[client] Don't deactivate upstream resolvers on failure (#4128)

This commit is contained in:
Viktor Liu
2025-08-29 17:40:05 +02:00
committed by GitHub
parent dbefa8bd9f
commit d4c067f0af
19 changed files with 1598 additions and 167 deletions

View File

@@ -50,7 +50,9 @@ func (u *upstreamResolver) exchange(ctx context.Context, upstream string, r *dns
}
func (u *upstreamResolver) exchangeWithinVPN(ctx context.Context, upstream string, r *dns.Msg) (rm *dns.Msg, t time.Duration, err error) {
upstreamExchangeClient := &dns.Client{}
upstreamExchangeClient := &dns.Client{
Timeout: ClientTimeout,
}
return upstreamExchangeClient.ExchangeContext(ctx, r, upstream)
}
@@ -72,10 +74,11 @@ func (u *upstreamResolver) exchangeWithoutVPN(ctx context.Context, upstream stri
}
upstreamExchangeClient := &dns.Client{
Dialer: dialer,
Dialer: dialer,
Timeout: timeout,
}
return upstreamExchangeClient.Exchange(r, upstream)
return upstreamExchangeClient.ExchangeContext(ctx, r, upstream)
}
func (u *upstreamResolver) isLocalResolver(upstream string) bool {