From cf2b28beca6c91ecad49f0c76ddc06c76681d96f Mon Sep 17 00:00:00 2001
From: chatlanin <zimin@chatlanin.com.ru>
Date: Wed, 19 Apr 2023 21:04:10 +0300
Subject: [PATCH] initial commit

---
 .gitignore      |  2 ++
 bin/main.cpp    | 59 +++++++++++++++++++++++++++++++++++++++++++++++++
 bin/meson.build |  6 +++++
 meson.build     | 37 +++++++++++++++++++++++++++++++
 props.json      |  2 ++
 run             | 13 +++++++++++
 6 files changed, 119 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 bin/main.cpp
 create mode 100644 bin/meson.build
 create mode 100644 meson.build
 create mode 100644 props.json
 create mode 100755 run

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9785597
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+build
+.cache
diff --git a/bin/main.cpp b/bin/main.cpp
new file mode 100644
index 0000000..3f20491
--- /dev/null
+++ b/bin/main.cpp
@@ -0,0 +1,59 @@
+#include <iostream>
+#include <sys/statvfs.h>
+#include <mntent.h>
+#include <cstdio>
+#include <fstream>
+
+template <typename T>
+void print_in_color(const T& text, const std::string& color) 
+{
+  std::cout << "\033[" << color << "m" << text << "\033[0m";
+}
+
+template <typename T>
+std::string get_size_string(const T& size) {
+  if (size < 1024) {
+    return std::to_string(size) + " B";
+  } else if (size < 1024 * 1024) {
+    return std::to_string(size / 1024) + " KB";
+  } else if (size < 1024 * 1024 * 1024) {
+    return std::to_string(size / 1024 / 1024) + " MB";
+  } else {
+    return std::to_string(size / 1024 / 1024 / 1024) + " GB";
+  }
+}
+
+
+auto main() -> int
+{
+  std::ifstream fs("/etc/mtab");
+  std::FILE* file = std::fopen("/etc/fstab", "r");
+  struct mntent* mount_entry = nullptr;
+
+  std::cout << "\n\n";
+  while ((mount_entry = getmntent(file))) 
+  {
+    struct statvfs stat;
+    if (statvfs(mount_entry->mnt_dir, &stat) != 0) {
+      std::cerr << "Ошибка при получении информации о файловой системе: " << mount_entry->mnt_dir << "\n";
+      continue;
+    }
+
+    unsigned long long total_size = (unsigned long long) stat.f_frsize * stat.f_blocks;
+    unsigned long long free_size = (unsigned long long) stat.f_frsize * stat.f_bfree;
+    unsigned long long used_size = total_size - free_size;
+
+    std::cout << "Точка монтирования: " << mount_entry->mnt_dir << "\n";
+    std::cout << "Тип файловой системы: " << mount_entry->mnt_type << "\n";
+    std::cout << "Общий объем: ";
+    print_in_color(get_size_string(total_size), "0;33"); 
+    std::cout << "\nСвободное место: ";
+    print_in_color(get_size_string(free_size), "0;32"); 
+    std::cout << "\nИспользовано: ";
+    print_in_color(get_size_string(used_size), "0;35");
+    std::cout << "\n\n";
+  }
+
+  std::fclose(file);
+  fs.close();
+}
diff --git a/bin/meson.build b/bin/meson.build
new file mode 100644
index 0000000..43a6d81
--- /dev/null
+++ b/bin/meson.build
@@ -0,0 +1,6 @@
+executable(
+  'disk-info', 
+  'main.cpp', 
+  dependencies : deps,
+  cpp_args: args
+)
diff --git a/meson.build b/meson.build
new file mode 100644
index 0000000..d1fc5fa
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,37 @@
+project(
+  'disk-info', 
+  'cpp', 
+  version : run_command('jq', '-r', '.version', join_paths(meson.source_root(), 'props.json'), check: true).stdout().strip(),
+  default_options : [
+    'warning_level=1',
+    'optimization=3',
+    'default_library=static',
+    'cpp_std=c++20',
+])
+
+add_project_arguments (
+  '-Wpedantic',
+  '-Wno-shadow', 
+  '-Wno-unused-but-set-variable',
+  '-Wno-comment',
+  '-Wno-unused-parameter',
+  '-Wno-unused-value',
+  '-Wno-missing-field-initializers',
+  '-Wno-narrowing',
+  '-Wno-deprecated-enum-enum-conversion',
+  '-Wno-volatile',
+  '-Wno-deprecated-declarations',
+  language: 'cpp'
+)
+
+#############################################################
+
+args = []
+deps = []
+inc = []
+
+#############################################################
+
+#subdir('src')
+subdir('bin')
+#subdir('tests')
diff --git a/props.json b/props.json
new file mode 100644
index 0000000..4342cdc
--- /dev/null
+++ b/props.json
@@ -0,0 +1,2 @@
+{"version": "0.1.0"}
+
diff --git a/run b/run
new file mode 100755
index 0000000..4de5442
--- /dev/null
+++ b/run
@@ -0,0 +1,13 @@
+#!/bin/zsh
+
+PROJECT_NAME="disk-info"
+
+command meson compile -C build 
+
+if [[ -z "$1" ]]; then
+  cd build
+  ./bin/$PROJECT_NAME
+  cd ..
+else
+  meson test $1 -C build
+fi