blob: 93898a3af5bebd11eb19c8091c9a651d35567ff2 [file] [log] [blame]
#include <phosphor-logging/elog-errors.hpp>
#include <phosphor-logging/log.hpp>
#include <xyz/openbmc_project/Common/error.hpp>
const char* propIntf = "org.freedesktop.DBus.Properties";
const char* mapperBusName = "xyz.openbmc_project.ObjectMapper";
const char* mapperPath = "/xyz/openbmc_project/object_mapper";
const char* mapperIntf = "xyz.openbmc_project.ObjectMapper";
const char* methodGetObject = "GetObject";
const char* methodGet = "Get";
using namespace phosphor::logging;
using namespace sdbusplus::xyz::openbmc_project::Common::Error;
using Value = std::variant<int64_t, double, std::string, bool>;
std::string getService(sdbusplus::bus::bus& bus, const std::string& path,
const char* intf)
{
/* Get mapper object for sensor path */
auto mapper = bus.new_method_call(mapperBusName, mapperPath, mapperIntf,
methodGetObject);
mapper.append(path.c_str());
mapper.append(std::vector<std::string>({intf}));
std::unordered_map<std::string, std::vector<std::string>> resp;
try
{
auto msg = bus.call(mapper);
msg.read(resp);
}
catch (const sdbusplus::exception::SdBusError& ex)
{
if (ex.name() == std::string(sdbusplus::xyz::openbmc_project::Common::
Error::ResourceNotFound::errName))
{
// The service isn't on D-Bus yet.
return std::string{};
}
throw;
}
if (resp.begin() == resp.end())
{
// Shouldn't happen, if the mapper can't find it it is handled above.
throw std::runtime_error("Unable to find Object: " + path);
}
return resp.begin()->first;
}
template <typename T>
T getDbusProperty(sdbusplus::bus::bus& bus, const std::string& service,
const std::string& path, const std::string& intf,
const std::string& property)
{
Value value;
auto method =
bus.new_method_call(service.c_str(), path.c_str(), propIntf, methodGet);
method.append(intf, property);
auto msg = bus.call(method);
msg.read(value);
return std::get<T>(value);
}