http request that does a callback request

gistfile1.js

// http request that does a callback request
var req = function(options) {
    var r = http.request(options, function(res) {
        var resBody = '';
        res.setEncoding('utf8');
        res.on('data', function (chunk) {
            resBody += chunk;
        });
        res.on('end', function() {
            var resJSON = JSON.parse(resBody);
            var callback = resJSON.callback;
            if(callback && callback.options) {
                var req2 = req(callback.options);
                if (callback.data) {
                    req2.write(JSON.stringify(callback.data));
                }
                req2.end();
            } else {
                //tasksCreated === false ? doTasks() : allDone();
            }
        });
        res.on('error', function(err) {
            if (err) {
                console.log(err);
            }
        });
    });
    r.on('error', function(err) {
        if (err) {
            console.log(err);
        }
    });
    return r;
};

var run = function(options, data) {
    var qs = querystring.stringify(data);
    options.headers['Content-Length'] = qs.length;
    var r = req(options);
    r.write(qs);
};

var options = {
    host: 'localhost',
    port: 5984,
    path: '/path/to/update',
    method: 'POST',
    headers: {
        'Content-Type': 'application/x-www-form-urlencoded',
    }
};

var data = {
    from: '+13125551212', // clinic.contact.phone
    message: '1!MSBR!2012#1#24#12003212300' + // refid
             '#1111#bbbbbbbbbbbbbbbbbbbb#22#8#cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc',
    sent_timestamp: '1-19-12 18:45',
    sent_to: '+15551212',
    message_id: '13579',
    foo: 'bar' // extra is ok
};

run(options, data);