initial proof of concept

app/cpu/proc/proc.go

@@ -0,0 +1,85 @@
+package proc
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+)
+
+type Proc struct {
+	Info         map[string]string
+	SensorReader CPUSensorReader
+}
+
+type CPUSensorReader interface {
+	ReadTemperatureSensors() ([]TempSensor, error)
+}
+
+type TempSensor struct {
+	Name  string
+	TempC float64
+}
+
+const (
+	VendorIntel   string = "GenuineIntel"
+	VendorAMD     string = "AuthenticAMD"
+	VendorUnknown string = "Unknown"
+)
+
+func GetProc() (Proc, error) {
+	// open and parse cpuinfo
+	proc := Proc{}
+	procFile, err := os.Open("/proc/cpuinfo")
+	if err != nil {
+		return proc, err
+	}
+	defer procFile.Close()
+
+	proc.Info = map[string]string{}
+
+	scanner := bufio.NewScanner(procFile)
+	for scanner.Scan() {
+		line := scanner.Text()
+		line = strings.ReplaceAll(line, "\t", "")
+		if line != "" {
+			x := strings.Split(line, ": ")
+			if len(x) != 2 {
+				continue
+			}
+			key := x[0]
+			value := x[1]
+			proc.Info[key] = value
+		}
+	}
+
+	return proc, proc.getSensorReader()
+}
+
+func (proc *Proc) getSensorReader() error {
+	// get vendor string and initialize sensor reader
+
+	vendor := proc.Vendor()
+
+	if vendor == VendorIntel {
+		intelReader, err := NewIntelReader()
+		proc.SensorReader = intelReader
+		return err
+	}
+
+	if vendor == VendorAMD {
+		amdReader, err := NewAMDReader()
+		proc.SensorReader = amdReader
+		return err
+	}
+
+	return fmt.Errorf("proc type %s is not supported", vendor)
+}
+
+func (proc *Proc) Vendor() string {
+	return proc.Info["vendor_id"]
+}
+
+func (proc *Proc) Model() string {
+	return proc.Info["model name"]
+}