Minor cleanup of transfer

1 files changed, 8 insertions, 30 deletions

diff --git a/hotline/transfer.go b/hotline/transfer.go
index b8bec1d..fa431ce 100644
--- a/hotline/transfer.go
+++ b/hotline/transfer.go
@@ -6,45 +6,23 @@ import (
 	"errors"
 )
 
-type Transfer struct {
+type transfer struct {
 	Protocol        [4]byte // "HTXF" 0x48545846
 	ReferenceNumber [4]byte // Unique ID generated for the transfer
 	DataSize        [4]byte // File size
 	RSVD            [4]byte // Not implemented in Hotline Protocol
 }
 
-func NewReadTransfer(b []byte) (Transfer, error) {
-	r := bytes.NewReader(b)
-	var transfer Transfer
+var HTXF = [4]byte{0x48, 0x54, 0x58, 0x46} // (HTXF) is the only supported transfer protocol
 
-	if err := binary.Read(r, binary.BigEndian, &transfer); err != nil {
-		return transfer, err
+func (tf *transfer) Write(b []byte) (int, error) {
+	if err := binary.Read(bytes.NewReader(b), binary.BigEndian, tf); err != nil {
+		return 0, err
 	}
 
-	// 0x48545846 (HTXF) is the only supported transfer protocol
-	if transfer.Protocol != [4]byte{0x48, 0x54, 0x58, 0x46} {
-		return transfer, errors.New("invalid protocol")
+	if tf.Protocol != HTXF {
+		return 0, errors.New("invalid protocol")
 	}
 
-	return transfer, nil
+	return len(b), nil
 }
-
-//
-//type FolderTransfer struct {
-//	Protocol        [4]byte // "HTXF" 0x48545846
-//	ReferenceNumber [4]byte // Unique ID generated for the transfer
-//	DataSize        [4]byte // File size
-//	RSVD            [4]byte // Not implemented in Hotline Protocol
-//	Action          [2]byte // Next file action
-//}
-//
-//func ReadFolderTransfer(b []byte) (FolderTransfer, error) {
-//	r := bytes.NewReader(b)
-//	var decodedEvent FolderTransfer
-//
-//	if err := binary.Read(r, binary.BigEndian, &decodedEvent); err != nil {
-//		return decodedEvent, err
-//	}
-//
-//	return decodedEvent, nil
-//}