mirror of
https://github.com/matrix-construct/construct
synced 2024-11-01 03:18:54 +01:00
294 lines
11 KiB
C++
294 lines
11 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
/// Internal environment hookup.
|
|
///
|
|
struct [[gnu::visibility("hidden")]]
|
|
ircd::db::database::env final
|
|
:rocksdb::Env
|
|
{
|
|
struct writable_file;
|
|
struct writable_file_direct;
|
|
struct sequential_file;
|
|
struct random_access_file;
|
|
struct random_rw_file;
|
|
struct directory;
|
|
struct file_lock;
|
|
struct state;
|
|
|
|
using Status = rocksdb::Status;
|
|
using EnvOptions = rocksdb::EnvOptions;
|
|
using Directory = rocksdb::Directory;
|
|
using FileLock = rocksdb::FileLock;
|
|
using WritableFile = rocksdb::WritableFile;
|
|
using SequentialFile = rocksdb::SequentialFile;
|
|
using RandomAccessFile = rocksdb::RandomAccessFile;
|
|
using RandomRWFile = rocksdb::RandomRWFile;
|
|
using Logger = rocksdb::Logger;
|
|
using ThreadStatus = rocksdb::ThreadStatus;
|
|
using ThreadStatusUpdater = rocksdb::ThreadStatusUpdater;
|
|
|
|
static int8_t make_nice(const IOPriority &);
|
|
static int8_t make_nice(const Priority &);
|
|
|
|
static ircd::log::log log;
|
|
|
|
database &d;
|
|
Env &defaults
|
|
{
|
|
*rocksdb::Env::Default()
|
|
};
|
|
|
|
std::unique_ptr<struct state> st;
|
|
|
|
Status NewSequentialFile(const std::string& f, std::unique_ptr<SequentialFile>* r, const EnvOptions& options) noexcept override;
|
|
Status NewRandomAccessFile(const std::string& f, std::unique_ptr<RandomAccessFile>* r, const EnvOptions& options) noexcept override;
|
|
Status NewWritableFile(const std::string& f, std::unique_ptr<WritableFile>* r, const EnvOptions& options) noexcept override;
|
|
Status ReopenWritableFile(const std::string& fname, std::unique_ptr<WritableFile>* result, const EnvOptions& options) noexcept override;
|
|
Status ReuseWritableFile(const std::string& fname, const std::string& old_fname, std::unique_ptr<WritableFile>* r, const EnvOptions& options) noexcept override;
|
|
Status NewRandomRWFile(const std::string& fname, std::unique_ptr<RandomRWFile>* result, const EnvOptions& options) noexcept override;
|
|
Status NewDirectory(const std::string& name, std::unique_ptr<Directory>* result) noexcept override;
|
|
Status FileExists(const std::string& f) noexcept override;
|
|
Status GetChildren(const std::string& dir, std::vector<std::string>* r) noexcept override;
|
|
Status GetChildrenFileAttributes(const std::string& dir, std::vector<FileAttributes>* result) noexcept override;
|
|
Status DeleteFile(const std::string& f) noexcept override;
|
|
Status CreateDir(const std::string& d) noexcept override;
|
|
Status CreateDirIfMissing(const std::string& d) noexcept override;
|
|
Status DeleteDir(const std::string& d) noexcept override;
|
|
Status GetFileSize(const std::string& f, uint64_t* s) noexcept override;
|
|
Status GetFileModificationTime(const std::string& fname, uint64_t* file_mtime) noexcept override;
|
|
Status RenameFile(const std::string& s, const std::string& t) noexcept override;
|
|
Status LinkFile(const std::string& s, const std::string& t) noexcept override;
|
|
Status LockFile(const std::string& f, FileLock** l) noexcept override;
|
|
Status UnlockFile(FileLock* l) noexcept override;
|
|
void Schedule(void (*f)(void* arg), void* a, Priority pri, void* tag = nullptr, void (*u)(void* arg) = 0) noexcept override;
|
|
int UnSchedule(void* tag, Priority pri) noexcept override;
|
|
void StartThread(void (*f)(void*), void* a) noexcept override;
|
|
void WaitForJoin() noexcept override;
|
|
unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const noexcept override;
|
|
Status GetTestDirectory(std::string* path) noexcept override;
|
|
Status NewLogger(const std::string& fname, std::shared_ptr<Logger>* result) noexcept override;
|
|
uint64_t NowNanos() noexcept override;
|
|
uint64_t NowMicros() noexcept override;
|
|
void SleepForMicroseconds(int micros) noexcept override;
|
|
Status GetHostName(char* name, uint64_t len) noexcept override;
|
|
Status GetCurrentTime(int64_t* unix_time) noexcept override;
|
|
Status GetAbsolutePath(const std::string& db_path, std::string* output_path) noexcept override;
|
|
void SetBackgroundThreads(int num, Priority pri) noexcept override;
|
|
void IncBackgroundThreadsIfNeeded(int num, Priority pri) noexcept override;
|
|
void LowerThreadPoolIOPriority(Priority pool = LOW) noexcept override;
|
|
std::string TimeToString(uint64_t time) noexcept override;
|
|
Status GetThreadList(std::vector<ThreadStatus>* thread_list) noexcept override;
|
|
ThreadStatusUpdater* GetThreadStatusUpdater() const noexcept override;
|
|
uint64_t GetThreadID() const noexcept override;
|
|
int GetBackgroundThreads(Priority pri) noexcept override;
|
|
|
|
env(database *const &d);
|
|
~env() noexcept;
|
|
};
|
|
|
|
struct [[gnu::visibility("hidden")]]
|
|
ircd::db::database::env::directory final
|
|
:rocksdb::Directory
|
|
{
|
|
using Status = rocksdb::Status;
|
|
|
|
database &d;
|
|
std::unique_ptr<Directory> defaults;
|
|
|
|
Status Fsync() noexcept override;
|
|
|
|
directory(database *const &d, const std::string &name, std::unique_ptr<Directory> defaults);
|
|
~directory() noexcept;
|
|
};
|
|
|
|
struct [[gnu::visibility("hidden")]]
|
|
ircd::db::database::env::file_lock final
|
|
:rocksdb::FileLock
|
|
{
|
|
database &d;
|
|
|
|
file_lock(database *const &d);
|
|
~file_lock() noexcept;
|
|
};
|
|
|
|
struct [[gnu::visibility("hidden")]]
|
|
ircd::db::database::env::random_access_file final
|
|
:rocksdb::RandomAccessFile
|
|
{
|
|
using Status = rocksdb::Status;
|
|
using Slice = rocksdb::Slice;
|
|
|
|
static const fs::fd::opts default_opts;
|
|
|
|
database &d;
|
|
fs::fd::opts opts;
|
|
fs::fd fd;
|
|
size_t _buffer_align;
|
|
int8_t ionice {0};
|
|
bool aio;
|
|
|
|
bool use_direct_io() const noexcept override;
|
|
size_t GetRequiredBufferAlignment() const noexcept override;
|
|
size_t GetUniqueId(char* id, size_t max_size) const noexcept override;
|
|
void Hint(AccessPattern pattern) noexcept override;
|
|
Status InvalidateCache(size_t offset, size_t length) noexcept override;
|
|
Status Read(uint64_t offset, size_t n, Slice *result, char *scratch) const noexcept override;
|
|
#ifdef IRCD_DB_HAS_ENV_MULTIREAD
|
|
Status MultiRead(rocksdb::ReadRequest *, size_t num) noexcept override;
|
|
#endif
|
|
Status Prefetch(uint64_t offset, size_t n) noexcept override;
|
|
|
|
random_access_file(database *const &d, const std::string &name, const EnvOptions &);
|
|
~random_access_file() noexcept;
|
|
};
|
|
|
|
struct [[gnu::visibility("hidden")]]
|
|
ircd::db::database::env::random_rw_file final
|
|
:rocksdb::RandomRWFile
|
|
{
|
|
using Status = rocksdb::Status;
|
|
using Slice = rocksdb::Slice;
|
|
|
|
static const fs::fd::opts default_opts;
|
|
|
|
database &d;
|
|
fs::fd::opts opts;
|
|
fs::fd fd;
|
|
size_t _buffer_align;
|
|
int8_t ionice {0};
|
|
bool nodelay {false};
|
|
bool aio;
|
|
|
|
bool use_direct_io() const noexcept override;
|
|
size_t GetRequiredBufferAlignment() const noexcept override;
|
|
Status Read(uint64_t offset, size_t n, Slice *result, char *scratch) const noexcept override;
|
|
Status Write(uint64_t offset, const Slice &data) noexcept override;
|
|
Status Flush() noexcept override;
|
|
Status Sync() noexcept override;
|
|
Status Fsync() noexcept override;
|
|
Status Close() noexcept override;
|
|
|
|
random_rw_file(database *const &d, const std::string &name, const EnvOptions &);
|
|
~random_rw_file() noexcept;
|
|
};
|
|
|
|
struct [[gnu::visibility("hidden")]]
|
|
ircd::db::database::env::sequential_file final
|
|
:rocksdb::SequentialFile
|
|
{
|
|
using Status = rocksdb::Status;
|
|
using Slice = rocksdb::Slice;
|
|
|
|
static const fs::fd::opts default_opts;
|
|
|
|
database &d;
|
|
ctx::mutex mutex;
|
|
fs::fd::opts opts;
|
|
fs::fd fd;
|
|
size_t _buffer_align;
|
|
off_t offset {0};
|
|
int8_t ionice {0};
|
|
bool aio;
|
|
|
|
bool use_direct_io() const noexcept override;
|
|
size_t GetRequiredBufferAlignment() const noexcept override;
|
|
Status InvalidateCache(size_t offset, size_t length) noexcept override;
|
|
Status PositionedRead(uint64_t offset, size_t n, Slice *result, char *scratch) noexcept override;
|
|
Status Read(size_t n, Slice *result, char *scratch) noexcept override;
|
|
Status Skip(uint64_t size) noexcept override;
|
|
|
|
sequential_file(database *const &d, const std::string &name, const EnvOptions &);
|
|
~sequential_file() noexcept;
|
|
};
|
|
|
|
struct [[gnu::visibility("hidden")]]
|
|
ircd::db::database::env::writable_file
|
|
:rocksdb::WritableFile
|
|
{
|
|
using Status = rocksdb::Status;
|
|
using Slice = rocksdb::Slice;
|
|
using IOPriority = rocksdb::Env::IOPriority;
|
|
using WriteLifeTimeHint = rocksdb::Env::WriteLifeTimeHint;
|
|
|
|
database &d;
|
|
ctx::mutex mutex;
|
|
rocksdb::EnvOptions env_opts;
|
|
fs::fd::opts opts;
|
|
IOPriority prio {IO_LOW};
|
|
int8_t ionice {0};
|
|
bool nodelay {false};
|
|
WriteLifeTimeHint hint {WriteLifeTimeHint::WLTH_NOT_SET};
|
|
fs::fd fd;
|
|
size_t preallocation_block_size {0};
|
|
ssize_t preallocation_last_block {-1};
|
|
|
|
bool IsSyncThreadSafe() const noexcept override;
|
|
size_t GetUniqueId(char* id, size_t max_size) const noexcept override;
|
|
IOPriority GetIOPriority() noexcept override;
|
|
void SetIOPriority(IOPriority pri) noexcept override;
|
|
WriteLifeTimeHint GetWriteLifeTimeHint() noexcept override;
|
|
void SetWriteLifeTimeHint(WriteLifeTimeHint hint) noexcept override;
|
|
uint64_t GetFileSize() noexcept override;
|
|
void SetPreallocationBlockSize(size_t size) noexcept override;
|
|
void GetPreallocationStatus(size_t* block_size, size_t* last_allocated_block) noexcept override;
|
|
void _allocate(const size_t &offset, const size_t &length);
|
|
void PrepareWrite(size_t offset, size_t len) noexcept override;
|
|
Status Allocate(uint64_t offset, uint64_t len) noexcept override;
|
|
Status PositionedAppend(const Slice& data, uint64_t offset) noexcept override;
|
|
Status Append(const Slice& data) noexcept override;
|
|
Status InvalidateCache(size_t offset, size_t length) noexcept override;
|
|
Status Truncate(uint64_t size) noexcept override;
|
|
Status RangeSync(uint64_t offset, uint64_t nbytes) noexcept override;
|
|
Status Fsync() noexcept override;
|
|
Status Sync() noexcept override;
|
|
Status Flush() noexcept override;
|
|
Status Close() noexcept override;
|
|
|
|
writable_file(database *const &d, const std::string &name, const EnvOptions &, const bool &trunc, const bool &ate);
|
|
writable_file(const writable_file &) = delete;
|
|
writable_file(writable_file &&) = delete;
|
|
~writable_file() noexcept;
|
|
};
|
|
|
|
struct [[gnu::visibility("hidden")]]
|
|
ircd::db::database::env::writable_file_direct final
|
|
:writable_file
|
|
{
|
|
size_t alignment {0};
|
|
size_t logical_offset {0};
|
|
unique_buffer<mutable_buffer> buffer;
|
|
|
|
bool aligned(const size_t &) const;
|
|
bool aligned(const void *const &) const;
|
|
bool aligned(const const_buffer &) const;
|
|
|
|
size_t align(const size_t &) const;
|
|
size_t remain(const size_t &) const;
|
|
size_t blocks(const size_t &) const;
|
|
|
|
size_t buffer_remain() const;
|
|
size_t buffer_consumed() const;
|
|
|
|
const_buffer _write__aligned(const const_buffer &, const uint64_t &offset);
|
|
const_buffer _write_aligned(const const_buffer &, const uint64_t &offset);
|
|
const_buffer write_aligned(const const_buffer &);
|
|
const_buffer write_unaligned_off(const const_buffer &);
|
|
const_buffer write_unaligned_buf(const const_buffer &);
|
|
const_buffer write(const const_buffer &);
|
|
|
|
uint64_t GetFileSize() noexcept override;
|
|
Status PositionedAppend(const Slice& data, uint64_t offset) noexcept override;
|
|
Status Append(const Slice& data) noexcept override;
|
|
Status Truncate(uint64_t size) noexcept override;
|
|
Status Close() noexcept override;
|
|
|
|
writable_file_direct(database *const &d, const std::string &name, const EnvOptions &, const bool &trunc, const bool &ate);
|
|
};
|