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|
use super::{Arguments, Error};
use parity_tokio_ipc::Endpoint as IpcEndpoint;
use std::collections::HashMap;
use tower::service_fn;
use tonic::{
self,
transport::{Endpoint, Uri},
};
use tokio::runtime::{self, Runtime};
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 mut runtime = runtime::Builder::new()
.basic_scheduler()
.core_threads(1)
.max_threads(1)
.enable_all()
.build()
.map_err(Error::CreateRuntime)?;
let ipc_client = runtime
.block_on(Self::spawn_client(arguments.ipc_socket_path.clone()))
.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())
}))
.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 future = self.ipc_client.event(proto::EventType {
event: event as i16 as i32,
env,
});
let response = self.runtime.block_on(future);
response.map(|_| ()).map_err(Error::SendEvent)
}
}
|
