mirror of
https://github.com/matrix-construct/construct
synced 2024-11-09 11:31:11 +01:00
141 lines
3.8 KiB
C++
141 lines
3.8 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_DATA_H
|
|
|
|
namespace ircd
|
|
{
|
|
struct client;
|
|
}
|
|
|
|
namespace ircd::m::sync
|
|
{
|
|
struct data;
|
|
|
|
string_view loghead(const data &);
|
|
|
|
bool apropos(const data &, const event::idx &);
|
|
bool apropos(const data &, const event::id &);
|
|
bool apropos(const data &, const event &);
|
|
}
|
|
|
|
/// sync::data is the primary argument structure passed around to each
|
|
/// sync::item handler to effect a /sync. This contains everything the item
|
|
/// needs to provide response content.
|
|
///
|
|
struct ircd::m::sync::data
|
|
:instance_list<ircd::m::sync::data>
|
|
{
|
|
/// Range to synchronize. Starting index is inclusive, ending index is
|
|
/// exclusive. Generally the starting index is a since token, and ending
|
|
/// index is one beyond the vm::current_sequence and used for next_batch.
|
|
m::events::range range;
|
|
|
|
/// Whether to enable phased sync mode. The range.first will be <= 0
|
|
/// in this case, and only handlers with the phased feature
|
|
bool phased {false};
|
|
|
|
/// Prefetch mode. Supporting item handlers will initiate prefetches for
|
|
/// their data without writing to output.
|
|
bool prefetch {false};
|
|
|
|
/// Statistics tracking. If null, stats won't be accumulated for the sync.
|
|
sync::stats *stats {nullptr};
|
|
|
|
/// The client. This may be null if sync is being called internally.
|
|
ircd::client *client {nullptr};
|
|
|
|
/// Parsed arguments for the request.
|
|
const sync::args *args {nullptr};
|
|
|
|
/// User apropos.
|
|
const m::user user;
|
|
|
|
/// User's room convenience.
|
|
const m::user::room user_room;
|
|
|
|
/// User's room state convenience.
|
|
const m::room::state user_state;
|
|
|
|
/// User's rooms interface convenience.
|
|
const m::user::rooms user_rooms;
|
|
|
|
/// Buffer for supplied or fetched filter.
|
|
const std::string filter_buf;
|
|
|
|
/// Structured parse of the above filter.
|
|
const m::filter filter;
|
|
|
|
/// User's device ID from the access token.
|
|
const device::id device_id;
|
|
|
|
/// Event apropos (may be null for polylog).
|
|
const m::event *event {nullptr};
|
|
|
|
/// Event room's interface convenience.
|
|
const m::room *room {nullptr};
|
|
|
|
/// User's membership in event's room.
|
|
string_view membership;
|
|
|
|
/// Event's depth in room.
|
|
int64_t room_depth {0}; // if *room
|
|
|
|
/// Event room's top-head sequence number
|
|
event::idx room_head {0}; // if *room
|
|
|
|
/// Event's sequence number
|
|
event::idx event_idx {0}; // if *event
|
|
|
|
/// Client transaction_id apropos
|
|
string_view client_txnid;
|
|
|
|
/// The json::stack master object
|
|
json::stack *out {nullptr};
|
|
|
|
/// Set by a linear sync handler; indicates the handler cannot fulfill
|
|
/// the request because the polylog sync handler should be used instead;
|
|
bool reflow_full_state {false};
|
|
|
|
data(const m::user &user,
|
|
const m::events::range &range,
|
|
ircd::client *const &client = nullptr,
|
|
json::stack *const &out = nullptr,
|
|
sync::stats *const &stats = nullptr,
|
|
const sync::args *const &args = nullptr,
|
|
const device::id &device_id = {});
|
|
|
|
data(data &&) = delete;
|
|
data(const data &) = delete;
|
|
~data() noexcept;
|
|
};
|
|
|
|
inline bool
|
|
ircd::m::sync::apropos(const data &d,
|
|
const event &event)
|
|
{
|
|
return apropos(d, index(std::nothrow, event));
|
|
}
|
|
|
|
inline bool
|
|
ircd::m::sync::apropos(const data &d,
|
|
const event::id &event_id)
|
|
{
|
|
return apropos(d, index(std::nothrow, event_id));
|
|
}
|
|
|
|
inline bool
|
|
ircd::m::sync::apropos(const data &d,
|
|
const event::idx &event_idx)
|
|
{
|
|
return d.phased ||
|
|
(event_idx >= d.range.first && event_idx < d.range.second);
|
|
}
|