Implement UnboundedChannels for concurrency

Cargo.lock

@@ -416,7 +416,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "flodgatt"
-version = "0.9.0"
+version = "0.9.1"
 dependencies = [
  "criterion 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "dotenv 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "flodgatt"
 description = "A blazingly fast drop-in replacement for the Mastodon streaming api server"
-version = "0.9.0"
+version = "0.9.1"
 authors = ["Daniel Long Sockwell <daniel@codesections.com", "Julian Laubstein <contact@julianlaubstein.de>"]
 edition = "2018"
 

src/response/redis/manager.rs

@@ -59,7 +59,7 @@ impl Manager {
     }
 
     pub(crate) fn unsubscribe(&mut self, tl: &mut Timeline, id: &Uuid) -> Result<()> {
-        let channels = self.timelines.get_mut(tl).expect("TODO");
+        let channels = self.timelines.get_mut(tl).ok_or(Error::InvalidId)?;
         channels.remove(id);
 
         if channels.len() == 0 {
@@ -71,10 +71,8 @@ impl Manager {
     }
 
     pub fn poll_broadcast(&mut self) -> Result<()> {
-        let (start, mut sent) = (std::time::Instant::now(), false);
         let mut completed_timelines = Vec::new();
         if self.ping_time.elapsed() > Duration::from_secs(30) {
-            log::info!("Ping!");
             self.ping_time = Instant::now();
             for (timeline, channels) in self.timelines.iter_mut() {
                 for (uuid, channel) in channels.iter_mut() {
@@ -89,13 +87,9 @@ impl Manager {
             match self.redis_connection.poll_redis() {
                 Ok(Async::NotReady) => break,
                 Ok(Async::Ready(Some((tl, event)))) => {
-                    for (uuid, channel) in self.timelines.get_mut(&tl).ok_or(Error::InvalidId)? {
-                        log::info!("Sending real event for {:?}", tl);
-                        sent = true;
-                        match channel.try_send(event.clone()) {
-                            Ok(_) => (),
-                            Err(_) => completed_timelines.push((tl, *uuid)),
-                        }
+                    for (uuid, tx) in self.timelines.get_mut(&tl).ok_or(Error::InvalidId)? {
+                        tx.try_send(event.clone())
+                            .unwrap_or_else(|_| completed_timelines.push((tl, *uuid)))
                     }
                 }
                 Ok(Async::Ready(None)) => (), // cmd or msg for other namespace
@@ -106,9 +100,6 @@ impl Manager {
         for (tl, channel) in completed_timelines.iter_mut() {
             self.unsubscribe(tl, &channel)?;
         }
-        if sent {
-            log::info!("{:?}", start.elapsed())
-        }
         Ok(())
     }
 

src/response/redis/manager/err.rs

@@ -6,6 +6,7 @@ use std::fmt;
 #[derive(Debug)]
 pub enum Error {
     InvalidId,
+
     TimelineErr(TimelineErr),
     EventErr(EventErr),
     RedisParseErr(RedisParseErr),
@@ -22,7 +23,7 @@ impl fmt::Display for Error {
         match self {
             InvalidId => write!(
                 f,
-                "Attempted to get messages for a subscription that had not been set up."
+                "tried to access a timeline/channel subscription that does not exist"
             ),
             EventErr(inner) => write!(f, "{}", inner),
             RedisParseErr(inner) => write!(f, "{}", inner),

src/response/stream/ws.rs

@@ -1,7 +1,8 @@
 use super::{Event, Payload};
 use crate::request::Subscription;
 
-use futures::{future::Future, stream::Stream};
+use futures::future::Future;
+use futures::stream::Stream;
 use tokio::sync::mpsc::{self, UnboundedReceiver, UnboundedSender};
 use warp::ws::{Message, WebSocket};
 
@@ -31,9 +32,7 @@ impl Ws {
                 .map(|_r| ())
                 .map_err(|e| {
                     match e.to_string().as_ref() {
-                        "IO error: Broken pipe (os error 32)" => {
-                            log::info!("Client connection lost")
-                        } // just closed unix socket
+                        "IO error: Broken pipe (os error 32)" => (), // just closed unix socket
                         _ => log::warn!("WebSocket send error: {}", e),
                     }
                 }),