mirror of
https://github.com/wiiu-env/ftpiiu_plugin.git
synced 2024-12-23 03:11:49 +01:00
156 lines
3.8 KiB
C++
156 lines
3.8 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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/// \brief Print size in human-readable format (KiB, MiB, etc)
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/// \param size_ Size to print
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std::string printSize (std::uint64_t size_);
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/// \brief File I/O object
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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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/// \brief Move constructor
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/// \param that_ Object to move from
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File (File &&that_);
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File &operator= (File const &that_) = delete;
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/// \brief Move assignment
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/// \param that_ Object to move from
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File &operator= (File &&that_);
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/// \brief bool cast operator
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explicit operator bool () const;
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/// \brief std::FILE* cast operator
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operator std::FILE * () const;
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/// \brief Set buffer size
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/// \param size_ Buffer size
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void setBufferSize (std::size_t size_);
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/// \brief Open file
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/// \param path_ Path to open
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/// \param mode_ Access mode (\sa std::fopen)
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bool open (char const *path_, char const *mode_ = "rb");
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/// \brief Close file
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void close ();
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/// \brief Seek to file position
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/// \param pos_ File position
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/// \param origin_ Reference position (\sa std::fseek)
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ssize_t seek (std::size_t pos_, int origin_);
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/// \brief Read data
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/// \param data_ Output buffer
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/// \param size_ Size to read
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/// \note Can return partial reads
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ssize_t read (void *data_, std::size_t size_);
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/// \brief Read data
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/// \param data_ Output buffer
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/// \param size_ Size to read
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/// \note Fails on partial reads and errors
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bool readAll (void *data_, std::size_t size_);
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/// \brief Write data
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/// \param data_ Input data
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/// \param size_ Size to write
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/// \note Can return partial writes
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ssize_t write (void const *data_, std::size_t size_);
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/// \brief Write data
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/// \param data_ Input data
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/// \param size_ Size to write
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/// \note Fails on partials writes and errors
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bool writeAll (void const *data_, std::size_t size_);
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private:
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/// \brief Underlying std::FILE*
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std::unique_ptr<std::FILE, int (*) (std::FILE *)> m_fp{nullptr, nullptr};
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/// \brief Buffer
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std::unique_ptr<char[]> m_buffer;
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/// \brief Buffer size
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std::size_t m_bufferSize = 0;
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};
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/// Directory object
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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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/// \brief Move constructor
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/// \param that_ Object to move from
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Dir (Dir &&that_);
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Dir &operator= (Dir const &that_) = delete;
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/// \brief Move assignment
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/// \param that_ Object to move from
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Dir &operator= (Dir &&that_);
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/// \brief bool cast operator
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explicit operator bool () const;
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/// \brief DIR* cast operator
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operator DIR * () const;
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/// \brief Open directory
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/// \param path_ Path to open
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bool open (char const *const path_);
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/// \brief Close directory
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void close ();
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/// \brief Read a directory entry
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/// \note Returns nullptr on end-of-directory or error; check errno
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struct dirent *read ();
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private:
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/// \brief Underlying DIR*
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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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