index.js

// List all imports
var RateLimiter = require('./lib/ratelimiter'),
	Limit = require('./lib/limit'),
	redis = require('redis');

// Create new limits
// l1 = daily limit of 50,000 calls across all users
// l2 = hourly limit of 10,000 calls across all users
// l3 = daily limit of 500 calls per user
// l4 = hourly limit of 100 calls per user
var l1 = new Limit("{sourceName}:global:daily", 86400, 50000),
	l2 = new Limit("{sourceName}:global:hourly", 3600, 200),
	l3 = new Limit("{sourceName}:{userID}:daily", 86400, 500),
	l4 = new Limit("{sourceName}:{userID}:hourly", 3600, 100);

// Create a client for Redis
var REDIS_PORT = 6379,
	REDIS_HOST = "127.0.0.1",
	redisClient = redis.createClient(REDIS_PORT, REDIS_HOST);

// Create a rate limiter and give as input the created limits and Redis client
var rl = new RateLimiter("fitbit", [l1,l2,l3,l4], redisClient);

// Send requests for two users one after another
var requestDispatcher = function(i, NUMBER_OF_CALLS, NUMBER_OF_USERS, finalCallback) {
	var userID = "user-" + (i % NUMBER_OF_USERS);
	if (i < NUMBER_OF_CALLS) {
			rl.request(userID, function(err, res) {
				if (err)
					console.log("REQUEST #" + (i+1) + " IS NOT ALLOWED for user: " +
						err.uid + " | LIMIT(s) REACHED: " + err.reachedLimits);
				else
					console.log("REQUEST #" + (i+1) + " IS ALLOWED for user: " + res.uid);
				
				if (i == NUMBER_OF_CALLS - 1)
					finalCallback();
				// Send the next request
				requestDispatcher(i+1, NUMBER_OF_CALLS, NUMBER_OF_USERS, finalCallback);
			});
	}

};

// Send 201 requests for 2 different users
requestDispatcher(0, 201, 2, function() {
	console.log("201 requests were successfully sent for 2 different users.");
	process.exit();
});