blob: 7e1f9a57846a0a428881bafead54c30d61a01cb4 [file] [log] [blame]
#include <iostream>
#include "dbus/util.hpp"
using Property = std::string;
using Value = sdbusplus::message::variant<int64_t, std::string>;
using PropertyMap = std::map<Property, Value>;
/* TODO(venture): Basically all phosphor apps need this, maybe it should be a
* part of sdbusplus. There is an old version in libmapper.
*/
std::string GetService(sdbusplus::bus::bus& bus,
const std::string& intf,
const std::string& path)
{
auto mapper = bus.new_method_call(
"xyz.openbmc_project.ObjectMapper",
"/xyz/openbmc_project/object_mapper",
"xyz.openbmc_project.ObjectMapper",
"GetObject");
mapper.append(path);
mapper.append(std::vector<std::string>({intf}));
auto responseMsg = bus.call(mapper);
if (responseMsg.is_method_error())
{
throw std::runtime_error("ObjectMapper Call Failure");
}
std::map<std::string, std::vector<std::string>> response;
responseMsg.read(response);
if (response.begin() == response.end())
{
throw std::runtime_error("Unable to find Object: " + path);
}
return response.begin()->first;
}
void GetProperties(sdbusplus::bus::bus& bus,
const std::string& service,
const std::string& path,
struct SensorProperties* prop)
{
auto pimMsg = bus.new_method_call(service.c_str(),
path.c_str(),
propertiesintf.c_str(),
"GetAll");
pimMsg.append(sensorintf);
auto valueResponseMsg = bus.call(pimMsg);
if (valueResponseMsg.is_method_error())
{
std::cerr << "Error in value call\n";
throw std::runtime_error("ERROR in value call.");
}
// The PropertyMap returned will look like this because it's always
// reading a Sensor.Value interface.
// a{sv} 3:
// "Value" x 24875
// "Unit" s "xyz.openbmc_project.Sensor.Value.Unit.DegreesC"
// "Scale" x -3
PropertyMap propMap;
valueResponseMsg.read(propMap);
// If no error was set, the values should all be there.
prop->unit = sdbusplus::message::variant_ns::get<std::string>(propMap["Unit"]);
prop->scale = sdbusplus::message::variant_ns::get<int64_t>(propMap["Scale"]);
prop->value = sdbusplus::message::variant_ns::get<int64_t>(propMap["Value"]);
return;
}
std::string GetSensorPath(const std::string& type, const std::string& id)
{
std::string layer = type;
if (type == "fan")
{
layer = "fan_tach";
}
else if (type == "temp")
{
layer = "temperature";
}
else
{
layer = "unknown"; // TODO(venture): Need to handle.
}
return std::string("/xyz/openbmc_project/sensors/" + layer + "/" + id);
}
std::string GetMatch(const std::string& type, const std::string& id)
{
return std::string("type='signal',"
"interface='org.freedesktop.DBus.Properties',"
"member='PropertiesChanged',"
"path='" + GetSensorPath(type, id) + "'");
}