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#include <sdbusplus/exception.hpp>
#include "tach_sensor.hpp"
#include "fan_enclosure.hpp"
namespace phosphor
{
namespace fan
{
namespace presence
{
bool TachSensor::isPresent()
{
return (tach != 0);
}
// Tach signal callback handler
int TachSensor::handleTachChangeSignal(sd_bus_message* msg,
void* usrData,
sd_bus_error* err)
{
auto sdbpMsg = sdbusplus::message::message(msg);
static_cast<TachSensor*>(usrData)->handleTachChange(sdbpMsg, err);
return 0;
}
void TachSensor::handleTachChange(sdbusplus::message::message& sdbpMsg,
sd_bus_error* err)
{
std::string msgSensor;
std::map<std::string, sdbusplus::message::variant<int64_t>> msgData;
sdbpMsg.read(msgSensor, msgData);
// TODO openbmc/phosphor-fan-presence#5
// Update to use 'arg0namespace' match option to reduce dbus traffic
// Find interface with value property
if (msgSensor.compare("xyz.openbmc_project.Sensor.Value") == 0)
{
// Find the 'Value' property containing tach
auto valPropMap = msgData.find("Value");
if (valPropMap != msgData.end())
{
tach = sdbusplus::message::variant_ns::get<int64_t>(
valPropMap->second);
}
}
// Update inventory according to latest tach reported
fanEnc.updInventory();
}
} // namespace presence
} // namespace fan
} // namespace phosphor
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