--- /dev/null
+function WeightsDrawer(selector) {
+ this.selector = selector;
+ this.current_source = "consensus_weight_fraction";
+ this.current_period = "1_month";
+ this.weights_data = {};
+ this.svg = null;
+};
+WeightsDrawer.prototype = new WeightsDrawer();
+
+WeightsDrawer.margin = {top: 50, right: 10, bottom: 90, left: 130};
+WeightsDrawer.width = 600 - WeightsDrawer.margin.left - WeightsDrawer.margin.right;
+WeightsDrawer.height = 400 - WeightsDrawer.margin.top - WeightsDrawer.margin.bottom;
+
+WeightsDrawer.parseTime = d3.time.format("%Y-%m-%d %H:%M:%S").parse;
+WeightsDrawer.percentFormatter = d3.format(".2%");
+
+WeightsDrawer.x = d3.time.scale()
+ .range([0, WeightsDrawer.width]);
+
+WeightsDrawer.y = d3.scale.linear()
+ .range([WeightsDrawer.height, 0]);
+
+WeightsDrawer.xAxis = d3.svg.axis()
+ .scale(WeightsDrawer.x)
+ .orient("bottom");
+
+WeightsDrawer.yAxis = d3.svg.axis()
+ .scale(WeightsDrawer.y)
+ .orient("left")
+ .tickFormat(function(d) { return (d == 0) ? "" : WeightsDrawer.percentFormatter(d); });
+
+WeightsDrawer.area = d3.svg.area()
+ .x(function(d) { return WeightsDrawer.x(d.date); })
+ .y0(function(d) { return WeightsDrawer.y(d.y0); })
+ .y1(function(d) { return WeightsDrawer.y(d.y0 + d.y); });
+
+WeightsDrawer.stack = d3.layout.stack()
+ .values(function(d) { return d.values; });
+
+WeightsDrawer.onionoo_url = "https://onionoo.torproject.org/weights?type=relay&contact=adminsys@nos-oignons.net";
+
+WeightsDrawer.periods = [
+ { id: "1_month", label: L10n.t_1_month },
+ { id: "3_months", label: L10n.t_3_months },
+ { id: "1_year", label: L10n.t_1_year },
+ { id: "5_years", label: L10n.t_5_years },
+ ];
+
+WeightsDrawer.current_period = WeightsDrawer.periods[0].id;
+
+WeightsDrawer.sources = [
+ { id: "consensus_weight_fraction", label: L10n.consensus_weight },
+ { id: "exit_probability", label: L10n.exit_probability },
+ ];
+
+WeightsDrawer.current_source = WeightsDrawer.sources[0].id;
+
+WeightsDrawer.extract_values = function(history, interval, minTime, maxTime) {
+ var values = [];
+ var first = history ? WeightsDrawer.parseTime(history.first) : maxTime;
+ var last = history ? WeightsDrawer.parseTime(history.last) : minTime;
+ var i = 0;
+ for (var current = minTime; current <= maxTime; current = d3.time.second.offset(current, interval)) {
+ values.push({ date: current,
+ y: (first <= current && current <= last) ? history.factor * history.values[i++] : 0
+ });
+ }
+ return values;
+}
+
+WeightsDrawer.color = d3.scale.ordinal();
+WeightsDrawer.color.domain(nos_oignons_relays.map(function(r) {return r.fingerprint}));
+WeightsDrawer.color.range(nos_oignons_relays.map(function(r) {return r.color}));
+
+WeightsDrawer.prototype.draw_weights_graph = function(raw_data) {
+ var drawer = this;
+
+ // Purge non running relays
+ raw_data.relays.forEach(function(r, i) {
+ if (typeof r.consensus_weight_fraction === 'undefined') {
+ raw_data.relays.splice(i, 1);
+ }
+ });
+
+ var form_source = d3.select(drawer.selector).append("form")
+ .attr("action", "#");
+ WeightsDrawer.sources.forEach(function(s) {
+ var div = form_source.append("div");
+ var radio = div.append("input")
+ .attr("type", "radio")
+ .attr("name", "source")
+ .attr("id", "source_" + s.id)
+ .on("click", function() { drawer.update_source(s.id); });
+ div.append("label")
+ .attr("for", "source_" + s.id)
+ .text(s.label);
+ if (s.id == WeightsDrawer.sources[0].id) {
+ radio.attr("checked", true);
+ }
+ });
+
+ drawer.svg = d3.select(drawer.selector).append("svg")
+ .attr("width", WeightsDrawer.width + WeightsDrawer.margin.left + WeightsDrawer.margin.right)
+ .attr("height", WeightsDrawer.height + WeightsDrawer.margin.top + WeightsDrawer.margin.bottom)
+ .append("g")
+ .attr("transform", "translate(" + WeightsDrawer.margin.left + "," + WeightsDrawer.margin.top + ")");
+
+ var form_period = d3.select(drawer.selector).append("form")
+ .attr("action", "#");
+ WeightsDrawer.periods.forEach(function(p) {
+ var div = form_period.append("div");
+ var radio = div.append("input")
+ .attr("type", "radio")
+ .attr("name", "period")
+ .attr("id", "period_" + p.id)
+ .on("click", function() { drawer.update_period(p.id); });
+ div.append("label")
+ .attr("for", "period_" + p.id)
+ .text(p.label);
+ if (p.id == WeightsDrawer.periods[0].id) {
+ radio.attr("checked", true);
+ }
+ });
+
+ WeightsDrawer.sources.map(function(s) { return s.id; }).forEach(function(source) {
+ drawer.weights_data[source] = {};
+ WeightsDrawer.periods.map(function(p) { return p.id; }).forEach(function(period) {
+ var interval = d3.max(raw_data.relays, function(d) {
+ return d[source][period] && d[source][period].interval;
+ });
+ raw_data.relays.forEach(function(d) {
+ if ((d[source][period] && d[source][period].interval != interval)) {
+ throw "PANIC: Different interval for different relays in the same time period.";
+ }
+ });
+ var minTime = d3.min(raw_data.relays, function(d) {
+ return d[source][period] && WeightsDrawer.parseTime(d[source][period].first);
+ });
+ var maxTime = d3.min(raw_data.relays, function(d) {
+ return d[source][period] && WeightsDrawer.parseTime(d[source][period].last);
+ });
+
+ var maxValue = 0;
+
+ var relays = WeightsDrawer.color.domain().map(function(fingerprint) {
+ var relay_data = raw_data["relays"].filter(function(d) { return d.fingerprint == fingerprint; })[0];
+
+ var history = relay_data[source][period];
+ var values = WeightsDrawer.extract_values(history, interval, minTime, maxTime);
+ maxValue = maxValue + d3.max(values, function(d) { return d.y; });
+
+ return {
+ fingerprint: fingerprint,
+ values: values,
+ };
+ });
+ drawer.weights_data[source][period] = {
+ minTime: minTime,
+ maxTime: maxTime,
+ maxValue: maxValue,
+ relays: relays
+ };
+ });
+ });
+
+ WeightsDrawer.y.domain([0, drawer.weights_data[WeightsDrawer.current_source][WeightsDrawer.current_period].maxValue]);
+
+ WeightsDrawer.x.domain([drawer.weights_data[WeightsDrawer.current_source][WeightsDrawer.current_period].minTime, drawer.weights_data[WeightsDrawer.current_source][WeightsDrawer.current_period].maxTime]);
+
+ var weight_graph = drawer.svg.selectAll(".weight_graph")
+ .data(WeightsDrawer.stack(drawer.weights_data[WeightsDrawer.current_source][WeightsDrawer.current_period].relays))
+ .enter().append("path")
+ .attr("class", "weight_graph area")
+ .attr("d", function(d) { return WeightsDrawer.area(d.values); })
+ .style("fill", function(d) { return WeightsDrawer.color(d.fingerprint); });
+
+ drawer.svg.append("g")
+ .attr("class", "x axis")
+ .attr("transform", "translate(0," + WeightsDrawer.height + ")")
+ .call(WeightsDrawer.xAxis)
+ .selectAll("text")
+ .style("text-anchor", "end")
+ .attr("transform", "rotate(-90) translate(-10, 0)");
+
+ drawer.svg.append("g")
+ .attr("class", "y axis")
+ .call(WeightsDrawer.yAxis);
+
+ var legend = drawer.svg.selectAll(".legend")
+ .data(WeightsDrawer.color.domain().slice().reverse())
+ .enter().append("g")
+ .attr("class", "legend")
+ .attr("transform", function(d, i) { return "translate(0," + ((i * 20) - WeightsDrawer.margin.top) + ")"; });
+
+ legend.append("rect")
+ .attr("x", WeightsDrawer.width - 18)
+ .attr("width", 18)
+ .attr("height", 18)
+ .style("fill", WeightsDrawer.color);
+
+ legend.append("text")
+ .attr("x", WeightsDrawer.width - 24)
+ .attr("y", 9)
+ .attr("dy", ".35em")
+ .style("text-anchor", "end")
+ .text(function(d) {
+ return nos_oignons_relays.filter(function(r) { return r.fingerprint == d; })[0].name;
+ });
+};
+
+WeightsDrawer.prototype.refresh_graph = function() {
+ var drawer = this;
+
+ WeightsDrawer.x.domain([drawer.weights_data[drawer.current_source][drawer.current_period].minTime, drawer.weights_data[drawer.current_source][drawer.current_period].maxTime]);
+ WeightsDrawer.y.domain([0, drawer.weights_data[drawer.current_source][drawer.current_period].maxValue]);
+ var t = drawer.svg.transition().duration(300);
+ t.select(".x.axis").call(WeightsDrawer.xAxis);
+ t.select(".y.axis").call(WeightsDrawer.yAxis);
+ t.selectAll(".weight_graph").style("fill-opacity", 0);
+ t.each("end", function() {
+ d3.selectAll(".weight_graph").data(WeightsDrawer.stack(drawer.weights_data[drawer.current_source][drawer.current_period].relays));
+ d3.selectAll(".weight_graph").attr("d", function(d) { return WeightsDrawer.area(d.values); })
+ var t2 = drawer.svg.transition().duration(100);
+ t2.selectAll(".weight_graph").style("fill-opacity", 1);
+ });
+ d3.selectAll(".x.axis text")
+ .style("text-anchor", "end")
+ .attr("transform", "rotate(-90) translate(-10, 0)");
+}
+
+WeightsDrawer.prototype.update_source = function(source) {
+ this.current_source = source;
+ this.refresh_graph();
+}
+
+WeightsDrawer.prototype.update_period = function(period) {
+ this.current_period = period;
+ this.refresh_graph();
+}
+
+WeightsDrawer.prototype.draw = function() {
+ var drawer = this;
+ d3.json(WeightsDrawer.onionoo_url, function(error, raw_data) {
+ d3.select(drawer.selector).text("");
+ drawer.draw_weights_graph(raw_data);
+ });
+};
projects / website.git / commitdiff