Files
gluetun/internal/provider/utils.go
Quentin McGaw af606463ea Multi options filters, fixes #231 (#262)
* OWNED environment variable for Mullvad
* CSV are now accepted for all servers filtering environment variables
2020-10-18 17:15:42 -04:00

55 lines
1.1 KiB
Go

package provider
import (
"context"
"math/rand"
"strings"
"time"
"github.com/qdm12/gluetun/internal/models"
"github.com/qdm12/golibs/logging"
)
type timeNowFunc func() time.Time
func tryUntilSuccessful(ctx context.Context, logger logging.Logger, fn func() error) {
const retryPeriod = 10 * time.Second
for {
err := fn()
if err == nil {
break
}
logger.Error(err)
logger.Info("Trying again in %s", retryPeriod)
timer := time.NewTimer(retryPeriod)
select {
case <-timer.C:
case <-ctx.Done():
if !timer.Stop() {
<-timer.C
}
return
}
}
}
func pickRandomConnection(connections []models.OpenVPNConnection, source rand.Source) models.OpenVPNConnection {
return connections[rand.New(source).Intn(len(connections))] //nolint:gosec
}
func filterByPossibilities(value string, possibilities []string) (filtered bool) {
if len(possibilities) == 0 {
return false
}
for _, possibility := range possibilities {
if strings.EqualFold(value, possibility) {
return false
}
}
return true
}
func commaJoin(slice []string) string {
return strings.Join(slice, ",")
}