mirror of
https://github.com/matrix-construct/construct
synced 2024-11-17 15:30:52 +01:00
116 lines
2.8 KiB
C++
116 lines
2.8 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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#pragma once
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#define HAVE_IRCD_M_SYNC_H
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namespace ircd
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{
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struct client;
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}
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namespace ircd::m::sync
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{
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struct args;
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struct stats;
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struct data;
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struct item;
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using item_closure = std::function<void (item &)>;
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using item_closure_bool = std::function<bool (item &)>;
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string_view loghead(const data &);
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bool apropos(const data &, const event::idx &);
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bool apropos(const data &, const event::id &);
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bool apropos(const data &, const event &);
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bool for_each(const string_view &prefix, const item_closure_bool &);
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bool for_each(const item_closure_bool &);
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extern log::log log;
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extern ctx::pool pool;
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}
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struct ircd::m::sync::item
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:instance_multimap<std::string, item, std::less<>>
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{
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using handle = std::function<void (data &)>;
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handle _polylog;
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handle _linear;
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public:
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string_view name() const;
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string_view member_name() const;
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void poll(data &, const m::event &);
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void linear(data &);
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void polylog(data &);
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item(std::string name,
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handle polylog = {},
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handle linear = {});
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item(item &&) = delete;
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item(const item &) = delete;
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~item() noexcept;
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};
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struct ircd::m::sync::data
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{
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/// Range to synchronize. Starting index is inclusive, ending index is
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/// exclusive. Generally the starting index is a since token, and ending
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/// index is one beyond the vm::current_sequence and used for next_batch.
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m::events::range range;
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/// Statistics tracking. If null, stats won't be accumulated for the sync.
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sync::stats *stats {nullptr};
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/// The client. This may be null if sync is being called internally.
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ircd::client *client {nullptr};
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// User related
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const m::user user;
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const m::user::room user_room;
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const m::room::state user_state;
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const m::user::rooms user_rooms;
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const std::string filter_buf;
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const m::filter filter;
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/// The json::stack master object
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json::stack out;
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bool committed {false};
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bool commit();
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// apropos contextual
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const m::event *event {nullptr};
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const m::room *room {nullptr};
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string_view membership;
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data(const m::user &user,
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const m::events::range &range,
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const mutable_buffer &,
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json::stack::flush_callback,
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const size_t &flush_hiwat = 64_KiB,
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ircd::client *const &client = nullptr,
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sync::stats *const &stats = nullptr,
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const string_view &filter_id = {});
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data(data &&) = delete;
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data(const data &) = delete;
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~data() noexcept;
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};
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struct ircd::m::sync::stats
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{
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ircd::timer timer;
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size_t flush_bytes {0};
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size_t flush_count {0};
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};
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