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Diffstat (limited to 'src/mongo/db/s/shard_local.h')
-rw-r--r-- | src/mongo/db/s/shard_local.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/mongo/db/s/shard_local.h b/src/mongo/db/s/shard_local.h new file mode 100644 index 00000000000..2bce2dad081 --- /dev/null +++ b/src/mongo/db/s/shard_local.h @@ -0,0 +1,100 @@ +/** + * 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. + */ + +#pragma once + +#include "mongo/db/rs_local_client.h" +#include "mongo/s/client/shard.h" + +namespace mongo { + +class ShardLocal : public Shard { + ShardLocal(const ShardLocal&) = delete; + ShardLocal& operator=(const ShardLocal&) = delete; + +public: + explicit ShardLocal(const ShardId& id); + + ~ShardLocal() = default; + + /** + * These functions are implemented for the Shard interface's sake. They should not be called on + * ShardLocal because doing so triggers invariants. + */ + const ConnectionString getConnString() const override; + const ConnectionString originalConnString() const override; + std::shared_ptr<RemoteCommandTargeter> getTargeter() const override; + void updateReplSetMonitor(const HostAndPort& remoteHost, + const Status& remoteCommandStatus) override; + + std::string toString() const override; + + bool isRetriableError(ErrorCodes::Error code, RetryPolicy options) final; + + Status createIndexOnConfig(OperationContext* opCtx, + const NamespaceString& ns, + const BSONObj& keys, + bool unique) override; + + void updateLastCommittedOpTime(LogicalTime lastCommittedOpTime) final; + + LogicalTime getLastCommittedOpTime() const final; + + void runFireAndForgetCommand(OperationContext* opCtx, + const ReadPreferenceSetting& readPref, + const std::string& dbName, + const BSONObj& cmdObj) override; + +private: + StatusWith<Shard::CommandResponse> _runCommand(OperationContext* opCtx, + const ReadPreferenceSetting& unused, + StringData dbName, + Milliseconds maxTimeMSOverrideUnused, + const BSONObj& cmdObj) final; + + StatusWith<Shard::QueryResponse> _runExhaustiveCursorCommand( + OperationContext* opCtx, + const ReadPreferenceSetting& readPref, + StringData dbName, + Milliseconds maxTimeMSOverride, + const BSONObj& cmdObj) final; + + StatusWith<Shard::QueryResponse> _exhaustiveFindOnConfig( + OperationContext* opCtx, + const ReadPreferenceSetting& readPref, + const repl::ReadConcernLevel& readConcernLevel, + const NamespaceString& nss, + const BSONObj& query, + const BSONObj& sort, + boost::optional<long long> limit) final; + + RSLocalClient _rsLocalClient; +}; + +} // namespace mongo |