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use cfg_if::cfg_if;
use ipnetwork::IpNetwork;
#[cfg(target_os = "android")]
use jnix::IntoJava;
use std::net::IpAddr;
cfg_if! {
if #[cfg(target_os = "android")] {
#[path = "android/mod.rs"]
mod imp;
use self::imp::{AndroidTunProvider, VpnServiceTun};
pub use self::imp::Error;
pub type Tun = VpnServiceTun;
pub type TunProvider = AndroidTunProvider;
} else if #[cfg(all(unix, not(target_os = "android")))] {
#[path = "unix.rs"]
mod imp;
use self::imp::{UnixTun, UnixTunProvider};
pub use self::imp::Error;
pub type Tun = UnixTun;
pub type TunProvider = UnixTunProvider;
} else {
mod stub;
use self::stub::StubTunProvider;
pub use self::stub::Error;
pub type TunProvider = StubTunProvider;
}
}
/// Configuration for creating a tunnel device.
#[derive(Clone, Debug, Eq, PartialEq)]
#[cfg_attr(target_os = "android", derive(IntoJava))]
#[cfg_attr(
target_os = "android",
jnix(package = "net.mullvad.talpid.tun_provider")
)]
pub struct TunConfig {
/// IP addresses for the tunnel interface.
pub addresses: Vec<IpAddr>,
/// IP addresses for the DNS servers to use.
pub dns_servers: Vec<IpAddr>,
/// Routes to configure for the tunnel.
#[cfg_attr(
target_os = "android",
jnix(map = "|networks| networks.into_iter().map(InetNetwork::from).collect::<Vec<_>>()")
)]
pub routes: Vec<IpNetwork>,
/// Routes that are required to be configured for the tunnel.
#[cfg(target_os = "android")]
#[jnix(skip)]
pub required_routes: Vec<IpNetwork>,
/// Maximum Transmission Unit in the tunnel.
#[cfg_attr(target_os = "android", jnix(map = "|mtu| mtu as i32"))]
pub mtu: u16,
}
#[cfg(target_os = "android")]
#[derive(IntoJava)]
#[jnix(package = "net.mullvad.talpid.tun_provider")]
struct InetNetwork {
address: IpAddr,
prefix: i16,
}
#[cfg(target_os = "android")]
impl From<IpNetwork> for InetNetwork {
fn from(ip_network: IpNetwork) -> Self {
InetNetwork {
address: ip_network.ip(),
prefix: ip_network.prefix() as i16,
}
}
}
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