From 45a331f920c9d5dc530d8cbe521684d4eae64c83 Mon Sep 17 00:00:00 2001
From: Zack Scholl <zack.scholl@gmail.com>
Date: Fri, 3 May 2019 13:26:40 -0700
Subject: [PATCH] add comments

---
 src/croc/croc.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/croc/croc.go b/src/croc/croc.go
index f37ff7be..05801589 100644
--- a/src/croc/croc.go
+++ b/src/croc/croc.go
@@ -305,12 +305,16 @@ func (c *Client) Send(options TransferOptions) (err error) {
 		for {
 			data, _ := conn.Receive()
 			if bytes.Equal(data, []byte("ips?")) {
+				// recipient wants to try to connect to local ips
 				var ips []string
+				// only get local ips if the local is enabled
 				if !c.Options.DisableLocal {
+					// get list of local ips
 					ips, err = utils.GetLocalIPs()
 					if err != nil {
 						log.Debugf("error getting local ips: %s", err.Error())
 					}
+					// prepend the port that is being listened to
 					ips = append([]string{c.Options.RelayPorts[0]}, ips...)
 				}
 				bips, _ := json.Marshal(ips)