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swarm_test: support more transports for GenSwarm #3130

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swarm_test: support more transports for GenSwarm #3130

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23 changes: 21 additions & 2 deletions p2p/net/swarm/swarm_notif_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ import (
. "github.com/libp2p/go-libp2p/p2p/net/swarm"

ma "github.com/multiformats/go-multiaddr"
manet "github.com/multiformats/go-multiaddr/net"

"github.com/stretchr/testify/require"
)
Expand Down Expand Up @@ -93,11 +94,29 @@ func TestNotifications(t *testing.T) {
}
}

normalizeAddrs := func(a ma.Multiaddr, isLocal bool) ma.Multiaddr {
// remove certhashes
x, _ := ma.SplitFunc(a, func(c ma.Component) bool {
return c.Protocol().Code == ma.P_CERTHASH
})
// on local addrs, replace 0.0.0.0 with 127.0.0.1
if isLocal {
if manet.IsIPUnspecified(x) {
ip, rest := ma.SplitFirst(x)
if ip.Protocol().Code == ma.P_IP4 {
return ma.StringCast("/ip4/127.0.0.1").Encapsulate(rest)
} else {
return ma.StringCast("/ip6/::1").Encapsulate(rest)
}
}
}
return x
}
complement := func(c network.Conn) (*Swarm, *netNotifiee, *Conn) {
for i, s := range swarms {
for _, c2 := range s.Conns() {
if c.LocalMultiaddr().Equal(c2.RemoteMultiaddr()) &&
c2.LocalMultiaddr().Equal(c.RemoteMultiaddr()) {
if normalizeAddrs(c.LocalMultiaddr(), true).Equal(normalizeAddrs(c2.RemoteMultiaddr(), false)) &&
normalizeAddrs(c2.LocalMultiaddr(), true).Equal(normalizeAddrs(c.RemoteMultiaddr(), false)) {
return s, notifiees[i], c2.(*Conn)
}
}
Expand Down
7 changes: 3 additions & 4 deletions p2p/net/swarm/swarm_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -79,9 +79,8 @@ func makeSwarms(t *testing.T, num int, opts ...Option) []*swarm.Swarm {

func connectSwarms(t *testing.T, ctx context.Context, swarms []*swarm.Swarm) {
var wg sync.WaitGroup
connect := func(s *swarm.Swarm, dst peer.ID, addr ma.Multiaddr) {
// TODO: make a DialAddr func.
s.Peerstore().AddAddr(dst, addr, peerstore.PermanentAddrTTL)
connect := func(s *swarm.Swarm, dst peer.ID, addrs []ma.Multiaddr) {
s.Peerstore().AddAddrs(dst, addrs, peerstore.TempAddrTTL)
if _, err := s.DialPeer(ctx, dst); err != nil {
t.Fatal("error swarm dialing to peer", err)
}
Expand All @@ -92,7 +91,7 @@ func connectSwarms(t *testing.T, ctx context.Context, swarms []*swarm.Swarm) {
for i, s1 := range swarms {
for _, s2 := range swarms[i+1:] {
wg.Add(1)
connect(s1, s2.LocalPeer(), s2.ListenAddresses()[0]) // try the first.
connect(s1, s2.LocalPeer(), s2.ListenAddresses())
}
}
wg.Wait()
Expand Down
105 changes: 96 additions & 9 deletions p2p/net/swarm/testing/testing.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package testing

import (
"crypto/rand"
"net"
"testing"
"time"

Expand All @@ -24,21 +25,26 @@ import (
libp2pquic "github.com/libp2p/go-libp2p/p2p/transport/quic"
"github.com/libp2p/go-libp2p/p2p/transport/quicreuse"
"github.com/libp2p/go-libp2p/p2p/transport/tcp"
libp2pwebrtc "github.com/libp2p/go-libp2p/p2p/transport/webrtc"
libp2pwebtransport "github.com/libp2p/go-libp2p/p2p/transport/webtransport"

ma "github.com/multiformats/go-multiaddr"
manet "github.com/multiformats/go-multiaddr/net"
"github.com/quic-go/quic-go"
"github.com/stretchr/testify/require"
)

type config struct {
disableReuseport bool
dialOnly bool
disableTCP bool
disableQUIC bool
connectionGater connmgr.ConnectionGater
sk crypto.PrivKey
swarmOpts []swarm.Option
eventBus event.Bus
disableReuseport bool
dialOnly bool
disableTCP bool
disableQUIC bool
disableWebTransport bool
disableWebRTC bool
connectionGater connmgr.ConnectionGater
sk crypto.PrivKey
swarmOpts []swarm.Option
eventBus event.Bus
clock
}

Expand Down Expand Up @@ -88,6 +94,16 @@ var OptDisableQUIC Option = func(_ testing.TB, c *config) {
c.disableQUIC = true
}

// OptDisableWebTransport disables WebTransport.
var OptDisableWebTransport Option = func(_ testing.TB, c *config) {
c.disableWebTransport = true
}

// OptDisableWebRTC disables WebRTC.
var OptDisableWebRTC Option = func(_ testing.TB, c *config) {
c.disableWebRTC = true
}

// OptConnGater configures the given connection gater on the test
func OptConnGater(cg connmgr.ConnectionGater) Option {
return func(_ testing.TB, c *config) {
Expand Down Expand Up @@ -175,8 +191,10 @@ func GenSwarm(t testing.TB, opts ...Option) *swarm.Swarm {
}
}
}
var quicListenAddr ma.Multiaddr
var reuse *quicreuse.ConnManager
if !cfg.disableQUIC {
reuse, err := quicreuse.NewConnManager(quic.StatelessResetKey{}, quic.TokenGeneratorKey{})
reuse, err = quicreuse.NewConnManager(quic.StatelessResetKey{}, quic.TokenGeneratorKey{})
if err != nil {
t.Fatal(err)
}
Expand All @@ -191,6 +209,75 @@ func GenSwarm(t testing.TB, opts ...Option) *swarm.Swarm {
if err := s.Listen(ma.StringCast("/ip4/127.0.0.1/udp/0/quic-v1")); err != nil {
t.Fatal(err)
}
for _, a := range s.ListenAddresses() {
if _, err := a.ValueForProtocol(ma.P_QUIC_V1); err == nil {
quicListenAddr = a
break
}
}
}
}
if !cfg.disableWebTransport {
if reuse == nil {
reuse, err = quicreuse.NewConnManager(quic.StatelessResetKey{}, quic.TokenGeneratorKey{})
if err != nil {
t.Fatal(err)
}
}
wtTransport, err := libp2pwebtransport.New(priv, nil, reuse, cfg.connectionGater, nil)
if err != nil {
t.Fatal(err)
}
if err := s.AddTransport(wtTransport); err != nil {
t.Fatal(err)
}
if !cfg.dialOnly {
listenAddr := ma.StringCast("/ip4/127.0.0.1/udp/0/quic-v1/webtransport")
if quicListenAddr != nil {
listenAddr = quicListenAddr.Encapsulate(ma.StringCast("/webtransport"))
}
if err := s.Listen(listenAddr); err != nil {
t.Fatal(err)
}
}
}

if !cfg.disableWebRTC {
listenUDPFn := func(network string, laddr *net.UDPAddr) (net.PacketConn, error) {
hasQuicAddrPortFor := func(network string, laddr *net.UDPAddr) bool {
quicAddrPorts := map[string]struct{}{}
for _, addr := range s.ListenAddresses() {
if _, err := addr.ValueForProtocol(ma.P_QUIC_V1); err == nil {
netw, addr, err := manet.DialArgs(addr)
if err != nil {
return false
}
quicAddrPorts[netw+"_"+addr] = struct{}{}
}
}
_, ok := quicAddrPorts[network+"_"+laddr.String()]
return ok
}
if hasQuicAddrPortFor(network, laddr) {
return reuse.SharedNonQUICPacketConn(network, laddr)
}
return net.ListenUDP(network, laddr)
}
wrtcTransport, err := libp2pwebrtc.New(priv, nil, cfg.connectionGater, nil, listenUDPFn)
if err != nil {
t.Fatal(err)
}
if err := s.AddTransport(wrtcTransport); err != nil {
t.Fatal(err)
}
if !cfg.dialOnly {
listenAddr := ma.StringCast("/ip4/127.0.0.1/udp/0/webrtc-direct")
if quicListenAddr != nil {
listenAddr = quicListenAddr.Decapsulate(ma.StringCast("/quic-v1")).Encapsulate(ma.StringCast("/webrtc-direct"))
}
if err := s.Listen(listenAddr); err != nil {
t.Fatal(err)
}
}
}
if !cfg.dialOnly {
Expand Down
2 changes: 1 addition & 1 deletion p2p/protocol/autonatv2/autonat_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ func newAutoNAT(t testing.TB, dialer host.Host, opts ...AutoNATOption) *AutoNAT
t.Helper()
b := eventbus.NewBus()
h := bhost.NewBlankHost(
swarmt.GenSwarm(t, swarmt.EventBus(b)), bhost.WithEventBus(b))
swarmt.GenSwarm(t, swarmt.EventBus(b), swarmt.OptDisableWebTransport, swarmt.OptDisableWebRTC), bhost.WithEventBus(b))
if dialer == nil {
dialer = bhost.NewBlankHost(
swarmt.GenSwarm(t,
Expand Down
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