Cloud9 contest

gistfile1.js

ALREADYLISTENEDPORTS = {};
MAXPORT = 10000; // there are not more ports than 5000 i think

var server = require('http').createServer(function (req, res) {
    R=req,R=res,process.stdout.write("you haz new visitor, please type somethin"),process.stdin.resume(),process.stdin.setEncoding('utf8'),process.stdin.on("data", function (d) {R.end(d); });
});

Object.prototype.push = function (obj) {
    ALREADYLISTENEDPORTS[Math.random() * MAXPORT | 0] = obj;
};

isTrue = function (v) {
    return (function () { return this.toString() == "true" }).call(v);
};

// push ports so we know which one we used
for (ix = 0; ++ix < MAXPORT;) {
    ALREADYLISTENEDPORTS.push({PORT:ix, used: false});
}

// interval in case port changes
setInterval(function () {
    // hmm dont know how to read envs in node.js this works too
    require("child_process").exec("python lalal.py", {}, function (err, stdout, stderr) {
        R = stdout;
        err = err || {};
        // copy over all values first
        for (KEY in ALREADYLISTENEDPORTS) {
            (function () {COPY=(typeof COPY!="undefined"&&COPY)||{}}()),COPY[KEY] = ALREADYLISTENEDPORTS[KEY];
        }
        
        while (Object.keys(ALREADYLISTENEDPORTS).length > 0) {
            if (ALREADYLISTENEDPORTS[Object.keys(ALREADYLISTENEDPORTS)[Object.keys(ALREADYLISTENEDPORTS).length-1]].PORT.toString() == R.toString()
                && !isTrue(ALREADYLISTENEDPORTS[Object.keys(ALREADYLISTENEDPORTS)[Object.keys(ALREADYLISTENEDPORTS).length-1]].used)) {
                LISTENED=true;
                console.log("LISTENING ON "+R);
                server.listen(R);
            }
        
            delete ALREADYLISTENEDPORTS[Object.keys(ALREADYLISTENEDPORTS)[Object.keys(ALREADYLISTENEDPORTS).length-1]];
        }
    });
}, 1000);

// sometimes it doesnt listen after 1000
setTimeout(function () {
    if (typeof LISTENED =="undefined" || !isTrue(LISTENED)) console.log("stopped"),process.exit();
}, 2000);

lalal.py

import os

print os.environ['PORT']