1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
function mirror_status(chart_id, data_url) {
var jq_div = jQuery(chart_id);
var draw_graph = function(data) {
var margin = {top: 20, right: 20, bottom: 30, left: 40},
width = jq_div.width() - margin.left - margin.right,
height = jq_div.height() - margin.top - margin.bottom;
var color = d3.scale.category10(),
x = d3.time.scale.utc().range([0, width]),
y = d3.scale.linear().range([height, 0]),
x_axis = d3.svg.axis().scale(x).orient("bottom"),
y_axis = d3.svg.axis().scale(y).orient("left");
/* remove any existing graph first if we are redrawing after resize */
d3.select(chart_id).select("svg").remove();
var svg = d3.select(chart_id).append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
x.domain([
d3.min(data, function(c) { return d3.min(c.logs, function(v) { return v.check_time; }); }),
d3.max(data, function(c) { return d3.max(c.logs, function(v) { return v.check_time; }); })
]).nice(d3.time.hour);
y.domain([
0,
d3.max(data, function(c) { return d3.max(c.logs, function(v) { return v.duration; }); })
]).nice();
/* build the axis lines... */
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(x_axis)
.append("text")
.attr("class", "label")
.attr("x", width)
.attr("y", -6)
.style("text-anchor", "end")
.text("Check Time (UTC)");
svg.append("g")
.attr("class", "y axis")
.call(y_axis)
.append("text")
.attr("class", "label")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("Duration (seconds)");
var line = d3.svg.line()
.interpolate("basis")
.x(function(d) { return x(d.check_time); })
.y(function(d) { return y(d.duration); });
/* ...then the points and lines between them. */
var urls = svg.selectAll(".url")
.data(data)
.enter()
.append("g")
.attr("class", "url");
urls.append("path")
.attr("class", "url-line")
.attr("d", function(d) { return line(d.logs); })
.style("stroke", function(d) { return color(d.url); });
urls.selectAll("circle")
.data(function(u) {
return jQuery.map(u.logs, function(l, i) {
return {url: u.url, check_time: l.check_time, duration: l.duration};
});
})
.enter()
.append("circle")
.attr("class", "url-dot")
.attr("r", 3.5)
.attr("cx", function(d) { return x(d.check_time); })
.attr("cy", function(d) { return y(d.duration); })
.style("fill", function(d) { return color(d.url); })
.append("title")
.text(function(d) { return d.url + "\n" + d.duration.toFixed(3) + " secs\n" + d.check_time.toUTCString(); });
/* add a legend for good measure */
var legend = svg.selectAll(".legend")
.data(color.domain())
.enter().append("g")
.attr("class", "legend")
.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });
legend.append("rect")
.attr("x", width - 18)
.attr("width", 18)
.attr("height", 18)
.style("fill", color);
legend.append("text")
.attr("x", width - 24)
.attr("y", 9)
.attr("dy", ".35em")
.style("text-anchor", "end")
.text(function(d) { return d; });
};
/* invoke the data-fetch + first draw */
var cached_data = null;
d3.json(data_url, function(json) {
cached_data = jQuery.map(json.urls, function(url, i) {
return {
url: url.url,
logs: jQuery.map(url.logs, function(log, j) {
if (!log.is_success) {
return null;
}
return {
duration: log.duration,
check_time: new Date(log.check_time)
};
})
};
});
draw_graph(cached_data);
});
/* then hook up a resize handler to redraw if necessary */
var resize_timeout = null;
var real_resize = function() {
resize_timeout = null;
draw_graph(cached_data);
};
jQuery(window).resize(function() {
if (resize_timeout) {
clearTimeout(resize_timeout);
}
resize_timeout = setTimeout(real_resize, 200);
});
}
|
