rocksdb/db/output_validator.cc

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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).
//
#include "db/output_validator.h"
#include "test_util/sync_point.h"
#include "util/hash.h"
namespace ROCKSDB_NAMESPACE {
Status OutputValidator::Add(const Slice& key, const Slice& value) {
if (enable_hash_) {
// Generate a rolling 64-bit hash of the key and values
paranoid_hash_ = NPHash64(key.data(), key.size(), paranoid_hash_);
paranoid_hash_ = NPHash64(value.data(), value.size(), paranoid_hash_);
}
if (enable_order_check_) {
TEST_SYNC_POINT_CALLBACK("OutputValidator::Add:order_check",
/*arg=*/nullptr);
if (key.size() < kNumInternalBytes) {
return Status::Corruption(
"Compaction tries to write a key without internal bytes.");
}
// prev_key_ starts with empty.
if (!prev_key_.empty() && icmp_.Compare(key, prev_key_) < 0) {
return Status::Corruption("Compaction sees out-of-order keys.");
}
prev_key_.assign(key.data(), key.size());
}
return Status::OK();
}
} // namespace ROCKSDB_NAMESPACE