rocksdb/db/convenience.cc

99 lines
3.9 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 "rocksdb/convenience.h"
#include "db/convenience_impl.h"
#include "db/db_impl/db_impl.h"
#include "util/cast_util.h"
namespace ROCKSDB_NAMESPACE {
void CancelAllBackgroundWork(DB* db, bool wait) {
(static_cast_with_check<DBImpl>(db->GetRootDB()))
->CancelAllBackgroundWork(wait);
}
Status DeleteFilesInRange(DB* db, ColumnFamilyHandle* column_family,
const Slice* begin, const Slice* end,
bool include_end) {
RangePtr range(begin, end);
return DeleteFilesInRanges(db, column_family, &range, 1, include_end);
}
Status DeleteFilesInRanges(DB* db, ColumnFamilyHandle* column_family,
const RangePtr* ranges, size_t n, bool include_end) {
return (static_cast_with_check<DBImpl>(db->GetRootDB()))
->DeleteFilesInRanges(column_family, ranges, n, include_end);
}
Status VerifySstFileChecksum(const Options& options,
const EnvOptions& env_options,
const std::string& file_path) {
// TODO: plumb Env::IOActivity
const ReadOptions read_options;
return VerifySstFileChecksum(options, env_options, read_options, file_path);
}
Status VerifySstFileChecksum(const Options& options,
const EnvOptions& env_options,
const ReadOptions& _read_options,
const std::string& file_path,
const SequenceNumber& largest_seqno) {
if (_read_options.io_activity != Env::IOActivity::kUnknown) {
return Status::InvalidArgument(
"Can only call VerifySstFileChecksum with `ReadOptions::io_activity` "
"is "
"`Env::IOActivity::kUnknown`");
}
ReadOptions read_options(_read_options);
return VerifySstFileChecksumInternal(options, env_options, read_options,
file_path, largest_seqno);
}
Status VerifySstFileChecksumInternal(const Options& options,
const EnvOptions& env_options,
const ReadOptions& read_options,
const std::string& file_path,
const SequenceNumber& largest_seqno) {
std::unique_ptr<FSRandomAccessFile> file;
uint64_t file_size;
InternalKeyComparator internal_comparator(options.comparator);
ImmutableOptions ioptions(options);
Status s = ioptions.fs->NewRandomAccessFile(
file_path, FileOptions(env_options), &file, nullptr);
if (s.ok()) {
s = ioptions.fs->GetFileSize(file_path, IOOptions(), &file_size, nullptr);
} else {
return s;
}
std::unique_ptr<TableReader> table_reader;
std::unique_ptr<RandomAccessFileReader> file_reader(
new RandomAccessFileReader(
std::move(file), file_path, ioptions.clock, nullptr /* io_tracer */,
ioptions.stats /* stats */,
Histograms::SST_READ_MICROS /* hist_type */,
nullptr /* file_read_hist */, ioptions.rate_limiter.get()));
const bool kImmortal = true;
auto reader_options = TableReaderOptions(
ioptions, options.prefix_extractor, env_options, internal_comparator,
options.block_protection_bytes_per_key, false /* skip_filters */,
!kImmortal, false /* force_direct_prefetch */, -1 /* level */);
reader_options.largest_seqno = largest_seqno;
s = ioptions.table_factory->NewTableReader(
read_options, reader_options, std::move(file_reader), file_size,
&table_reader, false /* prefetch_index_and_filter_in_cache */);
if (!s.ok()) {
return s;
}
s = table_reader->VerifyChecksum(read_options,
TableReaderCaller::kUserVerifyChecksum);
return s;
}
} // namespace ROCKSDB_NAMESPACE