+function BwDrawer(selector) {
+ this.selector = selector;
+};
+BwDrawer.prototype = new BwDrawer();
+
+BwDrawer.margin = {top: 50, right: 10, bottom: 90, left: 130};
+BwDrawer.width = 600 - BwDrawer.margin.left - BwDrawer.margin.right;
+BwDrawer.height = 400 - BwDrawer.margin.top - BwDrawer.margin.bottom;
+
+BwDrawer.parseTime = d3.time.format("%Y-%m-%d %H:%M:%S").parse;
+BwDrawer.bwFormatter = d3.format(".f");
+
+BwDrawer.x = d3.time.scale()
+ .range([0, BwDrawer.width]);
+
+BwDrawer.y = d3.scale.linear()
+ .range([BwDrawer.height, 0]);
+
+BwDrawer.color = d3.scale.category20();
+
+BwDrawer.xAxis = d3.svg.axis()
+ .scale(BwDrawer.x)
+ .orient("bottom");
+
+BwDrawer.yAxis = d3.svg.axis()
+ .scale(BwDrawer.y)
+ .orient("left")
+ .tickFormat(function(d) { return (d == 0) ? "" : BwDrawer.bwFormatter(Math.abs(d)) + " Mbit/s " + ((d > 0) ? "in" : "out"); });
+
+BwDrawer.area = d3.svg.area()
+ .x(function(d) { return BwDrawer.x(d.date); })
+ .y0(function(d) { return BwDrawer.y(d.y0); })
+ .y1(function(d) { return BwDrawer.y(d.y0 + d.y); });
+
+BwDrawer.read_stack = d3.layout.stack()
+ .values(function(d) { return d.read_values; });
+BwDrawer.write_stack = d3.layout.stack()
+ .values(function(d) { return d.write_values; });
+
+BwDrawer.onionoo_url = "https://onionoo.torproject.org/bandwidth?type=relay&contact=adminsys@nos-oignons.net";
+
+BwDrawer.periods = [
+ { id: "3_days", label: L10n.t_3_days },
+ { id: "1_week", label: L10n.t_1_week },
+ { id: "1_month", label: L10n.t_1_month },
+ { id: "3_months", label: L10n.t_3_months },
+ { id: "1_year", label: L10n.t_1_year },
+ ];
+
+BwDrawer.extract_values = function(history, interval, minTime, maxTime) {
+ var values = [];
+ var first = history ? BwDrawer.parseTime(history.first) : maxTime;
+ var last = history ? BwDrawer.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++] * 8 / 1000000 : 0
+ });
+ }
+ return values;
+}
+
+BwDrawer.draw_bandwidth_graph = function(raw_data, selector, period) {
+ var update_period;
+
+ var svg = d3.select(selector).append("svg")
+ .attr("width", BwDrawer.width + BwDrawer.margin.left + BwDrawer.margin.right)
+ .attr("height", BwDrawer.height + BwDrawer.margin.top + BwDrawer.margin.bottom)
+ .append("g")
+ .attr("transform", "translate(" + BwDrawer.margin.left + "," + BwDrawer.margin.top + ")");
+
+ var form = d3.select(selector).append("form")
+ .attr("action", "#");
+ BwDrawer.periods.forEach(function(p) {
+ var div = form.append("div");
+ var radio = div.append("input")
+ .attr("type", "radio")
+ .attr("name", "period")
+ .attr("id", "period_" + p.id)
+ .on("click", function() { update_period(p.id); });
+ div.append("label")
+ .attr("for", "period_" + p.id)
+ .text(p.label);
+ if (p.id == BwDrawer.periods[0].id) {
+ radio.attr("checked", true);
+ }
+ });
+
+ var valid_fingerprints = [];
+ nos_oignons_relays.forEach(function(r) {
+ var relay_data = raw_data["relays"].filter(function(d) { return d.fingerprint == r.fingerprint; })[0];
+ valid_fingerprints.push(r.fingerprint);
+ });
+ BwDrawer.color.domain(valid_fingerprints);
+
+ var bw_data = {};
+ BwDrawer.periods.map(function(p) { return p.id; }).forEach(function(period) {
+ var interval = d3.max(raw_data.relays, function(d) {
+ return d['read_history'][period] && d['read_history'][period].interval;
+ });
+ raw_data.relays.forEach(function(d) {
+ if ((d['read_history'][period] && d['read_history'][period].interval != interval) ||
+ (d['write_history'][period] && d['write_history'][period].interval != interval)) {
+ throw "PANIC: Different interval for different relays in the same time period.";
+ }
+ });
+ var minTime = d3.max(raw_data.relays, function(d) {
+ return d['read_history'][period] && BwDrawer.parseTime(d['read_history'][period].first) &&
+ d['write_history'][period] && BwDrawer.parseTime(d['write_history'][period].first);
+ });
+ var maxTime = d3.min(raw_data.relays, function(d) {
+ return d['read_history'][period] && BwDrawer.parseTime(d['read_history'][period].last) &&
+ d['write_history'][period] && BwDrawer.parseTime(d['write_history'][period].last);
+ });
+
+ var maxReadBandwidth = 0;
+ var maxWriteBandwidth = 0;
+
+ var values = BwDrawer.color.domain().map(function(fingerprint) {
+ var relay_data = raw_data["relays"].filter(function(d) { return d.fingerprint == fingerprint; })[0];
+ var read_history = relay_data['read_history'][period];
+ var write_history = relay_data['write_history'][period];
+ var read_values = BwDrawer.extract_values(read_history, interval, minTime, maxTime);
+ var write_values = BwDrawer.extract_values(write_history, interval, minTime, maxTime);
+
+ maxReadBandwidth = maxReadBandwidth + d3.max(read_values, function(d) { return d.y; });
+ maxWriteBandwidth = maxWriteBandwidth + d3.max(write_values, function(d) { return d.y; });
+
+ return {
+ fingerprint: fingerprint,
+ read_values: read_values,
+ write_values: write_values.map(function(d) { d.y = -d.y; return d })
+ };
+ });
+ bw_data[period] = { minTime: minTime,
+ maxTime: maxTime,
+ maxReadBandwidth: maxReadBandwidth,
+ maxWriteBandwidth: maxWriteBandwidth,
+ values: values };
+ });
+
+ BwDrawer.y.domain([-d3.max(d3.values(bw_data), function(d) { return d.maxWriteBandwidth; }),
+ d3.max(d3.values(bw_data), function(d) { return d.maxReadBandwidth; })]);
+
+ var initial_period = BwDrawer.periods[0].id;
+
+ BwDrawer.x.domain([bw_data[initial_period].minTime, bw_data[initial_period].maxTime]);
+
+ var read_graph = svg.selectAll(".read_graph")
+ .data(BwDrawer.read_stack(bw_data[initial_period].values))
+ .enter().append("path")
+ .attr("class", "read_graph area")
+ .attr("d", function(d) { return BwDrawer.area(d.read_values); })
+ .style("fill", function(d) { return BwDrawer.color(d.fingerprint); });
+
+ var write_graph = svg.selectAll(".write_graph")
+ .data(BwDrawer.write_stack(bw_data[initial_period].values))
+ .enter().append("path")
+ .attr("class", "write_graph area")
+ .attr("d", function(d) { return BwDrawer.area(d.write_values); })
+ .style("fill", function(d) { return BwDrawer.color(d.fingerprint); });
+
+ update_period = function(period) {
+ BwDrawer.x.domain([bw_data[period].minTime, bw_data[period].maxTime]);
+ var t = svg.transition().duration(300);
+ t.select(".x.axis").call(BwDrawer.xAxis);
+ t.selectAll(".read_graph").style("fill-opacity", 0);
+ t.selectAll(".write_graph").style("fill-opacity", 0);
+ t.each("end", function() {
+ d3.selectAll(".read_graph").data(BwDrawer.read_stack(bw_data[period].values));
+ d3.selectAll(".write_graph").data(BwDrawer.write_stack(bw_data[period].values));
+ d3.selectAll(".read_graph").attr("d", function(d) { return BwDrawer.area(d.read_values); })
+ d3.selectAll(".write_graph")
+ .attr("d", function(d) { return BwDrawer.area(d.write_values); })
+ var t2 = svg.transition().duration(100);
+ t2.selectAll(".read_graph").style("fill-opacity", 1);
+ t2.selectAll(".write_graph").style("fill-opacity", 1);
+ });
+ d3.selectAll(".x.axis text")
+ .style("text-anchor", "end")
+ .attr("transform", "rotate(-90) translate(-10, 0)");
+ }
+
+ svg.append("g")
+ .attr("class", "x axis")
+ .attr("transform", "translate(0," + BwDrawer.height + ")")
+ .call(BwDrawer.xAxis)
+ .selectAll("text")
+ .style("text-anchor", "end")
+ .attr("transform", "rotate(-90) translate(-10, 0)");
+
+ svg.append("g")
+ .attr("class", "y axis")
+ .call(BwDrawer.yAxis);
+
+ var legend = svg.selectAll(".legend")
+ .data(BwDrawer.color.domain().slice().reverse())
+ .enter().append("g")
+ .attr("class", "legend")
+ .attr("transform", function(d, i) { return "translate(0," + ((i * 20) - BwDrawer.margin.top) + ")"; });
+
+ legend.append("rect")
+ .attr("x", BwDrawer.width - 18)
+ .attr("width", 18)
+ .attr("height", 18)
+ .style("fill", BwDrawer.color);
+
+ legend.append("text")
+ .attr("x", BwDrawer.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;
+ });
+};
+
+BwDrawer.prototype.draw = function() {
+ var selector = this.selector;
+ d3.json(BwDrawer.onionoo_url, function(error, raw_data) {
+ d3.select(selector).text("");
+ BwDrawer.draw_bandwidth_graph(raw_data, selector);
+ });
+};
projects / website.git / blobdiff