rocksdb/db/blob/blob_file_completion_callba...

58 lines
2.0 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).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#pragma once
#include "db/error_handler.h"
#include "file/sst_file_manager_impl.h"
#include "rocksdb/status.h"
namespace ROCKSDB_NAMESPACE {
class BlobFileCompletionCallback {
public:
#ifdef ROCKSDB_LITE
BlobFileCompletionCallback(SstFileManager* /*sst_file_manager*/,
InstrumentedMutex* /*mutex*/,
ErrorHandler* /*error_handler*/) {}
Status OnBlobFileCompleted(const std::string& /*file_name*/) {
return Status::OK();
}
#else
BlobFileCompletionCallback(SstFileManager* sst_file_manager,
InstrumentedMutex* mutex,
ErrorHandler* error_handler)
: sst_file_manager_(sst_file_manager),
mutex_(mutex),
error_handler_(error_handler) {}
Status OnBlobFileCompleted(const std::string& file_name) {
Status s;
auto sfm = static_cast<SstFileManagerImpl*>(sst_file_manager_);
if (sfm) {
// Report new blob files to SstFileManagerImpl
s = sfm->OnAddFile(file_name);
if (sfm->IsMaxAllowedSpaceReached()) {
s = Status::SpaceLimit("Max allowed space was reached");
TEST_SYNC_POINT(
"BlobFileCompletionCallback::CallBack::MaxAllowedSpaceReached");
InstrumentedMutexLock l(mutex_);
error_handler_->SetBGError(s, BackgroundErrorReason::kFlush);
}
}
return s;
}
private:
SstFileManager* sst_file_manager_;
InstrumentedMutex* mutex_;
ErrorHandler* error_handler_;
#endif // ROCKSDB_LITE
};
} // namespace ROCKSDB_NAMESPACE