ipnetwork/
error.rs

1use std::{error::Error, fmt, net::AddrParseError};
2
3use crate::error::IpNetworkError::*;
4
5/// Represents a bunch of errors that can occur while working with a `IpNetwork`
6#[derive(Debug, Clone, PartialEq, Eq)]
7#[non_exhaustive]
8pub enum IpNetworkError {
9    InvalidAddr(String),
10    InvalidPrefix,
11    InvalidCidrFormat(String),
12    NetworkSizeError(NetworkSizeError),
13}
14
15impl fmt::Display for IpNetworkError {
16    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
17        match *self {
18            InvalidAddr(ref s) => write!(f, "invalid address: {s}"),
19            InvalidPrefix => write!(f, "invalid prefix"),
20            InvalidCidrFormat(ref s) => write!(f, "invalid cidr format: {s}"),
21            NetworkSizeError(ref e) => write!(f, "network size error: {e}"),
22        }
23    }
24}
25
26impl Error for IpNetworkError {
27    fn description(&self) -> &str {
28        match *self {
29            InvalidAddr(_) => "address is invalid",
30            InvalidPrefix => "prefix is invalid",
31            InvalidCidrFormat(_) => "cidr is invalid",
32            NetworkSizeError(_) => "network size error",
33        }
34    }
35}
36
37impl From<AddrParseError> for IpNetworkError {
38    fn from(e: AddrParseError) -> Self {
39        InvalidAddr(e.to_string())
40    }
41}
42
43/// Cannot convert an IPv6 network size to a u32 as it is a 128-bit value.
44#[derive(Copy, Clone, Debug, PartialEq, Eq)]
45#[non_exhaustive]
46pub enum NetworkSizeError {
47    NetworkIsTooLarge,
48}
49
50impl fmt::Display for NetworkSizeError {
51    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> std::fmt::Result {
52        f.write_str("Network is too large to fit into an unsigned 32-bit integer!")
53    }
54}
55
56impl Error for NetworkSizeError {}
ipnetwork/error.rs

ipnetwork/
error.rs
