mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-10-01 01:36:12 -04:00
5c6258390c
* Adding a way to GetComments for a community given its name only. * Adding getcomments to api docs. * A first pass at locally working isomorphic integration. * Testing out cargo-husky. * Testing a fail hook. * Revert "Testing a fail hook." This reverts commit0941cf1736
. * Moving server to top level, now that UI is gone. * Running cargo fmt using old way. * Adding nginx, fixing up docker-compose files, fixing docs. * Trying to re-add API tests. * Fixing prod dockerfile. * Redoing nightly fmt * Trying to fix private message api test. * Adding CommunityJoin, PostJoin instead of joins from GetComments, etc. - Fixes #1122 * Fixing fmt. * Fixing up docs. * Removing translations. * Adding apps / clients to readme. * Fixing main image. * Using new lemmy-isomorphic-ui with better javascript disabled. * Try to fix image uploads in federation test * Revert "Try to fix image uploads in federation test" This reverts commita2ddf2a90b
. * Fix post url federation * Adding some more tests, some still broken. * Don't need gitattributes anymore. * Update local federation test setup * Fixing tests. * Fixing travis build. * Fixing travis build, again. * Changing lemmy-isomorphic-ui to lemmy-ui * Error in travis build again. Co-authored-by: Felix Ableitner <me@nutomic.com>
176 lines
4.4 KiB
Rust
176 lines
4.4 KiB
Rust
use crate::{
|
|
websocket::{
|
|
chat_server::ChatServer,
|
|
messages::{Connect, Disconnect, StandardMessage, WSMessage},
|
|
},
|
|
LemmyContext,
|
|
};
|
|
use actix::prelude::*;
|
|
use actix_web::*;
|
|
use actix_web_actors::ws;
|
|
use lemmy_utils::utils::get_ip;
|
|
use log::{debug, error, info};
|
|
use std::time::{Duration, Instant};
|
|
|
|
/// 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);
|
|
|
|
/// Entry point for our route
|
|
pub async fn chat_route(
|
|
req: HttpRequest,
|
|
stream: web::Payload,
|
|
context: web::Data<LemmyContext>,
|
|
) -> Result<HttpResponse, Error> {
|
|
ws::start(
|
|
WSSession {
|
|
cs_addr: context.chat_server().to_owned(),
|
|
id: 0,
|
|
hb: Instant::now(),
|
|
ip: get_ip(&req.connection_info()),
|
|
},
|
|
&req,
|
|
stream,
|
|
)
|
|
}
|
|
|
|
struct WSSession {
|
|
cs_addr: Addr<ChatServer>,
|
|
/// unique session id
|
|
id: usize,
|
|
ip: String,
|
|
/// 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>;
|
|
|
|
/// 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.
|
|
// across all routes within application
|
|
let addr = ctx.address();
|
|
self
|
|
.cs_addr
|
|
.send(Connect {
|
|
addr: addr.recipient(),
|
|
ip: self.ip.to_owned(),
|
|
})
|
|
.into_actor(self)
|
|
.then(|res, act, ctx| {
|
|
match res {
|
|
Ok(res) => act.id = res,
|
|
// something is wrong with chat server
|
|
_ => ctx.stop(),
|
|
}
|
|
actix::fut::ready(())
|
|
})
|
|
.wait(ctx);
|
|
}
|
|
|
|
fn stopping(&mut self, _ctx: &mut Self::Context) -> Running {
|
|
// notify chat server
|
|
self.cs_addr.do_send(Disconnect {
|
|
id: self.id,
|
|
ip: self.ip.to_owned(),
|
|
});
|
|
Running::Stop
|
|
}
|
|
}
|
|
|
|
/// Handle messages from chat server, we simply send it to peer websocket
|
|
/// These are room messages, IE sent to others in the room
|
|
impl Handler<WSMessage> for WSSession {
|
|
type Result = ();
|
|
|
|
fn handle(&mut self, msg: WSMessage, ctx: &mut Self::Context) {
|
|
ctx.text(msg.0);
|
|
}
|
|
}
|
|
|
|
/// WebSocket message handler
|
|
impl StreamHandler<Result<ws::Message, ws::ProtocolError>> for WSSession {
|
|
fn handle(&mut self, result: Result<ws::Message, ws::ProtocolError>, ctx: &mut Self::Context) {
|
|
let message = match result {
|
|
Ok(m) => m,
|
|
Err(e) => {
|
|
error!("{}", e);
|
|
return;
|
|
}
|
|
};
|
|
match message {
|
|
ws::Message::Ping(msg) => {
|
|
self.hb = Instant::now();
|
|
ctx.pong(&msg);
|
|
}
|
|
ws::Message::Pong(_) => {
|
|
self.hb = Instant::now();
|
|
}
|
|
ws::Message::Text(text) => {
|
|
let m = text.trim().to_owned();
|
|
info!("Message received: {:?} from id: {}", &m, self.id);
|
|
|
|
self
|
|
.cs_addr
|
|
.send(StandardMessage {
|
|
id: self.id,
|
|
msg: m,
|
|
})
|
|
.into_actor(self)
|
|
.then(|res, _, ctx| {
|
|
match res {
|
|
Ok(Ok(res)) => ctx.text(res),
|
|
Ok(Err(_)) => {}
|
|
Err(e) => error!("{}", &e),
|
|
}
|
|
actix::fut::ready(())
|
|
})
|
|
.spawn(ctx);
|
|
}
|
|
ws::Message::Binary(_bin) => info!("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>) {
|
|
ctx.run_interval(HEARTBEAT_INTERVAL, |act, ctx| {
|
|
// check client heartbeats
|
|
if Instant::now().duration_since(act.hb) > CLIENT_TIMEOUT {
|
|
// heartbeat timed out
|
|
debug!("Websocket Client heartbeat failed, disconnecting!");
|
|
|
|
// notify chat server
|
|
act.cs_addr.do_send(Disconnect {
|
|
id: act.id,
|
|
ip: act.ip.to_owned(),
|
|
});
|
|
|
|
// stop actor
|
|
ctx.stop();
|
|
|
|
// don't try to send a ping
|
|
return;
|
|
}
|
|
|
|
ctx.ping(b"");
|
|
});
|
|
}
|
|
}
|