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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:19:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:20:17 +0000 |
commit | a64a253794ac64cb40befee54db53bde17dd0d49 (patch) | |
tree | c1024acc5f6e508814b944d99f112259bb28b1be /web/api/formatters/charts2json.c | |
parent | New upstream version 1.10.0+dfsg (diff) | |
download | netdata-upstream/1.11.0+dfsg.tar.xz netdata-upstream/1.11.0+dfsg.zip |
New upstream version 1.11.0+dfsgupstream/1.11.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | web/api/formatters/charts2json.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/web/api/formatters/charts2json.c b/web/api/formatters/charts2json.c new file mode 100644 index 000000000..f60f7f540 --- /dev/null +++ b/web/api/formatters/charts2json.c @@ -0,0 +1,103 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "charts2json.h" + +// generate JSON for the /api/v1/charts API call + +void charts2json(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, "\": "); + rrdset2json(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"); +} |