mirror of
https://github.com/matrix-construct/construct
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83 lines
3.9 KiB
C++
83 lines
3.9 KiB
C++
// The Construct
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//
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// Copyright (C) The Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2020 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_ARGS_H
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namespace ircd::m::sync
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{
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struct args;
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}
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/// Argument data constructed from the query parameters (and defaults) supplied
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/// by a client hitting /sync. A pointer to this structure is generally
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/// included as part of the sync::data provided to items.
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struct ircd::m::sync::args
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{
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static conf::item<milliseconds> timeout_max;
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static conf::item<milliseconds> timeout_min;
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static conf::item<milliseconds> timeout_default;
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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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string_view filter_id;
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/// 6.2.1 A point in time to continue a sync from.
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/// Parse the since token string; this may be two numbers separated by '_'
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/// or it may be one number, or none. defaults to '0' for initial_sync.
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/// The second number is used as a next_batch value cookie we gave to
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/// the client (used during phased polylog sync)
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sync::since since;
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/// If this is non-empty, the value takes precedence and will be strictly
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/// adhered to. Otherwise, the next_batch below may be computed by the
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/// server and may be violated on longpolls. This is named the same as the
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/// next_batch response value passed to the client at the conclusion of the
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/// sync operation because it will literally pass through this value. The
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/// next sync operation will then start at this value. This token is an
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/// event_idx, like the since token. Note it may point to an event that
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/// does not yet exist past-the-end.
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uint64_t next_batch;
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/// The point in time at which this /sync should stop longpolling and return
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/// an empty'ish response to the client.
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system_point timesout;
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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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bool full_state;
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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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bool set_presence;
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/// (non-spec) Controls whether to enable phased-polylog-initial-sync, also
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/// known as Crazy-Loading. This is enabled by default, but a query string
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/// of `?phased=0` will disable it for synapse-like behavior.
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bool phased;
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/// (non-spec) If this is set to true, the only response content from /sync
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/// will be a `next_batch` token. This is useful for clients that only want
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/// to use /sync as a semaphore notifying about new activity, but will
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/// retrieve the actual data another way.
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bool semaphore;
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/// Constructed by the GET /sync request method handler on its stack.
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args(const ircd::resource::request &request);
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};
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