ceremonyclient/go-libp2p/p2p/test/quic/quic_test.go

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2023-08-21 03:50:38 +00:00
package quic_test
import (
"context"
"testing"
"time"
"github.com/libp2p/go-libp2p"
"github.com/libp2p/go-libp2p/core/network"
"github.com/libp2p/go-libp2p/core/peer"
libp2pquic "github.com/libp2p/go-libp2p/p2p/transport/quic"
"github.com/libp2p/go-libp2p/p2p/transport/quicreuse"
webtransport "github.com/libp2p/go-libp2p/p2p/transport/webtransport"
ma "github.com/multiformats/go-multiaddr"
"github.com/stretchr/testify/require"
)
func getQUICMultiaddrCode(addr ma.Multiaddr) int {
if _, err := addr.ValueForProtocol(ma.P_QUIC); err == nil {
return ma.P_QUIC
}
if _, err := addr.ValueForProtocol(ma.P_QUIC_V1); err == nil {
return ma.P_QUIC_V1
}
return 0
}
func TestQUICVersions(t *testing.T) {
h1, err := libp2p.New(
libp2p.Transport(libp2pquic.NewTransport),
libp2p.Transport(webtransport.New),
libp2p.ListenAddrStrings(
"/ip4/127.0.0.1/udp/12345/quic", // QUIC draft-29
"/ip4/127.0.0.1/udp/12345/quic-v1", // QUIC v1
),
)
require.NoError(t, err)
defer h1.Close()
addrs := h1.Addrs()
require.Len(t, addrs, 2)
var quicDraft29Addr, quicV1Addr ma.Multiaddr
for _, addr := range addrs {
switch getQUICMultiaddrCode(addr) {
case ma.P_QUIC:
quicDraft29Addr = addr
case ma.P_QUIC_V1:
quicV1Addr = addr
}
}
require.NotNil(t, quicDraft29Addr, "expected to be listening on a QUIC draft-29 address")
require.NotNil(t, quicV1Addr, "expected to be listening on a QUIC v1 address")
ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
defer cancel()
// connect using QUIC draft-29
h2, err := libp2p.New(
libp2p.Transport(libp2pquic.NewTransport),
)
require.NoError(t, err)
require.NoError(t, h2.Connect(ctx, peer.AddrInfo{ID: h1.ID(), Addrs: []ma.Multiaddr{quicDraft29Addr}}))
conns := h2.Network().ConnsToPeer(h1.ID())
require.Len(t, conns, 1)
require.Equal(t, ma.P_QUIC, getQUICMultiaddrCode(conns[0].LocalMultiaddr()))
require.Equal(t, ma.P_QUIC, getQUICMultiaddrCode(conns[0].RemoteMultiaddr()))
h2.Close()
// connect using QUIC v1
h3, err := libp2p.New(
libp2p.Transport(libp2pquic.NewTransport),
)
require.NoError(t, err)
require.NoError(t, h3.Connect(ctx, peer.AddrInfo{ID: h1.ID(), Addrs: []ma.Multiaddr{quicV1Addr}}))
conns = h3.Network().ConnsToPeer(h1.ID())
require.Len(t, conns, 1)
require.Equal(t, ma.P_QUIC_V1, getQUICMultiaddrCode(conns[0].LocalMultiaddr()))
require.Equal(t, ma.P_QUIC_V1, getQUICMultiaddrCode(conns[0].RemoteMultiaddr()))
h3.Close()
}
func TestDisableQUICDraft29(t *testing.T) {
h1, err := libp2p.New(
libp2p.QUICReuse(quicreuse.NewConnManager, quicreuse.DisableDraft29()),
libp2p.Transport(libp2pquic.NewTransport),
libp2p.Transport(webtransport.New),
libp2p.ListenAddrStrings(
"/ip4/127.0.0.1/udp/12346/quic", // QUIC draft-29
"/ip4/127.0.0.1/udp/12346/quic-v1", // QUIC v1
),
)
require.NoError(t, err)
defer h1.Close()
addrs := h1.Addrs()
require.Len(t, addrs, 1)
require.Equal(t, ma.P_QUIC_V1, getQUICMultiaddrCode(addrs[0]))
// connect using QUIC draft-29
h2, err := libp2p.New(
libp2p.Transport(libp2pquic.NewTransport),
)
require.NoError(t, err)
defer h2.Close()
// We disabled QUIC Version Negotiation, so we will _not_ receive a Version Negotiation packet.
// Instead, the connection will run into the context timeout.
ctx, cancel := context.WithTimeout(context.Background(), 300*time.Microsecond)
defer cancel()
require.ErrorIs(t,
h2.Connect(ctx, peer.AddrInfo{ID: h1.ID(), Addrs: []ma.Multiaddr{ma.StringCast("/ip4/127.0.0.1/udp/12346/quic")}}),
context.DeadlineExceeded,
)
// make sure that dialing QUIC v1 works
ctx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
require.NoError(t, h2.Connect(ctx, peer.AddrInfo{ID: h1.ID(), Addrs: []ma.Multiaddr{addrs[0]}}))
}
func TestQUICAndWebTransport(t *testing.T) {
h1, err := libp2p.New(
libp2p.QUICReuse(quicreuse.NewConnManager),
libp2p.Transport(libp2pquic.NewTransport),
libp2p.Transport(webtransport.New),
libp2p.ListenAddrStrings(
"/ip4/127.0.0.1/udp/12347/quic/",
"/ip4/127.0.0.1/udp/12347/quic-v1",
"/ip4/127.0.0.1/udp/12347/quic-v1/webtransport",
),
)
require.NoError(t, err)
defer h1.Close()
addrs := h1.Addrs()
require.Len(t, addrs, 3)
var quicDraft29Addr, quicV1Addr, webtransportAddr ma.Multiaddr
for _, addr := range addrs {
if _, err := addr.ValueForProtocol(ma.P_WEBTRANSPORT); err == nil {
webtransportAddr = addr
} else if _, err := addr.ValueForProtocol(ma.P_QUIC_V1); err == nil {
quicV1Addr = addr
} else {
quicDraft29Addr = addr
}
}
require.NotNil(t, webtransportAddr, "expected to have a WebTransport address")
require.NotNil(t, quicDraft29Addr, "expected to have a QUIC draft-29 address")
require.NotNil(t, quicV1Addr, "expected to have a QUIC v1 address")
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
// first test that we can dial a QUIC v1
h2, err := libp2p.New(
libp2p.Transport(libp2pquic.NewTransport),
libp2p.NoListenAddrs,
)
require.NoError(t, err)
require.NoError(t, h2.Connect(ctx, peer.AddrInfo{ID: h1.ID(), Addrs: h1.Addrs()}))
for _, conns := range [][]network.Conn{h2.Network().ConnsToPeer(h1.ID()), h1.Network().ConnsToPeer(h2.ID())} {
require.Len(t, conns, 1)
if _, err := conns[0].LocalMultiaddr().ValueForProtocol(ma.P_WEBTRANSPORT); err == nil {
t.Fatalf("expected a QUIC connection, got a WebTransport connection (%s <-> %s)", conns[0].LocalMultiaddr(), conns[0].RemoteMultiaddr())
}
require.Equal(t, ma.P_QUIC_V1, getQUICMultiaddrCode(conns[0].LocalMultiaddr()))
require.Equal(t, ma.P_QUIC_V1, getQUICMultiaddrCode(conns[0].RemoteMultiaddr()))
}
h2.Close()
// then test that we can dial a QUIC draft-29
h3, err := libp2p.New(
libp2p.Transport(libp2pquic.NewTransport),
libp2p.NoListenAddrs,
)
require.NoError(t, err)
require.NoError(t, h3.Connect(ctx, peer.AddrInfo{
ID: h1.ID(),
// a libp2p host will prefer dialing v1 if it supports both versions,
// so we need to filter the addresses so it thinks that h1 only supports draft-29
Addrs: ma.FilterAddrs(h1.Addrs(), func(addr ma.Multiaddr) bool { _, err := addr.ValueForProtocol(ma.P_QUIC); return err == nil }),
}))
for _, conns := range [][]network.Conn{h3.Network().ConnsToPeer(h1.ID()), h1.Network().ConnsToPeer(h3.ID())} {
require.Len(t, conns, 1)
if _, err := conns[0].LocalMultiaddr().ValueForProtocol(ma.P_WEBTRANSPORT); err == nil {
t.Fatalf("expected a QUIC connection, got a WebTransport connection (%s <-> %s)", conns[0].LocalMultiaddr(), conns[0].RemoteMultiaddr())
}
require.Equal(t, ma.P_QUIC, getQUICMultiaddrCode(conns[0].LocalMultiaddr()))
require.Equal(t, ma.P_QUIC, getQUICMultiaddrCode(conns[0].RemoteMultiaddr()))
}
h3.Close()
// finally, test that we can dial a WebTransport connection
h4, err := libp2p.New(
libp2p.Transport(webtransport.New),
libp2p.NoListenAddrs,
)
require.NoError(t, err)
require.NoError(t, h4.Connect(ctx, peer.AddrInfo{ID: h1.ID(), Addrs: h1.Addrs()}))
for _, conns := range [][]network.Conn{h4.Network().ConnsToPeer(h1.ID()), h1.Network().ConnsToPeer(h4.ID())} {
require.Len(t, conns, 1)
if _, err := conns[0].LocalMultiaddr().ValueForProtocol(ma.P_WEBTRANSPORT); err != nil {
t.Fatalf("expected a WebTransport connection, got a QUIC connection (%s <-> %s)", conns[0].LocalMultiaddr(), conns[0].RemoteMultiaddr())
}
require.Equal(t, ma.P_QUIC_V1, getQUICMultiaddrCode(conns[0].LocalMultiaddr()))
require.Equal(t, ma.P_QUIC_V1, getQUICMultiaddrCode(conns[0].RemoteMultiaddr()))
}
h4.Close()
}