// Log lines have this form:
// Lmmdd hh:mm:ss.uuuuuu threadid file:line] msg...
// where the fields are defined as follows:
// L A single character, representing the log level (eg 'I' for INFO)
// mm The month (zero padded; ie May is '05')
// dd The day (zero padded)
// hh:mm:ss.uuuuuu Time in hours, minutes and fractional seconds
// threadid The space-padded thread ID as returned by GetTID()
// file The file name
// line The line number
// msg The user-supplied message
func (f *GlogFormatter) Format(context log.LogContext) []byte {
res := &bytes.Buffer{}
file := context.File
slash := len(file) - 1
for ; slash >= 0; slash-- {
if file[slash] == filepath.Separator {
break
}
}
if slash >= 0 {
file = file[slash+1:]
}
_, month, day := context.Time.Date()
hour, minute, second := context.Time.Clock()
f.tmp[0] = log.UcShortestSeverityStrings[log.SeverityToIndex(context.Severity)][0]
log.TwoDigits(&f.tmp, 1, int(month))
log.TwoDigits(&f.tmp, 3, day)
f.tmp[5] = ' '
log.TwoDigits(&f.tmp, 6, hour)
f.tmp[8] = ':'
log.TwoDigits(&f.tmp, 9, minute)
f.tmp[11] = ':'
log.TwoDigits(&f.tmp, 12, second)
f.tmp[14] = '.'
log.NDigits(&f.tmp, 6, 15, context.Time.Nanosecond()/1000)
f.tmp[21] = ' '
log.NDigits(&f.tmp, 5, 22, context.Pid)
f.tmp[27] = ' '
res.Write(f.tmp[:28])
res.WriteString(file)
f.tmp[0] = ':'
n := log.Itoa(&f.tmp, 1, context.Line)
f.tmp[n+1] = ']'
f.tmp[n+2] = ' '
res.Write(f.tmp[:n+3])
message := ""
if context.Format != nil {
message = fmt.Sprintf(*context.Format, context.Args...)
} else {
message = fmt.Sprint(context.Args...)
}
res.WriteString(message)
l := len(message)
if l > 0 && message[l-1] != '\n' {
res.WriteRune('\n')
}
return res.Bytes()
}
func (f *CustomFormatter) Format(context log.LogContext) []byte {
buf := &bytes.Buffer{}
t := time.Now()
year, month, day := t.Date()
hour, min, sec := t.Clock()
// Write the year in 2006/01/02 format
log.NDigits(&f.tmp, 4, 0, year)
f.tmp[4] = '/'
log.TwoDigits(&f.tmp, 5, int(month))
f.tmp[7] = '/'
log.TwoDigits(&f.tmp, 8, day)
f.tmp[10] = ' '
// Write the time in 15:04:05 format
log.TwoDigits(&f.tmp, 11, hour)
f.tmp[13] = ':'
log.TwoDigits(&f.tmp, 14, min)
f.tmp[16] = ':'
log.TwoDigits(&f.tmp, 17, sec)
f.tmp[19] = ' '
// Write what we have thus far in tmp to our buffer
buf.Write(f.tmp[:20])
message := ""
if context.Format != nil {
message = fmt.Sprintf(*context.Format, context.Args...)
} else {
message = fmt.Sprint(context.Args...)
}
// Write the message to our buffer
buf.WriteString(message)
// If we don't have a newline, put one. All formatters must
// do this.
l := len(message)
if l > 0 && message[l-1] != '\n' {
buf.WriteRune('\n')
}
return buf.Bytes()
}