ipnetwork/
error.rs

1use core::{error::Error, fmt};
2use std::net::AddrParseError;
3
4use crate::error::IpNetworkError::*;
5
6/// Represents a bunch of errors that can occur while working with a `IpNetwork`
7#[derive(Debug, Clone, PartialEq, Eq)]
8#[non_exhaustive]
9pub enum IpNetworkError {
10    InvalidAddr(String),
11    InvalidPrefix,
12    InvalidCidrFormat(String),
13    NetworkSizeError(NetworkSizeError),
14}
15
16impl fmt::Display for IpNetworkError {
17    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
18        match *self {
19            InvalidAddr(ref s) => write!(f, "invalid address: {s}"),
20            InvalidPrefix => write!(f, "invalid prefix"),
21            InvalidCidrFormat(ref s) => write!(f, "invalid cidr format: {s}"),
22            NetworkSizeError(ref e) => write!(f, "network size error: {e}"),
23        }
24    }
25}
26
27impl Error for IpNetworkError {}
28
29impl From<AddrParseError> for IpNetworkError {
30    fn from(e: AddrParseError) -> Self {
31        InvalidAddr(e.to_string())
32    }
33}
34
35/// Cannot convert an IPv6 network size to a u32 as it is a 128-bit value.
36#[derive(Copy, Clone, Debug, PartialEq, Eq)]
37#[non_exhaustive]
38pub enum NetworkSizeError {
39    NetworkIsTooLarge,
40}
41
42impl fmt::Display for NetworkSizeError {
43    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> std::fmt::Result {
44        f.write_str("Network is too large to fit into an unsigned 32-bit integer!")
45    }
46}
47
48impl Error for NetworkSizeError {}
ipnetwork/error.rs

ipnetwork/
error.rs
