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ircd::stats: Additional arithmetic/access operators on item.

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This commit is contained in:
Jason Volk 2019-05-05 19:01:29 -07:00
parent 688340a8a2
commit 1bf17da6d1
2 changed files with 53 additions and 0 deletions
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42
include/ircd/stats.h
View file

@ -27,6 +27,8 @@ namespace ircd::stats
value_type &inc(item &, const value_type & = 1);
value_type &dec(item &, const value_type & = 1);
value_type &set(item &, const value_type & = 0);
std::ostream &operator<<(std::ostream &, const item &);
}
struct ircd::stats::item
@ -39,9 +41,15 @@ struct ircd::stats::item
value_type val;
public:
explicit operator const value_type &() const;
explicit operator value_type &();
bool operator!() const;
item &operator+=(const value_type &) &;
item &operator-=(const value_type &) &;
item &operator=(const value_type &) &;
item &operator++();
item &operator--();
item(const json::members &);
item(item &&) = delete;
@ -49,6 +57,20 @@ struct ircd::stats::item
~item() noexcept;
};
inline ircd::stats::item &
ircd::stats::item::operator--()
{
--val;
return *this;
}
inline ircd::stats::item &
ircd::stats::item::operator++()
{
++val;
return *this;
}
inline ircd::stats::item &
ircd::stats::item::operator=(const value_type &v)
&
@ -73,6 +95,26 @@ ircd::stats::item::operator+=(const value_type &v)
return *this;
}
inline bool
ircd::stats::item::operator!()
const
{
return !val;
}
inline ircd::stats::item::operator
value_type &()
{
return val;
}
inline ircd::stats::item::operator
const value_type &()
const
{
return val;
}
inline ircd::stats::value_type &
ircd::stats::set(item &item,
const value_type &v)

11
ircd/stats.cc
View file

@ -12,6 +12,13 @@ decltype(ircd::stats::items)
ircd::stats::items
{};
std::ostream &
ircd::stats::operator<<(std::ostream &s, const item &item)
{
s << static_cast<long long>(item.val);
return s;
}
//
// item
//
@ -22,6 +29,10 @@ ircd::stats::item::NAME_MAX_LEN
127
};
//
// item::item
//
ircd::stats::item::item(const json::members &opts)
:feature_
{