mirror of
https://github.com/matrix-construct/construct
synced 2024-08-25 11:02:08 +02:00
310 lines
5.2 KiB
C++
310 lines
5.2 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) 2016-2018 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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namespace ircd::m::sync
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{
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static bool should_ignore(const data &);
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static bool _rooms_polylog_room(data &, const m::room &);
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static bool _rooms_polylog(data &, const string_view &membership, int64_t &phase);
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static bool rooms_polylog(data &);
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static bool _rooms_linear(data &, const string_view &membership);
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static bool rooms_linear(data &);
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extern item rooms;
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}
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ircd::mapi::header
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IRCD_MODULE
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{
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"Client Sync :Rooms"
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};
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decltype(ircd::m::sync::rooms)
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ircd::m::sync::rooms
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{
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"rooms", rooms_polylog, rooms_linear,
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{
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{ "phased", true }
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}
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};
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bool
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ircd::m::sync::rooms_linear(data &data)
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{
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assert(data.event);
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const m::room room
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{
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json::get<"room_id"_>(*data.event)?
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m::room::id{json::get<"room_id"_>(*data.event)}:
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m::room::id{}
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};
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const scope_restore their_room
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{
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data.room, &room
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};
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char membuf[room::MEMBERSHIP_MAX_SIZE];
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const string_view &membership
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{
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data.room?
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m::membership(membuf, room, data.user):
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string_view{}
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};
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const scope_restore their_membership
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{
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data.membership, membership
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};
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if(should_ignore(data))
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return false;
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const auto room_head
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{
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data.event_idx && room != data.user_room?
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m::head_idx(std::nothrow, room):
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0UL
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};
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const scope_restore their_head
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{
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data.room_head, room_head
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};
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const auto room_depth
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{
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data.event_idx && room != data.user_room?
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m::depth(std::nothrow, room):
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-1L
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};
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const scope_restore their_depth
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{
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data.room_depth, room_depth
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};
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bool ret{false};
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m::sync::for_each("rooms", [&data, &ret]
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(item &item)
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{
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json::stack::checkpoint checkpoint
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{
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*data.out
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};
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if(item.linear(data))
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ret = true;
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else
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checkpoint.rollback();
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return true;
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});
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return ret;
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}
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bool
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ircd::m::sync::rooms_polylog(data &data)
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{
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bool ret{false};
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int64_t phase(0);
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ret |= _rooms_polylog(data, "join", phase);
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if(data.phased && ret)
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return ret;
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ret |= _rooms_polylog(data, "invite", phase);
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if(data.phased && ret)
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return ret;
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ret |= _rooms_polylog(data, "leave", phase);
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if(data.phased && ret)
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return ret;
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ret |= _rooms_polylog(data, "ban", phase);
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if(data.phased && ret)
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return ret;
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return ret;
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}
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bool
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ircd::m::sync::_rooms_polylog(data &data,
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const string_view &membership,
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int64_t &phase)
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{
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const scope_restore theirs
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{
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data.membership, membership
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};
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json::stack::object object
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{
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*data.out, membership
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};
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bool ret{false};
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const user::rooms::closure_bool closure{[&data, &ret, &phase]
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(const m::room &room, const string_view &membership_)
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{
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if(data.phased)
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{
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if(phase < int64_t(data.range.first) && ret)
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return false;
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if(int64_t(data.range.first) < 0L)
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--phase;
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if(phase > int64_t(data.range.first))
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return true;
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}
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#if defined(RB_DEBUG)
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sync::stats stats
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{
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data.stats && rooms.stats_debug?
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*data.stats:
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sync::stats{}
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};
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if(data.stats)
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stats.timer = timer{};
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#endif
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ret |= _rooms_polylog_room(data, room);
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#if defined(RB_DEBUG)
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thread_local char tmbuf[32];
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if(data.stats && rooms.stats_debug) log::debug
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{
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log, "polylog %s %s %s in %s",
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loghead(data),
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membership_,
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string_view{room.room_id},
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ircd::pretty(tmbuf, stats.timer.at<milliseconds>(), true)
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};
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#endif
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return true;
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}};
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const bool done
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{
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data.user_rooms.for_each(membership, closure)
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};
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return ret;
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}
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bool
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ircd::m::sync::_rooms_polylog_room(data &data,
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const m::room &room)
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{
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const scope_restore theirs
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{
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data.room, &room
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};
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if(should_ignore(data))
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return false;
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json::stack::checkpoint checkpoint
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{
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*data.out
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};
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json::stack::object object
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{
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*data.out, room.room_id
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};
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const auto top
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{
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m::top(std::nothrow, room)
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};
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const scope_restore their_head
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{
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data.room_head, std::get<2>(top)
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};
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const scope_restore their_depth
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{
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data.room_depth, std::get<1>(top)
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};
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bool ret{false};
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m::sync::for_each("rooms", [&data, &ret]
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(item &item)
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{
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json::stack::checkpoint checkpoint
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{
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*data.out
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};
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json::stack::object object
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{
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*data.out, item.member_name()
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};
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if(item.polylog(data))
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{
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ret = true;
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data.out->invalidate_checkpoints();
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}
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else checkpoint.decommit();
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return true;
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});
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if(!ret)
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checkpoint.decommit();
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return ret;
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}
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bool
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ircd::m::sync::should_ignore(const data &data)
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{
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if(data.membership != "invite")
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return false;
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if(!m::user::ignores::enforce("invites"))
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return false;
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assert(data.room);
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const m::room::state state
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{
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*data.room
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};
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const m::event::idx &event_idx
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{
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state.get(std::nothrow, "m.room.member", data.user.user_id)
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};
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const m::user::ignores ignores
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{
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data.user.user_id
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};
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bool ret{false};
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m::get(std::nothrow, event_idx, "sender", [&ignores, &ret]
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(const m::user::id &sender)
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{
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ret = ignores.has(sender);
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});
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return ret;
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}
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