X-Git-Url: https://git.r.bdr.sh/rbdr/mobius/blobdiff_plain/ba29c43bb23de83c7715271e0830cb9f00e9e1c1..f22acf38da970aa0d865a9978c9499dad01d235f:/hotline/transfer.go diff --git a/hotline/transfer.go b/hotline/transfer.go index 4e6f79f..7333197 100644 --- a/hotline/transfer.go +++ b/hotline/transfer.go @@ -29,89 +29,72 @@ func (tf *transfer) Write(b []byte) (int, error) { return len(b), nil } -const fileCopyBufSize = 524288 // 512k -func receiveFile(conn io.Reader, targetFile io.Writer, resForkFile io.Writer) error { - ffhBuf := make([]byte, 24) - if _, err := io.ReadFull(conn, ffhBuf); err != nil { - return err - } - - var ffh FlatFileHeader - err := binary.Read(bytes.NewReader(ffhBuf), binary.BigEndian, &ffh) - if err != nil { - return err - } - - ffifhBuf := make([]byte, 16) - if _, err := io.ReadFull(conn, ffifhBuf); err != nil { - return err - } - - var ffifh FlatFileInformationForkHeader - err = binary.Read(bytes.NewReader(ffifhBuf), binary.BigEndian, &ffifh) - if err != nil { - return err - } +const fileCopyBufSize = 4096 - var ffif FlatFileInformationFork - - dataLen := binary.BigEndian.Uint32(ffifh.DataSize[:]) - ffifBuf := make([]byte, dataLen) - if _, err := io.ReadFull(conn, ffifBuf); err != nil { - return err - } - if err := ffif.UnmarshalBinary(ffifBuf); err != nil { +func receiveFile(r io.Reader, targetFile, resForkFile, infoFork io.Writer) error { + var ffo flattenedFileObject + if _, err := ffo.ReadFrom(r); err != nil { return err } - var ffdfh FlatFileDataForkHeader - ffdfhBuf := make([]byte, 16) - if _, err := io.ReadFull(conn, ffdfhBuf); err != nil { - return err - } - err = binary.Read(bytes.NewReader(ffdfhBuf), binary.BigEndian, &ffdfh) + // Write the information fork + _, err := infoFork.Write(ffo.FlatFileInformationFork.MarshalBinary()) if err != nil { return err } - // this will be zero if the file only has a resource fork - fileSize := int(binary.BigEndian.Uint32(ffdfh.DataSize[:])) - + // read and write the data fork bw := bufio.NewWriterSize(targetFile, fileCopyBufSize) - _, err = io.CopyN(bw, conn, int64(fileSize)) - if err != nil { + if _, err = io.CopyN(bw, r, ffo.dataSize()); err != nil { return err } if err := bw.Flush(); err != nil { return err } - if ffh.ForkCount == [2]byte{0, 3} { - var resForkHeader FlatFileDataForkHeader - if _, err := io.ReadFull(conn, resForkHeader.ForkType[:]); err != nil { + if ffo.FlatFileHeader.ForkCount == [2]byte{0, 3} { + if err := binary.Read(r, binary.BigEndian, &ffo.FlatFileResForkHeader); err != nil { return err } - if _, err := io.ReadFull(conn, resForkHeader.CompressionType[:]); err != nil { + bw = bufio.NewWriterSize(resForkFile, fileCopyBufSize) + _, err = io.CopyN(resForkFile, r, ffo.rsrcSize()) + if err != nil { return err } - - if _, err := io.ReadFull(conn, resForkHeader.RSVD[:]); err != nil { + if err := bw.Flush(); err != nil { return err } + } + return nil +} - if _, err := io.ReadFull(conn, resForkHeader.DataSize[:]); err != nil { - return err - } +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 + } - bw = bufio.NewWriterSize(resForkFile, fileCopyBufSize) - _, err = io.CopyN(resForkFile, conn, int64(binary.BigEndian.Uint32(resForkHeader.DataSize[:]))) + 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 } - if err := bw.Flush(); err != nil { + // totalSent += int64(bytesRead) + + // fileTransfer.BytesSent += bytesRead + + if _, err := w.Write(rSendBuffer[:bytesRead]); err != nil { return err } } - return nil + }