lightws/error/
handshake.rs

1use std::fmt::{Display, Formatter};
2
3#[derive(Debug, PartialEq, Eq)]
4pub enum HandshakeError {
5    // http error
6    HttpVersion,
7
8    HttpMethod,
9
10    HttpSatusCode,
11
12    HttpHost,
13
14    // websocket error
15    Upgrade,
16
17    Connection,
18
19    SecWebSocketKey,
20
21    SecWebSocketAccept,
22
23    SecWebSocketVersion,
24
25    // other error
26
27    // read
28    NotEnoughData,
29
30    // write
31    NotEnoughCapacity,
32
33    Httparse(httparse::Error),
34
35    Manual(&'static str),
36}
37
38impl Display for HandshakeError {
39    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
40        use HandshakeError::*;
41        match self {
42            // http error
43            HttpVersion => write!(f, "Illegal http version"),
44
45            HttpMethod => write!(f, "Illegal http method"),
46
47            HttpSatusCode => write!(f, "Illegal http status code"),
48
49            HttpHost => write!(f, "Missing http host header"),
50
51            // websocket error
52            Upgrade => write!(f, "Missing or illegal upgrade header"),
53
54            Connection => write!(f, "Missing or illegal connection header"),
55
56            SecWebSocketKey => {
57                write!(f, "Missing sec-websocket-key header")
58            }
59
60            SecWebSocketAccept => {
61                write!(f, "Missing or illegal sec-websocket-accept header")
62            }
63
64            SecWebSocketVersion => {
65                write!(f, "Missing or illegal sec-websocket-version")
66            }
67
68            // other error
69            NotEnoughData => write!(f, "Not enough data to parse"),
70
71            NotEnoughCapacity => write!(f, "Not enough space to write to"),
72
73            Httparse(e) => write!(f, "Http parse error: {}", e),
74
75            Manual(s) => write!(f, "Manual error: {}", s),
76        }
77    }
78}
79
80impl From<httparse::Error> for HandshakeError {
81    fn from(e: httparse::Error) -> Self { HandshakeError::Httparse(e) }
82}
83
84impl std::error::Error for HandshakeError {
85    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
86        if let HandshakeError::Httparse(e) = self {
87            Some(e)
88        } else {
89            None
90        }
91    }
92}
lightws/error/handshake.rs

lightws/error/
handshake.rs
