mirror of https://github.com/ArduPilot/ardupilot
54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
|
/*
|
||
|
|
This program 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 3 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
ArduPilot filesystem backend interface.
|
||
|
|
*/
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <AP_HAL/AP_HAL_Boards.h>
|
||
|
|
|
||
|
|
#include "AP_Filesystem_Available.h"
|
||
|
|
|
||
|
|
#if HAVE_FILESYSTEM_SUPPORT
|
||
|
|
class AP_Filesystem_Backend {
|
||
|
|
|
||
|
|
public:
|
||
|
|
// functions that closely match the equivalent posix calls
|
||
|
|
virtual int open(const char *fname, int flags) = 0;
|
||
|
|
virtual int close(int fd) = 0;
|
||
|
|
virtual ssize_t read(int fd, void *buf, size_t count) = 0;
|
||
|
|
virtual ssize_t write(int fd, const void *buf, size_t count) = 0;
|
||
|
|
virtual int fsync(int fd) = 0;
|
||
|
|
virtual off_t lseek(int fd, off_t offset, int whence) = 0;
|
||
|
|
virtual int stat(const char *pathname, struct stat *stbuf) = 0;
|
||
|
|
virtual int unlink(const char *pathname) = 0;
|
||
|
|
virtual int mkdir(const char *pathname) = 0;
|
||
|
|
virtual void *opendir(const char *pathname) = 0;
|
||
|
|
virtual struct dirent *readdir(void *dirp) = 0;
|
||
|
|
virtual int closedir(void *dirp) = 0;
|
||
|
|
|
||
|
|
// return free disk space in bytes, -1 on error
|
||
|
|
virtual int64_t disk_free(const char *path) = 0;
|
||
|
|
|
||
|
|
// return total disk space in bytes, -1 on error
|
||
|
|
virtual int64_t disk_space(const char *path) = 0;
|
||
|
|
|
||
|
|
// set modification time on a file
|
||
|
|
virtual bool set_mtime(const char *filename, const time_t mtime_sec) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // HAVE_FILESYSTEM_SUPPORT
|