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More IPv6 support and race condition fixes (#123)

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* changes in preparation of wireguard impl

* suggestions by @MDr164
This commit is contained in:
Pat Whittingslow
2026-06-17 15:10:25 -03:00
committed by GitHub
parent 813b7b5e57
commit 60098ad8d0
6 changed files with 130 additions and 36 deletions
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x/xnet/stack-blocking.go
+9 -2
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@@ -8,6 +8,7 @@ import (
"github.com/soypat/lneto"
"github.com/soypat/lneto/dhcp/dhcpv4"
"github.com/soypat/lneto/dns"
"github.com/soypat/lneto/tcp"
)
@@ -147,7 +148,13 @@ func (s StackBlocking) DoResolveHardwareAddress6(addr netip.Addr, timeout time.D
}
func (s StackBlocking) DoLookupIP(host string, timeout time.Duration) (addrs []netip.Addr, err error) {
err = s.async.StartLookupIP(host)
return s.DoLookupIPType(host, timeout, dns.TypeA)
}
// DoLookupIPType resolves host for the given record type (dns.TypeA or dns.TypeAAAA),
// blocking until a response arrives or the timeout elapses.
func (s StackBlocking) DoLookupIPType(host string, timeout time.Duration, qtype dns.Type) (addrs []netip.Addr, err error) {
err = s.async.StartLookupIPType(host, qtype)
if err != nil {
return nil, err
}
@@ -180,7 +187,7 @@ func (s StackBlocking) DoDialTCP(conn *tcp.Conn, localPort uint16, addrp netip.A
state := conn.State()
if state == tcp.StateEstablished {
return nil
} else if state == tcp.StateSynSent || state == tcp.StateSynRcvd || conn.InternalHandler().AwaitingSynSend() {
} else if state == tcp.StateSynSent || state == tcp.StateSynRcvd || conn.AwaitingSynSend() {
if err = s.checkDeadline(deadline); err != nil {
conn.Abort()
return err