nmstate 2.2.22

Library for networking management in a declarative manner
Documentation 
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// SPDX-License-Identifier: Apache-2.0

use std::str::FromStr;

use crate::{
    nispor::mptcp::get_mptcp_flags, InterfaceIpAddr, InterfaceIpv4,
    InterfaceIpv6,
};

pub(crate) fn np_ipv4_to_nmstate(
    np_iface: &nispor::Iface,
    running_config_only: bool,
) -> Option<InterfaceIpv4> {
    if let Some(np_ip) = &np_iface.ipv4 {
        let mut ip = InterfaceIpv4::default();
        ip.prop_list.push("enabled");
        ip.prop_list.push("addresses");
        if np_ip.addresses.is_empty() {
            ip.enabled = false;
            return Some(ip);
        }
        ip.enabled = true;
        let mut addresses = Vec::new();
        for np_addr in &np_ip.addresses {
            if np_addr.valid_lft != "forever" {
                ip.dhcp = Some(true);
                ip.prop_list.push("dhcp");
                if running_config_only {
                    continue;
                }
            }
            match std::net::IpAddr::from_str(np_addr.address.as_str()) {
                Ok(i) => addresses.push(InterfaceIpAddr {
                    ip: i,
                    prefix_length: np_addr.prefix_len,
                    mptcp_flags: Some(get_mptcp_flags(
                        np_iface,
                        np_addr.address.as_str(),
                    )),
                    valid_life_time: if np_addr.valid_lft != "forever" {
                        Some(np_addr.valid_lft.clone())
                    } else {
                        None
                    },
                    preferred_life_time: if np_addr.preferred_lft != "forever" {
                        Some(np_addr.preferred_lft.clone())
                    } else {
                        None
                    },
                    ..Default::default()
                }),
                Err(e) => {
                    log::warn!(
                        "BUG: nispor got invalid IP address {}, error {}",
                        np_addr.address.as_str(),
                        e
                    );
                }
            }
        }
        ip.addresses = Some(addresses);
        Some(ip)
    } else {
        // IP might just disabled
        Some(InterfaceIpv4 {
            enabled: false,
            prop_list: vec!["enabled"],
            ..Default::default()
        })
    }
}

pub(crate) fn np_ipv6_to_nmstate(
    np_iface: &nispor::Iface,
    running_config_only: bool,
) -> Option<InterfaceIpv6> {
    if let Some(np_ip) = &np_iface.ipv6 {
        let mut ip = InterfaceIpv6::default();
        ip.prop_list.push("enabled");
        ip.prop_list.push("addresses");
        if np_ip.addresses.is_empty() {
            ip.enabled = false;
            return Some(ip);
        }
        ip.enabled = true;
        if let Some(token) = np_ip.token.as_ref() {
            ip.prop_list.push("token");
            ip.token = Some(token.to_string());
        }

        let mut addresses = Vec::new();
        for np_addr in &np_ip.addresses {
            if np_addr.valid_lft != "forever" {
                ip.autoconf = Some(true);
                ip.prop_list.push("autoconf");
                if running_config_only {
                    continue;
                }
            }
            match std::net::IpAddr::from_str(np_addr.address.as_str()) {
                Ok(i) => addresses.push(InterfaceIpAddr {
                    ip: i,
                    prefix_length: np_addr.prefix_len,
                    mptcp_flags: Some(get_mptcp_flags(
                        np_iface,
                        np_addr.address.as_str(),
                    )),
                    valid_life_time: if np_addr.valid_lft != "forever" {
                        Some(np_addr.valid_lft.clone())
                    } else {
                        None
                    },
                    preferred_life_time: if np_addr.preferred_lft != "forever" {
                        Some(np_addr.preferred_lft.clone())
                    } else {
                        None
                    },
                    ..Default::default()
                }),
                Err(e) => {
                    log::warn!(
                        "BUG: nispor got invalid IP address {}, error {}",
                        np_addr.address.as_str(),
                        e
                    );
                }
            }
        }
        ip.addresses = Some(addresses);
        Some(ip)
    } else {
        // IP might just disabled
        Some(InterfaceIpv6 {
            enabled: false,
            prop_list: vec!["enabled"],
            ..Default::default()
        })
    }
}

pub(crate) fn nmstate_ipv4_to_np(
    nms_ipv4: Option<&InterfaceIpv4>,
) -> nispor::IpConf {
    let mut np_ip_conf = nispor::IpConf::default();
    if let Some(nms_ipv4) = nms_ipv4 {
        for nms_addr in nms_ipv4.addresses.as_deref().unwrap_or_default() {
            np_ip_conf.addresses.push({
                let mut ip_conf = nispor::IpAddrConf::default();
                ip_conf.address = nms_addr.ip.to_string();
                ip_conf.prefix_len = nms_addr.prefix_length;
                ip_conf
            });
        }
    }
    np_ip_conf
}

pub(crate) fn nmstate_ipv6_to_np(
    nms_ipv6: Option<&InterfaceIpv6>,
) -> nispor::IpConf {
    let mut np_ip_conf = nispor::IpConf::default();
    if let Some(nms_ipv6) = nms_ipv6 {
        for nms_addr in nms_ipv6.addresses.as_deref().unwrap_or_default() {
            np_ip_conf.addresses.push({
                let mut ip_conf = nispor::IpAddrConf::default();
                ip_conf.address = nms_addr.ip.to_string();
                ip_conf.prefix_len = nms_addr.prefix_length;
                ip_conf
            });
        }
    }
    np_ip_conf
}