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Fix local server

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世界 2025-01-26 09:00:43 +08:00
parent 3fa417f283
commit 7ecc62f2e0
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GPG key ID: CD109927C34A63C4
1 changed files with 21 additions and 6 deletions
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27
dns/transport/local/local.go
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@ -85,6 +85,10 @@ func (t *Transport) exchangeParallel(ctx context.Context, systemConfig *dnsConfi
results := make(chan queryResult)
startRacer := func(ctx context.Context, fqdn string) {
response, err := t.tryOneName(ctx, systemConfig, fqdn, message)
addresses, _ := dns.MessageToAddresses(response)
if len(addresses) == 0 {
err = E.New(fqdn, ": empty result")
}
select {
case results <- queryResult{response, err}:
case <-returned:
@ -92,14 +96,25 @@ func (t *Transport) exchangeParallel(ctx context.Context, systemConfig *dnsConfi
}
queryCtx, queryCancel := context.WithCancel(ctx)
defer queryCancel()
var nameCount int
for _, fqdn := range systemConfig.nameList(domain) {
nameCount++
go startRacer(queryCtx, fqdn)
}
select {
case <-ctx.Done():
return nil, ctx.Err()
case result := <-results:
return result.response, result.err
var errors []error
for {
select {
case <-ctx.Done():
return nil, ctx.Err()
case result := <-results:
if result.err == nil {
return result.response, nil
}
errors = append(errors, result.err)
if len(errors) == nameCount {
return nil, E.Errors(errors...)
}
}
}
}
@ -120,7 +135,7 @@ func (t *Transport) tryOneName(ctx context.Context, config *dnsConfig, fqdn stri
return response, nil
}
}
return nil, lastErr
return nil, E.Cause(lastErr, fqdn)
}
func (t *Transport) exchangeOne(ctx context.Context, server M.Socksaddr, question mDNS.Question, timeout time.Duration, useTCP, ad bool) (*mDNS.Msg, error) {