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
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
#![warn(rust_2018_idioms)]
#![cfg(all(feature = "full", not(target_os = "wasi"), not(miri)))] // Wasi doesn't support bind
// No `socket` on miri.
use tokio::net::{TcpListener, TcpStream};
use tokio::sync::oneshot;
use tokio_test::assert_ok;
use futures::join;
#[tokio::test]
async fn connect_v4() {
let srv = assert_ok!(TcpListener::bind("127.0.0.1:0").await);
let addr = assert_ok!(srv.local_addr());
assert!(addr.is_ipv4());
let (tx, rx) = oneshot::channel();
tokio::spawn(async move {
let (socket, addr) = assert_ok!(srv.accept().await);
assert_eq!(addr, assert_ok!(socket.peer_addr()));
assert_ok!(tx.send(socket));
});
let mine = assert_ok!(TcpStream::connect(&addr).await);
let theirs = assert_ok!(rx.await);
assert_eq!(
assert_ok!(mine.local_addr()),
assert_ok!(theirs.peer_addr())
);
assert_eq!(
assert_ok!(theirs.local_addr()),
assert_ok!(mine.peer_addr())
);
}
#[tokio::test]
async fn connect_v6() {
let srv = assert_ok!(TcpListener::bind("[::1]:0").await);
let addr = assert_ok!(srv.local_addr());
assert!(addr.is_ipv6());
let (tx, rx) = oneshot::channel();
tokio::spawn(async move {
let (socket, addr) = assert_ok!(srv.accept().await);
assert_eq!(addr, assert_ok!(socket.peer_addr()));
assert_ok!(tx.send(socket));
});
let mine = assert_ok!(TcpStream::connect(&addr).await);
let theirs = assert_ok!(rx.await);
assert_eq!(
assert_ok!(mine.local_addr()),
assert_ok!(theirs.peer_addr())
);
assert_eq!(
assert_ok!(theirs.local_addr()),
assert_ok!(mine.peer_addr())
);
}
#[tokio::test]
async fn connect_addr_ip_string() {
let srv = assert_ok!(TcpListener::bind("127.0.0.1:0").await);
let addr = assert_ok!(srv.local_addr());
let addr = format!("127.0.0.1:{}", addr.port());
let server = async {
assert_ok!(srv.accept().await);
};
let client = async {
assert_ok!(TcpStream::connect(addr).await);
};
join!(server, client);
}
#[tokio::test]
async fn connect_addr_ip_str_slice() {
let srv = assert_ok!(TcpListener::bind("127.0.0.1:0").await);
let addr = assert_ok!(srv.local_addr());
let addr = format!("127.0.0.1:{}", addr.port());
let server = async {
assert_ok!(srv.accept().await);
};
let client = async {
assert_ok!(TcpStream::connect(&addr[..]).await);
};
join!(server, client);
}
#[tokio::test]
async fn connect_addr_host_string() {
let srv = assert_ok!(TcpListener::bind("127.0.0.1:0").await);
let addr = assert_ok!(srv.local_addr());
let addr = format!("localhost:{}", addr.port());
let server = async {
assert_ok!(srv.accept().await);
};
let client = async {
assert_ok!(TcpStream::connect(addr).await);
};
join!(server, client);
}
#[tokio::test]
async fn connect_addr_ip_port_tuple() {
let srv = assert_ok!(TcpListener::bind("127.0.0.1:0").await);
let addr = assert_ok!(srv.local_addr());
let addr = (addr.ip(), addr.port());
let server = async {
assert_ok!(srv.accept().await);
};
let client = async {
assert_ok!(TcpStream::connect(&addr).await);
};
join!(server, client);
}
#[tokio::test]
async fn connect_addr_ip_str_port_tuple() {
let srv = assert_ok!(TcpListener::bind("127.0.0.1:0").await);
let addr = assert_ok!(srv.local_addr());
let addr = ("127.0.0.1", addr.port());
let server = async {
assert_ok!(srv.accept().await);
};
let client = async {
assert_ok!(TcpStream::connect(&addr).await);
};
join!(server, client);
}
#[tokio::test]
async fn connect_addr_host_str_port_tuple() {
let srv = assert_ok!(TcpListener::bind("127.0.0.1:0").await);
let addr = assert_ok!(srv.local_addr());
let addr = ("localhost", addr.port());
let server = async {
assert_ok!(srv.accept().await);
};
let client = async {
assert_ok!(TcpStream::connect(&addr).await);
};
join!(server, client);
}
/*
* TODO: bring this back once TCP exposes HUP again
*
#[cfg(target_os = "linux")]
mod linux {
use tokio::net::{TcpListener, TcpStream};
use tokio::io::{AsyncReadExt, AsyncWriteExt};
use tokio_test::assert_ok;
use mio::unix::UnixReady;
use futures_util::future::poll_fn;
use std::io::Write;
use std::time::Duration;
use std::{net, thread};
#[tokio::test]
fn poll_hup() {
let addr = assert_ok!("127.0.0.1:0".parse());
let mut srv = assert_ok!(TcpListener::bind(&addr));
let addr = assert_ok!(srv.local_addr());
tokio::spawn(async move {
let (mut client, _) = assert_ok!(srv.accept().await);
assert_ok!(client.set_linger(Some(Duration::from_millis(0))));
assert_ok!(client.write_all(b"hello world").await);
// TODO: Drop?
});
/*
let t = thread::spawn(move || {
let mut client = assert_ok!(srv.accept()).0;
client.set_linger(Some(Duration::from_millis(0))).unwrap();
client.write(b"hello world").unwrap();
thread::sleep(Duration::from_millis(200));
});
*/
let mut stream = assert_ok!(TcpStream::connect(&addr).await);
// Poll for HUP before reading.
future::poll_fn(|| stream.poll_read_ready(UnixReady::hup().into()))
.wait()
.unwrap();
// Same for write half
future::poll_fn(|| stream.poll_write_ready())
.wait()
.unwrap();
let mut buf = vec![0; 11];
// Read the data
future::poll_fn(|| stream.poll_read(&mut buf))
.wait()
.unwrap();
assert_eq!(b"hello world", &buf[..]);
t.join().unwrap();
}
}
*/
|
