replica_set_monitor_server_parameters.cpp

/**
 *    Copyright (C) 2020-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.
 */

#include "mongo/client/replica_set_monitor_server_parameters.h"

#include "mongo/base/status.h"
#include "mongo/client/replica_set_monitor_server_parameters_gen.h"
#include "mongo/util/str.h"

namespace mongo {

ReplicaSetMonitorProtocol gReplicaSetMonitorProtocol{ReplicaSetMonitorProtocol::kStreamable};

std::string toString(ReplicaSetMonitorProtocol protocol) {
    if (protocol == ReplicaSetMonitorProtocol::kScanning) {
        return "scanning";
    } else if (protocol == ReplicaSetMonitorProtocol::kStreamable) {
        return "streamable";
    } else {
        return "sdam";
    }
}

void RSMProtocolServerParameter::append(OperationContext*,
                                        BSONObjBuilder& builder,
                                        const std::string& name) {
    builder.append(name, toString(gReplicaSetMonitorProtocol));
}

Status RSMProtocolServerParameter::setFromString(const std::string& protocolStr) {
    if (protocolStr == toString(ReplicaSetMonitorProtocol::kScanning)) {
        gReplicaSetMonitorProtocol = ReplicaSetMonitorProtocol::kScanning;
    } else if (protocolStr == toString(ReplicaSetMonitorProtocol::kStreamable)) {
        gReplicaSetMonitorProtocol = ReplicaSetMonitorProtocol::kStreamable;
    } else if (protocolStr == toString(ReplicaSetMonitorProtocol::kSdam)) {
        gReplicaSetMonitorProtocol = ReplicaSetMonitorProtocol::kSdam;
    } else {
        return Status{ErrorCodes::BadValue,
                      str::stream()
                          << "Unrecognized replicaSetMonitorProtocol '" << protocolStr << "'"};
    }
    return Status::OK();
}

}  // namespace mongo