mirror of
https://github.com/cubefs/cubefs.git
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89 lines
1.9 KiB
Go
89 lines
1.9 KiB
Go
// Copyright 2018 The CubeFS Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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package errors
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import (
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"fmt"
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"path"
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"runtime"
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"strings"
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)
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type ErrorTrace struct {
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msg string
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}
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func New(msg string) error {
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return &ErrorTrace{msg: msg}
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}
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func NewError(err error) error {
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if err == nil {
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return nil
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}
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_, file, line, _ := runtime.Caller(1)
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_, fileName := path.Split(file)
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return &ErrorTrace{
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msg: fmt.Sprintf("[%v %v] %v", fileName, line, err.Error()),
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}
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}
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func NewErrorf(format string, a ...interface{}) error {
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msg := fmt.Sprintf(format, a...)
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_, file, line, _ := runtime.Caller(1)
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_, fileName := path.Split(file)
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return &ErrorTrace{
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msg: fmt.Sprintf("[%v %v] %v", fileName, line, msg),
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}
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}
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func (e *ErrorTrace) Error() string {
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return e.msg
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}
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func Trace(err error, format string, a ...interface{}) error {
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msg := fmt.Sprintf(format, a...)
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_, file, line, _ := runtime.Caller(1)
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_, fileName := path.Split(file)
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if err == nil {
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return &ErrorTrace{
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msg: fmt.Sprintf("[%v %v] %v", fileName, line, msg),
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}
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}
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return &ErrorTrace{
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msg: fmt.Sprintf("[%v %v] %v :: %v", fileName, line, msg, err),
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}
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}
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func Stack(err error) string {
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e, ok := err.(*ErrorTrace)
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if !ok {
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return err.Error()
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}
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var msg string
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stack := strings.Split(e.msg, "::")
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for _, s := range stack {
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msg = fmt.Sprintf("%v\n%v", msg, strings.TrimPrefix(s, " "))
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}
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return msg
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}
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