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use zbus::{Connection, proxy, zvariant::OwnedObjectPath};
#[derive(Debug, thiserror::Error)]
pub enum Error {
#[error("The connection is not active.")]
InactiveConnection,
#[error("Device doesn't exist")]
DeviceNotFound,
#[error("Failed to communicate with NetworkManager: {0}")]
Zbus(#[from] zbus::Error),
}
#[proxy(
interface = "org.freedesktop.NetworkManager",
default_service = "org.freedesktop.NetworkManager",
default_path = "/org/freedesktop/NetworkManager"
)]
trait NetworkManager {
#[zbus(property)]
fn primary_connection(&self) -> zbus::Result<OwnedObjectPath>;
}
#[proxy(
interface = "org.freedesktop.NetworkManager.Connection.Active",
default_service = "org.freedesktop.NetworkManager"
)]
trait ActiveConnection {
#[zbus(property)]
fn id(&self) -> zbus::Result<String>;
#[zbus(
property,
name = "Type"
)]
fn type_(&self) -> zbus::Result<String>;
#[zbus(property)]
fn devices(&self) -> zbus::Result<Vec<OwnedObjectPath>>;
}
#[proxy(
interface = "org.freedesktop.NetworkManager.Device",
default_service = "org.freedesktop.NetworkManager"
)]
trait Device {
#[zbus(property)]
fn interface(&self) -> zbus::Result<String>;
}
pub async fn get() -> Result<String, Error> {
let conn = Connection::system().await?;
let nm_conn = NetworkManagerProxy::new(&conn).await?.primary_connection().await?;
if nm_conn.as_str() == "/" {
return Err(Error::InactiveConnection);
}
if let Some(device_path) =
ActiveConnectionProxy::builder(&conn).path(nm_conn)?.build().await?.devices().await?.first()
{
Ok(DeviceProxy::builder(&conn).path(device_path)?.build().await?.interface().await?)
} else {
Err(Error::DeviceNotFound)
}
}
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