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Berkeley rework (#62)

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* begin reworking berkeley stack and add example

* thread mock client logic

* fix mock stack in example not encapsulating when data available
This commit is contained in:
Pat Whittingslow
2026-03-25 18:43:10 -03:00
committed by GitHub
parent faae7ab076
commit e08aab7c0a
3 changed files with 425 additions and 5 deletions
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x/xnet/stack-berkeley.go
+21 -4
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@@ -51,7 +51,23 @@ func (s StackBerkeley) Socket(ctx context.Context, network string, family, sotyp
return nil, err
}
}
return s.SocketNetip(ctx, network, family, sotype, local, remote)
}
func (s StackBerkeley) SocketNetip(ctx context.Context, network string, family, sotype int, laddr, raddr netip.AddrPort) (c interface{}, err error) {
switch family {
case syscall.AF_INET:
default:
return nil, lneto.ErrUnsupported
}
if laddr.Port() == 0 {
return nil, lneto.ErrZeroSource
} else if laddr.Addr() == netip.IPv4Unspecified() {
// Specify address.
laddr = netip.AddrPortFrom(s.blk.async.ip.Addr(), laddr.Port())
} else if laddr.Addr().Is6() {
return nil, lneto.ErrUnsupported
}
switch network {
case "udp", "udp4":
return nil, lneto.ErrUnsupported
@@ -60,10 +76,10 @@ func (s StackBerkeley) Socket(ctx context.Context, network string, family, sotyp
return nil, lneto.ErrUnsupported
}
if raddr != nil {
if raddr.IsValid() && raddr.Addr() != netip.IPv4Unspecified() {
var conn tcp.Conn
// DIAL TCP: active connection a.k.a TCP Client branch.
err = s.blk.async.DialTCP(&conn, local.Port(), remote)
err = s.blk.async.DialTCP(&conn, laddr.Port(), raddr)
if err != nil {
return nil, err
}
@@ -73,7 +89,7 @@ func (s StackBerkeley) Socket(ctx context.Context, network string, family, sotyp
if state == tcp.StateEstablished {
tc := tcpconn{
Conn: &conn,
localAddr: laddr,
localAddr: net.TCPAddrFromAddrPort(laddr),
}
return tc, nil
} else if state == tcp.StateSynSent || state == tcp.StateSynRcvd || conn.InternalHandler().AwaitingSynSend() {
@@ -94,8 +110,9 @@ func (s StackBerkeley) Socket(ctx context.Context, network string, family, sotyp
return nil, err
}
var l tcplistener
l.localAddr = net.TCPAddrFromAddrPort(laddr)
l.sleep = s.blk.loopSleep
err = l.l.Reset(local.Port(), pool)
err = l.l.Reset(laddr.Port(), pool)
if err != nil {
return nil, err
}