// Install modifies PC registry to allow logging with event source src.
// It adds all required keys/values to event log key. Install uses msgFile
// as event message file, creating key as REG_EXPAND_SZ, if useExpandKey
// is true, otherwise as REG_SZ. Use bitwise of log.Error, log.Warning
// and log.Info to specify events supported.
func Install(src, msgFile string, useExpandKey bool, eventsSupported uint32) error {
appkey, err := registry.OpenKey(syscall.HKEY_LOCAL_MACHINE, addKeyName)
if err != nil {
return err
}
defer appkey.Close()
sk, alreadyExist, err := appkey.CreateSubKey(src)
if err != nil {
return err
}
defer sk.Close()
if alreadyExist {
return errors.New(addKeyName + `\` + src + " registry key already exists")
}
err = sk.SetUInt32("CustomSource", 1)
if err != nil {
return err
}
if useExpandKey {
err = sk.SetStringExpand("EventMessageFile", msgFile)
} else {
err = sk.SetString("EventMessageFile", msgFile)
}
if err != nil {
return err
}
err = sk.SetUInt32("TypesSupported", eventsSupported)
if err != nil {
return err
}
return nil
}
// Remove deletes all registry elements installed by correspondent Install.
func Remove(src string) error {
appkey, err := registry.OpenKey(syscall.HKEY_LOCAL_MACHINE, addKeyName)
if err != nil {
return err
}
defer appkey.Close()
return appkey.DeleteSubKey(src)
}