redfish-core/lib/redfish_util.hpp

/*
// Copyright (c) 2019 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
*/
#ifndef BMCWEB_ENABLE_REDFISH_ONE_CHASSIS
#pragma once

namespace redfish
{

template <typename CallbackFunc>
void getMainChassisId(std::shared_ptr<bmcweb::AsyncResp> asyncResp,
                      CallbackFunc&& callback)
{
    // Find managed chassis
    crow::connections::systemBus->async_method_call(
        [callback,
         asyncResp](const boost::system::error_code ec,
                    const crow::openbmc_mapper::GetSubTreeType& subtree) {
            if (ec)
            {
                BMCWEB_LOG_ERROR << ec;
                return;
            }
            if (subtree.size() == 0)
            {
                BMCWEB_LOG_DEBUG << "Can't find chassis!";
                return;
            }

            std::size_t idPos = subtree[0].first.rfind('/');
            if (idPos == std::string::npos ||
                (idPos + 1) >= subtree[0].first.size())
            {
                messages::internalError(asyncResp->res);
                BMCWEB_LOG_DEBUG << "Can't parse chassis ID!";
                return;
            }
            std::string chassisId = subtree[0].first.substr(idPos + 1);
            BMCWEB_LOG_DEBUG << "chassisId = " << chassisId;
            callback(chassisId, asyncResp);
        },
        "xyz.openbmc_project.ObjectMapper",
        "/xyz/openbmc_project/object_mapper",
        "xyz.openbmc_project.ObjectMapper", "GetSubTree",
        "/xyz/openbmc_project/inventory", 0,
        std::array<const char*, 2>{
            "xyz.openbmc_project.Inventory.Item.Board",
            "xyz.openbmc_project.Inventory.Item.Chassis"});
}
} // namespace redfish
#endif