73 lines
1.4 KiB
Go
73 lines
1.4 KiB
Go
package logs
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import (
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"fmt"
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"github.com/fthvgb1/wp-go/internal/pkg/config"
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"github.com/fthvgb1/wp-go/safety"
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"io"
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"log"
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"os"
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"runtime"
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"strings"
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)
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var logs = safety.NewVar[*log.Logger](nil)
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var logFile = safety.NewVar[*os.File](nil)
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func InitLogger() error {
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preFD := logFile.Load()
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l := &log.Logger{}
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c := config.GetConfig()
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if c.LogOutput == "" {
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c.LogOutput = "stderr"
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}
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var out io.Writer
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switch c.LogOutput {
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case "stdout":
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out = os.Stdout
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case "stderr":
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out = os.Stderr
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default:
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file, err := os.OpenFile(c.LogOutput, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0777)
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if err != nil {
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return err
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}
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out = file
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logFile.Store(file)
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}
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if preFD != nil {
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_ = preFD.Close()
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}
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logs.Store(l)
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l.SetFlags(log.Ldate | log.Ltime)
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l.SetOutput(out)
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return nil
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}
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func Errs(err error, depth int, desc string, args ...any) {
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var pcs [1]uintptr
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runtime.Callers(depth, pcs[:])
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f := runtime.CallersFrames([]uintptr{pcs[0]})
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ff, _ := f.Next()
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s := strings.Builder{}
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_, _ = fmt.Fprintf(&s, "%s:%d %s err:[%s]", ff.File, ff.Line, desc, err)
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if len(args) > 0 {
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s.WriteString(" args:")
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for _, arg := range args {
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_, _ = fmt.Fprintf(&s, "%v", arg)
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}
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}
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logs.Load().Println(s.String())
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}
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func Error(err error, desc string, args ...any) {
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Errs(err, 3, desc, args)
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}
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func IfError(err error, desc string, args ...any) {
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if err == nil {
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return
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}
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Errs(err, 3, desc, args...)
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}
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