mirror of
https://github.com/matrix-construct/construct
synced 2024-11-18 16:00:57 +01:00
57 lines
1.9 KiB
C++
57 lines
1.9 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_FEDS_H
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/// Concurrent federation request interface. This fronts several of the m::v1
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/// requests and conducts them to all servers in a room (e.g. m::room::origins)
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/// at the same time. The hybrid control flow of this interface is best suited
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/// to the real-world uses of these operations.
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///
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/// Each call in this interface is synchronous and will block the ircd::ctx
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/// until it returns. The return value is the for_each-protocol result based on your
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/// closure (if the closure ever returns false, the function also returns false).
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///
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/// The closure is invoke asynchronously as results come in. If the closure
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/// returns false, the interface function will return immediately and all
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/// pending requests will go out of scope and may be cancelled as per
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/// ircd::server decides.
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namespace ircd::m::feds
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{
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struct opts;
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struct result;
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using closure = std::function<bool (const result &)>;
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bool head(const opts &, const closure &);
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bool event(const opts &, const closure &);
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bool state(const opts &, const closure &);
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bool backfill(const opts &, const closure &);
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bool version(const opts &, const closure &);
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bool perspective(const opts &, const closure &);
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};
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struct ircd::m::feds::result
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{
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string_view origin;
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std::exception_ptr eptr;
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json::object object;
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json::array array;
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};
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struct ircd::m::feds::opts
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{
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milliseconds timeout {20000L};
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m::room::id room_id;
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m::event::id event_id;
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m::user::id user_id;
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string_view arg[4]; // misc argv
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uint64_t argi[4]; // misc integer argv
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};
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