mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.4 KiB
81 lines
2.4 KiB
// Copyright Joyent, Inc. and other Node contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
|
// persons to whom the Software is furnished to do so, subject to the
|
|
// following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included
|
|
// in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
var NUM_WORKERS = 4;
|
|
var PACKETS_PER_WORKER = 10;
|
|
|
|
var assert = require('assert');
|
|
var cluster = require('cluster');
|
|
var common = require('../common');
|
|
var dgram = require('dgram');
|
|
|
|
|
|
if (process.platform === 'win32') {
|
|
console.warn("dgram clustering is currently not supported on windows.");
|
|
process.exit(0);
|
|
}
|
|
|
|
if (cluster.isMaster)
|
|
master();
|
|
else
|
|
worker();
|
|
|
|
|
|
function master() {
|
|
var i;
|
|
var received = 0;
|
|
|
|
// Start listening on a socket.
|
|
var socket = dgram.createSocket('udp4');
|
|
socket.bind(common.PORT);
|
|
|
|
// Disconnect workers when the expected number of messages have been
|
|
// received.
|
|
socket.on('message', function(data, info) {
|
|
received++;
|
|
|
|
if (received == PACKETS_PER_WORKER * NUM_WORKERS) {
|
|
console.log('master received %d packets', received);
|
|
|
|
// Close the socket.
|
|
socket.close();
|
|
|
|
// Disconnect all workers.
|
|
cluster.disconnect();
|
|
}
|
|
});
|
|
|
|
// Fork workers.
|
|
for (var i = 0; i < NUM_WORKERS; i++)
|
|
cluster.fork();
|
|
}
|
|
|
|
|
|
function worker() {
|
|
// Create udp socket and send packets to master.
|
|
var socket = dgram.createSocket('udp4');
|
|
var buf = new Buffer('hello world');
|
|
|
|
for (var i = 0; i < PACKETS_PER_WORKER; i++)
|
|
socket.send(buf, 0, buf.length, common.PORT, '127.0.0.1');
|
|
|
|
console.log('worker %d sent %d packets', cluster.worker.id, PACKETS_PER_WORKER);
|
|
}
|
|
|