mirror of
https://github.com/alibaba/higress.git
synced 2026-02-23 04:00:51 +08:00
59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
// Copyright (c) 2022 Alibaba Group Holding Ltd.
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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 implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package utils
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import (
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"fmt"
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"io"
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)
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type Debugger interface {
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Debugf(format string, a ...any) (int, error)
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Debugln(a ...any) (int, error)
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}
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type DefaultDebugger struct {
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debug bool
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w io.Writer
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}
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func NewDefaultDebugger(debug bool, w io.Writer) *DefaultDebugger {
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return &DefaultDebugger{debug: debug, w: w}
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}
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func (d DefaultDebugger) Debugf(format string, a ...any) (int, error) {
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l := len(format)
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if l > 0 && format[l-1] != '\n' {
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format += "\n"
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}
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if d.debug {
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format = "[debug] " + format
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return fmt.Fprintf(d.w, format, a...)
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}
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return 0, nil
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}
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func (d DefaultDebugger) Debugln(a ...any) (int, error) {
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if d.debug {
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n1, err1 := fmt.Fprintf(d.w, "[debug] ")
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if err1 != nil {
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return n1, err1
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}
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n2, err2 := fmt.Fprintln(d.w, a...)
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return n1 + n2, err2
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}
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return 0, nil
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}
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