mirror of https://github.com/facebook/rocksdb.git
85 lines
3.4 KiB
C++
85 lines
3.4 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#pragma once
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#include "db/error_handler.h"
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#include "db/event_helpers.h"
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#include "file/sst_file_manager_impl.h"
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#include "rocksdb/status.h"
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namespace ROCKSDB_NAMESPACE {
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class BlobFileCompletionCallback {
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public:
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BlobFileCompletionCallback(
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SstFileManager* sst_file_manager, InstrumentedMutex* mutex,
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ErrorHandler* error_handler, EventLogger* event_logger,
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const std::vector<std::shared_ptr<EventListener>>& listeners,
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const std::string& dbname)
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: event_logger_(event_logger), listeners_(listeners), dbname_(dbname) {
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sst_file_manager_ = sst_file_manager;
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mutex_ = mutex;
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error_handler_ = error_handler;
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}
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void OnBlobFileCreationStarted(const std::string& file_name,
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const std::string& column_family_name,
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int job_id,
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BlobFileCreationReason creation_reason) {
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// Notify the listeners.
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EventHelpers::NotifyBlobFileCreationStarted(listeners_, dbname_,
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column_family_name, file_name,
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job_id, creation_reason);
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}
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Status OnBlobFileCompleted(const std::string& file_name,
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const std::string& column_family_name, int job_id,
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uint64_t file_number,
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BlobFileCreationReason creation_reason,
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const Status& report_status,
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const std::string& checksum_value,
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const std::string& checksum_method,
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uint64_t blob_count, uint64_t blob_bytes) {
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Status s;
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auto sfm = static_cast<SstFileManagerImpl*>(sst_file_manager_);
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if (sfm) {
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// Report new blob files to SstFileManagerImpl
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s = sfm->OnAddFile(file_name);
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if (sfm->IsMaxAllowedSpaceReached()) {
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s = Status::SpaceLimit("Max allowed space was reached");
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TEST_SYNC_POINT(
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"BlobFileCompletionCallback::CallBack::MaxAllowedSpaceReached");
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InstrumentedMutexLock l(mutex_);
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error_handler_->SetBGError(s, BackgroundErrorReason::kFlush);
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}
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}
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// Notify the listeners.
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EventHelpers::LogAndNotifyBlobFileCreationFinished(
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event_logger_, listeners_, dbname_, column_family_name, file_name,
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job_id, file_number, creation_reason,
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(!report_status.ok() ? report_status : s),
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(checksum_value.empty() ? kUnknownFileChecksum : checksum_value),
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(checksum_method.empty() ? kUnknownFileChecksumFuncName
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: checksum_method),
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blob_count, blob_bytes);
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return s;
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}
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private:
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SstFileManager* sst_file_manager_;
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InstrumentedMutex* mutex_;
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ErrorHandler* error_handler_;
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EventLogger* event_logger_;
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std::vector<std::shared_ptr<EventListener>> listeners_;
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std::string dbname_;
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};
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} // namespace ROCKSDB_NAMESPACE
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