From 52b3490e08c5f1c72fe225d4399b4a74fdb7056b Mon Sep 17 00:00:00 2001
From: Arsen Musayelyan <moussaelianarsen@gmail.com>
Date: Sat, 5 Dec 2020 21:55:14 -0800
Subject: [PATCH] Add comments

---
 files.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/files.go b/files.go
index 4013aad..ed7aac4 100644
--- a/files.go
+++ b/files.go
@@ -121,11 +121,16 @@ func RecvFiles(senderAddr string) {
 	var response *http.Response
 	// GET /index on sender's HTTP server
 	response, err := http.Get(serverAddr + "/index")
+	// If error occurred, retry every 500ms
 	if err != nil {
+		// Set index failed to true
 		indexGetFailed := true
 		for indexGetFailed {
+			// GET /index on sender's HTTP server
 			response, err = http.Get(serverAddr + "/index")
+			// If no error, set index failed to false
 			if err == nil { indexGetFailed = false }
+			// Wait 500s
 			time.Sleep(500*time.Millisecond)
 		}
 	}