Windshaft-cartodb/test/benchmark.js
2012-07-25 18:29:43 +02:00

82 lines
1.9 KiB
JavaScript
Executable File

#!/usr/bin/env node
// small benchmark to execute with nodejs
var http = require('http')
if ( process.argv.length < 3 ) {
console.error("Usage: " + process.argv[1] + " <baseurl> [<map_key>]");
process.exit(1);
}
var baseurl = process.argv[2];
console.log("Baseurl is " + baseurl);
var baseurl_comps = baseurl.match(/(https?:\/\/)?([^:\/]*)(:([^\/]*))?(\/.*).*/);
var options = {
host: baseurl_comps[2],
port: baseurl_comps[4] ? baseurl_comps[4] : 8181,
path: baseurl_comps[5] + '/{z}/{x}/{y}.png?cache_buster=0'
};
if ( process.argv.length > 3 ) {
options.path += '&map_key=' + process.argv[3];
}
console.dir(options);
function randInt(min, max) {
return min + Math.floor(Math.random()*(max- min +1));
}
var start_time = new Date().getTime();
function end() {
var end_time = new Date().getTime();
var t = (end_time - start_time)/1000;
console.log("ok: ", ok)
console.log("error: ", error)
console.log("time: ", t);
console.log("req/s: ", ok/t);
}
var N = 1000
var ok = 0;
var error = 0;
function fail(msg) {
console.log(msg);
++ error;
if ( error + ok === N ) end();
}
function pass() {
++ ok;
if ( error + ok === N ) end();
}
for(var i = 0; i < N; ++i) {
var opt = {
host: options.host,
port: options.port,
path: new String(options.path)
};
opt.path = opt.path.replace('{z}', 2).replace('{x}', randInt(0, 3)).replace('{y}', randInt(0, 3));
//console.log(opt.path)
http.get(opt, function(res) {
res.body = '';
res.on('data', function(chunk) {
// Save only first chunk, to reduce cost of the operation
if ( res.body.length == 0 ) res.body += chunk;
});
res.on('end', function() {
if ( res.statusCode == 200 ) pass();
else {
fail(res.statusCode + ' http://' + opt.host + ':' + opt.port + opt.path + ' ' + res.body);
}
});
}).on('error', function(e) {
fail('unknown (http) error');
});
}