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add ipv6 to xnet.StackAsync (#107)

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* add ipv6 to xnet.StackAsync

* dns improvements

* improve DNS workings of StackAsync

* add tentative ICMPv6

* work on prefixes and fix some small bugs, plan UDP/TCP6

* fix bugs in StackAsync and ipv4.Prefix.Contains

* update arpsubtable

* completely remove legacy internet.StackIP for StackIPv4/v6

* ipv4/ipv6 tcp/udp

* add TCP6/UDP6 dialing APIs

* add xnet.Stack6 interface

* more ipv6 integration into StackAsync; various tweaks to lneto and documentation+TODOs

* add stack6 tests

* replace netip.Prefix with ipv4.Prefix where it makes sense
This commit is contained in:
Pat Whittingslow
2026-05-13 15:31:18 -03:00
committed by GitHub
parent 7d5830d7ab
commit a2970b923d
44 changed files with 1938 additions and 395 deletions
Download Patch File Download Diff File Expand all files Collapse all files
internet/stackbasic_test.go
+13 -13
View File
@@ -11,7 +11,7 @@ import (
func TestBasicStack(t *testing.T) {
rng := rand.New(rand.NewSource(1))
var sbCl, sbSv StackIP
var sbCl, sbSv StackIPv4
var connCl, connSv tcp.Conn
setupClientServer(t, rng, &sbCl, &sbSv, &connCl, &connSv)
var buf [2048]byte
@@ -37,13 +37,13 @@ func TestBasicStack(t *testing.T) {
func TestBasicStack2(t *testing.T) {
rng := rand.New(rand.NewSource(1))
var sbCl, sbSv StackIP
var sbCl, sbSv StackIPv4
var connCl, connSv tcp.Conn
setupClientServerEstablished(t, rng, &sbCl, &sbSv, &connCl, &connSv)
}
func expectExchange(t *testing.T, from, to *StackIP, buf []byte) {
func expectExchange(t *testing.T, from, to lneto.StackNode, buf []byte) {
t.Helper()
n, err := from.Encapsulate(buf, 0, 0)
if err != nil {
@@ -58,13 +58,13 @@ func expectExchange(t *testing.T, from, to *StackIP, buf []byte) {
}
}
func setupClientServerEstablished(t *testing.T, rng *rand.Rand, client, server *StackIP, connClient, connServer *tcp.Conn) {
func setupClientServerEstablished(t *testing.T, rng *rand.Rand, client, server *StackIPv4, connClient, connServer *tcp.Conn) {
t.Helper()
setupClientServer(t, rng, client, server, connClient, connServer)
testClientServerEstablish(t, client, server, connClient, connServer)
}
func testClientServerEstablish(t *testing.T, client, server *StackIP, connClient, connServer *tcp.Conn) {
func testClientServerEstablish(t *testing.T, client, server lneto.StackNode, connClient, connServer *tcp.Conn) {
t.Helper()
var buf [2048]byte
nextToSend := client
@@ -93,7 +93,7 @@ func testClientServerEstablish(t *testing.T, client, server *StackIP, connClient
func TestBasicStack6(t *testing.T) {
rng := rand.New(rand.NewSource(1))
var sbCl, sbSv StackIP
var sbCl, sbSv StackIPv6
var connCl, connSv tcp.Conn
setupClientServer6(t, rng, &sbCl, &sbSv, &connCl, &connSv)
var buf [2048]byte
@@ -119,13 +119,13 @@ func TestBasicStack6(t *testing.T) {
func TestBasicStack6Established(t *testing.T) {
rng := rand.New(rand.NewSource(1))
var sbCl, sbSv StackIP
var sbCl, sbSv StackIPv6
var connCl, connSv tcp.Conn
setupClientServer6(t, rng, &sbCl, &sbSv, &connCl, &connSv)
testClientServerEstablish(t, &sbCl, &sbSv, &connCl, &connSv)
}
func setupClientServer6(t *testing.T, rng *rand.Rand, client, server *StackIP, connClient, connServer *tcp.Conn) {
func setupClientServer6(t *testing.T, rng *rand.Rand, client, server *StackIPv6, connClient, connServer *tcp.Conn) {
t.Helper()
_ = rng
const maxNodes = 1
@@ -134,10 +134,10 @@ func setupClientServer6(t *testing.T, rng *rand.Rand, client, server *StackIP, c
clip6 := netip.AddrFrom16([16]byte{0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2}) // 2001:db8::2
svip := netip.AddrPortFrom(svip6, 80)
clip := netip.AddrPortFrom(clip6, 1337)
if err := server.Reset(new(lneto.Validator), 0, maxNodes); err != nil {
if err := server.Reset(new(lneto.Validator), maxNodes); err != nil {
t.Fatal(err)
}
if err := client.Reset(new(lneto.Validator), 0, maxNodes); err != nil {
if err := client.Reset(new(lneto.Validator), maxNodes); err != nil {
t.Fatal(err)
}
server.SetAddr6(svip6.As16())
@@ -172,14 +172,14 @@ func setupClientServer6(t *testing.T, rng *rand.Rand, client, server *StackIP, c
}
}
func setupClientServer(t *testing.T, rng *rand.Rand, client, server *StackIP, connClient, connServer *tcp.Conn) {
func setupClientServer(t *testing.T, rng *rand.Rand, client, server *StackIPv4, connClient, connServer *tcp.Conn) {
const maxNodes = 1
bufsize := 2048
// Ensure buffer sizes are OK with reused buffers.
svip := netip.AddrPortFrom(netip.AddrFrom4([4]byte{192, 168, 1, 0}), 80)
clip := netip.AddrPortFrom(netip.AddrFrom4([4]byte{192, 168, 1, 1}), 1337)
server.Reset(new(lneto.Validator), maxNodes, 0)
client.Reset(new(lneto.Validator), maxNodes, 0)
server.Reset(new(lneto.Validator), maxNodes)
client.Reset(new(lneto.Validator), maxNodes)
server.SetAddr4(svip.Addr().As4())
client.SetAddr4(clip.Addr().As4())
err := connServer.Configure(tcp.ConnConfig{