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
231
232
233
234
235
236
use std::{
net,
rc::Rc,
time::{Duration, Instant},
};
use bytes::BytesMut;
use crate::{date::DateService, KeepAlive};
#[derive(Debug, Clone)]
pub struct ServiceConfig(Rc<Inner>);
#[derive(Debug)]
struct Inner {
keep_alive: KeepAlive,
client_request_timeout: Duration,
client_disconnect_timeout: Duration,
secure: bool,
local_addr: Option<std::net::SocketAddr>,
date_service: DateService,
}
impl Default for ServiceConfig {
fn default() -> Self {
Self::new(
KeepAlive::default(),
Duration::from_secs(5),
Duration::ZERO,
false,
None,
)
}
}
impl ServiceConfig {
pub fn new(
keep_alive: KeepAlive,
client_request_timeout: Duration,
client_disconnect_timeout: Duration,
secure: bool,
local_addr: Option<net::SocketAddr>,
) -> ServiceConfig {
ServiceConfig(Rc::new(Inner {
keep_alive: keep_alive.normalize(),
client_request_timeout,
client_disconnect_timeout,
secure,
local_addr,
date_service: DateService::new(),
}))
}
#[inline]
pub fn secure(&self) -> bool {
self.0.secure
}
#[inline]
pub fn local_addr(&self) -> Option<net::SocketAddr> {
self.0.local_addr
}
#[inline]
pub fn keep_alive(&self) -> KeepAlive {
self.0.keep_alive
}
pub fn keep_alive_deadline(&self) -> Option<Instant> {
match self.keep_alive() {
KeepAlive::Timeout(dur) => Some(self.now() + dur),
KeepAlive::Os => None,
KeepAlive::Disabled => None,
}
}
pub fn client_request_deadline(&self) -> Option<Instant> {
let timeout = self.0.client_request_timeout;
(timeout != Duration::ZERO).then(|| self.now() + timeout)
}
pub fn client_disconnect_deadline(&self) -> Option<Instant> {
let timeout = self.0.client_disconnect_timeout;
(timeout != Duration::ZERO).then(|| self.now() + timeout)
}
pub(crate) fn now(&self) -> Instant {
self.0.date_service.now()
}
#[doc(hidden)]
pub fn write_date_header(&self, dst: &mut BytesMut, camel_case: bool) {
let mut buf: [u8; 37] = [0; 37];
buf[..6].copy_from_slice(if camel_case { b"Date: " } else { b"date: " });
self.0
.date_service
.with_date(|date| buf[6..35].copy_from_slice(&date.bytes));
buf[35..].copy_from_slice(b"\r\n");
dst.extend_from_slice(&buf);
}
#[allow(unused)]
pub(crate) fn write_date_header_value(&self, dst: &mut BytesMut) {
self.0
.date_service
.with_date(|date| dst.extend_from_slice(&date.bytes));
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::{date::DATE_VALUE_LENGTH, notify_on_drop};
use actix_rt::{
task::yield_now,
time::{sleep, sleep_until},
};
use memchr::memmem;
#[actix_rt::test]
async fn test_date_service_update() {
let settings =
ServiceConfig::new(KeepAlive::Os, Duration::ZERO, Duration::ZERO, false, None);
yield_now().await;
let mut buf1 = BytesMut::with_capacity(DATE_VALUE_LENGTH + 10);
settings.write_date_header(&mut buf1, false);
let now1 = settings.now();
sleep_until((Instant::now() + Duration::from_secs(2)).into()).await;
yield_now().await;
let now2 = settings.now();
let mut buf2 = BytesMut::with_capacity(DATE_VALUE_LENGTH + 10);
settings.write_date_header(&mut buf2, false);
assert_ne!(now1, now2);
assert_ne!(buf1, buf2);
drop(settings);
let mut times = 0;
while !notify_on_drop::is_dropped() {
sleep(Duration::from_millis(100)).await;
times += 1;
assert!(times < 10, "Timeout waiting for task drop");
}
}
#[actix_rt::test]
async fn test_date_service_drop() {
let service = Rc::new(DateService::new());
yield_now().await;
let clone1 = service.clone();
let clone2 = service.clone();
let clone3 = service.clone();
drop(clone1);
assert!(!notify_on_drop::is_dropped());
drop(clone2);
assert!(!notify_on_drop::is_dropped());
drop(clone3);
assert!(!notify_on_drop::is_dropped());
drop(service);
let mut times = 0;
while !notify_on_drop::is_dropped() {
sleep(Duration::from_millis(100)).await;
times += 1;
assert!(times < 10, "Timeout waiting for task drop");
}
}
#[test]
fn test_date_len() {
assert_eq!(DATE_VALUE_LENGTH, "Sun, 06 Nov 1994 08:49:37 GMT".len());
}
#[actix_rt::test]
async fn test_date() {
let settings = ServiceConfig::default();
let mut buf1 = BytesMut::with_capacity(DATE_VALUE_LENGTH + 10);
settings.write_date_header(&mut buf1, false);
let mut buf2 = BytesMut::with_capacity(DATE_VALUE_LENGTH + 10);
settings.write_date_header(&mut buf2, false);
assert_eq!(buf1, buf2);
}
#[actix_rt::test]
async fn test_date_camel_case() {
let settings = ServiceConfig::default();
let mut buf = BytesMut::with_capacity(DATE_VALUE_LENGTH + 10);
settings.write_date_header(&mut buf, false);
assert!(memmem::find(&buf, b"date:").is_some());
let mut buf = BytesMut::with_capacity(DATE_VALUE_LENGTH + 10);
settings.write_date_header(&mut buf, true);
assert!(memmem::find(&buf, b"Date:").is_some());
}
}