redfish-core/lib/telemetry_service.hpp

#pragma once

#include "utils/telemetry_utils.hpp"

#include <app.hpp>
#include <dbus_utility.hpp>
#include <query.hpp>
#include <registries/privilege_registry.hpp>

namespace redfish
{

inline void handleTelemetryServiceGet(
    crow::App& app, const crow::Request& req,
    const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
{
    if (!redfish::setUpRedfishRoute(app, req, asyncResp->res))
    {
        return;
    }
    asyncResp->res.jsonValue["@odata.type"] =
        "#TelemetryService.v1_2_1.TelemetryService";
    asyncResp->res.jsonValue["@odata.id"] = "/redfish/v1/TelemetryService";
    asyncResp->res.jsonValue["Id"] = "TelemetryService";
    asyncResp->res.jsonValue["Name"] = "Telemetry Service";

    asyncResp->res.jsonValue["MetricReportDefinitions"]["@odata.id"] =
        "/redfish/v1/TelemetryService/MetricReportDefinitions";
    asyncResp->res.jsonValue["MetricReports"]["@odata.id"] =
        "/redfish/v1/TelemetryService/MetricReports";
    asyncResp->res.jsonValue["Triggers"]["@odata.id"] =
        "/redfish/v1/TelemetryService/Triggers";

    crow::connections::systemBus->async_method_call(
        [asyncResp](const boost::system::error_code ec,
                    const dbus::utility::DBusPropertiesMap& ret) {
        if (ec == boost::system::errc::host_unreachable)
        {
            asyncResp->res.jsonValue["Status"]["State"] = "Absent";
            return;
        }
        if (ec)
        {
            BMCWEB_LOG_ERROR << "respHandler DBus error " << ec;
            messages::internalError(asyncResp->res);
            return;
        }

        asyncResp->res.jsonValue["Status"]["State"] = "Enabled";

        const size_t* maxReports = nullptr;
        const uint64_t* minInterval = nullptr;
        for (const auto& [key, var] : ret)
        {
            if (key == "MaxReports")
            {
                maxReports = std::get_if<size_t>(&var);
            }
            else if (key == "MinInterval")
            {
                minInterval = std::get_if<uint64_t>(&var);
            }
        }
        if (maxReports == nullptr || minInterval == nullptr)
        {
            BMCWEB_LOG_ERROR << "Property type mismatch or property is missing";
            messages::internalError(asyncResp->res);
            return;
        }

        asyncResp->res.jsonValue["MaxReports"] = *maxReports;
        asyncResp->res.jsonValue["MinCollectionInterval"] =
            time_utils::toDurationString(
                std::chrono::milliseconds(static_cast<time_t>(*minInterval)));
        },
        telemetry::service, "/xyz/openbmc_project/Telemetry/Reports",
        "org.freedesktop.DBus.Properties", "GetAll",
        "xyz.openbmc_project.Telemetry.ReportManager");
}

inline void requestRoutesTelemetryService(App& app)
{
    BMCWEB_ROUTE(app, "/redfish/v1/TelemetryService/")
        .privileges(redfish::privileges::getTelemetryService)
        .methods(boost::beast::http::verb::get)(
            std::bind_front(handleTelemetryServiceGet, std::ref(app)));
}

} // namespace redfish