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91 lines
2.3 KiB
91 lines
2.3 KiB
'use strict';
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var common = require('../common');
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var assert = require('assert');
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var Buffer = require('buffer').Buffer;
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var dgram = require('dgram');
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var debug = false;
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var tests_run = 0;
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function pingPongTest(port, host) {
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var callbacks = 0;
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var N = 500;
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var count = 0;
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var sent_final_ping = false;
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var server = dgram.createSocket('udp4', function(msg, rinfo) {
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if (debug) console.log('server got: ' + msg +
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' from ' + rinfo.address + ':' + rinfo.port);
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if (/PING/.exec(msg)) {
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var buf = new Buffer(4);
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buf.write('PONG');
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server.send(buf, 0, buf.length,
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rinfo.port, rinfo.address,
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function(err, sent) {
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callbacks++;
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});
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}
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});
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server.on('error', function(e) {
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throw e;
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});
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server.on('listening', function() {
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console.log('server listening on ' + port + ' ' + host);
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var buf = new Buffer('PING'),
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client = dgram.createSocket('udp4');
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client.on('message', function(msg, rinfo) {
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if (debug) console.log('client got: ' + msg +
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' from ' + rinfo.address + ':' + rinfo.port);
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assert.equal('PONG', msg.toString('ascii'));
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count += 1;
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if (count < N) {
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client.send(buf, 0, buf.length, port, 'localhost');
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} else {
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sent_final_ping = true;
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client.send(buf, 0, buf.length, port, 'localhost', function() {
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client.close();
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});
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}
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});
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client.on('close', function() {
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console.log('client has closed, closing server');
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assert.equal(N, count);
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tests_run += 1;
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server.close();
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assert.equal(N - 1, callbacks);
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});
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client.on('error', function(e) {
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throw e;
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});
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console.log('Client sending to ' + port + ', localhost ' + buf);
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client.send(buf, 0, buf.length, port, 'localhost', function(err, bytes) {
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if (err) {
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throw err;
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}
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console.log('Client sent ' + bytes + ' bytes');
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});
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count += 1;
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});
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server.bind(port, host);
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}
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// All are run at once, so run on different ports
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pingPongTest(common.PORT + 0, 'localhost');
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pingPongTest(common.PORT + 1, 'localhost');
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pingPongTest(common.PORT + 2);
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//pingPongTest('/tmp/pingpong.sock');
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process.on('exit', function() {
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assert.equal(3, tests_run);
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console.log('done');
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});
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