114 lines
2.5 KiB
C++
114 lines
2.5 KiB
C++
// ftpd is a server implementation based on the following:
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// - RFC 959 (https://tools.ietf.org/html/rfc959)
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// - RFC 3659 (https://tools.ietf.org/html/rfc3659)
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// - suggested implementation details from https://cr.yp.to/ftp/filesystem.html
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//
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// Copyright (C) 2020 Michael Theall
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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#pragma once
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#include <dirent.h>
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#include <cstdint>
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#include <cstdio>
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#include <cstdlib>
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#include <memory>
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namespace fs
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{
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std::string printSize (std::uint64_t size_);
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class File
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{
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public:
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~File ();
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File ();
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File (File const &that_) = delete;
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File (File &&that_);
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File &operator= (File const &that_) = delete;
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File &operator= (File &&that_);
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operator bool () const;
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operator FILE * () const;
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void setBufferSize (std::size_t size_);
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bool open (char const *path_, char const *mode_ = "rb");
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void close ();
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ssize_t seek (std::size_t pos_, int origin_);
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ssize_t read (void *data_, std::size_t size_);
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bool readAll (void *data_, std::size_t size_);
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ssize_t write (void const *data_, std::size_t size_);
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bool writeAll (void const *data_, std::size_t size_);
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template <typename T>
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T read ()
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{
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T data;
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if (read (&data, sizeof (data)) != sizeof (data))
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std::abort ();
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return data;
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}
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template <typename T>
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void write (T const &data_)
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{
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if (write (&data_, sizeof (data_)) != sizeof (data_))
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std::abort ();
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}
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private:
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std::unique_ptr<std::FILE, int (*) (std::FILE *)> m_fp{nullptr, nullptr};
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std::unique_ptr<char[]> m_buffer;
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std::size_t m_bufferSize = 0;
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};
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class Dir
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{
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public:
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~Dir ();
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Dir ();
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Dir (Dir const &that_) = delete;
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Dir (Dir &&that_);
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Dir &operator= (Dir const &that_) = delete;
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Dir &operator= (Dir &&that_);
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operator bool () const;
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operator DIR * () const;
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bool open (char const *const path_);
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void close ();
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struct dirent *read ();
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private:
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std::unique_ptr<DIR, int (*) (DIR *)> m_dp{nullptr, nullptr};
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};
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}
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