1 2 /** 3 * Copyright (C) 2018-present MongoDB, Inc. 4 * 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the Server Side Public License, version 1, 7 * as published by MongoDB, Inc. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * Server Side Public License for more details. 13 * 14 * You should have received a copy of the Server Side Public License 15 * along with this program. If not, see 16 * <http://www.mongodb.com/licensing/server-side-public-license>. 17 * 18 * As a special exception, the copyright holders give permission to link the 19 * code of portions of this program with the OpenSSL library under certain 20 * conditions as described in each individual source file and distribute 21 * linked combinations including the program with the OpenSSL library. You 22 * must comply with the Server Side Public License in all respects for 23 * all of the code used other than as permitted herein. If you modify file(s) 24 * with this exception, you may extend this exception to your version of the 25 * file(s), but you are not obligated to do so. If you do not wish to do so, 26 * delete this exception statement from your version. If you delete this 27 * exception statement from all source files in the program, then also delete 28 * it in the license file. 29 */ 30 31 #pragma once 32 33 #include "mongo/base/disallow_copying.h" 34 #include "mongo/s/client/rs_local_client.h" 35 #include "mongo/s/client/shard.h" 36 37 namespace mongo { 38 39 class ShardLocal : public Shard { 40 MONGO_DISALLOW_COPYING(ShardLocal); 41 42 public: 43 explicit ShardLocal(const ShardId& id); 44 45 ~ShardLocal() = default; 46 47 /** 48 * These functions are implemented for the Shard interface's sake. They should not be called on 49 * ShardLocal because doing so triggers invariants. 50 */ 51 const ConnectionString getConnString() const override; 52 const ConnectionString originalConnString() const override; 53 std::shared_ptr<RemoteCommandTargeter> getTargeter() const override; 54 void updateReplSetMonitor(const HostAndPort& remoteHost, 55 const Status& remoteCommandStatus) override; 56 57 std::string toString() const override; 58 59 bool isRetriableError(ErrorCodes::Error code, RetryPolicy options) final; 60 61 Status createIndexOnConfig(OperationContext* opCtx, 62 const NamespaceString& ns, 63 const BSONObj& keys, 64 bool unique) override; 65 66 private: 67 StatusWith<Shard::CommandResponse> _runCommand(OperationContext* opCtx, 68 const ReadPreferenceSetting& unused, 69 const std::string& dbName, 70 Milliseconds maxTimeMSOverrideUnused, 71 const BSONObj& cmdObj) final; 72 73 StatusWith<Shard::QueryResponse> _exhaustiveFindOnConfig( 74 OperationContext* opCtx, 75 const ReadPreferenceSetting& readPref, 76 const repl::ReadConcernLevel& readConcernLevel, 77 const NamespaceString& nss, 78 const BSONObj& query, 79 const BSONObj& sort, 80 boost::optional<long long> limit) final; 81 82 RSLocalClient _rsLocalClient; 83 }; 84 85 } // namespace mongo 86