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"use strict";
var ENV = {
rows: 100,
timeout: 0
};
var data = null;
var data2 = null;
function getTopFiveQueries(db) {
var arr = db.samples[db.samples.length - 1].queries.slice(0, 5);
while (arr.length < 5) {
arr[arr.length] = { query: '', elapsed: 0 };
}
return arr;
}
function assignDb(dbname) {
var info = data.databases[dbname];
var r = Math.floor((Math.random() * 10) + 1);
for (var i = 0; i < r; i++) {
var q = {
canvas_action: null,
canvas_context_id: null,
canvas_controller: null,
canvas_hostname: null,
canvas_job_tag: null,
canvas_pid: null,
elapsed: Math.random() * 15,
query: "SELECT blah FROM something",
waiting: Math.random() < 0.5
};
if (Math.random() < 0.2) {
q.query = "<IDLE> in transaction";
}
if (Math.random() < 0.1) {
q.query = "vacuum";
}
info.queries[info.queries.length] = q;
}
info.queries = info.queries.sort(function(a, b) {
return formatElapsed(b.elapsed - a.elapsed);
});
var samples = [];
samples[samples.length] = {
time: data.start_at,
queries: info.queries
};
if (samples.length > 5) {
samples.splice(0, samples.length - 5);
}
var db = {
name: dbname,
queries: info.queries,
samples: samples,
}
db.topFiveQueries = getTopFiveQueries(db);
data2[data2.length] = db;
};
function getData() {
// generate some dummy data
data = {
start_at: new Date().getTime() / 1000,
databases: {}
};
for (var i = 1; i <= ENV.rows; i++) {
data.databases["cluster" + i] = {
queries: []
};
data.databases["cluster" + i + "slave"] = {
queries: []
};
}
data2 = [];
Object.keys(data.databases).forEach(assignDb);
return data2;
}
function getLastSample(db) {
return db.samples[db.samples.length - 1];
}
function getCountClassName(db) {
var count = getLastSample(db).queries.length;
var className = 'label';
if (count >= 20) {
className += ' label-important';
}
else if (count >= 10) {
className += ' label-warning';
}
else {
className += ' label-success';
}
return className;
}
function elapsedClassName(elapsed) {
var className = 'Query elapsed';
if (elapsed >= 10.0) {
className += ' warn_long';
}
else if (elapsed >= 1.0) {
className += ' warn';
}
else {
className += ' short';
}
return className;
}
function formatElapsed(value) {
if (!value) return '';
var str = parseFloat(value).toFixed(2);
if (value > 60) {
var minutes = Math.floor(value / 60);
var comps = (value % 60).toFixed(2).split('.');
var seconds = comps[0].lpad('0', 2);
var ms = comps[1];
str = minutes + ":" + seconds + "." + ms;
}
return str;
}