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0004e08191
To enable it (only on *InfluxDB* right now): - uncomment HOST_NUM_TIMESERIES_POINTS in ntop_defines.h - run `redis-cli set ntopng.prefs.30_sec_dump 1` and restart ntopng
623 lines
19 KiB
JavaScript
623 lines
19 KiB
JavaScript
// 2018 - ntop.org
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var schema_2_label = {};
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var data_2_label = {};
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var graph_i18n = {};
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function initLabelMaps(_schema_2_label, _data_2_label, _graph_i18n) {
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schema_2_label = _schema_2_label;
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data_2_label = _data_2_label;
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graph_i18n = _graph_i18n;
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};
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function getSerieLabel(schema, serie) {
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var data_label = serie.label;
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var new_label = data_2_label[data_label];
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if((schema == "top:local_senders") || (schema == "top:local_receivers")) {
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return serie.tags.host
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} else if(schema.startsWith("top:")) { // topk graphs
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if(serie.tags.protocol)
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return serie.tags.protocol;
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else if(serie.tags.category)
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return serie.tags.category
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else if(serie.tags.device && serie.tags.if_index) { // SNMP interface
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if(serie.tags.if_index != serie.ext_label)
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return serie.ext_label + " (" + serie.tags.if_index + ")";
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else
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return serie.ext_label;
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} else if(serie.tags.device && serie.tags.port) // Flow device
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return serie.tags.port;
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else if(serie.tags.profile)
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return serie.tags.profile;
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} else if(data_label != "bytes") { // single series
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if(serie.tags.protocol)
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return serie.tags.protocol + " (" + new_label + ")";
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else if(serie.tags.category)
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return serie.tags.category + " (" + new_label + ")";
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else if(serie.tags.device && serie.tags.if_index) // SNMP interface
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return serie.ext_label + " (" + new_label + ")";
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else if(serie.tags.device && serie.tags.port) // Flow device
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return serie.tags.port + " (" + new_label + ")";
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} else {
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if(serie.tags.protocol)
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return serie.tags.protocol;
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else if(serie.tags.category)
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return serie.tags.category;
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else if(serie.tags.profile)
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return serie.tags.profile;
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else if(data_label == "bytes")
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return graph_i18n.traffic;
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}
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if(schema_2_label[schema])
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return capitaliseFirstLetter(schema_2_label[schema]);
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if(new_label)
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return capitaliseFirstLetter(new_label);
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// default
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return capitaliseFirstLetter(data_label);
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}
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// Value formatter
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function getValueFormatter(schema, series) {
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if(series && series.length && series[0].label) {
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var label = series[0].label;
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if(label.contains("bytes"))
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return [fbits_from_bytes, bytesToSize];
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else if(label.contains("packets"))
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return [fpackets, formatPackets];
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else if(label.contains("flows"))
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return [formatValue, formatFlows, formatFlows];
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else if(label.contains("millis"))
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return [fmillis, fmillis];
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}
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// fallback
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return [fint,fint];
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}
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function makeFlatLineValues(tstart, tstep, num, data) {
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var t = tstart;
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var values = [];
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for(var i=0; i<num; i++) {
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values[i] = [t, data ];
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t += tstep;
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}
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return values;
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}
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function checkSeriesConsinstency(schema_name, count, series) {
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var rv = true;
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for(var i=0; i<series.length; i++) {
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var data = series[i].data;
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if(data.length > count) {
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console.error("points mismatch: serie '" + getSerieLabel(schema_name, series[i]) +
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"' has " + data.length + " points, expected " + count);
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rv = false;
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} else if(data.length < count) {
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/* upsample */
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series[i].data = upsampleSerie(data, count);
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}
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}
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return rv;
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}
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function upsampleSerie(serie, num_points) {
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if(num_points <= serie.length)
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return serie;
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var res = [];
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var intervals = num_points / serie.length;
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function lerp(v0, v1, t) {
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return (1 - t) * v0 + t * v1;
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}
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for(var i=0; i<num_points; i++) {
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var index = i / intervals;
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var prev_i = Math.floor(index);
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var next_i = Math.min(Math.ceil(index), serie.length-1);
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var t = index % 1; // fractional part
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var v = lerp(serie[prev_i], serie[next_i], t);
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//console.log(prev_i, next_i, t, ">>", v);
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res.push(v);
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}
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return res.slice(0, num_points);
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}
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// the stacked total serie
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function buildTotalSerie(data_series) {
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var series = [];
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for(var i=0; i<data_series.length; i++)
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series.push(data_series[i].data);
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return d3.transpose(series).map(function(x) {
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return x.map(function(g) {
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return g;
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});
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}).map(function(x) {return d3.sum(x);});
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}
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function arrayToNvSerie(serie_data, start, step) {
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var values = [];
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var t = start;
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for(var i=0; i<serie_data.length; i++) {
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values[i] = [t, serie_data[i]];
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t += step;
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}
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return values;
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}
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// computes the difference between visual_total and total_serie
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function buildOtherSerie(total_serie, visual_total) {
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if(total_serie.length !== visual_total.length) {
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console.warn("Total/Visual length mismatch: " + total_serie.length + " vs " + visual_total.length);
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return;
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}
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var res = [];
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var max_val = 0;
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for(var i=0; i<total_serie.length; i++) {
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var value = Math.max(0, total_serie[i] - visual_total[i]);
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max_val = Math.max(max_val, value);
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res.push(value);
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}
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if(max_val > 0.1)
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return res;
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}
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function buildTimeArray(start_time, end_time, step) {
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var arr = [];
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for(var t=start_time; t<end_time; t+=step)
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arr.push(t);
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return arr;
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}
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function fixTimeRange(chart, params, align_step) {
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var diff_epoch = (params.epoch_end - params.epoch_begin);
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var frame, align, tick_step, resolution, fmt = "%H:%M:%S";
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// must be sorted by ascending max_diff
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// max_diff / tick_step indicates the number of ticks, which should be <= 15
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// max_diff / resolution indicates the number of actual points, which should be ~60
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var range_params = [
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// max_diff, resolution, x_format, alignment, tick_step
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[15, 1, "%H:%M:%S", 1, 1], // <= 15 sec
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[60, 1, "%H:%M:%S", 1, 5], // <= 1 min
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[120, 5, "%H:%M:%S", 10, 10], // <= 2 min
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[300, 5, "%H:%M:%S", 10, 30], // <= 5 min
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[600, 10, "%H:%M:%S", 30, 60], // <= 10 min
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[1200, 30, "%H:%M:%S", 60, 120], // <= 20 min
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[3600, 60, "%H:%M:%S", 60, 300], // <= 1 h
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[5400, 120, "%H:%M", 300, 900], // <= 1.5 h
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[10800, 300, "%H:%M", 300, 900], // <= 3 h
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[21600, 300, "%H:%M", 3600, 1800], // <= 6 h
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[43200, 600, "%H:%M", 3600, 3600], // <= 12 h
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[86400, 600, "%H:%M", 3600, 7200], // <= 1 d
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[172800, 3600, "%a, %H:%M", 3600, 14400], // <= 2 d
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[604800, 3600, "%Y-%m-%d", 86400, 86400], // <= 7 d
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[1209600, 7200, "%Y-%m-%d", 86400, 172800], // <= 14 d
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[2678400, 21600, "%Y-%m-%d", 86400, 259200], // <= 1 m
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[15768000, 175200, "%Y-%m-%d", 2678400, 1314000], // <= 6 m
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[31622400, 175200, "%Y-%m-%d", 2678400, 2678400], // <= 1 y
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];
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for(var i=0; i<range_params.length; i++) {
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var range = range_params[i];
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if(diff_epoch <= range[0]) {
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frame = range[0];
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resolution = range[1];
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fmt = range[2];
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align = range[3];
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tick_step = range[4];
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break;
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}
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}
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if(align) {
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align = Math.max(align, align_step);
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params.epoch_begin -= params.epoch_begin % align;
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params.epoch_end -= params.epoch_end % align;
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diff_epoch = (params.epoch_end - params.epoch_begin);
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params.limit = Math.round(diff_epoch / resolution);
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// align epoch end wrt params.limit
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params.epoch_end += Math.ceil(diff_epoch / params.limit) * params.limit - diff_epoch;
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chart.xAxis.tickValues(buildTimeArray(params.epoch_begin, params.epoch_end, tick_step));
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}
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chart.xAxis.tickFormat(function(d) { return d3.time.format(fmt)(new Date(d*1000)) });
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}
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// add a new updateStackedChart function
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function attachStackedChartCallback(chart, schema_name, chart_id, zoom_reset_id, flows_dt, params, step, align_step) {
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var pending_request = null;
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var d3_sel = d3.select(chart_id);
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var $chart = $(chart_id);
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var $zoom_reset = $(zoom_reset_id);
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var $graph_zoom = $("#graph_zoom");
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var max_interval = step * 8;
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var is_max_zoom = false;
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var zoom_stack = [];
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var url = http_prefix + "/lua/get_ts.lua";
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var first_load = true;
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var first_time_loaded = true;
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var datetime_format = "dd/MM/yyyy hh:mm:ss";
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var max_over_total_ratio = 3;
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//var spinner = $("<img class='chart-loading-spinner' src='" + spinner_url + "'/>");
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var spinner = $('<i class="chart-loading-spinner fa fa-spinner fa-lg fa-spin"></i>');
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$chart.parent().css("position", "relative");
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var chart_colors_full = [
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"#69B87F",
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"#94CFA4",
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"#B3DEB6",
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"#E5F1A6",
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"#FFFCC6",
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"#FEDEA5",
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"#FFB97B",
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"#FF8D6D",
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"#E27B85"
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];
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var chart_colors_min = ["#7CC28F", "#FCD384", "#FD977B"];
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var update_chart_data = function(new_data) {
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/* reset chart data so that the next transition animation will be gracefull */
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d3_sel.datum([]).call(chart);
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d3_sel.datum(new_data).transition().call(chart);
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nv.utils.windowResize(chart.update);
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pending_request = null;
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spinner.remove();
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}
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function isLegendDisabled(key, default_val) {
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if(typeof localStorage !== "undefined") {
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var val = localStorage.getItem("chart_series.disabled." + key);
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if(val != null)
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return(val === "true");
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}
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return default_val;
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}
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chart.legend.dispatch.on('legendClick', function(d,i) {
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if(typeof localStorage !== "undefined")
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localStorage.setItem("chart_series.disabled." + d.legend_key, (!d.disabled) ? true : false);
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});
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chart.dispatch.on("zoom", function(e) {
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var cur_zoom = [params.epoch_begin, params.epoch_end];
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var t_start = Math.floor(e.xDomain[0]);
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var t_end = Math.ceil(e.xDomain[1]);
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if(chart.updateStackedChart(t_start, t_end)) {
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chart.is_zoomed = true;
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zoom_stack.push(cur_zoom);
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$zoom_reset.show();
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$graph_zoom.find(".btn-warning:not(.custom-zoom-btn)")
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.addClass("initial-zoom-sel")
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.removeClass("btn-warning");
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$graph_zoom.find(".custom-zoom-btn").show();
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var zoom_link = $graph_zoom.find(".custom-zoom-btn input");
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var link = zoom_link.val().replace(/&epoch_begin=.*/, "");
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link += "&epoch_begin=" + params.epoch_begin + "&epoch_end=" + params.epoch_end;
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zoom_link.val(link);
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}
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});
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function updateZoom(zoom) {
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var t_start = zoom[0];
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var t_end = zoom[1];
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chart.updateStackedChart(t_start, t_end);
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if(!zoom_stack.length) {
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$zoom_reset.hide();
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$graph_zoom.find(".initial-zoom-sel")
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.addClass("btn-warning");
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$graph_zoom.find(".custom-zoom-btn").hide();
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}
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}
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$chart.on('dblclick', function() {
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if(zoom_stack.length) {
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var zoom = zoom_stack.pop();
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updateZoom(zoom);
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}
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});
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$zoom_reset.on("click", function() {
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if(zoom_stack.length) {
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var zoom = zoom_stack[0];
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zoom_stack = [];
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updateZoom(zoom);
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}
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});
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var old_start, old_end;
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/* Returns false if zoom update is rejected. */
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chart.updateStackedChart = function (tstart, tend, no_spinner) {
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if(tstart) params.epoch_begin = tstart;
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if(tend) params.epoch_end = tend;
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var cur_interval = (params.epoch_end - params.epoch_begin);
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if(cur_interval < max_interval) {
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if(is_max_zoom)
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return false;
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if(!first_load) {
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var epoch = params.epoch_begin + (params.epoch_end - params.epoch_begin) / 2;
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params.epoch_begin = Math.floor(epoch - max_interval / 2);
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params.epoch_end = Math.ceil(epoch + max_interval / 2);
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}
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is_max_zoom = true;
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chart.zoomType(null); // disable zoom
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} else {
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is_max_zoom = false;
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chart.zoomType('x'); // enable zoom
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}
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fixTimeRange(chart, params, align_step);
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if((old_start == params.epoch_begin) && (old_end == params.epoch_end))
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return false;
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old_start = params.epoch_begin;
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old_end = params.epoch_end;
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if(pending_request)
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pending_request.abort();
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else if(!no_spinner)
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spinner.appendTo($chart.parent());
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// Load data via ajax
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pending_request = $.get(url, params, function(data) {
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if(!data || !data.series || !data.series.length || !checkSeriesConsinstency(schema_name, data.count, data.series)) {
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update_chart_data([]);
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return;
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}
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// Adapt data
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var res = [];
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var series = data.series;
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var total_serie;
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var color_i = 0;
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var chart_colors = (series.length <= chart_colors_min.length) ? chart_colors_min : chart_colors_full;
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for(var j=0; j<series.length; j++) {
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var values = [];
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var serie_data = series[j].data;
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var t = data.start;
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for(var i=0; i<serie_data.length; i++) {
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values[i] = [t, serie_data[i] ];
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t += data.step;
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}
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var label = getSerieLabel(schema_name, series[j]);
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var legend_key = schema_name + ":" + label;
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res.push({
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key: label,
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yAxis: series[j].axis || 1,
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values: values,
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type: series[j].type || "area",
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color: chart_colors[color_i++],
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legend_key: legend_key,
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disabled: isLegendDisabled(legend_key, false),
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});
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}
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var visual_total = buildTotalSerie(series);
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var has_full_data = false;
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if(data.additional_series && data.additional_series.total) {
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total_serie = data.additional_series.total;
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/* Total -> Other */
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var other_serie = buildOtherSerie(total_serie, visual_total);
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if(other_serie) {
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res.push({
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key: graph_i18n.other,
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yAxis: 1,
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values: arrayToNvSerie(other_serie, data.start, data.step),
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type: "area",
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color: chart_colors[color_i++],
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legend_key: "other",
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disabled: isLegendDisabled("other", false),
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});
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has_full_data = true;
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}
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} else {
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total_serie = visual_total;
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has_full_data = !schema_name.startsWith("top:");
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}
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if(data.additional_series) {
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for(var key in data.additional_series) {
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if(key == "total") {
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// handle manually as "other" above
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continue;
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}
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var serie_data = upsampleSerie(data.additional_series[key], data.count);
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var ratio_over_total = d3.max(serie_data) / d3.max(visual_total);
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var values = arrayToNvSerie(serie_data, data.start, data.step);
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var is_disabled = isLegendDisabled(key, false);
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/* Hide comparison serie at first load if it's too high */
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if(first_time_loaded && (ratio_over_total > max_over_total_ratio))
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is_disabled = true;
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res.push({
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key: capitaliseFirstLetter(key),
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yAxis: 1,
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values: values,
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type: "line",
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classed: "line-dashed line-animated",
|
|
color: "#7E91A0",
|
|
legend_key: key,
|
|
disabled: is_disabled,
|
|
});
|
|
}
|
|
}
|
|
|
|
if(!data.no_trend && has_full_data && total_serie.length) {
|
|
// Smoothed serie
|
|
var num_smoothed_points = Math.max(Math.floor(total_serie.length / 5), 3);
|
|
|
|
var smoothed = smooth(total_serie, num_smoothed_points);
|
|
var max_val = d3.max(smoothed);
|
|
if(max_val > 0) {
|
|
var scale = d3.max(total_serie) / max_val;
|
|
var scaled = $.map(smoothed, function(x) { return x * scale; });
|
|
var aligned = upsampleSerie(scaled, data.count);
|
|
|
|
res.push({
|
|
key: graph_i18n.trend,
|
|
yAxis: 1,
|
|
values: arrayToNvSerie(aligned, data.start, data.step),
|
|
type: "line",
|
|
classed: "line-animated",
|
|
color: "#62ADF6",
|
|
legend_key: "trend",
|
|
disabled: isLegendDisabled("trend", false),
|
|
});
|
|
}
|
|
}
|
|
|
|
// get the value formatter
|
|
var formatter1 = getValueFormatter(schema_name, series.filter(function(d) { return(d.axis != 2); }));
|
|
var value_formatter = formatter1[0];
|
|
var tot_formatter = formatter1[1];
|
|
var stats_formatter = formatter1[2] || value_formatter;
|
|
chart.yAxis1.tickFormat(value_formatter);
|
|
chart.yAxis1_formatter = value_formatter;
|
|
|
|
var second_axis_series = series.filter(function(d) { return(d.axis == 2); });
|
|
var formatter2 = getValueFormatter(schema_name, second_axis_series);
|
|
var value_formatter2 = formatter2[0];
|
|
chart.yAxis2.tickFormat(value_formatter2);
|
|
chart.yAxis2_formatter = value_formatter2;
|
|
|
|
var stats_table = $chart.closest("table").find(".graph-statistics");
|
|
var stats = data.statistics;
|
|
|
|
stats_table.find(".graph-val-begin").show().find("span").html(new Date(data.start * 1000).format(datetime_format));
|
|
stats_table.find(".graph-val-end").show().find("span").html(new Date((data.start + data.step * (data.count-1)) * 1000).format(datetime_format));
|
|
|
|
if(stats) {
|
|
if(stats.average) {
|
|
var values = makeFlatLineValues(data.start, data.step, data.count, stats.average);
|
|
|
|
res.push({
|
|
key: graph_i18n.avg,
|
|
yAxis: 1,
|
|
values: values,
|
|
type: "line",
|
|
classed: "line-dashed line-animated",
|
|
color: "#AC9DDF",
|
|
legend_key: "avg",
|
|
disabled: isLegendDisabled("avg", true),
|
|
});
|
|
}
|
|
|
|
// fill the stats
|
|
if(stats.total)
|
|
stats_table.find(".graph-val-total").show().find("span").html(tot_formatter(stats.total));
|
|
if(stats.average)
|
|
stats_table.find(".graph-val-average").show().find("span").html(stats_formatter(stats.average));
|
|
if(stats.min_val)
|
|
stats_table.find(".graph-val-min").show().find("span").html(stats_formatter(stats.min_val) + " @ " + (new Date(res[0].values[stats.min_val_idx][0] * 1000)).format(datetime_format));
|
|
if(stats.max_val)
|
|
stats_table.find(".graph-val-max").show().find("span").html(stats_formatter(stats.max_val) + " @ " + (new Date(res[0].values[stats.max_val_idx][0] * 1000)).format(datetime_format));
|
|
if(stats["95th_percentile"]) {
|
|
stats_table.find(".graph-val-95percentile").show().find("span").html(stats_formatter(stats["95th_percentile"]));
|
|
|
|
var values = makeFlatLineValues(data.start, data.step, data.count, stats["95th_percentile"]);
|
|
|
|
res.push({
|
|
key: graph_i18n["95_perc"],
|
|
yAxis: 1,
|
|
values: values,
|
|
type: "line",
|
|
classed: "line-dashed line-animated",
|
|
color: "#476DFF",
|
|
legend_key: "95perc",
|
|
disabled: isLegendDisabled("95perc", true),
|
|
});
|
|
}
|
|
|
|
// check if there are visible elements
|
|
//if(stats_table.find("td").filter(function(){ return $(this).css("display") != "none"; }).length > 0)
|
|
}
|
|
stats_table.show();
|
|
|
|
var enabled_series = res.filter(function(d) { return(d.disabled !== true); });
|
|
|
|
if(second_axis_series.length > 0 || enabled_series.length == 0) {
|
|
// Enable all the series
|
|
for(var i=0; i<res.length; i++)
|
|
res[i].disabled = false;
|
|
}
|
|
|
|
if(second_axis_series.length > 0) {
|
|
// Don't allow series toggle by disabling legend clicks
|
|
chart.legend.updateState(false);
|
|
}
|
|
|
|
update_chart_data(res);
|
|
first_time_loaded = false;
|
|
}).fail(function(xhr, status, error) {
|
|
if (xhr.statusText =='abort') {
|
|
return;
|
|
}
|
|
|
|
console.error("Error while retrieving the timeseries data [" + status + "]: " + error);
|
|
update_chart_data([]);
|
|
});
|
|
|
|
if(first_load) {
|
|
first_load = false;
|
|
} else {
|
|
/* Reload datatable */
|
|
if(flows_dt)
|
|
flows_dt.render();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|