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|
use super::{Arguments, Error};
use std::collections::HashMap;
use futures::TryFutureExt;
use parity_tokio_ipc::Endpoint as IpcEndpoint;
use tokio::runtime::{self, Runtime};
use tonic::transport::{Endpoint, Uri};
use tower::service_fn;
#[allow(clippy::derive_partial_eq_without_eq)]
mod proto {
tonic::include_proto!("talpid_openvpn_plugin");
}
use proto::openvpn_event_proxy_client::OpenvpnEventProxyClient;
/// Struct processing OpenVPN events and notifies listeners over IPC
pub struct EventProcessor {
ipc_client: OpenvpnEventProxyClient<tonic::transport::Channel>,
runtime: Runtime,
}
impl EventProcessor {
pub fn new(arguments: Arguments) -> Result<EventProcessor, Error> {
log::trace!("Creating EventProcessor");
let runtime = runtime::Builder::new_current_thread()
.enable_all()
.build()
.map_err(Error::CreateRuntime)?;
let ipc_client = runtime
.block_on(Self::spawn_client(arguments.ipc_socket_path))
.map_err(Error::CreateTransport)?;
Ok(EventProcessor {
ipc_client,
runtime,
})
}
async fn spawn_client(
ipc_path: String,
) -> Result<OpenvpnEventProxyClient<tonic::transport::Channel>, tonic::transport::Error> {
// The URI will be ignored
let channel = Endpoint::from_static("lttp://[::]:50051")
.connect_with_connector(service_fn(move |_: Uri| {
IpcEndpoint::connect(ipc_path.clone()).map_ok(hyper_util::rt::tokio::TokioIo::new)
}))
.await?;
Ok(OpenvpnEventProxyClient::new(channel))
}
pub fn process_event(
&mut self,
event: openvpn_plugin::EventType,
env: HashMap<String, String>,
) -> Result<(), Error> {
log::debug!("Processing \"{:?}\" event", event);
let details = proto::EventDetails { env };
let response = match event {
openvpn_plugin::EventType::AuthFailed => {
self.runtime.block_on(self.ipc_client.auth_failed(details))
}
openvpn_plugin::EventType::Up => self.runtime.block_on(self.ipc_client.up(details)),
openvpn_plugin::EventType::RouteUp => {
self.runtime.block_on(self.ipc_client.route_up(details))
}
openvpn_plugin::EventType::RoutePredown => self
.runtime
.block_on(self.ipc_client.route_predown(details)),
other => return Err(Error::UnhandledEvent(other)),
};
match response {
Ok(_) => Ok(()),
Err(e) => Err(Error::SendEvent(Box::new(e))),
}
}
}
|
