Fixing issue with new redis startup being ignored.

There was an issue in which after going down once the up notification
would be ignored. So even though redis was up we'd detect that redis
as still down.

lib/redis_proxy.js

@@ -38,7 +38,7 @@ var RedisProxy = module.exports = function(o){
   }
   var onUp =  function onUp() {
     logger.debug("We have a server that went up");
-    if(_.isNull(self._active) && this.client.server_info.role === 'master'){
+    if(!self.active && this.client.server_info.role === 'master'){
       self._active = this;
       logger.info("setting up the active "+ self._active.options.host + ":" + self._active.options.port);
       self.readyup(this);
@@ -90,16 +90,19 @@ Object.defineProperty(RedisProxy.prototype, 'active', {
 
 // balancing strategies
 RedisProxy.prototype.readsToSlaves = function(command, id, callback) {
+  var serverToSend = null;
   if(!this.active){
     return callback(new Error("Expected to have atleast one redis to proxy"));
   }
   if(redisCommand.readOnly(command)) {
-    logger.info('Read only command sending to the slave');
-    (this.nextSlave() || this._active).sendCommand(command, id, callback);
+    logger.info('Read only command');
+    serverToSend = (this.nextSlave() || this.active)
   } else {
-    logger.info('mutating command sending to the active master');
-    this.active.sendCommand(command, id, callback);
+    logger.info('mutating command');
+    serverToSend = this.active;
   }
+  logger.info('server:'+ serverToSend.toString());
+  return serverToSend.sendCommand(command, id, callback);
 };
 
 RedisProxy.prototype.allToMaster = function(command, id, callback) {

lib/server.js

@@ -94,7 +94,7 @@ Server.prototype._createConnections = function(){
   , startSize: this.options.pool_size
   , delayCreation: false
   });
-}
+};
 
 Server.prototype.slave = function(server){
   var self = this;
@@ -122,7 +122,7 @@ Server.prototype._master = function (){
 Server.prototype._incrErrorCount = function(){
   this.errorCount++;
   if(this.errorCount > this.options.softErrorCount){
-    return this.down();
+    this.down();
   }
 };
 
@@ -158,6 +158,9 @@ Server.prototype._clearConnections = function clearConnections(){
   this.connections.closeAll();
   this.connections = null;
 };
+Server.prototype.toString = function  () {
+  return this.host+":"+ this.port;
+}
 
 Object.defineProperty(Server.prototype, 'host', {
   get: function() {return this.options.host;}