mirror of
https://github.com/matrix-construct/construct
synced 2024-07-09 20:18:34 +02:00
60 lines
2.1 KiB
C++
60 lines
2.1 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) 2016-2019 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_DBS_WRITE_OPTS_H
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/// Options that affect the dbs::write() of an event to the transaction.
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struct ircd::m::dbs::write_opts
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{
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static const std::bitset<256> event_refs_all;
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static const std::bitset<64> appendix_all;
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/// Operation code; usually SET or DELETE. Note that we interpret the
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/// code internally and may set different codes for appendages of the
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/// actual transaction.
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db::op op {db::op::SET};
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/// Principal's index number. Most codepaths do not permit zero; must set.
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uint64_t event_idx {0};
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/// The state btree root to perform the update on.
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string_view root_in;
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/// After the update is performed, the new state btree root is returned
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/// into this buffer.
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mutable_buffer root_out;
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/// Fuse panel to toggle transaction elements.
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std::bitset<64> appendix {appendix_all};
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/// Selection of what reference types to manipulate in event_refs. Refs
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/// will not be made if it is not appropriate for the event anyway, so
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/// this defaults to all bits. User can disable one or more ref types
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/// by clearing a bit.
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std::bitset<256> event_refs {event_refs_all};
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/// Selection of what reference types to resolve and delete from the
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/// event_horizon for this event.
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std::bitset<256> horizon_resolve {event_refs_all};
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/// Whether the present state table `room_state` should be updated by
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/// this operation if appropriate.
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bool present {true};
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/// Whether the history state btree `state_node` + `room_events` value
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/// should be updated by this operation if appropriate.
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bool history {false};
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/// Whether the event.source can be used directly for event_json. Defaults
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/// to false unless the caller wants to avoid a redundant re-stringify.
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bool json_source {false};
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};
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