read configuration file

vendor/github.com/pyke369/golang-support/uuid/uuid.go

@@ -0,0 +1,30 @@
+package uuid
+
+import (
+	"fmt"
+	"math/rand"
+	"os"
+	"time"
+)
+
+var initialized bool
+
+func init() {
+	if !initialized {
+		rand.Seed(time.Now().UnixNano() + int64(os.Getpid()))
+		initialized = true
+	}
+}
+
+func UUID() string {
+	var entropy = make([]byte, 16)
+
+	if !initialized {
+		rand.Seed(time.Now().UnixNano() + int64(os.Getpid()))
+		initialized = true
+	}
+	rand.Read(entropy)
+	entropy[6] = (entropy[6] & 0x0f) | 0x40
+	entropy[8] = (entropy[8] & 0x3f) | 0x80
+	return fmt.Sprintf("%08x-%04x-%04x-%04x-%12x", entropy[0:4], entropy[4:6], entropy[6:8], entropy[8:10], entropy[10:16])
+}