1 function WeightsDrawer(selector) {
2 this.selector = selector;
3 this.current_source = "consensus_weight_fraction";
4 this.current_period = "1_month";
5 this.weights_data = {};
8 WeightsDrawer.prototype = new WeightsDrawer();
10 WeightsDrawer.margin = {top: 50, right: 10, bottom: 90, left: 130};
11 WeightsDrawer.width = 600 - WeightsDrawer.margin.left - WeightsDrawer.margin.right;
12 WeightsDrawer.height = 400 - WeightsDrawer.margin.top - WeightsDrawer.margin.bottom;
14 WeightsDrawer.parseTime = d3.timeParse("%Y-%m-%d %H:%M:%S");
15 WeightsDrawer.percentFormatter = d3.format("2%");
17 WeightsDrawer.x = d3.timeDay
18 .range([0, WeightsDrawer.width]);
20 WeightsDrawer.y = d3.scaleLinear()
21 .range([WeightsDrawer.height, 0]);
23 WeightsDrawer.xAxis = d3.axisBottom(WeightsDrawer.x);
25 WeightsDrawer.yAxis = d3.axisLeft(WeightsDrawer.y)
26 .tickFormat(function(d) { return (d == 0) ? "" : WeightsDrawer.percentFormatter(d); });
28 WeightsDrawer.area = d3.area()
29 .x(function(d) { return WeightsDrawer.x(d.date); })
30 .y0(function(d) { return WeightsDrawer.y(d.y0); })
31 .y1(function(d) { return WeightsDrawer.y(d.y0 + d.y); });
33 WeightsDrawer.stack = d3.stack()
34 .value(function(d) { return d.values; });
36 WeightsDrawer.onionoo_url = "https://onionoo.torproject.org/weights?type=relay&contact=adminsys@nos-oignons.net";
38 WeightsDrawer.periods = [
39 { id: "1_month", label: L10n.t_1_month },
40 { id: "3_months", label: L10n.t_3_months },
41 { id: "1_year", label: L10n.t_1_year },
42 { id: "5_years", label: L10n.t_5_years },
45 WeightsDrawer.current_period = WeightsDrawer.periods[0].id;
47 WeightsDrawer.sources = [
48 { id: "consensus_weight_fraction", label: L10n.consensus_weight },
49 { id: "exit_probability", label: L10n.exit_probability },
52 WeightsDrawer.current_source = WeightsDrawer.sources[0].id;
54 WeightsDrawer.extract_values = function(history, interval, minTime, maxTime) {
56 var first = history ? WeightsDrawer.parseTime(history.first) : maxTime;
57 var last = history ? WeightsDrawer.parseTime(history.last) : minTime;
59 for (var current = minTime; current <= maxTime; current = d3.time.second.offset(current, interval)) {
60 values.push({ date: current,
61 y: (first <= current && current <= last) ? history.factor * history.values[i++] : 0
67 WeightsDrawer.color = d3.scaleOrdinal();
68 WeightsDrawer.color.domain(nos_oignons_relays.map(function(r) {return r.fingerprint}));
69 WeightsDrawer.color.range(nos_oignons_relays.map(function(r) {return r.color}));
71 WeightsDrawer.prototype.draw_weights_graph = function(raw_data) {
74 // Purge non running relays
75 raw_data.relays.forEach(function(r, i) {
76 if (typeof r.consensus_weight_fraction === 'undefined') {
77 raw_data.relays.splice(i, 1);
81 var form_source = d3.select(drawer.selector).append("form")
82 .attr("id", "weight-sources")
84 WeightsDrawer.sources.forEach(function(s) {
85 var div = form_source.append("div");
86 var radio = div.append("input")
87 .attr("type", "radio")
88 .attr("name", "source")
89 .attr("id", "source_" + s.id)
90 .on("click", function() { drawer.update_source(s.id); });
92 .attr("for", "source_" + s.id)
94 if (s.id == WeightsDrawer.sources[0].id) {
95 radio.attr("checked", true);
99 drawer.svg = d3.select(drawer.selector).append("svg")
100 .attr("width", WeightsDrawer.width + WeightsDrawer.margin.left + WeightsDrawer.margin.right)
101 .attr("height", WeightsDrawer.height + WeightsDrawer.margin.top + WeightsDrawer.margin.bottom)
103 .attr("transform", "translate(" + WeightsDrawer.margin.left + "," + WeightsDrawer.margin.top + ")");
105 var form_period = d3.select(drawer.selector).append("form")
106 .attr("class", "graph-period")
107 .attr("action", "#");
108 WeightsDrawer.periods.forEach(function(p) {
109 var div = form_period.append("div");
110 var radio = div.append("input")
111 .attr("type", "radio")
112 .attr("name", "period")
113 .attr("id", "weights_period_" + p.id)
114 .on("click", function() { drawer.update_period(p.id); });
116 .attr("for", "weights_period_" + p.id)
118 if (p.id == WeightsDrawer.periods[0].id) {
119 radio.attr("checked", true);
123 WeightsDrawer.sources.map(function(s) { return s.id; }).forEach(function(source) {
124 drawer.weights_data[source] = {};
125 WeightsDrawer.periods.map(function(p) { return p.id; }).forEach(function(period) {
126 var interval = d3.max(raw_data.relays, function(d) {
127 return d[source][period] && d[source][period].interval;
129 raw_data.relays.forEach(function(d) {
130 if ((d[source][period] && d[source][period].interval != interval)) {
131 throw "PANIC: Different interval for different relays in the same time period.";
134 var minTime = d3.min(raw_data.relays, function(d) {
135 return d[source][period] && WeightsDrawer.parseTime(d[source][period].first);
137 var maxTime = d3.min(raw_data.relays, function(d) {
138 return d[source][period] && WeightsDrawer.parseTime(d[source][period].last);
143 var relays = WeightsDrawer.color.domain().map(function(fingerprint) {
144 var relay_data = raw_data["relays"].filter(function(d) { return d.fingerprint == fingerprint; })[0];
146 var history = relay_data[source][period];
147 var values = WeightsDrawer.extract_values(history, interval, minTime, maxTime);
148 maxValue = maxValue + d3.max(values, function(d) { return d.y; });
151 fingerprint: fingerprint,
155 drawer.weights_data[source][period] = {
164 WeightsDrawer.y.domain([0, drawer.weights_data[WeightsDrawer.current_source][WeightsDrawer.current_period].maxValue]);
166 WeightsDrawer.x.domain([drawer.weights_data[WeightsDrawer.current_source][WeightsDrawer.current_period].minTime, drawer.weights_data[WeightsDrawer.current_source][WeightsDrawer.current_period].maxTime]);
168 var weight_graph = drawer.svg.selectAll(".weight_graph")
169 .data(WeightsDrawer.stack(drawer.weights_data[WeightsDrawer.current_source][WeightsDrawer.current_period].relays))
170 .enter().append("path")
171 .attr("class", "weight_graph area")
172 .attr("d", function(d) { return WeightsDrawer.area(d.values); })
173 .style("fill", function(d) { return WeightsDrawer.color(d.fingerprint); });
175 drawer.svg.append("g")
176 .attr("class", "x axis")
177 .attr("transform", "translate(0," + WeightsDrawer.height + ")")
178 .call(WeightsDrawer.xAxis)
180 .style("text-anchor", "end")
181 .attr("transform", "rotate(-90) translate(-10, 0)");
183 drawer.svg.append("g")
184 .attr("class", "y axis")
185 .call(WeightsDrawer.yAxis);
187 var legend = drawer.svg.selectAll(".legend")
188 .data(WeightsDrawer.color.domain().slice().reverse())
190 .attr("class", "legend")
191 .attr("transform", function(d, i) { return "translate(0," + ((i * 20) - WeightsDrawer.margin.top) + ")"; });
193 legend.append("rect")
194 .attr("x", WeightsDrawer.width - 18)
197 .style("fill", WeightsDrawer.color);
199 legend.append("text")
200 .attr("x", WeightsDrawer.width - 24)
203 .style("text-anchor", "end")
205 return nos_oignons_relays.filter(function(r) { return r.fingerprint == d; })[0].name;
209 WeightsDrawer.prototype.refresh_graph = function() {
212 WeightsDrawer.x.domain([drawer.weights_data[drawer.current_source][drawer.current_period].minTime, drawer.weights_data[drawer.current_source][drawer.current_period].maxTime]);
213 WeightsDrawer.y.domain([0, drawer.weights_data[drawer.current_source][drawer.current_period].maxValue]);
214 var t = drawer.svg.transition().duration(300);
215 t.select(".x.axis").call(WeightsDrawer.xAxis);
216 t.select(".y.axis").call(WeightsDrawer.yAxis);
217 t.selectAll(".weight_graph").style("fill-opacity", 0);
218 t.each("end", function() {
219 d3.selectAll(".weight_graph").data(WeightsDrawer.stack(drawer.weights_data[drawer.current_source][drawer.current_period].relays));
220 d3.selectAll(".weight_graph").attr("d", function(d) { return WeightsDrawer.area(d.values); })
221 var t2 = drawer.svg.transition().duration(100);
222 t2.selectAll(".weight_graph").style("fill-opacity", 1);
224 d3.selectAll(".x.axis text")
225 .style("text-anchor", "end")
226 .attr("transform", "rotate(-90) translate(-10, 0)");
229 WeightsDrawer.prototype.update_source = function(source) {
230 this.current_source = source;
231 this.refresh_graph();
234 WeightsDrawer.prototype.update_period = function(period) {
235 this.current_period = period;
236 this.refresh_graph();
239 WeightsDrawer.prototype.draw = function() {
241 d3.json(WeightsDrawer.onionoo_url)
242 .then(function(raw_data) {
243 d3.select(drawer.selector).text("");
244 drawer.draw_weights_graph(raw_data);