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
use std::net::SocketAddr;
use crate::{
authority::MessageRequest,
client::op::LowerQuery,
proto::op::{Header, ResponseCode},
server::{Protocol, ResponseHandler},
};
#[derive(Debug)]
pub struct Request {
message: MessageRequest,
src: SocketAddr,
protocol: Protocol,
}
impl Request {
pub fn new(message: MessageRequest, src: SocketAddr, protocol: Protocol) -> Self {
Self {
message,
src,
protocol,
}
}
pub fn request_info(&self) -> RequestInfo<'_> {
RequestInfo {
src: self.src,
protocol: self.protocol,
header: self.message.header(),
query: self.message.query(),
}
}
pub fn src(&self) -> SocketAddr {
self.src
}
pub fn protocol(&self) -> Protocol {
self.protocol
}
}
impl std::ops::Deref for Request {
type Target = MessageRequest;
fn deref(&self) -> &Self::Target {
&self.message
}
}
#[non_exhaustive]
#[derive(Clone)]
pub struct RequestInfo<'a> {
pub src: SocketAddr,
pub protocol: Protocol,
pub header: &'a Header,
pub query: &'a LowerQuery,
}
impl<'a> RequestInfo<'a> {
pub fn new(
src: SocketAddr,
protocol: Protocol,
header: &'a Header,
query: &'a LowerQuery,
) -> Self {
Self {
src,
protocol,
header,
query,
}
}
}
#[derive(Clone, Copy)]
#[repr(transparent)]
pub struct ResponseInfo(Header);
impl ResponseInfo {
pub(crate) fn serve_failed() -> Self {
let mut header = Header::new();
header.set_response_code(ResponseCode::ServFail);
header.into()
}
}
impl From<Header> for ResponseInfo {
fn from(header: Header) -> Self {
Self(header)
}
}
impl std::ops::Deref for ResponseInfo {
type Target = Header;
fn deref(&self) -> &Self::Target {
&self.0
}
}
#[async_trait::async_trait]
pub trait RequestHandler: Send + Sync + Unpin + 'static {
async fn handle_request<R: ResponseHandler>(
&self,
request: &Request,
response_handle: R,
) -> ResponseInfo;
}
#[cfg(test)]
mod tests {
use trust_dns_client::op::{Header, Query};
use crate::server::Protocol;
use super::RequestInfo;
#[test]
fn request_info_clone() {
let query: Query = Query::new();
let header = Header::new();
let lower_query = query.into();
let origin = RequestInfo::new(
"127.0.0.1:3000".parse().unwrap(),
Protocol::Udp,
&header,
&lower_query,
);
let cloned = origin.clone();
assert_eq!(origin.header, cloned.header);
}
}