socket.io problem

gistfile1.js

var io = require('socket.io').listen(8090,{"destroy upgrade": false})
  , fs = require('fs')
  , redis = require('redis');
var client = redis.createClient(6379,'localhost');
redis.debug_mode = true;
client.subscribe("football.match.event");
io.enable('browser client minification');

client.on("error", function (err) {
    console.log("error event - " + client.host + ":" + client.port + " - " + err);
    console.log('connected: ' + client.connected);
});

client.on("end", function (err) {
    console.log("error event - " + client.host + ":" + client.port + " - " + err);
});

client.on("close", function (err) {
    console.log("error event - " + client.host + ":" + client.port + " - " + err);
});


var socket = io.sockets.on('connection', function (socket) {
    console.log("connection");
    doMessageListen(socket);
});

var socket = io.sockets.on('reconnect', function (socket) {
    console.log('reconnection');
    doMessageListen(socket);
});


client.on("message", function (channel, message) {
    console.log("client1 channel " + channel + ": " + message);
});


var doMessageListen = function(socket) {
    return client.on("message", function(channel, message) {
		console.log('received message: ' + message);
		// if the message doesn't parse as JSON then the client throws an Error
		// The on error handler above is call and I no longer receive any client messages
        socket.json.emit('score',JSON.parse(message));
    });
}