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modules/client/sync: Optimize the room state iteration strategy.

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This commit is contained in:
Jason Volk 2018-12-19 14:57:44 -08:00
parent 2d90469f6b
commit 36c1b359ab
1 changed files with 7 additions and 7 deletions
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14
modules/client/sync.cc
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@ -1004,24 +1004,24 @@ ircd::m::sync::polylog::room_state(shortpoll &sp,
m::room::state state
{
room, &fopts
room
};
if(bool(prefetch_state))
state.prefetch(sp.since, sp.current);
state.for_each([&]
(const m::event &event)
state.for_each([&sp, &array]
(const m::event::idx &event_idx)
{
if(at<"depth"_>(event) >= int64_t(sp.state_at))
if(event_idx < sp.since || event_idx >= sp.current)
return;
const auto &event_idx
const event::fetch event
{
index(event, std::nothrow)
event_idx, std::nothrow, &fopts
};
if(event_idx < sp.since || event_idx >= sp.current)
if(!event.valid || at<"depth"_>(event) >= int64_t(sp.state_at))
return;
array.append(event);