127 lines
3.3 KiB
Rust
127 lines
3.3 KiB
Rust
// DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
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// Version 2, December 2004
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//
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// Copyleft (ↄ) meh. <[email protected]> | http://meh.schizofreni.co
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//
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// Everyone is permitted to copy and distribute verbatim or modified
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// copies of this license document, and changing it is allowed as long
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// as the name is changed.
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//
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// DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
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// TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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//
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// 0. You just DO WHAT THE FUCK YOU WANT TO.
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use std::net::Ipv4Addr;
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use std::os::unix::io::RawFd;
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use crate::address::IntoAddress;
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use crate::platform;
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/// TUN interface OSI layer of operation.
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#[derive(Clone, Copy, Debug, Eq, PartialEq)]
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pub enum Layer {
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L2,
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L3,
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}
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impl Default for Layer {
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fn default() -> Self {
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Layer::L3
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}
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}
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/// Configuration builder for a TUN interface.
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#[derive(Clone, Default, Debug)]
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pub struct Configuration {
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pub(crate) name: Option<String>,
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pub(crate) platform: platform::Configuration,
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pub(crate) address: Option<Ipv4Addr>,
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pub(crate) destination: Option<Ipv4Addr>,
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pub(crate) broadcast: Option<Ipv4Addr>,
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pub(crate) netmask: Option<Ipv4Addr>,
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pub(crate) mtu: Option<i32>,
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pub(crate) enabled: Option<bool>,
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pub(crate) layer: Option<Layer>,
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pub(crate) queues: Option<usize>,
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pub(crate) raw_fd: Option<RawFd>,
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}
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impl Configuration {
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/// Access the platform dependant configuration.
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pub fn platform<F>(&mut self, f: F) -> &mut Self
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where
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F: FnOnce(&mut platform::Configuration),
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{
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f(&mut self.platform);
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self
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}
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/// Set the name.
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pub fn name<S: AsRef<str>>(&mut self, name: S) -> &mut Self {
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self.name = Some(name.as_ref().into());
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self
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}
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/// Set the address.
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pub fn address<A: IntoAddress>(&mut self, value: A) -> &mut Self {
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self.address = Some(value.into_address().unwrap());
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self
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}
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/// Set the destination address.
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pub fn destination<A: IntoAddress>(&mut self, value: A) -> &mut Self {
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self.destination = Some(value.into_address().unwrap());
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self
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}
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/// Set the broadcast address.
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pub fn broadcast<A: IntoAddress>(&mut self, value: A) -> &mut Self {
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self.broadcast = Some(value.into_address().unwrap());
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self
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}
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/// Set the netmask.
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pub fn netmask<A: IntoAddress>(&mut self, value: A) -> &mut Self {
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self.netmask = Some(value.into_address().unwrap());
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self
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}
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/// Set the MTU.
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pub fn mtu(&mut self, value: i32) -> &mut Self {
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self.mtu = Some(value);
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self
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}
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/// Set the interface to be enabled once created.
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pub fn up(&mut self) -> &mut Self {
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self.enabled = Some(true);
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self
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}
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/// Set the interface to be disabled once created.
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pub fn down(&mut self) -> &mut Self {
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self.enabled = Some(false);
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self
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}
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/// Set the OSI layer of operation.
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pub fn layer(&mut self, value: Layer) -> &mut Self {
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self.layer = Some(value);
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self
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}
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/// Set the number of queues.
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pub fn queues(&mut self, value: usize) -> &mut Self {
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self.queues = Some(value);
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self
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}
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/// Set the raw fd.
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pub fn raw_fd(&mut self, fd: RawFd) -> &mut Self {
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self.raw_fd = Some(fd);
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self
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}
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}
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