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/**
* Copyright (C) 2016 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 "mongo/base/disallow_copying.h"
#include "mongo/db/dbmessage.h"
#include "mongo/transport/session.h"
namespace mongo {
/**
* This is the entrypoint from the transport layer into mongod or mongos.
*
* The ServiceEntryPoint accepts new Sessions from the TransportLayer, and is
* responsible for running these Sessions in a get-Message, run-Message,
* reply-with-Message loop. It may not do this on the TransportLayer’s thread.
*/
class ServiceEntryPoint {
MONGO_DISALLOW_COPYING(ServiceEntryPoint);
public:
virtual ~ServiceEntryPoint() = default;
/**
* Begin running a new Session. This method returns immediately.
*/
virtual void startSession(transport::SessionHandle session) = 0;
/**
* Processes a request and fills out a DbResponse.
*/
virtual DbResponse handleRequest(OperationContext* opCtx,
const Message& request,
const HostAndPort& client) = 0;
protected:
ServiceEntryPoint() = default;
};
} // namespace mongo
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