redfish-core/lib/telemetry_service.hpp

#pragma once

#include "app.hpp"
#include "dbus_utility.hpp"
#include "generated/enums/resource.hpp"
#include "query.hpp"
#include "registries/privilege_registry.hpp"
#include "utils/dbus_utils.hpp"
#include "utils/telemetry_utils.hpp"
#include "utils/time_utils.hpp"

#include <sdbusplus/asio/property.hpp>
#include <sdbusplus/unpack_properties.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))
    {
        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";

    sdbusplus::asio::getAllProperties(
        *crow::connections::systemBus, telemetry::service,
        "/xyz/openbmc_project/Telemetry/Reports",
        "xyz.openbmc_project.Telemetry.ReportManager",
        [asyncResp](const boost::system::error_code& ec,
                    const dbus::utility::DBusPropertiesMap& ret) {
        if (ec == boost::system::errc::host_unreachable)
        {
            asyncResp->res.jsonValue["Status"]["State"] =
                resource::State::Absent;
            return;
        }
        if (ec)
        {
            BMCWEB_LOG_ERROR("respHandler DBus error {}", ec);
            messages::internalError(asyncResp->res);
            return;
        }

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

        const size_t* maxReports = nullptr;
        const uint64_t* minInterval = nullptr;

        const bool success = sdbusplus::unpackPropertiesNoThrow(
            dbus_utils::UnpackErrorPrinter(), ret, "MaxReports", maxReports,
            "MinInterval", minInterval);

        if (!success)
        {
            messages::internalError(asyncResp->res);
            return;
        }

        if (maxReports != nullptr)
        {
            asyncResp->res.jsonValue["MaxReports"] = *maxReports;
        }

        if (minInterval != nullptr)
        {
            asyncResp->res.jsonValue["MinCollectionInterval"] =
                time_utils::toDurationString(std::chrono::milliseconds(
                    static_cast<time_t>(*minInterval)));
        }
        nlohmann::json::array_t supportedCollectionFunctions;
        supportedCollectionFunctions.emplace_back("Maximum");
        supportedCollectionFunctions.emplace_back("Minimum");
        supportedCollectionFunctions.emplace_back("Average");
        supportedCollectionFunctions.emplace_back("Summation");

        asyncResp->res.jsonValue["SupportedCollectionFunctions"] =
            std::move(supportedCollectionFunctions);
    });
}

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