-//
-//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
-//}
+const fileCopyBufSize = 4096
+
+func receiveFile(r io.Reader, targetFile, resForkFile, infoFork io.Writer) error {
+ var ffo flattenedFileObject
+ if _, err := ffo.ReadFrom(r); err != nil {
+ return err
+ }
+
+ // Write the information fork
+ _, err := infoFork.Write(ffo.FlatFileInformationFork.MarshalBinary())
+ if err != nil {
+ return err
+ }
+
+ // read and write the data fork
+ bw := bufio.NewWriterSize(targetFile, fileCopyBufSize)
+ if _, err = io.CopyN(bw, r, ffo.dataSize()); err != nil {
+ return err
+ }
+ if err := bw.Flush(); err != nil {
+ return err
+ }
+
+ if ffo.FlatFileHeader.ForkCount == [2]byte{0, 3} {
+ if err := binary.Read(r, binary.BigEndian, &ffo.FlatFileResForkHeader); err != nil {
+ return err
+ }
+
+ bw = bufio.NewWriterSize(resForkFile, fileCopyBufSize)
+ _, err = io.CopyN(resForkFile, r, ffo.rsrcSize())
+ if err != nil {
+ return err
+ }
+ if err := bw.Flush(); err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+func sendFile(w io.Writer, r io.Reader, offset int) (err error) {
+ br := bufio.NewReader(r)
+ if _, err := br.Discard(offset); err != nil {
+ return err
+ }
+
+ rSendBuffer := make([]byte, 1024)
+ for {
+ var bytesRead int
+
+ if bytesRead, err = br.Read(rSendBuffer); err == io.EOF {
+ if _, err := w.Write(rSendBuffer[:bytesRead]); err != nil {
+ return err
+ }
+ return nil
+ }
+ if err != nil {
+ return err
+ }
+ // totalSent += int64(bytesRead)
+
+ // fileTransfer.BytesSent += bytesRead
+
+ if _, err := w.Write(rSendBuffer[:bytesRead]); err != nil {
+ return err
+ }
+ }
+
+}