From 37fdf25eae5884336269839b61c752e6e31bcbe5 Mon Sep 17 00:00:00 2001
From: Cryptkeeper <hello@cryptkpr.me>
Date: Mon, 1 Feb 2016 05:14:33 -0600
Subject: [PATCH] Add some comments

---
 lib/util.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/util.js b/lib/util.js
index 44921e6..98639e4 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -5,6 +5,8 @@ var servers = require('../servers.json');
 
 var serverNameLookup = {};
 
+// Finds a server in servers.json with a matching IP.
+// If it finds one, it caches the result for faster future lookups.
 function getServerNameByIp(ip) {
 	var lookupName = serverNameLookup[ip];
 
@@ -23,6 +25,7 @@ function getServerNameByIp(ip) {
 	}
 }
 
+// Returns a list of configured server IPs from servers.json
 function getServerIps() {
 	var ips = [];