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logger.go
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package main
import (
"io"
"log"
"log/syslog"
"os"
)
const APPNAME = "NPTC "
var (
Debug = *log.Default()
Info = *log.Default()
Warn = *log.Default()
Error = *log.Default()
)
func init() {
Debug.SetFlags(log.Lshortfile)
Info.SetFlags(log.Lshortfile)
Warn.SetFlags(log.Lshortfile)
Error.SetFlags(log.Lshortfile)
}
func logger() {
if os.Getenv("SHELL") == "/bin/sh" {
//Debug.Println("System Logger On")
syslogger()
} else {
if !debug {
Debug.SetOutput(io.Discard)
} else {
Debug.SetPrefix("DEBUG ")
Debug.Println("System Logger Off")
}
Info.SetPrefix("INFO ")
Warn.SetPrefix("WARN ")
Error.SetPrefix("ERROR ")
}
}
func syslogger() {
if !debug {
Debug.SetOutput(io.Discard)
} else {
sysloggerD, err := syslog.New(syslog.LOG_CRON|syslog.LOG_DEBUG, APPNAME)
if err != nil {
log.Fatalln(err)
}
Debug.SetOutput(sysloggerD)
}
sysloggerI, err := syslog.New(syslog.LOG_CRON|syslog.LOG_INFO, APPNAME)
if err != nil {
log.Fatalln(err)
}
Info.SetOutput(sysloggerI)
sysloggerW, err := syslog.New(syslog.LOG_CRON|syslog.LOG_WARNING, APPNAME)
if err != nil {
log.Fatalln(err)
}
Warn.SetOutput(sysloggerW)
sysloggerE, err := syslog.New(syslog.LOG_CRON|syslog.LOG_ERR, APPNAME)
if err != nil {
log.Fatalln(err)
}
Error.SetOutput(sysloggerE)
Debug.SetFlags(log.Lshortfile)
Info.SetFlags(log.Lshortfile)
Warn.SetFlags(log.Lshortfile)
Error.SetFlags(log.Lshortfile)
}