void Hwmon::start() {
for (HwmonCounter * counter = counters; counter != NULL; counter = counter->getNext()) {
if (!counter->isEnabled()) {
continue;
}
counter->read();
}
}
void Hwmon::read(Buffer * const buffer) {
for (HwmonCounter * counter = counters; counter != NULL; counter = counter->getNext()) {
if (!counter->isEnabled()) {
continue;
}
buffer->event(counter->getKey(), counter->read());
}
}
bool Hwmon::countersEnabled() const {
for (HwmonCounter * counter = counters; counter != NULL; counter = counter->getNext()) {
if (counter->isEnabled()) {
return true;
}
}
return false;
}
Hwmon::~Hwmon() {
while (counters != NULL) {
HwmonCounter * counter = counters;
counters = counter->getNext();
delete counter;
}
sensors_cleanup();
}
HwmonCounter *Hwmon::findCounter(const Counter &counter) const {
for (HwmonCounter * hwmonCounter = counters; hwmonCounter != NULL; hwmonCounter = hwmonCounter->getNext()) {
if (hwmonCounter->canRead() && strcmp(hwmonCounter->getName(), counter.getType()) == 0) {
return hwmonCounter;
}
}
return NULL;
}
int Hwmon::writeCounters(mxml_node_t *root) const {
int count = 0;
for (HwmonCounter * counter = counters; counter != NULL; counter = counter->getNext()) {
if (!counter->canRead()) {
continue;
}
mxml_node_t *node = mxmlNewElement(root, "counter");
mxmlElementSetAttr(node, "name", counter->getName());
++count;
}
return count;
}
HwmonCounter::HwmonCounter(DriverCounter *next, char *const name, const sensors_chip_name *chip, const sensors_feature *feature) : DriverCounter(next, name), chip(chip), feature(feature), duplicate(false) {
label = sensors_get_label(chip, feature);
switch (feature->type) {
case SENSORS_FEATURE_IN:
title = "Voltage";
display = "maximum";
counter_class = "absolute";
unit = "V";
modifier = 1000;
monotonic = false;
break;
case SENSORS_FEATURE_FAN:
title = "Fan";
display = "average";
counter_class = "absolute";
unit = "RPM";
modifier = 1;
monotonic = false;
break;
case SENSORS_FEATURE_TEMP:
title = "Temperature";
display = "maximum";
counter_class = "absolute";
unit = "°C";
modifier = 1000;
monotonic = false;
break;
case SENSORS_FEATURE_POWER:
title = "Power";
display = "maximum";
counter_class = "absolute";
unit = "W";
modifier = 1000000;
monotonic = false;
break;
case SENSORS_FEATURE_ENERGY:
title = "Energy";
display = "accumulate";
counter_class = "delta";
unit = "J";
modifier = 1000000;
monotonic = true;
break;
case SENSORS_FEATURE_CURR:
title = "Current";
display = "maximum";
counter_class = "absolute";
unit = "A";
modifier = 1000;
monotonic = false;
break;
case SENSORS_FEATURE_HUMIDITY:
title = "Humidity";
display = "average";
counter_class = "absolute";
unit = "%";
modifier = 1000;
monotonic = false;
break;
default:
logg->logError(__FILE__, __LINE__, "Unsupported hwmon feature %i", feature->type);
handleException();
}
for (HwmonCounter * counter = static_cast<HwmonCounter *>(next); counter != NULL; counter = static_cast<HwmonCounter *>(counter->getNext())) {
if (strcmp(label, counter->getLabel()) == 0 && strcmp(title, counter->getTitle()) == 0) {
duplicate = true;
counter->duplicate = true;
break;
}
}
}
void HwmonDriver::writeEvents(mxml_node_t *root) const {
root = mxmlNewElement(root, "category");
mxmlElementSetAttr(root, "name", "hwmon");
char buf[1024];
for (HwmonCounter *counter = static_cast<HwmonCounter *>(getCounters()); counter != NULL; counter = static_cast<HwmonCounter *>(counter->getNext())) {
mxml_node_t *node = mxmlNewElement(root, "event");
mxmlElementSetAttr(node, "counter", counter->getName());
mxmlElementSetAttr(node, "title", counter->getTitle());
if (counter->isDuplicate()) {
mxmlElementSetAttrf(node, "name", "%s (0x%x)", counter->getLabel(), counter->getKey());
} else {
mxmlElementSetAttr(node, "name", counter->getLabel());
}
mxmlElementSetAttr(node, "display", counter->getDisplay());
mxmlElementSetAttr(node, "class", counter->getCounterClass());
mxmlElementSetAttr(node, "units", counter->getUnit());
if (counter->getModifier() != 1) {
mxmlElementSetAttrf(node, "modifier", "%d", counter->getModifier());
}
if (strcmp(counter->getDisplay(), "average") == 0 || strcmp(counter->getDisplay(), "maximum") == 0) {
mxmlElementSetAttr(node, "average_selection", "yes");
}
snprintf(buf, sizeof(buf), "libsensors %s sensor %s (%s)", counter->getTitle(), counter->getLabel(), counter->getName());
mxmlElementSetAttr(node, "description", buf);
}
}
HwmonCounter::HwmonCounter(DriverCounter *next, char *const name, const sensors_chip_name *const chip, const sensors_feature *feature) : DriverCounter(next, name), mChip(chip), mFeature(feature), mDuplicate(false) {
mLabel = sensors_get_label(mChip, mFeature);
switch (mFeature->type) {
case SENSORS_FEATURE_IN:
mTitle = "Voltage";
mDisplay = "maximum";
mCounterClass = "absolute";
mUnit = "V";
mMultiplier = 0.001;
mMonotonic = false;
break;
case SENSORS_FEATURE_FAN:
mTitle = "Fan";
mDisplay = "average";
mCounterClass = "absolute";
mUnit = "RPM";
mMultiplier = 1.0;
mMonotonic = false;
break;
case SENSORS_FEATURE_TEMP:
mTitle = "Temperature";
mDisplay = "maximum";
mCounterClass = "absolute";
mUnit = "°C";
mMultiplier = 0.001;
mMonotonic = false;
break;
case SENSORS_FEATURE_POWER:
mTitle = "Power";
mDisplay = "maximum";
mCounterClass = "absolute";
mUnit = "W";
mMultiplier = 0.000001;
mMonotonic = false;
break;
case SENSORS_FEATURE_ENERGY:
mTitle = "Energy";
mDisplay = "accumulate";
mCounterClass = "delta";
mUnit = "J";
mMultiplier = 0.000001;
mMonotonic = true;
break;
case SENSORS_FEATURE_CURR:
mTitle = "Current";
mDisplay = "maximum";
mCounterClass = "absolute";
mUnit = "A";
mMultiplier = 0.001;
mMonotonic = false;
break;
case SENSORS_FEATURE_HUMIDITY:
mTitle = "Humidity";
mDisplay = "average";
mCounterClass = "absolute";
mUnit = "%";
mMultiplier = 0.001;
mMonotonic = false;
break;
default:
logg.logError("Unsupported hwmon feature %i", mFeature->type);
handleException();
}
for (HwmonCounter * counter = static_cast<HwmonCounter *>(next); counter != NULL; counter = static_cast<HwmonCounter *>(counter->getNext())) {
if (strcmp(mLabel, counter->getLabel()) == 0 && strcmp(mTitle, counter->getTitle()) == 0) {
mDuplicate = true;
counter->mDuplicate = true;
break;
}
}
}
HwmonCounter::HwmonCounter(HwmonCounter *next, const sensors_chip_name *chip, const sensors_feature *feature) : next(next), key(getEventKey()), polled(false), readable(false), enabled(false), duplicate(false), chip(chip), feature(feature) {
int len = sensors_snprintf_chip_name(NULL, 0, chip) + 1;
char *chip_name = new char[len];
sensors_snprintf_chip_name(chip_name, len, chip);
len = snprintf(NULL, 0, "hwmon_%s_%d", chip_name, feature->number) + 1;
name = new char[len];
snprintf(name, len, "hwmon_%s_%d", chip_name, feature->number);
delete [] chip_name;
label = sensors_get_label(chip, feature);
switch (feature->type) {
case SENSORS_FEATURE_IN:
title = "Voltage";
input = SENSORS_SUBFEATURE_IN_INPUT;
display = "maximum";
counter_class = "absolute";
unit = "V";
modifier = 1000;
monotonic = false;
break;
case SENSORS_FEATURE_FAN:
title = "Fan";
input = SENSORS_SUBFEATURE_FAN_INPUT;
display = "average";
counter_class = "absolute";
unit = "RPM";
modifier = 1;
monotonic = false;
break;
case SENSORS_FEATURE_TEMP:
title = "Temperature";
input = SENSORS_SUBFEATURE_TEMP_INPUT;
display = "maximum";
counter_class = "absolute";
unit = "°C";
modifier = 1000;
monotonic = false;
break;
case SENSORS_FEATURE_POWER:
title = "Power";
input = SENSORS_SUBFEATURE_POWER_INPUT;
display = "maximum";
counter_class = "absolute";
unit = "W";
modifier = 1000000;
monotonic = false;
break;
case SENSORS_FEATURE_ENERGY:
title = "Energy";
input = SENSORS_SUBFEATURE_ENERGY_INPUT;
display = "accumulate";
counter_class = "delta";
unit = "J";
modifier = 1000000;
monotonic = true;
break;
case SENSORS_FEATURE_CURR:
title = "Current";
input = SENSORS_SUBFEATURE_CURR_INPUT;
display = "maximum";
counter_class = "absolute";
unit = "A";
modifier = 1000;
monotonic = false;
break;
case SENSORS_FEATURE_HUMIDITY:
title = "Humidity";
input = SENSORS_SUBFEATURE_HUMIDITY_INPUT;
display = "average";
counter_class = "absolute";
unit = "%";
modifier = 1000;
monotonic = false;
break;
default:
logg->logError(__FILE__, __LINE__, "Unsupported hwmon feature %i", feature->type);
handleException();
}
for (HwmonCounter * counter = next; counter != NULL; counter = counter->getNext()) {
if (strcmp(label, counter->getLabel()) == 0 && strcmp(title, counter->getTitle()) == 0) {
duplicate = true;
counter->duplicate = true;
break;
}
}
}
void Hwmon::resetCounters() {
for (HwmonCounter * counter = counters; counter != NULL; counter = counter->getNext()) {
counter->setEnabled(false);
}
}