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package eduvpn
import (
"fmt"
"log"
"os"
"path"
)
type FileLogger struct {
Level LogLevel
File *os.File
}
type LogLevel int8
const (
LOG_NOTSET LogLevel = iota
LOG_INFO
LOG_WARNING
LOG_ERROR
)
func (e LogLevel) String() string {
switch e {
case LOG_NOTSET:
return "NOTSET"
case LOG_INFO:
return "INFO"
case LOG_WARNING:
return "WARNING"
case LOG_ERROR:
return "ERROR"
default:
return "UNKNOWN"
}
}
func (eduvpn *VPNState) getLogFilename() string {
pathString := path.Join(eduvpn.ConfigDirectory, eduvpn.Name)
return fmt.Sprintf("%s.log", pathString)
}
func (eduvpn *VPNState) InitLog(level LogLevel) error {
configDirErr := eduvpn.EnsureConfigDir()
if configDirErr != nil {
return configDirErr
}
logFile, logOpenErr := os.OpenFile(eduvpn.getLogFilename(), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0o666)
if logOpenErr != nil {
return logOpenErr
}
log.SetOutput(logFile)
eduvpn.LogFile = FileLogger{Level: level, File: logFile}
return nil
}
func (eduvpn *VPNState) Log(level LogLevel, str string) {
if level >= eduvpn.LogFile.Level && eduvpn.LogFile.Level != LOG_NOTSET {
log.Printf("[%s]: %s", level.String(), str)
}
}
func (eduvpn *VPNState) CloseLog() {
eduvpn.LogFile.File.Close()
}
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