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test-child-process-fork-getconnections.js
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test-child-process-fork-getconnections.js
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// 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 assert = require('assert');
var common = require('../common');
var fork = require('child_process').fork;
var net = require('net');
var count = 12;
if (process.argv[2] === 'child') {
var sockets = [];
var id = process.argv[3];
process.on('message', function(m, socket) {
if (socket) {
sockets.push(socket);
}
if (m.cmd === 'close') {
sockets[m.id].once('close', function() {
process.send({ id: m.id, status: 'closed' });
});
sockets[m.id].destroy();
}
});
} else {
var child = fork(process.argv[1], ['child']);
var server = net.createServer();
var sockets = [];
var sent = 0;
server.on('connection', function(socket) {
child.send({ cmd: 'new' }, socket, { track: false });
sockets.push(socket);
if (sockets.length === count) {
closeSockets(0);
server.close();
}
});
var disconnected = 0;
server.on('listening', function() {
var j = count, client;
while (j--) {
client = net.connect(common.PORT, '127.0.0.1');
client.on('close', function() {
console.error('[m] CLIENT: close event');
disconnected += 1;
});
// XXX This resume() should be unnecessary.
// a stream high water mark should be enough to keep
// consuming the input.
client.resume();
}
});
function closeSockets(i) {
if (i === count) return;
sent++;
child.send({ id: i, cmd: 'close' });
child.once('message', function(m) {
assert(m.status === 'closed');
server.getConnections(function(err, num) {
closeSockets(i + 1);
});
});
};
var closeEmitted = false;
server.on('close', function() {
console.error('[m] server close');
closeEmitted = true;
child.kill();
});
server.listen(common.PORT, '127.0.0.1');
process.on('exit', function() {
assert.equal(sent, count);
assert.equal(disconnected, count);
assert.ok(closeEmitted);
});
}