diff options
Diffstat (limited to 'src/mongo/db/catalog/index_builds_manager.cpp')
| -rw-r--r-- | src/mongo/db/catalog/index_builds_manager.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/mongo/db/catalog/index_builds_manager.cpp b/src/mongo/db/catalog/index_builds_manager.cpp new file mode 100644 index 00000000000..15138cae0df --- /dev/null +++ b/src/mongo/db/catalog/index_builds_manager.cpp @@ -0,0 +1,174 @@ +/** + * Copyright (C) 2018-present MongoDB, Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the Server Side Public License, version 1, + * as published by MongoDB, Inc. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * Server Side Public License for more details. + * + * You should have received a copy of the Server Side Public License + * along with this program. If not, see + * <http://www.mongodb.com/licensing/server-side-public-license>. + * + * As a special exception, the copyright holders give permission to link the + * code of portions of this program with the OpenSSL library under certain + * conditions as described in each individual source file and distribute + * linked combinations including the program with the OpenSSL library. You + * must comply with the Server Side Public License in all respects for + * all of the code used other than as permitted herein. If you modify file(s) + * with this exception, you may extend this exception to your version of the + * file(s), but you are not obligated to do so. If you do not wish to do so, + * delete this exception statement from your version. If you delete this + * exception statement from all source files in the program, then also delete + * it in the license file. + */ + +#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kStorage + +#include "mongo/platform/basic.h" + +#include "mongo/db/catalog/index_builds_manager.h" + +#include "mongo/db/catalog/collection.h" +#include "mongo/db/catalog/multi_index_block.h" +#include "mongo/db/catalog/multi_index_block_impl.h" +#include "mongo/db/operation_context.h" +#include "mongo/db/service_context.h" +#include "mongo/util/log.h" +#include "mongo/util/mongoutils/str.h" + +namespace mongo { + +using std::shared_ptr; + +IndexBuildsManager::~IndexBuildsManager() { + invariant(_builders.empty()); +} + +Status IndexBuildsManager::setUpIndexBuild(OperationContext* opCtx, + Collection* collection, + const NamespaceString& nss, + const std::vector<BSONObj>& specs, + const UUID& buildUUID) { + _registerIndexBuild(opCtx, collection, buildUUID); + + // TODO: Not yet implemented. + + return Status::OK(); +} + +StatusWith<IndexBuildRecoveryState> IndexBuildsManager::recoverIndexBuild( + const NamespaceString& nss, const UUID& buildUUID, std::vector<std::string> indexNames) { + + // TODO: Not yet implemented. + + return IndexBuildRecoveryState::Building; +} + +Status IndexBuildsManager::startBuildingIndex(const UUID& buildUUID) { + auto multiIndexBlockPtr = _getBuilder(buildUUID); + // TODO: verify that the index builder is in the expected state. + + // TODO: Not yet implemented. + + return Status::OK(); +} + +Status IndexBuildsManager::finishbBuildingPhase(const UUID& buildUUID) { + auto multiIndexBlockPtr = _getBuilder(buildUUID); + // TODO: verify that the index builder is in the expected state. + + // TODO: Not yet implemented. + + return Status::OK(); +} + +Status IndexBuildsManager::checkIndexConstraintViolations(const UUID& buildUUID) { + auto multiIndexBlockPtr = _getBuilder(buildUUID); + // TODO: verify that the index builder is in the expected state. + + // TODO: Not yet implemented. + + return Status::OK(); +} + +Status IndexBuildsManager::finishConstraintPhase(const UUID& buildUUID) { + auto multiIndexBlockPtr = _getBuilder(buildUUID); + // TODO: verify that the index builder is in the expected state. + + // TODO: Not yet implemented. + + return Status::OK(); +} + +Status IndexBuildsManager::commitIndexBuild(const UUID& buildUUID) { + auto multiIndexBlockPtr = _getBuilder(buildUUID); + // TODO: verify that the index builder is in the expected state. + + // TODO: Not yet implemented. + + return Status::OK(); +} + +bool IndexBuildsManager::abortIndexBuild(const UUID& buildUUID, const std::string& reason) { + stdx::unique_lock<stdx::mutex> lk(_mutex); + + auto builderIt = _builders.find(buildUUID); + if (builderIt == _builders.end()) { + return false; + } + builderIt->second->abort(reason); + return true; +} + +bool IndexBuildsManager::interruptIndexBuild(const UUID& buildUUID, const std::string& reason) { + stdx::unique_lock<stdx::mutex> lk(_mutex); + + auto builderIt = _builders.find(buildUUID); + if (builderIt == _builders.end()) { + return false; + } + + // TODO: Not yet implemented. + return true; +} + +void IndexBuildsManager::tearDownIndexBuild(const UUID& buildUUID) { + // TODO verify that the index builder is in a finished state before allowing its destruction. + _unregisterIndexBuild(buildUUID); +} + +void IndexBuildsManager::verifyNoIndexBuilds_forTestOnly() { + invariant(_builders.empty()); +} + +void IndexBuildsManager::_registerIndexBuild(OperationContext* opCtx, + Collection* collection, + UUID buildUUID) { + stdx::unique_lock<stdx::mutex> lk(_mutex); + + std::shared_ptr<MultiIndexBlockImpl> mib = + std::make_shared<MultiIndexBlockImpl>(opCtx, collection); + invariant(_builders.insert(std::make_pair(buildUUID, mib)).second); +} + +void IndexBuildsManager::_unregisterIndexBuild(const UUID& buildUUID) { + stdx::unique_lock<stdx::mutex> lk(_mutex); + + auto builderIt = _builders.find(buildUUID); + invariant(builderIt != _builders.end()); + _builders.erase(builderIt); +} + +std::shared_ptr<MultiIndexBlock> IndexBuildsManager::_getBuilder(const UUID& buildUUID) { + stdx::unique_lock<stdx::mutex> lk(_mutex); + auto builderIt = _builders.find(buildUUID); + invariant(builderIt != _builders.end()); + return builderIt->second; +} + +} // namespace mongo |