private void sendReadRequest(int id, SFTPv3FileHandle handle, long offset, int len) throws IOException
{
TypesWriter tw = new TypesWriter();
tw.writeString(handle.fileHandle, 0, handle.fileHandle.length);
tw.writeUINT64(offset);
tw.writeUINT32(len);
log.debug("Sending SSH_FXP_READ (" + id + ") " + offset + "/" + len);
sendMessage(Packet.SSH_FXP_READ, id, tw.getBytes());
}