/* Copyright (C) 2020 Carl Hetherington This file is part of DCP-o-matic. DCP-o-matic is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. DCP-o-matic is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with DCP-o-matic. If not, see . */ /* We have the front-end application dcpomatic2_disk and the back-end * dcpomatic2_disk_writer. The communication is line-based, separated * by \n. */ /* REQUEST TO WRITE DCP */ // Front-end sends: #define DISK_WRITER_WRITE "W" // DCP pathname // Internal name of the drive to write to // Back-end responds: // everything is ok #define DISK_WRITER_OK "D" // there was an error #define DISK_WRITER_ERROR "E" // Error message // Error number // the drive is being formatted #define DISK_WRITER_FORMATTING "F" // data is being copied, 30% done #define DISK_WRITER_COPY_PROGRESS "C" // 0.3\n // data is being veriried, 60% done #define DISK_WRITER_VERIFY_PROGRESS "V" // 0.6\n /* REQUEST TO QUIT */ // Front-end sends: #define DISK_WRITER_QUIT "Q" /* REQUEST TO UNMOUNT A DRIVE */ // Front-end sends: #define DISK_WRITER_UNMOUNT "U" // XML representation of Drive object to unmount // Back-end responds: // DISK_WRITER_OK // or // DISK_WRITER_ERROR