mirror of
https://github.com/matrix-construct/construct
synced 2024-10-31 10:58:54 +01:00
152 lines
2.8 KiB
C++
152 lines
2.8 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) 2016-2019 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_STATS_H
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namespace ircd::stats
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{
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struct item;
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using value_type = int128_t;
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IRCD_EXCEPTION(ircd::error, error)
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IRCD_EXCEPTION(error, not_found)
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extern std::map<string_view, item *> items;
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const value_type &get(const item &);
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value_type &get(item &);
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value_type &inc(item &, const value_type & = 1);
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value_type &dec(item &, const value_type & = 1);
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value_type &set(item &, const value_type & = 0);
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std::ostream &operator<<(std::ostream &, const item &);
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}
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struct ircd::stats::item
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{
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static const size_t NAME_MAX_LEN;
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json::strung feature_;
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json::object feature;
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string_view name;
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value_type val;
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public:
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explicit operator const value_type &() const;
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explicit operator value_type &();
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bool operator!() const;
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item &operator+=(const value_type &) &;
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item &operator-=(const value_type &) &;
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item &operator=(const value_type &) &;
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item &operator++();
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item &operator--();
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item(const json::members &);
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item(item &&) = delete;
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item(const item &) = delete;
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~item() noexcept;
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};
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inline ircd::stats::item &
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ircd::stats::item::operator--()
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{
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--val;
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return *this;
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}
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inline ircd::stats::item &
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ircd::stats::item::operator++()
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{
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++val;
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return *this;
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}
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inline ircd::stats::item &
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ircd::stats::item::operator=(const value_type &v)
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&
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{
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set(*this, v);
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return *this;
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}
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inline ircd::stats::item &
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ircd::stats::item::operator-=(const value_type &v)
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&
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{
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dec(*this, v);
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return *this;
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}
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inline ircd::stats::item &
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ircd::stats::item::operator+=(const value_type &v)
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&
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{
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inc(*this, v);
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return *this;
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}
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inline bool
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ircd::stats::item::operator!()
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const
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{
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return !get(*this);
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}
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inline ircd::stats::item::operator
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value_type &()
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{
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return get(*this);
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}
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inline ircd::stats::item::operator
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const value_type &()
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const
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{
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return get(*this);
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}
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inline ircd::stats::value_type &
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ircd::stats::set(item &item,
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const value_type &v)
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{
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item.val = v;
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return get(item);
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}
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inline ircd::stats::value_type &
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ircd::stats::dec(item &item,
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const value_type &n)
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{
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item.val -= n;
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return get(item);
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}
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inline ircd::stats::value_type &
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ircd::stats::inc(item &item,
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const value_type &n)
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{
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item.val += n;
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return get(item);
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}
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inline ircd::stats::value_type &
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ircd::stats::get(item &item)
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{
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return item.val;
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}
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inline const ircd::stats::value_type &
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ircd::stats::get(const item &item)
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{
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return item.val;
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}
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