maqu14
53 lines
1.2 KiB
JavaScript
53 lines
1.2 KiB
JavaScript
var zmq = require('../');
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var assert = require('assert');
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if (process.argv.length != 5) {
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console.log('usage: remote_lat <connect-to> <message-size> <roundtrip-count>');
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process.exit(1);
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}
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var connect_to = process.argv[2];
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var message_size = Number(process.argv[3]);
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var roundtrip_count = Number(process.argv[4]);
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var message = new Buffer(message_size);
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message.fill('h');
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var recvCounter = 0;
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var req = zmq.socket('req');
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req.connect(connect_to);
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var timer;
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req.on('message', function (data) {
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if (!timer) {
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console.log('started receiving');
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timer = process.hrtime();
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}
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assert.equal(data.length, message_size, 'message-size did not match');
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if (++recvCounter === roundtrip_count) {
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finish();
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} else {
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send();
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}
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});
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function finish() {
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var duration = process.hrtime(timer);
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var millis = duration[0] * 1000 + duration[1] / 1000000;
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console.log('message size: %d [B]', message_size);
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console.log('roundtrip count: %d', roundtrip_count);
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console.log('mean latency: %d [msecs]', millis / (roundtrip_count * 2));
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console.log('overall time: %d secs and %d nanoseconds', duration[0], duration[1]);
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req.close()
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}
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function send() {
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req.send(message);
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}
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send()
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