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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#[macro_use]
extern crate log;
extern crate ws;
use std::sync::mpsc;
use std::sync::mpsc::channel;
use std::thread;
use ws::{Builder, CloseCode, Handler, Handshake};
enum Message {
ShutdownServer,
}
pub struct Sender(mpsc::Sender<Message>);
struct Connection {
sender: ws::Sender
}
impl Handler for Connection {
fn on_open(&mut self, _: Handshake) -> ws::Result<()> {
debug!("Connection opened.");
Ok(())
}
fn on_close(&mut self, _: CloseCode, _: &str) {
debug!("Connection closed.");
}
fn on_message(&mut self, message: ws::Message) -> ws::Result<()> {
self.sender.send(message)
}
}
pub fn start_server(port: u16) -> Sender {
debug!("Starting server.");
let (sender, receiver) = channel();
thread::Builder::new().name("debugger".to_owned()).spawn(move || {
let socket = Builder::new().build(|sender: ws::Sender| {
Connection { sender: sender }
}).unwrap();
let sender = socket.broadcaster();
thread::Builder::new().name("debugger-websocket".to_owned()).spawn(move || {
socket.listen(("127.0.0.1", port)).unwrap();
}).expect("Thread spawning failed");
while let Ok(message) = receiver.recv() {
match message {
Message::ShutdownServer => {
break;
}
}
}
sender.shutdown().unwrap();
}).expect("Thread spawning failed");
Sender(sender)
}
pub fn shutdown_server(sender: &Sender) {
debug!("Shutting down server.");
let &Sender(ref sender) = sender;
if let Err(_) = sender.send(Message::ShutdownServer) {
warn!("Failed to shut down server.");
}
}
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