mirror of
https://github.com/SerenityOS/serenity
synced 2024-10-16 12:52:46 +00:00
79 lines
3 KiB
C++
79 lines
3 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <AK/String.h>
|
|
#include <AK/JsonArray.h>
|
|
#include <AK/JsonObject.h>
|
|
#include <AK/Vector.h>
|
|
#include <LibCore/File.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
struct FileSystem {
|
|
String fs;
|
|
size_t total_block_count { 0 };
|
|
size_t free_block_count { 0 };
|
|
size_t total_inode_count { 0 };
|
|
size_t free_inode_count { 0 };
|
|
String mount_point;
|
|
};
|
|
|
|
int main(int, char**)
|
|
{
|
|
auto file = Core::File::construct("/proc/df");
|
|
if (!file->open(Core::IODevice::ReadOnly)) {
|
|
fprintf(stderr, "Failed to open /proc/df: %s\n", file->error_string());
|
|
return 1;
|
|
}
|
|
printf("Filesystem Blocks Used Available Mount point\n");
|
|
|
|
auto file_contents = file->read_all();
|
|
auto json = JsonValue::from_string(file_contents).as_array();
|
|
json.for_each([](auto& value) {
|
|
auto fs_object = value.as_object();
|
|
auto fs = fs_object.get("class_name").to_string();
|
|
auto total_block_count = fs_object.get("total_block_count").to_u32();
|
|
auto free_block_count = fs_object.get("free_block_count").to_u32();
|
|
auto total_inode_count = fs_object.get("total_inode_count").to_u32();
|
|
auto free_inode_count = fs_object.get("free_inode_count").to_u32();
|
|
auto mount_point = fs_object.get("mount_point").to_string();
|
|
|
|
(void)total_inode_count;
|
|
(void)free_inode_count;
|
|
|
|
printf("%-10s", fs.characters());
|
|
printf("%10u ", total_block_count);
|
|
printf("%10u ", total_block_count - free_block_count);
|
|
printf("%10u ", free_block_count);
|
|
printf("%s", mount_point.characters());
|
|
printf("\n");
|
|
});
|
|
|
|
return 0;
|
|
}
|