redfish-core/lib/systems.hpp

/*
// Copyright (c) 2018 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.
*/
#pragma once

#include "boost/container/flat_map.hpp"
#include "node.hpp"

#include <error_messages.hpp>
#include <utils/json_utils.hpp>

namespace redfish
{

/**
 * SystemAsyncResp
 * Gathers data needed for response processing after async calls are done
 */
class SystemAsyncResp
{
  public:
    SystemAsyncResp(crow::Response &response) : res(response)
    {
    }

    ~SystemAsyncResp()
    {
        if (res.result() != (boost::beast::http::status::ok))
        {
            // Reset the json object to clear out any data that made it in
            // before the error happened todo(ed) handle error condition with
            // proper code
            res.jsonValue = messages::internalError();
        }
        res.end();
    }

    void setErrorStatus()
    {
        res.result(boost::beast::http::status::internal_server_error);
    }

    crow::Response &res;
};

/**
 * OnDemandSystemsProvider
 * Board provider class that retrieves data directly from dbus, before seting
 * it into JSON output. This does not cache any data.
 *
 * Class can be a good example on how to scale different data providing
 * solutions to produce single schema output.
 *
 * TODO(Pawel)
 * This perhaps shall be different file, which has to be chosen on compile time
 * depending on OEM needs
 */
class OnDemandSystemsProvider
{
  public:
    template <typename CallbackFunc>
    void getBaseboardList(CallbackFunc &&callback)
    {
        BMCWEB_LOG_DEBUG << "Get list of available boards.";
        crow::connections::systemBus->async_method_call(
            [callback{std::move(callback)}](
                const boost::system::error_code ec,
                const std::vector<std::string> &resp) {
                // Callback requires vector<string> to retrieve all available
                // board list.
                std::vector<std::string> boardList;
                if (ec)
                {
                    // Something wrong on DBus, the error_code is not important
                    // at this moment, just return success=false, and empty
                    // output. Since size of vector may vary depending on
                    // information from Entity Manager, and empty output could
                    // not be treated same way as error.
                    callback(false, boardList);
                    return;
                }
                BMCWEB_LOG_DEBUG << "Got " << resp.size() << " boards.";
                // Iterate over all retrieved ObjectPaths.
                for (const std::string &objpath : resp)
                {
                    std::size_t lastPos = objpath.rfind("/");
                    if (lastPos != std::string::npos)
                    {
                        boardList.emplace_back(objpath.substr(lastPos + 1));
                    }
                }
                // Finally make a callback with useful data
                callback(true, boardList);
            },
            "xyz.openbmc_project.ObjectMapper",
            "/xyz/openbmc_project/object_mapper",
            "xyz.openbmc_project.ObjectMapper", "GetSubTreePaths",
            "/xyz/openbmc_project/inventory", int32_t(0),
            std::array<const char *, 1>{
                "xyz.openbmc_project.Inventory.Item.Board"});
    };

    /**
     * @brief Retrieves computer system properties over dbus
     *
     * @param[in] aResp Shared pointer for completing asynchronous calls
     * @param[in] name  Computer system name from request
     *
     * @return None.
     */
    void getComputerSystem(std::shared_ptr<SystemAsyncResp> aResp,
                           const std::string &name)
    {
        const std::array<const char *, 5> interfaces = {
            "xyz.openbmc_project.Inventory.Decorator.Asset",
            "xyz.openbmc_project.Inventory.Item.Cpu",
            "xyz.openbmc_project.Inventory.Item.Dimm",
            "xyz.openbmc_project.Inventory.Item.System",
            "xyz.openbmc_project.Common.UUID",
        };
        BMCWEB_LOG_DEBUG << "Get available system components.";
        crow::connections::systemBus->async_method_call(
            [name, aResp{std::move(aResp)}](
                const boost::system::error_code ec,
                const std::vector<std::pair<
                    std::string, std::vector<std::pair<
                                     std::string, std::vector<std::string>>>>>
                    &subtree) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG << "DBUS response error";
                    aResp->setErrorStatus();
                    return;
                }
                bool foundName = false;
                // Iterate over all retrieved ObjectPaths.
                for (const std::pair<
                         std::string,
                         std::vector<
                             std::pair<std::string, std::vector<std::string>>>>
                         &object : subtree)
                {
                    const std::string &path = object.first;
                    BMCWEB_LOG_DEBUG << "Got path: " << path;
                    const std::vector<
                        std::pair<std::string, std::vector<std::string>>>
                        &connectionNames = object.second;
                    if (connectionNames.size() < 1)
                    {
                        continue;
                    }
                    // Check if computer system exist
                    if (boost::ends_with(path, name))
                    {
                        foundName = true;
                        BMCWEB_LOG_DEBUG << "Found name: " << name;
                        const std::string connectionName =
                            connectionNames[0].first;
                        crow::connections::systemBus->async_method_call(
                            [aResp, name(std::string(name))](
                                const boost::system::error_code ec,
                                const std::vector<
                                    std::pair<std::string, VariantType>>
                                    &propertiesList) {
                                if (ec)
                                {
                                    BMCWEB_LOG_ERROR << "DBUS response error: "
                                                     << ec;
                                    aResp->setErrorStatus();
                                    return;
                                }
                                BMCWEB_LOG_DEBUG << "Got "
                                                 << propertiesList.size()
                                                 << "properties for system";
                                for (const std::pair<std::string, VariantType>
                                         &property : propertiesList)
                                {
                                    const std::string *value =
                                        mapbox::getPtr<const std::string>(
                                            property.second);
                                    if (value != nullptr)
                                    {
                                        aResp->res.jsonValue[property.first] =
                                            *value;
                                    }
                                }
                                aResp->res.jsonValue["Name"] = name;
                                aResp->res.jsonValue["Id"] =
                                    aResp->res.jsonValue["SerialNumber"];
                            },
                            connectionName, path,
                            "org.freedesktop.DBus.Properties", "GetAll",
                            "xyz.openbmc_project.Inventory.Decorator.Asset");
                    }
                    else
                    {
                        // This is not system, so check if it's cpu, dimm, UUID
                        // or BiosVer
                        for (auto const &s : connectionNames)
                        {
                            for (auto const &i : s.second)
                            {
                                if (boost::ends_with(i, "Dimm"))
                                {
                                    BMCWEB_LOG_DEBUG
                                        << "Found Dimm, now get it properties.";
                                    crow::connections::systemBus->async_method_call(
                                        [&, aResp](
                                            const boost::system::error_code ec,
                                            const std::vector<std::pair<
                                                std::string, VariantType>>
                                                &properties) {
                                            if (ec)
                                            {
                                                BMCWEB_LOG_ERROR
                                                    << "DBUS response error "
                                                    << ec;
                                                aResp->setErrorStatus();
                                                return;
                                            }
                                            BMCWEB_LOG_DEBUG
                                                << "Got " << properties.size()
                                                << "Dimm properties.";
                                            for (const auto &p : properties)
                                            {
                                                if (p.first == "MemorySize")
                                                {
                                                    const std::string *value =
                                                        mapbox::getPtr<
                                                            const std::string>(
                                                            p.second);
                                                    if ((value != nullptr) &&
                                                        (*value != "NULL"))
                                                    {
                                                        // Remove units char
                                                        int32_t unitCoeff;
                                                        if (boost::ends_with(
                                                                *value, "MB"))
                                                        {
                                                            unitCoeff = 1000;
                                                        }
                                                        else if (boost::
                                                                     ends_with(
                                                                         *value,
                                                                         "KB"))
                                                        {
                                                            unitCoeff = 1000000;
                                                        }
                                                        else
                                                        {
                                                            BMCWEB_LOG_ERROR
                                                                << "Unsupported"
                                                                   " memory "
                                                                   "units";
                                                            aResp
                                                                ->setErrorStatus();
                                                            return;
                                                        }

                                                        auto memSize =
                                                            boost::lexical_cast<
                                                                int>(value->substr(
                                                                0,
                                                                value->length() -
                                                                    2));
                                                        aResp->res.jsonValue
                                                            ["TotalSystemMemory"
                                                             "GiB"] +=
                                                            memSize * unitCoeff;
                                                        aResp->res.jsonValue
                                                            ["MemorySummary"]
                                                            ["Status"]
                                                            ["State"] =
                                                            "Enabled";
                                                    }
                                                }
                                            }
                                        },
                                        s.first, path,
                                        "org.freedesktop.DBus.Properties",
                                        "GetAll",
                                        "xyz.openbmc_project.Inventory.Item."
                                        "Dimm");
                                }
                                else if (boost::ends_with(i, "Cpu"))
                                {
                                    BMCWEB_LOG_DEBUG
                                        << "Found Cpu, now get it properties.";
                                    crow::connections::systemBus
                                        ->async_method_call(
                                            [&, aResp](
                                                const boost::system::error_code
                                                    ec,
                                                const std::vector<std::pair<
                                                    std::string, VariantType>>
                                                    &properties) {
                                                if (ec)
                                                {
                                                    BMCWEB_LOG_ERROR
                                                        << "DBUS response "
                                                           "error "
                                                        << ec;
                                                    aResp->setErrorStatus();
                                                    return;
                                                }
                                                BMCWEB_LOG_DEBUG
                                                    << "Got "
                                                    << properties.size()
                                                    << "Cpu properties.";
                                                for (const auto &p : properties)
                                                {
                                                    if (p.first ==
                                                        "ProcessorFamily")
                                                    {
                                                        const std::string
                                                            *value =
                                                                mapbox::getPtr<
                                                                    const std::
                                                                        string>(
                                                                    p.second);
                                                        if (value != nullptr)
                                                        {
                                                            aResp->res.jsonValue
                                                                ["ProcessorSumm"
                                                                 "ary"]
                                                                ["Count"] =
                                                                aResp->res
                                                                    .jsonValue
                                                                        ["Proce"
                                                                         "ssorS"
                                                                         "ummar"
                                                                         "y"]
                                                                        ["Coun"
                                                                         "t"]
                                                                    .get<
                                                                        int>() +
                                                                1;
                                                            aResp->res.jsonValue
                                                                ["ProcessorSumm"
                                                                 "ary"]
                                                                ["Status"]
                                                                ["State"] =
                                                                "Enabled";
                                                            aResp->res.jsonValue
                                                                ["ProcessorSumm"
                                                                 "ary"]
                                                                ["Model"] =
                                                                *value;
                                                        }
                                                    }
                                                }
                                            },
                                            s.first, path,
                                            "org.freedesktop.DBus.Properties",
                                            "GetAll",
                                            "xyz.openbmc_project.Inventory."
                                            "Item.Cpu");
                                }
                                else if (boost::ends_with(i, "UUID"))
                                {
                                    BMCWEB_LOG_DEBUG
                                        << "Found UUID, now get it properties.";
                                    crow::connections::systemBus->async_method_call(
                                        [aResp](
                                            const boost::system::error_code ec,
                                            const std::vector<std::pair<
                                                std::string, VariantType>>
                                                &properties) {
                                            if (ec)
                                            {
                                                BMCWEB_LOG_DEBUG
                                                    << "DBUS response error "
                                                    << ec;
                                                aResp->setErrorStatus();
                                                return;
                                            }
                                            BMCWEB_LOG_DEBUG
                                                << "Got " << properties.size()
                                                << "UUID properties.";
                                            for (const std::pair<std::string,
                                                                 VariantType>
                                                     &p : properties)
                                            {
                                                if (p.first == "BIOSVer")
                                                {
                                                    const std::string *value =
                                                        mapbox::getPtr<
                                                            const std::string>(
                                                            p.second);
                                                    if (value != nullptr)
                                                    {
                                                        aResp->res.jsonValue
                                                            ["BiosVersion"] =
                                                            *value;
                                                    }
                                                }
                                                if (p.first == "UUID")
                                                {
                                                    const std::string *value =
                                                        mapbox::getPtr<
                                                            const std::string>(
                                                            p.second);
                                                    BMCWEB_LOG_DEBUG
                                                        << "UUID = " << *value
                                                        << " length "
                                                        << value->length();
                                                    if (value != nullptr)
                                                    {
                                                        // Workaround for to
                                                        // short return str in
                                                        // smbios demo app, 32
                                                        // bytes are described
                                                        // by spec
                                                        if (value->length() >
                                                                0 &&
                                                            value->length() <
                                                                32)
                                                        {
                                                            std::string
                                                                correctedValue =
                                                                    *value;
                                                            correctedValue.append(
                                                                32 -
                                                                    value
                                                                        ->length(),
                                                                '0');
                                                            value =
                                                                &correctedValue;
                                                        }
                                                        else if (
                                                            value->length() ==
                                                            32)
                                                        {
                                                            aResp->res.jsonValue
                                                                ["UUID"] =
                                                                value->substr(
                                                                    0, 8) +
                                                                "-" +
                                                                value->substr(
                                                                    8, 4) +
                                                                "-" +
                                                                value->substr(
                                                                    12, 4) +
                                                                "-" +
                                                                value->substr(
                                                                    16, 4) +
                                                                "-" +
                                                                value->substr(
                                                                    20, 12);
                                                        }
                                                    }
                                                }
                                            }
                                        },
                                        s.first, path,
                                        "org.freedesktop.DBus.Properties",
                                        "GetAll",
                                        "xyz.openbmc_project.Common.UUID");
                                }
                            }
                        }
                    }
                }
                if (foundName == false)
                {
                    aResp->setErrorStatus();
                }
            },
            "xyz.openbmc_project.ObjectMapper",
            "/xyz/openbmc_project/object_mapper",
            "xyz.openbmc_project.ObjectMapper", "GetSubTree",
            "/xyz/openbmc_project/inventory", int32_t(0), interfaces);
    }

    /**
     * @brief Retrieves identify led group properties over dbus
     *
     * @param[in] aResp     Shared pointer for completing asynchronous calls.
     * @param[in] callback  Callback for process retrieved data.
     *
     * @return None.
     */
    template <typename CallbackFunc>
    void getLedGroupIdentify(std::shared_ptr<SystemAsyncResp> aResp,
                             CallbackFunc &&callback)
    {
        BMCWEB_LOG_DEBUG << "Get led groups";
        crow::connections::systemBus->async_method_call(
            [aResp{std::move(aResp)},
             &callback](const boost::system::error_code &ec,
                        const ManagedObjectsType &resp) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG << "DBUS response error " << ec;
                    aResp->setErrorStatus();
                    return;
                }
                BMCWEB_LOG_DEBUG << "Got " << resp.size()
                                 << "led group objects.";
                for (const auto &objPath : resp)
                {
                    const std::string &path = objPath.first;
                    if (path.rfind("enclosure_identify") != std::string::npos)
                    {
                        for (const auto &interface : objPath.second)
                        {
                            if (interface.first ==
                                "xyz.openbmc_project.Led.Group")
                            {
                                for (const auto &property : interface.second)
                                {
                                    if (property.first == "Asserted")
                                    {
                                        const bool *asserted =
                                            mapbox::getPtr<const bool>(
                                                property.second);
                                        if (nullptr != asserted)
                                        {
                                            callback(*asserted, aResp);
                                        }
                                        else
                                        {
                                            callback(false, aResp);
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            },
            "xyz.openbmc_project.LED.GroupManager",
            "/xyz/openbmc_project/led/groups",
            "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
    }

    template <typename CallbackFunc>
    void getLedIdentify(std::shared_ptr<SystemAsyncResp> aResp,
                        CallbackFunc &&callback)
    {
        BMCWEB_LOG_DEBUG << "Get identify led properties";
        crow::connections::systemBus->async_method_call(
            [aResp{std::move(aResp)},
             &callback](const boost::system::error_code ec,
                        const PropertiesType &properties) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG << "DBUS response error " << ec;
                    aResp->setErrorStatus();
                    return;
                }
                BMCWEB_LOG_DEBUG << "Got " << properties.size()
                                 << "led properties.";
                std::string output;
                for (const auto &property : properties)
                {
                    if (property.first == "State")
                    {
                        const std::string *s =
                            mapbox::getPtr<std::string>(property.second);
                        if (nullptr != s)
                        {
                            BMCWEB_LOG_DEBUG << "Identify Led State: " << *s;
                            const auto pos = s->rfind('.');
                            if (pos != std::string::npos)
                            {
                                auto led = s->substr(pos + 1);
                                for (const std::pair<const char *, const char *>
                                         &p :
                                     std::array<
                                         std::pair<const char *, const char *>,
                                         3>{{{"On", "Lit"},
                                             {"Blink", "Blinking"},
                                             {"Off", "Off"}}})
                                {
                                    if (led == p.first)
                                    {
                                        output = p.second;
                                    }
                                }
                            }
                        }
                    }
                }
                callback(output, aResp);
            },
            "xyz.openbmc_project.LED.Controller.identify",
            "/xyz/openbmc_project/led/physical/identify",
            "org.freedesktop.DBus.Properties", "GetAll",
            "xyz.openbmc_project.Led.Physical");
    }

    /**
     * @brief Retrieves host state properties over dbus
     *
     * @param[in] aResp     Shared pointer for completing asynchronous calls.
     *
     * @return None.
     */
    void getHostState(std::shared_ptr<SystemAsyncResp> aResp)
    {
        BMCWEB_LOG_DEBUG << "Get host information.";
        crow::connections::systemBus->async_method_call(
            [aResp{std::move(aResp)}](const boost::system::error_code ec,
                                      const PropertiesType &properties) {
                if (ec)
                {
                    BMCWEB_LOG_DEBUG << "DBUS response error " << ec;
                    aResp->setErrorStatus();
                    return;
                }
                BMCWEB_LOG_DEBUG << "Got " << properties.size()
                                 << "host properties.";
                for (const auto &property : properties)
                {
                    if (property.first == "CurrentHostState")
                    {
                        const std::string *s =
                            mapbox::getPtr<const std::string>(property.second);
                        BMCWEB_LOG_DEBUG << "Host state: " << *s;
                        if (nullptr != s)
                        {
                            const auto pos = s->rfind('.');
                            if (pos != std::string::npos)
                            {
                                // Verify Host State
                                if (s->substr(pos + 1) == "Running")
                                {
                                    aResp->res.jsonValue["PowerState"] = "On";
                                    aResp->res.jsonValue["Status"]["State"] =
                                        "Enabled";
                                }
                                else
                                {
                                    aResp->res.jsonValue["PowerState"] = "Off";
                                    aResp->res.jsonValue["Status"]["State"] =
                                        "Disabled";
                                }
                            }
                        }
                    }
                }
            },
            "xyz.openbmc_project.State.Host",
            "/xyz/openbmc_project/state/host0",
            "org.freedesktop.DBus.Properties", "GetAll",
            "xyz.openbmc_project.State.Host");
    }
};

/**
 * SystemsCollection derived class for delivering ComputerSystems Collection
 * Schema
 */
class SystemsCollection : public Node
{
  public:
    SystemsCollection(CrowApp &app) : Node(app, "/redfish/v1/Systems/")
    {
        Node::json["@odata.type"] =
            "#ComputerSystemCollection.ComputerSystemCollection";
        Node::json["@odata.id"] = "/redfish/v1/Systems";
        Node::json["@odata.context"] =
            "/redfish/v1/"
            "$metadata#ComputerSystemCollection.ComputerSystemCollection";
        Node::json["Name"] = "Computer System Collection";

        entityPrivileges = {
            {boost::beast::http::verb::get, {{"Login"}}},
            {boost::beast::http::verb::head, {{"Login"}}},
            {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
            {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
            {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
            {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
    }

  private:
    /**
     * Functions triggers appropriate requests on DBus
     */
    void doGet(crow::Response &res, const crow::Request &req,
               const std::vector<std::string> &params) override
    {
        // Get board list, and call the below callback for JSON preparation
        provider.getBaseboardList([&](const bool &success,
                                      const std::vector<std::string> &output) {
            if (success)
            {
                // ... prepare json array with appropriate @odata.id links
                nlohmann::json boardArray = nlohmann::json::array();
                for (const std::string &boardItem : output)
                {
                    boardArray.push_back(
                        {{"@odata.id", "/redfish/v1/Systems/" + boardItem}});
                }
                // Then attach members, count size and return,
                Node::json["Members"] = boardArray;
                Node::json["Members@odata.count"] = boardArray.size();
                res.jsonValue = Node::json;
            }
            else
            {
                // ... otherwise, return INTERNALL ERROR
                res.result(boost::beast::http::status::internal_server_error);
            }
            res.end();
        });
    }

    OnDemandSystemsProvider provider;
};

/**
 * Systems override class for delivering ComputerSystems Schema
 */
class Systems : public Node
{
  public:
    /*
     * Default Constructor
     */
    Systems(CrowApp &app) :
        Node(app, "/redfish/v1/Systems/<str>/", std::string())
    {
        Node::json["@odata.type"] = "#ComputerSystem.v1_3_0.ComputerSystem";
        Node::json["@odata.context"] =
            "/redfish/v1/$metadata#ComputerSystem.ComputerSystem";
        Node::json["SystemType"] = "Physical";
        Node::json["Description"] = "Computer System";
        Node::json["Boot"]["BootSourceOverrideEnabled"] =
            "Disabled"; // TODO(Dawid), get real boot data
        Node::json["Boot"]["BootSourceOverrideTarget"] =
            "None"; // TODO(Dawid), get real boot data
        Node::json["Boot"]["BootSourceOverrideMode"] =
            "Legacy"; // TODO(Dawid), get real boot data
        Node::json["Boot"]["BootSourceOverrideTarget@Redfish.AllowableValues"] =
            {"None",      "Pxe",       "Hdd", "Cd",
             "BiosSetup", "UefiShell", "Usb"}; // TODO(Dawid), get real boot
                                               // data
        Node::json["ProcessorSummary"]["Count"] = int(0);
        Node::json["ProcessorSummary"]["Status"]["State"] = "Disabled";
        Node::json["MemorySummary"]["TotalSystemMemoryGiB"] = int(0);
        Node::json["MemorySummary"]["Status"]["State"] = "Disabled";

        entityPrivileges = {
            {boost::beast::http::verb::get, {{"Login"}}},
            {boost::beast::http::verb::head, {{"Login"}}},
            {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
            {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
            {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
            {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
    }

  private:
    OnDemandSystemsProvider provider;

    /**
     * Functions triggers appropriate requests on DBus
     */
    void doGet(crow::Response &res, const crow::Request &req,
               const std::vector<std::string> &params) override
    {
        // Check if there is required param, truly entering this shall be
        // impossible
        if (params.size() != 1)
        {
            res.result(boost::beast::http::status::internal_server_error);
            res.end();
            return;
        }

        const std::string &name = params[0];

        res.jsonValue = Node::json;
        res.jsonValue["@odata.id"] = "/redfish/v1/Systems/" + name;

        auto asyncResp = std::make_shared<SystemAsyncResp>(res);

        provider.getLedGroupIdentify(
            asyncResp, [&](const bool &asserted,
                           const std::shared_ptr<SystemAsyncResp> &aResp) {
                if (asserted)
                {
                    // If led group is asserted, then another call is needed to
                    // get led status
                    provider.getLedIdentify(
                        aResp,
                        [](const std::string &ledStatus,
                           const std::shared_ptr<SystemAsyncResp> &aResp) {
                            if (!ledStatus.empty())
                            {
                                aResp->res.jsonValue["IndicatorLED"] =
                                    ledStatus;
                            }
                        });
                }
                else
                {
                    aResp->res.jsonValue["IndicatorLED"] = "Off";
                }
            });
        provider.getComputerSystem(asyncResp, name);
        provider.getHostState(asyncResp);
    }

    void doPatch(crow::Response &res, const crow::Request &req,
                 const std::vector<std::string> &params) override
    {
        // Check if there is required param, truly entering this shall be
        // impossible
        if (params.size() != 1)
        {
            res.result(boost::beast::http::status::internal_server_error);
            res.end();
            return;
        }
        // Parse JSON request body
        nlohmann::json patch;
        if (!json_util::processJsonFromRequest(res, req, patch))
        {
            return;
        }
        // Find key with new led value
        const std::string &name = params[0];
        const std::string *reqLedState = nullptr;
        json_util::Result r = json_util::getString(
            "IndicatorLED", patch, reqLedState,
            static_cast<int>(json_util::MessageSetting::TYPE_ERROR) |
                static_cast<int>(json_util::MessageSetting::MISSING),
            res.jsonValue, std::string("/" + name + "/IndicatorLED"));
        if ((r != json_util::Result::SUCCESS) || (reqLedState == nullptr))
        {
            res.result(boost::beast::http::status::bad_request);
            res.end();
            return;
        }
        // Verify key value
        std::string dbusLedState;
        for (const auto &p :
             boost::container::flat_map<const char *, const char *>{
                 {"On", "Lit"}, {"Blink", "Blinking"}, {"Off", "Off"}})
        {
            if (*reqLedState == p.second)
            {
                dbusLedState = p.first;
            }
        }

        // Update led status
        auto asyncResp = std::make_shared<SystemAsyncResp>(res);
        res.jsonValue = Node::json;
        res.jsonValue["@odata.id"] = "/redfish/v1/Systems/" + name;

        provider.getHostState(asyncResp);
        provider.getComputerSystem(asyncResp, name);

        if (dbusLedState.empty())
        {
            messages::addMessageToJsonRoot(
                res.jsonValue,
                messages::propertyValueNotInList(*reqLedState, "IndicatorLED"));
        }
        else
        {
            // Update led group
            BMCWEB_LOG_DEBUG << "Update led group.";
            crow::connections::systemBus->async_method_call(
                [&, asyncResp{std::move(asyncResp)}](
                    const boost::system::error_code ec) {
                    if (ec)
                    {
                        BMCWEB_LOG_DEBUG << "DBUS response error " << ec;
                        asyncResp->setErrorStatus();
                        return;
                    }
                    BMCWEB_LOG_DEBUG << "Led group update done.";
                },
                "xyz.openbmc_project.LED.GroupManager",
                "/xyz/openbmc_project/led/groups/enclosure_identify",
                "org.freedesktop.DBus.Properties", "Set",
                "xyz.openbmc_project.Led.Group", "Asserted",
                sdbusplus::message::variant<bool>(
                    (dbusLedState == "Off" ? false : true)));
            // Update identify led status
            BMCWEB_LOG_DEBUG << "Update led SoftwareInventoryCollection.";
            crow::connections::systemBus->async_method_call(
                [&, asyncResp{std::move(asyncResp)}](
                    const boost::system::error_code ec) {
                    if (ec)
                    {
                        BMCWEB_LOG_DEBUG << "DBUS response error " << ec;
                        asyncResp->setErrorStatus();
                        return;
                    }
                    BMCWEB_LOG_DEBUG << "Led state update done.";
                    res.jsonValue["IndicatorLED"] = *reqLedState;
                },
                "xyz.openbmc_project.LED.Controller.identify",
                "/xyz/openbmc_project/led/physical/identify",
                "org.freedesktop.DBus.Properties", "Set",
                "xyz.openbmc_project.Led.Physical", "State",
                sdbusplus::message::variant<std::string>(
                    "xyz.openbmc_project.Led.Physical.Action." + dbusLedState));
        }
    }
};
} // namespace redfish