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Mini Shell
Mini Shell
var ss = require('..')
, program = require('commander')
, humanize = require('humanize-number');
program
.option('-T, --type <name>', 'socket type [sub]', 'sub')
.option('-s, --size <n>', 'message size in bytes [1024]', parseInt)
.option('-d, --duration <n>', 'duration of test [5000]', parseInt)
.parse(process.argv)
var sock = ss.socket(program.type);
sock.connect(3000);
var n = 0;
var ops = 5000;
var bytes = program.size || 1024;
var prev = start = Date.now();
var results = [];
console.log();
sock.on('message', function(msg){
if (n++ % ops == 0) {
var ms = Date.now() - prev;
var sec = ms / 1000;
var persec = ops / sec | 0;
results.push(persec);
process.stdout.write('\r [' + persec + ' ops/s] [' + n + ']');
prev = Date.now();
}
});
function sum(arr) {
return arr.reduce(function(sum, n){
return sum + n;
});
}
function min(arr) {
return arr.reduce(function(min, n){
return n < min
? n
: min;
});
}
function median(arr) {
arr = arr.sort();
return arr[arr.length / 2 | 0];
}
function done(){
var ms = Date.now() - start;
var avg = n / (ms / 1000);
console.log('\n');
console.log(' min: %s ops/s', humanize(min(results)));
console.log(' mean: %s ops/s', humanize(avg | 0));
console.log(' median: %s ops/s', humanize(median(results)));
console.log(' total: %s ops in %ds', humanize(n), ms / 1000);
console.log(' through: %d mb/s', ((avg * bytes) / 1024 / 1024).toFixed(2));
console.log();
process.exit();
}
process.on('SIGINT', done);
setTimeout(done, program.duration || 5000);
Zerion Mini Shell 1.0