Added logging.go, required by prior changes

server/logging.go

@@ -0,0 +1,26 @@
+package weavedns
+
+import (
+	"io"
+	"log"
+)
+
+// Inspired by http://www.goinggo.net/2013/11/using-log-package-in-go.html
+
+var (
+	Debug   *log.Logger
+	Info    *log.Logger
+	Warning *log.Logger
+	Error   *log.Logger
+)
+
+func InitLogging(debugHandle io.Writer,
+	infoHandle io.Writer,
+	warningHandle io.Writer,
+	errorHandle io.Writer) {
+
+	Debug = log.New(debugHandle, "DEBUG: ", log.Ldate|log.Ltime|log.Lshortfile)
+	Info = log.New(infoHandle, "INFO: ", log.Ldate|log.Ltime|log.Lshortfile)
+	Warning = log.New(warningHandle, "WARNING: ", log.Ldate|log.Ltime|log.Lshortfile)
+	Error = log.New(errorHandle, "ERROR: ", log.Ldate|log.Ltime|log.Lshortfile)
+}