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'use strict';
// Check that having a worker bind to a port that's already taken doesn't
// leave the master process in a confused state. Releasing the port and
// trying again should Just Work[TM].
const common = require('../common');
const assert = require('assert');
const fork = require('child_process').fork;
const net = require('net');
const id = '' + process.argv[2];
if (id === 'undefined') {
const server = net.createServer(common.mustNotCall());
server.listen(common.PORT, function() {
const worker = fork(__filename, ['worker']);
worker.on('message', function(msg) {
if (msg !== 'stop-listening') return;
server.close(function() {
worker.send('stopped-listening');
});
});
});
} else if (id === 'worker') {
let server = net.createServer(common.mustNotCall());
server.listen(common.PORT, common.mustNotCall());
server.on('error', common.mustCall(function(e) {
assert(e.code, 'EADDRINUSE');
process.send('stop-listening');
process.once('message', function(msg) {
if (msg !== 'stopped-listening') return;
server = net.createServer(common.mustNotCall());
server.listen(common.PORT, common.mustCall(function() {
server.close();
}));
});
}));
} else {
assert(0); // Bad argument.
}