/
logger.go
74 lines (61 loc) · 1.73 KB
/
logger.go
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// Logger is a simple logging interface.
package whookie
import (
"io"
"log"
"log/syslog"
"os"
)
var logger Logger
func init() {
logger = Logger{}
flags := log.LstdFlags
if os.Getenv("LOG_OUTPUT") == "syslog" {
logger.info, _ = syslog.NewLogger(syslog.LOG_INFO, flags)
logger.notice, _ = syslog.NewLogger(syslog.LOG_NOTICE, flags)
logger.warning, _ = syslog.NewLogger(syslog.LOG_WARNING, flags)
logger.error, _ = syslog.NewLogger(syslog.LOG_ERR, flags)
} else {
logger.info = log.New(os.Stdout, "INFO ", flags)
logger.notice = log.New(os.Stdout, "NOTICE ", flags)
logger.warning = log.New(os.Stdout, "WARNING ", flags)
logger.error = log.New(os.Stderr, "ERROR ", flags)
}
}
type Logger struct {
info *log.Logger
notice *log.Logger
warning *log.Logger
error *log.Logger
}
func SetLoggerOutput(l Logger, w io.Writer) {
flags := log.LstdFlags
l.info = log.New(w, "INFO ", flags)
l.notice = log.New(w, "NOTICE ", flags)
l.warning = log.New(w, "WARNING ", flags)
l.error = log.New(w, "ERROR ", flags)
}
func (l Logger) Info(messages ...interface{}) {
l.info.Print(messages...)
}
func (l Logger) Notice(messages ...interface{}) {
l.notice.Print(messages...)
}
func (l Logger) Warning(messages ...interface{}) {
l.warning.Print(messages...)
}
func (l Logger) Error(messages ...interface{}) {
l.error.Print(messages...)
}
func (l Logger) Infof(str string, messages ...interface{}) {
l.info.Printf(str, messages...)
}
func (l Logger) Noticef(str string, messages ...interface{}) {
l.notice.Printf(str, messages...)
}
func (l Logger) Warningf(str string, messages ...interface{}) {
l.warning.Printf(str, messages...)
}
func (l Logger) Errorf(str string, messages ...interface{}) {
l.error.Printf(str, messages...)
}