1 function BwDrawer(selector) {
2 this.selector = selector;
4 BwDrawer.prototype = new BwDrawer();
6 BwDrawer.margin = {top: 50, right: 10, bottom: 90, left: 130};
7 BwDrawer.width = 600 - BwDrawer.margin.left - BwDrawer.margin.right;
8 BwDrawer.height = 400 - BwDrawer.margin.top - BwDrawer.margin.bottom;
10 BwDrawer.parseTime = d3.timeFormat("%Y-%m-%d %H:%M:%S").parse;
11 BwDrawer.bwFormatter = d3.format("f");
13 BwDrawer.x = d3.timeDay
14 .range([0, BwDrawer.width]);
16 BwDrawer.y = d3.scaleLinear()
17 .range([BwDrawer.height, 0]);
19 BwDrawer.xAxis = d3.axisBottom(BwDrawer.x);
21 BwDrawer.yAxis = d3.axisLeft(BwDrawer.y)
22 .tickFormat(function(d) { return (d == 0) ? "" : BwDrawer.bwFormatter(Math.abs(d)) + " Mbit/s " + ((d > 0) ? "in" : "out"); });
24 BwDrawer.area = d3.area()
25 .x(function(d) { return BwDrawer.x(d.date); })
26 .y0(function(d) { return BwDrawer.y(d.y0); })
27 .y1(function(d) { return BwDrawer.y(d.y0 + d.y); });
29 BwDrawer.read_stack = d3.stack()
30 .value(function(d) { return d.read_values; });
31 BwDrawer.write_stack = d3.stack()
32 .value(function(d) { return d.write_values; });
34 BwDrawer.onionoo_url = "https://onionoo.torproject.org/bandwidth?type=relay&contact=adminsys@nos-oignons.net";
37 { id: "3_months", label: L10n.t_3_months },
38 { id: "1_year", label: L10n.t_1_year },
39 { id: "5_years", label: L10n.t_5_years },
42 BwDrawer.extract_values = function(history, interval, minTime, maxTime) {
44 var first = history ? BwDrawer.parseTime(history.first) : maxTime;
45 var last = history ? BwDrawer.parseTime(history.last) : minTime;
47 for (var current = minTime; current <= maxTime; current = d3.timeSecond.offset(current, interval)) {
48 values.push({ date: current,
49 y: (first <= current && current <= last) ? history.factor * history.values[i++] * 8 / 1000000 : 0
55 BwDrawer.color = d3.scaleOrdinal();
56 BwDrawer.color.domain(nos_oignons_relays.map(function(r) {return r.fingerprint}));
57 BwDrawer.color.range(nos_oignons_relays.map(function(r) {return r.color}));
59 BwDrawer.draw_bandwidth_graph = function(raw_data, selector, period) {
60 // Purge non running relays
61 raw_data.relays.forEach(function(r, i) {
62 if (typeof r.read_history === 'undefined' || typeof r.write_history === 'undefined') {
63 raw_data.relays.splice(i, 1);
69 var svg = d3.select(selector).append("svg")
70 .attr("width", BwDrawer.width + BwDrawer.margin.left + BwDrawer.margin.right)
71 .attr("height", BwDrawer.height + BwDrawer.margin.top + BwDrawer.margin.bottom)
73 .attr("transform", "translate(" + BwDrawer.margin.left + "," + BwDrawer.margin.top + ")");
75 var form = d3.select(selector).append("form")
76 .attr("class", "graph-period")
78 BwDrawer.periods.forEach(function(p) {
79 var div = form.append("div");
80 var radio = div.append("input")
81 .attr("type", "radio")
82 .attr("name", "period")
83 .attr("id", "bw_period_" + p.id)
84 .on("click", function() { update_period(p.id); });
86 .attr("for", "bw_period_" + p.id)
88 if (p.id == BwDrawer.periods[0].id) {
89 radio.attr("checked", true);
94 BwDrawer.periods.map(function(p) { return p.id; }).forEach(function(period) {
95 var interval = d3.max(raw_data.relays, function(d) {
96 return d['read_history'][period] && d['read_history'][period].interval;
98 raw_data.relays.forEach(function(d) {
99 if ((d['read_history'][period] && d['read_history'][period].interval != interval) ||
100 (d['write_history'][period] && d['write_history'][period].interval != interval)) {
101 throw "PANIC: Different interval for different relays in the same time period.";
104 var minTime = d3.min(raw_data.relays, function(d) {
105 return d['read_history'][period] && BwDrawer.parseTime(d['read_history'][period].first) &&
106 d['write_history'][period] && BwDrawer.parseTime(d['write_history'][period].first);
108 var maxTime = d3.min(raw_data.relays, function(d) {
109 return d['read_history'][period] && BwDrawer.parseTime(d['read_history'][period].last) &&
110 d['write_history'][period] && BwDrawer.parseTime(d['write_history'][period].last);
113 var maxReadBandwidth = 0;
114 var maxWriteBandwidth = 0;
116 var values = BwDrawer.color.domain().map(function(fingerprint) {
117 var relay_data = raw_data["relays"].filter(function(d) { return d.fingerprint == fingerprint; })[0];
118 var read_history = relay_data['read_history'][period];
119 var write_history = relay_data['write_history'][period];
120 var read_values = BwDrawer.extract_values(read_history, interval, minTime, maxTime);
121 var write_values = BwDrawer.extract_values(write_history, interval, minTime, maxTime);
123 maxReadBandwidth = maxReadBandwidth + d3.max(read_values, function(d) { return d.y; });
124 maxWriteBandwidth = maxWriteBandwidth + d3.max(write_values, function(d) { return d.y; });
127 fingerprint: fingerprint,
128 read_values: read_values,
129 write_values: write_values.map(function(d) { d.y = -d.y; return d })
132 bw_data[period] = { minTime: minTime,
134 maxReadBandwidth: maxReadBandwidth,
135 maxWriteBandwidth: maxWriteBandwidth,
139 BwDrawer.y.domain([-d3.max(d3.values(bw_data), function(d) { return d.maxWriteBandwidth; }),
140 d3.max(d3.values(bw_data), function(d) { return d.maxReadBandwidth; })]);
142 var initial_period = BwDrawer.periods[0].id;
144 BwDrawer.x.domain([bw_data[initial_period].minTime, bw_data[initial_period].maxTime]);
146 var read_graph = svg.selectAll(".read_graph")
147 .data(BwDrawer.read_stack(bw_data[initial_period].values))
148 .enter().append("path")
149 .attr("class", "read_graph area")
150 .attr("d", function(d) { return BwDrawer.area(d.read_values); })
151 .style("fill", function(d) { return BwDrawer.color(d.fingerprint); });
153 var write_graph = svg.selectAll(".write_graph")
154 .data(BwDrawer.write_stack(bw_data[initial_period].values))
155 .enter().append("path")
156 .attr("class", "write_graph area")
157 .attr("d", function(d) { return BwDrawer.area(d.write_values); })
158 .style("fill", function(d) { return BwDrawer.color(d.fingerprint); });
160 update_period = function(period) {
161 BwDrawer.x.domain([bw_data[period].minTime, bw_data[period].maxTime]);
162 var t = svg.transition().duration(300);
163 t.select(".x.axis").call(BwDrawer.xAxis);
164 t.selectAll(".read_graph").style("fill-opacity", 0);
165 t.selectAll(".write_graph").style("fill-opacity", 0);
166 t.each("end", function() {
167 d3.selectAll(".read_graph").data(BwDrawer.read_stack(bw_data[period].values));
168 d3.selectAll(".write_graph").data(BwDrawer.write_stack(bw_data[period].values));
169 d3.selectAll(".read_graph").attr("d", function(d) { return BwDrawer.area(d.read_values); })
170 d3.selectAll(".write_graph")
171 .attr("d", function(d) { return BwDrawer.area(d.write_values); })
172 var t2 = svg.transition().duration(100);
173 t2.selectAll(".read_graph").style("fill-opacity", 1);
174 t2.selectAll(".write_graph").style("fill-opacity", 1);
176 d3.selectAll(".x.axis text")
177 .style("text-anchor", "end")
178 .attr("transform", "rotate(-90) translate(-10, 0)");
182 .attr("class", "x axis")
183 .attr("transform", "translate(0," + BwDrawer.height + ")")
184 .call(BwDrawer.xAxis)
186 .style("text-anchor", "end")
187 .attr("transform", "rotate(-90) translate(-10, 0)");
190 .attr("class", "y axis")
191 .call(BwDrawer.yAxis);
193 var legend = svg.selectAll(".legend")
194 .data(BwDrawer.color.domain().slice().reverse())
196 .attr("class", "legend")
197 .attr("transform", function(d, i) { return "translate(0," + ((i * 20) - BwDrawer.margin.top) + ")"; });
199 legend.append("rect")
200 .attr("x", BwDrawer.width - 18)
203 .style("fill", BwDrawer.color);
205 legend.append("text")
206 .attr("x", BwDrawer.width - 24)
209 .style("text-anchor", "end")
211 return nos_oignons_relays.filter(function(r) { return r.fingerprint == d; })[0].name;
215 BwDrawer.prototype.draw = function() {
216 var selector = this.selector;
217 d3.json(BwDrawer.onionoo_url, function(error, raw_data) {
218 d3.select(selector).text("");
219 BwDrawer.draw_bandwidth_graph(raw_data, selector);