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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 "utilities/blob_db/blob_db.h"
#include <cinttypes>
#include "utilities/blob_db/blob_db_impl.h"
namespace ROCKSDB_NAMESPACE {
namespace blob_db {
Status BlobDB::Open(const Options& options, const BlobDBOptions& bdb_options,
const std::string& dbname, BlobDB** blob_db) {
*blob_db = nullptr;
DBOptions db_options(options);
ColumnFamilyOptions cf_options(options);
std::vector<ColumnFamilyDescriptor> column_families;
column_families.push_back(
ColumnFamilyDescriptor(kDefaultColumnFamilyName, cf_options));
std::vector<ColumnFamilyHandle*> handles;
Status s = BlobDB::Open(db_options, bdb_options, dbname, column_families,
&handles, blob_db);
if (s.ok()) {
assert(handles.size() == 1);
// i can delete the handle since DBImpl is always holding a reference to
// default column family
delete handles[0];
}
return s;
}
Status BlobDB::Open(const DBOptions& db_options,
const BlobDBOptions& bdb_options, const std::string& dbname,
const std::vector<ColumnFamilyDescriptor>& column_families,
std::vector<ColumnFamilyHandle*>* handles,
BlobDB** blob_db) {
if (column_families.size() != 1 ||
column_families[0].name != kDefaultColumnFamilyName) {
return Status::NotSupported(
"Blob DB doesn't support non-default column family.");
}
BlobDBImpl* blob_db_impl = new BlobDBImpl(dbname, bdb_options, db_options,
column_families[0].options);
Status s = blob_db_impl->Open(handles);
if (s.ok()) {
*blob_db = static_cast<BlobDB*>(blob_db_impl);
} else {
delete blob_db_impl;
*blob_db = nullptr;
}
return s;
}
BlobDB::BlobDB() : StackableDB(nullptr) {}
void BlobDBOptions::Dump(Logger* log) const {
ROCKS_LOG_HEADER(
log, " BlobDBOptions.blob_dir: %s",
blob_dir.c_str());
ROCKS_LOG_HEADER(
log, " BlobDBOptions.path_relative: %d",
path_relative);
ROCKS_LOG_HEADER(
log, " BlobDBOptions.is_fifo: %d",
is_fifo);
ROCKS_LOG_HEADER(
log, " BlobDBOptions.max_db_size: %" PRIu64,
max_db_size);
ROCKS_LOG_HEADER(
log, " BlobDBOptions.ttl_range_secs: %" PRIu64,
ttl_range_secs);
ROCKS_LOG_HEADER(
log, " BlobDBOptions.min_blob_size: %" PRIu64,
min_blob_size);
ROCKS_LOG_HEADER(
log, " BlobDBOptions.bytes_per_sync: %" PRIu64,
bytes_per_sync);
ROCKS_LOG_HEADER(
log, " BlobDBOptions.blob_file_size: %" PRIu64,
blob_file_size);
ROCKS_LOG_HEADER(
log, " BlobDBOptions.compression: %d",
static_cast<int>(compression));
ROCKS_LOG_HEADER(
log, " BlobDBOptions.enable_garbage_collection: %d",
enable_garbage_collection);
ROCKS_LOG_HEADER(
log, " BlobDBOptions.garbage_collection_cutoff: %f",
garbage_collection_cutoff);
ROCKS_LOG_HEADER(
log, " BlobDBOptions.disable_background_tasks: %d",
disable_background_tasks);
}
} // namespace blob_db
} // namespace ROCKSDB_NAMESPACE
#endif
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