/**
* Copyright (C) 2015 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*
* 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 GNU Affero General 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
#include
#include "mongo/bson/oid.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/namespace_string.h"
#include "mongo/db/write_concern_options.h"
#include "mongo/s/catalog/dist_lock_catalog.h"
#include "mongo/util/time_support.h"
namespace mongo {
class FindAndModifyRequest;
struct ReadPreferenceSetting;
class DistLockCatalogImpl final : public DistLockCatalog {
public:
DistLockCatalogImpl();
~DistLockCatalogImpl();
StatusWith getPing(OperationContext* opCtx, StringData processID) override;
Status ping(OperationContext* opCtx, StringData processID, Date_t ping) override;
StatusWith grabLock(OperationContext* opCtx,
StringData lockID,
const OID& lockSessionID,
StringData who,
StringData processId,
Date_t time,
StringData why,
const WriteConcernOptions& writeConcern) override;
StatusWith overtakeLock(OperationContext* opCtx,
StringData lockID,
const OID& lockSessionID,
const OID& currentHolderTS,
StringData who,
StringData processId,
Date_t time,
StringData why) override;
Status unlock(OperationContext* opCtx, const OID& lockSessionID) override;
Status unlock(OperationContext* opCtx, const OID& lockSessionID, StringData name) override;
Status unlockAll(OperationContext* opCtx, const std::string& processID) override;
StatusWith getServerInfo(OperationContext* opCtx) override;
StatusWith getLockByTS(OperationContext* opCtx, const OID& lockSessionID) override;
StatusWith getLockByName(OperationContext* opCtx, StringData name) override;
Status stopPing(OperationContext* opCtx, StringData processId) override;
private:
Status _unlock(OperationContext* opCtx, const FindAndModifyRequest& request);
StatusWith> _findOnConfig(OperationContext* opCtx,
const ReadPreferenceSetting& readPref,
const NamespaceString& nss,
const BSONObj& query,
const BSONObj& sort,
boost::optional limit);
// These are not static to avoid initialization order fiasco.
const NamespaceString _lockPingNS;
const NamespaceString _locksNS;
};
} // namespace mongo