ipmifan/lm.cpp
2023-05-02 10:58:21 +02:00

70 lines
1.6 KiB
C++

#include "lm.h"
#include <sensors/sensors.h>
std::vector<const sensors_chip_name*> lm_get_chips(const std::string& match)
{
std::vector<const sensors_chip_name*> out;
sensors_chip_name name_glob;
int ret = sensors_parse_chip_name(match.c_str(), &name_glob);
if(ret < 0)
{
std::cerr<<"could not parse chip name\n";
return out;
}
const sensors_chip_name* s_name;
int nr = 0;
do
{
s_name = sensors_get_detected_chips(&name_glob, &nr);
if(s_name)
out.push_back(s_name);
} while(s_name);
sensors_free_chip_name(&name_glob);
return out;
}
std::vector<Sensor> lm_get_temperatures(std::vector<const sensors_chip_name*>& chips)
{
std::vector<Sensor> out;
for(const sensors_chip_name* chip : chips)
{
int nr = 0;
const sensors_feature* feature;
while((feature = sensors_get_features(chip, &nr)))
{
if(feature->type != SENSORS_FEATURE_TEMP)
continue;
const sensors_subfeature* subfeature = sensors_get_subfeature(chip, feature, SENSORS_SUBFEATURE_TEMP_INPUT);
if(!subfeature)
{
std::cerr<<"could not read subfeature\n";
continue;
}
double val = 0;
int ret = sensors_get_value(chip, subfeature->number, &val);
if(ret < 0)
{
std::cerr<<"unable to read temperature for subfeature "
<<subfeature->number<<' '<<subfeature->name<<": "<<sensors_strerror(ret)<<'\n';
continue;
}
char name[256];
sensors_snprintf_chip_name(name, sizeof(name), chip);
Sensor sensor;
sensor.chip.assign(name);
sensor.name.assign(sensors_get_label(chip, feature));
sensor.id = subfeature->number;
sensor.reading = val;
out.push_back(sensor);
}
}
return out;
}