Redis is now optional

README.md

@@ -8,8 +8,12 @@ The end goal of the project is to provide an abstraction layer of the protocol u
 Requirements
 ------------
 
-* [Node.js](http://nodejs.org/) (tested with v0.1.20-3-g5b1a535)
-* [Redis](http://code.google.com/p/redis/) used for logging. [redis-node-client](http://github.com/fictorial/redis-node-client) is included.
+
+* [Node.js](http://nodejs.org/) (tested with v0.1.21)
+
+Optional:
+
+* [Redis](http://code.google.com/p/redis/) used for logging. [redis-node-client](http://github.com/fictorial/redis-node-client) is included. See `log.js` for the benefits of Redis as a logging mechanism.
 
 How to use
 ----------

lib/redis.js

@@ -38,7 +38,7 @@ var Client = exports.Client = function (port, host) {
 
 // Callback a function after we've ensured we're connected to Redis.
 
-Client.prototype.connect = function (callback_on_connect) {
+Client.prototype.connect = function (callback_on_connect, callback_on_error) {
   var self = this;
   if (this.conn && this.conn.readyState === "open") {
     if (typeof(callback_on_connect) === "function")
@@ -59,8 +59,7 @@ Client.prototype.connect = function (callback_on_connect) {
       self.handle_replies();
     });
     this.conn.addListener("close", function (encountered_error) {
-      if (encountered_error) 
-        throw new Error("redis server up?");
+      if (encountered_error && callback_on_error) callback_on_error(); 
     });
     this.conn.connect(this.port, this.host);
   }

log.js

@@ -16,7 +16,7 @@ author: [Guillermo Rauch](http://devthought.com)
 
 var sys = require('sys'),
     redis = require('./lib/redis'),
-    ready = false,
+    ready = null,
     busy = false,
     client = new redis.Client(),
     stack = [],
@@ -63,4 +63,6 @@ this.store = function(message, type){
 };
 
 // connect to redis
-client.connect(onConnect);
+client.connect(onConnect, function(){
+  ready = false;
+});