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Fix: aysnc exchange with new context (#2788)

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Terry Chan 2023-06-13 23:44:48 +08:00 committed by GitHub
parent 13d9e960f7
commit 18c666a1ab
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1 changed files with 5 additions and 1 deletions
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6
dns/resolver.go
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@ -141,7 +141,11 @@ func (r *Resolver) ExchangeContext(ctx context.Context, m *D.Msg) (msg *D.Msg, e
msg = cache.(*D.Msg).Copy()
if expireTime.Before(now) {
setMsgTTL(msg, uint32(1)) // Continue fetch
go r.exchangeWithoutCache(ctx, m)
go func() {
ctx, cancel := context.WithTimeout(context.Background(), resolver.DefaultDNSTimeout)
r.exchangeWithoutCache(ctx, m)
cancel()
}()
} else {
// updating TTL by subtracting common delta time from each DNS record
updateMsgTTL(msg, uint32(time.Until(expireTime).Seconds()))