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Diffstat (limited to 'examples/webchannel/qwclient/qwclient.js')
-rwxr-xr-x | examples/webchannel/qwclient/qwclient.js | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/examples/webchannel/qwclient/qwclient.js b/examples/webchannel/qwclient/qwclient.js new file mode 100755 index 0000000..167fcac --- /dev/null +++ b/examples/webchannel/qwclient/qwclient.js @@ -0,0 +1,126 @@ +#!/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); +} |