ff4d8b6e85
Rather than {std::experimental,boost,seastar::compat}::filesystem
On Sat, 2019-03-23 at 01:44 +0200, Avi Kivity wrote:
> The intent for seastar::compat was to allow the application to choose
> the C++ dialect and have seastar follow, rather than have seastar choose
> the types and have the application follow (as in your patch).
Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
/*
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* Copyright (C) 2015 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <fmt/format.h>
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#include <seastar/util/std-compat.hh>
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#include "utils/UUID.hh"
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namespace fs = std::filesystem;
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// Creates a new empty directory with arbitrary name, which will be removed
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// automatically when tmpdir object goes out of scope.
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class tmpdir {
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fs::path _path;
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private:
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void remove() {
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if (!_path.empty()) {
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fs::remove_all(_path);
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}
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}
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public:
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tmpdir()
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: _path(fs::temp_directory_path() /
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fs::path(fmt::format(FMT_STRING("scylla-{}"), utils::make_random_uuid()))) {
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fs::create_directories(_path);
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}
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tmpdir(tmpdir&& other) noexcept : _path(std::exchange(other._path, {})) { }
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tmpdir(const tmpdir&) = delete;
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void operator=(tmpdir&& other) noexcept {
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remove();
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_path = std::exchange(other._path, {});
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}
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void operator=(const tmpdir&) = delete;
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~tmpdir() {
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remove();
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}
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const fs::path& path() const noexcept { return _path; }
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};
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