utils.cpp

#include "utils.hpp"

#include <array>
#include <ctime>
#include <iostream>
#include <map>
#include <stdexcept>
#include <string>
#include <vector>
#include <xyz/openbmc_project/Common/error.hpp>

namespace pldm
{
namespace utils
{

constexpr auto mapperBusName = "xyz.openbmc_project.ObjectMapper";
constexpr auto mapperPath = "/xyz/openbmc_project/object_mapper";
constexpr auto mapperInterface = "xyz.openbmc_project.ObjectMapper";

uint8_t getNumPadBytes(uint32_t data)
{
    uint8_t pad;
    pad = ((data % 4) ? (4 - data % 4) : 0);
    return pad;
} // end getNumPadBytes

bool uintToDate(uint64_t data, uint16_t* year, uint8_t* month, uint8_t* day,
                uint8_t* hour, uint8_t* min, uint8_t* sec)
{
    constexpr uint64_t max_data = 29991231115959;
    constexpr uint64_t min_data = 19700101000000;
    if (data < min_data || data > max_data)
    {
        return false;
    }

    *year = data / 10000000000;
    data = data % 10000000000;
    *month = data / 100000000;
    data = data % 100000000;
    *day = data / 1000000;
    data = data % 1000000;
    *hour = data / 10000;
    data = data % 10000;
    *min = data / 100;
    *sec = data % 100;

    return true;
}

bool decodeEffecterData(const std::vector<uint8_t>& effecterData,
                        uint16_t& effecter_id,
                        std::vector<set_effecter_state_field>& stateField)
{
    int flag = 0;
    for (auto data : effecterData)
    {
        switch (flag)
        {
            case 0:
                effecter_id = data;
                flag = 1;
                break;
            case 1:
                if (data == PLDM_REQUEST_SET)
                {
                    flag = 2;
                }
                else
                {
                    stateField.push_back({PLDM_NO_CHANGE, 0});
                }
                break;
            case 2:
                stateField.push_back({PLDM_REQUEST_SET, data});
                flag = 1;
                break;
            default:
                break;
        }
    }

    if (stateField.size() < 1 || stateField.size() > 8)
    {
        return false;
    }

    return true;
}

std::string DBusHandler::getService(const char* path,
                                    const char* interface) const
{
    using DbusInterfaceList = std::vector<std::string>;
    std::map<std::string, std::vector<std::string>> mapperResponse;
    auto& bus = DBusHandler::getBus();

    auto mapper = bus.new_method_call(mapperBusName, mapperPath,
                                      mapperInterface, "GetObject");
    mapper.append(path, DbusInterfaceList({interface}));

    auto mapperResponseMsg = bus.call(mapper);
    mapperResponseMsg.read(mapperResponse);
    return mapperResponse.begin()->first;
}

void reportError(const char* errorMsg)
{
    static constexpr auto logObjPath = "/xyz/openbmc_project/logging";
    static constexpr auto logInterface = "xyz.openbmc_project.Logging.Create";

    auto& bus = pldm::utils::DBusHandler::getBus();

    try
    {
        auto service = DBusHandler().getService(logObjPath, logInterface);
        using namespace sdbusplus::xyz::openbmc_project::Logging::server;
        auto severity =
            sdbusplus::xyz::openbmc_project::Logging::server::convertForMessage(
                sdbusplus::xyz::openbmc_project::Logging::server::Entry::Level::
                    Error);
        auto method = bus.new_method_call(service.c_str(), logObjPath,
                                          logInterface, "Create");
        std::map<std::string, std::string> addlData{};
        method.append(errorMsg, severity, addlData);
        bus.call_noreply(method);
    }
    catch (const std::exception& e)
    {
        std::cerr << "failed to make a d-bus call to create error log, ERROR="
                  << e.what() << "\n";
    }
}

} // namespace utils
} // namespace pldm