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use std::error::Error;
use std::fmt;
#[derive(Debug)]
pub enum ConfigError {
NoSuchPeer,
NotListening,
FailedToBind,
InvalidHexValue,
InvalidPortNumber,
InvalidFwmark,
InvalidKey,
InvalidSocketAddr,
InvalidKeepaliveInterval,
InvalidAllowedIp,
InvalidOperation,
LineTooLong,
IOError,
UnsupportedValue,
UnsupportedProtocolVersion,
}
impl fmt::Display for ConfigError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "ConfigError(errno = {})", self.errno())
}
}
impl Error for ConfigError {
fn description(&self) -> &str {
""
}
fn source(&self) -> Option<&(dyn Error + 'static)> {
None
}
}
impl ConfigError {
pub fn errno(&self) -> i32 {
// TODO: obtain the correct errorno values
match self {
ConfigError::NoSuchPeer => 1,
ConfigError::NotListening => 2,
ConfigError::FailedToBind => 3,
ConfigError::InvalidHexValue => 4,
ConfigError::InvalidPortNumber => 5,
ConfigError::InvalidFwmark => 6,
ConfigError::InvalidSocketAddr => 10,
ConfigError::InvalidKeepaliveInterval => 11,
ConfigError::InvalidAllowedIp => 12,
ConfigError::InvalidOperation => 15,
ConfigError::UnsupportedValue => 7,
ConfigError::LineTooLong => 13,
ConfigError::InvalidKey => 8,
ConfigError::UnsupportedProtocolVersion => 9,
ConfigError::IOError => 14,
}
}
}
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