Summary: Execute randomly generated operations on both a DB and a std::map, then reopen the DB and make sure that iterating the DB produces the same key-value pairs as iterating through the std::map. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7762 Test Plan: cd fuzz && make db_map_fuzzer && ./db_map_fuzzer Reviewed By: pdillinger Differential Revision: D25437485 Pulled By: cheng-chang fbshipit-source-id: 3a93f7efd046b194193e45d2ab1ad81565510781
122 lines
4.2 KiB
C++
122 lines
4.2 KiB
C++
// 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 <algorithm>
|
|
#include <iostream>
|
|
#include <map>
|
|
#include <string>
|
|
|
|
#include "proto/gen/db_operation.pb.h"
|
|
#include "rocksdb/db.h"
|
|
#include "rocksdb/file_system.h"
|
|
#include "src/libfuzzer/libfuzzer_macro.h"
|
|
|
|
#define CHECK_OK(expression) \
|
|
do { \
|
|
auto status = (expression); \
|
|
if (!status.ok()) { \
|
|
std::cerr << status.ToString() << std::endl; \
|
|
abort(); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define CHECK_EQ(a, b) \
|
|
if (a != b) { \
|
|
std::cerr << "(" << #a << "=" << a << ") != (" << #b << "=" << b << ")" \
|
|
<< std::endl; \
|
|
abort(); \
|
|
}
|
|
|
|
#define CHECK_TRUE(cond) \
|
|
if (!(cond)) { \
|
|
std::cerr << "\"" << #cond << "\" is false" << std::endl; \
|
|
abort(); \
|
|
}
|
|
|
|
protobuf_mutator::libfuzzer::PostProcessorRegistration<DBOperations> reg = {
|
|
[](DBOperations* input, unsigned int /* seed */) {
|
|
const rocksdb::Comparator* comparator = rocksdb::BytewiseComparator();
|
|
auto ops = input->mutable_operations();
|
|
// Make sure begin <= end for DELETE_RANGE.
|
|
for (DBOperation& op : *ops) {
|
|
if (op.type() == OpType::DELETE_RANGE) {
|
|
auto begin = op.key();
|
|
auto end = op.value();
|
|
if (comparator->Compare(begin, end) > 0) {
|
|
std::swap(begin, end);
|
|
op.set_key(begin);
|
|
op.set_value(end);
|
|
}
|
|
}
|
|
}
|
|
}};
|
|
|
|
// Execute randomly generated operations on both a DB and a std::map,
|
|
// then reopen the DB and make sure that iterating the DB produces the
|
|
// same key-value pairs as iterating through the std::map.
|
|
DEFINE_PROTO_FUZZER(DBOperations& input) {
|
|
if (input.operations().empty()) {
|
|
return;
|
|
}
|
|
|
|
const std::string kDbPath = "/tmp/db_map_fuzzer_test";
|
|
auto fs = rocksdb::FileSystem::Default();
|
|
if (fs->FileExists(kDbPath, rocksdb::IOOptions(), /*dbg=*/nullptr).ok()) {
|
|
std::cerr << "db path " << kDbPath << " already exists" << std::endl;
|
|
abort();
|
|
}
|
|
|
|
std::map<std::string, std::string> kv;
|
|
rocksdb::DB* db = nullptr;
|
|
rocksdb::Options options;
|
|
options.create_if_missing = true;
|
|
CHECK_OK(rocksdb::DB::Open(options, kDbPath, &db));
|
|
|
|
for (const DBOperation& op : input.operations()) {
|
|
switch (op.type()) {
|
|
case OpType::PUT: {
|
|
CHECK_OK(db->Put(rocksdb::WriteOptions(), op.key(), op.value()));
|
|
kv[op.key()] = op.value();
|
|
break;
|
|
}
|
|
case OpType::DELETE: {
|
|
CHECK_OK(db->Delete(rocksdb::WriteOptions(), op.key()));
|
|
kv.erase(op.key());
|
|
break;
|
|
}
|
|
case OpType::DELETE_RANGE: {
|
|
// [op.key(), op.value()) corresponds to [begin, end).
|
|
CHECK_OK(db->DeleteRange(rocksdb::WriteOptions(),
|
|
db->DefaultColumnFamily(), op.key(),
|
|
op.value()));
|
|
kv.erase(kv.lower_bound(op.key()), kv.lower_bound(op.value()));
|
|
break;
|
|
}
|
|
default: {
|
|
std::cerr << "Unsupported operation" << static_cast<int>(op.type());
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
CHECK_OK(db->Close());
|
|
delete db;
|
|
db = nullptr;
|
|
|
|
CHECK_OK(rocksdb::DB::Open(options, kDbPath, &db));
|
|
auto kv_it = kv.begin();
|
|
rocksdb::Iterator* it = db->NewIterator(rocksdb::ReadOptions());
|
|
for (it->SeekToFirst(); it->Valid(); it->Next(), kv_it++) {
|
|
CHECK_TRUE(kv_it != kv.end());
|
|
CHECK_EQ(it->key().ToString(), kv_it->first);
|
|
CHECK_EQ(it->value().ToString(), kv_it->second);
|
|
}
|
|
CHECK_TRUE(kv_it == kv.end());
|
|
delete it;
|
|
|
|
CHECK_OK(db->Close());
|
|
delete db;
|
|
CHECK_OK(rocksdb::DestroyDB(kDbPath, options));
|
|
}
|