Changing bytes to human readable format

client/reciever.go

@@ -22,7 +22,7 @@ func Reciever(code string) {
 	addr, port := utils.GetIPAddrAndPort()
 	conn, err := grpc.Dial(addr+":"+port, grpc.WithInsecure())
 	if err != nil {
-		log.Fatalf("Error:- ", err)
+		log.Fatalf("Error:- %v", err)
 		return
 	}
 	defer conn.Close()
@@ -42,12 +42,12 @@ func Reciever(code string) {
 		log.Fatalf("Error:- %v", err)
 		return
 	}
-	fmt.Println("FileName: ", file.Name, " Hash: ", file.Hash, " Size: ", file.Size)
+	fmt.Println("FileName: ", file.Name, " Hash: ", file.Hash, " Size: ", utils.ByteCountDecimal(file.Size))
 	if utils.FileExists(file.Name) {
 		fmt.Println("File Exists!")
 		return
 	}
-	bar := progressbar.Default(file.Size)
+	bar := progressbar.DefaultBytes(file.Size)
 	ack, err := client.SharePublicKey(context.Background(), &proto.PublicKey{Key: key.Bytes(), Code: code})
 	if err != nil {
 		log.Fatalf("Error:- %v", err)

client/sender.go

@@ -23,7 +23,7 @@ func Sender(filename string) {
 	addr, port := utils.GetIPAddrAndPort()
 	conn, err := grpc.Dial(addr+":"+port, grpc.WithInsecure())
 	if err != nil {
-		log.Fatalf("Error:- ", err)
+		log.Fatalf("Error:- %v", err)
 		return
 	}
 	defer conn.Close()
@@ -35,10 +35,10 @@ func Sender(filename string) {
 	}
 	defer file.Close()
 	fname, _ := os.Stat(filename)
-	bar := progressbar.Default(fname.Size())
+	bar := progressbar.DefaultBytes(fname.Size())
 	code, err := client.Sender(context.Background(), &proto.SenderRequest{Name: fname.Name(), Hash: utils.FileHash(filename), Size: fname.Size()})
 	if err != nil {
-		log.Fatalf("Error:- ", err)
+		log.Fatalf("Error:- %v", err)
 		return
 	}
 	fmt.Printf("On the other device type \n\n")

utils/bytesToHuman.go

@@ -0,0 +1,18 @@
+package utils
+
+import (
+	"fmt"
+)
+
+func ByteCountDecimal(b int64) string {
+	const unit = 1000
+	if b < unit {
+		return fmt.Sprintf("%d B", b)
+	}
+	div, exp := int64(unit), 0
+	for n := b / unit; n >= unit; n /= unit {
+		div *= unit
+		exp++
+	}
+	return fmt.Sprintf("%.1f %cB", float64(b)/float64(div), "kMGTPE"[exp])
+}