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/*
Copyright (C) 2020 Carl Hetherington <cth@carlh.net>
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 <http://www.gnu.org/licenses/>.
*/
/* We have the front-end application dcpomatic2_disk and the back-end
* dcpomatic2_disk_writer. The communication is line-based, separated
* by \n.
*/
/* PING */
// Front-end sends:
#define DISK_WRITER_PING "P"
// Back-end responds
#define DISK_WRITER_PONG "O"
/* 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 verified, 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
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