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'use strict';
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 needEnd = [];
var id = process.argv[3];
process.on('message', function(m, socket) {
if (!socket) return;
console.error('[%d] got socket', id, m);
// will call .end('end') or .write('write');
socket[m](m);
socket.resume();
socket.on('data', function() {
console.error('[%d] socket.data', id, m);
});
socket.on('end', function() {
console.error('[%d] socket.end', id, m);
});
// store the unfinished socket
if (m === 'write') {
needEnd.push(socket);
}
socket.on('close', function(had_error) {
console.error('[%d] socket.close', id, had_error, m);
});
socket.on('finish', function() {
console.error('[%d] socket finished', id, m);
});
});
process.on('message', function(m) {
if (m !== 'close') return;
console.error('[%d] got close message', id);
needEnd.forEach(function(endMe, i) {
console.error('[%d] ending %d/%d', id, i, needEnd.length);
endMe.end('end');
});
});
process.on('disconnect', function() {
console.error('[%d] process disconnect, ending', id);
needEnd.forEach(function(endMe, i) {
console.error('[%d] ending %d/%d', id, i, needEnd.length);
endMe.end('end');
});
});
} else {
var child1 = fork(process.argv[1], ['child', '1']);
var child2 = fork(process.argv[1], ['child', '2']);
var child3 = fork(process.argv[1], ['child', '3']);
var server = net.createServer();
let connected = 0;
let closed = 0;
server.on('connection', function(socket) {
switch (connected % 6) {
case 0:
child1.send('end', socket, { track: false }); break;
case 1:
child1.send('write', socket, { track: true }); break;
case 2:
child2.send('end', socket, { track: true }); break;
case 3:
child2.send('write', socket, { track: false }); break;
case 4:
child3.send('end', socket, { track: false }); break;
case 5:
child3.send('write', socket, { track: false }); break;
}
connected += 1;
socket.once('close', function() {
console.log('[m] socket closed, total %d', ++closed);
});
if (connected === count) {
closeServer();
}
});
var disconnected = 0;
server.on('listening', function() {
var j = count, client;
while (j--) {
client = net.connect(common.PORT, '127.0.0.1');
client.on('error', function() {
// This can happen if we kill the child too early.
// The client should still get a close event afterwards.
console.error('[m] CLIENT: error event');
});
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();
}
});
var closeEmitted = false;
server.on('close', common.mustCall(function() {
closeEmitted = true;
child1.kill();
child2.kill();
child3.kill();
}));
server.listen(common.PORT, '127.0.0.1');
var closeServer = function() {
server.close();
setTimeout(function() {
assert(!closeEmitted);
child1.send('close');
child2.send('close');
child3.disconnect();
}, 200);
};
process.on('exit', function() {
assert.equal(disconnected, count);
assert.equal(connected, count);
});
}