Initial commit

cputemp.go

@@ -0,0 +1,80 @@
+package main
+
+import (
+	"bufio"
+	"log"
+	"os"
+	"strconv"
+	"time"
+)
+
+// CPUTemperature stores average temperature among all cores.
+var CPUTemperature int64
+
+// UpdateCPUTemperature gets and updates average CPU cores temperature.
+func UpdateCPUTemperature() {
+	n := len(Conf.CPUTemp.File)
+
+	for {
+		var (
+			temperature = make([]int64, n)
+			tSum        int64
+			tAvg        int64
+		)
+
+		for i, filename := range Conf.CPUTemp.File {
+			file, err := os.Open(filename)
+
+			if err != nil {
+				log.Printf("Unable to open %s: %s", filename, err)
+			} else {
+				reader := bufio.NewReader(file)
+				line, _, err := reader.ReadLine()
+
+				if err != nil {
+					log.Printf("Unable to read from %s: %s", filename, err)
+					err = file.Close()
+
+					if err != nil {
+						log.Printf("Unable to close %s: %s", filename, err)
+					}
+				} else {
+					err = file.Close()
+
+					if err != nil {
+						log.Printf("Unable to close %s: %s", filename, err)
+					} else {
+						temp, err := strconv.ParseInt(string(line), 10, 32)
+
+						if err != nil {
+							log.Printf("Unable to convert string to number from file %s: %s", filename, err)
+						} else {
+							if temp > 1000 {
+								temp /= 1000
+							}
+
+							temperature[i] = temp
+						}
+					}
+				}
+			}
+		}
+
+		if len(temperature) == 1 {
+			tAvg = temperature[0]
+		} else {
+			for _, t := range temperature {
+				tSum += t
+			}
+
+			tAvg = tSum / int64(len(temperature))
+		}
+
+		if CPUTemperature != tAvg {
+			CPUTemperature = tAvg
+			UpdateReady <- true
+		}
+
+		time.Sleep(3 * time.Second)
+	}
+}