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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include <cstdint>
#include <vector>
namespace mongo {
namespace mutablebson {
// A damage event represents a change of size 'size' byte at starting at offset
// 'target_offset' in some target buffer, with the replacement data being 'size' bytes of
// data from the 'source' offset. The base addresses against which these offsets are to be
// applied are not captured here.
struct DamageEvent {
typedef uint32_t OffsetSizeType;
// Offset of source data (in some buffer held elsewhere).
OffsetSizeType sourceOffset;
// Offset of target data (in some buffer held elsewhere).
OffsetSizeType targetOffset;
// Size of the damage region.
size_t size;
};
typedef std::vector<DamageEvent> DamageVector;
} // namespace mutablebson
} // namespace mongo
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