mirror of https://github.com/Trivernis/vented.git
Add tls server implementation
Signed-off-by: trivernis <trivernis@protonmail.com>pull/1/head
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5fd7cc8975
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use crate::event::Event;
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use crate::event_handler::EventHandler;
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use crate::result::VentedResult;
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use crate::server::server_events::get_server_event_handler;
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use crate::server::VentedServer;
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use native_tls::{Identity, TlsAcceptor, TlsStream};
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use parking_lot::Mutex;
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use scheduled_thread_pool::ScheduledThreadPool;
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use std::borrow::BorrowMut;
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use std::io::{Read, Write};
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use std::net::{TcpListener, TcpStream};
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use std::sync::Arc;
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pub struct VentedTlsServer {
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event_handler: Arc<Mutex<EventHandler>>,
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pool: ScheduledThreadPool,
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identity: Identity,
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}
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impl VentedServer for VentedTlsServer {
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fn listen(&mut self, address: &str) -> VentedResult<()> {
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let listener = TcpListener::bind(address)?;
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let acceptor = TlsAcceptor::new(self.identity.clone())?;
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let acceptor = Arc::new(acceptor);
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for stream in listener.incoming() {
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log::trace!("Connection received.");
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match stream {
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Ok(stream) => self.handle_connection(stream, Arc::clone(&acceptor)),
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Err(e) => log::error!("Failed to handle connection: {}", e),
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}
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}
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Ok(())
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}
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fn register_handler<F: 'static>(&mut self, event_name: &str, handler: F)
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where
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F: Fn(Event) -> Option<Event> + Send + Sync,
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{
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self.event_handler
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.lock()
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.borrow_mut()
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.on(event_name, handler);
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}
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}
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impl VentedTlsServer {
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/// Creates a new server that runs on the specified number of threads
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/// with the given tls identity
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pub fn new(num_threads: usize, identity: Identity) -> Self {
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let event_handler = get_server_event_handler();
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let pool = ScheduledThreadPool::new(num_threads);
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Self {
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event_handler: Arc::new(Mutex::new(event_handler)),
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pool,
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identity,
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}
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}
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fn handle_connection(&self, mut stream: TcpStream, acceptor: Arc<TlsAcceptor>) {
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let handler = Arc::clone(&self.event_handler);
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self.pool.execute(move || {
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acceptor.accept(stream);
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if let Ok(event) = Event::from_bytes(&mut stream) {
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if let Some(mut event) = handler.lock().handle_event(event) {
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if let Err(e) = stream.write(&event.as_bytes()) {
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log::error!("Failed to respond to event: {}", e)
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}
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}
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} else {
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log::warn!("Failed to create an Event from received bytes.")
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}
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});
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}
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}
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