Created
April 3, 2012 02:36
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marionette node websocket proxy
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// marionette.js | |
"use strict"; | |
var net = require('net'); | |
function make_connection(cb) { | |
var sock = new net.Socket(), | |
in_buffer = ""; | |
sock.on('connect', function(s) { | |
console.log("connect"); | |
}); | |
sock.on('data', function(d) { | |
var i = 0; | |
in_buffer += d.toString(); | |
while ((i = in_buffer.indexOf(":")) !== -1) { | |
var size = parseInt(in_buffer.slice(0, i)); | |
cb(in_buffer.substr(i + 1, size)); | |
in_buffer = in_buffer.slice(i + size); | |
} | |
}); | |
sock.on("drain", function() { | |
}); | |
sock.connect(2828); | |
return { | |
send: function send_message(msg) { | |
var str = JSON.stringify(msg), | |
len = str.length; | |
// I think this is correct, but it's not tested. | |
sock.write(len.toString() + ':' + str); | |
} | |
} | |
} | |
/** | |
* Module dependencies. | |
*/ | |
var http = require('http') | |
, wsio = require('./Code/websocket.io') | |
/** | |
* Create HTTP server. | |
*/ | |
var server = http.createServer(function (req, res) { | |
res.writeHead(200, { 'Content-Type': 'text/html; charset=utf8' }); | |
res.end([ | |
'<html><head><title>Hello</title><script>' | |
, "var ws = new WebSocket('ws://127.0.0.1:3000');" | |
, "ws.onerror = function(er) { console.log('er', er) };" | |
, "ws.onclose = function() { console.log('close') };" | |
, 'ws.onmessage = function (msg) { var el = document.createElement("pre"); el.appendChild(document.createTextNode(msg.data)); document.body.appendChild(el) };' | |
, '</script></head><body>Hello</body></html>' | |
].join('')); | |
}); | |
/** | |
* Attach websocket.io | |
*/ | |
var ws = wsio.attach(server) | |
, i = 0 | |
ws.on('connection', function (client) { | |
var id = ++i; | |
console.log('Client %d connected', id); | |
function msg (msg) { | |
console.log("MESSAGE", msg); | |
} | |
make_connection(function(msg) { | |
console.log("MSG", msg); | |
try { | |
client.write(msg); | |
} catch (e) { | |
console.log("err" + e); | |
} | |
}); | |
client.on('message', msg); | |
}); | |
/** | |
* Listen. | |
*/ | |
server.listen(3000, function () { | |
console.error(' ∞ listening on http://127.0.0.1:3000'); | |
}); | |
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