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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).
//
// 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 "db/event_helpers.h"
#include "file/sst_file_manager_impl.h"
#include "rocksdb/status.h"
namespace ROCKSDB_NAMESPACE {
class BlobFileCompletionCallback {
public:
BlobFileCompletionCallback(
SstFileManager* sst_file_manager, InstrumentedMutex* mutex,
ErrorHandler* error_handler, EventLogger* event_logger,
const std::vector<std::shared_ptr<EventListener>>& listeners,
const std::string& dbname)
: event_logger_(event_logger), listeners_(listeners), dbname_(dbname) {
#ifndef ROCKSDB_LITE
sst_file_manager_ = sst_file_manager;
mutex_ = mutex;
error_handler_ = error_handler;
#else
(void)sst_file_manager;
(void)mutex;
(void)error_handler;
#endif // ROCKSDB_LITE
}
void OnBlobFileCreationStarted(const std::string& file_name,
const std::string& column_family_name,
int job_id,
BlobFileCreationReason creation_reason) {
#ifndef ROCKSDB_LITE
// Notify the listeners.
EventHelpers::NotifyBlobFileCreationStarted(listeners_, dbname_,
column_family_name, file_name,
job_id, creation_reason);
#else
(void)file_name;
(void)column_family_name;
(void)job_id;
(void)creation_reason;
#endif
}
Status OnBlobFileCompleted(const std::string& file_name,
const std::string& column_family_name, int job_id,
uint64_t file_number,
BlobFileCreationReason creation_reason,
const Status& report_status,
const std::string& checksum_value,
const std::string& checksum_method,
uint64_t blob_count, uint64_t blob_bytes) {
Status s;
#ifndef ROCKSDB_LITE
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);
}
}
#endif // !ROCKSDB_LITE
// Notify the listeners.
EventHelpers::LogAndNotifyBlobFileCreationFinished(
event_logger_, listeners_, dbname_, column_family_name, file_name,
job_id, file_number, creation_reason,
(!report_status.ok() ? report_status : s),
(checksum_value.empty() ? kUnknownFileChecksum : checksum_value),
(checksum_method.empty() ? kUnknownFileChecksumFuncName
: checksum_method),
blob_count, blob_bytes);
return s;
}
private:
#ifndef ROCKSDB_LITE
SstFileManager* sst_file_manager_;
InstrumentedMutex* mutex_;
ErrorHandler* error_handler_;
#endif // ROCKSDB_LITE
EventLogger* event_logger_;
std::vector<std::shared_ptr<EventListener>> listeners_;
std::string dbname_;
};
} // namespace ROCKSDB_NAMESPACE
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