mirror of
https://github.com/matrix-construct/construct
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91 lines
4.7 KiB
C++
91 lines
4.7 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_DB_DATABASE_ENV_H
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// This file is not part of the standard include stack because it requires
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// RocksDB symbols which we cannot forward declare. It is used internally
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// and does not need to be included by general users of IRCd.
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/// Internal environment hookup.
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///
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struct ircd::db::database::env final
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:rocksdb::Env
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{
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struct writable_file;
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struct sequential_file;
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struct random_access_file;
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struct random_rw_file;
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struct directory;
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struct file_lock;
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using Status = rocksdb::Status;
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using EnvOptions = rocksdb::EnvOptions;
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using Directory = rocksdb::Directory;
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using FileLock = rocksdb::FileLock;
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using WritableFile = rocksdb::WritableFile;
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using SequentialFile = rocksdb::SequentialFile;
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using RandomAccessFile = rocksdb::RandomAccessFile;
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using RandomRWFile = rocksdb::RandomRWFile;
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using Logger = rocksdb::Logger;
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using ThreadStatus = rocksdb::ThreadStatus;
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using ThreadStatusUpdater = rocksdb::ThreadStatusUpdater;
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database &d;
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Env &defaults
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{
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*rocksdb::Env::Default()
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};
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Status NewSequentialFile(const std::string& f, std::unique_ptr<SequentialFile>* r, const EnvOptions& options) noexcept override;
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Status NewRandomAccessFile(const std::string& f, std::unique_ptr<RandomAccessFile>* r, const EnvOptions& options) noexcept override;
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Status NewWritableFile(const std::string& f, std::unique_ptr<WritableFile>* r, const EnvOptions& options) noexcept override;
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Status ReopenWritableFile(const std::string& fname, std::unique_ptr<WritableFile>* result, const EnvOptions& options) noexcept override;
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Status ReuseWritableFile(const std::string& fname, const std::string& old_fname, std::unique_ptr<WritableFile>* r, const EnvOptions& options) noexcept override;
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Status NewRandomRWFile(const std::string& fname, std::unique_ptr<RandomRWFile>* result, const EnvOptions& options) noexcept override;
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Status NewDirectory(const std::string& name, std::unique_ptr<Directory>* result) noexcept override;
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Status FileExists(const std::string& f) noexcept override;
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Status GetChildren(const std::string& dir, std::vector<std::string>* r) noexcept override;
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Status GetChildrenFileAttributes(const std::string& dir, std::vector<FileAttributes>* result) noexcept override;
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Status DeleteFile(const std::string& f) noexcept override;
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Status CreateDir(const std::string& d) noexcept override;
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Status CreateDirIfMissing(const std::string& d) noexcept override;
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Status DeleteDir(const std::string& d) noexcept override;
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Status GetFileSize(const std::string& f, uint64_t* s) noexcept override;
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Status GetFileModificationTime(const std::string& fname, uint64_t* file_mtime) noexcept override;
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Status RenameFile(const std::string& s, const std::string& t) noexcept override;
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Status LinkFile(const std::string& s, const std::string& t) noexcept override;
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Status LockFile(const std::string& f, FileLock** l) noexcept override;
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Status UnlockFile(FileLock* l) noexcept override;
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void Schedule(void (*f)(void* arg), void* a, Priority pri, void* tag = nullptr, void (*u)(void* arg) = 0) noexcept override;
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int UnSchedule(void* tag, Priority pri) noexcept override;
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void StartThread(void (*f)(void*), void* a) noexcept override;
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void WaitForJoin() noexcept override;
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unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const noexcept override;
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Status GetTestDirectory(std::string* path) noexcept override;
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Status NewLogger(const std::string& fname, std::shared_ptr<Logger>* result) noexcept override;
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uint64_t NowMicros() noexcept override;
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void SleepForMicroseconds(int micros) noexcept override;
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Status GetHostName(char* name, uint64_t len) noexcept override;
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Status GetCurrentTime(int64_t* unix_time) noexcept override;
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Status GetAbsolutePath(const std::string& db_path, std::string* output_path) noexcept override;
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void SetBackgroundThreads(int num, Priority pri) noexcept override;
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void IncBackgroundThreadsIfNeeded(int num, Priority pri) noexcept override;
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void LowerThreadPoolIOPriority(Priority pool = LOW) noexcept override;
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std::string TimeToString(uint64_t time) noexcept override;
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Status GetThreadList(std::vector<ThreadStatus>* thread_list) noexcept override;
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ThreadStatusUpdater* GetThreadStatusUpdater() const noexcept override;
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uint64_t GetThreadID() const noexcept override;
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int GetBackgroundThreads(Priority pri) noexcept override;
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env(database *const &d);
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~env() noexcept;
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};
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