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Code Issues Releases Wiki Activity

ircd:Ⓜ️:room::state: Add prefetch() support to state::history/state::space.

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This commit is contained in:
Jason Volk 2019-09-18 13:30:15 -07:00
parent 6ed0db3274
commit 83cce03f6f
3 changed files with 57 additions and 0 deletions
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3
include/ircd/m/room/state_history.h
View file

@ -36,6 +36,9 @@ struct ircd::m::room::state::history
event::idx get(std::nothrow_t, const string_view &type, const string_view &state_key) const;
event::idx get(const string_view &type, const string_view &state_key) const;
bool prefetch(const string_view &type, const string_view &state_key) const;
bool prefetch(const string_view &type) const;
history(const m::room &, const int64_t &bound);
history(const m::room::id &, const m::event::id &);
history(const m::room &);

4
include/ircd/m/room/state_space.h
View file

@ -39,6 +39,10 @@ struct ircd::m::room::state::space
bool has(const string_view &type, const string_view &state_key) const;
bool has(const string_view &type) const;
bool prefetch(const string_view &type, const string_view &state_key, const int64_t &depth) const;
bool prefetch(const string_view &type, const string_view &state_key) const;
bool prefetch(const string_view &type) const;
space(const m::room &);
};

50
ircd/m_room.cc
View file

@ -2580,6 +2580,21 @@ ircd::m::room::state::history::history(const m::room &room,
{
}
bool
ircd::m::room::state::history::prefetch(const string_view &type)
const
{
return prefetch(type, string_view{});
}
bool
ircd::m::room::state::history::prefetch(const string_view &type,
const string_view &state_key)
const
{
return space.prefetch(type, state_key, bound);
}
ircd::m::event::idx
ircd::m::room::state::history::get(const string_view &type,
const string_view &state_key)
@ -2725,6 +2740,41 @@ ircd::m::room::state::space::space(const m::room &room)
{
}
bool
ircd::m::room::state::space::prefetch(const string_view &type)
const
{
return prefetch(type, string_view{});
}
bool
ircd::m::room::state::space::prefetch(const string_view &type,
const string_view &state_key)
const
{
return prefetch(type, state_key, -1);
}
bool
ircd::m::room::state::space::prefetch(const string_view &type,
const string_view &state_key,
const int64_t &depth)
const
{
const int64_t &_depth
{
type? depth : 0L
};
char buf[dbs::ROOM_STATE_SPACE_KEY_MAX_SIZE];
const string_view &key
{
dbs::room_state_space_key(buf, room.room_id, type, state_key, _depth, 0UL)
};
return db::prefetch(dbs::room_state_space, key);
}
bool
ircd::m::room::state::space::has(const string_view &type)
const