updates

Downloads/GoNetDev-master/Protocols/Utils/Concat_slices.go

@@ -0,0 +1,9 @@
+package Utils
+
+func ConcatAppend(slices [][]byte) []byte {
+	var tmp []byte
+	for _, s := range slices {
+		tmp = append(tmp, s...)
+	}
+	return tmp
+}

Downloads/GoNetDev-master/Protocols/Utils/GLogger/GLogger.go

@@ -0,0 +1,32 @@
+package GLogger
+
+import (
+	"sync"
+	"log"
+	"os"
+	"io"
+)
+
+var once sync.Once
+var Glogger *GLogger
+
+type GLogger struct {
+	*log.Logger
+	filename string
+}
+
+func GetInstance() *GLogger {
+	once.Do(func() {
+		Glogger = createLogger("/var/log/Gonetdev.log")
+	})
+	return Glogger
+}
+
+func createLogger(fname string) *GLogger {
+	file, _ := os.OpenFile(fname,os.O_CREATE | os.O_APPEND | os.O_RDWR, 0666)
+	mw := io.MultiWriter(os.Stdout, file)
+	return &GLogger{
+		filename: fname,
+		Logger:   log.New(mw, "", log.Lshortfile),
+	}
+}

Downloads/GoNetDev-master/Protocols/Utils/Prometheus_exporter.go

@@ -0,0 +1,34 @@
+package Utils
+
+import (
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+	"log"
+	"net/http"
+)
+
+func init() {
+	go func() {
+		http.Handle("/metrics", promhttp.Handler())
+		log.Fatal(http.ListenAndServe(": 8080", nil))
+	}()
+}
+func NewPromCounter(metric string, help_msg string, labels []string) *prometheus.CounterVec {
+
+	return prometheus.NewCounterVec(
+		prometheus.CounterOpts{
+			Name: metric,
+			Help: help_msg,
+		},
+		labels,
+	)
+
+}
+
+func NewLabel(lblkey string, lblvalue string) prometheus.Labels {
+	return prometheus.Labels{lblkey: lblvalue}
+}
+
+func Register(c prometheus.Collector) {
+	prometheus.MustRegister(c)
+}