复制项目

pkg/util/genutil.go

@@ -0,0 +1,52 @@
+// Copyright © 2024 OpenIM. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package util
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+// OutDir creates the absolute path name from path and checks path exists.
+// Returns absolute path including trailing '/' or error if path does not exist.
+func OutDir(path string) (string, error) {
+	outDir, err := filepath.Abs(path)
+	if err != nil {
+		return "", err
+	}
+
+	stat, err := os.Stat(outDir)
+	if err != nil {
+		return "", err
+	}
+
+	if !stat.IsDir() {
+		return "", fmt.Errorf("output directory %s is not a directory", outDir)
+	}
+	outDir += "/"
+	return outDir, nil
+}
+
+func ExitWithError(err error) {
+	programName := filepath.Base(os.Args[0])
+	fmt.Fprintf(os.Stderr, "%s exit -1: %+v\n\n", programName, err)
+	os.Exit(-1)
+}
+
+func SIGTERMExit() {
+	programName := filepath.Base(os.Args[0])
+	fmt.Fprintf(os.Stderr, "Warning %s receive process terminal SIGTERM exit 0\n", programName)
+}