socks5_protocol/
error.rs

1use crate::CommandReply;
2use std::io;
3use thiserror::Error;
4
5/// Library level `Error`.
6#[derive(Debug, Error)]
7pub enum Error {
8    /// Invalid version.
9    #[error("Invalid version: {0}")]
10    InvalidVersion(u8),
11
12    /// Too many methods. Max to 255.
13    #[error("Too many methods")]
14    TooManyMethods,
15
16    /// Invalid handshake.
17    #[error("Invalid handshake")]
18    InvalidHandshake,
19
20    /// Invalid command.
21    #[error("Invalid command: {0}")]
22    InvalidCommand(u8),
23
24    /// Invalid command reply.
25    #[error("Invalid command reply: {0}")]
26    InvalidCommandReply(u8),
27
28    /// Invalid command reply with error.
29    #[error("Command reply with error: {0:?}")]
30    CommandReply(CommandReply),
31
32    /// Domain too long.
33    #[error("Domain too long {0}")]
34    DomainTooLong(usize),
35
36    /// Invalid domain.
37    #[error("Invalid domain {0:?}")]
38    InvalidDomain(Vec<u8>),
39
40    /// Invalid address type.
41    #[error("Invalid address type {0}")]
42    InvalidAddressType(u8),
43
44    /// IO error.
45    #[error("IO error: {0:?}")]
46    Io(#[from] io::Error),
47}
48
49/// Library level `Result`.
50pub type Result<T, E = Error> = ::std::result::Result<T, E>;
51
52impl Error {
53    /// Map `Error` to `std::io::Error`.
54    pub fn to_io_err(self) -> io::Error {
55        match self {
56            Error::Io(e) => e,
57            e => io::Error::new(io::ErrorKind::Other, e),
58        }
59    }
60}