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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#pragma once
#include "rocksdb/advanced_cache.h"
#include "rocksdb/table.h"
#include "table/block_based/block_type.h"
namespace ROCKSDB_NAMESPACE {
class Footer;
// Release the cached entry and decrement its ref count.
void ForceReleaseCachedEntry(void* arg, void* h);
inline MemoryAllocator* GetMemoryAllocator(
const BlockBasedTableOptions& table_options) {
return table_options.block_cache.get()
? table_options.block_cache->memory_allocator()
: nullptr;
}
// Assumes block has a trailer past `data + block_size` as in format.h.
// `file_name` provided for generating diagnostic message in returned status.
// `offset` might be required for proper verification (also used for message).
// `block_type` is included in the error message to provide context about
// which type of block failed checksum verification.
//
// Returns Status::OK() on checksum match, or Status::Corruption() on checksum
// mismatch.
Status VerifyBlockChecksum(const Footer& footer, const char* data,
size_t block_size, const std::string& file_name,
uint64_t offset, BlockType block_type);
} // namespace ROCKSDB_NAMESPACE