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90 lines
2.3 KiB
90 lines
2.3 KiB
'use strict';
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var assert = require('assert');
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var common = require('../common');
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var fork = require('child_process').fork;
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var net = require('net');
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// child
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if (process.argv[2] === 'child') {
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// Check that the 'disconnect' event is deferred to the next event loop tick.
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var disconnect = process.disconnect;
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process.disconnect = function() {
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disconnect.apply(this, arguments);
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// If the event is emitted synchronously, we're too late by now.
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process.once('disconnect', common.mustCall(disconnectIsNotAsync));
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// The funky function name makes it show up legible in mustCall errors.
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function disconnectIsNotAsync() {}
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};
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var server = net.createServer();
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server.on('connection', function(socket) {
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socket.resume();
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process.on('disconnect', function() {
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socket.end((process.connected).toString());
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});
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// when the socket is closed, we will close the server
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// allowing the process to self terminate
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socket.on('end', function() {
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server.close();
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});
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socket.write('ready');
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});
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// when the server is ready tell parent
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server.on('listening', function() {
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process.send({ msg: 'ready', port: server.address().port });
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});
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server.listen(0);
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} else {
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// testcase
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var child = fork(process.argv[1], ['child']);
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var childFlag = false;
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var parentFlag = false;
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// when calling .disconnect the event should emit
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// and the disconnected flag should be true.
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child.on('disconnect', common.mustCall(function() {
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parentFlag = child.connected;
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}));
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// the process should also self terminate without using signals
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child.on('exit', common.mustCall(function() {}));
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// when child is listening
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child.on('message', function(obj) {
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if (obj && obj.msg === 'ready') {
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// connect to child using TCP to know if disconnect was emitted
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var socket = net.connect(obj.port);
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socket.on('data', function(data) {
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data = data.toString();
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// ready to be disconnected
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if (data === 'ready') {
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child.disconnect();
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assert.throws(child.disconnect.bind(child), Error);
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return;
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}
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// disconnect is emitted
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childFlag = (data === 'true');
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});
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}
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});
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process.on('exit', function() {
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assert.equal(childFlag, false);
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assert.equal(parentFlag, false);
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});
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}
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