mirror of
https://github.com/matrix-construct/construct
synced 2024-10-30 10:28:55 +01:00
1080 lines
23 KiB
C++
1080 lines
23 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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#include "sync.int.h"
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mapi::header
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IRCD_MODULE
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{
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"Client 6.2.1 :Sync"
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};
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//
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// sync resource
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//
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resource
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sync_resource
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{
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"/_matrix/client/r0/sync",
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{
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sync_description
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}
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};
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const string_view
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sync_description
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{R"(
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6.2.1
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Synchronise the client's state with the latest state on the server. Clients
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use this API when they first log in to get an initial snapshot of the state
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on the server, and then continue to call this API to get incremental deltas
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to the state, and to receive new messages.
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)"};
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//
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// GET sync
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//
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resource::method
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get_sync
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{
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sync_resource, "GET", sync,
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{
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get_sync.REQUIRES_AUTH,
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-1s,
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}
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};
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resource::response
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sync(client &client,
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const resource::request &request)
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{
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const syncargs args
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{
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request
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};
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return since_sync(client, request, args);
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}
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conf::item<milliseconds>
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sync_timeout_max
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{
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{ "name", "ircd.client.sync.timeout.max" },
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{ "default", 15 * 1000L },
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};
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conf::item<milliseconds>
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sync_timeout_min
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{
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{ "name", "ircd.client.sync.timeout.min" },
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{ "default", 5 * 1000L },
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};
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conf::item<milliseconds>
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sync_timeout_default
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{
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{ "name", "ircd.client.sync.timeout.default" },
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{ "default", 10 * 1000L },
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};
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syncargs::syncargs(const resource::request &request)
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:filter_id
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{
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// 6.2.1 The ID of a filter created using the filter API or a filter JSON object
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// encoded as a string. The server will detect whether it is an ID or a JSON object
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// by whether the first character is a "{" open brace. Passing the JSON inline is best
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// suited to one off requests. Creating a filter using the filter API is recommended
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// for clients that reuse the same filter multiple times, for example in long poll requests.
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request.query["filter"]
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}
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,since
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{
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// 6.2.1 A point in time to continue a sync from.
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request.query.get<uint64_t>("since", 0)
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}
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,timesout{[&request]
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{
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// 6.2.1 The maximum time to poll in milliseconds before returning this request.
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auto ret(request.query.get("timeout", milliseconds(sync_timeout_default)));
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ret = std::min(ret, milliseconds(sync_timeout_max));
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ret = std::max(ret, milliseconds(sync_timeout_min));
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return now<steady_point>() + ret;
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}()}
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,full_state
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{
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// 6.2.1 Controls whether to include the full state for all rooms the user is a member of.
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// If this is set to true, then all state events will be returned, even if since is non-empty.
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// The timeline will still be limited by the since parameter. In this case, the timeout
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// parameter will be ignored and the query will return immediately, possibly with an
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// empty timeline. If false, and since is non-empty, only state which has changed since
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// the point indicated by since will be returned. By default, this is false.
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request.query.get("full_state", false)
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}
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,set_presence
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{
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// 6.2.1 Controls whether the client is automatically marked as online by polling this API.
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// If this parameter is omitted then the client is automatically marked as online when it
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// uses this API. Otherwise if the parameter is set to "offline" then the client is not
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// marked as being online when it uses this API. One of: ["offline"]
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request.query.get("set_presence", true)
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}
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{
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}
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resource::response
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since_sync(client &client,
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const resource::request &request,
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const syncargs &args)
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{
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if(!shortpoll_sync(client, request, args))
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longpoll_sync(client, request, args);
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return {};
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}
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bool
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shortpoll_sync(client &client,
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const resource::request &request,
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const syncargs &args)
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try
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{
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shortpoll sp
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{
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client, request, args
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};
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if(sp.since > sp.current)
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throw m::NOT_FOUND
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{
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"Since parameter is in the future..."
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};
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json::stack::object top
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{
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sp.out
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};
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static const auto max_linear_sync
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{
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8 //TODO: conf
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};
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return
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sp.delta == 0?
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false:
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sp.delta > max_linear_sync?
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polylog_sync(client, request, sp, top):
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linear_sync(client, request, sp, top);
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}
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catch(const bad_lex_cast &e)
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{
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throw m::BAD_REQUEST
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{
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"Since parameter invalid :%s", e.what()
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};
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}
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bool
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linear_sync(client &client,
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const resource::request &request,
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shortpoll &sp,
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json::stack::object &object)
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{
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uint64_t since
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{
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sp.since
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};
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std::map<std::string, std::vector<std::string>, std::less<>> r;
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bool limited{false};
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m::events::for_each(since, [&]
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(const uint64_t &sequence, const m::event &event)
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{
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if(!r.empty() && (since - sp.since > 128))
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{
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limited = true;
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return false;
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}
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since = sequence;
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if(!json::get<"room_id"_>(event))
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return true;
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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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if(!room.membership(request.user_id))
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return true;
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auto it
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{
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r.lower_bound(room.room_id)
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};
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if(it == end(r) || it->first != room.room_id)
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it = r.emplace_hint(it, std::string{room.room_id}, std::vector<std::string>{});
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it->second.emplace_back(json::strung{event});
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return true;
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});
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if(r.empty())
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return false;
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std::vector<json::member> joins;
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for(auto &p : r)
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{
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const auto &room_id{p.first};
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auto &vec{p.second};
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std::vector<std::string> timeline;
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std::vector<std::string> state;
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std::vector<std::string> ephemeral;
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for(std::string &event : vec)
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if(json::object{event}.has("state_key"))
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state.emplace_back(std::move(event));
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else if(!json::object{event}.has("prev_events"))
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ephemeral.emplace_back(std::move(event));
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else
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timeline.emplace_back(std::move(event));
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const json::strung timeline_serial{timeline.data(), timeline.data() + timeline.size()};
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const json::strung state_serial{state.data(), state.data() + state.size()};
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const json::strung ephemeral_serial{ephemeral.data(), ephemeral.data() + ephemeral.size()};
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const string_view prev_batch
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{
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!timeline.empty()?
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unquote(json::object{timeline.front()}.at("event_id")):
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string_view{}
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};
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const json::members body
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{
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{ "ephemeral",
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{
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{ "events", ephemeral_serial },
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}},
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{ "state",
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{
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{ "events", state_serial }
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}},
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{ "timeline",
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{
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{ "events", timeline_serial },
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{ "prev_batch", prev_batch },
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{ "limited", limited },
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}},
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};
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joins.emplace_back(room_id, body);
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};
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const json::value join
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{
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joins.data(), joins.size()
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};
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const json::members rooms
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{
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{ "join", join },
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{ "leave", json::object{} },
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{ "invite", json::object{} },
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};
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resource::response
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{
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client, json::members
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{
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{ "next_batch", int64_t(since) },
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{ "rooms", rooms },
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{ "presence", json::object{} },
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}
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};
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return true;
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}
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static bool
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synchronize(client &client,
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const resource::request &request,
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const syncargs &args,
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const m::event &event);
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void
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longpoll_sync(client &client,
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const resource::request &request,
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const syncargs &args)
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try
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{
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std::unique_lock<decltype(m::vm::accept)> lock
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{
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m::vm::accept
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};
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while(1)
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{
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auto &accepted
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{
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m::vm::accept.wait_until(lock, args.timesout)
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};
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const unlock_guard<decltype(lock)> ul(lock);
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if(synchronize(client, request, args, accepted))
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return;
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}
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}
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catch(const ctx::timeout &e)
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{
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const ctx::exception_handler eh;
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const int64_t &since
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{
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int64_t(m::vm::current_sequence)
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};
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resource::response
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{
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client, json::members
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{
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{ "next_batch", int64_t(since) },
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{ "rooms", json::object{} },
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{ "presence", json::object{} },
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}
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};
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}
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static bool
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synchronize(client &client,
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const resource::request &request,
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const syncargs &args,
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const m::event &event,
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const m::room::id &room_id);
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bool
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synchronize(client &client,
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const resource::request &request,
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const syncargs &args,
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const m::event &event)
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{
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const auto &room_id
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{
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json::get<"room_id"_>(event)
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};
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if(room_id)
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return synchronize(client, request, args, event, room_id);
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return false;
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}
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resource::response
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update_sync(client &client,
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const resource::request &request,
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const syncargs &args,
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const m::event &event,
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const m::room &room);
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bool
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synchronize(client &client,
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const resource::request &request,
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const syncargs &args,
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const m::event &event,
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const m::room::id &room_id)
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{
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const m::room room
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{
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room_id
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};
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const m::user::id &user_id
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{
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request.user_id
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};
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if(!room.membership(user_id, "join"))
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return false;
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update_sync(client, request, args, event, room);
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return true;
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}
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std::string
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update_sync_room(client &client,
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const m::room &room,
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const uint64_t &since,
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const m::event &event)
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{
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std::vector<std::string> state;
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if(defined(json::get<"event_id"_>(event)) && defined(json::get<"state_key"_>(event)))
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state.emplace_back(json::strung(event));
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const json::strung state_serial
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{
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state.data(), state.data() + state.size()
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};
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std::vector<std::string> timeline;
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if(defined(json::get<"event_id"_>(event)) && !defined(json::get<"state_key"_>(event)))
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timeline.emplace_back(json::strung(event));
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const json::strung timeline_serial
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{
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timeline.data(), timeline.data() + timeline.size()
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};
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std::vector<std::string> ephemeral;
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if(json::get<"type"_>(event) == "m.typing") //TODO: X
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ephemeral.emplace_back(json::strung{event});
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if(json::get<"type"_>(event) == "m.receipt") //TODO: X
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ephemeral.emplace_back(json::strung(event));
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const json::strung ephemeral_serial
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{
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ephemeral.data(), ephemeral.data() + ephemeral.size()
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};
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const auto &prev_batch
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{
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!timeline.empty()?
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unquote(json::object{timeline.front()}.get("event_id")):
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string_view{}
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};
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//TODO: XXX
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const bool limited
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{
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false
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};
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const int64_t notes
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{
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0
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};
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const json::members body
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{
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{ "account_data", json::members{} },
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{ "unread_notifications",
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{
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{ "highlight_count", int64_t(0) },
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{ "notification_count", notes },
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}},
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{ "ephemeral",
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{
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{ "events", ephemeral_serial },
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}},
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{ "state",
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{
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{ "events", state_serial }
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}},
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{ "timeline",
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{
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{ "events", timeline_serial },
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{ "prev_batch", prev_batch },
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{ "limited", limited },
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}},
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};
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return json::strung(body);
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}
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std::string
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update_sync_rooms(client &client,
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const resource::request &request,
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const m::user::id &user_id,
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const m::room &room,
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const uint64_t &since,
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const m::event &event)
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{
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std::vector<std::string> r[3];
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std::vector<json::member> m[3];
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r[0].emplace_back(update_sync_room(client, room, since, event));
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m[0].emplace_back(room.room_id, r[0].back());
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const std::string join{json::strung(m[0].data(), m[0].data() + m[0].size())};
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const std::string leave{json::strung(m[1].data(), m[1].data() + m[1].size())};
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const std::string invite{json::strung(m[2].data(), m[2].data() + m[2].size())};
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return json::strung(json::members
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{
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{ "join", join },
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{ "leave", leave },
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{ "invite", invite },
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});
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}
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resource::response
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update_sync(client &client,
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const resource::request &request,
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const syncargs &args,
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const m::event &event,
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const m::room &room)
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{
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const auto rooms
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{
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update_sync_rooms(client, request, request.user_id, room, args.since, event)
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};
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const m::user::room ur
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{
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m::user::id{request.user_id}
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};
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std::vector<json::value> presents;
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ur.get(std::nothrow, "m.presence", [&]
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(const m::event &event)
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{
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const auto &content
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{
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at<"content"_>(event)
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};
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presents.emplace_back(event);
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});
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const json::members presence
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{
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{ "events", json::value { presents.data(), presents.size() } },
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};
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const auto &next_batch
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{
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int64_t(m::vm::current_sequence)
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};
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return resource::response
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{
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client, json::members
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{
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{ "next_batch", next_batch },
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{ "rooms", rooms },
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{ "presence", presence },
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}
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};
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}
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static void
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polylog_sync_rooms(shortpoll &sp,
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json::stack::object &object);
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static void
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polylog_sync_presence(shortpoll &sp,
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json::stack::object &object);
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static void
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polylog_sync_account_data(shortpoll &sp,
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json::stack::object &object);
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bool
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polylog_sync(client &client,
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const resource::request &request,
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shortpoll &sp,
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json::stack::object &object)
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{
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const unwind::exceptional uw{[&sp]
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{
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log::error
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{
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"polylog sync ERROR %lu to %lu (vm @ %zu)"
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,sp.since
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,sp.current
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,m::vm::current_sequence
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};
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}};
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{
|
|
json::stack::member member{object, "rooms"};
|
|
json::stack::object object{member};
|
|
polylog_sync_rooms(sp, object);
|
|
}
|
|
|
|
{
|
|
json::stack::member member{object, "presence"};
|
|
json::stack::object object{member};
|
|
polylog_sync_presence(sp, object);
|
|
}
|
|
|
|
{
|
|
json::stack::member member{object, "account_data"};
|
|
json::stack::object object{member};
|
|
polylog_sync_account_data(sp, object);
|
|
}
|
|
|
|
{
|
|
json::stack::member member
|
|
{
|
|
object, "next_batch", json::value{int64_t(sp.current)}
|
|
};
|
|
}
|
|
|
|
return sp.committed;
|
|
}
|
|
|
|
void
|
|
polylog_sync_presence(shortpoll &sp,
|
|
json::stack::object &out)
|
|
{
|
|
json::stack::member member{out, "events"};
|
|
json::stack::array array{member};
|
|
const m::user::mitsein mitsein
|
|
{
|
|
sp.user
|
|
};
|
|
|
|
mitsein.for_each("join", [&sp, &array]
|
|
(const m::user &user)
|
|
{
|
|
const m::user::room user_room{user};
|
|
if(head_idx(user_room) <= sp.since)
|
|
return;
|
|
|
|
//TODO: can't check event_idx cuz only closed presence content
|
|
m::presence::get(std::nothrow, user, [&sp, &array]
|
|
(const json::object &event)
|
|
{
|
|
json::stack::object object{array};
|
|
|
|
// sender
|
|
{
|
|
json::stack::member member
|
|
{
|
|
object, "sender", unquote(event.get("user_id"))
|
|
};
|
|
}
|
|
|
|
// type
|
|
{
|
|
json::stack::member member
|
|
{
|
|
object, "type", json::value{"m.presence"}
|
|
};
|
|
}
|
|
|
|
// content
|
|
{
|
|
json::stack::member member
|
|
{
|
|
object, "content", event
|
|
};
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
void
|
|
polylog_sync_account_data(shortpoll &sp,
|
|
json::stack::object &out)
|
|
{
|
|
json::stack::member member{out, "events"};
|
|
json::stack::array array{member};
|
|
const m::room::state state
|
|
{
|
|
sp.user_room
|
|
};
|
|
|
|
state.for_each("ircd.account_data", [&sp, &array]
|
|
(const m::event &event)
|
|
{
|
|
const auto &event_idx
|
|
{
|
|
index(event)
|
|
};
|
|
|
|
if(event_idx < sp.since || event_idx >= sp.current)
|
|
return;
|
|
|
|
json::stack::object object{array};
|
|
|
|
// type
|
|
{
|
|
json::stack::member member
|
|
{
|
|
object, "type", at<"state_key"_>(event)
|
|
};
|
|
}
|
|
|
|
// content
|
|
{
|
|
json::stack::member member
|
|
{
|
|
object, "content", at<"content"_>(event)
|
|
};
|
|
}
|
|
});
|
|
}
|
|
|
|
static void
|
|
polylog_sync_rooms__membership(shortpoll &sp,
|
|
json::stack::object &object,
|
|
const string_view &membership);
|
|
|
|
void
|
|
polylog_sync_rooms(shortpoll &sp,
|
|
json::stack::object &object)
|
|
{
|
|
{
|
|
json::stack::member member{object, "join"};
|
|
json::stack::object object{member};
|
|
polylog_sync_rooms__membership(sp, object, "join");
|
|
}
|
|
|
|
{
|
|
json::stack::member member{object, "leave"};
|
|
json::stack::object object{member};
|
|
polylog_sync_rooms__membership(sp, object, "leave");
|
|
}
|
|
|
|
{
|
|
json::stack::member member{object, "invite"};
|
|
json::stack::object object{member};
|
|
polylog_sync_rooms__membership(sp, object, "invite");
|
|
}
|
|
}
|
|
|
|
static void
|
|
polylog_sync_room(shortpoll &sp,
|
|
json::stack::object &object,
|
|
const m::room &room,
|
|
const string_view &membership);
|
|
|
|
void
|
|
polylog_sync_rooms__membership(shortpoll &sp,
|
|
json::stack::object &object,
|
|
const string_view &membership)
|
|
{
|
|
sp.rooms.for_each(membership, [&]
|
|
(const m::room &room, const string_view &)
|
|
{
|
|
if(head_idx(room) <= sp.since)
|
|
return;
|
|
|
|
const m::room::id &room_id{room.room_id};
|
|
json::stack::member member{object, room_id};
|
|
json::stack::object object{member};
|
|
polylog_sync_room(sp, object, room, membership);
|
|
});
|
|
}
|
|
|
|
static void
|
|
polylog_sync_room_state(shortpoll &sp,
|
|
json::stack::object &out,
|
|
const m::room &room);
|
|
|
|
static void
|
|
polylog_sync_room_timeline(shortpoll &sp,
|
|
json::stack::object &out,
|
|
const m::room &room);
|
|
|
|
static void
|
|
polylog_sync_room_ephemeral(shortpoll &sp,
|
|
json::stack::object &out,
|
|
const m::room &room);
|
|
|
|
static void
|
|
polylog_sync_room_account_data(shortpoll &sp,
|
|
json::stack::object &out,
|
|
const m::room &room);
|
|
|
|
static void
|
|
polylog_sync_room_unread_notifications(shortpoll &sp,
|
|
json::stack::object &out,
|
|
const m::room &room);
|
|
|
|
void
|
|
polylog_sync_room(shortpoll &sp,
|
|
json::stack::object &out,
|
|
const m::room &room,
|
|
const string_view &membership)
|
|
{
|
|
// timeline
|
|
{
|
|
json::stack::member member{out, "timeline"};
|
|
json::stack::object object{member};
|
|
polylog_sync_room_timeline(sp, object, room);
|
|
}
|
|
|
|
// state
|
|
{
|
|
json::stack::member member
|
|
{
|
|
out, membership != "invite"?
|
|
"state":
|
|
"invite_state"
|
|
};
|
|
|
|
json::stack::object object{member};
|
|
polylog_sync_room_state(sp, object, room);
|
|
}
|
|
|
|
// ephemeral
|
|
{
|
|
json::stack::member member{out, "ephemeral"};
|
|
json::stack::object object{member};
|
|
polylog_sync_room_ephemeral(sp, object, room);
|
|
}
|
|
|
|
// account_data
|
|
{
|
|
json::stack::member member{out, "account_data"};
|
|
json::stack::object object{member};
|
|
polylog_sync_room_ephemeral(sp, object, room);
|
|
}
|
|
|
|
// unread_notifications
|
|
{
|
|
json::stack::member member{out, "unread_notifications"};
|
|
json::stack::object object{member};
|
|
polylog_sync_room_unread_notifications(sp, object, room);
|
|
}
|
|
}
|
|
|
|
void
|
|
polylog_sync_room_state(shortpoll &sp,
|
|
json::stack::object &out,
|
|
const m::room &room)
|
|
{
|
|
json::stack::member member
|
|
{
|
|
out, "events"
|
|
};
|
|
|
|
json::stack::array array
|
|
{
|
|
member
|
|
};
|
|
|
|
const m::room::state state
|
|
{
|
|
room
|
|
};
|
|
|
|
state.for_each([&](const m::event &event)
|
|
{
|
|
if(at<"depth"_>(event) >= int64_t(sp.state_at))
|
|
return;
|
|
|
|
const auto &event_idx
|
|
{
|
|
index(event)
|
|
};
|
|
|
|
if(event_idx < sp.since || event_idx >= sp.current)
|
|
return;
|
|
|
|
array.append(event);
|
|
sp.committed = true;
|
|
});
|
|
}
|
|
|
|
static m::event::id::buf
|
|
polylog_sync_room_timeline_events(shortpoll &sp,
|
|
json::stack::array &out,
|
|
const m::room &room,
|
|
bool &limited);
|
|
|
|
void
|
|
polylog_sync_room_timeline(shortpoll &sp,
|
|
json::stack::object &out,
|
|
const m::room &room)
|
|
{
|
|
// events
|
|
bool limited{false};
|
|
m::event::id::buf prev;
|
|
{
|
|
json::stack::member member{out, "events"};
|
|
json::stack::array array{member};
|
|
prev = polylog_sync_room_timeline_events(sp, array, room, limited);
|
|
}
|
|
|
|
// prev_batch
|
|
{
|
|
json::stack::member member
|
|
{
|
|
out, "prev_batch", string_view{prev}
|
|
};
|
|
}
|
|
|
|
// limited
|
|
{
|
|
json::stack::member member
|
|
{
|
|
out, "limited", json::value{limited}
|
|
};
|
|
}
|
|
}
|
|
|
|
m::event::id::buf
|
|
polylog_sync_room_timeline_events(shortpoll &sp,
|
|
json::stack::array &out,
|
|
const m::room &room,
|
|
bool &limited)
|
|
{
|
|
// messages seeks to the newest event, but the client wants the oldest
|
|
// event first so we seek down first and then iterate back up. Due to
|
|
// an issue with rocksdb's prefix-iteration this iterator becomes
|
|
// toxic as soon as it becomes invalid. As a result we have to copy the
|
|
// event_id on the way down in case of renewing the iterator for the
|
|
// way back. This is not a big deal but rocksdb should fix their shit.
|
|
ssize_t i(0);
|
|
m::event::id::buf event_id;
|
|
m::room::messages it{room};
|
|
for(; it && i < 10; --it, ++i)
|
|
{
|
|
event_id = it.event_id();
|
|
if(it.event_idx() < sp.since)
|
|
break;
|
|
|
|
if(it.event_idx() >= sp.current)
|
|
break;
|
|
}
|
|
|
|
limited = i >= 10;
|
|
sp.committed |= i > 0;
|
|
|
|
if(i > 0 && !it)
|
|
it.seek(event_id);
|
|
|
|
if(i > 0 && it)
|
|
{
|
|
const m::event &event{*it};
|
|
sp.state_at = at<"depth"_>(event);
|
|
}
|
|
|
|
if(i > 0)
|
|
for(; it && i > -1; ++it, --i)
|
|
out.append(*it);
|
|
|
|
return event_id;
|
|
}
|
|
|
|
static void
|
|
polylog_sync_room_ephemeral_events(shortpoll &sp,
|
|
json::stack::array &out,
|
|
const m::room &room);
|
|
|
|
void
|
|
polylog_sync_room_ephemeral(shortpoll &sp,
|
|
json::stack::object &out,
|
|
const m::room &room)
|
|
{
|
|
{
|
|
json::stack::member member{out, "events"};
|
|
json::stack::array array{member};
|
|
polylog_sync_room_ephemeral_events(sp, array, room);
|
|
}
|
|
}
|
|
|
|
void
|
|
polylog_sync_room_ephemeral_events(shortpoll &sp,
|
|
json::stack::array &out,
|
|
const m::room &room)
|
|
{
|
|
const m::room::members members{room};
|
|
members.for_each("join", m::room::members::closure{[&]
|
|
(const m::user &user)
|
|
{
|
|
const m::user::room user_room{user};
|
|
if(head_idx(user_room) <= sp.since)
|
|
return;
|
|
|
|
user_room.get(std::nothrow, "ircd.read", room.room_id, [&]
|
|
(const m::event &event)
|
|
{
|
|
const auto &event_idx
|
|
{
|
|
index(event)
|
|
};
|
|
|
|
if(event_idx < sp.since || event_idx >= sp.current)
|
|
return;
|
|
|
|
sp.committed = true;
|
|
json::stack::object object{out};
|
|
|
|
// type
|
|
{
|
|
json::stack::member member
|
|
{
|
|
object, "type", "m.receipt"
|
|
};
|
|
}
|
|
|
|
// content
|
|
{
|
|
const json::object data
|
|
{
|
|
at<"content"_>(event)
|
|
};
|
|
|
|
thread_local char buf[1024];
|
|
const json::members reformat
|
|
{
|
|
{ unquote(data.at("event_id")),
|
|
{
|
|
{ "m.read",
|
|
{
|
|
{ at<"sender"_>(event),
|
|
{
|
|
{ "ts", data.at("ts") }
|
|
}}
|
|
}}
|
|
}}
|
|
};
|
|
|
|
json::stack::member member
|
|
{
|
|
object, "content", json::stringify(mutable_buffer{buf}, reformat)
|
|
};
|
|
}
|
|
});
|
|
}});
|
|
}
|
|
|
|
void
|
|
polylog_sync_room_account_data(shortpoll &sp,
|
|
json::stack::object &out,
|
|
const m::room &room)
|
|
{
|
|
|
|
}
|
|
|
|
|
|
void
|
|
polylog_sync_room_unread_notifications(shortpoll &sp,
|
|
json::stack::object &out,
|
|
const m::room &room)
|
|
{
|
|
// highlight_count
|
|
{
|
|
json::stack::member member
|
|
{
|
|
out, "highlight_count", json::value{0L}
|
|
};
|
|
}
|
|
|
|
// notification_count
|
|
{
|
|
json::stack::member member
|
|
{
|
|
out, "notification_count", json::value{0L}
|
|
};
|
|
}
|
|
}
|