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pcsverbose.go
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/
pcsverbose.go
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// Package pcsverbose 调试包
package pcsverbose
import (
"fmt"
"io"
"os"
)
const (
// EnvVerbose 启用调试环境变量
EnvVerbose = "BAIDUPCS_GO_VERBOSE"
)
var (
// IsVerbose 是否调试
IsVerbose = os.Getenv(EnvVerbose) == "1"
// Outputs 输出
Outputs = []io.Writer{os.Stderr}
)
// PCSVerbose 调试
type PCSVerbose struct {
Module string
}
// New 根据module, 初始化PCSVerbose
func New(module string) *PCSVerbose {
return &PCSVerbose{
Module: module,
}
}
// Info 提示
func (pv *PCSVerbose) Info(l string) {
Verbosef("DEBUG: %s INFO: %s\n", pv.Module, l)
}
// Infof 提示, 格式输出
func (pv *PCSVerbose) Infof(format string, a ...interface{}) {
Verbosef("DEBUG: %s INFO: %s", pv.Module, fmt.Sprintf(format, a...))
}
// Warn 警告
func (pv *PCSVerbose) Warn(l string) {
Verbosef("DEBUG: %s WARN: %s\n", pv.Module, l)
}
// Warnf 警告, 格式输出
func (pv *PCSVerbose) Warnf(format string, a ...interface{}) {
Verbosef("DEBUG: %s WARN: %s", pv.Module, fmt.Sprintf(format, a...))
}
// Verbosef 调试格式输出
func Verbosef(format string, a ...interface{}) (n int, err error) {
if IsVerbose {
for _, Output := range Outputs {
n1, err := fmt.Fprintf(Output, TimePrefix()+" "+format, a...)
n += n1
if err != nil {
return n, err
}
}
}
return
}
// Verboseln 调试输出一行
func Verboseln(a ...interface{}) (n int, err error) {
if IsVerbose {
for _, Output := range Outputs {
n1, err := fmt.Fprint(Output, TimePrefix()+" ")
n += n1
if err != nil {
return n, err
}
n2, err := fmt.Fprintln(Output, a...)
n += n2
if err != nil {
return n, err
}
}
}
return
}