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construct/include/ircd/m/sync/item.h

67 lines
1.9 KiB
C++

// The Construct
//
// Copyright (C) The Construct Developers, Authors & Contributors
// Copyright (C) 2016-2020 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_M_SYNC_ITEM_H
namespace ircd::m::sync
{
struct item;
struct data;
using item_closure = std::function<void (item &)>;
using item_closure_bool = std::function<bool (item &)>;
bool for_each(const string_view &prefix, const item_closure_bool &);
bool for_each(const item_closure_bool &);
}
/// A sync::item provides response content for a specific part of a /sync as
/// specified in Matrix c2s. Instances of this object act similarly to hook
/// handlers but specialized for /sync. Each instance registers itself to
/// handle a path. Two handlers are provided for an item: a polylog handler
/// and a linear handler.
///
struct ircd::m::sync::item
:instance_multimap<string_view, item, std::less<>>
{
using handle = std::function<bool (data &)>;
std::string conf_name[2];
conf::item<bool> enable;
conf::item<bool> stats_debug;
handle _polylog;
handle _linear;
json::strung feature;
json::object opts;
bool phased;
bool prefetch;
public:
string_view name() const;
string_view member_name() const;
size_t children() const;
bool linear(data &);
bool polylog(data &);
item(const string_view &name,
handle polylog = {},
handle linear = {},
const json::members & = {});
item(item &&) = delete;
item(const item &) = delete;
~item() noexcept;
};
template<>
decltype(ircd::m::sync::item::map)
ircd::instance_multimap<ircd::string_view, ircd::m::sync::item, std::less<>>::map;