diff options
Diffstat (limited to 'src/rrd2json.c')
| -rw-r--r-- | src/rrd2json.c | 2059 |
1 files changed, 0 insertions, 2059 deletions
diff --git a/src/rrd2json.c b/src/rrd2json.c deleted file mode 100644 index 24b3da340..000000000 --- a/src/rrd2json.c +++ /dev/null @@ -1,2059 +0,0 @@ -#include "common.h" - -void rrd_stats_api_v1_chart_with_data(RRDSET *st, BUFFER *wb, size_t *dimensions_count, size_t *memory_used) -{ - rrdset_rdlock(st); - - buffer_sprintf(wb, - "\t\t{\n" - "\t\t\t\"id\": \"%s\",\n" - "\t\t\t\"name\": \"%s\",\n" - "\t\t\t\"type\": \"%s\",\n" - "\t\t\t\"family\": \"%s\",\n" - "\t\t\t\"context\": \"%s\",\n" - "\t\t\t\"title\": \"%s (%s)\",\n" - "\t\t\t\"priority\": %ld,\n" - "\t\t\t\"plugin\": \"%s\",\n" - "\t\t\t\"module\": \"%s\",\n" - "\t\t\t\"enabled\": %s,\n" - "\t\t\t\"units\": \"%s\",\n" - "\t\t\t\"data_url\": \"/api/v1/data?chart=%s\",\n" - "\t\t\t\"chart_type\": \"%s\",\n" - "\t\t\t\"duration\": %ld,\n" - "\t\t\t\"first_entry\": %ld,\n" - "\t\t\t\"last_entry\": %ld,\n" - "\t\t\t\"update_every\": %d,\n" - "\t\t\t\"dimensions\": {\n" - , st->id - , st->name - , st->type - , st->family - , st->context - , st->title, st->name - , st->priority - , st->plugin_name?st->plugin_name:"" - , st->module_name?st->module_name:"" - , rrdset_flag_check(st, RRDSET_FLAG_ENABLED)?"true":"false" - , st->units - , st->name - , rrdset_type_name(st->chart_type) - , st->entries * st->update_every - , rrdset_first_entry_t(st) - , rrdset_last_entry_t(st) - , st->update_every - ); - - unsigned long memory = st->memsize; - - size_t dimensions = 0; - RRDDIM *rd; - rrddim_foreach_read(rd, st) { - if(rrddim_flag_check(rd, RRDDIM_FLAG_HIDDEN)) continue; - - memory += rd->memsize; - - buffer_sprintf( - wb - , "%s" - "\t\t\t\t\"%s\": { \"name\": \"%s\" }" - , dimensions ? ",\n" : "" - , rd->id - , rd->name - ); - - dimensions++; - } - - if(dimensions_count) *dimensions_count += dimensions; - if(memory_used) *memory_used += memory; - - buffer_strcat(wb, "\n\t\t\t},\n\t\t\t\"green\": "); - buffer_rrd_value(wb, st->green); - buffer_strcat(wb, ",\n\t\t\t\"red\": "); - buffer_rrd_value(wb, st->red); - - buffer_strcat(wb, ",\n\t\t\t\"alarms\": {\n"); - size_t alarms = 0; - RRDCALC *rc; - for(rc = st->alarms; rc ; rc = rc->rrdset_next) { - - buffer_sprintf( - wb - , "%s" - "\t\t\t\t\"%s\": {\n" - "\t\t\t\t\t\"id\": %u,\n" - "\t\t\t\t\t\"status\": \"%s\",\n" - "\t\t\t\t\t\"units\": \"%s\",\n" - "\t\t\t\t\t\"update_every\": %d\n" - "\t\t\t\t}" - , (alarms) ? ",\n" : "" - , rc->name - , rc->id - , rrdcalc_status2string(rc->status) - , rc->units - , rc->update_every - ); - - alarms++; - } - - buffer_sprintf(wb, - "\n\t\t\t}\n\t\t}" - ); - - rrdset_unlock(st); -} - -void rrd_stats_api_v1_chart(RRDSET *st, BUFFER *wb) { - rrd_stats_api_v1_chart_with_data(st, wb, NULL, NULL); -} - -void rrd_stats_api_v1_charts(RRDHOST *host, BUFFER *wb) { - static char *custom_dashboard_info_js_filename = NULL; - size_t c, dimensions = 0, memory = 0, alarms = 0; - RRDSET *st; - - time_t now = now_realtime_sec(); - - if(unlikely(!custom_dashboard_info_js_filename)) - custom_dashboard_info_js_filename = config_get(CONFIG_SECTION_WEB, "custom dashboard_info.js", ""); - - buffer_sprintf(wb, "{\n" - "\t\"hostname\": \"%s\"" - ",\n\t\"version\": \"%s\"" - ",\n\t\"os\": \"%s\"" - ",\n\t\"timezone\": \"%s\"" - ",\n\t\"update_every\": %d" - ",\n\t\"history\": %ld" - ",\n\t\"custom_info\": \"%s\"" - ",\n\t\"charts\": {" - , host->hostname - , host->program_version - , host->os - , host->timezone - , host->rrd_update_every - , host->rrd_history_entries - , custom_dashboard_info_js_filename - ); - - c = 0; - rrdhost_rdlock(host); - rrdset_foreach_read(st, host) { - if(rrdset_is_available_for_viewers(st)) { - if(c) buffer_strcat(wb, ","); - buffer_strcat(wb, "\n\t\t\""); - buffer_strcat(wb, st->id); - buffer_strcat(wb, "\": "); - rrd_stats_api_v1_chart_with_data(st, wb, &dimensions, &memory); - - c++; - st->last_accessed_time = now; - } - } - - RRDCALC *rc; - for(rc = host->alarms; rc ; rc = rc->next) { - if(rc->rrdset) - alarms++; - } - rrdhost_unlock(host); - - buffer_sprintf(wb - , "\n\t}" - ",\n\t\"charts_count\": %zu" - ",\n\t\"dimensions_count\": %zu" - ",\n\t\"alarms_count\": %zu" - ",\n\t\"rrd_memory_bytes\": %zu" - ",\n\t\"hosts_count\": %zu" - ",\n\t\"hosts\": [" - , c - , dimensions - , alarms - , memory - , rrd_hosts_available - ); - - if(unlikely(rrd_hosts_available > 1)) { - rrd_rdlock(); - - size_t found = 0; - RRDHOST *h; - rrdhost_foreach_read(h) { - if(!rrdhost_should_be_removed(h, host, now)) { - buffer_sprintf(wb - , "%s\n\t\t{" - "\n\t\t\t\"hostname\": \"%s\"" - "\n\t\t}" - , (found > 0) ? "," : "" - , h->hostname - ); - - found++; - } - } - - rrd_unlock(); - } - else { - buffer_sprintf(wb - , "\n\t\t{" - "\n\t\t\t\"hostname\": \"%s\"" - "\n\t\t}" - , host->hostname - ); - } - - buffer_sprintf(wb, "\n\t]\n}\n"); -} - -// ---------------------------------------------------------------------------- -// BASH -// /api/v1/allmetrics?format=bash - -static inline size_t shell_name_copy(char *d, const char *s, size_t usable) { - size_t n; - - for(n = 0; *s && n < usable ; d++, s++, n++) { - register char c = *s; - - if(unlikely(!isalnum(c))) *d = '_'; - else *d = (char)toupper(c); - } - *d = '\0'; - - return n; -} - -#define SHELL_ELEMENT_MAX 100 - -void rrd_stats_api_v1_charts_allmetrics_shell(RRDHOST *host, BUFFER *wb) { - rrdhost_rdlock(host); - - // for each chart - RRDSET *st; - rrdset_foreach_read(st, host) { - calculated_number total = 0.0; - char chart[SHELL_ELEMENT_MAX + 1]; - shell_name_copy(chart, st->name?st->name:st->id, SHELL_ELEMENT_MAX); - - buffer_sprintf(wb, "\n# chart: %s (name: %s)\n", st->id, st->name); - if(rrdset_is_available_for_viewers(st)) { - rrdset_rdlock(st); - - // for each dimension - RRDDIM *rd; - rrddim_foreach_read(rd, st) { - if(rd->collections_counter) { - char dimension[SHELL_ELEMENT_MAX + 1]; - shell_name_copy(dimension, rd->name?rd->name:rd->id, SHELL_ELEMENT_MAX); - - calculated_number n = rd->last_stored_value; - - if(isnan(n) || isinf(n)) - buffer_sprintf(wb, "NETDATA_%s_%s=\"\" # %s\n", chart, dimension, st->units); - else { - if(rd->multiplier < 0 || rd->divisor < 0) n = -n; - n = calculated_number_round(n); - if(!rrddim_flag_check(rd, RRDDIM_FLAG_HIDDEN)) total += n; - buffer_sprintf(wb, "NETDATA_%s_%s=\"" CALCULATED_NUMBER_FORMAT_ZERO "\" # %s\n", chart, dimension, n, st->units); - } - } - } - - total = calculated_number_round(total); - buffer_sprintf(wb, "NETDATA_%s_VISIBLETOTAL=\"" CALCULATED_NUMBER_FORMAT_ZERO "\" # %s\n", chart, total, st->units); - rrdset_unlock(st); - } - } - - buffer_strcat(wb, "\n# NETDATA ALARMS RUNNING\n"); - - RRDCALC *rc; - for(rc = host->alarms; rc ;rc = rc->next) { - if(!rc->rrdset) continue; - - char chart[SHELL_ELEMENT_MAX + 1]; - shell_name_copy(chart, rc->rrdset->name?rc->rrdset->name:rc->rrdset->id, SHELL_ELEMENT_MAX); - - char alarm[SHELL_ELEMENT_MAX + 1]; - shell_name_copy(alarm, rc->name, SHELL_ELEMENT_MAX); - - calculated_number n = rc->value; - - if(isnan(n) || isinf(n)) - buffer_sprintf(wb, "NETDATA_ALARM_%s_%s_VALUE=\"\" # %s\n", chart, alarm, rc->units); - else { - n = calculated_number_round(n); - buffer_sprintf(wb, "NETDATA_ALARM_%s_%s_VALUE=\"" CALCULATED_NUMBER_FORMAT_ZERO "\" # %s\n", chart, alarm, n, rc->units); - } - - buffer_sprintf(wb, "NETDATA_ALARM_%s_%s_STATUS=\"%s\"\n", chart, alarm, rrdcalc_status2string(rc->status)); - } - - rrdhost_unlock(host); -} - -// ---------------------------------------------------------------------------- - -void rrd_stats_api_v1_charts_allmetrics_json(RRDHOST *host, BUFFER *wb) { - rrdhost_rdlock(host); - - buffer_strcat(wb, "{"); - - size_t chart_counter = 0; - size_t dimension_counter = 0; - - // for each chart - RRDSET *st; - rrdset_foreach_read(st, host) { - if(rrdset_is_available_for_viewers(st)) { - rrdset_rdlock(st); - - buffer_sprintf(wb, "%s\n" - "\t\"%s\": {\n" - "\t\t\"name\":\"%s\",\n" - "\t\t\"context\":\"%s\",\n" - "\t\t\"units\":\"%s\",\n" - "\t\t\"last_updated\": %ld,\n" - "\t\t\"dimensions\": {" - , chart_counter?",":"" - , st->id - , st->name - , st->context - , st->units - , rrdset_last_entry_t(st) - ); - - chart_counter++; - dimension_counter = 0; - - // for each dimension - RRDDIM *rd; - rrddim_foreach_read(rd, st) { - if(rd->collections_counter) { - - buffer_sprintf(wb, "%s\n" - "\t\t\t\"%s\": {\n" - "\t\t\t\t\"name\": \"%s\",\n" - "\t\t\t\t\"value\": " - , dimension_counter?",":"" - , rd->id - , rd->name - ); - - if(isnan(rd->last_stored_value)) - buffer_strcat(wb, "null"); - else - buffer_sprintf(wb, CALCULATED_NUMBER_FORMAT, rd->last_stored_value); - - buffer_strcat(wb, "\n\t\t\t}"); - - dimension_counter++; - } - } - - buffer_strcat(wb, "\n\t\t}\n\t}"); - rrdset_unlock(st); - } - } - - buffer_strcat(wb, "\n}"); - rrdhost_unlock(host); -} - -// ---------------------------------------------------------------------------- - -// RRDR dimension options -#define RRDR_EMPTY 0x01 // the dimension contains / the value is empty (null) -#define RRDR_RESET 0x02 // the dimension contains / the value is reset -#define RRDR_HIDDEN 0x04 // the dimension contains / the value is hidden -#define RRDR_NONZERO 0x08 // the dimension contains / the value is non-zero -#define RRDR_SELECTED 0x10 // the dimension is selected - -// RRDR result options -#define RRDR_RESULT_OPTION_ABSOLUTE 0x00000001 -#define RRDR_RESULT_OPTION_RELATIVE 0x00000002 - -typedef struct rrdresult { - RRDSET *st; // the chart this result refers to - - uint32_t result_options; // RRDR_RESULT_OPTION_* - - int d; // the number of dimensions - long n; // the number of values in the arrays - long rows; // the number of rows used - - uint8_t *od; // the options for the dimensions - - time_t *t; // array of n timestamps - calculated_number *v; // array n x d values - uint8_t *o; // array n x d options - - long c; // current line ( -1 ~ n ), ( -1 = none, use rrdr_rows() to get number of rows ) - - long group; // how many collected values were grouped for each row - int update_every; // what is the suggested update frequency in seconds - - calculated_number min; - calculated_number max; - - time_t before; - time_t after; - - int has_st_lock; // if st is read locked by us -} RRDR; - -#define rrdr_rows(r) ((r)->rows) - -/* -static void rrdr_dump(RRDR *r) -{ - long c, i; - RRDDIM *d; - - fprintf(stderr, "\nCHART %s (%s)\n", r->st->id, r->st->name); - - for(c = 0, d = r->st->dimensions; d ;c++, d = d->next) { - fprintf(stderr, "DIMENSION %s (%s), %s%s%s%s\n" - , d->id - , d->name - , (r->od[c] & RRDR_EMPTY)?"EMPTY ":"" - , (r->od[c] & RRDR_RESET)?"RESET ":"" - , (r->od[c] & RRDR_HIDDEN)?"HIDDEN ":"" - , (r->od[c] & RRDR_NONZERO)?"NONZERO ":"" - ); - } - - if(r->rows <= 0) { - fprintf(stderr, "RRDR does not have any values in it.\n"); - return; - } - - fprintf(stderr, "RRDR includes %d values in it:\n", r->rows); - - // for each line in the array - for(i = 0; i < r->rows ;i++) { - calculated_number *cn = &r->v[ i * r->d ]; - uint8_t *co = &r->o[ i * r->d ]; - - // print the id and the timestamp of the line - fprintf(stderr, "%ld %ld ", i + 1, r->t[i]); - - // for each dimension - for(c = 0, d = r->st->dimensions; d ;c++, d = d->next) { - if(unlikely(r->od[c] & RRDR_HIDDEN)) continue; - if(unlikely(!(r->od[c] & RRDR_NONZERO))) continue; - - if(co[c] & RRDR_EMPTY) - fprintf(stderr, "null "); - else - fprintf(stderr, CALCULATED_NUMBER_FORMAT " %s%s%s%s " - , cn[c] - , (co[c] & RRDR_EMPTY)?"E":" " - , (co[c] & RRDR_RESET)?"R":" " - , (co[c] & RRDR_HIDDEN)?"H":" " - , (co[c] & RRDR_NONZERO)?"N":" " - ); - } - - fprintf(stderr, "\n"); - } -} -*/ - -void rrdr_disable_not_selected_dimensions(RRDR *r, uint32_t options, const char *dims) { - rrdset_check_rdlock(r->st); - - if(unlikely(!dims || !*dims || (dims[0] == '*' && dims[1] == '\0'))) return; - - int match_ids = 0, match_names = 0; - - if(unlikely(options & RRDR_OPTION_MATCH_IDS)) - match_ids = 1; - if(unlikely(options & RRDR_OPTION_MATCH_NAMES)) - match_names = 1; - - if(likely(!match_ids && !match_names)) - match_ids = match_names = 1; - - SIMPLE_PATTERN *pattern = simple_pattern_create(dims, ",|\t\r\n\f\v", SIMPLE_PATTERN_EXACT); - - RRDDIM *d; - long c, dims_selected = 0, dims_not_hidden_not_zero = 0; - for(c = 0, d = r->st->dimensions; d ;c++, d = d->next) { - if( (match_ids && simple_pattern_matches(pattern, d->id)) - || (match_names && simple_pattern_matches(pattern, d->name)) - ) { - r->od[c] |= RRDR_SELECTED; - if(unlikely(r->od[c] & RRDR_HIDDEN)) r->od[c] &= ~RRDR_HIDDEN; - dims_selected++; - - // since the user needs this dimension - // make it appear as NONZERO, to return it - // even if the dimension has only zeros - // unless option non_zero is set - if(unlikely(!(options & RRDR_OPTION_NONZERO))) - r->od[c] |= RRDR_NONZERO; - - // count the visible dimensions - if(likely(r->od[c] & RRDR_NONZERO)) - dims_not_hidden_not_zero++; - } - else { - r->od[c] |= RRDR_HIDDEN; - if(unlikely(r->od[c] & RRDR_SELECTED)) r->od[c] &= ~RRDR_SELECTED; - } - } - simple_pattern_free(pattern); - - // check if all dimensions are hidden - if(unlikely(!dims_not_hidden_not_zero && dims_selected)) { - // there are a few selected dimensions - // but they are all zero - // enable the selected ones - // to avoid returning an empty chart - for(c = 0, d = r->st->dimensions; d ;c++, d = d->next) - if(unlikely(r->od[c] & RRDR_SELECTED)) - r->od[c] |= RRDR_NONZERO; - } -} - -void rrdr_buffer_print_format(BUFFER *wb, uint32_t format) -{ - switch(format) { - case DATASOURCE_JSON: - buffer_strcat(wb, DATASOURCE_FORMAT_JSON); - break; - - case DATASOURCE_DATATABLE_JSON: - buffer_strcat(wb, DATASOURCE_FORMAT_DATATABLE_JSON); - break; - - case DATASOURCE_DATATABLE_JSONP: - buffer_strcat(wb, DATASOURCE_FORMAT_DATATABLE_JSONP); - break; - - case DATASOURCE_JSONP: - buffer_strcat(wb, DATASOURCE_FORMAT_JSONP); - break; - - case DATASOURCE_SSV: - buffer_strcat(wb, DATASOURCE_FORMAT_SSV); - break; - - case DATASOURCE_CSV: - buffer_strcat(wb, DATASOURCE_FORMAT_CSV); - break; - - case DATASOURCE_TSV: - buffer_strcat(wb, DATASOURCE_FORMAT_TSV); - break; - - case DATASOURCE_HTML: - buffer_strcat(wb, DATASOURCE_FORMAT_HTML); - break; - - case DATASOURCE_JS_ARRAY: - buffer_strcat(wb, DATASOURCE_FORMAT_JS_ARRAY); - break; - - case DATASOURCE_SSV_COMMA: - buffer_strcat(wb, DATASOURCE_FORMAT_SSV_COMMA); - break; - - default: - buffer_strcat(wb, "unknown"); - break; - } -} - -uint32_t rrdr_check_options(RRDR *r, uint32_t options, const char *dims) -{ - rrdset_check_rdlock(r->st); - - (void)dims; - - if(options & RRDR_OPTION_NONZERO) { - long i; - - // commented due to #1514 - - //if(dims && *dims) { - // the caller wants specific dimensions - // disable NONZERO option - // to make sure we don't accidentally prevent - // the specific dimensions from being returned - // i = 0; - //} - //else { - // find how many dimensions are not zero - long c; - RRDDIM *rd; - for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ; c++, rd = rd->next) { - if(unlikely(r->od[c] & RRDR_HIDDEN)) continue; - if(unlikely(!(r->od[c] & RRDR_NONZERO))) continue; - i++; - } - //} - - // if with nonzero we get i = 0 (no dimensions will be returned) - // disable nonzero to show all dimensions - if(!i) options &= ~RRDR_OPTION_NONZERO; - } - - return options; -} - -void rrdr_json_wrapper_begin(RRDR *r, BUFFER *wb, uint32_t format, uint32_t options, int string_value) -{ - rrdset_check_rdlock(r->st); - - long rows = rrdr_rows(r); - long c, i; - RRDDIM *rd; - - //info("JSONWRAPPER(): %s: BEGIN", r->st->id); - char kq[2] = "", // key quote - sq[2] = ""; // string quote - - if( options & RRDR_OPTION_GOOGLE_JSON ) { - kq[0] = '\0'; - sq[0] = '\''; - } - else { - kq[0] = '"'; - sq[0] = '"'; - } - - buffer_sprintf(wb, "{\n" - " %sapi%s: 1,\n" - " %sid%s: %s%s%s,\n" - " %sname%s: %s%s%s,\n" - " %sview_update_every%s: %d,\n" - " %supdate_every%s: %d,\n" - " %sfirst_entry%s: %u,\n" - " %slast_entry%s: %u,\n" - " %sbefore%s: %u,\n" - " %safter%s: %u,\n" - " %sdimension_names%s: [" - , kq, kq - , kq, kq, sq, r->st->id, sq - , kq, kq, sq, r->st->name, sq - , kq, kq, r->update_every - , kq, kq, r->st->update_every - , kq, kq, (uint32_t)rrdset_first_entry_t(r->st) - , kq, kq, (uint32_t)rrdset_last_entry_t(r->st) - , kq, kq, (uint32_t)r->before - , kq, kq, (uint32_t)r->after - , kq, kq); - - for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) { - if(unlikely(r->od[c] & RRDR_HIDDEN)) continue; - if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue; - - if(i) buffer_strcat(wb, ", "); - buffer_strcat(wb, sq); - buffer_strcat(wb, rd->name); - buffer_strcat(wb, sq); - i++; - } - if(!i) { -#ifdef NETDATA_INTERNAL_CHECKS - error("RRDR is empty for %s (RRDR has %d dimensions, options is 0x%08x)", r->st->id, r->d, options); -#endif - rows = 0; - buffer_strcat(wb, sq); - buffer_strcat(wb, "no data"); - buffer_strcat(wb, sq); - } - - buffer_sprintf(wb, "],\n" - " %sdimension_ids%s: [" - , kq, kq); - - for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) { - if(unlikely(r->od[c] & RRDR_HIDDEN)) continue; - if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue; - - if(i) buffer_strcat(wb, ", "); - buffer_strcat(wb, sq); - buffer_strcat(wb, rd->id); - buffer_strcat(wb, sq); - i++; - } - if(!i) { - rows = 0; - buffer_strcat(wb, sq); - buffer_strcat(wb, "no data"); - buffer_strcat(wb, sq); - } - - buffer_sprintf(wb, "],\n" - " %slatest_values%s: [" - , kq, kq); - - for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) { - if(unlikely(r->od[c] & RRDR_HIDDEN)) continue; - if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue; - - if(i) buffer_strcat(wb, ", "); - i++; - - storage_number n = rd->values[rrdset_last_slot(r->st)]; - - if(!does_storage_number_exist(n)) - buffer_strcat(wb, "null"); - else - buffer_rrd_value(wb, unpack_storage_number(n)); - } - if(!i) { - rows = 0; - buffer_strcat(wb, "null"); - } - - buffer_sprintf(wb, "],\n" - " %sview_latest_values%s: [" - , kq, kq); - - i = 0; - if(rows) { - calculated_number total = 1; - - if(unlikely(options & RRDR_OPTION_PERCENTAGE)) { - total = 0; - for(c = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) { - calculated_number *cn = &r->v[ (0) * r->d ]; - calculated_number n = cn[c]; - - if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0)) - n = -n; - - total += n; - } - // prevent a division by zero - if(total == 0) total = 1; - } - - for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) { - if(unlikely(r->od[c] & RRDR_HIDDEN)) continue; - if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue; - - if(i) buffer_strcat(wb, ", "); - i++; - - calculated_number *cn = &r->v[ (0) * r->d ]; - uint8_t *co = &r->o[ (0) * r->d ]; - calculated_number n = cn[c]; - - if(co[c] & RRDR_EMPTY) { - if(options & RRDR_OPTION_NULL2ZERO) - buffer_strcat(wb, "0"); - else - buffer_strcat(wb, "null"); - } - else { - if(unlikely((options & RRDR_OPTION_ABSOLUTE) && n < 0)) - n = -n; - - if(unlikely(options & RRDR_OPTION_PERCENTAGE)) - n = n * 100 / total; - - buffer_rrd_value(wb, n); - } - } - } - if(!i) { - rows = 0; - buffer_strcat(wb, "null"); - } - - buffer_sprintf(wb, "],\n" - " %sdimensions%s: %ld,\n" - " %spoints%s: %ld,\n" - " %sformat%s: %s" - , kq, kq, i - , kq, kq, rows - , kq, kq, sq - ); - - rrdr_buffer_print_format(wb, format); - - buffer_sprintf(wb, "%s,\n" - " %sresult%s: " - , sq - , kq, kq - ); - - if(string_value) buffer_strcat(wb, sq); - //info("JSONWRAPPER(): %s: END", r->st->id); -} - -void rrdr_json_wrapper_end(RRDR *r, BUFFER *wb, uint32_t format, uint32_t options, int string_value) -{ - (void)format; - - char kq[2] = "", // key quote - sq[2] = ""; // string quote - - if( options & RRDR_OPTION_GOOGLE_JSON ) { - kq[0] = '\0'; - sq[0] = '\''; - } - else { - kq[0] = '"'; - sq[0] = '"'; - } - - if(string_value) buffer_strcat(wb, sq); - - buffer_sprintf(wb, ",\n %smin%s: ", kq, kq); - buffer_rrd_value(wb, r->min); - buffer_sprintf(wb, ",\n %smax%s: ", kq, kq); - buffer_rrd_value(wb, r->max); - buffer_strcat(wb, "\n}\n"); -} - -#define JSON_DATES_JS 1 -#define JSON_DATES_TIMESTAMP 2 - -static void rrdr2json(RRDR *r, BUFFER *wb, uint32_t options, int datatable) -{ - rrdset_check_rdlock(r->st); - - //info("RRD2JSON(): %s: BEGIN", r->st->id); - int row_annotations = 0, dates, dates_with_new = 0; - char kq[2] = "", // key quote - sq[2] = "", // string quote - pre_label[101] = "", // before each label - post_label[101] = "", // after each label - pre_date[101] = "", // the beginning of line, to the date - post_date[101] = "", // closing the date - pre_value[101] = "", // before each value - post_value[101] = "", // after each value - post_line[101] = "", // at the end of each row - normal_annotation[201] = "", // default row annotation - overflow_annotation[201] = "", // overflow row annotation - data_begin[101] = "", // between labels and values - finish[101] = ""; // at the end of everything - - if(datatable) { - dates = JSON_DATES_JS; - if( options & RRDR_OPTION_GOOGLE_JSON ) { - kq[0] = '\0'; - sq[0] = '\''; - } - else { - kq[0] = '"'; - sq[0] = '"'; - } - row_annotations = 1; - snprintfz(pre_date, 100, " {%sc%s:[{%sv%s:%s", kq, kq, kq, kq, sq); - snprintfz(post_date, 100, "%s}", sq); - snprintfz(pre_label, 100, ",\n {%sid%s:%s%s,%slabel%s:%s", kq, kq, sq, sq, kq, kq, sq); - snprintfz(post_label, 100, "%s,%spattern%s:%s%s,%stype%s:%snumber%s}", sq, kq, kq, sq, sq, kq, kq, sq, sq); - snprintfz(pre_value, 100, ",{%sv%s:", kq, kq); - strcpy(post_value, "}"); - strcpy(post_line, "]}"); - snprintfz(data_begin, 100, "\n ],\n %srows%s:\n [\n", kq, kq); - strcpy(finish, "\n ]\n}"); - - snprintfz(overflow_annotation, 200, ",{%sv%s:%sRESET OR OVERFLOW%s},{%sv%s:%sThe counters have been wrapped.%s}", kq, kq, sq, sq, kq, kq, sq, sq); - snprintfz(normal_annotation, 200, ",{%sv%s:null},{%sv%s:null}", kq, kq, kq, kq); - - buffer_sprintf(wb, "{\n %scols%s:\n [\n", kq, kq); - buffer_sprintf(wb, " {%sid%s:%s%s,%slabel%s:%stime%s,%spattern%s:%s%s,%stype%s:%sdatetime%s},\n", kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq); - buffer_sprintf(wb, " {%sid%s:%s%s,%slabel%s:%s%s,%spattern%s:%s%s,%stype%s:%sstring%s,%sp%s:{%srole%s:%sannotation%s}},\n", kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, kq, kq, sq, sq); - buffer_sprintf(wb, " {%sid%s:%s%s,%slabel%s:%s%s,%spattern%s:%s%s,%stype%s:%sstring%s,%sp%s:{%srole%s:%sannotationText%s}}", kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, kq, kq, sq, sq); - - // remove the valueobjects flag - // google wants its own keys - if(options & RRDR_OPTION_OBJECTSROWS) - options &= ~RRDR_OPTION_OBJECTSROWS; - } - else { - kq[0] = '"'; - sq[0] = '"'; - if(options & RRDR_OPTION_GOOGLE_JSON) { - dates = JSON_DATES_JS; - dates_with_new = 1; - } - else { - dates = JSON_DATES_TIMESTAMP; - dates_with_new = 0; - } - if( options & RRDR_OPTION_OBJECTSROWS ) - strcpy(pre_date, " { "); - else - strcpy(pre_date, " [ "); - strcpy(pre_label, ", \""); - strcpy(post_label, "\""); - strcpy(pre_value, ", "); - if( options & RRDR_OPTION_OBJECTSROWS ) - strcpy(post_line, "}"); - else - strcpy(post_line, "]"); - snprintfz(data_begin, 100, "],\n %sdata%s:\n [\n", kq, kq); - strcpy(finish, "\n ]\n}"); - - buffer_sprintf(wb, "{\n %slabels%s: [", kq, kq); - buffer_sprintf(wb, "%stime%s", sq, sq); - } - - // ------------------------------------------------------------------------- - // print the JSON header - - long c, i; - RRDDIM *rd; - - // print the header lines - for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) { - if(unlikely(r->od[c] & RRDR_HIDDEN)) continue; - if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue; - - buffer_strcat(wb, pre_label); - buffer_strcat(wb, rd->name); - buffer_strcat(wb, post_label); - i++; - } - if(!i) { - buffer_strcat(wb, pre_label); - buffer_strcat(wb, "no data"); - buffer_strcat(wb, post_label); - } - - // print the begin of row data - buffer_strcat(wb, data_begin); - - // if all dimensions are hidden, print a null - if(!i) { - buffer_strcat(wb, finish); - return; - } - - long start = 0, end = rrdr_rows(r), step = 1; - if((options & RRDR_OPTION_REVERSED)) { - start = rrdr_rows(r) - 1; - end = -1; - step = -1; - } - - // for each line in the array - calculated_number total = 1; - for(i = start; i != end ;i += step) { - calculated_number *cn = &r->v[ i * r->d ]; - uint8_t *co = &r->o[ i * r->d ]; - - time_t now = r->t[i]; - - if(dates == JSON_DATES_JS) { - // generate the local date time - struct tm tmbuf, *tm = localtime_r(&now, &tmbuf); - if(!tm) { error("localtime_r() failed."); continue; } - - if(likely(i != start)) buffer_strcat(wb, ",\n"); - buffer_strcat(wb, pre_date); - - if( options & RRDR_OPTION_OBJECTSROWS ) - buffer_sprintf(wb, "%stime%s: ", kq, kq); - - if(dates_with_new) - buffer_strcat(wb, "new "); - - buffer_jsdate(wb, tm->tm_year + 1900, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); - - buffer_strcat(wb, post_date); - - if(row_annotations) { - // google supports one annotation per row - int annotation_found = 0; - for(c = 0, rd = r->st->dimensions; rd ;c++, rd = rd->next) { - if(co[c] & RRDR_RESET) { - buffer_strcat(wb, overflow_annotation); - annotation_found = 1; - break; - } - } - if(!annotation_found) - buffer_strcat(wb, normal_annotation); - } - } - else { - // print the timestamp of the line - if(likely(i != start)) buffer_strcat(wb, ",\n"); - buffer_strcat(wb, pre_date); - - if( options & RRDR_OPTION_OBJECTSROWS ) - buffer_sprintf(wb, "%stime%s: ", kq, kq); - - buffer_rrd_value(wb, (calculated_number)r->t[i]); - // in ms - if(options & RRDR_OPTION_MILLISECONDS) buffer_strcat(wb, "000"); - - buffer_strcat(wb, post_date); - } - - int set_min_max = 0; - if(unlikely(options & RRDR_OPTION_PERCENTAGE)) { - total = 0; - for(c = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) { - calculated_number n = cn[c]; - - if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0)) - n = -n; - - total += n; - } - // prevent a division by zero - if(total == 0) total = 1; - set_min_max = 1; - } - - // for each dimension - for(c = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) { - if(unlikely(r->od[c] & RRDR_HIDDEN)) continue; - if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue; - - calculated_number n = cn[c]; - - buffer_strcat(wb, pre_value); - - if( options & RRDR_OPTION_OBJECTSROWS ) - buffer_sprintf(wb, "%s%s%s: ", kq, rd->name, kq); - - if(co[c] & RRDR_EMPTY) { - if(options & RRDR_OPTION_NULL2ZERO) - buffer_strcat(wb, "0"); - else - buffer_strcat(wb, "null"); - } - else { - if(unlikely((options & RRDR_OPTION_ABSOLUTE) && n < 0)) - n = -n; - - if(unlikely(options & RRDR_OPTION_PERCENTAGE)) { - n = n * 100 / total; - - if(unlikely(set_min_max)) { - r->min = r->max = n; - set_min_max = 0; - } - - if(n < r->min) r->min = n; - if(n > r->max) r->max = n; - } - - buffer_rrd_value(wb, n); - } - - buffer_strcat(wb, post_value); - } - - buffer_strcat(wb, post_line); - } - - buffer_strcat(wb, finish); - //info("RRD2JSON(): %s: END", r->st->id); -} - -static void rrdr2csv(RRDR *r, BUFFER *wb, uint32_t options, const char *startline, const char *separator, const char *endline, const char *betweenlines) -{ - rrdset_check_rdlock(r->st); - - //info("RRD2CSV(): %s: BEGIN", r->st->id); - long c, i; - RRDDIM *d; - - // print the csv header - for(c = 0, i = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) { - if(unlikely(r->od[c] & RRDR_HIDDEN)) continue; - if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue; - - if(!i) { - buffer_strcat(wb, startline); - if(options & RRDR_OPTION_LABEL_QUOTES) buffer_strcat(wb, "\""); - buffer_strcat(wb, "time"); - if(options & RRDR_OPTION_LABEL_QUOTES) buffer_strcat(wb, "\""); - } - buffer_strcat(wb, separator); - if(options & RRDR_OPTION_LABEL_QUOTES) buffer_strcat(wb, "\""); - buffer_strcat(wb, d->name); - if(options & RRDR_OPTION_LABEL_QUOTES) buffer_strcat(wb, "\""); - i++; - } - buffer_strcat(wb, endline); - - if(!i) { - // no dimensions present - return; - } - - long start = 0, end = rrdr_rows(r), step = 1; - if((options & RRDR_OPTION_REVERSED)) { - start = rrdr_rows(r) - 1; - end = -1; - step = -1; - } - - // for each line in the array - calculated_number total = 1; - for(i = start; i != end ;i += step) { - calculated_number *cn = &r->v[ i * r->d ]; - uint8_t *co = &r->o[ i * r->d ]; - - buffer_strcat(wb, betweenlines); - buffer_strcat(wb, startline); - - time_t now = r->t[i]; - - if((options & RRDR_OPTION_SECONDS) || (options & RRDR_OPTION_MILLISECONDS)) { - // print the timestamp of the line - buffer_rrd_value(wb, (calculated_number)now); - // in ms - if(options & RRDR_OPTION_MILLISECONDS) buffer_strcat(wb, "000"); - } - else { - // generate the local date time - struct tm tmbuf, *tm = localtime_r(&now, &tmbuf); - if(!tm) { error("localtime() failed."); continue; } - buffer_date(wb, tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); - } - - int set_min_max = 0; - if(unlikely(options & RRDR_OPTION_PERCENTAGE)) { - total = 0; - for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) { - calculated_number n = cn[c]; - - if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0)) - n = -n; - - total += n; - } - // prevent a division by zero - if(total == 0) total = 1; - set_min_max = 1; - } - - // for each dimension - for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) { - if(unlikely(r->od[c] & RRDR_HIDDEN)) continue; - if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue; - - buffer_strcat(wb, separator); - - calculated_number n = cn[c]; - - if(co[c] & RRDR_EMPTY) { - if(options & RRDR_OPTION_NULL2ZERO) - buffer_strcat(wb, "0"); - else - buffer_strcat(wb, "null"); - } - else { - if(unlikely((options & RRDR_OPTION_ABSOLUTE) && n < 0)) - n = -n; - - if(unlikely(options & RRDR_OPTION_PERCENTAGE)) { - n = n * 100 / total; - - if(unlikely(set_min_max)) { - r->min = r->max = n; - set_min_max = 0; - } - - if(n < r->min) r->min = n; - if(n > r->max) r->max = n; - } - - buffer_rrd_value(wb, n); - } - } - - buffer_strcat(wb, endline); - } - //info("RRD2CSV(): %s: END", r->st->id); -} - -inline static calculated_number rrdr2value(RRDR *r, long i, uint32_t options, int *all_values_are_null) { - rrdset_check_rdlock(r->st); - - long c; - RRDDIM *d; - - calculated_number *cn = &r->v[ i * r->d ]; - uint8_t *co = &r->o[ i * r->d ]; - - calculated_number sum = 0, min = 0, max = 0, v; - int all_null = 1, init = 1; - - calculated_number total = 1; - int set_min_max = 0; - if(unlikely(options & RRDR_OPTION_PERCENTAGE)) { - total = 0; - for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) { - calculated_number n = cn[c]; - - if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0)) - n = -n; - - total += n; - } - // prevent a division by zero - if(total == 0) total = 1; - set_min_max = 1; - } - - // for each dimension - for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) { - if(unlikely(r->od[c] & RRDR_HIDDEN)) continue; - if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue; - - calculated_number n = cn[c]; - - if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0)) - n = -n; - - if(unlikely(options & RRDR_OPTION_PERCENTAGE)) { - n = n * 100 / total; - - if(unlikely(set_min_max)) { - r->min = r->max = n; - set_min_max = 0; - } - - if(n < r->min) r->min = n; - if(n > r->max) r->max = n; - } - - if(unlikely(init)) { - if(n > 0) { - min = 0; - max = n; - } - else { - min = n; - max = 0; - } - init = 0; - } - - if(likely(!(co[c] & RRDR_EMPTY))) { - all_null = 0; - sum += n; - } - - if(n < min) min = n; - if(n > max) max = n; - } - - if(unlikely(all_null)) { - if(likely(all_values_are_null)) - *all_values_are_null = 1; - return 0; - } - else { - if(likely(all_values_are_null)) - *all_values_are_null = 0; - } - - if(options & RRDR_OPTION_MIN2MAX) - v = max - min; - else - v = sum; - - return v; -} - -static void rrdr2ssv(RRDR *r, BUFFER *wb, uint32_t options, const char *prefix, const char *separator, const char *suffix) -{ - //info("RRD2SSV(): %s: BEGIN", r->st->id); - long i; - - buffer_strcat(wb, prefix); - long start = 0, end = rrdr_rows(r), step = 1; - if((options & RRDR_OPTION_REVERSED)) { - start = rrdr_rows(r) - 1; - end = -1; - step = -1; - } - - // for each line in the array - for(i = start; i != end ;i += step) { - int all_values_are_null = 0; - calculated_number v = rrdr2value(r, i, options, &all_values_are_null); - - if(likely(i != start)) { - if(r->min > v) r->min = v; - if(r->max < v) r->max = v; - } - else { - r->min = v; - r->max = v; - } - - if(likely(i != start)) - buffer_strcat(wb, separator); - - if(all_values_are_null) { - if(options & RRDR_OPTION_NULL2ZERO) - buffer_strcat(wb, "0"); - else - buffer_strcat(wb, "null"); - } - else - buffer_rrd_value(wb, v); - } - buffer_strcat(wb, suffix); - //info("RRD2SSV(): %s: END", r->st->id); -} - -inline static calculated_number *rrdr_line_values(RRDR *r) -{ - return &r->v[ r->c * r->d ]; -} - -inline static uint8_t *rrdr_line_options(RRDR *r) -{ - return &r->o[ r->c * r->d ]; -} - -inline static int rrdr_line_init(RRDR *r, time_t t) -{ - r->c++; - - if(unlikely(r->c >= r->n)) { - error("requested to step above RRDR size for chart %s", r->st->name); - r->c = r->n - 1; - } - - // save the time - r->t[r->c] = t; - - return 1; -} - -inline static void rrdr_lock_rrdset(RRDR *r) { - if(unlikely(!r)) { - error("NULL value given!"); - return; - } - - rrdset_rdlock(r->st); - r->has_st_lock = 1; -} - -inline static void rrdr_unlock_rrdset(RRDR *r) { - if(unlikely(!r)) { - error("NULL value given!"); - return; - } - - if(likely(r->has_st_lock)) { - rrdset_unlock(r->st); - r->has_st_lock = 0; - } -} - -inline static void rrdr_free(RRDR *r) -{ - if(unlikely(!r)) { - error("NULL value given!"); - return; - } - - rrdr_unlock_rrdset(r); - freez(r->t); - freez(r->v); - freez(r->o); - freez(r->od); - freez(r); -} - -static inline void rrdr_done(RRDR *r) -{ - r->rows = r->c + 1; - r->c = 0; -} - -static RRDR *rrdr_create(RRDSET *st, long n) -{ - if(unlikely(!st)) { - error("NULL value given!"); - return NULL; - } - - RRDR *r = callocz(1, sizeof(RRDR)); - r->st = st; - - rrdr_lock_rrdset(r); - - RRDDIM *rd; - rrddim_foreach_read(rd, st) r->d++; - - r->n = n; - - r->t = mallocz(n * sizeof(time_t)); - r->v = mallocz(n * r->d * sizeof(calculated_number)); - r->o = mallocz(n * r->d * sizeof(uint8_t)); - r->od = mallocz(r->d * sizeof(uint8_t)); - - // set the hidden flag on hidden dimensions - int c; - for(c = 0, rd = st->dimensions ; rd ; c++, rd = rd->next) { - if(unlikely(rrddim_flag_check(rd, RRDDIM_FLAG_HIDDEN))) - r->od[c] = RRDR_HIDDEN; - else - r->od[c] = 0; - } - - r->c = -1; - r->group = 1; - r->update_every = 1; - - return r; -} - -RRDR *rrd2rrdr(RRDSET *st, long points, long long after, long long before, int group_method, long group_time, int aligned) -{ -#ifdef NETDATA_INTERNAL_CHECKS - int debug = rrdset_flag_check(st, RRDSET_FLAG_DEBUG)?1:0; -#endif - int absolute_period_requested = -1; - - time_t first_entry_t = rrdset_first_entry_t(st); - time_t last_entry_t = rrdset_last_entry_t(st); - - if(before == 0 && after == 0) { - // dump the all the data - before = last_entry_t; - after = first_entry_t; - absolute_period_requested = 0; - } - - // allow relative for before (smaller than API_RELATIVE_TIME_MAX) - if(((before < 0)?-before:before) <= API_RELATIVE_TIME_MAX) { - if(abs(before) % st->update_every) { - // make sure it is multiple of st->update_every - if(before < 0) before = before - st->update_every - before % st->update_every; - else before = before + st->update_every - before % st->update_every; - } - if(before > 0) before = first_entry_t + before; - else before = last_entry_t + before; - absolute_period_requested = 0; - } - - // allow relative for after (smaller than API_RELATIVE_TIME_MAX) - if(((after < 0)?-after:after) <= API_RELATIVE_TIME_MAX) { - if(after == 0) after = -st->update_every; - if(abs(after) % st->update_every) { - // make sure it is multiple of st->update_every - if(after < 0) after = after - st->update_every - after % st->update_every; - else after = after + st->update_every - after % st->update_every; - } - after = before + after; - absolute_period_requested = 0; - } - - if(absolute_period_requested == -1) - absolute_period_requested = 1; - - // make sure they are within our timeframe - if(before > last_entry_t) before = last_entry_t; - if(before < first_entry_t) before = first_entry_t; - - if(after > last_entry_t) after = last_entry_t; - if(after < first_entry_t) after = first_entry_t; - - // check if they are upside down - if(after > before) { - time_t tmp = before; - before = after; - after = tmp; - } - - // the duration of the chart - time_t duration = before - after; - long available_points = duration / st->update_every; - - if(duration <= 0 || available_points <= 0) - return rrdr_create(st, 1); - - // check the number of wanted points in the result - if(unlikely(points < 0)) points = -points; - if(unlikely(points > available_points)) points = available_points; - if(unlikely(points == 0)) points = available_points; - - // calculate the desired grouping of source data points - long group = available_points / points; - if(unlikely(group <= 0)) group = 1; - if(unlikely(available_points % points > points / 2)) group++; // rounding to the closest integer - - // group_time enforces a certain grouping multiple - calculated_number group_sum_divisor = 1.0; - long group_points = 1; - if(unlikely(group_time > st->update_every)) { - if (unlikely(group_time > duration)) { - // group_time is above the available duration - - #ifdef NETDATA_INTERNAL_CHECKS - info("INTERNAL CHECK: %s: requested gtime %ld secs, is greater than the desired duration %ld secs", st->id, group_time, duration); - #endif - - group = points; // use all the points - } - else { - // the points we should group to satisfy gtime - group_points = group_time / st->update_every; - if(unlikely(group_time % group_points)) { - #ifdef NETDATA_INTERNAL_CHECKS - info("INTERNAL CHECK: %s: requested gtime %ld secs, is not a multiple of the chart's data collection frequency %d secs", st->id, group_time, st->update_every); - #endif - - group_points++; - } - - // adapt group according to group_points - if(unlikely(group < group_points)) group = group_points; // do not allow grouping below the desired one - if(unlikely(group % group_points)) group += group_points - (group % group_points); // make sure group is multiple of group_points - - //group_sum_divisor = group / group_points; - group_sum_divisor = (calculated_number)(group * st->update_every) / (calculated_number)group_time; - } - } - - time_t after_new = after - (after % ( ((aligned)?group:1) * st->update_every )); - time_t before_new = before - (before % ( ((aligned)?group:1) * st->update_every )); - long points_new = (before_new - after_new) / st->update_every / group; - - // find the starting and ending slots in our round robin db - long start_at_slot = rrdset_time2slot(st, before_new), - stop_at_slot = rrdset_time2slot(st, after_new); - -#ifdef NETDATA_INTERNAL_CHECKS - if(after_new < first_entry_t) - error("INTERNAL CHECK: after_new %u is too small, minimum %u", (uint32_t)after_new, (uint32_t)first_entry_t); - - if(after_new > last_entry_t) - error("INTERNAL CHECK: after_new %u is too big, maximum %u", (uint32_t)after_new, (uint32_t)last_entry_t); - - if(before_new < first_entry_t) - error("INTERNAL CHECK: before_new %u is too small, minimum %u", (uint32_t)before_new, (uint32_t)first_entry_t); - - if(before_new > last_entry_t) - error("INTERNAL CHECK: before_new %u is too big, maximum %u", (uint32_t)before_new, (uint32_t)last_entry_t); - - if(start_at_slot < 0 || start_at_slot >= st->entries) - error("INTERNAL CHECK: start_at_slot is invalid %ld, expected 0 to %ld", start_at_slot, st->entries - 1); - - if(stop_at_slot < 0 || stop_at_slot >= st->entries) - error("INTERNAL CHECK: stop_at_slot is invalid %ld, expected 0 to %ld", stop_at_slot, st->entries - 1); - - if(points_new > (before_new - after_new) / group / st->update_every + 1) - error("INTERNAL CHECK: points_new %ld is more than points %ld", points_new, (before_new - after_new) / group / st->update_every + 1); - - if(group < group_points) - error("INTERNAL CHECK: group %ld is less than the desired group points %ld", group, group_points); - - if(group > group_points && group % group_points) - error("INTERNAL CHECK: group %ld is not a multiple of the desired group points %ld", group, group_points); -#endif - - //info("RRD2RRDR(): %s: wanted %ld points, got %ld - group=%ld, wanted duration=%u, got %u - wanted %ld - %ld, got %ld - %ld", st->id, points, points_new, group, before - after, before_new - after_new, after, before, after_new, before_new); - - after = after_new; - before = before_new; - duration = before - after; - points = points_new; - - // Now we have: - // before = the end time of the calculation - // after = the start time of the calculation - // duration = the duration of the calculation - // group = the number of source points to aggregate / group together - // method = the method of grouping source points - // points = the number of points to generate - - - // ------------------------------------------------------------------------- - // initialize our result set - - RRDR *r = rrdr_create(st, points); - if(unlikely(!r)) { -#ifdef NETDATA_INTERNAL_CHECKS - error("INTERNAL CHECK: Cannot create RRDR for %s, after=%u, before=%u, duration=%u, points=%ld", st->id, (uint32_t)after, (uint32_t)before, (uint32_t)duration, points); -#endif - return NULL; - } - - if(unlikely(!r->d)) { -#ifdef NETDATA_INTERNAL_CHECKS - error("INTERNAL CHECK: Returning empty RRDR (no dimensions in RRDSET) for %s, after=%u, before=%u, duration=%u, points=%ld", st->id, (uint32_t)after, (uint32_t)before, (uint32_t)duration, points); -#endif - return r; - } - - if(unlikely(absolute_period_requested == 1)) - r->result_options |= RRDR_RESULT_OPTION_ABSOLUTE; - else - r->result_options |= RRDR_RESULT_OPTION_RELATIVE; - - // find how many dimensions we have - long dimensions = r->d; - - - // ------------------------------------------------------------------------- - // checks for debugging -#ifdef NETDATA_INTERNAL_CHECKS - if(debug) debug(D_RRD_STATS, "INFO %s first_t: %u, last_t: %u, all_duration: %u, after: %u, before: %u, duration: %u, points: %ld, group: %ld, group_points: %ld" - , st->id - , (uint32_t)first_entry_t - , (uint32_t)last_entry_t - , (uint32_t)(last_entry_t - first_entry_t) - , (uint32_t)after - , (uint32_t)before - , (uint32_t)duration - , points - , group - , group_points - ); -#endif - - // ------------------------------------------------------------------------- - // temp arrays for keeping values per dimension - - calculated_number last_values[dimensions]; // keep the last value of each dimension - calculated_number group_values[dimensions]; // keep sums when grouping - long group_counts[dimensions]; // keep the number of values added to group_values - uint8_t group_options[dimensions]; - uint8_t found_non_zero[dimensions]; - - - // initialize them - RRDDIM *rd; - long c; - rrdset_check_rdlock(st); - for( rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) { - last_values[c] = 0; - group_values[c] = (group_method == GROUP_MAX || group_method == GROUP_MIN)?NAN:0; - group_counts[c] = 0; - group_options[c] = 0; - found_non_zero[c] = 0; - } - - - // ------------------------------------------------------------------------- - // the main loop - - time_t now = rrdset_slot2time(st, start_at_slot), - dt = st->update_every, - group_start_t = 0; - -#ifdef NETDATA_INTERNAL_CHECKS - if(unlikely(debug)) debug(D_RRD_STATS, "BEGIN %s after_t: %u (stop_at_t: %ld), before_t: %u (start_at_t: %ld), start_t(now): %u, current_entry: %ld, entries: %ld" - , st->id - , (uint32_t)after - , stop_at_slot - , (uint32_t)before - , start_at_slot - , (uint32_t)now - , st->current_entry - , st->entries - ); -#endif - - r->group = group; - r->update_every = (int)group * st->update_every; - r->before = now; - r->after = now; - - //info("RRD2RRDR(): %s: STARTING", st->id); - - long slot = start_at_slot, counter = 0, stop_now = 0, added = 0, group_count = 0, add_this = 0; - for(; !stop_now ; now -= dt, slot--, counter++) { - if(unlikely(slot < 0)) slot = st->entries - 1; - if(unlikely(slot == stop_at_slot)) stop_now = counter; - -#ifdef NETDATA_INTERNAL_CHECKS - if(unlikely(debug)) debug(D_RRD_STATS, "ROW %s slot: %ld, entries_counter: %ld, group_count: %ld, added: %ld, now: %ld, %s %s" - , st->id - , slot - , counter - , group_count + 1 - , added - , now - , (group_count + 1 == group)?"PRINT":" - " - , (now >= after && now <= before)?"RANGE":" - " - ); -#endif - - // make sure we return data in the proper time range - if(unlikely(now > before)) continue; - if(unlikely(now < after)) break; - - if(unlikely(group_count == 0)) group_start_t = now; - group_count++; - - if(unlikely(group_count == group)) { - if(unlikely(added >= points)) break; - add_this = 1; - } - - // do the calculations - for(rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) { - storage_number n = rd->values[slot]; - if(unlikely(!does_storage_number_exist(n))) continue; - - group_counts[c]++; - - calculated_number value = unpack_storage_number(n); - if(likely(value != 0.0)) { - group_options[c] |= RRDR_NONZERO; - found_non_zero[c] = 1; - } - - if(unlikely(did_storage_number_reset(n))) - group_options[c] |= RRDR_RESET; - - switch(group_method) { - case GROUP_MIN: - if(unlikely(isnan(group_values[c])) || - calculated_number_fabs(value) < calculated_number_fabs(group_values[c])) - group_values[c] = value; - break; - - case GROUP_MAX: - if(unlikely(isnan(group_values[c])) || - calculated_number_fabs(value) > calculated_number_fabs(group_values[c])) - group_values[c] = value; - break; - - default: - case GROUP_SUM: - case GROUP_AVERAGE: - case GROUP_UNDEFINED: - group_values[c] += value; - break; - - case GROUP_INCREMENTAL_SUM: - if(unlikely(slot == start_at_slot)) - last_values[c] = value; - - group_values[c] += last_values[c] - value; - last_values[c] = value; - break; - } - } - - // added it - if(unlikely(add_this)) { - if(unlikely(!rrdr_line_init(r, group_start_t))) break; - - r->after = now; - - calculated_number *cn = rrdr_line_values(r); - uint8_t *co = rrdr_line_options(r); - - for(rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) { - - // update the dimension options - if(likely(found_non_zero[c])) r->od[c] |= RRDR_NONZERO; - - // store the specific point options - co[c] = group_options[c]; - - // store the value - if(unlikely(group_counts[c] == 0)) { - cn[c] = 0.0; - co[c] |= RRDR_EMPTY; - group_values[c] = (group_method == GROUP_MAX || group_method == GROUP_MIN)?NAN:0; - } - else { - switch(group_method) { - case GROUP_MIN: - case GROUP_MAX: - if(unlikely(isnan(group_values[c]))) - cn[c] = 0; - else { - cn[c] = group_values[c]; - group_values[c] = NAN; - } - break; - - case GROUP_SUM: - case GROUP_INCREMENTAL_SUM: - cn[c] = group_values[c]; - group_values[c] = 0; - break; - - default: - case GROUP_AVERAGE: - case GROUP_UNDEFINED: - if(unlikely(group_points != 1)) - cn[c] = group_values[c] / group_sum_divisor; - else - cn[c] = group_values[c] / group_counts[c]; - - group_values[c] = 0; - break; - } - - if(cn[c] < r->min) r->min = cn[c]; - if(cn[c] > r->max) r->max = cn[c]; - } - - // reset for the next loop - group_counts[c] = 0; - group_options[c] = 0; - } - - added++; - group_count = 0; - add_this = 0; - } - } - - rrdr_done(r); - //info("RRD2RRDR(): %s: END %ld loops made, %ld points generated", st->id, counter, rrdr_rows(r)); - //error("SHIFT: %s: wanted %ld points, got %ld", st->id, points, rrdr_rows(r)); - return r; -} - -int rrdset2value_api_v1( - RRDSET *st - , BUFFER *wb - , calculated_number *n - , const char *dimensions - , long points - , long long after - , long long before - , int group_method - , long group_time - , uint32_t options - , time_t *db_after - , time_t *db_before - , int *value_is_null -) { - RRDR *r = rrd2rrdr(st, points, after, before, group_method, group_time, !(options & RRDR_OPTION_NOT_ALIGNED)); - if(!r) { - if(value_is_null) *value_is_null = 1; - return 500; - } - - if(rrdr_rows(r) == 0) { - rrdr_free(r); - - if(db_after) *db_after = 0; - if(db_before) *db_before = 0; - if(value_is_null) *value_is_null = 1; - - return 400; - } - - if(wb) { - if (r->result_options & RRDR_RESULT_OPTION_RELATIVE) - buffer_no_cacheable(wb); - else if (r->result_options & RRDR_RESULT_OPTION_ABSOLUTE) - buffer_cacheable(wb); - } - - options = rrdr_check_options(r, options, dimensions); - - if(dimensions) - rrdr_disable_not_selected_dimensions(r, options, dimensions); - - if(db_after) *db_after = r->after; - if(db_before) *db_before = r->before; - - long i = (options & RRDR_OPTION_REVERSED)?rrdr_rows(r) - 1:0; - *n = rrdr2value(r, i, options, value_is_null); - - rrdr_free(r); - return 200; -} - -int rrdset2anything_api_v1( - RRDSET *st - , BUFFER *wb - , BUFFER *dimensions - , uint32_t format - , long points - , long long after - , long long before - , int group_method - , long group_time - , uint32_t options - , time_t *latest_timestamp -) { - st->last_accessed_time = now_realtime_sec(); - - RRDR *r = rrd2rrdr(st, points, after, before, group_method, group_time, !(options & RRDR_OPTION_NOT_ALIGNED)); - if(!r) { - buffer_strcat(wb, "Cannot generate output with these parameters on this chart."); - return 500; - } - - if(r->result_options & RRDR_RESULT_OPTION_RELATIVE) - buffer_no_cacheable(wb); - else if(r->result_options & RRDR_RESULT_OPTION_ABSOLUTE) - buffer_cacheable(wb); - - options = rrdr_check_options(r, options, (dimensions)?buffer_tostring(dimensions):NULL); - - if(dimensions) - rrdr_disable_not_selected_dimensions(r, options, buffer_tostring(dimensions)); - - if(latest_timestamp && rrdr_rows(r) > 0) - *latest_timestamp = r->before; - - switch(format) { - case DATASOURCE_SSV: - if(options & RRDR_OPTION_JSON_WRAP) { - wb->contenttype = CT_APPLICATION_JSON; - rrdr_json_wrapper_begin(r, wb, format, options, 1); - rrdr2ssv(r, wb, options, "", " ", ""); - rrdr_json_wrapper_end(r, wb, format, options, 1); - } - else { - wb->contenttype = CT_TEXT_PLAIN; - rrdr2ssv(r, wb, options, "", " ", ""); - } - break; - - case DATASOURCE_SSV_COMMA: - if(options & RRDR_OPTION_JSON_WRAP) { - wb->contenttype = CT_APPLICATION_JSON; - rrdr_json_wrapper_begin(r, wb, format, options, 1); - rrdr2ssv(r, wb, options, "", ",", ""); - rrdr_json_wrapper_end(r, wb, format, options, 1); - } - else { - wb->contenttype = CT_TEXT_PLAIN; - rrdr2ssv(r, wb, options, "", ",", ""); - } - break; - - case DATASOURCE_JS_ARRAY: - if(options & RRDR_OPTION_JSON_WRAP) { - wb->contenttype = CT_APPLICATION_JSON; - rrdr_json_wrapper_begin(r, wb, format, options, 0); - rrdr2ssv(r, wb, options, "[", ",", "]"); - rrdr_json_wrapper_end(r, wb, format, options, 0); - } - else { - wb->contenttype = CT_APPLICATION_JSON; - rrdr2ssv(r, wb, options, "[", ",", "]"); - } - break; - - case DATASOURCE_CSV: - if(options & RRDR_OPTION_JSON_WRAP) { - wb->contenttype = CT_APPLICATION_JSON; - rrdr_json_wrapper_begin(r, wb, format, options, 1); - rrdr2csv(r, wb, options, "", ",", "\\n", ""); - rrdr_json_wrapper_end(r, wb, format, options, 1); - } - else { - wb->contenttype = CT_TEXT_PLAIN; - rrdr2csv(r, wb, options, "", ",", "\r\n", ""); - } - break; - - case DATASOURCE_CSV_JSON_ARRAY: - wb->contenttype = CT_APPLICATION_JSON; - if(options & RRDR_OPTION_JSON_WRAP) { - rrdr_json_wrapper_begin(r, wb, format, options, 0); - buffer_strcat(wb, "[\n"); - rrdr2csv(r, wb, options + RRDR_OPTION_LABEL_QUOTES, "[", ",", "]", ",\n"); - buffer_strcat(wb, "\n]"); - rrdr_json_wrapper_end(r, wb, format, options, 0); - } - else { - wb->contenttype = CT_TEXT_PLAIN; - buffer_strcat(wb, "[\n"); - rrdr2csv(r, wb, options + RRDR_OPTION_LABEL_QUOTES, "[", ",", "]", ",\n"); - buffer_strcat(wb, "\n]"); - } - break; - - case DATASOURCE_TSV: - if(options & RRDR_OPTION_JSON_WRAP) { - wb->contenttype = CT_APPLICATION_JSON; - rrdr_json_wrapper_begin(r, wb, format, options, 1); - rrdr2csv(r, wb, options, "", "\t", "\\n", ""); - rrdr_json_wrapper_end(r, wb, format, options, 1); - } - else { - wb->contenttype = CT_TEXT_PLAIN; - rrdr2csv(r, wb, options, "", "\t", "\r\n", ""); - } - break; - - case DATASOURCE_HTML: - if(options & RRDR_OPTION_JSON_WRAP) { - wb->contenttype = CT_APPLICATION_JSON; - rrdr_json_wrapper_begin(r, wb, format, options, 1); - buffer_strcat(wb, "<html>\\n<center>\\n<table border=\\\"0\\\" cellpadding=\\\"5\\\" cellspacing=\\\"5\\\">\\n"); - rrdr2csv(r, wb, options, "<tr><td>", "</td><td>", "</td></tr>\\n", ""); - buffer_strcat(wb, "</table>\\n</center>\\n</html>\\n"); - rrdr_json_wrapper_end(r, wb, format, options, 1); - } - else { - wb->contenttype = CT_TEXT_HTML; - buffer_strcat(wb, "<html>\n<center>\n<table border=\"0\" cellpadding=\"5\" cellspacing=\"5\">\n"); - rrdr2csv(r, wb, options, "<tr><td>", "</td><td>", "</td></tr>\n", ""); - buffer_strcat(wb, "</table>\n</center>\n</html>\n"); - } - break; - - case DATASOURCE_DATATABLE_JSONP: - wb->contenttype = CT_APPLICATION_X_JAVASCRIPT; - - if(options & RRDR_OPTION_JSON_WRAP) - rrdr_json_wrapper_begin(r, wb, format, options, 0); - - rrdr2json(r, wb, options, 1); - - if(options & RRDR_OPTION_JSON_WRAP) - rrdr_json_wrapper_end(r, wb, format, options, 0); - break; - - case DATASOURCE_DATATABLE_JSON: - wb->contenttype = CT_APPLICATION_JSON; - - if(options & RRDR_OPTION_JSON_WRAP) - rrdr_json_wrapper_begin(r, wb, format, options, 0); - - rrdr2json(r, wb, options, 1); - - if(options & RRDR_OPTION_JSON_WRAP) - rrdr_json_wrapper_end(r, wb, format, options, 0); - break; - - case DATASOURCE_JSONP: - wb->contenttype = CT_APPLICATION_X_JAVASCRIPT; - if(options & RRDR_OPTION_JSON_WRAP) - rrdr_json_wrapper_begin(r, wb, format, options, 0); - - rrdr2json(r, wb, options, 0); - - if(options & RRDR_OPTION_JSON_WRAP) - rrdr_json_wrapper_end(r, wb, format, options, 0); - break; - - case DATASOURCE_JSON: - default: - wb->contenttype = CT_APPLICATION_JSON; - - if(options & RRDR_OPTION_JSON_WRAP) - rrdr_json_wrapper_begin(r, wb, format, options, 0); - - rrdr2json(r, wb, options, 0); - - if(options & RRDR_OPTION_JSON_WRAP) - rrdr_json_wrapper_end(r, wb, format, options, 0); - break; - } - - rrdr_free(r); - return 200; -} |