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Small update to Rocket WebSockets

Browse source 
Switched from channels to stream. This is able to use yield, and the
code looks a bit nicer this way.

Also updated all the crates.
This commit is contained in:
BlackDex 2023-04-12 15:59:05 +02:00
parent 07099df41a
commit 48cc31a59f
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GPG key ID: 58C80A2AA6C765E1
3 changed files with 37 additions and 39 deletions
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46
Cargo.lock generated
View file

@ -199,7 +199,7 @@ checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn 2.0.13", "syn 2.0.14",
] ]
[[package]] [[package]]
@ -216,7 +216,7 @@ checksum = "b9ccdd8f2a161be9bd5c023df56f1b2a0bd1d83872ae53b71a84a12c9bf6e842"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn 2.0.13", "syn 2.0.14",
] ]
[[package]] [[package]]
@ -356,9 +356,9 @@ checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
[[package]] [[package]]
name = "cached" name = "cached"
version = "0.42.0" version = "0.43.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5e5877db5d1af7fae60d06b5db9430b68056a69b3582a0be8e3691e87654aeb6" checksum = "bc2fafddf188d13788e7099295a59b99e99b2148ab2195cae454e754cc099925"
dependencies = [ dependencies = [
"async-trait", "async-trait",
"async_once", "async_once",
@ -610,7 +610,7 @@ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"scratch", "scratch",
"syn 2.0.13", "syn 2.0.14",
] ]
[[package]] [[package]]
@ -627,7 +627,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn 2.0.13", "syn 2.0.14",
] ]
[[package]] [[package]]
@ -720,7 +720,7 @@ dependencies = [
"proc-macro2", "proc-macro2",
"proc-macro2-diagnostics", "proc-macro2-diagnostics",
"quote", "quote",
"syn 2.0.13", "syn 2.0.14",
] ]
[[package]] [[package]]
@ -1018,7 +1018,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn 2.0.13", "syn 2.0.14",
] ]
[[package]] [[package]]
@ -1868,7 +1868,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn 2.0.13", "syn 2.0.14",
] ]
[[package]] [[package]]
@ -1980,7 +1980,7 @@ dependencies = [
"proc-macro2", "proc-macro2",
"proc-macro2-diagnostics", "proc-macro2-diagnostics",
"quote", "quote",
"syn 2.0.13", "syn 2.0.14",
] ]
[[package]] [[package]]
@ -2028,7 +2028,7 @@ dependencies = [
"pest_meta", "pest_meta",
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn 2.0.13", "syn 2.0.14",
] ]
[[package]] [[package]]
@ -2176,7 +2176,7 @@ checksum = "606c4ba35817e2922a308af55ad51bab3645b59eae5c570d4a6cf07e36bd493b"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn 2.0.13", "syn 2.0.14",
"version_check", "version_check",
"yansi", "yansi",
] ]
@ -2319,7 +2319,7 @@ checksum = "8d2275aab483050ab2a7364c1a46604865ee7d6906684e08db0f090acf74f9e7"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn 2.0.13", "syn 2.0.14",
] ]
[[package]] [[package]]
@ -2487,7 +2487,7 @@ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"rocket_http", "rocket_http",
"syn 2.0.13", "syn 2.0.14",
"unicode-xid", "unicode-xid",
] ]
@ -2693,9 +2693,9 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
[[package]] [[package]]
name = "serde" name = "serde"
version = "1.0.159" version = "1.0.160"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3c04e8343c3daeec41f58990b9d77068df31209f2af111e059e9fe9646693065" checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
dependencies = [ dependencies = [
"serde_derive", "serde_derive",
] ]
@ -2712,13 +2712,13 @@ dependencies = [
[[package]] [[package]]
name = "serde_derive" name = "serde_derive"
version = "1.0.159" version = "1.0.160"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4c614d17805b093df4b147b51339e7e44bf05ef59fba1e45d83500bcfb4d8585" checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn 2.0.13", "syn 2.0.14",
] ]
[[package]] [[package]]
@ -2903,9 +2903,9 @@ dependencies = [
[[package]] [[package]]
name = "syn" name = "syn"
version = "2.0.13" version = "2.0.14"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4c9da457c5285ac1f936ebd076af6dac17a61cfe7826f2076b4d015cf47bc8ec" checksum = "fcf316d5356ed6847742d036f8a39c3b8435cac10bd528a4bd461928a6ab34d5"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
@ -2964,7 +2964,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn 2.0.13", "syn 2.0.14",
] ]
[[package]] [[package]]
@ -3057,7 +3057,7 @@ checksum = "61a573bdc87985e9d6ddeed1b3d864e8a302c847e40d647746df2f1de209d1ce"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn 2.0.13", "syn 2.0.14",
] ]
[[package]] [[package]]

4
Cargo.toml
View file

@ -71,7 +71,7 @@ futures = "0.3.28"
tokio = { version = "1.27.0", features = ["rt-multi-thread", "fs", "io-util", "parking_lot", "time", "signal"] } tokio = { version = "1.27.0", features = ["rt-multi-thread", "fs", "io-util", "parking_lot", "time", "signal"] }
# A generic serialization/deserialization framework # A generic serialization/deserialization framework
serde = { version = "1.0.159", features = ["derive"] } serde = { version = "1.0.160", features = ["derive"] }
serde_json = "1.0.95" serde_json = "1.0.95"
# A safe, extensible ORM and Query builder # A safe, extensible ORM and Query builder
@ -133,7 +133,7 @@ data-url = "0.2.0"
bytes = "1.4.0" bytes = "1.4.0"
# Cache function results (Used for version check and favicon fetching) # Cache function results (Used for version check and favicon fetching)
cached = "0.42.0" cached = "0.43.0"
# Used for custom short lived cookie jar during favicon extraction # Used for custom short lived cookie jar during favicon extraction
cookie = "0.16.2" cookie = "0.16.2"

24
src/api/notifications.rs
View file

@ -74,7 +74,7 @@ async fn websockets_hub<'r>(
ws: rocket_ws::WebSocket, ws: rocket_ws::WebSocket,
data: WsAccessToken, data: WsAccessToken,
ip: ClientIp, ip: ClientIp,
) -> Result<rocket_ws::Channel<'r>, Error> { ) -> Result<rocket_ws::Stream!['r], Error> {
let addr = ip.ip; let addr = ip.ip;
info!("Accepting Rocket WS connection from {addr}"); info!("Accepting Rocket WS connection from {addr}");
@ -93,19 +93,19 @@ async fn websockets_hub<'r>(
(rx, WSEntryMapGuard::new(users, claims.sub, entry_uuid, addr)) (rx, WSEntryMapGuard::new(users, claims.sub, entry_uuid, addr))
}; };
Ok(ws.channel(move |mut stream| { Ok({
Box::pin(async move { rocket_ws::Stream! { ws => {
// Make sure the guard is moved into the channel future so it's not dropped earlier let mut ws = ws;
let _guard = guard; let _guard = guard;
let mut interval = tokio::time::interval(Duration::from_secs(15)); let mut interval = tokio::time::interval(Duration::from_secs(15));
loop { loop {
tokio::select! { tokio::select! {
res = stream.next() => { res = ws.next() => {
match res { match res {
Some(Ok(message)) => { Some(Ok(message)) => {
match message { match message {
// Respond to any pings // Respond to any pings
Message::Ping(ping) => stream.send(Message::Pong(ping)).await?, Message::Ping(ping) => yield Message::Pong(ping),
Message::Pong(_) => {/* Ignored */}, Message::Pong(_) => {/* Ignored */},
// We should receive an initial message with the protocol and version, and we will reply to it // We should receive an initial message with the protocol and version, and we will reply to it
@ -113,12 +113,12 @@ async fn websockets_hub<'r>(
let msg = message.strip_suffix(RECORD_SEPARATOR as char).unwrap_or(message); let msg = message.strip_suffix(RECORD_SEPARATOR as char).unwrap_or(message);
if serde_json::from_str(msg).ok() == Some(INITIAL_MESSAGE) { if serde_json::from_str(msg).ok() == Some(INITIAL_MESSAGE) {
stream.send(Message::binary(INITIAL_RESPONSE)).await?; yield Message::binary(INITIAL_RESPONSE);
continue; continue;
} }
} }
// Just echo anything else the client sends // Just echo anything else the client sends
_ => stream.send(message).await?, _ => yield message,
} }
} }
_ => break, _ => break,
@ -127,18 +127,16 @@ async fn websockets_hub<'r>(
res = rx.recv() => { res = rx.recv() => {
match res { match res {
Some(res) => stream.send(res).await?, Some(res) => yield res,
None => break, None => break,
} }
} }
_ = interval.tick() => stream.send(Message::Ping(create_ping())).await? _ = interval.tick() => yield Message::Ping(create_ping())
} }
} }
}}
Ok(())
}) })
}))
} }
// //