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/**
* 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;
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;
Status runAggregation(OperationContext* opCtx,
const AggregateCommand& aggRequest,
std::function<bool(const std::vector<BSONObj>& batch)> callback);
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,
const boost::optional<BSONObj>& hint = boost::none) final;
RSLocalClient _rsLocalClient;
};
} // namespace mongo
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