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construct/include/ircd/m/fetch.h
2019-06-04 18:50:17 -07:00

62 lines
1.8 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2019 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_FETCH_H
/// Event Fetcher (remote). This is probably not the interface you want
/// because there is no ordinary reason for developers fetch a remote event
/// directly. This is an interface to the low-level fetch system.
///
namespace ircd::m::fetch
{
struct request;
// Observers
bool for_each(const std::function<bool (request &)> &);
bool exists(const m::event::id &);
size_t count();
// Control panel
bool cancel(request &);
bool start(const m::room::id &, const m::event::id &);
bool prefetch(const m::room::id &, const m::event::id &);
bool synchronize(const m::room &);
// Composed operations
void auth_chain(const room &, const net::hostport &);
void state_ids(const room &);
extern log::log log;
}
/// Fetch entity state. This is not meant for construction by users of this
/// interface.
struct ircd::m::fetch::request
:m::v1::event
{
using is_transparent = void;
m::room::id::buf room_id;
m::event::id::buf event_id;
unique_buffer<mutable_buffer> buf;
std::set<std::string, std::less<>> attempted;
string_view origin;
time_t started {0};
time_t last {0};
time_t finished {0};
std::exception_ptr eptr;
request(const m::room::id &, const m::event::id &, const size_t &bufsz = 8_KiB);
request(request &&) = delete;
request(const request &) = delete;
request &operator=(request &&) = delete;
request &operator=(const request &) = delete;
};