2019-03-21 01:22:31 +00:00
|
|
|
extern crate server;
|
2019-04-06 05:29:20 +00:00
|
|
|
#[macro_use] extern crate diesel_migrations;
|
2019-03-21 01:22:31 +00:00
|
|
|
|
|
|
|
use std::time::{Instant, Duration};
|
2019-04-06 05:29:20 +00:00
|
|
|
use std::env;
|
2019-03-21 01:22:31 +00:00
|
|
|
use server::actix::*;
|
|
|
|
use server::actix_web::server::HttpServer;
|
2019-04-06 05:29:20 +00:00
|
|
|
use server::actix_web::{ws, App, Error, HttpRequest, HttpResponse, fs::NamedFile, fs};
|
2019-03-21 01:22:31 +00:00
|
|
|
|
2019-03-23 01:42:57 +00:00
|
|
|
use server::websocket_server::server::*;
|
2019-04-06 05:29:20 +00:00
|
|
|
use server::establish_connection;
|
|
|
|
|
|
|
|
embed_migrations!();
|
2019-03-21 01:22:31 +00:00
|
|
|
|
|
|
|
/// How often heartbeat pings are sent
|
|
|
|
const HEARTBEAT_INTERVAL: Duration = Duration::from_secs(5);
|
|
|
|
/// How long before lack of client response causes a timeout
|
|
|
|
const CLIENT_TIMEOUT: Duration = Duration::from_secs(10);
|
|
|
|
|
|
|
|
/// This is our websocket route state, this state is shared with all route
|
|
|
|
/// instances via `HttpContext::state()`
|
|
|
|
struct WsChatSessionState {
|
|
|
|
addr: Addr<ChatServer>,
|
|
|
|
}
|
|
|
|
|
|
|
|
/// Entry point for our route
|
|
|
|
fn chat_route(req: &HttpRequest<WsChatSessionState>) -> Result<HttpResponse, Error> {
|
|
|
|
ws::start(
|
|
|
|
req,
|
|
|
|
WSSession {
|
|
|
|
id: 0,
|
2019-05-01 22:44:39 +00:00
|
|
|
hb: Instant::now(),
|
|
|
|
ip: req.connection_info().host().to_string(),
|
2019-03-21 01:22:31 +00:00
|
|
|
},
|
|
|
|
)
|
|
|
|
}
|
|
|
|
|
|
|
|
struct WSSession {
|
|
|
|
/// unique session id
|
|
|
|
id: usize,
|
2019-05-01 22:44:39 +00:00
|
|
|
ip: String,
|
2019-03-21 01:22:31 +00:00
|
|
|
/// Client must send ping at least once per 10 seconds (CLIENT_TIMEOUT),
|
|
|
|
/// otherwise we drop connection.
|
|
|
|
hb: Instant
|
|
|
|
}
|
|
|
|
|
|
|
|
impl Actor for WSSession {
|
|
|
|
type Context = ws::WebsocketContext<Self, WsChatSessionState>;
|
|
|
|
|
|
|
|
/// Method is called on actor start.
|
|
|
|
/// We register ws session with ChatServer
|
|
|
|
fn started(&mut self, ctx: &mut Self::Context) {
|
|
|
|
// we'll start heartbeat process on session start.
|
|
|
|
self.hb(ctx);
|
|
|
|
|
|
|
|
// register self in chat server. `AsyncContext::wait` register
|
|
|
|
// future within context, but context waits until this future resolves
|
|
|
|
// before processing any other events.
|
|
|
|
// HttpContext::state() is instance of WsChatSessionState, state is shared
|
|
|
|
// across all routes within application
|
|
|
|
let addr = ctx.address();
|
|
|
|
ctx.state()
|
|
|
|
.addr
|
|
|
|
.send(Connect {
|
|
|
|
addr: addr.recipient(),
|
2019-05-01 22:44:39 +00:00
|
|
|
ip: self.ip.to_owned(),
|
2019-03-21 01:22:31 +00:00
|
|
|
})
|
|
|
|
.into_actor(self)
|
|
|
|
.then(|res, act, ctx| {
|
|
|
|
match res {
|
|
|
|
Ok(res) => act.id = res,
|
|
|
|
// something is wrong with chat server
|
|
|
|
_ => ctx.stop(),
|
|
|
|
}
|
|
|
|
fut::ok(())
|
|
|
|
})
|
|
|
|
.wait(ctx);
|
|
|
|
}
|
|
|
|
|
|
|
|
fn stopping(&mut self, ctx: &mut Self::Context) -> Running {
|
|
|
|
// notify chat server
|
2019-05-01 22:44:39 +00:00
|
|
|
ctx.state().addr.do_send(Disconnect {
|
|
|
|
id: self.id,
|
|
|
|
ip: self.ip.to_owned(),
|
|
|
|
});
|
2019-03-21 01:22:31 +00:00
|
|
|
Running::Stop
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/// Handle messages from chat server, we simply send it to peer websocket
|
2019-04-08 22:10:38 +00:00
|
|
|
/// These are room messages, IE sent to others in the room
|
2019-03-21 01:22:31 +00:00
|
|
|
impl Handler<WSMessage> for WSSession {
|
|
|
|
type Result = ();
|
|
|
|
|
|
|
|
fn handle(&mut self, msg: WSMessage, ctx: &mut Self::Context) {
|
2019-04-08 22:10:38 +00:00
|
|
|
// println!("id: {} msg: {}", self.id, msg.0);
|
2019-03-21 01:22:31 +00:00
|
|
|
ctx.text(msg.0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/// WebSocket message handler
|
|
|
|
impl StreamHandler<ws::Message, ws::ProtocolError> for WSSession {
|
|
|
|
fn handle(&mut self, msg: ws::Message, ctx: &mut Self::Context) {
|
2019-04-08 22:10:38 +00:00
|
|
|
// println!("WEBSOCKET MESSAGE: {:?} from id: {}", msg, self.id);
|
2019-03-21 01:22:31 +00:00
|
|
|
match msg {
|
|
|
|
ws::Message::Ping(msg) => {
|
|
|
|
self.hb = Instant::now();
|
|
|
|
ctx.pong(&msg);
|
|
|
|
}
|
|
|
|
ws::Message::Pong(_) => {
|
|
|
|
self.hb = Instant::now();
|
|
|
|
}
|
|
|
|
ws::Message::Text(text) => {
|
2019-03-25 03:51:27 +00:00
|
|
|
let m = text.trim().to_owned();
|
|
|
|
|
|
|
|
ctx.state()
|
|
|
|
.addr
|
|
|
|
.send(StandardMessage {
|
|
|
|
id: self.id,
|
2019-05-01 22:44:39 +00:00
|
|
|
msg: m,
|
2019-03-25 03:51:27 +00:00
|
|
|
})
|
|
|
|
.into_actor(self)
|
|
|
|
.then(|res, _, ctx| {
|
|
|
|
match res {
|
|
|
|
Ok(res) => ctx.text(res),
|
|
|
|
Err(e) => {
|
|
|
|
eprintln!("{}", &e);
|
|
|
|
// ctx.text(e);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Ok(res) => ctx.text(res),
|
|
|
|
// // something is wrong with chat server
|
|
|
|
// _ => ctx.stop(),
|
|
|
|
fut::ok(())
|
|
|
|
})
|
2019-03-27 16:59:21 +00:00
|
|
|
.wait(ctx);
|
2019-03-21 01:22:31 +00:00
|
|
|
|
|
|
|
// we check for /sss type of messages
|
|
|
|
// if m.starts_with('/') {
|
|
|
|
// let v: Vec<&str> = m.splitn(2, ' ').collect();
|
|
|
|
// match v[0] {
|
|
|
|
// "/list" => {
|
|
|
|
// // Send ListRooms message to chat server and wait for
|
|
|
|
// // response
|
|
|
|
// println!("List rooms");
|
|
|
|
// ctx.state()
|
|
|
|
// .addr
|
|
|
|
// .send(ListRooms)
|
|
|
|
// .into_actor(self)
|
|
|
|
// .then(|res, _, ctx| {
|
|
|
|
// match res {
|
|
|
|
// Ok(rooms) => {
|
|
|
|
// for room in rooms {
|
|
|
|
// ctx.text(room);
|
|
|
|
// }
|
|
|
|
// }
|
|
|
|
// _ => println!("Something is wrong"),
|
|
|
|
// }
|
|
|
|
// fut::ok(())
|
|
|
|
// })
|
|
|
|
// .wait(ctx)
|
|
|
|
// .wait(ctx) pauses all events in context,
|
|
|
|
// so actor wont receive any new messages until it get list
|
|
|
|
// of rooms back
|
|
|
|
// }
|
|
|
|
// "/join" => {
|
|
|
|
// if v.len() == 2 {
|
|
|
|
// self.room = v[1].to_owned();
|
|
|
|
// ctx.state().addr.do_send(Join {
|
|
|
|
// id: self.id,
|
|
|
|
// name: self.room.clone(),
|
|
|
|
// });
|
|
|
|
|
|
|
|
// ctx.text("joined");
|
|
|
|
// } else {
|
|
|
|
// ctx.text("!!! room name is required");
|
|
|
|
// }
|
|
|
|
// }
|
|
|
|
// "/name" => {
|
|
|
|
// if v.len() == 2 {
|
|
|
|
// self.name = Some(v[1].to_owned());
|
|
|
|
// } else {
|
|
|
|
// ctx.text("!!! name is required");
|
|
|
|
// }
|
|
|
|
// }
|
|
|
|
// _ => ctx.text(format!("!!! unknown command: {:?}", m)),
|
|
|
|
// }
|
|
|
|
// } else {
|
|
|
|
// let msg = if let Some(ref name) = self.name {
|
|
|
|
// format!("{}: {}", name, m)
|
|
|
|
// } else {
|
|
|
|
// m.to_owned()
|
|
|
|
// };
|
|
|
|
// send message to chat server
|
|
|
|
// ctx.state().addr.do_send(ClientMessage {
|
|
|
|
// id: self.id,
|
|
|
|
// msg: msg,
|
|
|
|
// room: self.room.clone(),
|
|
|
|
// })
|
|
|
|
// }
|
|
|
|
}
|
|
|
|
ws::Message::Binary(_bin) => println!("Unexpected binary"),
|
|
|
|
ws::Message::Close(_) => {
|
|
|
|
ctx.stop();
|
|
|
|
},
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl WSSession {
|
|
|
|
/// helper method that sends ping to client every second.
|
|
|
|
///
|
|
|
|
/// also this method checks heartbeats from client
|
|
|
|
fn hb(&self, ctx: &mut ws::WebsocketContext<Self, WsChatSessionState>) {
|
|
|
|
ctx.run_interval(HEARTBEAT_INTERVAL, |act, ctx| {
|
|
|
|
// check client heartbeats
|
|
|
|
if Instant::now().duration_since(act.hb) > CLIENT_TIMEOUT {
|
|
|
|
// heartbeat timed out
|
|
|
|
println!("Websocket Client heartbeat failed, disconnecting!");
|
|
|
|
|
|
|
|
// notify chat server
|
|
|
|
ctx.state()
|
|
|
|
.addr
|
2019-05-01 22:44:39 +00:00
|
|
|
.do_send(Disconnect { id: act.id, ip: act.ip.to_owned() });
|
2019-03-21 01:22:31 +00:00
|
|
|
|
|
|
|
// stop actor
|
|
|
|
ctx.stop();
|
|
|
|
|
|
|
|
// don't try to send a ping
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
ctx.ping("");
|
|
|
|
});
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn main() {
|
|
|
|
let _ = env_logger::init();
|
2019-04-06 05:29:20 +00:00
|
|
|
let sys = actix::System::new("lemmy");
|
|
|
|
|
|
|
|
// Run the migrations from code
|
|
|
|
let conn = establish_connection();
|
|
|
|
embedded_migrations::run(&conn).unwrap();
|
2019-03-21 01:22:31 +00:00
|
|
|
|
|
|
|
// Start chat server actor in separate thread
|
|
|
|
let server = Arbiter::start(|_| ChatServer::default());
|
|
|
|
|
|
|
|
// Create Http server with websocket support
|
|
|
|
HttpServer::new(move || {
|
|
|
|
// Websocket sessions state
|
|
|
|
let state = WsChatSessionState {
|
|
|
|
addr: server.clone(),
|
|
|
|
};
|
|
|
|
|
|
|
|
App::with_state(state)
|
|
|
|
// redirect to websocket.html
|
|
|
|
// .resource("/", |r| r.method(http::Method::GET).f(|_| {
|
|
|
|
// HttpResponse::Found()
|
|
|
|
// .header("LOCATION", "/static/websocket.html")
|
|
|
|
// .finish()
|
|
|
|
// }))
|
|
|
|
.resource("/service/ws", |r| r.route().f(chat_route))
|
|
|
|
// static resources
|
2019-04-06 05:29:20 +00:00
|
|
|
.resource("/", |r| r.route().f(index))
|
|
|
|
.handler(
|
|
|
|
"/static",
|
|
|
|
fs::StaticFiles::new(front_end_dir()).unwrap()
|
|
|
|
)
|
|
|
|
.finish()
|
2019-04-06 23:48:54 +00:00
|
|
|
}).bind("0.0.0.0:8536")
|
2019-03-21 01:22:31 +00:00
|
|
|
.unwrap()
|
|
|
|
.start();
|
|
|
|
|
2019-04-06 23:48:54 +00:00
|
|
|
println!("Started http server: 0.0.0.0:8536");
|
2019-03-21 01:22:31 +00:00
|
|
|
let _ = sys.run();
|
|
|
|
}
|
2019-04-06 05:29:20 +00:00
|
|
|
|
|
|
|
fn index(_req: &HttpRequest<WsChatSessionState>) -> Result<NamedFile, actix_web::error::Error> {
|
|
|
|
Ok(NamedFile::open(front_end_dir() + "/index.html")?)
|
|
|
|
}
|
|
|
|
|
|
|
|
fn front_end_dir() -> String {
|
|
|
|
env::var("LEMMY_FRONT_END_DIR").unwrap_or("../ui/dist".to_string())
|
|
|
|
}
|