netavark 1.9.0

A container network stack
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use crate::dhcp_proxy::lib::g_rpc::NetworkConfig;
use crate::error::NetavarkError;
use ipnet::PrefixLenError;
use mozim::DhcpError;
use mozim::ErrorKind::InvalidArgument;
use std::net::AddrParseError;
use std::num::ParseIntError;
use std::str::FromStr;
use std::string::ToString;
use tonic::{Code, Status};
impl FromStr for NetworkConfig {
    type Err = ParseIntError;

    fn from_str(_s: &str) -> Result<Self, Self::Err> {
        // s is actually a string so if we intend to generate
        // a `NetworkConfig` object from `s` parse `s` and populate
        // instead of default empty values
        Ok(NetworkConfig {
            host_iface: "".to_string(),
            container_mac_addr: "".to_string(),
            domain_name: "".to_string(),
            host_name: "".to_string(),
            version: 0,
            ns_path: "".to_string(),
            container_iface: "".to_string(),
        })
    }
}

#[derive(Debug, Clone)]
pub struct ProxyError(String);

pub trait CustomErr {
    fn new(msg: String) -> Self;
}

impl CustomErr for ProxyError {
    fn new(msg: String) -> Self {
        ProxyError(msg)
    }
}

impl ToString for ProxyError {
    fn to_string(&self) -> String {
        self.0.to_string()
    }
}

impl From<ProxyError> for Status {
    fn from(pe: ProxyError) -> Self {
        Status::new(Code::Unknown, pe.to_string())
    }
}

impl From<NetavarkError> for ProxyError {
    fn from(cause: NetavarkError) -> Self {
        ProxyError::new(cause.to_string())
    }
}

impl From<PrefixLenError> for ProxyError {
    fn from(cause: PrefixLenError) -> Self {
        ProxyError::new(cause.to_string())
    }
}

impl From<AddrParseError> for ProxyError {
    fn from(e: AddrParseError) -> Self {
        ProxyError::new(e.to_string())
    }
}

impl From<ProxyError> for DhcpError {
    fn from(e: ProxyError) -> Self {
        DhcpError::new(InvalidArgument, e.to_string())
    }
}