mirror of
https://github.com/matrix-construct/construct
synced 2024-09-02 23:05:18 +02:00
243 lines
4 KiB
C++
243 lines
4 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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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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namespace ircd::m::sync
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{
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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);
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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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decltype(ircd::m::sync::rooms)
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ircd::m::sync::rooms
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{
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"rooms",
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rooms_polylog,
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rooms_linear
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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 auto &event{*data.event};
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if(!json::get<"room_id"_>(event))
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return false;
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const m::room room
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{
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json::get<"room_id"_>(event)
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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[32];
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const string_view &membership
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{
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data.room->membership(membuf, data.user)
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};
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if(!membership)
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return false;
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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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const event::idx room_head
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{
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head_idx(std::nothrow, *data.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, room_head
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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 membership_
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{
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*data.out, membership
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};
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json::stack::object room_
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{
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*data.out, data.room->room_id
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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.linear(data))
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ret = true;
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else
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checkpoint.rollback();
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return !ret;
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});
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if(!ret)
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checkpoint.rollback();
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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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ret |= _rooms_polylog(data, "invite");
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ret |= _rooms_polylog(data, "join");
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ret |= _rooms_polylog(data, "leave");
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ret |= _rooms_polylog(data, "ban");
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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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{
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const scope_restore<decltype(data.membership)> theirs
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{
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data.membership, membership
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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, membership
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};
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bool ret{false};
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data.user_rooms.for_each(membership, [&data, &ret]
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(const m::room &room, const string_view &membership_)
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{
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#if defined(RB_DEBUG) && 0
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sync::stats stats
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{
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data.stats?
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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) && 0
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thread_local char tmbuf[32];
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if(data.stats && bool(stats_debug)) log::debug
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{
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log, "polylog %s %s in %s",
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loghead(data),
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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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});
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if(!ret)
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checkpoint.rollback();
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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<decltype(data.room)> theirs
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{
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data.room, &room
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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, room.room_id
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};
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const event::idx room_head
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{
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head_idx(std::nothrow, room)
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};
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const scope_restore<decltype(data.room_head)> their_head
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{
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data.room_head, room_head
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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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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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if(!ret)
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checkpoint.rollback();
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return ret;
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}
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