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Check err in udp dns

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Fangliding
2026-01-09 19:05:57 +08:00
parent 0ca13452b8
commit 93d5dcdb70
1 changed files with 9 additions and 2 deletions
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11
app/dns/nameserver_udp.go
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@@ -160,7 +160,7 @@ func (s *ClassicNameServer) getCacheController() *CacheController {
} }
// sendQuery implements CachedNameserver. // sendQuery implements CachedNameserver.
func (s *ClassicNameServer) sendQuery(ctx context.Context, _ chan<- error, fqdn string, option dns_feature.IPOption) { func (s *ClassicNameServer) sendQuery(ctx context.Context, noResponseErrCh chan<- error, fqdn string, option dns_feature.IPOption) {
errors.LogInfo(ctx, s.Name(), " querying DNS for: ", fqdn) errors.LogInfo(ctx, s.Name(), " querying DNS for: ", fqdn)
reqs := buildReqMsgs(fqdn, option, s.newReqID, genEDNS0Options(s.clientIP, 0)) reqs := buildReqMsgs(fqdn, option, s.newReqID, genEDNS0Options(s.clientIP, 0))
@@ -171,7 +171,14 @@ func (s *ClassicNameServer) sendQuery(ctx context.Context, _ chan<- error, fqdn
ctx: ctx, ctx: ctx,
} }
s.addPendingRequest(udpReq) s.addPendingRequest(udpReq)
b, _ := dns.PackMessage(req.msg) b, err := dns.PackMessage(req.msg)
if err != nil {
errors.LogErrorInner(ctx, err, "failed to pack dns query")
if noResponseErrCh != nil {
noResponseErrCh <- err
}
return
}
copyDest := net.UDPDestination(s.address.Address, s.address.Port) copyDest := net.UDPDestination(s.address.Address, s.address.Port)
b.UDP = &copyDest b.UDP = &copyDest
s.udpServer.Dispatch(toDnsContext(ctx, s.address.String()), *s.address, b) s.udpServer.Dispatch(toDnsContext(ctx, s.address.String()), *s.address, b)