netdev 0.38.2

Cross-platform library for network interface
Documentation 
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use crate::interface::interface::Interface;
use crate::net::device::NetworkDevice;
use std::net::IpAddr;

/// Get default Gateway
pub fn get_default_gateway() -> Result<NetworkDevice, String> {
    let local_ip: IpAddr = match crate::net::ip::get_local_ipaddr() {
        Some(local_ip) => local_ip,
        None => return Err(String::from("Local IP address not found")),
    };
    let interfaces: Vec<Interface> = crate::interface::get_interfaces();
    for iface in interfaces {
        match local_ip {
            IpAddr::V4(local_ipv4) => {
                if iface.ipv4.iter().any(|x| x.addr() == local_ipv4) {
                    if let Some(gateway) = iface.gateway {
                        return Ok(gateway);
                    }
                }
            }
            IpAddr::V6(local_ipv6) => {
                if iface.ipv6.iter().any(|x| x.addr() == local_ipv6) {
                    if let Some(gateway) = iface.gateway {
                        return Ok(gateway);
                    }
                }
            }
        }
    }
    Err(String::from("Default Gateway not found"))
}