1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
package self_test
import (
"context"
"crypto/tls"
"io"
"net"
"testing"
"time"
"github.com/quic-go/quic-go"
quicproxy "github.com/quic-go/quic-go/integrationtests/tools/proxy"
"github.com/stretchr/testify/require"
)
func handshakeWithRTT(t *testing.T, serverAddr net.Addr, tlsConf *tls.Config, quicConf *quic.Config, rtt time.Duration) *quic.Conn {
t.Helper()
proxy := quicproxy.Proxy{
Conn: newUDPConnLocalhost(t),
ServerAddr: serverAddr.(*net.UDPAddr),
DelayPacket: func(quicproxy.Direction, net.Addr, net.Addr, []byte) time.Duration { return rtt / 2 },
}
require.NoError(t, proxy.Start())
t.Cleanup(func() { proxy.Close() })
ctx, cancel := context.WithTimeout(context.Background(), 10*rtt)
defer cancel()
conn, err := quic.Dial(
ctx,
newUDPConnLocalhost(t),
proxy.LocalAddr(),
tlsConf,
quicConf,
)
require.NoError(t, err)
t.Cleanup(func() { conn.CloseWithError(0, "") })
return conn
}
func TestHandshakeRTTWithoutRetry(t *testing.T) {
ln, err := quic.Listen(newUDPConnLocalhost(t), getTLSConfig(), getQuicConfig(nil))
require.NoError(t, err)
defer ln.Close()
clientConfig := getQuicConfig(&quic.Config{
GetConfigForClient: func(info *quic.ClientInfo) (*quic.Config, error) {
require.False(t, info.AddrVerified)
return nil, nil
},
})
const rtt = 400 * time.Millisecond
start := time.Now()
handshakeWithRTT(t, ln.Addr(), getTLSClientConfig(), clientConfig, rtt)
rtts := time.Since(start).Seconds() / rtt.Seconds()
require.GreaterOrEqual(t, rtts, float64(1))
require.Less(t, rtts, float64(2))
}
func TestHandshakeRTTWithRetry(t *testing.T) {
tr := &quic.Transport{
Conn: newUDPConnLocalhost(t),
VerifySourceAddress: func(net.Addr) bool { return true },
}
addTracer(tr)
defer tr.Close()
ln, err := tr.Listen(getTLSConfig(), getQuicConfig(nil))
require.NoError(t, err)
defer ln.Close()
clientConfig := getQuicConfig(&quic.Config{
GetConfigForClient: func(info *quic.ClientInfo) (*quic.Config, error) {
require.True(t, info.AddrVerified)
return nil, nil
},
})
const rtt = 400 * time.Millisecond
start := time.Now()
handshakeWithRTT(t, ln.Addr(), getTLSClientConfig(), clientConfig, rtt)
rtts := time.Since(start).Seconds() / rtt.Seconds()
require.GreaterOrEqual(t, rtts, float64(2))
require.Less(t, rtts, float64(3))
}
func TestHandshakeRTTWithHelloRetryRequest(t *testing.T) {
tlsConf := getTLSConfig()
tlsConf.CurvePreferences = []tls.CurveID{tls.CurveP384}
ln, err := quic.Listen(newUDPConnLocalhost(t), tlsConf, getQuicConfig(nil))
require.NoError(t, err)
defer ln.Close()
const rtt = 400 * time.Millisecond
start := time.Now()
handshakeWithRTT(t, ln.Addr(), getTLSClientConfig(), getQuicConfig(nil), rtt)
rtts := time.Since(start).Seconds() / rtt.Seconds()
require.GreaterOrEqual(t, rtts, float64(2))
require.Less(t, rtts, float64(3))
}
func TestHandshakeRTTReceiveMessage(t *testing.T) {
sendAndReceive := func(t *testing.T, serverConn, clientConn *quic.Conn) {
t.Helper()
serverStr, err := serverConn.OpenUniStream()
require.NoError(t, err)
_, err = serverStr.Write([]byte("foobar"))
require.NoError(t, err)
require.NoError(t, serverStr.Close())
str, err := clientConn.AcceptUniStream(context.Background())
require.NoError(t, err)
data, err := io.ReadAll(str)
require.NoError(t, err)
require.Equal(t, []byte("foobar"), data)
}
t.Run("using Listen", func(t *testing.T) {
ln, err := quic.Listen(newUDPConnLocalhost(t), getTLSConfig(), getQuicConfig(nil))
require.NoError(t, err)
defer ln.Close()
connChan := make(chan *quic.Conn, 1)
go func() {
conn, err := ln.Accept(context.Background())
if err != nil {
t.Logf("failed to accept connection: %s", err)
close(connChan)
return
}
connChan <- conn
}()
const rtt = 400 * time.Millisecond
start := time.Now()
conn := handshakeWithRTT(t, ln.Addr(), getTLSClientConfig(), getQuicConfig(nil), rtt)
serverConn := <-connChan
if serverConn == nil {
t.Fatal("serverConn is nil")
}
sendAndReceive(t, serverConn, conn)
rtts := time.Since(start).Seconds() / rtt.Seconds()
require.GreaterOrEqual(t, rtts, float64(2))
require.Less(t, rtts, float64(3))
})
t.Run("using ListenEarly", func(t *testing.T) {
ln, err := quic.ListenEarly(newUDPConnLocalhost(t), getTLSConfig(), getQuicConfig(nil))
require.NoError(t, err)
defer ln.Close()
connChan := make(chan *quic.Conn, 1)
go func() {
conn, err := ln.Accept(context.Background())
if err != nil {
t.Logf("failed to accept connection: %s", err)
close(connChan)
return
}
connChan <- conn
}()
const rtt = 400 * time.Millisecond
start := time.Now()
conn := handshakeWithRTT(t, ln.Addr(), getTLSClientConfig(), getQuicConfig(nil), rtt)
serverConn := <-connChan
if serverConn == nil {
t.Fatal("serverConn is nil")
}
sendAndReceive(t, serverConn, conn)
took := time.Since(start)
rtts := float64(took) / float64(rtt)
require.GreaterOrEqual(t, rtts, float64(1))
require.Less(t, rtts, float64(2))
})
}
|
