initial proof of concept

app/cpu/proc/vendor_intel.go

@@ -0,0 +1,76 @@
+package proc
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+)
+
+type IntelReader struct {
+	hwmonDir string
+	driver   string
+}
+
+func NewIntelReader() (*IntelReader, error) {
+	// Locate Intel coretemp hwmon path
+	dirs, err := filepath.Glob("/sys/class/hwmon/hwmon*")
+	if err != nil {
+		return nil, err
+	}
+
+	hwmonDir := ""
+	for _, d := range dirs {
+		nameData, err := os.ReadFile(filepath.Join(d, "name"))
+		if err == nil && strings.TrimSpace(string(nameData)) == "coretemp" {
+			hwmonDir = d
+			break
+		}
+	}
+
+	if hwmonDir == "" {
+		return nil, fmt.Errorf("coretemp driver not found under /sys/class/hwmon/")
+	}
+
+	return &IntelReader{
+		hwmonDir: hwmonDir,
+		driver:   "coretemp",
+	}, nil
+}
+
+func (r *IntelReader) ReadTemperatureSensors() ([]TempSensor, error) {
+	inputs, err := filepath.Glob(filepath.Join(r.hwmonDir, "temp*_input"))
+	if err != nil || len(inputs) == 0 {
+		return nil, fmt.Errorf("no temperature inputs found in %s", r.hwmonDir)
+	}
+
+	temps := []TempSensor{}
+
+	for _, inputPath := range inputs {
+		valBytes, err := os.ReadFile(inputPath)
+		if err != nil {
+			continue
+		}
+
+		milliC, err := strconv.ParseFloat(strings.TrimSpace(string(valBytes)), 64)
+		if err != nil {
+			continue
+		}
+
+		labelPath := strings.TrimSuffix(inputPath, "_input") + "_label"
+		label := ""
+		if lBytes, err := os.ReadFile(labelPath); err == nil {
+			label = strings.TrimSpace(string(lBytes))
+		} else {
+			label = filepath.Base(strings.TrimSuffix(inputPath, "_input"))
+		}
+
+		temps = append(temps, TempSensor{
+			Name:  label,
+			TempC: milliC / 1000.0,
+		})
+	}
+
+	return temps, nil
+}