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path: root/src/mongo/db/initialize_operation_session_info.h
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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/logical_session_id.h"

namespace mongo {

/**
 * Parses the session information from the body of a request and stores the sessionId and txnNumber
 * on the current operation context. Must only be called once per operation and should be done right
 * in the beginning. Note that the session info will be stored in the operation context and returned
 * only if the current request supports it. For example, if attachToOpCtx is false or this is called
 * within the context of DBDirectClient.
 *
 * Throws if the sessionId/txnNumber combination is not properly formatted.
 *
 * requiresAuth specifies if the command we're initializing operationSessionInfo for requires
 * authorization or not.  This can be determined by invoking ->requiresAuth() on the parsed command.
 * If it does not require authorization, return boost::none.
 *
 * isReplSetMemberOrMongos needs to be true if the command contains a transaction number, otherwise
 * this function will throw.
 */
OperationSessionInfoFromClient initializeOperationSessionInfo(OperationContext* opCtx,
                                                              const BSONObj& requestBody,
                                                              bool requiresAuth,
                                                              bool attachToOpCtx,
                                                              bool isReplSetMemberOrMongos);

}  // namespace mongo