Attempting to monitor existence of Redis in Connect/Express

gistfile1.js

// This just seems silly, honestly... and I'm concerned about my use of app.use 
// over and over. :-/

// This var is only necessary b/c the connection to redis continues to be attempted 
// if the error event is handled.
var redisConnected = false;

function redisConnect() {
  if(!redisConnected) {
    logger.warn("Redis Session store connected; applying session.");
    app.use(express.session({
        "secret" : config.sessionSecret,
        "store" : store,
        "maxAge" : 1800000
      }));
    redisConnected = true;
  }
}

function redisError(error) {
  if(redisConnected) {
    logger.error("Redis Session store failed; creating cookie-based session: " + error);

    app.use(express.session({
        "secret" : config.sessionSecret,
        "maxAge" : 1800000
      }));

    redisConnected = false;
  }
}

var RedisStore = require('connect-redis')(express),
  store = new RedisStore;
store.client.on("error", redisError);
store.client.on("connect", redisConnect);
app.use(express.session({
    "secret" : config.sessionSecret,
    "store" : store,
    "maxAge" : 1800000
  }));