Add tls server implementation

Signed-off-by: trivernis <trivernis@protonmail.com>
pull/1/head
trivernis 4 years ago
parent 5fd7cc8975
commit bcc3024fc3
Signed by: Trivernis
GPG Key ID: DFFFCC2C7A02DB45

@ -9,9 +9,9 @@ edition = "2018"
[dependencies] [dependencies]
rmp = "0.8.9" rmp = "0.8.9"
rmp-serde = "0.14.4" rmp-serde = "0.14.4"
rmpv = "0.4.5"
serde = { version = "1.0.117", features = ["serde_derive"] } serde = { version = "1.0.117", features = ["serde_derive"] }
byteorder = "1.3.4" byteorder = "1.3.4"
parking_lot = "0.11.0" parking_lot = "0.11.0"
scheduled-thread-pool = "0.2.5" scheduled-thread-pool = "0.2.5"
log = "0.4.11" log = "0.4.11"
native-tls = "0.2.4"

@ -3,6 +3,7 @@ use crate::result::VentedResult;
pub(crate) mod server_events; pub(crate) mod server_events;
pub mod tcp; pub mod tcp;
pub mod tls;
pub trait VentedServer { pub trait VentedServer {
fn listen(&mut self, address: &str) -> VentedResult<()>; fn listen(&mut self, address: &str) -> VentedResult<()>;

@ -0,0 +1,78 @@
use crate::event::Event;
use crate::event_handler::EventHandler;
use crate::result::VentedResult;
use crate::server::server_events::get_server_event_handler;
use crate::server::VentedServer;
use native_tls::{Identity, TlsAcceptor, TlsStream};
use parking_lot::Mutex;
use scheduled_thread_pool::ScheduledThreadPool;
use std::borrow::BorrowMut;
use std::io::{Read, Write};
use std::net::{TcpListener, TcpStream};
use std::sync::Arc;
pub struct VentedTlsServer {
event_handler: Arc<Mutex<EventHandler>>,
pool: ScheduledThreadPool,
identity: Identity,
}
impl VentedServer for VentedTlsServer {
fn listen(&mut self, address: &str) -> VentedResult<()> {
let listener = TcpListener::bind(address)?;
let acceptor = TlsAcceptor::new(self.identity.clone())?;
let acceptor = Arc::new(acceptor);
for stream in listener.incoming() {
log::trace!("Connection received.");
match stream {
Ok(stream) => self.handle_connection(stream, Arc::clone(&acceptor)),
Err(e) => log::error!("Failed to handle connection: {}", e),
}
}
Ok(())
}
fn register_handler<F: 'static>(&mut self, event_name: &str, handler: F)
where
F: Fn(Event) -> Option<Event> + Send + Sync,
{
self.event_handler
.lock()
.borrow_mut()
.on(event_name, handler);
}
}
impl VentedTlsServer {
/// Creates a new server that runs on the specified number of threads
/// with the given tls identity
pub fn new(num_threads: usize, identity: Identity) -> Self {
let event_handler = get_server_event_handler();
let pool = ScheduledThreadPool::new(num_threads);
Self {
event_handler: Arc::new(Mutex::new(event_handler)),
pool,
identity,
}
}
fn handle_connection(&self, mut stream: TcpStream, acceptor: Arc<TlsAcceptor>) {
let handler = Arc::clone(&self.event_handler);
self.pool.execute(move || {
acceptor.accept(stream);
if let Ok(event) = Event::from_bytes(&mut stream) {
if let Some(mut event) = handler.lock().handle_event(event) {
if let Err(e) = stream.write(&event.as_bytes()) {
log::error!("Failed to respond to event: {}", e)
}
}
} else {
log::warn!("Failed to create an Event from received bytes.")
}
});
}
}
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