with taskid %d", gettid()); - - struct statsd_udp *d = callocz(sizeof(struct statsd_udp), 1); - d->status = status; - - netdata_thread_cleanup_push(statsd_collector_thread_cleanup, d); - -#ifdef HAVE_RECVMMSG - d->type = STATSD_SOCKET_DATA_TYPE_UDP; - d->size = statsd.recvmmsg_size; - d->iovecs = callocz(sizeof(struct iovec), d->size); - d->msgs = callocz(sizeof(struct mmsghdr), d->size); - - size_t i; - for (i = 0; i < d->size; i++) { - d->iovecs[i].iov_base = mallocz(STATSD_UDP_BUFFER_SIZE); - d->iovecs[i].iov_len = STATSD_UDP_BUFFER_SIZE - 1; - d->msgs[i].msg_hdr.msg_iov = &d->iovecs[i]; - d->msgs[i].msg_hdr.msg_iovlen = 1; - } -#endif - - poll_events(&statsd.sockets - , statsd_add_callback - , statsd_del_callback - , statsd_rcv_callback - , statsd_snd_callback - , NULL - , statsd_should_stop - , NULL // No access control pattern - , 0 // No dns lookups for access control pattern - , (void *)d - , 0 // tcp request timeout, 0 = disabled - , statsd.tcp_idle_timeout // tcp idle timeout, 0 = disabled - , statsd.update_every * 1000 - , ptr // timer_data - , status->max_sockets - ); - - netdata_thread_cleanup_pop(1); - return NULL; -} - - -// -------------------------------------------------------------------------------------------------------------------- -// statsd applications configuration files parsing - -#define STATSD_CONF_LINE_MAX 8192 - -static STATSD_APP_CHART_DIM_VALUE_TYPE string2valuetype(const char *type, size_t line, const char *filename) { - if(!type || !*type) type = "last"; - - if(!strcmp(type, "events")) return STATSD_APP_CHART_DIM_VALUE_TYPE_EVENTS; - else if(!strcmp(type, "last")) return STATSD_APP_CHART_DIM_VALUE_TYPE_LAST; - else if(!strcmp(type, "min")) return STATSD_APP_CHART_DIM_VALUE_TYPE_MIN; - else if(!strcmp(type, "max")) return STATSD_APP_CHART_DIM_VALUE_TYPE_MAX; - else if(!strcmp(type, "sum")) return STATSD_APP_CHART_DIM_VALUE_TYPE_SUM; - else if(!strcmp(type, "average")) return STATSD_APP_CHART_DIM_VALUE_TYPE_AVERAGE; - else if(!strcmp(type, "median")) return STATSD_APP_CHART_DIM_VALUE_TYPE_MEDIAN; - else if(!strcmp(type, "stddev")) return STATSD_APP_CHART_DIM_VALUE_TYPE_STDDEV; - else if(!strcmp(type, "percentile")) return STATSD_APP_CHART_DIM_VALUE_TYPE_PERCENTILE; - - netdata_log_error("STATSD: invalid type '%s' at line %zu of file '%s'. Using 'last'.", type, line, filename); - return STATSD_APP_CHART_DIM_VALUE_TYPE_LAST; -} - -static const char *valuetype2string(STATSD_APP_CHART_DIM_VALUE_TYPE type) { - switch(type) { - case STATSD_APP_CHART_DIM_VALUE_TYPE_EVENTS: return "events"; - case STATSD_APP_CHART_DIM_VALUE_TYPE_LAST: return "last"; - case STATSD_APP_CHART_DIM_VALUE_TYPE_MIN: return "min"; - case STATSD_APP_CHART_DIM_VALUE_TYPE_MAX: return "max"; - case STATSD_APP_CHART_DIM_VALUE_TYPE_SUM: return "sum"; - case STATSD_APP_CHART_DIM_VALUE_TYPE_AVERAGE: return "average"; - case STATSD_APP_CHART_DIM_VALUE_TYPE_MEDIAN: return "median"; - case STATSD_APP_CHART_DIM_VALUE_TYPE_STDDEV: return "stddev"; - case STATSD_APP_CHART_DIM_VALUE_TYPE_PERCENTILE: return "percentile"; - } - - return "unknown"; -} - -static STATSD_APP_CHART_DIM *add_dimension_to_app_chart( - STATSD_APP *app __maybe_unused - , STATSD_APP_CHART *chart - , const char *metric_name - , const char *dim_name - , collected_number multiplier - , collected_number divisor - , RRDDIM_FLAGS flags - , RRDDIM_OPTIONS options - , STATSD_APP_CHART_DIM_VALUE_TYPE value_type -) { - STATSD_APP_CHART_DIM *dim = callocz(sizeof(STATSD_APP_CHART_DIM), 1); - - dim->metric = strdupz(metric_name); - dim->metric_hash = simple_hash(dim->metric); - - dim->name = strdupz((dim_name)?dim_name:""); - dim->multiplier = multiplier; - dim->divisor = divisor; - dim->value_type = value_type; - dim->flags = flags; - dim->options = options; - - if(!dim->multiplier) - dim->multiplier = 1; - - if(!dim->divisor) - dim->divisor = 1; - - // append it to the list of dimension - STATSD_APP_CHART_DIM *tdim; - for(tdim = chart->dimensions; tdim && tdim->next ; tdim = tdim->next) ; - if(!tdim) { - dim->next = chart->dimensions; - chart->dimensions = dim; - } - else { - dim->next = tdim->next; - tdim->next = dim; - } - chart->dimensions_count++; - - netdata_log_debug(D_STATSD, "Added dimension '%s' to chart '%s' of app '%s', for metric '%s', with type %u, multiplier %d, divisor %d", - dim->name, chart->id, app->name, dim->metric, dim->value_type, dim->multiplier, dim->divisor); - - return dim; -} - -static int statsd_readfile(const char *filename, STATSD_APP *app, STATSD_APP_CHART *chart, DICTIONARY *dict) { - netdata_log_debug(D_STATSD, "STATSD configuration reading file '%s'", filename); - - char *buffer = mallocz(STATSD_CONF_LINE_MAX + 1); - - FILE *fp = fopen(filename, "r"); - if(!fp) { - netdata_log_error("STATSD: cannot open file '%s'.", filename); - freez(buffer); - return -1; - } - - size_t line = 0; - char *s; - while(fgets(buffer, STATSD_CONF_LINE_MAX, fp) != NULL) { - buffer[STATSD_CONF_LINE_MAX] = '\0'; - line++; - - s = trim(buffer); - if (!s || *s == '#') { - netdata_log_debug(D_STATSD, "STATSD: ignoring line %zu of file '%s', it is empty.", line, filename); - continue; - } - - netdata_log_debug(D_STATSD, "STATSD: processing line %zu of file '%s': %s", line, filename, buffer); - - if(*s == 'i' && strncmp(s, "include", 7) == 0) { - s = trim(&s[7]); - if(s && *s) { - char *tmp; - if(*s == '/') - tmp = strdupz(s); - else { - // the file to be included is relative to current file - // find the directory name from the file we already read - char *filename2 = strdupz(filename); // copy filename, since dirname() will change it - char *dir = dirname(filename2); // find the directory part of the filename - tmp = strdupz_path_subpath(dir, s); // compose the new filename to read; - freez(filename2); // free the filename we copied - } - statsd_readfile(tmp, app, chart, dict); - freez(tmp); - } - else - netdata_log_error("STATSD: ignoring line %zu of file '%s', include filename is empty", line, filename); - - continue; - } - - int len = (int) strlen(s); - if (*s == '[' && s[len - 1] == ']') { - // new section - s[len - 1] = '\0'; - s++; - - if (!strcmp(s, "app")) { - // a new app - app = callocz(sizeof(STATSD_APP), 1); - app->name = strdupz("unnamed"); - app->rrd_memory_mode = localhost->rrd_memory_mode; - app->rrd_history_entries = localhost->rrd_history_entries; - - app->next = statsd.apps; - statsd.apps = app; - chart = NULL; - dict = NULL; - - { - char lineandfile[FILENAME_MAX + 1]; - snprintfz(lineandfile, FILENAME_MAX, "%zu@%s", line, filename); - app->source = strdupz(lineandfile); - } - } - else if(app) { - if(!strcmp(s, "dictionary")) { - if(!app->dict) - app->dict = dictionary_create_advanced(DICT_OPTION_SINGLE_THREADED, &dictionary_stats_category_collectors, 0); - - dict = app->dict; - } - else { - dict = NULL; - - // a new chart - chart = callocz(sizeof(STATSD_APP_CHART), 1); - netdata_fix_chart_id(s); - chart->id = strdupz(s); - chart->name = strdupz(s); - chart->title = strdupz("Statsd chart"); - chart->context = strdupz(s); - chart->family = strdupz("overview"); - chart->units = strdupz("value"); - chart->priority = NETDATA_CHART_PRIO_STATSD_PRIVATE; - chart->chart_type = RRDSET_TYPE_LINE; - - chart->next = app->charts; - app->charts = chart; - - if (!strncmp( - filename, - netdata_configured_stock_config_dir, - strlen(netdata_configured_stock_config_dir))) { - char tmpfilename[FILENAME_MAX + 1]; - strncpyz(tmpfilename, filename, FILENAME_MAX); - chart->module = strdupz(basename(tmpfilename)); - } else { - chart->module = strdupz("synthetic_chart"); - } - } - } - else - netdata_log_error("STATSD: ignoring line %zu ('%s') of file '%s', [app] is not defined.", line, s, filename); - - continue; - } - - if(!app) { - netdata_log_error("STATSD: ignoring line %zu ('%s') of file '%s', it is outside all sections.", line, s, filename); - continue; - } - - char *name = s; - char *value = strchr(s, '='); - if(!value) { - netdata_log_error("STATSD: ignoring line %zu ('%s') of file '%s', there is no = in it.", line, s, filename); - continue; - } - *value = '\0'; - value++; - - name = trim(name); - value = trim(value); - - if(!name || *name == '#') { - netdata_log_error("STATSD: ignoring line %zu of file '%s', name is empty.", line, filename); - continue; - } - if(!value) { - netdata_log_debug(D_CONFIG, "STATSD: ignoring line %zu of file '%s', value is empty.", line, filename); - continue; - } - - if(unlikely(dict)) { - // parse [dictionary] members - - dictionary_set(dict, name, value, strlen(value) + 1); - } - else if(!chart) { - // parse [app] members - - if(!strcmp(name, "name")) { - freez((void *)app->name); - netdata_fix_chart_name(value); - app->name = strdupz(value); - } - else if (!strcmp(name, "metrics")) { - simple_pattern_free(app->metrics); - app->metrics = simple_pattern_create(value, NULL, SIMPLE_PATTERN_EXACT, true); - } - else if (!strcmp(name, "private charts")) { - if (!strcmp(value, "yes") || !strcmp(value, "on")) - app->default_options |= STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED; - else - app->default_options &= ~STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED; - } - else if (!strcmp(name, "gaps when not collected")) { - if (!strcmp(value, "yes") || !strcmp(value, "on")) - app->default_options |= STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED; - } - else if (!strcmp(name, "memory mode")) { - // this is not supported anymore - // with the implementation of storage engines, all charts have the same storage engine always - // app->rrd_memory_mode = rrd_memory_mode_id(value); - ; - } - else if (!strcmp(name, "history")) { - app->rrd_history_entries = atol(value); - if (app->rrd_history_entries < 5) - app->rrd_history_entries = 5; - } - else { - netdata_log_error("STATSD: ignoring line %zu ('%s') of file '%s'. Unknown keyword for the [app] section.", line, name, filename); - continue; - } - } - else { - // parse [chart] members - - if(!strcmp(name, "name")) { - freez((void *)chart->name); - netdata_fix_chart_id(value); - chart->name = strdupz(value); - } - else if(!strcmp(name, "title")) { - freez((void *)chart->title); - chart->title = strdupz(value); - } - else if (!strcmp(name, "family")) { - freez((void *)chart->family); - chart->family = strdupz(value); - } - else if (!strcmp(name, "context")) { - freez((void *)chart->context); - netdata_fix_chart_id(value); - chart->context = strdupz(value); - } - else if (!strcmp(name, "units")) { - freez((void *)chart->units); - chart->units = strdupz(value); - } - else if (!strcmp(name, "priority")) { - chart->priority = atol(value); - } - else if (!strcmp(name, "type")) { - chart->chart_type = rrdset_type_id(value); - } - else if (!strcmp(name, "dimension")) { - // metric [name [type [multiplier [divisor]]]] - char *words[10] = { NULL }; - size_t num_words = quoted_strings_splitter_pluginsd(value, words, 10); - - int pattern = 0; - size_t i = 0; - char *metric_name = get_word(words, num_words, i++); - - if(strcmp(metric_name, "pattern") == 0) { - metric_name = get_word(words, num_words, i++); - pattern = 1; - } - - char *dim_name = get_word(words, num_words, i++); - char *type = get_word(words, num_words, i++); - char *multiplier = get_word(words, num_words, i++); - char *divisor = get_word(words, num_words, i++); - char *opts = get_word(words, num_words, i++); - - RRDDIM_FLAGS flags = RRDDIM_FLAG_NONE; - RRDDIM_OPTIONS options = RRDDIM_OPTION_NONE; - if(opts && *opts) { - if(strstr(opts, "hidden") != NULL) options |= RRDDIM_OPTION_HIDDEN; - if(strstr(opts, "noreset") != NULL) options |= RRDDIM_OPTION_DONT_DETECT_RESETS_OR_OVERFLOWS; - if(strstr(opts, "nooverflow") != NULL) options |= RRDDIM_OPTION_DONT_DETECT_RESETS_OR_OVERFLOWS; - } - - if(!pattern) { - if(app->dict) { - if(dim_name && *dim_name) { - char *n = dictionary_get(app->dict, dim_name); - if(n) dim_name = n; - } - else { - dim_name = dictionary_get(app->dict, metric_name); - } - } - - if(!dim_name || !*dim_name) - dim_name = metric_name; - } - - STATSD_APP_CHART_DIM *dim = add_dimension_to_app_chart( - app - , chart - , metric_name - , dim_name - , (multiplier && *multiplier)?str2l(multiplier):1 - , (divisor && *divisor)?str2l(divisor):1 - , flags - , - options, string2valuetype(type, line, filename) - ); - - if(pattern) - dim->metric_pattern = simple_pattern_create(dim->metric, NULL, SIMPLE_PATTERN_EXACT, true); - } - else { - netdata_log_error("STATSD: ignoring line %zu ('%s') of file '%s'. Unknown keyword for the [%s] section.", line, name, filename, chart->id); - continue; - } - } - } - - freez(buffer); - fclose(fp); - return 0; -} - -static int statsd_file_callback(const char *filename, void *data) { - (void)data; - return statsd_readfile(filename, NULL, NULL, NULL); -} - -static inline void statsd_readdir(const char *user_path, const char *stock_path, const char *subpath) { - recursive_config_double_dir_load(user_path, stock_path, subpath, statsd_file_callback, NULL, 0); -} - -// -------------------------------------------------------------------------------------------------------------------- -// send metrics to netdata - in private charts - called from the main thread - -// extract chart type and chart id from metric name -static inline void statsd_get_metric_type_and_id(STATSD_METRIC *m, char *type, char *id, char *context, const char *metrictype, size_t len) { - - // The full chart type.id looks like this: - // ${STATSD_CHART_PREFIX} + "_" + ${METRIC_NAME} + "_" + ${METRIC_TYPE} - // - // where: - // STATSD_CHART_PREFIX = "statsd" as defined above - // METRIC_NAME = whatever the user gave to statsd - // METRIC_TYPE = "gauge", "counter", "meter", "timer", "histogram", "set", "dictionary" - - // for chart type, we want: - // ${STATSD_CHART_PREFIX} + "_" + the first word of ${METRIC_NAME} - - // find the first word of ${METRIC_NAME} - char firstword[len + 1], *s = ""; - strncpyz(firstword, m->name, len); - for (s = firstword; *s ; s++) { - if (unlikely(*s == '.' || *s == '_')) { - *s = '\0'; - s++; - break; - } - } - // firstword has the first word of ${METRIC_NAME} - // s has the remaining, if any - - // create the chart type: - snprintfz(type, len, STATSD_CHART_PREFIX "_%s", firstword); - - // for chart id, we want: - // the remaining of the words of ${METRIC_NAME} + "_" + ${METRIC_TYPE} - // or the ${METRIC_NAME} has no remaining words, the ${METRIC_TYPE} alone - if(*s) - snprintfz(id, len, "%s_%s", s, metrictype); - else - snprintfz(id, len, "%s", metrictype); - - // for the context, we want the full of both the above, separated with a dot (type.id): - snprintfz(context, RRD_ID_LENGTH_MAX, "%s.%s", type, id); - - // make sure they don't have illegal characters - netdata_fix_chart_id(type); - netdata_fix_chart_id(id); - netdata_fix_chart_id(context); -} - -static inline RRDSET *statsd_private_rrdset_create( - STATSD_METRIC *m __maybe_unused - , const char *type - , const char *id - , const char *name - , const char *family - , const char *context - , const char *title - , const char *units - , long priority - , int update_every - , RRDSET_TYPE chart_type -) { - if(!m->st) - statsd.private_charts++; - - RRDSET *st = rrdset_create_custom( - localhost // host - , type // type - , id // id - , name // name - , family // family - , context // context - , title // title - , units // units - , PLUGIN_STATSD_NAME // plugin - , "private_chart" // module - , priority // priority - , update_every // update every - , chart_type // chart type - , default_rrd_memory_mode // memory mode - , default_rrd_history_entries // history - ); - rrdset_flag_set(st, RRDSET_FLAG_STORE_FIRST); - - if(statsd.private_charts_hidden) - rrdset_flag_set(st, RRDSET_FLAG_HIDDEN); - - // rrdset_flag_set(st, RRDSET_FLAG_DEBUG); - return st; -} - -static inline void statsd_private_chart_gauge(STATSD_METRIC *m) { - netdata_log_debug(D_STATSD, "updating private chart for gauge metric '%s'", m->name); - - if(m->st && unlikely(rrdset_flag_check(m->st, RRDSET_FLAG_OBSOLETE))) - return; - - if(unlikely(!m->st || m->options & STATSD_METRIC_OPTION_UPDATED_CHART_METADATA)) { - m->options &= ~STATSD_METRIC_OPTION_UPDATED_CHART_METADATA; - - char type[RRD_ID_LENGTH_MAX + 1], id[RRD_ID_LENGTH_MAX + 1], context[RRD_ID_LENGTH_MAX + 1]; - statsd_get_metric_type_and_id(m, type, id, context, "gauge", RRD_ID_LENGTH_MAX); - - char title[RRD_ID_LENGTH_MAX + 1]; - snprintfz(title, RRD_ID_LENGTH_MAX, "statsd private chart for gauge %s", m->name); - - m->st = statsd_private_rrdset_create( - m - , type - , id - , NULL // name - , m->family?m->family:"gauges" // family (submenu) - , context // context - , title // title - , m->units?m->units:"value" // units - , NETDATA_CHART_PRIO_STATSD_PRIVATE - , statsd.update_every - , RRDSET_TYPE_LINE - ); - - m->rd_value = rrddim_add(m->st, "gauge", m->dimname?m->dimname:NULL, 1, statsd.decimal_detail, RRD_ALGORITHM_ABSOLUTE); - - if(m->options & STATSD_METRIC_OPTION_CHART_DIMENSION_COUNT) - m->rd_count = rrddim_add(m->st, "events", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - - rrddim_set_by_pointer(m->st, m->rd_value, m->last); - - if(m->rd_count) - rrddim_set_by_pointer(m->st, m->rd_count, m->events); - - rrdset_done(m->st); -} - -static inline void statsd_private_chart_counter_or_meter(STATSD_METRIC *m, const char *dim, const char *family) { - netdata_log_debug(D_STATSD, "updating private chart for %s metric '%s'", dim, m->name); - - if(m->st && unlikely(rrdset_flag_check(m->st, RRDSET_FLAG_OBSOLETE))) - return; - - if(unlikely(!m->st || m->options & STATSD_METRIC_OPTION_UPDATED_CHART_METADATA)) { - m->options &= ~STATSD_METRIC_OPTION_UPDATED_CHART_METADATA; - - char type[RRD_ID_LENGTH_MAX + 1], id[RRD_ID_LENGTH_MAX + 1], context[RRD_ID_LENGTH_MAX + 1]; - statsd_get_metric_type_and_id(m, type, id, context, dim, RRD_ID_LENGTH_MAX); - - char title[RRD_ID_LENGTH_MAX + 1]; - snprintfz(title, RRD_ID_LENGTH_MAX, "statsd private chart for %s %s", dim, m->name); - - m->st = statsd_private_rrdset_create( - m - , type - , id - , NULL // name - , m->family?m->family:family // family (submenu) - , context // context - , title // title - , m->units?m->units:"events/s" // units - , NETDATA_CHART_PRIO_STATSD_PRIVATE - , statsd.update_every - , RRDSET_TYPE_AREA - ); - - m->rd_value = rrddim_add(m->st, dim, m->dimname?m->dimname:NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - - if(m->options & STATSD_METRIC_OPTION_CHART_DIMENSION_COUNT) - m->rd_count = rrddim_add(m->st, "events", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - - rrddim_set_by_pointer(m->st, m->rd_value, m->last); - - if(m->rd_count) - rrddim_set_by_pointer(m->st, m->rd_count, m->events); - - rrdset_done(m->st); -} - -static inline void statsd_private_chart_set(STATSD_METRIC *m) { - netdata_log_debug(D_STATSD, "updating private chart for set metric '%s'", m->name); - - if(m->st && unlikely(rrdset_flag_check(m->st, RRDSET_FLAG_OBSOLETE))) - return; - - if(unlikely(!m->st || m->options & STATSD_METRIC_OPTION_UPDATED_CHART_METADATA)) { - m->options &= ~STATSD_METRIC_OPTION_UPDATED_CHART_METADATA; - - char type[RRD_ID_LENGTH_MAX + 1], id[RRD_ID_LENGTH_MAX + 1], context[RRD_ID_LENGTH_MAX + 1]; - statsd_get_metric_type_and_id(m, type, id, context, "set", RRD_ID_LENGTH_MAX); - - char title[RRD_ID_LENGTH_MAX + 1]; - snprintfz(title, RRD_ID_LENGTH_MAX, "statsd private chart for set %s", m->name); - - m->st = statsd_private_rrdset_create( - m - , type - , id - , NULL // name - , m->family?m->family:"sets" // family (submenu) - , context // context - , title // title - , m->units?m->units:"entries" // units - , NETDATA_CHART_PRIO_STATSD_PRIVATE - , statsd.update_every - , RRDSET_TYPE_LINE - ); - - m->rd_value = rrddim_add(m->st, "set", m->dimname?m->dimname:"unique", 1, 1, RRD_ALGORITHM_ABSOLUTE); - - if(m->options & STATSD_METRIC_OPTION_CHART_DIMENSION_COUNT) - m->rd_count = rrddim_add(m->st, "events", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - - rrddim_set_by_pointer(m->st, m->rd_value, m->last); - - if(m->rd_count) - rrddim_set_by_pointer(m->st, m->rd_count, m->events); - - rrdset_done(m->st); -} - -static inline void statsd_private_chart_dictionary(STATSD_METRIC *m) { - netdata_log_debug(D_STATSD, "updating private chart for dictionary metric '%s'", m->name); - - if(m->st && unlikely(rrdset_flag_check(m->st, RRDSET_FLAG_OBSOLETE))) - return; - - if(unlikely(!m->st || m->options & STATSD_METRIC_OPTION_UPDATED_CHART_METADATA)) { - m->options &= ~STATSD_METRIC_OPTION_UPDATED_CHART_METADATA; - - char type[RRD_ID_LENGTH_MAX + 1], id[RRD_ID_LENGTH_MAX + 1], context[RRD_ID_LENGTH_MAX + 1]; - statsd_get_metric_type_and_id(m, type, id, context, "dictionary", RRD_ID_LENGTH_MAX); - - char title[RRD_ID_LENGTH_MAX + 1]; - snprintfz(title, RRD_ID_LENGTH_MAX, "statsd private chart for dictionary %s", m->name); - - m->st = statsd_private_rrdset_create( - m - , type - , id - , NULL // name - , m->family?m->family:"dictionaries" // family (submenu) - , context // context - , title // title - , m->units?m->units:"events/s" // units - , NETDATA_CHART_PRIO_STATSD_PRIVATE - , statsd.update_every - , RRDSET_TYPE_STACKED - ); - - if(m->options & STATSD_METRIC_OPTION_CHART_DIMENSION_COUNT) - m->rd_count = rrddim_add(m->st, "events", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - - STATSD_METRIC_DICTIONARY_ITEM *t; - dfe_start_read(m->dictionary.dict, t) { - if (!t->rd) t->rd = rrddim_add(m->st, t_dfe.name, NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rrddim_set_by_pointer(m->st, t->rd, (collected_number)t->count); - } - dfe_done(t); - - if(m->rd_count) - rrddim_set_by_pointer(m->st, m->rd_count, m->events); - - rrdset_done(m->st); -} - -static inline void statsd_private_chart_timer_or_histogram(STATSD_METRIC *m, const char *dim, const char *family, const char *units) { - netdata_log_debug(D_STATSD, "updating private chart for %s metric '%s'", dim, m->name); - - if(m->st && unlikely(rrdset_flag_check(m->st, RRDSET_FLAG_OBSOLETE))) - return; - - if(unlikely(!m->st || m->options & STATSD_METRIC_OPTION_UPDATED_CHART_METADATA)) { - m->options &= ~STATSD_METRIC_OPTION_UPDATED_CHART_METADATA; - - char type[RRD_ID_LENGTH_MAX + 1], id[RRD_ID_LENGTH_MAX + 1], context[RRD_ID_LENGTH_MAX + 1]; - statsd_get_metric_type_and_id(m, type, id, context, dim, RRD_ID_LENGTH_MAX); - - char title[RRD_ID_LENGTH_MAX + 1]; - snprintfz(title, RRD_ID_LENGTH_MAX, "statsd private chart for %s %s", dim, m->name); - - m->st = statsd_private_rrdset_create( - m - , type - , id - , NULL // name - , m->family?m->family:family // family (submenu) - , context // context - , title // title - , m->units?m->units:units // units - , NETDATA_CHART_PRIO_STATSD_PRIVATE - , statsd.update_every - , RRDSET_TYPE_AREA - ); - - m->histogram.ext->rd_min = rrddim_add(m->st, "min", NULL, 1, statsd.decimal_detail, RRD_ALGORITHM_ABSOLUTE); - m->histogram.ext->rd_max = rrddim_add(m->st, "max", NULL, 1, statsd.decimal_detail, RRD_ALGORITHM_ABSOLUTE); - m->rd_value = rrddim_add(m->st, "average", NULL, 1, statsd.decimal_detail, RRD_ALGORITHM_ABSOLUTE); - m->histogram.ext->rd_percentile = rrddim_add(m->st, statsd.histogram_percentile_str, NULL, 1, statsd.decimal_detail, RRD_ALGORITHM_ABSOLUTE); - m->histogram.ext->rd_median = rrddim_add(m->st, "median", NULL, 1, statsd.decimal_detail, RRD_ALGORITHM_ABSOLUTE); - m->histogram.ext->rd_stddev = rrddim_add(m->st, "stddev", NULL, 1, statsd.decimal_detail, RRD_ALGORITHM_ABSOLUTE); - //m->histogram.ext->rd_sum = rrddim_add(m->st, "sum", NULL, 1, statsd.decimal_detail, RRD_ALGORITHM_ABSOLUTE); - - if(m->options & STATSD_METRIC_OPTION_CHART_DIMENSION_COUNT) - m->rd_count = rrddim_add(m->st, "events", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - - rrddim_set_by_pointer(m->st, m->histogram.ext->rd_min, m->histogram.ext->last_min); - rrddim_set_by_pointer(m->st, m->histogram.ext->rd_max, m->histogram.ext->last_max); - rrddim_set_by_pointer(m->st, m->histogram.ext->rd_percentile, m->histogram.ext->last_percentile); - rrddim_set_by_pointer(m->st, m->histogram.ext->rd_median, m->histogram.ext->last_median); - rrddim_set_by_pointer(m->st, m->histogram.ext->rd_stddev, m->histogram.ext->last_stddev); - //rrddim_set_by_pointer(m->st, m->histogram.ext->rd_sum, m->histogram.ext->last_sum); - rrddim_set_by_pointer(m->st, m->rd_value, m->last); - - if(m->rd_count) - rrddim_set_by_pointer(m->st, m->rd_count, m->events); - - rrdset_done(m->st); -} - -// -------------------------------------------------------------------------------------------------------------------- -// statsd flush metrics - -static inline void metric_check_obsoletion(STATSD_METRIC *m) { - if(statsd.set_obsolete_after && - !rrdset_flag_check(m->st, RRDSET_FLAG_OBSOLETE) && - m->options & STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED && - m->last_collected + statsd.set_obsolete_after < now_realtime_sec()) { - rrdset_is_obsolete___safe_from_collector_thread(m->st); - m->options |= STATSD_METRIC_OPTION_OBSOLETE; - } -} - -static inline void statsd_flush_gauge(STATSD_METRIC *m) { - netdata_log_debug(D_STATSD, "flushing gauge metric '%s'", m->name); - - int updated = 0; - if(unlikely(!m->reset && m->count)) { - m->last = (collected_number) (m->gauge.value * statsd.decimal_detail); - - m->reset = 1; - updated = 1; - } - - if(unlikely(m->options & STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED && (updated || !(m->options & STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED)))) - statsd_private_chart_gauge(m); - - metric_check_obsoletion(m); -} - -static inline void statsd_flush_counter_or_meter(STATSD_METRIC *m, const char *dim, const char *family) { - netdata_log_debug(D_STATSD, "flushing %s metric '%s'", dim, m->name); - - int updated = 0; - if(unlikely(!m->reset && m->count)) { - m->last = m->counter.value; - - m->reset = 1; - updated = 1; - } - - if(unlikely(m->options & STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED && (updated || !(m->options & STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED)))) - statsd_private_chart_counter_or_meter(m, dim, family); - - metric_check_obsoletion(m); -} - -static inline void statsd_flush_counter(STATSD_METRIC *m) { - statsd_flush_counter_or_meter(m, "counter", "counters"); -} - -static inline void statsd_flush_meter(STATSD_METRIC *m) { - statsd_flush_counter_or_meter(m, "meter", "meters"); -} - -static inline void statsd_flush_set(STATSD_METRIC *m) { - netdata_log_debug(D_STATSD, "flushing set metric '%s'", m->name); - - int updated = 0; - if(unlikely(!m->reset && m->count)) { - m->last = (collected_number)dictionary_entries(m->set.dict); - - m->reset = 1; - updated = 1; - } - else { - m->last = 0; - } - - if(unlikely(m->options & STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED && (updated || !(m->options & STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED)))) - statsd_private_chart_set(m); - - metric_check_obsoletion(m); -} - -static inline void statsd_flush_dictionary(STATSD_METRIC *m) { - netdata_log_debug(D_STATSD, "flushing dictionary metric '%s'", m->name); - - int updated = 0; - if(unlikely(!m->reset && m->count)) { - m->last = (collected_number)dictionary_entries(m->dictionary.dict); - - m->reset = 1; - updated = 1; - } - else { - m->last = 0; - } - - if(unlikely(m->options & STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED && (updated || !(m->options & STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED)))) - statsd_private_chart_dictionary(m); - - if(dictionary_entries(m->dictionary.dict) >= statsd.dictionary_max_unique) { - if(!(m->options & STATSD_METRIC_OPTION_COLLECTION_FULL_LOGGED)) { - m->options |= STATSD_METRIC_OPTION_COLLECTION_FULL_LOGGED; - collector_info( - "STATSD dictionary '%s' reach max of %zu items - try increasing 'dictionaries max unique dimensions' in netdata.conf", - m->name, - dictionary_entries(m->dictionary.dict)); - } - } - - metric_check_obsoletion(m); -} - -static inline void statsd_flush_timer_or_histogram(STATSD_METRIC *m, const char *dim, const char *family, const char *units) { - netdata_log_debug(D_STATSD, "flushing %s metric '%s'", dim, m->name); - - int updated = 0; - if(unlikely(!m->reset && m->count && m->histogram.ext->used > 0)) { - netdata_mutex_lock(&m->histogram.ext->mutex); - - size_t len = m->histogram.ext->used; - NETDATA_DOUBLE *series = m->histogram.ext->values; - sort_series(series, len); - - m->histogram.ext->last_min = (collected_number)roundndd(series[0] * statsd.decimal_detail); - m->histogram.ext->last_max = (collected_number)roundndd(series[len - 1] * statsd.decimal_detail); - m->last = (collected_number)roundndd(average(series, len) * statsd.decimal_detail); - m->histogram.ext->last_median = (collected_number)roundndd(median_on_sorted_series(series, len) * statsd.decimal_detail); - m->histogram.ext->last_stddev = (collected_number)roundndd(standard_deviation(series, len) * statsd.decimal_detail); - m->histogram.ext->last_sum = (collected_number)roundndd(sum(series, len) * statsd.decimal_detail); - - size_t pct_len = (size_t)floor((double)len * statsd.histogram_percentile / 100.0); - if(pct_len < 1) - m->histogram.ext->last_percentile = (collected_number)(series[0] * statsd.decimal_detail); - else - m->histogram.ext->last_percentile = (collected_number)roundndd(series[pct_len - 1] * statsd.decimal_detail); - - netdata_mutex_unlock(&m->histogram.ext->mutex); - - netdata_log_debug(D_STATSD, "STATSD %s metric %s: min " COLLECTED_NUMBER_FORMAT ", max " COLLECTED_NUMBER_FORMAT ", last " COLLECTED_NUMBER_FORMAT ", pcent " COLLECTED_NUMBER_FORMAT ", median " COLLECTED_NUMBER_FORMAT ", stddev " COLLECTED_NUMBER_FORMAT ", sum " COLLECTED_NUMBER_FORMAT, - dim, m->name, m->histogram.ext->last_min, m->histogram.ext->last_max, m->last, m->histogram.ext->last_percentile, m->histogram.ext->last_median, m->histogram.ext->last_stddev, m->histogram.ext->last_sum); - - m->histogram.ext->zeroed = 0; - m->reset = 1; - updated = 1; - } - else if(unlikely(!m->histogram.ext->zeroed)) { - // reset the metrics - // if we collected anything, they will be updated below - // this ensures that we report zeros if nothing is collected - - m->histogram.ext->last_min = 0; - m->histogram.ext->last_max = 0; - m->last = 0; - m->histogram.ext->last_median = 0; - m->histogram.ext->last_stddev = 0; - m->histogram.ext->last_sum = 0; - m->histogram.ext->last_percentile = 0; - - m->histogram.ext->zeroed = 1; - } - - if(unlikely(m->options & STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED && (updated || !(m->options & STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED)))) - statsd_private_chart_timer_or_histogram(m, dim, family, units); - - metric_check_obsoletion(m); -} - -static inline void statsd_flush_timer(STATSD_METRIC *m) { - statsd_flush_timer_or_histogram(m, "timer", "timers", "milliseconds"); -} - -static inline void statsd_flush_histogram(STATSD_METRIC *m) { - statsd_flush_timer_or_histogram(m, "histogram", "histograms", "value"); -} - -static inline RRD_ALGORITHM statsd_algorithm_for_metric(STATSD_METRIC *m) { - switch(m->type) { - default: - case STATSD_METRIC_TYPE_GAUGE: - case STATSD_METRIC_TYPE_SET: - case STATSD_METRIC_TYPE_TIMER: - case STATSD_METRIC_TYPE_HISTOGRAM: - return RRD_ALGORITHM_ABSOLUTE; - - case STATSD_METRIC_TYPE_METER: - case STATSD_METRIC_TYPE_COUNTER: - case STATSD_METRIC_TYPE_DICTIONARY: - return RRD_ALGORITHM_INCREMENTAL; - } -} - -static inline void link_metric_to_app_dimension(STATSD_APP *app, STATSD_METRIC *m, STATSD_APP_CHART *chart, STATSD_APP_CHART_DIM *dim) { - if(dim->value_type == STATSD_APP_CHART_DIM_VALUE_TYPE_EVENTS) { - dim->value_ptr = &m->events; - dim->algorithm = RRD_ALGORITHM_INCREMENTAL; - } - else if(m->type == STATSD_METRIC_TYPE_HISTOGRAM || m->type == STATSD_METRIC_TYPE_TIMER) { - dim->algorithm = RRD_ALGORITHM_ABSOLUTE; - dim->divisor *= statsd.decimal_detail; - - switch(dim->value_type) { - case STATSD_APP_CHART_DIM_VALUE_TYPE_EVENTS: - // will never match - added to avoid warning - break; - - case STATSD_APP_CHART_DIM_VALUE_TYPE_LAST: - case STATSD_APP_CHART_DIM_VALUE_TYPE_AVERAGE: - dim->value_ptr = &m->last; - break; - - case STATSD_APP_CHART_DIM_VALUE_TYPE_SUM: - dim->value_ptr = &m->histogram.ext->last_sum; - break; - - case STATSD_APP_CHART_DIM_VALUE_TYPE_MIN: - dim->value_ptr = &m->histogram.ext->last_min; - break; - - case STATSD_APP_CHART_DIM_VALUE_TYPE_MAX: - dim->value_ptr = &m->histogram.ext->last_max; - break; - - case STATSD_APP_CHART_DIM_VALUE_TYPE_MEDIAN: - dim->value_ptr = &m->histogram.ext->last_median; - break; - - case STATSD_APP_CHART_DIM_VALUE_TYPE_PERCENTILE: - dim->value_ptr = &m->histogram.ext->last_percentile; - break; - - case STATSD_APP_CHART_DIM_VALUE_TYPE_STDDEV: - dim->value_ptr = &m->histogram.ext->last_stddev; - break; - } - } - else { - if (dim->value_type != STATSD_APP_CHART_DIM_VALUE_TYPE_LAST) - netdata_log_error("STATSD: unsupported value type for dimension '%s' of chart '%s' of app '%s' on metric '%s'", dim->name, chart->id, app->name, m->name); - - dim->value_ptr = &m->last; - dim->algorithm = statsd_algorithm_for_metric(m); - - if(m->type == STATSD_METRIC_TYPE_GAUGE) - dim->divisor *= statsd.decimal_detail; - } - - if(unlikely(chart->st && dim->rd)) { - rrddim_set_algorithm(chart->st, dim->rd, dim->algorithm); - rrddim_set_multiplier(chart->st, dim->rd, dim->multiplier); - rrddim_set_divisor(chart->st, dim->rd, dim->divisor); - } - - chart->dimensions_linked_count++; - m->options |= STATSD_METRIC_OPTION_USED_IN_APPS; - netdata_log_debug(D_STATSD, "metric '%s' of type %u linked with app '%s', chart '%s', dimension '%s', algorithm '%s'", m->name, m->type, app->name, chart->id, dim->name, rrd_algorithm_name(dim->algorithm)); -} - -static inline void check_if_metric_is_for_app(STATSD_INDEX *index, STATSD_METRIC *m) { - (void)index; - - STATSD_APP *app; - for(app = statsd.apps; app ;app = app->next) { - if(unlikely(simple_pattern_matches(app->metrics, m->name))) { - netdata_log_debug(D_STATSD, "metric '%s' matches app '%s'", m->name, app->name); - - // the metric should get the options from the app - - if(app->default_options & STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED) - m->options |= STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED; - else - m->options &= ~STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED; - - if(app->default_options & STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED) - m->options |= STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED; - else - m->options &= ~STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED; - - m->options |= STATSD_METRIC_OPTION_PRIVATE_CHART_CHECKED; - - // check if there is a chart in this app, willing to get this metric - STATSD_APP_CHART *chart; - for(chart = app->charts; chart; chart = chart->next) { - - STATSD_APP_CHART_DIM *dim; - for(dim = chart->dimensions; dim ; dim = dim->next) { - if(unlikely(dim->metric_pattern)) { - size_t dim_name_len = strlen(dim->name); - size_t wildcarded_len = dim_name_len + strlen(m->name) + 1; - char wildcarded[wildcarded_len]; - - strcpy(wildcarded, dim->name); - char *ws = &wildcarded[dim_name_len]; - - if(simple_pattern_matches_extract(dim->metric_pattern, m->name, ws, wildcarded_len - dim_name_len) == SP_MATCHED_POSITIVE) { - - char *final_name = NULL; - - if(app->dict) { - if(likely(*wildcarded)) { - // use the name of the wildcarded string - final_name = dictionary_get(app->dict, wildcarded); - } - - if(unlikely(!final_name)) { - // use the name of the metric - final_name = dictionary_get(app->dict, m->name); - } - } - - if(unlikely(!final_name)) - final_name = wildcarded; - - add_dimension_to_app_chart( - app - , chart - , m->name - , final_name - , dim->multiplier - , dim->divisor - , dim->flags - , dim->options - , dim->value_type - ); - - // the new dimension is appended to the list - // so, it will be matched and linked later too - } - } - else if(!dim->value_ptr && dim->metric_hash == m->hash && !strcmp(dim->metric, m->name)) { - // we have a match - this metric should be linked to this dimension - link_metric_to_app_dimension(app, m, chart, dim); - } - } - - } - } - } -} - -static inline RRDDIM *statsd_add_dim_to_app_chart(STATSD_APP *app, STATSD_APP_CHART *chart, STATSD_APP_CHART_DIM *dim) { - (void)app; - - // allow the same statsd metric to be added multiple times to the same chart - - STATSD_APP_CHART_DIM *tdim; - size_t count_same_metric = 0, count_same_metric_value_type = 0; - size_t pos_same_metric_value_type = 0; - - for (tdim = chart->dimensions; tdim && tdim->next; tdim = tdim->next) { - if (dim->metric_hash == tdim->metric_hash && !strcmp(dim->metric, tdim->metric)) { - count_same_metric++; - - if(dim->value_type == tdim->value_type) { - count_same_metric_value_type++; - if (tdim == dim) - pos_same_metric_value_type = count_same_metric_value_type; - } - } - } - - if(count_same_metric > 1) { - // the same metric is found multiple times - - size_t len = strlen(dim->metric) + 100; - char metric[ len + 1 ]; - - if(count_same_metric_value_type > 1) { - // the same metric, with the same value type, is added multiple times - snprintfz(metric, len, "%s_%s%zu", dim->metric, valuetype2string(dim->value_type), pos_same_metric_value_type); - } - else { - // the same metric, with different value type is added - snprintfz(metric, len, "%s_%s", dim->metric, valuetype2string(dim->value_type)); - } - - dim->rd = rrddim_add(chart->st, metric, dim->name, dim->multiplier, dim->divisor, dim->algorithm); - if(dim->flags != RRDDIM_FLAG_NONE) dim->rd->flags |= dim->flags; - if(dim->options != RRDDIM_OPTION_NONE) dim->rd->collector.options |= dim->options; - return dim->rd; - } - - dim->rd = rrddim_add(chart->st, dim->metric, dim->name, dim->multiplier, dim->divisor, dim->algorithm); - if(dim->flags != RRDDIM_FLAG_NONE) dim->rd->flags |= dim->flags; - if(dim->options != RRDDIM_OPTION_NONE) dim->rd->collector.options |= dim->options; - return dim->rd; -} - -static inline void statsd_update_app_chart(STATSD_APP *app, STATSD_APP_CHART *chart) { - netdata_log_debug(D_STATSD, "updating chart '%s' for app '%s'", chart->id, app->name); - - if(!chart->st) { - chart->st = rrdset_create_custom( - localhost // host - , app->name // type - , chart->id // id - , chart->name // name - , chart->family // family - , chart->context // context - , chart->title // title - , chart->units // units - , PLUGIN_STATSD_NAME // plugin - , chart->module // module - , chart->priority // priority - , statsd.update_every // update every - , chart->chart_type // chart type - , app->rrd_memory_mode // memory mode - , app->rrd_history_entries // history - ); - - rrdset_flag_set(chart->st, RRDSET_FLAG_STORE_FIRST); - // rrdset_flag_set(chart->st, RRDSET_FLAG_DEBUG); - } - - STATSD_APP_CHART_DIM *dim; - for(dim = chart->dimensions; dim ;dim = dim->next) { - if(likely(!dim->metric_pattern)) { - if (unlikely(!dim->rd)) - statsd_add_dim_to_app_chart(app, chart, dim); - - if (unlikely(dim->value_ptr)) { - netdata_log_debug(D_STATSD, "updating dimension '%s' (%s) of chart '%s' (%s) for app '%s' with value " COLLECTED_NUMBER_FORMAT, dim->name, rrddim_id(dim->rd), chart->id, rrdset_id(chart->st), app->name, *dim->value_ptr); - rrddim_set_by_pointer(chart->st, dim->rd, *dim->value_ptr); - } - } - } - - rrdset_done(chart->st); - netdata_log_debug(D_STATSD, "completed update of chart '%s' for app '%s'", chart->id, app->name); -} - -static inline void statsd_update_all_app_charts(void) { - // netdata_log_debug(D_STATSD, "updating app charts"); - - STATSD_APP *app; - for(app = statsd.apps; app ;app = app->next) { - // netdata_log_debug(D_STATSD, "updating charts for app '%s'", app->name); - - STATSD_APP_CHART *chart; - for(chart = app->charts; chart ;chart = chart->next) { - if(unlikely(chart->dimensions_linked_count)) { - statsd_update_app_chart(app, chart); - } - } - } - - // netdata_log_debug(D_STATSD, "completed update of app charts"); -} - -const char *statsd_metric_type_string(STATSD_METRIC_TYPE type) { - switch(type) { - case STATSD_METRIC_TYPE_COUNTER: return "counter"; - case STATSD_METRIC_TYPE_GAUGE: return "gauge"; - case STATSD_METRIC_TYPE_HISTOGRAM: return "histogram"; - case STATSD_METRIC_TYPE_METER: return "meter"; - case STATSD_METRIC_TYPE_SET: return "set"; - case STATSD_METRIC_TYPE_DICTIONARY: return "dictionary"; - case STATSD_METRIC_TYPE_TIMER: return "timer"; - default: return "unknown"; - } -} - -static inline void statsd_flush_index_metrics(STATSD_INDEX *index, void (*flush_metric)(STATSD_METRIC *)) { - STATSD_METRIC *m; - - // find the useful metrics (incremental = each time we are called, we check the new metrics only) - dfe_start_read(index->dict, m) { - // since we add new metrics at the beginning - // check for useful charts, until the point we last checked - if(unlikely(is_metric_checked(m))) break; - - if(unlikely(!(m->options & STATSD_METRIC_OPTION_CHECKED_IN_APPS))) { - nd_log(NDLS_ACCESS, NDLP_DEBUG, "NEW STATSD METRIC '%s': '%s'", statsd_metric_type_string(m->type), m->name); - check_if_metric_is_for_app(index, m); - m->options |= STATSD_METRIC_OPTION_CHECKED_IN_APPS; - } - - if(unlikely(!(m->options & STATSD_METRIC_OPTION_PRIVATE_CHART_CHECKED))) { - if(unlikely(statsd.private_charts >= statsd.max_private_charts_hard)) { - netdata_log_debug(D_STATSD, "STATSD: metric '%s' will not be charted, because the hard limit of the maximum number " - "of charts has been reached.", m->name); - - collector_info("STATSD: metric '%s' will not be charted, because the hard limit of the maximum number " - "of charts (%u) has been reached. Increase the number of charts by editing netdata.conf, " - "[statsd] section.", m->name, statsd.max_private_charts_hard); - - m->options &= ~STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED; - } - else { - if (simple_pattern_matches(statsd.charts_for, m->name)) { - netdata_log_debug(D_STATSD, "STATSD: metric '%s' will be charted.", m->name); - m->options |= STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED; - } else { - netdata_log_debug(D_STATSD, "STATSD: metric '%s' will not be charted.", m->name); - m->options &= ~STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED; - } - } - - m->options |= STATSD_METRIC_OPTION_PRIVATE_CHART_CHECKED; - } - - // mark it as checked - m->options |= STATSD_METRIC_OPTION_CHECKED; - - // check if it is used in charts - if((m->options & (STATSD_METRIC_OPTION_PRIVATE_CHART_ENABLED|STATSD_METRIC_OPTION_USED_IN_APPS)) && !(m->options & STATSD_METRIC_OPTION_USEFUL)) { - m->options |= STATSD_METRIC_OPTION_USEFUL; - index->useful++; - m->next_useful = index->first_useful; - index->first_useful = m; - } - } - dfe_done(m); - - // flush all the useful metrics - STATSD_METRIC *m_prev; - for(m_prev = m = index->first_useful; m ; m = m->next_useful) { - flush_metric(m); - if (m->options & STATSD_METRIC_OPTION_OBSOLETE) { - if (m == index->first_useful) - index->first_useful = m->next_useful; - else - m_prev->next_useful = m->next_useful; - dictionary_del(index->dict, m->name); - index->useful--; - index->metrics--; - statsd.private_charts--; - } else - m_prev = m; - } -} - - -// -------------------------------------------------------------------------------------- -// statsd main thread - -static int statsd_listen_sockets_setup(void) { - return listen_sockets_setup(&statsd.sockets); -} - -static void statsd_main_cleanup(void *data) { - struct netdata_static_thread *static_thread = (struct netdata_static_thread *)data; - static_thread->enabled = NETDATA_MAIN_THREAD_EXITING; - collector_info("cleaning up..."); - - if (statsd.collection_threads_status) { - int i; - for (i = 0; i < statsd.threads; i++) { - spinlock_lock(&statsd.collection_threads_status[i].spinlock); - if(statsd.collection_threads_status[i].running) { - collector_info("STATSD: stopping data collection thread %d...", i + 1); - netdata_thread_cancel(statsd.collection_threads_status[i].thread); - } - else { - collector_info("STATSD: data collection thread %d found stopped.", i + 1); - } - spinlock_unlock(&statsd.collection_threads_status[i].spinlock); - } - } - - collector_info("STATSD: closing sockets..."); - listen_sockets_close(&statsd.sockets); - - // destroy the dictionaries - dictionary_destroy(statsd.gauges.dict); - dictionary_destroy(statsd.meters.dict); - dictionary_destroy(statsd.counters.dict); - dictionary_destroy(statsd.histograms.dict); - dictionary_destroy(statsd.dictionaries.dict); - dictionary_destroy(statsd.sets.dict); - dictionary_destroy(statsd.timers.dict); - - collector_info("STATSD: cleanup completed."); - static_thread->enabled = NETDATA_MAIN_THREAD_EXITED; - - worker_unregister(); -} - -#define WORKER_STATSD_FLUSH_GAUGES 0 -#define WORKER_STATSD_FLUSH_COUNTERS 1 -#define WORKER_STATSD_FLUSH_METERS 2 -#define WORKER_STATSD_FLUSH_TIMERS 3 -#define WORKER_STATSD_FLUSH_HISTOGRAMS 4 -#define WORKER_STATSD_FLUSH_SETS 5 -#define WORKER_STATSD_FLUSH_DICTIONARIES 6 -#define WORKER_STATSD_FLUSH_STATS 7 - -#if WORKER_UTILIZATION_MAX_JOB_TYPES < 8 -#error WORKER_UTILIZATION_MAX_JOB_TYPES has to be at least 8 -#endif - -void *statsd_main(void *ptr) { - worker_register("STATSDFLUSH"); - worker_register_job_name(WORKER_STATSD_FLUSH_GAUGES, "gauges"); - worker_register_job_name(WORKER_STATSD_FLUSH_COUNTERS, "counters"); - worker_register_job_name(WORKER_STATSD_FLUSH_METERS, "meters"); - worker_register_job_name(WORKER_STATSD_FLUSH_TIMERS, "timers"); - worker_register_job_name(WORKER_STATSD_FLUSH_HISTOGRAMS, "histograms"); - worker_register_job_name(WORKER_STATSD_FLUSH_SETS, "sets"); - worker_register_job_name(WORKER_STATSD_FLUSH_DICTIONARIES, "dictionaries"); - worker_register_job_name(WORKER_STATSD_FLUSH_STATS, "statistics"); - - netdata_thread_cleanup_push(statsd_main_cleanup, ptr); - - statsd.gauges.dict = dictionary_create_advanced(STATSD_DICTIONARY_OPTIONS, &dictionary_stats_category_collectors, 0); - statsd.meters.dict = dictionary_create_advanced(STATSD_DICTIONARY_OPTIONS, &dictionary_stats_category_collectors, 0); - statsd.counters.dict = dictionary_create_advanced(STATSD_DICTIONARY_OPTIONS, &dictionary_stats_category_collectors, 0); - statsd.histograms.dict = dictionary_create_advanced(STATSD_DICTIONARY_OPTIONS, &dictionary_stats_category_collectors, 0); - statsd.dictionaries.dict = dictionary_create_advanced(STATSD_DICTIONARY_OPTIONS, &dictionary_stats_category_collectors, 0); - statsd.sets.dict = dictionary_create_advanced(STATSD_DICTIONARY_OPTIONS, &dictionary_stats_category_collectors, 0); - statsd.timers.dict = dictionary_create_advanced(STATSD_DICTIONARY_OPTIONS, &dictionary_stats_category_collectors, 0); - - dictionary_register_insert_callback(statsd.gauges.dict, dictionary_metric_insert_callback, &statsd.gauges); - dictionary_register_insert_callback(statsd.meters.dict, dictionary_metric_insert_callback, &statsd.meters); - dictionary_register_insert_callback(statsd.counters.dict, dictionary_metric_insert_callback, &statsd.counters); - dictionary_register_insert_callback(statsd.histograms.dict, dictionary_metric_insert_callback, &statsd.histograms); - dictionary_register_insert_callback(statsd.dictionaries.dict, dictionary_metric_insert_callback, &statsd.dictionaries); - dictionary_register_insert_callback(statsd.sets.dict, dictionary_metric_insert_callback, &statsd.sets); - dictionary_register_insert_callback(statsd.timers.dict, dictionary_metric_insert_callback, &statsd.timers); - - dictionary_register_delete_callback(statsd.gauges.dict, dictionary_metric_delete_callback, &statsd.gauges); - dictionary_register_delete_callback(statsd.meters.dict, dictionary_metric_delete_callback, &statsd.meters); - dictionary_register_delete_callback(statsd.counters.dict, dictionary_metric_delete_callback, &statsd.counters); - dictionary_register_delete_callback(statsd.histograms.dict, dictionary_metric_delete_callback, &statsd.histograms); - dictionary_register_delete_callback(statsd.dictionaries.dict, dictionary_metric_delete_callback, &statsd.dictionaries); - dictionary_register_delete_callback(statsd.sets.dict, dictionary_metric_delete_callback, &statsd.sets); - dictionary_register_delete_callback(statsd.timers.dict, dictionary_metric_delete_callback, &statsd.timers); - - // ---------------------------------------------------------------------------------------------------------------- - // statsd configuration - - statsd.enabled = config_get_boolean(CONFIG_SECTION_PLUGINS, "statsd", statsd.enabled); - - statsd.update_every = default_rrd_update_every; - statsd.update_every = (int)config_get_number(CONFIG_SECTION_STATSD, "update every (flushInterval)", statsd.update_every); - if(statsd.update_every < default_rrd_update_every) { - collector_error("STATSD: minimum flush interval %d given, but the minimum is the update every of netdata. Using %d", statsd.update_every, default_rrd_update_every); - statsd.update_every = default_rrd_update_every; - } - -#ifdef HAVE_RECVMMSG - statsd.recvmmsg_size = (size_t)config_get_number(CONFIG_SECTION_STATSD, "udp messages to process at once", (long long)statsd.recvmmsg_size); -#endif - - statsd.charts_for = simple_pattern_create( - config_get(CONFIG_SECTION_STATSD, "create private charts for metrics matching", "*"), NULL, - SIMPLE_PATTERN_EXACT, true); - statsd.max_private_charts_hard = (size_t)config_get_number(CONFIG_SECTION_STATSD, "max private charts hard limit", (long long)statsd.max_private_charts_hard); - statsd.set_obsolete_after = (size_t)config_get_number(CONFIG_SECTION_STATSD, "set charts as obsolete after secs", (long long)statsd.set_obsolete_after); - statsd.decimal_detail = (collected_number)config_get_number(CONFIG_SECTION_STATSD, "decimal detail", (long long int)statsd.decimal_detail); - statsd.tcp_idle_timeout = (size_t) config_get_number(CONFIG_SECTION_STATSD, "disconnect idle tcp clients after seconds", (long long int)statsd.tcp_idle_timeout); - statsd.private_charts_hidden = (unsigned int)config_get_boolean(CONFIG_SECTION_STATSD, "private charts hidden", statsd.private_charts_hidden); - - statsd.histogram_percentile = (double)config_get_float(CONFIG_SECTION_STATSD, "histograms and timers percentile (percentThreshold)", statsd.histogram_percentile); - if(isless(statsd.histogram_percentile, 0) || isgreater(statsd.histogram_percentile, 100)) { - collector_error("STATSD: invalid histograms and timers percentile %0.5f given", statsd.histogram_percentile); - statsd.histogram_percentile = 95.0; - } - { - char buffer[314 + 1]; - snprintfz(buffer, sizeof(buffer) - 1, "%0.1f%%", statsd.histogram_percentile); - statsd.histogram_percentile_str = strdupz(buffer); - } - - statsd.dictionary_max_unique = config_get_number(CONFIG_SECTION_STATSD, "dictionaries max unique dimensions", statsd.dictionary_max_unique); - - if(config_get_boolean(CONFIG_SECTION_STATSD, "add dimension for number of events received", 0)) { - statsd.gauges.default_options |= STATSD_METRIC_OPTION_CHART_DIMENSION_COUNT; - statsd.counters.default_options |= STATSD_METRIC_OPTION_CHART_DIMENSION_COUNT; - statsd.meters.default_options |= STATSD_METRIC_OPTION_CHART_DIMENSION_COUNT; - statsd.sets.default_options |= STATSD_METRIC_OPTION_CHART_DIMENSION_COUNT; - statsd.histograms.default_options |= STATSD_METRIC_OPTION_CHART_DIMENSION_COUNT; - statsd.timers.default_options |= STATSD_METRIC_OPTION_CHART_DIMENSION_COUNT; - statsd.dictionaries.default_options |= STATSD_METRIC_OPTION_CHART_DIMENSION_COUNT; - } - - if(config_get_boolean(CONFIG_SECTION_STATSD, "gaps on gauges (deleteGauges)", 0)) - statsd.gauges.default_options |= STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED; - - if(config_get_boolean(CONFIG_SECTION_STATSD, "gaps on counters (deleteCounters)", 0)) - statsd.counters.default_options |= STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED; - - if(config_get_boolean(CONFIG_SECTION_STATSD, "gaps on meters (deleteMeters)", 0)) - statsd.meters.default_options |= STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED; - - if(config_get_boolean(CONFIG_SECTION_STATSD, "gaps on sets (deleteSets)", 0)) - statsd.sets.default_options |= STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED; - - if(config_get_boolean(CONFIG_SECTION_STATSD, "gaps on histograms (deleteHistograms)", 0)) - statsd.histograms.default_options |= STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED; - - if(config_get_boolean(CONFIG_SECTION_STATSD, "gaps on timers (deleteTimers)", 0)) - statsd.timers.default_options |= STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED; - - if(config_get_boolean(CONFIG_SECTION_STATSD, "gaps on dictionaries (deleteDictionaries)", 0)) - statsd.dictionaries.default_options |= STATSD_METRIC_OPTION_SHOW_GAPS_WHEN_NOT_COLLECTED; - - size_t max_sockets = (size_t)config_get_number(CONFIG_SECTION_STATSD, "statsd server max TCP sockets", (long long int)(rlimit_nofile.rlim_cur / 4)); - -#ifdef STATSD_MULTITHREADED - statsd.threads = (int)config_get_number(CONFIG_SECTION_STATSD, "threads", processors); - if(statsd.threads < 1) { - collector_error("STATSD: Invalid number of threads %d, using %d", statsd.threads, processors); - statsd.threads = processors; - config_set_number(CONFIG_SECTION_STATSD, "collector threads", statsd.threads); - } -#else - statsd.threads = 1; -#endif - - // read custom application definitions - statsd_readdir(netdata_configured_user_config_dir, netdata_configured_stock_config_dir, "statsd.d"); - - // ---------------------------------------------------------------------------------------------------------------- - // statsd setup - - if(!statsd.enabled) goto cleanup; - - statsd_listen_sockets_setup(); - if(!statsd.sockets.opened) { - collector_error("STATSD: No statsd sockets to listen to. statsd will be disabled."); - goto cleanup; - } - - statsd.collection_threads_status = callocz((size_t)statsd.threads, sizeof(struct collection_thread_status)); - - int i; - for(i = 0; i < statsd.threads ;i++) { - statsd.collection_threads_status[i].max_sockets = max_sockets / statsd.threads; - char tag[NETDATA_THREAD_TAG_MAX + 1]; - snprintfz(tag, NETDATA_THREAD_TAG_MAX, "STATSD_IN[%d]", i + 1); - spinlock_init(&statsd.collection_threads_status[i].spinlock); - netdata_thread_create(&statsd.collection_threads_status[i].thread, tag, NETDATA_THREAD_OPTION_DEFAULT, statsd_collector_thread, &statsd.collection_threads_status[i]); - } - - // ---------------------------------------------------------------------------------------------------------------- - // statsd monitoring charts - - RRDSET *st_metrics = NULL; - RRDDIM *rd_metrics_gauge = NULL; - RRDDIM *rd_metrics_counter = NULL; - RRDDIM *rd_metrics_timer = NULL; - RRDDIM *rd_metrics_meter = NULL; - RRDDIM *rd_metrics_histogram = NULL; - RRDDIM *rd_metrics_set = NULL; - RRDDIM *rd_metrics_dictionary = NULL; - RRDSET *st_useful_metrics = NULL; - RRDDIM *rd_useful_metrics_gauge = NULL; - RRDDIM *rd_useful_metrics_counter = NULL; - RRDDIM *rd_useful_metrics_timer = NULL; - RRDDIM *rd_useful_metrics_meter = NULL; - RRDDIM *rd_useful_metrics_histogram = NULL; - RRDDIM *rd_useful_metrics_set = NULL; - RRDDIM *rd_useful_metrics_dictionary = NULL; - RRDSET *st_events = NULL; - RRDDIM *rd_events_gauge = NULL; - RRDDIM *rd_events_counter = NULL; - RRDDIM *rd_events_timer = NULL; - RRDDIM *rd_events_meter = NULL; - RRDDIM *rd_events_histogram = NULL; - RRDDIM *rd_events_set = NULL; - RRDDIM *rd_events_dictionary = NULL; - RRDDIM *rd_events_unknown = NULL; - RRDDIM *rd_events_errors = NULL; - RRDSET *st_reads = NULL; - RRDDIM *rd_reads_tcp = NULL; - RRDDIM *rd_reads_udp = NULL; - RRDSET *st_bytes = NULL; - RRDDIM *rd_bytes_tcp = NULL; - RRDDIM *rd_bytes_udp = NULL; - RRDSET *st_packets = NULL; - RRDDIM *rd_packets_tcp = NULL; - RRDDIM *rd_packets_udp = NULL; - RRDSET *st_tcp_connects = NULL; - RRDDIM *rd_tcp_connects = NULL; - RRDDIM *rd_tcp_disconnects = NULL; - RRDSET *st_tcp_connected = NULL; - RRDDIM *rd_tcp_connected = NULL; - RRDSET *st_pcharts = NULL; - RRDDIM *rd_pcharts = NULL; - - if(global_statistics_enabled) { - st_metrics = rrdset_create_localhost( - "netdata", - "statsd_metrics", - NULL, - "statsd", - NULL, - "Metrics in the netdata statsd database", - "metrics", - PLUGIN_STATSD_NAME, - "stats", - 132010, - statsd.update_every, - RRDSET_TYPE_STACKED); - rd_metrics_gauge = rrddim_add(st_metrics, "gauges", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - rd_metrics_counter = rrddim_add(st_metrics, "counters", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - rd_metrics_timer = rrddim_add(st_metrics, "timers", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - rd_metrics_meter = rrddim_add(st_metrics, "meters", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - rd_metrics_histogram = rrddim_add(st_metrics, "histograms", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - rd_metrics_set = rrddim_add(st_metrics, "sets", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - rd_metrics_dictionary = rrddim_add(st_metrics, "dictionaries", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - - st_useful_metrics = rrdset_create_localhost( - "netdata", - "statsd_useful_metrics", - NULL, - "statsd", - NULL, - "Useful metrics in the netdata statsd database", - "metrics", - PLUGIN_STATSD_NAME, - "stats", - 132010, - statsd.update_every, - RRDSET_TYPE_STACKED); - rd_useful_metrics_gauge = rrddim_add(st_useful_metrics, "gauges", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - rd_useful_metrics_counter = rrddim_add(st_useful_metrics, "counters", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - rd_useful_metrics_timer = rrddim_add(st_useful_metrics, "timers", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - rd_useful_metrics_meter = rrddim_add(st_useful_metrics, "meters", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - rd_useful_metrics_histogram = rrddim_add(st_useful_metrics, "histograms", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - rd_useful_metrics_set = rrddim_add(st_useful_metrics, "sets", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - rd_useful_metrics_dictionary = rrddim_add(st_useful_metrics, "dictionaries", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - - st_events = rrdset_create_localhost( - "netdata", - "statsd_events", - NULL, - "statsd", - NULL, - "Events processed by the netdata statsd server", - "events/s", - PLUGIN_STATSD_NAME, - "stats", - 132011, - statsd.update_every, - RRDSET_TYPE_STACKED); - rd_events_gauge = rrddim_add(st_events, "gauges", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_events_counter = rrddim_add(st_events, "counters", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_events_timer = rrddim_add(st_events, "timers", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_events_meter = rrddim_add(st_events, "meters", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_events_histogram = rrddim_add(st_events, "histograms", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_events_set = rrddim_add(st_events, "sets", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_events_dictionary = rrddim_add(st_events, "dictionaries", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_events_unknown = rrddim_add(st_events, "unknown", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_events_errors = rrddim_add(st_events, "errors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - - st_reads = rrdset_create_localhost( - "netdata", - "statsd_reads", - NULL, - "statsd", - NULL, - "Read operations made by the netdata statsd server", - "reads/s", - PLUGIN_STATSD_NAME, - "stats", - 132012, - statsd.update_every, - RRDSET_TYPE_STACKED); - rd_reads_tcp = rrddim_add(st_reads, "tcp", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_reads_udp = rrddim_add(st_reads, "udp", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - - st_bytes = rrdset_create_localhost( - "netdata", - "statsd_bytes", - NULL, - "statsd", - NULL, - "Bytes read by the netdata statsd server", - "kilobits/s", - PLUGIN_STATSD_NAME, - "stats", - 132013, - statsd.update_every, - RRDSET_TYPE_STACKED); - rd_bytes_tcp = rrddim_add(st_bytes, "tcp", NULL, 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL); - rd_bytes_udp = rrddim_add(st_bytes, "udp", NULL, 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL); - - st_packets = rrdset_create_localhost( - "netdata", - "statsd_packets", - NULL, - "statsd", - NULL, - "Network packets processed by the netdata statsd server", - "packets/s", - PLUGIN_STATSD_NAME, - "stats", - 132014, - statsd.update_every, - RRDSET_TYPE_STACKED); - rd_packets_tcp = rrddim_add(st_packets, "tcp", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_packets_udp = rrddim_add(st_packets, "udp", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - - st_tcp_connects = rrdset_create_localhost( - "netdata", - "tcp_connects", - NULL, - "statsd", - NULL, - "statsd server TCP connects and disconnects", - "events", - PLUGIN_STATSD_NAME, - "stats", - 132015, - statsd.update_every, - RRDSET_TYPE_LINE); - rd_tcp_connects = rrddim_add(st_tcp_connects, "connects", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_tcp_disconnects = rrddim_add(st_tcp_connects, "disconnects", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL); - - st_tcp_connected = rrdset_create_localhost( - "netdata", - "tcp_connected", - NULL, - "statsd", - NULL, - "statsd server TCP connected sockets", - "sockets", - PLUGIN_STATSD_NAME, - "stats", - 132016, - statsd.update_every, - RRDSET_TYPE_LINE); - rd_tcp_connected = rrddim_add(st_tcp_connected, "connected", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - - st_pcharts = rrdset_create_localhost( - "netdata", - "private_charts", - NULL, - "statsd", - NULL, - "Private metric charts created by the netdata statsd server", - "charts", - PLUGIN_STATSD_NAME, - "stats", - 132020, - statsd.update_every, - RRDSET_TYPE_AREA); - rd_pcharts = rrddim_add(st_pcharts, "charts", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - } - - // ---------------------------------------------------------------------------------------------------------------- - // statsd thread to turn metrics into charts - - usec_t step = statsd.update_every * USEC_PER_SEC; - heartbeat_t hb; - heartbeat_init(&hb); - while(service_running(SERVICE_COLLECTORS)) { - worker_is_idle(); - heartbeat_next(&hb, step); - - worker_is_busy(WORKER_STATSD_FLUSH_GAUGES); - statsd_flush_index_metrics(&statsd.gauges, statsd_flush_gauge); - - worker_is_busy(WORKER_STATSD_FLUSH_COUNTERS); - statsd_flush_index_metrics(&statsd.counters, statsd_flush_counter); - - worker_is_busy(WORKER_STATSD_FLUSH_METERS); - statsd_flush_index_metrics(&statsd.meters, statsd_flush_meter); - - worker_is_busy(WORKER_STATSD_FLUSH_TIMERS); - statsd_flush_index_metrics(&statsd.timers, statsd_flush_timer); - - worker_is_busy(WORKER_STATSD_FLUSH_HISTOGRAMS); - statsd_flush_index_metrics(&statsd.histograms, statsd_flush_histogram); - - worker_is_busy(WORKER_STATSD_FLUSH_SETS); - statsd_flush_index_metrics(&statsd.sets, statsd_flush_set); - - worker_is_busy(WORKER_STATSD_FLUSH_DICTIONARIES); - statsd_flush_index_metrics(&statsd.dictionaries,statsd_flush_dictionary); - - worker_is_busy(WORKER_STATSD_FLUSH_STATS); - statsd_update_all_app_charts(); - - if(unlikely(!service_running(SERVICE_COLLECTORS))) - break; - - if(global_statistics_enabled) { - rrddim_set_by_pointer(st_metrics, rd_metrics_gauge, (collected_number)statsd.gauges.metrics); - rrddim_set_by_pointer(st_metrics, rd_metrics_counter, (collected_number)statsd.counters.metrics); - rrddim_set_by_pointer(st_metrics, rd_metrics_timer, (collected_number)statsd.timers.metrics); - rrddim_set_by_pointer(st_metrics, rd_metrics_meter, (collected_number)statsd.meters.metrics); - rrddim_set_by_pointer(st_metrics, rd_metrics_histogram, (collected_number)statsd.histograms.metrics); - rrddim_set_by_pointer(st_metrics, rd_metrics_set, (collected_number)statsd.sets.metrics); - rrddim_set_by_pointer(st_metrics, rd_metrics_dictionary, (collected_number)statsd.dictionaries.metrics); - rrdset_done(st_metrics); - - rrddim_set_by_pointer(st_useful_metrics, rd_useful_metrics_gauge, (collected_number)statsd.gauges.useful); - rrddim_set_by_pointer(st_useful_metrics, rd_useful_metrics_counter, (collected_number)statsd.counters.useful); - rrddim_set_by_pointer(st_useful_metrics, rd_useful_metrics_timer, (collected_number)statsd.timers.useful); - rrddim_set_by_pointer(st_useful_metrics, rd_useful_metrics_meter, (collected_number)statsd.meters.useful); - rrddim_set_by_pointer(st_useful_metrics, rd_useful_metrics_histogram, (collected_number)statsd.histograms.useful); - rrddim_set_by_pointer(st_useful_metrics, rd_useful_metrics_set, (collected_number)statsd.sets.useful); - rrddim_set_by_pointer(st_useful_metrics, rd_useful_metrics_dictionary, (collected_number)statsd.dictionaries.useful); - rrdset_done(st_useful_metrics); - - rrddim_set_by_pointer(st_events, rd_events_gauge, (collected_number)statsd.gauges.events); - rrddim_set_by_pointer(st_events, rd_events_counter, (collected_number)statsd.counters.events); - rrddim_set_by_pointer(st_events, rd_events_timer, (collected_number)statsd.timers.events); - rrddim_set_by_pointer(st_events, rd_events_meter, (collected_number)statsd.meters.events); - rrddim_set_by_pointer(st_events, rd_events_histogram, (collected_number)statsd.histograms.events); - rrddim_set_by_pointer(st_events, rd_events_set, (collected_number)statsd.sets.events); - rrddim_set_by_pointer(st_events, rd_events_dictionary, (collected_number)statsd.dictionaries.events); - rrddim_set_by_pointer(st_events, rd_events_unknown, (collected_number)statsd.unknown_types); - rrddim_set_by_pointer(st_events, rd_events_errors, (collected_number)statsd.socket_errors); - rrdset_done(st_events); - - rrddim_set_by_pointer(st_reads, rd_reads_tcp, (collected_number)statsd.tcp_socket_reads); - rrddim_set_by_pointer(st_reads, rd_reads_udp, (collected_number)statsd.udp_socket_reads); - rrdset_done(st_reads); - - rrddim_set_by_pointer(st_bytes, rd_bytes_tcp, (collected_number)statsd.tcp_bytes_read); - rrddim_set_by_pointer(st_bytes, rd_bytes_udp, (collected_number)statsd.udp_bytes_read); - rrdset_done(st_bytes); - - rrddim_set_by_pointer(st_packets, rd_packets_tcp, (collected_number)statsd.tcp_packets_received); - rrddim_set_by_pointer(st_packets, rd_packets_udp, (collected_number)statsd.udp_packets_received); - rrdset_done(st_packets); - - rrddim_set_by_pointer(st_tcp_connects, rd_tcp_connects, (collected_number)statsd.tcp_socket_connects); - rrddim_set_by_pointer(st_tcp_connects, rd_tcp_disconnects, (collected_number)statsd.tcp_socket_disconnects); - rrdset_done(st_tcp_connects); - - rrddim_set_by_pointer(st_tcp_connected, rd_tcp_connected, (collected_number)statsd.tcp_socket_connected); - rrdset_done(st_tcp_connected); - - rrddim_set_by_pointer(st_pcharts, rd_pcharts, (collected_number)statsd.private_charts); - rrdset_done(st_pcharts); - } - } - -cleanup: ; // added semi-colon to prevent older gcc error: label at end of compound statement - netdata_thread_cleanup_pop(1); - return NULL; -} |