xvc_protocol/
error.rs

1use std::{
2    error::Error,
3    fmt::Display,
4    io::{self},
5    num::ParseIntError,
6    str::Utf8Error,
7};
8
9/// Errors that may occur when reading a message from a stream.
10#[derive(Debug)]
11pub enum ReadError {
12    IoError(io::Error),
13    InvalidCommand(String),
14    InvalidCommandPrefix(String),
15    UnsupportedVersion(String),
16    InvalidFormat(String),
17    TooManyBytes { max: usize, got: usize },
18}
19
20impl From<io::Error> for ReadError {
21    fn from(value: io::Error) -> Self {
22        ReadError::IoError(value)
23    }
24}
25
26impl From<Utf8Error> for ReadError {
27    fn from(value: Utf8Error) -> Self {
28        ReadError::InvalidFormat(format!("Invalid UTF8: {}", value))
29    }
30}
31
32impl From<ParseIntError> for ReadError {
33    fn from(value: ParseIntError) -> Self {
34        ReadError::InvalidFormat(format!("Invalid integer: {}", value))
35    }
36}
37
38impl Display for ReadError {
39    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
40        match self {
41            ReadError::IoError(error) => write!(f, "{}", error),
42            ReadError::InvalidCommand(cmd) => write!(f, "Received invalid command {}", cmd),
43            ReadError::UnsupportedVersion(version) => write!(f, "Unsupported version {}", version),
44            ReadError::InvalidFormat(format) => write!(f, "{}", format),
45            ReadError::InvalidCommandPrefix(prefix) => {
46                write!(f, "Received invalid command with prefix {}", prefix)
47            }
48            ReadError::TooManyBytes { max, got } => {
49                write!(f, "Message too large! Maximum is {}, but gut {}", max, got)
50            }
51        }
52    }
53}
54
55impl Error for ReadError {}
xvc_protocol/error.rs

xvc_protocol/
error.rs
