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ldb_cmd_test.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).
//
#ifndef ROCKSDB_LITE
#include "rocksdb/utilities/ldb_cmd.h"
#include <cinttypes>
#include "db/db_test_util.h"
#include "db/version_edit.h"
#include "db/version_set.h"
#include "env/composite_env_wrapper.h"
#include "file/filename.h"
#include "port/stack_trace.h"
#include "rocksdb/advanced_options.h"
#include "rocksdb/convenience.h"
#include "rocksdb/db.h"
#include "rocksdb/file_checksum.h"
#include "rocksdb/file_system.h"
#include "rocksdb/utilities/options_util.h"
#include "test_util/sync_point.h"
#include "test_util/testharness.h"
#include "test_util/testutil.h"
#include "util/file_checksum_helper.h"
#include "util/random.h"
using std::string;
using std::vector;
using std::map;
namespace ROCKSDB_NAMESPACE {
class LdbCmdTest : public testing::Test {
public:
LdbCmdTest() : testing::Test() {}
Env* TryLoadCustomOrDefaultEnv() {
Env* env = Env::Default();
EXPECT_OK(test::CreateEnvFromSystem(ConfigOptions(), &env, &env_guard_));
return env;
}
private:
std::shared_ptr<Env> env_guard_;
};
TEST_F(LdbCmdTest, HelpAndVersion) {
Options o;
o.env = TryLoadCustomOrDefaultEnv();
LDBOptions lo;
static const char* help[] = {"./ldb", "--help"};
ASSERT_EQ(0, LDBCommandRunner::RunCommand(2, help, o, lo, nullptr));
static const char* version[] = {"./ldb", "--version"};
ASSERT_EQ(0, LDBCommandRunner::RunCommand(2, version, o, lo, nullptr));
static const char* bad[] = {"./ldb", "--not_an_option"};
ASSERT_NE(0, LDBCommandRunner::RunCommand(2, bad, o, lo, nullptr));
}
TEST_F(LdbCmdTest, HexToString) {
// map input to expected outputs.
// odd number of "hex" half bytes doesn't make sense
map<string, vector<int>> inputMap = {
{"0x07", {7}}, {"0x5050", {80, 80}}, {"0xFF", {-1}},
{"0x1234", {18, 52}}, {"0xaaAbAC", {-86, -85, -84}}, {"0x1203", {18, 3}},
};
for (const auto& inPair : inputMap) {
auto actual = ROCKSDB_NAMESPACE::LDBCommand::HexToString(inPair.first);
auto expected = inPair.second;
for (unsigned int i = 0; i < actual.length(); i++) {
EXPECT_EQ(expected[i], static_cast<int>((signed char) actual[i]));
}
auto reverse = ROCKSDB_NAMESPACE::LDBCommand::StringToHex(actual);
EXPECT_STRCASEEQ(inPair.first.c_str(), reverse.c_str());
}
}
TEST_F(LdbCmdTest, HexToStringBadInputs) {
const vector<string> badInputs = {
"0xZZ", "123", "0xx5", "0x111G", "0x123", "Ox12", "0xT", "0x1Q1",
};
for (const auto& badInput : badInputs) {
try {
ROCKSDB_NAMESPACE::LDBCommand::HexToString(badInput);
std::cerr << "Should fail on bad hex value: " << badInput << "\n";
FAIL();
} catch (...) {
}
}
}
TEST_F(LdbCmdTest, MemEnv) {
Env* base_env = TryLoadCustomOrDefaultEnv();
std::unique_ptr<Env> env(NewMemEnv(base_env));
Options opts;
opts.env = env.get();
opts.create_if_missing = true;
DB* db = nullptr;
std::string dbname = test::PerThreadDBPath(env.get(), "ldb_cmd_test");
ASSERT_OK(DB::Open(opts, dbname, &db));
WriteOptions wopts;
for (int i = 0; i < 100; i++) {
char buf[16];
snprintf(buf, sizeof(buf), "%08d", i);
ASSERT_OK(db->Put(wopts, buf, buf));
}
FlushOptions fopts;
fopts.wait = true;
ASSERT_OK(db->Flush(fopts));
delete db;
char arg1[] = "./ldb";
char arg2[1024];
snprintf(arg2, sizeof(arg2), "--db=%s", dbname.c_str());
char arg3[] = "dump_live_files";
char* argv[] = {arg1, arg2, arg3};
ASSERT_EQ(0,
LDBCommandRunner::RunCommand(3, argv, opts, LDBOptions(), nullptr));
}
class FileChecksumTestHelper {
private:
Options options_;
DB* db_;
std::string dbname_;
Status VerifyChecksum(LiveFileMetaData& file_meta) {
std::string cur_checksum;
std::string checksum_func_name;
Status s;
EnvOptions soptions;
std::unique_ptr<SequentialFile> file_reader;
std::string file_path = dbname_ + "/" + file_meta.name;
s = options_.env->NewSequentialFile(file_path, &file_reader, soptions);
if (!s.ok()) {
return s;
}
std::unique_ptr<char[]> scratch(new char[2048]);
Slice result;
FileChecksumGenFactory* file_checksum_gen_factory =
options_.file_checksum_gen_factory.get();
if (file_checksum_gen_factory == nullptr) {
cur_checksum = kUnknownFileChecksum;
checksum_func_name = kUnknownFileChecksumFuncName;
} else {
FileChecksumGenContext gen_context;
gen_context.file_name = file_meta.name;
std::unique_ptr<FileChecksumGenerator> file_checksum_gen =
file_checksum_gen_factory->CreateFileChecksumGenerator(gen_context);
checksum_func_name = file_checksum_gen->Name();
s = file_reader->Read(2048, &result, scratch.get());
if (!s.ok()) {
return s;
}
while (result.size() != 0) {
file_checksum_gen->Update(scratch.get(), result.size());
s = file_reader->Read(2048, &result, scratch.get());
if (!s.ok()) {
return s;
}
}
file_checksum_gen->Finalize();
cur_checksum = file_checksum_gen->GetChecksum();
}
std::string stored_checksum = file_meta.file_checksum;
std::string stored_checksum_func_name = file_meta.file_checksum_func_name;
if ((cur_checksum != stored_checksum) ||
(checksum_func_name != stored_checksum_func_name)) {
return Status::Corruption(
"Checksum does not match! The file: " + file_meta.name +
", checksum name: " + stored_checksum_func_name + " and checksum " +
stored_checksum + ". However, expected checksum name: " +
checksum_func_name + " and checksum " + cur_checksum);
}
return Status::OK();
}
public:
FileChecksumTestHelper(Options& options, DB* db, std::string db_name)
: options_(options), db_(db), dbname_(db_name) {}
~FileChecksumTestHelper() {}
// Verify the checksum information in Manifest.
Status VerifyChecksumInManifest(
const std::vector<LiveFileMetaData>& live_files) {
// Step 1: verify if the dbname_ is correct
if (dbname_.back() != '/') {
dbname_.append("/");
}
// Step 2, get the the checksum information by recovering the VersionSet
// from Manifest.
std::unique_ptr<FileChecksumList> checksum_list(NewFileChecksumList());
EnvOptions sopt;
std::shared_ptr<Cache> tc(NewLRUCache(options_.max_open_files - 10,
options_.table_cache_numshardbits));
options_.db_paths.emplace_back(dbname_, 0);
options_.num_levels = 64;
WriteController wc(options_.delayed_write_rate);
WriteBufferManager wb(options_.db_write_buffer_size);
ImmutableDBOptions immutable_db_options(options_);
VersionSet versions(dbname_, &immutable_db_options, sopt, tc.get(), &wb,
&wc, nullptr, nullptr, "");
std::vector<std::string> cf_name_list;
Status s;
s = versions.ListColumnFamilies(&cf_name_list, dbname_,
immutable_db_options.fs.get());
if (s.ok()) {
std::vector<ColumnFamilyDescriptor> cf_list;
for (const auto& name : cf_name_list) {
fprintf(stdout, "cf_name: %s", name.c_str());
cf_list.emplace_back(name, ColumnFamilyOptions(options_));
}
s = versions.Recover(cf_list, true);
}
if (s.ok()) {
s = versions.GetLiveFilesChecksumInfo(checksum_list.get());
}
if (!s.ok()) {
return s;
}
// Step 3 verify the checksum
if (live_files.size() != checksum_list->size()) {
return Status::Corruption("The number of files does not match!");
}
for (size_t i = 0; i < live_files.size(); i++) {
std::string stored_checksum = "";
std::string stored_func_name = "";
s = checksum_list->SearchOneFileChecksum(
live_files[i].file_number, &stored_checksum, &stored_func_name);
if (s.IsNotFound()) {
return s;
}
if (live_files[i].file_checksum != stored_checksum ||
live_files[i].file_checksum_func_name != stored_func_name) {
return Status::Corruption(
"Checksum does not match! The file: " +
std::to_string(live_files[i].file_number) +
". In Manifest, checksum name: " + stored_func_name +
" and checksum " + stored_checksum +
". However, expected checksum name: " +
live_files[i].file_checksum_func_name + " and checksum " +
live_files[i].file_checksum);
}
}
return Status::OK();
}
// Verify the checksum of each file by recalculting the checksum and
// comparing it with the one being generated when a SST file is created.
Status VerifyEachFileChecksum() {
assert(db_ != nullptr);
EXPECT_OK(db_->DisableFileDeletions());
std::vector<LiveFileMetaData> live_files;
db_->GetLiveFilesMetaData(&live_files);
Status cs;
for (auto a_file : live_files) {
cs = VerifyChecksum(a_file);
if (!cs.ok()) {
break;
}
}
EXPECT_OK(db_->EnableFileDeletions());
return cs;
}
};
TEST_F(LdbCmdTest, DumpFileChecksumNoChecksum) {
Env* base_env = TryLoadCustomOrDefaultEnv();
std::unique_ptr<Env> env(NewMemEnv(base_env));
Options opts;
opts.env = env.get();
opts.create_if_missing = true;
DB* db = nullptr;
std::string dbname = test::PerThreadDBPath(env.get(), "ldb_cmd_test");
ASSERT_OK(DB::Open(opts, dbname, &db));
WriteOptions wopts;
FlushOptions fopts;
fopts.wait = true;
Random rnd(test::RandomSeed());
for (int i = 0; i < 200; i++) {
char buf[16];
snprintf(buf, sizeof(buf), "%08d", i);
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, buf, v));
}
ASSERT_OK(db->Flush(fopts));
for (int i = 100; i < 300; i++) {
char buf[16];
snprintf(buf, sizeof(buf), "%08d", i);
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, buf, v));
}
ASSERT_OK(db->Flush(fopts));
for (int i = 200; i < 400; i++) {
char buf[16];
snprintf(buf, sizeof(buf), "%08d", i);
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, buf, v));
}
ASSERT_OK(db->Flush(fopts));
for (int i = 300; i < 400; i++) {
char buf[16];
snprintf(buf, sizeof(buf), "%08d", i);
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, buf, v));
}
ASSERT_OK(db->Flush(fopts));
ASSERT_OK(db->Close());
delete db;
char arg1[] = "./ldb";
char arg2[1024];
snprintf(arg2, sizeof(arg2), "--db=%s", dbname.c_str());
char arg3[] = "file_checksum_dump";
char arg4[] = "--hex";
char* argv[] = {arg1, arg2, arg3, arg4};
ASSERT_EQ(0,
LDBCommandRunner::RunCommand(4, argv, opts, LDBOptions(), nullptr));
ASSERT_OK(DB::Open(opts, dbname, &db));
// Verify each sst file checksum value and checksum name
FileChecksumTestHelper fct_helper(opts, db, dbname);
ASSERT_OK(fct_helper.VerifyEachFileChecksum());
// Manually trigger compaction
char b_buf[16];
snprintf(b_buf, sizeof(b_buf), "%08d", 0);
char e_buf[16];
snprintf(e_buf, sizeof(e_buf), "%08d", 399);
Slice begin(b_buf);
Slice end(e_buf);
CompactRangeOptions options;
ASSERT_OK(db->CompactRange(options, &begin, &end));
// Verify each sst file checksum after compaction
FileChecksumTestHelper fct_helper_ac(opts, db, dbname);
ASSERT_OK(fct_helper_ac.VerifyEachFileChecksum());
ASSERT_OK(db->Close());
delete db;
ASSERT_EQ(0,
LDBCommandRunner::RunCommand(4, argv, opts, LDBOptions(), nullptr));
ASSERT_OK(DB::Open(opts, dbname, &db));
// Verify the checksum information in memory is the same as that in Manifest;
std::vector<LiveFileMetaData> live_files;
db->GetLiveFilesMetaData(&live_files);
delete db;
ASSERT_OK(fct_helper_ac.VerifyChecksumInManifest(live_files));
}
TEST_F(LdbCmdTest, BlobDBDumpFileChecksumNoChecksum) {
Env* base_env = TryLoadCustomOrDefaultEnv();
std::unique_ptr<Env> env(NewMemEnv(base_env));
Options opts;
opts.env = env.get();
opts.create_if_missing = true;
opts.enable_blob_files = true;
DB* db = nullptr;
std::string dbname = test::PerThreadDBPath(env.get(), "ldb_cmd_test");
ASSERT_OK(DB::Open(opts, dbname, &db));
WriteOptions wopts;
FlushOptions fopts;
fopts.wait = true;
Random rnd(test::RandomSeed());
for (int i = 0; i < 200; i++) {
std::ostringstream oss;
oss << std::setfill('0') << std::setw(8) << std::fixed << i;
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, oss.str(), v));
}
ASSERT_OK(db->Flush(fopts));
for (int i = 100; i < 300; i++) {
std::ostringstream oss;
oss << std::setfill('0') << std::setw(8) << std::fixed << i;
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, oss.str(), v));
}
ASSERT_OK(db->Flush(fopts));
for (int i = 200; i < 400; i++) {
std::ostringstream oss;
oss << std::setfill('0') << std::setw(8) << std::fixed << i;
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, oss.str(), v));
}
ASSERT_OK(db->Flush(fopts));
for (int i = 300; i < 400; i++) {
std::ostringstream oss;
oss << std::setfill('0') << std::setw(8) << std::fixed << i;
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, oss.str(), v));
}
ASSERT_OK(db->Flush(fopts));
ASSERT_OK(db->Close());
delete db;
char arg1[] = "./ldb";
std::string arg2_str = "--db=" + dbname;
char arg3[] = "file_checksum_dump";
char arg4[] = "--hex";
char* argv[] = {arg1, const_cast<char*>(arg2_str.c_str()), arg3, arg4};
ASSERT_EQ(0,
LDBCommandRunner::RunCommand(4, argv, opts, LDBOptions(), nullptr));
ASSERT_OK(DB::Open(opts, dbname, &db));
// Verify each sst and blob file checksum value and checksum name
FileChecksumTestHelper fct_helper(opts, db, dbname);
ASSERT_OK(fct_helper.VerifyEachFileChecksum());
// Manually trigger compaction
std::ostringstream oss_b_buf;
oss_b_buf << std::setfill('0') << std::setw(8) << std::fixed << 0;
std::ostringstream oss_e_buf;
oss_e_buf << std::setfill('0') << std::setw(8) << std::fixed << 399;
std::string b_buf = oss_b_buf.str();
std::string e_buf = oss_e_buf.str();
Slice begin(b_buf);
Slice end(e_buf);
CompactRangeOptions options;
ASSERT_OK(db->CompactRange(options, &begin, &end));
// Verify each sst file checksum after compaction
FileChecksumTestHelper fct_helper_ac(opts, db, dbname);
ASSERT_OK(fct_helper_ac.VerifyEachFileChecksum());
ASSERT_OK(db->Close());
delete db;
ASSERT_EQ(0,
LDBCommandRunner::RunCommand(4, argv, opts, LDBOptions(), nullptr));
}
TEST_F(LdbCmdTest, DumpFileChecksumCRC32) {
Env* base_env = TryLoadCustomOrDefaultEnv();
std::unique_ptr<Env> env(NewMemEnv(base_env));
Options opts;
opts.env = env.get();
opts.create_if_missing = true;
opts.file_checksum_gen_factory = GetFileChecksumGenCrc32cFactory();
DB* db = nullptr;
std::string dbname = test::PerThreadDBPath(env.get(), "ldb_cmd_test");
ASSERT_OK(DB::Open(opts, dbname, &db));
WriteOptions wopts;
FlushOptions fopts;
fopts.wait = true;
Random rnd(test::RandomSeed());
for (int i = 0; i < 100; i++) {
char buf[16];
snprintf(buf, sizeof(buf), "%08d", i);
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, buf, v));
}
ASSERT_OK(db->Flush(fopts));
for (int i = 50; i < 150; i++) {
char buf[16];
snprintf(buf, sizeof(buf), "%08d", i);
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, buf, v));
}
ASSERT_OK(db->Flush(fopts));
for (int i = 100; i < 200; i++) {
char buf[16];
snprintf(buf, sizeof(buf), "%08d", i);
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, buf, v));
}
ASSERT_OK(db->Flush(fopts));
for (int i = 150; i < 250; i++) {
char buf[16];
snprintf(buf, sizeof(buf), "%08d", i);
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, buf, v));
}
ASSERT_OK(db->Flush(fopts));
ASSERT_OK(db->Close());
delete db;
char arg1[] = "./ldb";
char arg2[1024];
snprintf(arg2, sizeof(arg2), "--db=%s", dbname.c_str());
char arg3[] = "file_checksum_dump";
char arg4[] = "--hex";
char* argv[] = {arg1, arg2, arg3, arg4};
ASSERT_EQ(0,
LDBCommandRunner::RunCommand(4, argv, opts, LDBOptions(), nullptr));
ASSERT_OK(DB::Open(opts, dbname, &db));
// Verify each sst file checksum value and checksum name
FileChecksumTestHelper fct_helper(opts, db, dbname);
ASSERT_OK(fct_helper.VerifyEachFileChecksum());
// Manually trigger compaction
char b_buf[16];
snprintf(b_buf, sizeof(b_buf), "%08d", 0);
char e_buf[16];
snprintf(e_buf, sizeof(e_buf), "%08d", 249);
Slice begin(b_buf);
Slice end(e_buf);
CompactRangeOptions options;
ASSERT_OK(db->CompactRange(options, &begin, &end));
// Verify each sst file checksum after compaction
FileChecksumTestHelper fct_helper_ac(opts, db, dbname);
ASSERT_OK(fct_helper_ac.VerifyEachFileChecksum());
ASSERT_OK(db->Close());
delete db;
ASSERT_EQ(0,
LDBCommandRunner::RunCommand(4, argv, opts, LDBOptions(), nullptr));
ASSERT_OK(DB::Open(opts, dbname, &db));
// Verify the checksum information in memory is the same as that in Manifest;
std::vector<LiveFileMetaData> live_files;
db->GetLiveFilesMetaData(&live_files);
ASSERT_OK(fct_helper_ac.VerifyChecksumInManifest(live_files));
ASSERT_OK(db->Close());
delete db;
}
TEST_F(LdbCmdTest, BlobDBDumpFileChecksumCRC32) {
Env* base_env = TryLoadCustomOrDefaultEnv();
std::unique_ptr<Env> env(NewMemEnv(base_env));
Options opts;
opts.env = env.get();
opts.create_if_missing = true;
opts.file_checksum_gen_factory = GetFileChecksumGenCrc32cFactory();
opts.enable_blob_files = true;
DB* db = nullptr;
std::string dbname = test::PerThreadDBPath(env.get(), "ldb_cmd_test");
ASSERT_OK(DB::Open(opts, dbname, &db));
WriteOptions wopts;
FlushOptions fopts;
fopts.wait = true;
Random rnd(test::RandomSeed());
for (int i = 0; i < 100; i++) {
std::ostringstream oss;
oss << std::setfill('0') << std::setw(8) << std::fixed << i;
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, oss.str(), v));
}
ASSERT_OK(db->Flush(fopts));
for (int i = 50; i < 150; i++) {
std::ostringstream oss;
oss << std::setfill('0') << std::setw(8) << std::fixed << i;
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, oss.str(), v));
}
ASSERT_OK(db->Flush(fopts));
for (int i = 100; i < 200; i++) {
std::ostringstream oss;
oss << std::setfill('0') << std::setw(8) << std::fixed << i;
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, oss.str(), v));
}
ASSERT_OK(db->Flush(fopts));
for (int i = 150; i < 250; i++) {
std::ostringstream oss;
oss << std::setfill('0') << std::setw(8) << std::fixed << i;
std::string v = rnd.RandomString(100);
ASSERT_OK(db->Put(wopts, oss.str(), v));
}
ASSERT_OK(db->Flush(fopts));
ASSERT_OK(db->Close());
delete db;
char arg1[] = "./ldb";
std::string arg2_str = "--db=" + dbname;
char arg3[] = "file_checksum_dump";
char arg4[] = "--hex";
char* argv[] = {arg1, const_cast<char*>(arg2_str.c_str()), arg3, arg4};
ASSERT_EQ(0,
LDBCommandRunner::RunCommand(4, argv, opts, LDBOptions(), nullptr));
ASSERT_OK(DB::Open(opts, dbname, &db));
// Verify each sst and blob file checksum value and checksum name
FileChecksumTestHelper fct_helper(opts, db, dbname);
ASSERT_OK(fct_helper.VerifyEachFileChecksum());
// Manually trigger compaction
std::ostringstream oss_b_buf;
oss_b_buf << std::setfill('0') << std::setw(8) << std::fixed << 0;
std::ostringstream oss_e_buf;
oss_e_buf << std::setfill('0') << std::setw(8) << std::fixed << 249;
std::string b_buf = oss_b_buf.str();
std::string e_buf = oss_e_buf.str();
Slice begin(b_buf);
Slice end(e_buf);
CompactRangeOptions options;
ASSERT_OK(db->CompactRange(options, &begin, &end));
// Verify each sst file checksum after compaction
FileChecksumTestHelper fct_helper_ac(opts, db, dbname);
ASSERT_OK(fct_helper_ac.VerifyEachFileChecksum());
ASSERT_OK(db->Close());
delete db;
ASSERT_EQ(0,
LDBCommandRunner::RunCommand(4, argv, opts, LDBOptions(), nullptr));
}
TEST_F(LdbCmdTest, OptionParsing) {
// test parsing flags
Options opts;
opts.env = TryLoadCustomOrDefaultEnv();
{
std::vector<std::string> args;
args.push_back("scan");
args.push_back("--ttl");
args.push_back("--timestamp");
LDBCommand* command = ROCKSDB_NAMESPACE::LDBCommand::InitFromCmdLineArgs(
args, opts, LDBOptions(), nullptr);
const std::vector<std::string> flags = command->TEST_GetFlags();
EXPECT_EQ(flags.size(), 2);
EXPECT_EQ(flags[0], "ttl");
EXPECT_EQ(flags[1], "timestamp");
delete command;
}
// test parsing options which contains equal sign in the option value
{
std::vector<std::string> args;
args.push_back("scan");
args.push_back("--db=/dev/shm/ldbtest/");
args.push_back(
"--from='abcd/efg/hijk/lmn/"
"opq:__rst.uvw.xyz?a=3+4+bcd+efghi&jk=lm_no&pq=rst-0&uv=wx-8&yz=a&bcd_"
"ef=gh.ijk'");
LDBCommand* command = ROCKSDB_NAMESPACE::LDBCommand::InitFromCmdLineArgs(
args, opts, LDBOptions(), nullptr);
const std::map<std::string, std::string> option_map =
command->TEST_GetOptionMap();
EXPECT_EQ(option_map.at("db"), "/dev/shm/ldbtest/");
EXPECT_EQ(option_map.at("from"),
"'abcd/efg/hijk/lmn/"
"opq:__rst.uvw.xyz?a=3+4+bcd+efghi&jk=lm_no&pq=rst-0&uv=wx-8&yz="
"a&bcd_ef=gh.ijk'");
delete command;
}
}
TEST_F(LdbCmdTest, ListFileTombstone) {
Env* base_env = TryLoadCustomOrDefaultEnv();
std::unique_ptr<Env> env(NewMemEnv(base_env));
Options opts;
opts.env = env.get();
opts.create_if_missing = true;
DB* db = nullptr;
std::string dbname = test::PerThreadDBPath(env.get(), "ldb_cmd_test");
ASSERT_OK(DB::Open(opts, dbname, &db));
WriteOptions wopts;
ASSERT_OK(db->Put(wopts, "foo", "1"));
ASSERT_OK(db->Put(wopts, "bar", "2"));
FlushOptions fopts;
fopts.wait = true;
ASSERT_OK(db->Flush(fopts));
ASSERT_OK(db->DeleteRange(wopts, db->DefaultColumnFamily(), "foo", "foo2"));
ASSERT_OK(db->DeleteRange(wopts, db->DefaultColumnFamily(), "bar", "foo2"));
ASSERT_OK(db->Flush(fopts));
delete db;
{
char arg1[] = "./ldb";
char arg2[1024];
snprintf(arg2, sizeof(arg2), "--db=%s", dbname.c_str());
char arg3[] = "list_file_range_deletes";
char* argv[] = {arg1, arg2, arg3};
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->SetCallBack(
"ListFileRangeDeletesCommand::DoCommand:BeforePrint", [&](void* arg) {
std::string* out_str = reinterpret_cast<std::string*>(arg);
// Count number of tombstones printed
int num_tb = 0;
const std::string kFingerprintStr = "start: ";
auto offset = out_str->find(kFingerprintStr);
while (offset != std::string::npos) {
num_tb++;
offset =
out_str->find(kFingerprintStr, offset + kFingerprintStr.size());
}
EXPECT_EQ(2, num_tb);
});
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->EnableProcessing();
ASSERT_EQ(
0, LDBCommandRunner::RunCommand(3, argv, opts, LDBOptions(), nullptr));
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->ClearAllCallBacks();
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->DisableProcessing();
}
// Test the case of limiting tombstones
{
char arg1[] = "./ldb";
char arg2[1024];
snprintf(arg2, sizeof(arg2), "--db=%s", dbname.c_str());
char arg3[] = "list_file_range_deletes";
char arg4[] = "--max_keys=1";
char* argv[] = {arg1, arg2, arg3, arg4};
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->SetCallBack(
"ListFileRangeDeletesCommand::DoCommand:BeforePrint", [&](void* arg) {
std::string* out_str = reinterpret_cast<std::string*>(arg);
// Count number of tombstones printed
int num_tb = 0;
const std::string kFingerprintStr = "start: ";
auto offset = out_str->find(kFingerprintStr);
while (offset != std::string::npos) {
num_tb++;
offset =
out_str->find(kFingerprintStr, offset + kFingerprintStr.size());
}
EXPECT_EQ(1, num_tb);
});
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->EnableProcessing();
ASSERT_EQ(
0, LDBCommandRunner::RunCommand(4, argv, opts, LDBOptions(), nullptr));
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->ClearAllCallBacks();
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->DisableProcessing();
}
}
TEST_F(LdbCmdTest, DisableConsistencyChecks) {
Env* base_env = TryLoadCustomOrDefaultEnv();
std::unique_ptr<Env> env(NewMemEnv(base_env));
Options opts;
opts.env = env.get();
opts.create_if_missing = true;
std::string dbname = test::PerThreadDBPath(env.get(), "ldb_cmd_test");
{
DB* db = nullptr;
ASSERT_OK(DB::Open(opts, dbname, &db));
WriteOptions wopts;
FlushOptions fopts;
fopts.wait = true;
ASSERT_OK(db->Put(wopts, "foo1", "1"));
ASSERT_OK(db->Put(wopts, "bar1", "2"));
ASSERT_OK(db->Flush(fopts));
ASSERT_OK(db->Put(wopts, "foo2", "3"));
ASSERT_OK(db->Put(wopts, "bar2", "4"));
ASSERT_OK(db->Flush(fopts));
delete db;
}
{
char arg1[] = "./ldb";
char arg2[1024];
snprintf(arg2, sizeof(arg2), "--db=%s", dbname.c_str());
char arg3[] = "checkconsistency";
char* argv[] = {arg1, arg2, arg3};
SyncPoint::GetInstance()->SetCallBack(
"Version::PrepareAppend:forced_check", [&](void* arg) {
bool* forced = reinterpret_cast<bool*>(arg);
ASSERT_TRUE(*forced);
});
SyncPoint::GetInstance()->EnableProcessing();
ASSERT_EQ(
0, LDBCommandRunner::RunCommand(3, argv, opts, LDBOptions(), nullptr));
SyncPoint::GetInstance()->ClearAllCallBacks();
SyncPoint::GetInstance()->DisableProcessing();
}
{
char arg1[] = "./ldb";
char arg2[1024];
snprintf(arg2, sizeof(arg2), "--db=%s", dbname.c_str());
char arg3[] = "scan";
char* argv[] = {arg1, arg2, arg3};
SyncPoint::GetInstance()->SetCallBack(
"Version::PrepareAppend:forced_check", [&](void* arg) {
bool* forced = reinterpret_cast<bool*>(arg);
ASSERT_TRUE(*forced);
});
SyncPoint::GetInstance()->EnableProcessing();
ASSERT_EQ(
0, LDBCommandRunner::RunCommand(3, argv, opts, LDBOptions(), nullptr));
SyncPoint::GetInstance()->ClearAllCallBacks();
SyncPoint::GetInstance()->DisableProcessing();
}
{
char arg1[] = "./ldb";
char arg2[1024];
snprintf(arg2, sizeof(arg2), "--db=%s", dbname.c_str());
char arg3[] = "scan";
char arg4[] = "--disable_consistency_checks";
char* argv[] = {arg1, arg2, arg3, arg4};
SyncPoint::GetInstance()->SetCallBack(
"ColumnFamilyData::ColumnFamilyData", [&](void* arg) {
ColumnFamilyOptions* cfo =
reinterpret_cast<ColumnFamilyOptions*>(arg);
ASSERT_FALSE(cfo->force_consistency_checks);
});
SyncPoint::GetInstance()->EnableProcessing();
ASSERT_EQ(
0, LDBCommandRunner::RunCommand(4, argv, opts, LDBOptions(), nullptr));
SyncPoint::GetInstance()->ClearAllCallBacks();
SyncPoint::GetInstance()->DisableProcessing();
}
}
TEST_F(LdbCmdTest, TestBadDbPath) {
Env* base_env = TryLoadCustomOrDefaultEnv();
std::unique_ptr<Env> env(NewMemEnv(base_env));
Options opts;
opts.env = env.get();
opts.create_if_missing = true;
std::string dbname = test::PerThreadDBPath(env.get(), "ldb_cmd_test");
char arg1[] = "./ldb";
char arg2[1024];
snprintf(arg2, sizeof(arg2), "--db=%s/.no_such_dir", dbname.c_str());
char arg3[1024];
snprintf(arg3, sizeof(arg3), "create_column_family");
char arg4[] = "bad cf";
char* argv[] = {arg1, arg2, arg3, arg4};
ASSERT_EQ(1,
LDBCommandRunner::RunCommand(4, argv, opts, LDBOptions(), nullptr));
snprintf(arg3, sizeof(arg3), "drop_column_family");
ASSERT_EQ(1,
LDBCommandRunner::RunCommand(4, argv, opts, LDBOptions(), nullptr));
}
namespace {
class WrappedEnv : public EnvWrapper {
public:
explicit WrappedEnv(Env* t) : EnvWrapper(t) {}
static const char* kClassName() { return "WrappedEnv"; }
const char* Name() const override { return kClassName(); }
};
} // namespace
TEST_F(LdbCmdTest, LoadCFOptionsAndOverride) {
// Env* base_env = TryLoadCustomOrDefaultEnv();
// std::unique_ptr<Env> env(NewMemEnv(base_env));
std::unique_ptr<Env> env(new WrappedEnv(Env::Default()));
Options opts;
opts.env = env.get();
opts.create_if_missing = true;
DB* db = nullptr;
std::string dbname = test::PerThreadDBPath(env.get(), "ldb_cmd_test");
DestroyDB(dbname, opts);
ASSERT_OK(DB::Open(opts, dbname, &db));
ColumnFamilyHandle* cf_handle;
ColumnFamilyOptions cf_opts;
cf_opts.num_levels = 20;
ASSERT_OK(db->CreateColumnFamily(cf_opts, "cf1", &cf_handle));
delete cf_handle;
delete db;
char arg1[] = "./ldb";
char arg2[1024];
snprintf(arg2, sizeof(arg2), "--db=%s", dbname.c_str());
char arg3[] = "put";
char arg4[] = "key1";
char arg5[] = "value1";
char arg6[] = "--try_load_options";
char arg7[] = "--column_family=cf1";
char arg8[] = "--write_buffer_size=268435456";
char* argv[] = {arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8};
ASSERT_EQ(0,
LDBCommandRunner::RunCommand(8, argv, opts, LDBOptions(), nullptr));
ConfigOptions config_opts;
Options options;
std::vector<ColumnFamilyDescriptor> column_families;
config_opts.env = env.get();
ASSERT_OK(LoadLatestOptions(config_opts, dbname, &options, &column_families));
ASSERT_EQ(column_families.size(), 2);
ASSERT_EQ(options.num_levels, opts.num_levels);
ASSERT_EQ(column_families[1].options.num_levels, cf_opts.num_levels);
ASSERT_EQ(column_families[1].options.write_buffer_size, 268435456);
}
TEST_F(LdbCmdTest, UnsafeRemoveSstFile) {
Options opts;
opts.level0_file_num_compaction_trigger = 10;
opts.create_if_missing = true;
DB* db = nullptr;
std::string dbname = test::PerThreadDBPath(Env::Default(), "ldb_cmd_test");
DestroyDB(dbname, opts);
ASSERT_OK(DB::Open(opts, dbname, &db));
// Create three SST files
for (size_t i = 0; i < 3; ++i) {
ASSERT_OK(db->Put(WriteOptions(), std::to_string(i), std::to_string(i)));
ASSERT_OK(db->Flush(FlushOptions()));
}
// Determine which is the "middle" one
std::vector<LiveFileMetaData> sst_files;
db->GetLiveFilesMetaData(&sst_files);
std::vector<uint64_t> numbers;
for (auto& f : sst_files) {
numbers.push_back(f.file_number);
}
ASSERT_EQ(numbers.size(), 3);
std::sort(numbers.begin(), numbers.end());
uint64_t to_remove = numbers[1];
// Close for unsafe_remove_sst_file
delete db;
db = nullptr;
char arg1[] = "./ldb";
char arg2[1024];
snprintf(arg2, sizeof(arg2), "--db=%s", dbname.c_str());
char arg3[] = "unsafe_remove_sst_file";
char arg4[20];
snprintf(arg4, sizeof(arg4), "%" PRIu64, to_remove);
char* argv[] = {arg1, arg2, arg3, arg4};
ASSERT_EQ(0,
LDBCommandRunner::RunCommand(4, argv, opts, LDBOptions(), nullptr));
// Re-open, and verify with Get that middle file is gone
ASSERT_OK(DB::Open(opts, dbname, &db));
std::string val;
ASSERT_OK(db->Get(ReadOptions(), "0", &val));
ASSERT_EQ(val, "0");
ASSERT_OK(db->Get(ReadOptions(), "2", &val));
ASSERT_EQ(val, "2");
ASSERT_TRUE(db->Get(ReadOptions(), "1", &val).IsNotFound());
// Now with extra CF, two more files
ColumnFamilyHandle* cf_handle;
ColumnFamilyOptions cf_opts;
ASSERT_OK(db->CreateColumnFamily(cf_opts, "cf1", &cf_handle));
for (size_t i = 3; i < 5; ++i) {
ASSERT_OK(db->Put(WriteOptions(), cf_handle, std::to_string(i),
std::to_string(i)));
ASSERT_OK(db->Flush(FlushOptions(), cf_handle));
}
// Determine which is the "last" one
sst_files.clear();
db->GetLiveFilesMetaData(&sst_files);
numbers.clear();
for (auto& f : sst_files) {
numbers.push_back(f.file_number);
}