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use crate::common::{authentication::Verifier, WindowsPipeListener};
use crate::server::{Server, ServerConfig, ServerHandler, WindowsPipeServerRef};
use serde::{de::DeserializeOwned, Serialize};
use std::{
ffi::{OsStr, OsString},
io,
};
pub struct WindowsPipeServerBuilder<T>(Server<T>);
impl<T> Server<T> {
pub fn into_windows_pipe_builder(self) -> WindowsPipeServerBuilder<T> {
WindowsPipeServerBuilder(self)
}
}
impl Default for WindowsPipeServerBuilder<()> {
fn default() -> Self {
Self(Server::new())
}
}
impl<T> WindowsPipeServerBuilder<T> {
pub fn config(self, config: ServerConfig) -> Self {
Self(self.0.config(config))
}
pub fn handler<U>(self, handler: U) -> WindowsPipeServerBuilder<U> {
WindowsPipeServerBuilder(self.0.handler(handler))
}
pub fn verifier(self, verifier: Verifier) -> Self {
Self(self.0.verifier(verifier))
}
}
impl<T> WindowsPipeServerBuilder<T>
where
T: ServerHandler + Sync + 'static,
T::Request: DeserializeOwned + Send + Sync + 'static,
T::Response: Serialize + Send + 'static,
T::LocalData: Default + Send + Sync + 'static,
{
pub async fn start<A>(self, addr: A) -> io::Result<WindowsPipeServerRef>
where
A: AsRef<OsStr> + Send,
{
let a = addr.as_ref();
let listener = WindowsPipeListener::bind(a)?;
let addr = listener.addr().to_os_string();
let inner = self.0.start(listener)?;
Ok(WindowsPipeServerRef { addr, inner })
}
pub async fn start_local<N>(self, name: N) -> io::Result<WindowsPipeServerRef>
where
Self: Sized,
N: AsRef<OsStr> + Send,
{
let mut addr = OsString::from(r"\\.\pipe\");
addr.push(name.as_ref());
self.start(addr).await
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::client::Client;
use crate::common::{authentication::DummyAuthHandler, Request};
use crate::server::ServerCtx;
use async_trait::async_trait;
use test_log::test;
pub struct TestServerHandler;
#[async_trait]
impl ServerHandler for TestServerHandler {
type Request = String;
type Response = String;
type LocalData = ();
async fn on_request(&self, ctx: ServerCtx<Self::Request, Self::Response, Self::LocalData>) {
ctx.reply
.send(ctx.request.payload.to_string())
.await
.unwrap();
}
}
#[test(tokio::test)]
async fn should_invoke_handler_upon_receiving_a_request() {
let server = WindowsPipeServerBuilder::default()
.handler(TestServerHandler)
.verifier(Verifier::none())
.start_local(format!("test_pipe_{}", rand::random::<usize>()))
.await
.expect("Failed to start Windows pipe server");
let mut client: Client<String, String> = Client::windows_pipe(server.addr())
.auth_handler(DummyAuthHandler)
.connect()
.await
.expect("Client failed to connect");
let response = client
.send(Request::new("hello".to_string()))
.await
.expect("Failed to send message");
assert_eq!(response.payload, "hello");
}
}