142 lines
5.0 KiB
JavaScript
142 lines
5.0 KiB
JavaScript
function mirror_status(chart_id, data_url) {
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var jq_div = jQuery(chart_id);
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var draw_graph = function(data) {
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var margin = {top: 20, right: 20, bottom: 30, left: 40},
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width = jq_div.width() - margin.left - margin.right,
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height = jq_div.height() - margin.top - margin.bottom;
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var color = d3.scale.category10(),
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x = d3.time.scale.utc().range([0, width]),
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y = d3.scale.linear().range([height, 0]),
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x_axis = d3.svg.axis().scale(x).orient("bottom"),
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y_axis = d3.svg.axis().scale(y).orient("left");
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/* remove any existing graph first if we are redrawing after resize */
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d3.select(chart_id).select("svg").remove();
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var svg = d3.select(chart_id).append("svg")
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.attr("width", width + margin.left + margin.right)
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.attr("height", height + margin.top + margin.bottom)
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.append("g")
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
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x.domain([
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d3.min(data, function(c) { return d3.min(c.logs, function(v) { return v.check_time; }); }),
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d3.max(data, function(c) { return d3.max(c.logs, function(v) { return v.check_time; }); })
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]).nice(d3.time.hour);
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y.domain([
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0,
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d3.max(data, function(c) { return d3.max(c.logs, function(v) { return v.duration; }); })
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]).nice();
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/* build the axis lines... */
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svg.append("g")
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.attr("class", "x axis")
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.attr("transform", "translate(0," + height + ")")
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.call(x_axis)
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.append("text")
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.attr("class", "label")
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.attr("x", width)
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.attr("y", -6)
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.style("text-anchor", "end")
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.text("Check Time (UTC)");
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svg.append("g")
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.attr("class", "y axis")
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.call(y_axis)
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.append("text")
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.attr("class", "label")
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.attr("transform", "rotate(-90)")
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.attr("y", 6)
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.attr("dy", ".71em")
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.style("text-anchor", "end")
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.text("Duration (seconds)");
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var line = d3.svg.line()
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.interpolate("basis")
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.x(function(d) { return x(d.check_time); })
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.y(function(d) { return y(d.duration); });
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/* ...then the points and lines between them. */
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var urls = svg.selectAll(".url")
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.data(data)
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.enter()
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.append("g")
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.attr("class", "url");
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urls.append("path")
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.attr("class", "url-line")
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.attr("d", function(d) { return line(d.logs); })
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.style("stroke", function(d) { return color(d.url); });
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urls.selectAll("circle")
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.data(function(u) {
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return jQuery.map(u.logs, function(l, i) {
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return {url: u.url, check_time: l.check_time, duration: l.duration};
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});
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})
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.enter()
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.append("circle")
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.attr("class", "url-dot")
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.attr("r", 3.5)
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.attr("cx", function(d) { return x(d.check_time); })
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.attr("cy", function(d) { return y(d.duration); })
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.style("fill", function(d) { return color(d.url); })
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.append("title")
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.text(function(d) { return d.url + "\n" + d.duration.toFixed(3) + " secs\n" + d.check_time.toUTCString(); });
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/* add a legend for good measure */
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var legend = svg.selectAll(".legend")
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.data(color.domain())
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.enter().append("g")
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.attr("class", "legend")
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.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });
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legend.append("rect")
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.attr("x", width - 18)
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.attr("width", 18)
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.attr("height", 18)
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.style("fill", color);
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legend.append("text")
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.attr("x", width - 24)
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.attr("y", 9)
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.attr("dy", ".35em")
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.style("text-anchor", "end")
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.text(function(d) { return d; });
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};
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/* invoke the data-fetch + first draw */
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var cached_data = null;
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d3.json(data_url, function(json) {
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cached_data = jQuery.map(json.urls, function(url, i) {
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return {
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url: url.url,
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logs: jQuery.map(url.logs, function(log, j) {
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if (!log.is_success) {
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return null;
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}
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return {
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duration: log.duration,
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check_time: new Date(log.check_time)
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};
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})
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};
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});
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draw_graph(cached_data);
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});
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/* then hook up a resize handler to redraw if necessary */
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var resize_timeout = null;
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var real_resize = function() {
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resize_timeout = null;
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draw_graph(cached_data);
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};
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jQuery(window).resize(function() {
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if (resize_timeout) {
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clearTimeout(resize_timeout);
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}
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resize_timeout = setTimeout(real_resize, 200);
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});
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}
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