// NewDefaultBackendLogger returns a new seelog logger with default settings
// that can be used as a backend for SubsystemLoggers.
func NewDefaultBackendLogger() seelog.LoggerInterface {
config := `
<seelog type="adaptive" mininterval="2000000" maxinterval="100000000"
critmsgcount="500" minlevel="trace">
<outputs formatid="all">
<console/>
</outputs>
<formats>
<format id="all" format="%Time %Date [%LEV] %Msg%n" />
</formats>
</seelog>`
logger, err := seelog.LoggerFromConfigAsString(config)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to create logger: %v", err)
os.Exit(1)
}
return logger
}
// newLogger creates a new seelog logger using the provided logging level and
// log message prefix.
func newLogger(level string, prefix string) seelog.LoggerInterface {
fmtstring := `
<seelog type="adaptive" mininterval="2000000" maxinterval="100000000"
critmsgcount="500" minlevel="%s">
<outputs formatid="all">
<console/>
</outputs>
<formats>
<format id="all" format="[%%Time %%Date] [%%LEV] [%s] %%Msg%%n" />
</formats>
</seelog>`
config := fmt.Sprintf(fmtstring, level, prefix)
logger, err := seelog.LoggerFromConfigAsString(config)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to create logger: %v", err)
os.Exit(1)
}
return logger
}
// initSeelogLogger initializes a new seelog logger that is used as the backend
// for all logging subsytems.
func initSeelogLogger(logFile string) {
config := `
<seelog type="adaptive" mininterval="2000000" maxinterval="100000000"
critmsgcount="500" minlevel="trace">
<outputs formatid="all">
<console />
<rollingfile type="size" filename="%s" maxsize="10485760" maxrolls="3" />
</outputs>
<formats>
<format id="all" format="%%Time %%Date [%%LEV] %%Msg%%n" />
</formats>
</seelog>`
config = fmt.Sprintf(config, logFile)
logger, err := seelog.LoggerFromConfigAsString(config)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to create logger: %v", err)
os.Exit(1)
}
backendLog = logger
}