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#!/usr/bin/env node
/****************************************************************************
**
** Copyright (C) 2014 basysKom GmbH, author Sumedha Widyadharma <sumedha.widyadharma@basyskom.com>
** Copyright (C) 2014 basysKom GmbH, author Lutz Schönemann <lutz.schoenemann@basyskom.com>
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtWebChannel module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
'use strict';
var repl = require('repl');
var WebSocket = require('faye-websocket').Client;
var QWebChannel = new require('./qwebchannel.js').QWebChannel;
var serverAddress = 'ws://localhost:12345';
var channels = [];
var autoConnect = process.argv.pop();
if (autoConnect === __filename) {
autoConnect = false;
}
var openChannel = function (address) {
// this should be bound to the repl
var self = this;
address = address ? address : serverAddress;
if (address.indexOf('://') === -1) {
address = 'ws://' + address;
}
var ws = new WebSocket(address);
ws.on('open', function (event) {
var transport = {
onmessage: function (data) {},
send: function (data) {
ws.send(data, {binary: false});
}
};
ws.on('message', function (event) {
transport.onmessage(event);
}); // onmessage
var webChannel = new QWebChannel(transport, function (channel) {
channels.push(channel);
var channelIdx = (channels.length - 1);
console.log('channel opened', channelIdx);
// Create a nice alias to access this channels objects
self.context['c' + channelIdx] = channel.objects;
ws.on('close', function () {
for (var i = 0; i < channels.length; ++i) {
if (channels[i] === channel) {
console.log('channel closed', i);
channels[i] = null;
return;
}
}
}); // onclose
}); // new QWebChannel
}); // onopen
ws.on('error', function (error) {
console.log('websocket error', error.message);
});
}; // openChannel
var setupRepl = function() {
var r = repl.start({
prompt: "webchannel> ",
input: process.stdin,
output: process.stdout
});
r.context.serverAddress = serverAddress;
r.context.openChannel = openChannel.bind(r);
r.context.channels = channels;
r.context.lsObjects = function() {
channels.forEach(function(channel){
console.log('Channel ' + channel);
Object.keys(channel.objects);
});
}
return r;
}
var welcome = function() {
console.log('Welcome to the qwebchannel/websocket REPL.');
console.log('Use openChannel(url) to connect to a service.');
console.log('For the standalone example, just openChannel() should suffice.');
console.log('Opened channels have their objects aliased to c<channel number>, i.e. c0');
console.log('So for the standalone example try: c0.dialog.receiveText(\'hello world\')');
}
welcome();
var repl = setupRepl();
if (autoConnect) {
repl.context.openChannel(autoConnect);
}
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