135 lines
4.4 KiB
C++
135 lines
4.4 KiB
C++
#include "modules/temperature.hpp"
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#include <filesystem>
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#if defined(__FreeBSD__)
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#include <sys/sysctl.h>
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#endif
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waybar::modules::Temperature::Temperature(const std::string& id, const Json::Value& config)
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: ALabel(config, "temperature", id, "{temperatureC}°C", 10) {
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#if defined(__FreeBSD__)
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// FreeBSD uses sysctlbyname instead of read from a file
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#else
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auto& hwmon_path = config_["hwmon-path"];
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if (hwmon_path.isString()) {
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file_path_ = hwmon_path.asString();
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} else if (hwmon_path.isArray()) {
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// if hwmon_path is an array, loop to find first valid item
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for (auto& item : hwmon_path) {
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auto path = item.asString();
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if (std::filesystem::exists(path)) {
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file_path_ = path;
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break;
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}
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}
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} else if (config_["hwmon-path-abs"].isString() && config_["input-filename"].isString()) {
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for (const auto& hwmon :
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std::filesystem::directory_iterator(config_["hwmon-path-abs"].asString())) {
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if (hwmon.path().filename().string().starts_with("hwmon")) {
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file_path_ = hwmon.path().string() + "/" + config_["input-filename"].asString();
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break;
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}
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}
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}
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if (file_path_.empty()) {
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auto zone = config_["thermal-zone"].isInt() ? config_["thermal-zone"].asInt() : 0;
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file_path_ = fmt::format("/sys/class/thermal/thermal_zone{}/temp", zone);
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}
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// check if file_path_ can be used to retrive the temperature
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std::ifstream temp(file_path_);
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if (!temp.is_open()) {
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throw std::runtime_error("Can't open " + file_path_);
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}
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if (!temp.good()) {
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temp.close();
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throw std::runtime_error("Can't read from " + file_path_);
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}
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temp.close();
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#endif
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thread_ = [this] {
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dp.emit();
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thread_.sleep_for(interval_);
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};
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}
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auto waybar::modules::Temperature::update() -> void {
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auto temperature = getTemperature();
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uint16_t temperature_c = std::round(temperature);
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uint16_t temperature_f = std::round(temperature * 1.8 + 32);
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uint16_t temperature_k = std::round(temperature + 273.15);
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auto critical = isCritical(temperature_c);
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auto format = format_;
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if (critical) {
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format = config_["format-critical"].isString() ? config_["format-critical"].asString() : format;
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label_.get_style_context()->add_class("critical");
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} else {
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label_.get_style_context()->remove_class("critical");
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}
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if (format.empty()) {
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event_box_.hide();
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return;
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} else {
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event_box_.show();
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}
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auto max_temp = config_["critical-threshold"].isInt() ? config_["critical-threshold"].asInt() : 0;
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label_.set_markup(fmt::format(fmt::runtime(format), fmt::arg("temperatureC", temperature_c),
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fmt::arg("temperatureF", temperature_f),
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fmt::arg("temperatureK", temperature_k),
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fmt::arg("icon", getIcon(temperature_c, "", max_temp))));
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if (tooltipEnabled()) {
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std::string tooltip_format = "{temperatureC}°C";
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if (config_["tooltip-format"].isString()) {
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tooltip_format = config_["tooltip-format"].asString();
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}
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label_.set_tooltip_text(fmt::format(
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fmt::runtime(tooltip_format), fmt::arg("temperatureC", temperature_c),
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fmt::arg("temperatureF", temperature_f), fmt::arg("temperatureK", temperature_k)));
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}
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// Call parent update
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ALabel::update();
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}
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float waybar::modules::Temperature::getTemperature() {
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#if defined(__FreeBSD__)
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int temp;
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size_t size = sizeof temp;
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auto zone = config_["thermal-zone"].isInt() ? config_["thermal-zone"].asInt() : 0;
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if (sysctlbyname(fmt::format("hw.acpi.thermal.tz{}.temperature", zone).c_str(), &temp, &size,
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NULL, 0) != 0) {
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throw std::runtime_error(fmt::format(
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"sysctl hw.acpi.thermal.tz{}.temperature or dev.cpu.{}.temperature failed", zone, zone));
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}
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auto temperature_c = ((float)temp - 2732) / 10;
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return temperature_c;
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#else // Linux
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std::ifstream temp(file_path_);
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if (!temp.is_open()) {
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throw std::runtime_error("Can't open " + file_path_);
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}
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std::string line;
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if (temp.good()) {
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getline(temp, line);
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} else {
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temp.close();
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throw std::runtime_error("Can't read from " + file_path_);
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}
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temp.close();
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auto temperature_c = std::strtol(line.c_str(), nullptr, 10) / 1000.0;
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return temperature_c;
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#endif
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}
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bool waybar::modules::Temperature::isCritical(uint16_t temperature_c) {
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return config_["critical-threshold"].isInt() &&
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temperature_c >= config_["critical-threshold"].asInt();
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}
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