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Log modifications

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Several modifications, added [pid] prefix to loggers, changed classifications to 3 characters only, and turn off colors if being redirected to a file.
This commit is contained in:
Derek Collison
2015-01-09 18:44:53 -08:00
parent ad9ccb1224
commit c513bdd89a
1 changed files with 25 additions and 14 deletions
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39
logger/log.go
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@@ -21,15 +21,21 @@ type Logger struct {
func NewStdLogger(time, debug, trace, colors bool) *Logger {
flags := 0
if time {
flags = log.LstdFlags
flags = log.LstdFlags | log.Lmicroseconds
}
l := &Logger{
logger: log.New(os.Stderr, "", flags),
logger: log.New(os.Stderr, pidPrefix(), flags),
debug: debug,
trace: trace,
}
// Check to see if stderr is being redirected and if so turn off color
stat, _ := os.Stderr.Stat()
if (stat.Mode() & os.ModeCharDevice) == 0 {
colors = false
}
if colors {
setColoredLabelFormats(l)
} else {
@@ -48,11 +54,11 @@ func NewFileLogger(filename string, time, debug, trace bool) *Logger {
flags := 0
if time {
flags = log.LstdFlags
flags = log.LstdFlags | log.Lmicroseconds
}
l := &Logger{
logger: log.New(f, "", flags),
logger: log.New(f, pidPrefix(), flags),
debug: debug,
trace: trace,
}
@@ -61,21 +67,26 @@ func NewFileLogger(filename string, time, debug, trace bool) *Logger {
return l
}
// Generate the pid prefix string
func pidPrefix() string {
return fmt.Sprintf("[%d] ", os.Getpid())
}
func setPlainLabelFormats(l *Logger) {
l.infoLabel = "[INFO] "
l.debugLabel = "[DEBUG] "
l.errorLabel = "[ERROR] "
l.fatalLabel = "[FATAL] "
l.traceLabel = "[TRACE] "
l.infoLabel = "[INF] "
l.debugLabel = "[DBG] "
l.errorLabel = "[ERR] "
l.fatalLabel = "[FTL] "
l.traceLabel = "[TRC] "
}
func setColoredLabelFormats(l *Logger) {
colorFormat := "[\x1b[%dm%s\x1b[0m] "
l.infoLabel = fmt.Sprintf(colorFormat, 32, "INFO")
l.debugLabel = fmt.Sprintf(colorFormat, 36, "DEBUG")
l.errorLabel = fmt.Sprintf(colorFormat, 31, "ERROR")
l.fatalLabel = fmt.Sprintf(colorFormat, 35, "FATAL")
l.traceLabel = fmt.Sprintf(colorFormat, 33, "TRACE")
l.infoLabel = fmt.Sprintf(colorFormat, 32, "INF")
l.debugLabel = fmt.Sprintf(colorFormat, 36, "DBG")
l.errorLabel = fmt.Sprintf(colorFormat, 31, "ERR")
l.fatalLabel = fmt.Sprintf(colorFormat, 35, "FTL")
l.traceLabel = fmt.Sprintf(colorFormat, 33, "TRC")
}
func (l *Logger) Noticef(format string, v ...interface{}) {