Prefer ipv6 protocol on direct connections

telegram/init.go

@@ -4,6 +4,8 @@ import (
 	"net"
 	"sync"
 	"time"
+
+	"go.uber.org/zap"
 )
 
 const telegramDialTimeout = 10 * time.Second
@@ -17,11 +19,14 @@ var (
 
 func Init() {
 	initOnce.Do(func() {
+		logger := zap.S().Named("telegram")
+
 		Direct = &directTelegram{
 			baseTelegram: baseTelegram{
 				dialer:      net.Dialer{Timeout: telegramDialTimeout},
+				logger:      logger.Named("direct"),
 				v4DefaultDC: directV4DefaultIdx,
-				V6DefaultDC: directV6DefaultIdx,
+				v6DefaultDC: directV6DefaultIdx,
 				v4Addresses: directV4Addresses,
 				v6Addresses: directV6Addresses,
 			},
@@ -30,6 +35,7 @@ func Init() {
 		tg := &middleTelegram{
 			baseTelegram: baseTelegram{
 				dialer: net.Dialer{Timeout: telegramDialTimeout},
+				logger: logger.Named("middle"),
 			},
 		}
 		if err := tg.update(); err != nil {