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/**
* Copyright (C) 2018 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 <http://www.gnu.org/licenses/>.
*
* 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 <vector>
#include "mongo/bson/bsonobj.h"
#include "mongo/db/pipeline/mongo_process_interface.h"
namespace mongo {
/**
* MongoProcessCommon provides base implementations of any MongoProcessInterface methods whose code
* is largely identical on mongoD and mongoS.
*/
class MongoProcessCommon : public MongoProcessInterface {
public:
virtual ~MongoProcessCommon() = default;
/**
* Returns true if the field names of 'keyPattern' are exactly those in 'uniqueKeyPaths', and
* each of the elements of 'keyPattern' is numeric, i.e. not "text", "$**", or any other special
* type of index.
*/
static bool keyPatternNamesExactPaths(const BSONObj& keyPattern,
const std::set<FieldPath>& uniqueKeyPaths);
std::vector<BSONObj> getCurrentOps(const boost::intrusive_ptr<ExpressionContext>& expCtx,
CurrentOpConnectionsMode connMode,
CurrentOpSessionsMode sessionMode,
CurrentOpUserMode userMode,
CurrentOpTruncateMode truncateMode,
CurrentOpCursorMode cursorMode) const final;
protected:
/**
* Returns a BSONObj representing a report of the operation which is currently being
* executed by the supplied client. This method is called by the getCurrentOps method of
* MongoProcessCommon to delegate to the mongoS- or mongoD- specific implementation.
*/
virtual BSONObj _reportCurrentOpForClient(OperationContext* opCtx,
Client* client,
CurrentOpTruncateMode truncateOps) const = 0;
/**
* Iterates through all entries in the local SessionCatalog, and adds an entry to the 'ops'
* vector for each idle session that has stashed its transaction locks while sleeping.
*/
virtual void _reportCurrentOpsForIdleSessions(OperationContext* opCtx,
CurrentOpUserMode userMode,
std::vector<BSONObj>* ops) const = 0;
};
} // namespace mongo
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