mirror of
https://github.com/matrix-construct/construct
synced 2024-06-28 14:58:20 +02:00
ircd::mods: Split up; clean up; reorg.
This commit is contained in:
Jason Volk
parent
fe6f09d218
commit
d745e65ee1
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@ -1,302 +0,0 @@
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// 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_MODS_H
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/// Modules system
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namespace ircd::mods
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{
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IRCD_EXCEPTION(ircd::error, error)
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IRCD_EXCEPTION(error, filesystem_error)
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IRCD_EXCEPTION(error, invalid_export)
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IRCD_EXCEPTION(error, expired_symbol)
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IRCD_EXCEPTION(error, undefined_symbol)
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struct mod;
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struct module;
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struct sym_ptr;
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template<class T> struct import;
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template<class T> struct import_shared;
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struct paths extern paths;
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// Platform (.so|.dll) postfixing
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std::string postfixed(const std::string &name);
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std::string unpostfixed(const std::string &name);
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// Section & Symbol utilites
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std::vector<std::string> sections(const std::string &fullpath);
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std::vector<std::string> symbols(const std::string &fullpath, const std::string §ion);
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std::vector<std::string> symbols(const std::string &fullpath);
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std::unordered_map<std::string, std::string> mangles(const std::vector<std::string> &);
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std::unordered_map<std::string, std::string> mangles(const std::string &fullpath, const std::string §ion);
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std::unordered_map<std::string, std::string> mangles(const std::string &fullpath);
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// Find module names where symbol resides
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bool has_symbol(const std::string &name, const std::string &symbol);
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std::vector<std::string> find_symbol(const std::string &symbol);
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// returns dir/name of first dir containing 'name' (and this will be a loadable module)
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// Unlike libltdl, the reason each individual candidate failed is presented in a vector.
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std::string search(const std::string &name, std::vector<std::string> &why);
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std::string search(const std::string &name);
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// Potential modules available to load
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std::forward_list<std::string> available();
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bool available(const std::string &name);
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bool loaded(const std::string &name);
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string_view name(const mod &);
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string_view path(const mod &);
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}
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// Bring struct module into main ircd::
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namespace ircd
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{
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using mods::module;
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using mods::import;
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using mods::import_shared;
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}
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struct ircd::mods::paths
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:std::vector<std::string>
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{
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bool added(const std::string &dir) const;
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bool del(const std::string &dir);
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bool add(const std::string &dir, std::nothrow_t);
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bool add(const std::string &dir);
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paths();
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};
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struct ircd::mods::module
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:std::shared_ptr<mod>
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{
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const std::string &name() const;
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const std::string &path() const;
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const std::string &mangle(const std::string &) const;
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bool has(const std::string &name) const;
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template<class T = uint8_t> const T *ptr(const std::string &name) const;
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template<class T = uint8_t> T *ptr(const std::string &name);
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template<class T> const T &get(const std::string &name) const;
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template<class T> T &get(const std::string &name);
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module(std::shared_ptr<mod> ptr = {})
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:std::shared_ptr<mod>{std::move(ptr)}
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{}
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module(const std::string &name);
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~module() noexcept;
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};
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namespace ircd::mods
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{
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template<> const uint8_t *module::ptr<const uint8_t>(const std::string &name) const;
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template<> uint8_t *module::ptr<uint8_t>(const std::string &name);
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}
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template<class T>
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T &
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ircd::mods::module::get(const std::string &name)
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{
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return *ptr<T>(name);
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}
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template<class T>
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const T &
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ircd::mods::module::get(const std::string &name)
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const
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{
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return *ptr<T>(name);
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}
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template<class T>
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T *
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ircd::mods::module::ptr(const std::string &name)
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{
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return reinterpret_cast<T *>(ptr<uint8_t>(name));
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}
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template<class T>
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const T *
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ircd::mods::module::ptr(const std::string &name)
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const
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{
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return reinterpret_cast<const T *>(ptr<const uint8_t>(name));
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}
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/// Representation of a symbol in a loaded library (non-template; low level).
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///
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class ircd::mods::sym_ptr
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:std::weak_ptr<mod>
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{
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void *ptr {nullptr};
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public:
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bool operator!() const;
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operator bool() const;
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template<class T> const T *get() const;
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template<class T> const T *operator->() const;
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template<class T> const T &operator*() const;
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template<class T, class... args> auto operator()(args&&... a) const;
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template<class T> T *get();
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template<class T> T *operator->();
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template<class T> T &operator*();
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sym_ptr() = default;
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sym_ptr(module, const std::string &symname);
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sym_ptr(const std::string &modname, const std::string &symname);
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~sym_ptr() noexcept;
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};
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template<class T>
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T &
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ircd::mods::sym_ptr::operator*()
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{
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if(unlikely(expired()))
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throw expired_symbol("The reference to a symbol in another module is no longer valid");
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return *get<T>();
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}
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template<class T>
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T *
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ircd::mods::sym_ptr::operator->()
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{
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return get<T>();
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}
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template<class T>
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T *
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ircd::mods::sym_ptr::get()
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{
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return reinterpret_cast<T *>(ptr);
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}
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template<class T,
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class... args>
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auto
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ircd::mods::sym_ptr::operator()(args&&... a)
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const
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{
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return (*get<T>())(std::forward<args>(a)...);
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}
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template<class T>
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const T &
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ircd::mods::sym_ptr::operator*()
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const
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{
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if(unlikely(expired()))
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throw expired_symbol("The const reference to a symbol in another module is no longer valid");
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return *get<T>();
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}
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template<class T>
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const T *
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ircd::mods::sym_ptr::operator->()
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const
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{
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return get<T>();
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}
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template<class T>
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const T *
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ircd::mods::sym_ptr::get()
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const
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{
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return reinterpret_cast<const T *>(ptr);
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}
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inline ircd::mods::sym_ptr::operator
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bool()
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const
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{
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return !bool(*this);
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}
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inline bool
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ircd::mods::sym_ptr::operator!()
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const
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{
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return !ptr || expired();
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}
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/// Representation of a symbol in a loaded shared library
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///
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template<class T>
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struct ircd::mods::import
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:sym_ptr
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{
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template<class... args>
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auto operator()(args&&... a) const
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{
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return sym_ptr::operator()<T>(std::forward<args>(a)...);
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}
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const T *operator->() const { return sym_ptr::operator-><T>(); }
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const T &operator*() const { return sym_ptr::operator*<T>(); }
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operator const T &() const { return sym_ptr::operator*<T>(); }
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T *operator->() { return sym_ptr::operator-><T>(); }
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T &operator*() { return sym_ptr::operator*<T>(); }
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operator T &() { return sym_ptr::operator*<T>(); }
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using sym_ptr::sym_ptr;
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};
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/// Convenience for importing an std::shared_ptr<T> from a loaded lib
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///
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template<class T>
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struct ircd::mods::import_shared
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:import<std::shared_ptr<T>>
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,std::shared_ptr<T>
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{
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using std::shared_ptr<T>::get;
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using std::shared_ptr<T>::operator bool;
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using std::shared_ptr<T>::operator->;
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using std::shared_ptr<T>::operator*;
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operator const T &() const { return std::shared_ptr<T>::operator*(); }
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operator T &() { return std::shared_ptr<T>::operator*(); }
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import_shared() = default;
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import_shared(module, const std::string &symname);
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import_shared(const std::string &modname, const std::string &symname);
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};
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template<class T>
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ircd::mods::import_shared<T>::import_shared(const std::string &modname,
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const std::string &symname)
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:import_shared
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{
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module(modname), symname
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}
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{}
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template<class T>
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ircd::mods::import_shared<T>::import_shared(module module,
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const std::string &symname)
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:import<std::shared_ptr<T>>
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{
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module, symname
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}
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,std::shared_ptr<T>
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{
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import<std::shared_ptr<T>>::operator*()
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}{}
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40
include/ircd/mods/import.h
Normal file
40
include/ircd/mods/import.h
Normal file
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@ -0,0 +1,40 @@
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// 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_MODS_IMPORT_H
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namespace ircd::mods
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{
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template<class T> struct import;
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}
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/// Representation of a symbol in a loaded shared library
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///
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template<class T>
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struct ircd::mods::import
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:sym_ptr
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{
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template<class... args>
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auto operator()(args&&... a) const
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{
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return sym_ptr::operator()<T>(std::forward<args>(a)...);
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}
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const T *operator->() const { return sym_ptr::operator-><T>(); }
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const T &operator*() const { return sym_ptr::operator*<T>(); }
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operator const T &() const { return sym_ptr::operator*<T>(); }
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T *operator->() { return sym_ptr::operator-><T>(); }
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T &operator*() { return sym_ptr::operator*<T>(); }
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operator T &() { return sym_ptr::operator*<T>(); }
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using sym_ptr::sym_ptr;
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};
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58
include/ircd/mods/import_shared.h
Normal file
58
include/ircd/mods/import_shared.h
Normal file
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@ -0,0 +1,58 @@
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// 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
|
||||
// purpose with or without fee is hereby granted, provided that the above
|
||||
// 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_MODS_IMPORT_SHARED_H
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namespace ircd::mods
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{
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template<class T> struct import_shared;
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}
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/// Convenience for importing an std::shared_ptr<T> from a loaded lib
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///
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template<class T>
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struct ircd::mods::import_shared
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:import<std::shared_ptr<T>>
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,std::shared_ptr<T>
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{
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using std::shared_ptr<T>::get;
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using std::shared_ptr<T>::operator bool;
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using std::shared_ptr<T>::operator->;
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using std::shared_ptr<T>::operator*;
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operator const T &() const { return std::shared_ptr<T>::operator*(); }
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operator T &() { return std::shared_ptr<T>::operator*(); }
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import_shared() = default;
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import_shared(module, const std::string &symname);
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import_shared(const std::string &modname, const std::string &symname);
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};
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template<class T>
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ircd::mods::import_shared<T>::import_shared(const std::string &modname,
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const std::string &symname)
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:import_shared
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{
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module(modname), symname
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}
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{}
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template<class T>
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ircd::mods::import_shared<T>::import_shared(module module,
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const std::string &symname)
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:import<std::shared_ptr<T>>
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{
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module, symname
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}
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,std::shared_ptr<T>
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{
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import<std::shared_ptr<T>>::operator*()
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}{}
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61
include/ircd/mods/mods.h
Normal file
61
include/ircd/mods/mods.h
Normal file
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@ -0,0 +1,61 @@
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// Matrix Construct
|
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//
|
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
||||
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
|
||||
//
|
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// 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.
|
||||
|
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#pragma once
|
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#define HAVE_IRCD_MODS_MODS_H
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/// Modules system
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namespace ircd::mods
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{
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struct mod;
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IRCD_EXCEPTION(ircd::error, error)
|
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IRCD_EXCEPTION(error, filesystem_error)
|
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IRCD_EXCEPTION(error, invalid_export)
|
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IRCD_EXCEPTION(error, expired_symbol)
|
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IRCD_EXCEPTION(error, undefined_symbol)
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string_view name(const mod &);
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string_view path(const mod &);
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}
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#include "paths.h"
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#include "symbols.h"
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#include "module.h"
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#include "sym_ptr.h"
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#include "import.h"
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#include "import_shared.h"
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// misc util
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namespace ircd::mods
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{
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bool loaded(const std::string &name);
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bool available(const std::string &name);
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bool is_module(const std::string &fullpath);
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bool is_module(const std::string &fullpath, std::nothrow_t);
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bool is_module(const std::string &fullpath, std::string &why);
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|
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// returns dir/name of first dir containing 'name' (and this will be
|
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// a loadable module). Unlike libltdl, the reason each individual
|
||||
// candidate failed is presented in a vector.
|
||||
std::string search(const std::string &name, std::vector<std::string> &why);
|
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std::string search(const std::string &name);
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|
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// Potential modules available to load
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std::forward_list<std::string> available();
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}
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// Exports down into ircd::
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namespace ircd
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{
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using mods::module;
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using mods::import;
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using mods::import_shared;
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}
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76
include/ircd/mods/module.h
Normal file
76
include/ircd/mods/module.h
Normal file
|
|
@ -0,0 +1,76 @@
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// Matrix Construct
|
||||
//
|
||||
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
||||
// Copyright (C) 2016-2018 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.
|
||||
|
||||
#pragma once
|
||||
#define HAVE_IRCD_MODS_MODULE_H
|
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|
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namespace ircd::mods
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{
|
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struct module;
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}
|
||||
|
||||
struct ircd::mods::module
|
||||
:std::shared_ptr<mod>
|
||||
{
|
||||
const std::string &name() const;
|
||||
const std::string &path() const;
|
||||
const std::string &mangle(const std::string &) const;
|
||||
|
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bool has(const std::string &name) const;
|
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|
||||
template<class T = uint8_t> const T *ptr(const std::string &name) const;
|
||||
template<class T = uint8_t> T *ptr(const std::string &name);
|
||||
|
||||
template<class T> const T &get(const std::string &name) const;
|
||||
template<class T> T &get(const std::string &name);
|
||||
|
||||
module(std::shared_ptr<mod> ptr = {})
|
||||
:std::shared_ptr<mod>{std::move(ptr)}
|
||||
{}
|
||||
|
||||
module(const std::string &name);
|
||||
~module() noexcept;
|
||||
};
|
||||
|
||||
namespace ircd::mods
|
||||
{
|
||||
template<> const uint8_t *module::ptr<const uint8_t>(const std::string &name) const;
|
||||
template<> uint8_t *module::ptr<uint8_t>(const std::string &name);
|
||||
}
|
||||
|
||||
template<class T>
|
||||
T &
|
||||
ircd::mods::module::get(const std::string &name)
|
||||
{
|
||||
return *ptr<T>(name);
|
||||
}
|
||||
|
||||
template<class T>
|
||||
const T &
|
||||
ircd::mods::module::get(const std::string &name)
|
||||
const
|
||||
{
|
||||
return *ptr<T>(name);
|
||||
}
|
||||
|
||||
template<class T>
|
||||
T *
|
||||
ircd::mods::module::ptr(const std::string &name)
|
||||
{
|
||||
return reinterpret_cast<T *>(ptr<uint8_t>(name));
|
||||
}
|
||||
|
||||
template<class T>
|
||||
const T *
|
||||
ircd::mods::module::ptr(const std::string &name)
|
||||
const
|
||||
{
|
||||
return reinterpret_cast<const T *>(ptr<const uint8_t>(name));
|
||||
}
|
||||
33
include/ircd/mods/paths.h
Normal file
33
include/ircd/mods/paths.h
Normal file
|
|
@ -0,0 +1,33 @@
|
|||
// Matrix Construct
|
||||
//
|
||||
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
||||
// Copyright (C) 2016-2018 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.
|
||||
|
||||
#pragma once
|
||||
#define HAVE_IRCD_MODS_PATHS_H
|
||||
|
||||
namespace ircd::mods
|
||||
{
|
||||
struct paths extern paths;
|
||||
|
||||
// Platform (.so|.dll) postfixing
|
||||
std::string postfixed(const std::string &name);
|
||||
std::string unpostfixed(const std::string &name);
|
||||
}
|
||||
|
||||
struct ircd::mods::paths
|
||||
:std::vector<std::string>
|
||||
{
|
||||
bool added(const std::string &dir) const;
|
||||
|
||||
bool del(const std::string &dir);
|
||||
bool add(const std::string &dir, std::nothrow_t);
|
||||
bool add(const std::string &dir);
|
||||
|
||||
paths();
|
||||
};
|
||||
117
include/ircd/mods/sym_ptr.h
Normal file
117
include/ircd/mods/sym_ptr.h
Normal file
|
|
@ -0,0 +1,117 @@
|
|||
// Matrix Construct
|
||||
//
|
||||
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
||||
// Copyright (C) 2016-2018 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.
|
||||
|
||||
#pragma once
|
||||
#define HAVE_IRCD_MODS_SYM_PTR_H
|
||||
|
||||
namespace ircd::mods
|
||||
{
|
||||
struct sym_ptr;
|
||||
}
|
||||
|
||||
/// Representation of a symbol in a loaded library (non-template; low level).
|
||||
///
|
||||
class ircd::mods::sym_ptr
|
||||
:std::weak_ptr<mod>
|
||||
{
|
||||
void *ptr {nullptr};
|
||||
|
||||
public:
|
||||
bool operator!() const;
|
||||
operator bool() const;
|
||||
|
||||
template<class T> const T *get() const;
|
||||
template<class T> const T *operator->() const;
|
||||
template<class T> const T &operator*() const;
|
||||
template<class T, class... args> auto operator()(args&&... a) const;
|
||||
|
||||
template<class T> T *get();
|
||||
template<class T> T *operator->();
|
||||
template<class T> T &operator*();
|
||||
|
||||
sym_ptr() = default;
|
||||
sym_ptr(module, const std::string &symname);
|
||||
sym_ptr(const std::string &modname, const std::string &symname);
|
||||
~sym_ptr() noexcept;
|
||||
};
|
||||
|
||||
template<class T>
|
||||
T &
|
||||
ircd::mods::sym_ptr::operator*()
|
||||
{
|
||||
if(unlikely(expired()))
|
||||
throw expired_symbol("The reference to a symbol in another module is no longer valid");
|
||||
|
||||
return *get<T>();
|
||||
}
|
||||
|
||||
template<class T>
|
||||
T *
|
||||
ircd::mods::sym_ptr::operator->()
|
||||
{
|
||||
return get<T>();
|
||||
}
|
||||
|
||||
template<class T>
|
||||
T *
|
||||
ircd::mods::sym_ptr::get()
|
||||
{
|
||||
return reinterpret_cast<T *>(ptr);
|
||||
}
|
||||
|
||||
template<class T,
|
||||
class... args>
|
||||
auto
|
||||
ircd::mods::sym_ptr::operator()(args&&... a)
|
||||
const
|
||||
{
|
||||
return (*get<T>())(std::forward<args>(a)...);
|
||||
}
|
||||
|
||||
template<class T>
|
||||
const T &
|
||||
ircd::mods::sym_ptr::operator*()
|
||||
const
|
||||
{
|
||||
if(unlikely(expired()))
|
||||
throw expired_symbol("The const reference to a symbol in another module is no longer valid");
|
||||
|
||||
return *get<T>();
|
||||
}
|
||||
|
||||
template<class T>
|
||||
const T *
|
||||
ircd::mods::sym_ptr::operator->()
|
||||
const
|
||||
{
|
||||
return get<T>();
|
||||
}
|
||||
|
||||
template<class T>
|
||||
const T *
|
||||
ircd::mods::sym_ptr::get()
|
||||
const
|
||||
{
|
||||
return reinterpret_cast<const T *>(ptr);
|
||||
}
|
||||
|
||||
inline ircd::mods::sym_ptr::operator
|
||||
bool()
|
||||
const
|
||||
{
|
||||
return !bool(*this);
|
||||
}
|
||||
|
||||
inline bool
|
||||
ircd::mods::sym_ptr::operator!()
|
||||
const
|
||||
{
|
||||
return !ptr || expired();
|
||||
}
|
||||
29
include/ircd/mods/symbols.h
Normal file
29
include/ircd/mods/symbols.h
Normal file
|
|
@ -0,0 +1,29 @@
|
|||
// Matrix Construct
|
||||
//
|
||||
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
||||
// Copyright (C) 2016-2018 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.
|
||||
|
||||
#pragma once
|
||||
#define HAVE_IRCD_MODS_SYMBOLS_H
|
||||
|
||||
namespace ircd::mods
|
||||
{
|
||||
// Section & Symbol utilites
|
||||
std::vector<std::string> sections(const std::string &fullpath);
|
||||
|
||||
std::vector<std::string> symbols(const std::string &fullpath, const std::string §ion);
|
||||
std::vector<std::string> symbols(const std::string &fullpath);
|
||||
|
||||
std::unordered_map<std::string, std::string> mangles(const std::vector<std::string> &);
|
||||
std::unordered_map<std::string, std::string> mangles(const std::string &fullpath, const std::string §ion);
|
||||
std::unordered_map<std::string, std::string> mangles(const std::string &fullpath);
|
||||
|
||||
// Find module names where symbol resides
|
||||
bool has_symbol(const std::string &name, const std::string &symbol);
|
||||
std::vector<std::string> find_symbol(const std::string &symbol);
|
||||
}
|
||||
|
|
@ -223,7 +223,7 @@ namespace ircd
|
|||
#include "ctx/ctx.h"
|
||||
#include "db/db.h"
|
||||
#include "js.h"
|
||||
#include "mods.h"
|
||||
#include "mods/mods.h"
|
||||
#include "rfc3986.h"
|
||||
#include "rfc1035.h"
|
||||
#include "net/net.h"
|
||||
|
|
|
|||
947
ircd/mods.cc
947
ircd/mods.cc
File diff suppressed because it is too large
Load diff
|
|
@ -18,8 +18,6 @@ namespace ircd::mods
|
|||
filesystem::path prefix_if_relative(const filesystem::path &path);
|
||||
filesystem::path postfixed(const filesystem::path &path);
|
||||
filesystem::path unpostfixed(const filesystem::path &path);
|
||||
std::string postfixed(const std::string &name);
|
||||
std::string unpostfixed(const std::string &name);
|
||||
|
||||
template<class R, class F> R info(const filesystem::path &, F&& closure);
|
||||
std::vector<std::string> sections(const filesystem::path &path);
|
||||
|
|
@ -36,9 +34,6 @@ namespace ircd::mods
|
|||
bool is_module(const filesystem::path &);
|
||||
bool is_module(const filesystem::path &, std::string &why);
|
||||
bool is_module(const filesystem::path &, std::nothrow_t);
|
||||
bool is_module(const std::string &fullpath, std::string &why);
|
||||
bool is_module(const std::string &fullpath, std::nothrow_t);
|
||||
bool is_module(const std::string &fullpath);
|
||||
}
|
||||
|
||||
/// Internal module representation
|
||||
|
|
|
|||
Loading…
Reference in a new issue