mirror of https://github.com/tidwall/tile38.git
133 lines
2.6 KiB
Go
133 lines
2.6 KiB
Go
package log
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import (
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"fmt"
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"io"
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"os"
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"sync"
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"time"
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"golang.org/x/crypto/ssh/terminal"
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)
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var mu sync.Mutex
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var wr io.Writer
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var tty bool
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// Level is the log level
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// 0: silent - do not log
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// 1: normal - show everything except debug and warn
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// 2: verbose - show everything except debug
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// 3: very verbose - show everything
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var Level = 1
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// SetOutput sets the output of the logger
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func SetOutput(w io.Writer) {
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f, ok := w.(*os.File)
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tty = ok && terminal.IsTerminal(int(f.Fd()))
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wr = w
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}
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func log(level int, tag, color string, formatted bool, format string, args ...interface{}) {
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if Level < level {
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return
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}
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s := []byte(time.Now().Format("2006/01/02 15:04:05"))
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s = append(s, ' ')
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if tty {
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s = append(s, color...)
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}
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s = append(s, '[')
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s = append(s, tag...)
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s = append(s, ']')
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if tty {
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s = append(s, "\x1b[0m"...)
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}
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s = append(s, ' ')
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if formatted {
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s = append(s, fmt.Sprintf(format, args...)...)
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} else {
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s = append(s, fmt.Sprint(args...)...)
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}
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if s[len(s)-1] != '\n' {
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s = append(s, '\n')
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}
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mu.Lock()
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wr.Write(s)
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mu.Unlock()
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}
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var emptyFormat string
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// Infof ...
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func Infof(format string, args ...interface{}) {
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log(1, "INFO", "\x1b[36m", true, format, args...)
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}
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// Info ...
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func Info(args ...interface{}) {
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log(1, "INFO", "\x1b[36m", false, emptyFormat, args...)
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}
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// HTTPf ...
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func HTTPf(format string, args ...interface{}) {
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log(1, "HTTP", "\x1b[1m\x1b[30m", true, format, args...)
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}
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// HTTP ...
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func HTTP(args ...interface{}) {
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log(1, "HTTP", "\x1b[1m\x1b[30m", false, emptyFormat, args...)
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}
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// Errorf ...
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func Errorf(format string, args ...interface{}) {
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log(1, "ERRO", "\x1b[1m\x1b[31m", true, format, args...)
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}
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// Error ..
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func Error(args ...interface{}) {
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log(1, "ERRO", "\x1b[1m\x1b[31m", false, emptyFormat, args...)
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}
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// Warnf ...
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func Warnf(format string, args ...interface{}) {
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log(2, "WARN", "\x1b[33m", true, format, args...)
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}
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// Warn ...
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func Warn(args ...interface{}) {
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log(2, "WARN", "\x1b[33m", false, emptyFormat, args...)
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}
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// Debugf ...
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func Debugf(format string, args ...interface{}) {
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log(3, "DEBU", "\x1b[35m", true, format, args...)
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}
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// Debug ...
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func Debug(args ...interface{}) {
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log(3, "DEBU", "\x1b[35m", false, emptyFormat, args...)
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}
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// Printf ...
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func Printf(format string, args ...interface{}) {
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Infof(format, args...)
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}
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// Print ...
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func Print(format string, args ...interface{}) {
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Info(args...)
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}
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// Fatalf ...
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func Fatalf(format string, args ...interface{}) {
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log(1, "FATA", "x1b[31m", true, format, args...)
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os.Exit(1)
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}
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// Fatal ...
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func Fatal(args ...interface{}) {
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log(1, "FATA", "\x1b[31m", false, emptyFormat, args...)
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os.Exit(1)
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}
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