1 files changed, 49 insertions, 0 deletions
diff --git a/hotline/transfer.go b/hotline/transfer.go
new file mode 100644
index 0000000..ecbe324
--- /dev/null
+++ b/hotline/transfer.go
@@ -0,0 +1,49 @@
+package hotline
+
+import (
+	"bytes"
+	"encoding/binary"
+	"errors"
+)
+
+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
+
+	if err := binary.Read(r, binary.BigEndian, &transfer); err != nil {
+		return transfer, err
+	}
+
+	// 0x48545846 (HTXF) is the only supported transfer protocol
+	if transfer.Protocol != [4]byte{0x48, 0x54, 0x58, 0x46} {
+		return transfer, errors.New("invalid protocol")
+	}
+
+	return transfer, 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
+//}