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[examples] updated websockets examples
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Diff for: ‎examples/websocket/latent-websocket-proxy.js

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/*
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standalone-websocket-proxy.js: Example of proxying websockets over HTTP with a standalone HTTP server.
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Copyright (c) 2010 Charlie Robbins, Mikeal Rogers, Fedor Indutny, & Marak Squires.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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var util = require('util'),
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http = require('http'),
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colors = require('colors'),
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httpProxy = require('../../lib/http-proxy');
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try {
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var io = require('socket.io'),
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client = require('socket.io-client');
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}
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catch (ex) {
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console.error('Socket.io is required for this example:');
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console.error('npm ' + 'install'.green);
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process.exit(1);
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}
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//
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// Create the target HTTP server and setup
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// socket.io on it.
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//
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var server = io.listen(9000);
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server.sockets.on('connection', function (client) {
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util.debug('Got websocket connection');
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client.on('message', function (msg) {
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util.debug('Got message from client: ' + msg);
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});
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client.send('from server');
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});
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//
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// Setup our server to proxy standard HTTP requests
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//
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var proxy = new httpProxy.createProxyServer({
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target: {
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host: 'localhost',
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port: 9000
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}
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});
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var proxyServer = http.createServer(function (req, res) {
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proxy.web(req, res);
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});
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//
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// Listen to the `upgrade` event and proxy the
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// WebSocket requests as well.
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//
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proxyServer.on('upgrade', function (req, socket, head) {
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setTimeout(function () {
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proxy.ws(req, socket, head);
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}, 1000);
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});
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proxyServer.listen(8000);
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//
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// Setup the socket.io client against our proxy
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//
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var ws = client.connect('ws://localhost:8000');
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ws.on('message', function (msg) {
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util.debug('Got message: ' + msg);
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ws.send('I am the client');
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});

Diff for: ‎examples/websocket/standalone-websocket-proxy.js

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/*
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standalone-websocket-proxy.js: Example of proxying websockets over HTTP with a standalone HTTP server.
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Copyright (c) 2010 Charlie Robbins, Mikeal Rogers, Fedor Indutny, & Marak Squires.
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Permission is hereby granted, free of charge, to any person obtaining
7+
a copy of this software and associated documentation files (the
8+
"Software"), to deal in the Software without restriction, including
9+
without limitation the rights to use, copy, modify, merge, publish,
10+
distribute, sublicense, and/or sell copies of the Software, and to
11+
permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
15+
included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19+
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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var util = require('util'),
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http = require('http'),
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colors = require('colors'),
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httpProxy = require('../../lib/http-proxy');
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try {
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var io = require('socket.io'),
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client = require('socket.io-client');
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}
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catch (ex) {
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console.error('Socket.io is required for this example:');
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console.error('npm ' + 'install'.green);
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process.exit(1);
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}
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//
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// Create the target HTTP server and setup
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// socket.io on it.
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//
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var server = io.listen(9000);
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server.sockets.on('connection', function (client) {
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util.debug('Got websocket connection');
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client.on('message', function (msg) {
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util.debug('Got message from client: ' + msg);
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});
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client.send('from server');
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});
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//
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// Setup our server to proxy standard HTTP requests
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//
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var proxy = new httpProxy.createProxyServer({
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target: {
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host: 'localhost',
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port: 9000
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}
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});
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var proxyServer = http.createServer(function (req, res) {
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proxy.web(req, res);
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});
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//
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// Listen to the `upgrade` event and proxy the
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// WebSocket requests as well.
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//
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proxyServer.on('upgrade', function (req, socket, head) {
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proxy.ws(req, socket, head);
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});
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proxyServer.listen(8000);
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//
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// Setup the socket.io client against our proxy
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//
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var ws = client.connect('ws://localhost:8000');
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ws.on('message', function (msg) {
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util.debug('Got message: ' + msg);
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ws.send('I am the client');
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});

Diff for: ‎examples/websocket/websocket-proxy.js

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/*
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web-socket-proxy.js: Example of proxying over HTTP and WebSockets.
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Copyright (c) 2010 Charlie Robbins, Mikeal Rogers, Fedor Indutny, & Marak Squires.
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Permission is hereby granted, free of charge, to any person obtaining
7+
a copy of this software and associated documentation files (the
8+
"Software"), to deal in the Software without restriction, including
9+
without limitation the rights to use, copy, modify, merge, publish,
10+
distribute, sublicense, and/or sell copies of the Software, and to
11+
permit persons to whom the Software is furnished to do so, subject to
12+
the following conditions:
13+
14+
The above copyright notice and this permission notice shall be
15+
included in all copies or substantial portions of the Software.
16+
17+
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18+
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19+
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20+
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21+
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22+
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23+
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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var util = require('util'),
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http = require('http'),
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colors = require('colors'),
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httpProxy = require('../../lib/http-proxy');
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try {
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var io = require('socket.io'),
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client = require('socket.io-client');
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}
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catch (ex) {
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console.error('Socket.io is required for this example:');
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console.error('npm ' + 'install'.green);
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process.exit(1);
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}
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//
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// Create the target HTTP server and setup
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// socket.io on it.
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//
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var server = io.listen(9000);
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server.sockets.on('connection', function (client) {
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util.debug('Got websocket connection');
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client.on('message', function (msg) {
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util.debug('Got message from client: ' + msg);
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});
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client.send('from server');
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});
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//
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// Create a proxy server with node-http-proxy
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//
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httpProxy.createServer({ target: 'ws://localhost:9000', ws: true }).listen(8000);
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//
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// Setup the socket.io client against our proxy
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//
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var ws = client.connect('ws://localhost:8000');
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ws.on('message', function (msg) {
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util.debug('Got message: ' + msg);
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ws.send('I am the client');
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});

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