update

pkg/server/server.go

@@ -0,0 +1,24 @@
+package server
+
+import (
+	"bytes"
+	"fmt"
+	"github.com/golang/glog"
+	"net/http"
+	"runtime"
+)
+
+func LogStackOnRecover(panicReason interface{}, httpWriter http.ResponseWriter) {
+	var buffer bytes.Buffer
+	buffer.WriteString(fmt.Sprintf("recover from panic situation: - %v\r\n", panicReason))
+	for i := 2; ; i += 1 {
+		_, file, line, ok := runtime.Caller(i)
+		if !ok {
+			break
+		}
+		buffer.WriteString(fmt.Sprintf("    %s:%d\r\n", file, line))
+	}
+	glog.Error(buffer.String())
+	httpWriter.WriteHeader(http.StatusInternalServerError)
+	httpWriter.Write([]byte("recover from panic situation"))
+}