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fix: dns outbound udp timeout

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This commit is contained in:
wwqgtxx 2024-04-09 14:26:14 +08:00
parent bd703b8ff2
commit de38fa882c
1 changed files with 3 additions and 3 deletions
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6
adapter/outbound/dns.go
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@ -89,14 +89,14 @@ func (d *dnsPacketConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
return len(p), nil return len(p), nil
} }
ctx, cancel := context.WithTimeout(d.ctx, resolver.DefaultDnsRelayTimeout)
defer cancel()
buf := pool.Get(resolver.SafeDnsPacketSize) buf := pool.Get(resolver.SafeDnsPacketSize)
put := func() { _ = pool.Put(buf) } put := func() { _ = pool.Put(buf) }
copy(buf, p) // avoid p be changed after WriteTo returned copy(buf, p) // avoid p be changed after WriteTo returned
go func() { // don't block the WriteTo function go func() { // don't block the WriteTo function
ctx, cancel := context.WithTimeout(d.ctx, resolver.DefaultDnsRelayTimeout)
defer cancel()
buf, err = resolver.RelayDnsPacket(ctx, buf[:len(p)], buf) buf, err = resolver.RelayDnsPacket(ctx, buf[:len(p)], buf)
if err != nil { if err != nil {
put() put()