forked from chungthuang/quic-go
-
Notifications
You must be signed in to change notification settings - Fork 0
/
deadline_test.go
214 lines (195 loc) · 5.94 KB
/
deadline_test.go
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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
package self_test
import (
"context"
"fmt"
"io"
"net"
"time"
"github.com/lucas-clemente/quic-go"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Stream deadline tests", func() {
setup := func() (quic.Listener, quic.Stream, quic.Stream) {
server, err := quic.ListenAddr("localhost:0", getTLSConfig(), getQuicConfig(nil))
Expect(err).ToNot(HaveOccurred())
strChan := make(chan quic.SendStream)
go func() {
defer GinkgoRecover()
conn, err := server.Accept(context.Background())
Expect(err).ToNot(HaveOccurred())
str, err := conn.AcceptStream(context.Background())
Expect(err).ToNot(HaveOccurred())
_, err = str.Read([]byte{0})
Expect(err).ToNot(HaveOccurred())
strChan <- str
}()
conn, err := quic.DialAddr(
fmt.Sprintf("localhost:%d", server.Addr().(*net.UDPAddr).Port),
getTLSClientConfig(),
getQuicConfig(nil),
)
Expect(err).ToNot(HaveOccurred())
clientStr, err := conn.OpenStream()
Expect(err).ToNot(HaveOccurred())
_, err = clientStr.Write([]byte{0}) // need to write one byte so the server learns about the stream
Expect(err).ToNot(HaveOccurred())
var serverStr quic.Stream
Eventually(strChan).Should(Receive(&serverStr))
return server, serverStr, clientStr
}
Context("read deadlines", func() {
It("completes a transfer when the deadline is set", func() {
server, serverStr, clientStr := setup()
defer server.Close()
const timeout = time.Millisecond
done := make(chan struct{})
go func() {
defer GinkgoRecover()
_, err := serverStr.Write(PRDataLong)
Expect(err).ToNot(HaveOccurred())
close(done)
}()
var bytesRead int
var timeoutCounter int
buf := make([]byte, 1<<10)
data := make([]byte, len(PRDataLong))
clientStr.SetReadDeadline(time.Now().Add(timeout))
for bytesRead < len(PRDataLong) {
n, err := clientStr.Read(buf)
if nerr, ok := err.(net.Error); ok && nerr.Timeout() {
timeoutCounter++
clientStr.SetReadDeadline(time.Now().Add(timeout))
} else {
Expect(err).ToNot(HaveOccurred())
}
copy(data[bytesRead:], buf[:n])
bytesRead += n
}
Expect(data).To(Equal(PRDataLong))
// make sure the test actually worked and Read actually ran into the deadline a few times
Expect(timeoutCounter).To(BeNumerically(">=", 10))
Eventually(done).Should(BeClosed())
})
It("completes a transfer when the deadline is set concurrently", func() {
server, serverStr, clientStr := setup()
defer server.Close()
const timeout = time.Millisecond
go func() {
defer GinkgoRecover()
_, err := serverStr.Write(PRDataLong)
Expect(err).ToNot(HaveOccurred())
}()
var bytesRead int
var timeoutCounter int
buf := make([]byte, 1<<10)
data := make([]byte, len(PRDataLong))
clientStr.SetReadDeadline(time.Now().Add(timeout))
deadlineDone := make(chan struct{})
received := make(chan struct{})
go func() {
defer close(deadlineDone)
for {
select {
case <-received:
return
default:
time.Sleep(timeout)
}
clientStr.SetReadDeadline(time.Now().Add(timeout))
}
}()
for bytesRead < len(PRDataLong) {
n, err := clientStr.Read(buf)
if nerr, ok := err.(net.Error); ok && nerr.Timeout() {
timeoutCounter++
} else {
Expect(err).ToNot(HaveOccurred())
}
copy(data[bytesRead:], buf[:n])
bytesRead += n
}
close(received)
Expect(data).To(Equal(PRDataLong))
// make sure the test actually worked an Read actually ran into the deadline a few times
Expect(timeoutCounter).To(BeNumerically(">=", 10))
Eventually(deadlineDone).Should(BeClosed())
})
})
Context("write deadlines", func() {
It("completes a transfer when the deadline is set", func() {
server, serverStr, clientStr := setup()
defer server.Close()
const timeout = time.Millisecond
done := make(chan struct{})
go func() {
defer GinkgoRecover()
data, err := io.ReadAll(serverStr)
Expect(err).ToNot(HaveOccurred())
Expect(data).To(Equal(PRDataLong))
close(done)
}()
var bytesWritten int
var timeoutCounter int
clientStr.SetWriteDeadline(time.Now().Add(timeout))
for bytesWritten < len(PRDataLong) {
n, err := clientStr.Write(PRDataLong[bytesWritten:])
if nerr, ok := err.(net.Error); ok && nerr.Timeout() {
timeoutCounter++
clientStr.SetWriteDeadline(time.Now().Add(timeout))
} else {
Expect(err).ToNot(HaveOccurred())
}
bytesWritten += n
}
clientStr.Close()
// make sure the test actually worked an Read actually ran into the deadline a few times
Expect(timeoutCounter).To(BeNumerically(">=", 10))
Eventually(done).Should(BeClosed())
})
It("completes a transfer when the deadline is set concurrently", func() {
server, serverStr, clientStr := setup()
defer server.Close()
const timeout = time.Millisecond
readDone := make(chan struct{})
go func() {
defer GinkgoRecover()
data, err := io.ReadAll(serverStr)
Expect(err).ToNot(HaveOccurred())
Expect(data).To(Equal(PRDataLong))
close(readDone)
}()
clientStr.SetWriteDeadline(time.Now().Add(timeout))
deadlineDone := make(chan struct{})
go func() {
defer close(deadlineDone)
for {
select {
case <-readDone:
return
default:
time.Sleep(timeout)
}
clientStr.SetWriteDeadline(time.Now().Add(timeout))
}
}()
var bytesWritten int
var timeoutCounter int
clientStr.SetWriteDeadline(time.Now().Add(timeout))
for bytesWritten < len(PRDataLong) {
n, err := clientStr.Write(PRDataLong[bytesWritten:])
if nerr, ok := err.(net.Error); ok && nerr.Timeout() {
timeoutCounter++
} else {
Expect(err).ToNot(HaveOccurred())
}
bytesWritten += n
}
clientStr.Close()
// make sure the test actually worked an Read actually ran into the deadline a few times
Expect(timeoutCounter).To(BeNumerically(">=", 10))
Eventually(readDone).Should(BeClosed())
Eventually(deadlineDone).Should(BeClosed())
})
})
})