split irc proejction into a separate crate

Cargo.lock

@@ -854,10 +854,11 @@ dependencies = [
  "futures-util",
  "http-body-util",
  "hyper 1.0.0-rc.3",
+ "lavina-core",
  "mgmt-api",
  "nonempty",
+ "projection-irc",
  "prometheus",
- "proto-irc",
  "proto-xmpp",
  "quick-xml",
  "regex",
@@ -865,7 +866,6 @@ dependencies = [
  "rustls-pemfile",
  "serde",
  "serde_json",
- "sqlx",
  "tokio",
  "tokio-rustls",
  "tracing",
@@ -873,6 +873,18 @@ dependencies = [
  "uuid",
 ]
 
+[[package]]
+name = "lavina-core"
+version = "0.0.1-dev"
+dependencies = [
+ "anyhow",
+ "prometheus",
+ "serde",
+ "sqlx",
+ "tokio",
+ "tracing",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -1240,6 +1252,21 @@ dependencies = [
  "yansi",
 ]
 
+[[package]]
+name = "projection-irc"
+version = "0.0.1-dev"
+dependencies = [
+ "anyhow",
+ "futures-util",
+ "lavina-core",
+ "nonempty",
+ "prometheus",
+ "proto-irc",
+ "serde",
+ "tokio",
+ "tracing",
+]
+
 [[package]]
 name = "prometheus"
 version = "0.13.3"

Cargo.toml

@@ -1,7 +1,9 @@
 [workspace]
 members = [
     ".",
+    "crates/lavina-core",
     "crates/proto-irc",
+    "crates/projection-irc",
     "crates/proto-xmpp",
     "crates/mgmt-api",
 ]
@@ -22,6 +24,9 @@ regex = "1.7.1"
 derive_more = "0.99.17"
 clap = { version = "4.4.4", features = ["derive"] }
 serde = { version = "1.0.152", features = ["rc", "serde_derive"] }
+tracing = "0.1.37" # logging & tracing api
+prometheus = { version = "0.13.3", default-features = false }
+lavina-core = { path = "crates/lavina-core" }
 
 [package]
 name = "lavina"
@@ -37,18 +42,18 @@ http-body-util = "0.1.0-rc.3"
 serde.workspace = true
 serde_json = "1.0.93"
 tokio.workspace = true
-tracing = "0.1.37" # logging & tracing api
+tracing.workspace = true
 tracing-subscriber = "0.3.16"
 futures-util.workspace = true
-prometheus = { version = "0.13.3", default-features = false }
+prometheus.workspace = true
 nonempty.workspace = true
 tokio-rustls = "0.24.1"
 rustls-pemfile = "1.0.2"
 quick-xml.workspace = true
 derive_more.workspace = true
 uuid = { version = "1.3.0", features = ["v4"] }
-sqlx = { version = "0.7.0-alpha.2", features = ["sqlite", "migrate"] }
-proto-irc = { path = "crates/proto-irc" }
+lavina-core.workspace = true
+projection-irc = { path = "crates/projection-irc" }
 proto-xmpp = { path = "crates/proto-xmpp" }
 mgmt-api = { path = "crates/mgmt-api" }
 clap.workspace = true

crates/lavina-core/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "lavina-core"
+edition = "2021"
+version.workspace = true
+
+[dependencies]
+anyhow.workspace = true
+sqlx = { version = "0.7.0-alpha.2", features = ["sqlite", "migrate"] }
+serde.workspace = true
+tokio.workspace = true
+tracing.workspace = true
+prometheus.workspace = true

crates/lavina-core/src/lib.rs

@@ -1,4 +1,8 @@
 //! Domain definitions and implementation of common chat logic.
 pub mod player;
+pub mod prelude;
 pub mod repo;
 pub mod room;
+pub mod terminator;
+
+mod table;

crates/lavina-core/src/player.rs

@@ -19,11 +19,9 @@ use tokio::{
     task::JoinHandle,
 };
 
-use crate::{
-    core::room::{RoomHandle, RoomId, RoomInfo, RoomRegistry},
-    prelude::*,
-    util::table::{AnonTable, Key as AnonKey},
-};
+use crate::prelude::*;
+use crate::room::{RoomHandle, RoomId, RoomInfo, RoomRegistry};
+use crate::table::{AnonTable, Key as AnonKey};
 
 /// Opaque player identifier. Cannot contain spaces, must be shorter than 32.
 #[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize)]
@@ -63,9 +61,7 @@ impl PlayerConnection {
     }
 
     pub async fn join_room(&mut self, room_id: RoomId) -> Result<JoinResult> {
-        self.player_handle
-            .join_room(room_id, self.connection_id.clone())
-            .await
+        self.player_handle.join_room(room_id, self.connection_id.clone()).await
     }
 
     pub async fn change_topic(&mut self, room_id: RoomId, new_topic: Str) -> Result<()> {
@@ -100,9 +96,7 @@ impl PlayerConnection {
 
     pub async fn get_rooms(&self) -> Result<Vec<RoomInfo>> {
         let (promise, deferred) = oneshot();
-        self.player_handle
-            .send(PlayerCommand::GetRooms(promise))
-            .await;
+        self.player_handle.send(PlayerCommand::GetRooms(promise)).await;
         Ok(deferred.await?)
     }
 }
@@ -126,27 +120,14 @@ impl PlayerHandle {
         }
     }
 
-    pub async fn send_message(
-        &self,
-        room_id: RoomId,
-        connection_id: ConnectionId,
-        body: Str,
-    ) -> Result<()> {
+    pub async fn send_message(&self, room_id: RoomId, connection_id: ConnectionId, body: Str) -> Result<()> {
         let (promise, deferred) = oneshot();
-        let cmd = Cmd::SendMessage {
-            room_id,
-            body,
-            promise,
-        };
+        let cmd = Cmd::SendMessage { room_id, body, promise };
         let _ = self.tx.send(PlayerCommand::Cmd(cmd, connection_id)).await;
         Ok(deferred.await?)
     }
 
-    pub async fn join_room(
-        &self,
-        room_id: RoomId,
-        connection_id: ConnectionId,
-    ) -> Result<JoinResult> {
+    pub async fn join_room(&self, room_id: RoomId, connection_id: ConnectionId) -> Result<JoinResult> {
         let (promise, deferred) = oneshot();
         let cmd = Cmd::JoinRoom { room_id, promise };
         let _ = self.tx.send(PlayerCommand::Cmd(cmd, connection_id)).await;
@@ -230,12 +211,8 @@ pub enum Updates {
 #[derive(Clone)]
 pub struct PlayerRegistry(Arc<RwLock<PlayerRegistryInner>>);
 impl PlayerRegistry {
-    pub fn empty(
-        room_registry: RoomRegistry,
-        metrics: &mut MetricsRegistry,
-    ) -> Result<PlayerRegistry> {
-        let metric_active_players =
-            IntGauge::new("chat_players_active", "Number of alive player actors")?;
+    pub fn empty(room_registry: RoomRegistry, metrics: &mut MetricsRegistry) -> Result<PlayerRegistry> {
+        let metric_active_players = IntGauge::new("chat_players_active", "Number of alive player actors")?;
         metrics.register(Box::new(metric_active_players.clone()))?;
         let inner = PlayerRegistryInner {
             room_registry,
@@ -375,8 +352,7 @@ impl Player {
                         return;
                     }
                 };
-                room.subscribe(self.player_id.clone(), self.handle.clone())
-                    .await;
+                room.subscribe(self.player_id.clone(), self.handle.clone()).await;
                 self.my_rooms.insert(room_id.clone(), room.clone());
                 let room_info = room.get_room_info().await;
                 let _ = promise.send(JoinResult::Success(room_info));
@@ -399,15 +375,10 @@ impl Player {
                 };
                 self.broadcast_update(update, connection_id).await;
             }
-            Cmd::SendMessage {
-                room_id,
-                body,
-                promise,
-            } => {
+            Cmd::SendMessage { room_id, body, promise } => {
                 let room = self.rooms.get_room(&room_id).await;
                 if let Some(room) = room {
-                    room.send_message(self.player_id.clone(), body.clone())
-                        .await;
+                    room.send_message(self.player_id.clone(), body.clone()).await;
                 } else {
                     tracing::info!("no room found");
                 }
@@ -426,8 +397,7 @@ impl Player {
             } => {
                 let room = self.rooms.get_room(&room_id).await;
                 if let Some(mut room) = room {
-                    room.set_topic(self.player_id.clone(), new_topic.clone())
-                        .await;
+                    room.set_topic(self.player_id.clone(), new_topic.clone()).await;
                 } else {
                     tracing::info!("no room found");
                 }

crates/lavina-core/src/prelude.rs

@@ -15,11 +15,3 @@ pub type Str = std::sync::Arc<str>;
 pub fn fail(msg: &str) -> anyhow::Error {
     anyhow::Error::msg(msg.to_owned())
 }
-
-macro_rules! ffail {
-    ($($arg:tt)*) => {
-        fail(&format!($($arg)*))
-    };
-}
-
-pub(crate) use ffail;

crates/lavina-core/src/repo/mod.rs

@@ -93,10 +93,10 @@ impl Storage {
         Ok(())
     }
 
-    pub async fn close(mut self) -> Result<()> {
+    pub async fn close(self) -> Result<()> {
         let res = match Arc::try_unwrap(self.conn) {
             Ok(e) => e,
-            Err(e) => return Err(fail("failed to acquire DB ownership on shutdown")),
+            Err(_) => return Err(fail("failed to acquire DB ownership on shutdown")),
         };
         let res = res.into_inner();
         res.close().await?;

crates/lavina-core/src/room.rs

@@ -1,17 +1,13 @@
 //! Domain of rooms — chats with multiple participants.
-use std::{
-    collections::HashMap,
-    hash::Hash,
-    sync::Arc,
-};
+use std::{collections::HashMap, hash::Hash, sync::Arc};
 
 use prometheus::{IntGauge, Registry as MetricRegistry};
 use serde::Serialize;
 use tokio::sync::RwLock as AsyncRwLock;
 
-use crate::core::player::{PlayerHandle, PlayerId, Updates};
-use crate::core::repo::Storage;
+use crate::player::{PlayerHandle, PlayerId, Updates};
 use crate::prelude::*;
+use crate::repo::Storage;
 
 /// Opaque room id
 #[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize)]
@@ -20,9 +16,7 @@ impl RoomId {
     pub fn from(str: impl Into<Str>) -> Result<RoomId> {
         let bytes = str.into();
         if bytes.len() > 32 {
-            return Err(anyhow::Error::msg(
-                "Room name cannot be longer than 32 symbols",
-            ));
+            return Err(anyhow::Error::msg("Room name cannot be longer than 32 symbols"));
         }
         if bytes.contains(' ') {
             return Err(anyhow::Error::msg("Room name cannot contain spaces"));
@@ -42,8 +36,7 @@ impl RoomId {
 pub struct RoomRegistry(Arc<AsyncRwLock<RoomRegistryInner>>);
 impl RoomRegistry {
     pub fn new(metrics: &mut MetricRegistry, storage: Storage) -> Result<RoomRegistry> {
-        let metric_active_rooms =
-            IntGauge::new("chat_rooms_active", "Number of alive room actors")?;
+        let metric_active_rooms = IntGauge::new("chat_rooms_active", "Number of alive room actors")?;
         metrics.register(Box::new(metric_active_rooms.clone()))?;
         let inner = RoomRegistryInner {
             rooms: HashMap::new(),
@@ -150,11 +143,7 @@ impl RoomHandle {
         let lock = self.0.read().await;
         RoomInfo {
             id: lock.room_id.clone(),
-            members: lock
-                .subscriptions
-                .keys()
-                .map(|x| x.clone())
-                .collect::<Vec<_>>(),
+            members: lock.subscriptions.keys().map(|x| x.clone()).collect::<Vec<_>>(),
             topic: lock.topic.clone(),
         }
     }
@@ -191,7 +180,9 @@ impl Room {
 
     async fn send_message(&mut self, author_id: PlayerId, body: Str) -> Result<()> {
         tracing::info!("Adding a message to room");
-        self.storage.insert_message(self.storage_id, self.message_count, &body).await?;
+        self.storage
+            .insert_message(self.storage_id, self.message_count, &body)
+            .await?;
         self.message_count += 1;
         let update = Updates::NewMessage {
             room_id: self.room_id.clone(),

crates/lavina-core/src/terminator.rs

@@ -0,0 +1,28 @@
+use crate::prelude::*;
+
+pub struct Terminator {
+    signal: Promise<()>,
+    completion: JoinHandle<Result<()>>,
+}
+impl Terminator {
+    pub async fn terminate(self) -> Result<()> {
+        match self.signal.send(()) {
+            Ok(()) => {}
+            Err(_) => log::warn!("Termination channel is dropped"),
+        }
+        self.completion.await??;
+        Ok(())
+    }
+
+    /// Used to spawn managed tasks with support for graceful shutdown
+    pub fn spawn<Fun, Fut>(launcher: Fun) -> Terminator
+    where
+        Fun: FnOnce(Deferred<()>) -> Fut,
+        Fut: Future<Output = Result<()>> + Send + 'static,
+    {
+        let (signal, rx) = oneshot();
+        let future = launcher(rx);
+        let completion = tokio::task::spawn(future);
+        Terminator { signal, completion }
+    }
+}

crates/projection-irc/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "projection-irc"
+edition = "2021"
+version.workspace = true
+
+[dependencies]
+lavina-core.workspace = true
+tracing.workspace = true
+anyhow.workspace = true
+nonempty.workspace = true
+serde.workspace = true
+tokio.workspace = true
+prometheus.workspace = true
+proto-irc = { path = "../proto-irc" }
+futures-util.workspace = true

crates/projection-irc/src/lib.rs

@@ -1,26 +1,26 @@
 use std::collections::HashMap;
 use std::net::SocketAddr;
 
+use anyhow::{anyhow, Result};
 use futures_util::future::join_all;
 use nonempty::nonempty;
 use nonempty::NonEmpty;
 use prometheus::{IntCounter, IntGauge, Registry as MetricsRegistry};
-
 use serde::Deserialize;
 use tokio::io::{AsyncBufReadExt, AsyncWrite, AsyncWriteExt, BufReader, BufWriter};
 use tokio::net::tcp::{ReadHalf, WriteHalf};
 use tokio::net::{TcpListener, TcpStream};
 use tokio::sync::mpsc::channel;
 
-use crate::core::player::*;
-use crate::core::repo::Storage;
-use crate::core::room::{RoomId, RoomInfo, RoomRegistry};
-use crate::prelude::*;
+use lavina_core::player::*;
+use lavina_core::prelude::*;
+use lavina_core::repo::Storage;
+use lavina_core::room::{RoomId, RoomInfo, RoomRegistry};
+use lavina_core::terminator::Terminator;
 use proto_irc::client::{client_message, ClientMessage};
 use proto_irc::server::{AwayStatus, ServerMessage, ServerMessageBody};
+use proto_irc::user::PrefixedNick;
 use proto_irc::{Chan, Recipient};
-use proto_irc::user::{Prefix, PrefixedNick};
-use crate::util::Terminator;
 
 #[cfg(test)]
 mod test;
@@ -70,14 +70,12 @@ async fn handle_socket(
     .await?;
     writer.flush().await?;
 
-    let registered_user: Result<RegisteredUser> =
-        handle_registration(&mut reader, &mut writer, &mut storage).await;
+    let registered_user: Result<RegisteredUser> = handle_registration(&mut reader, &mut writer, &mut storage).await;
 
     match registered_user {
         Ok(user) => {
             log::debug!("User registered");
-            handle_registered_socket(config, players, rooms, &mut reader, &mut writer, user)
-                .await?;
+            handle_registered_socket(config, players, rooms, &mut reader, &mut writer, user).await?;
         }
         Err(_) => {
             log::debug!("Registration failed");
@@ -159,23 +157,22 @@ async fn handle_registration<'a>(
         buffer.clear();
     }?;
 
-
     let stored_user = storage.retrieve_user_by_name(&*user.nickname).await?;
 
     let stored_user = match stored_user {
         Some(u) => u,
         None => {
             log::info!("User '{}' not found", user.nickname);
-            return Err(fail("no user found"));
+            return Err(anyhow!("no user found"));
         }
     };
     if stored_user.password.is_none() {
         log::info!("Password not defined for user '{}'", user.nickname);
-        return Err(fail("password is not defined"));
+        return Err(anyhow!("password is not defined"));
     }
     if stored_user.password.as_deref() != pass.as_deref() {
         log::info!("Incorrect password supplied for user '{}'", user.nickname);
-        return Err(fail("passwords do not match"));
+        return Err(anyhow!("passwords do not match"));
     }
     // TODO properly implement session temination
 
@@ -250,14 +247,7 @@ async fn handle_registered_socket<'a>(
 
     let rooms_list = connection.get_rooms().await?;
     for room in &rooms_list {
-        produce_on_join_cmd_messages(
-            &config,
-            &user,
-            &Chan::Global(room.id.as_inner().clone()),
-            room,
-            writer,
-        )
-        .await?;
+        produce_on_join_cmd_messages(&config, &user, &Chan::Global(room.id.as_inner().clone()), room, writer).await?;
     }
 
     writer.flush().await?;
@@ -314,10 +304,7 @@ async fn handle_update(
 ) -> Result<()> {
     log::debug!("Sending irc message to player {player_id:?} on update {update:?}");
     match update {
-        Updates::RoomJoined {
-            new_member_id,
-            room_id,
-        } => {
+        Updates::RoomJoined { new_member_id, room_id } => {
             if player_id == &new_member_id {
                 if let Some(room) = rooms.get_room(&room_id).await {
                     let room_info = room.get_room_info().await;
@@ -438,16 +425,14 @@ async fn handle_incoming_message(
                 Recipient::Chan(Chan::Global(chan)) => {
                     let room_id = RoomId::from(chan)?;
                     user_handle.send_message(room_id, body).await?;
-                },
+                }
                 _ => log::warn!("Unsupported target type"),
             },
             ClientMessage::Topic { chan, topic } => {
                 match chan {
                     Chan::Global(chan) => {
                         let room_id = RoomId::from(chan)?;
-                        user_handle
-                            .change_topic(room_id.clone(), topic.clone())
-                            .await?;
+                        user_handle.change_topic(room_id.clone(), topic.clone()).await?;
                         ServerMessage {
                             tags: vec![],
                             sender: Some(config.server_name.clone()),
@@ -569,11 +554,7 @@ async fn handle_incoming_message(
     Ok(HandleResult::Continue)
 }
 
-fn user_to_who_msg(
-    config: &ServerConfig,
-    requestor: &RegisteredUser,
-    target_user_nickname: &Str,
-) -> ServerMessageBody {
+fn user_to_who_msg(config: &ServerConfig, requestor: &RegisteredUser, target_user_nickname: &Str) -> ServerMessageBody {
     // Username is equal to nickname
     let username = format!("~{target_user_nickname}").into();
 
@@ -674,8 +655,13 @@ async fn produce_on_join_cmd_messages(
     }
     .write_async(writer)
     .await?;
-    let prefixed_members: Vec<PrefixedNick> = room_info.members.iter().map(|member| PrefixedNick::from_str(member.clone().into_inner())).collect();
-    let non_empty_members: NonEmpty<PrefixedNick> = NonEmpty::from_vec(prefixed_members).unwrap_or(nonempty![PrefixedNick::from_str(user.nickname.clone())]);
+    let prefixed_members: Vec<PrefixedNick> = room_info
+        .members
+        .iter()
+        .map(|member| PrefixedNick::from_str(member.clone().into_inner()))
+        .collect();
+    let non_empty_members: NonEmpty<PrefixedNick> =
+        NonEmpty::from_vec(prefixed_members).unwrap_or(nonempty![PrefixedNick::from_str(user.nickname.clone())]);
 
     ServerMessage {
         tags: vec![],
@@ -710,12 +696,8 @@ pub async fn launch(
 ) -> Result<Terminator> {
     log::info!("Starting IRC projection");
     let (stopped_tx, mut stopped_rx) = channel(32);
-    let current_connections =
-        IntGauge::new("irc_current_connections", "Open and alive TCP connections")?;
-    let total_connections = IntCounter::new(
-        "irc_total_connections",
-        "Total number of opened connections",
-    )?;
+    let current_connections = IntGauge::new("irc_current_connections", "Open and alive TCP connections")?;
+    let total_connections = IntCounter::new("irc_total_connections", "Total number of opened connections")?;
     metrics.register(Box::new(current_connections.clone()))?;
     metrics.register(Box::new(total_connections.clone()))?;
 
@@ -780,7 +762,8 @@ pub async fn launch(
                     log::warn!("IRC connection to {socket_addr} finished with error: {err}")
                 }
             }
-        })).await;
+        }))
+        .await;
         log::info!("Stopped IRC projection");
         Ok(())
     });

crates/projection-irc/src/test.rs

@@ -2,7 +2,7 @@ use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader};
 use tokio::net::tcp::{ReadHalf, WriteHalf};
 use tokio::net::TcpStream;
 
-use crate::prelude::*;
+use lavina_core::prelude::*;
 
 struct TestScope<'a> {
     reader: BufReader<ReadHalf<'a>>,
@@ -35,11 +35,7 @@ async fn init_client(stream: &mut TcpStream) -> Result<TestScope> {
     let (reader, writer) = stream.split();
     let reader = BufReader::new(reader);
     let buffer = vec![];
-    Ok(TestScope {
-        reader,
-        writer,
-        buffer,
-    })
+    Ok(TestScope { reader, writer, buffer })
 }
 
 macro_rules! send {

src/main.rs

@@ -5,8 +5,6 @@
     impl_trait_in_assoc_type
 )]
 
-mod core;
-mod prelude;
 mod projections;
 mod util;
 
@@ -19,17 +17,17 @@ use figment::{providers::Toml, Figment};
 use prometheus::Registry as MetricsRegistry;
 use serde::Deserialize;
 
-use crate::core::player::PlayerRegistry;
-use crate::core::repo::Storage;
-use crate::core::room::RoomRegistry;
-use crate::prelude::*;
+use lavina_core::player::PlayerRegistry;
+use lavina_core::prelude::*;
+use lavina_core::repo::Storage;
+use lavina_core::room::RoomRegistry;
 
 #[derive(Deserialize, Debug)]
 struct ServerConfig {
     telemetry: util::telemetry::ServerConfig,
-    irc: projections::irc::ServerConfig,
+    irc: projection_irc::ServerConfig,
     xmpp: projections::xmpp::ServerConfig,
-    storage: core::repo::StorageConfig,
+    storage: lavina_core::repo::StorageConfig,
 }
 
 #[derive(Parser)]
@@ -65,7 +63,7 @@ async fn main() -> Result<()> {
     let mut players = PlayerRegistry::empty(rooms.clone(), &mut metrics)?;
     let telemetry_terminator =
         util::telemetry::launch(telemetry_config, metrics.clone(), rooms.clone(), storage.clone()).await?;
-    let irc = projections::irc::launch(irc_config, players.clone(), rooms.clone(), metrics.clone(), storage.clone()).await?;
+    let irc = projection_irc::launch(irc_config, players.clone(), rooms.clone(), metrics.clone(), storage.clone()).await?;
     let xmpp = projections::xmpp::launch(xmpp_config, players.clone(), rooms.clone(), metrics.clone()).await?;
     tracing::info!("Started");
 

src/projections/mod.rs

@@ -1,3 +1,2 @@
 //! Protocol projections — implementations of public APIs.
-pub mod irc;
 pub mod xmpp;

src/projections/xmpp/mod.rs

@@ -19,9 +19,10 @@ use tokio::sync::mpsc::channel;
 use tokio_rustls::rustls::{Certificate, PrivateKey};
 use tokio_rustls::TlsAcceptor;
 
-use crate::core::player::{PlayerConnection, PlayerId, PlayerRegistry};
-use crate::core::room::{RoomId, RoomRegistry};
-use crate::prelude::*;
+use lavina_core::player::{PlayerConnection, PlayerId, PlayerRegistry};
+use lavina_core::prelude::*;
+use lavina_core::room::{RoomId, RoomRegistry};
+use lavina_core::terminator::Terminator;
 use proto_xmpp::bind::{BindResponse, Jid, Name, Resource, Server};
 use proto_xmpp::client::{Iq, Message, MessageType, Presence};
 use proto_xmpp::disco::*;
@@ -29,7 +30,6 @@ use proto_xmpp::roster::RosterQuery;
 use proto_xmpp::session::Session;
 use proto_xmpp::stream::*;
 use proto_xmpp::xml::{Continuation, FromXml, Parser, ToXml};
-use crate::util::Terminator;
 
 use self::proto::{ClientPacket, IqClientBody};
 
@@ -332,7 +332,7 @@ async fn socket_final(
             update = user_handle.receiver.recv() => {
                 if let Some(update) = update {
                     match update {
-                        crate::core::player::Updates::NewMessage { room_id, author_id, body } => {
+                        lavina_core::player::Updates::NewMessage { room_id, author_id, body } => {
                             Message {
                                 to: Some(Jid {
                                     name: Some(authenticated.xmpp_name.clone()),

src/projections/xmpp/proto.rs

@@ -1,7 +1,9 @@
+use anyhow::anyhow;
 use derive_more::From;
 use quick_xml::events::Event;
 use quick_xml::name::{Namespace, ResolveResult};
 
+use lavina_core::prelude::*;
 use proto_xmpp::bind::BindRequest;
 use proto_xmpp::client::{Iq, Message, Presence};
 use proto_xmpp::disco::{InfoQuery, ItemQuery};
@@ -9,8 +11,6 @@ use proto_xmpp::roster::RosterQuery;
 use proto_xmpp::session::Session;
 use proto_xmpp::xml::*;
 
-use crate::prelude::*;
-
 #[derive(PartialEq, Eq, Debug, From)]
 pub enum IqClientBody {
     Bind(BindRequest),
@@ -29,7 +29,7 @@ impl FromXml for IqClientBody {
             let bytes = match event {
                 Event::Start(bytes) => bytes,
                 Event::Empty(bytes) => bytes,
-                _ => return Err(ffail!("Unexpected XML event: {event:?}")),
+                _ => return Err(anyhow!("Unexpected XML event: {event:?}")),
             };
             let name = bytes.name();
             match_parser!(name, namespace, event;
@@ -67,7 +67,7 @@ impl FromXml for ClientPacket {
                         Presence::<Ignore>,
                         Message,
                         {
-                            Err(ffail!(
+                            Err(anyhow!(
                                 "Unexpected XML event of name {:?} in namespace {:?}",
                                 name,
                                 namespace
@@ -80,11 +80,11 @@ impl FromXml for ClientPacket {
                     if name.local_name().as_ref() == b"stream" {
                         return Ok(ClientPacket::StreamEnd);
                     } else {
-                        return Err(ffail!("Unexpected XML event: {event:?}"));
+                        return Err(anyhow!("Unexpected XML event: {event:?}"));
                     }
                 }
                 _ => {
-                    return Err(ffail!("Unexpected XML event: {event:?}"));
+                    return Err(anyhow!("Unexpected XML event: {event:?}"));
                 }
             }
         }

src/util/mod.rs

@@ -1,33 +1,3 @@
-use crate::prelude::*;
-
-pub mod table;
 pub mod telemetry;
 #[cfg(test)]
 pub mod testkit;
-
-pub struct Terminator {
-    signal: Promise<()>,
-    completion: JoinHandle<Result<()>>,
-}
-impl Terminator {
-    pub async fn terminate(self) -> Result<()> {
-        match self.signal.send(()) {
-            Ok(()) => {}
-            Err(_) => log::warn!("Termination channel is dropped"),
-        }
-        self.completion.await??;
-        Ok(())
-    }
-
-    /// Used to spawn managed tasks with support for graceful shutdown
-    pub fn spawn<Fun, Fut>(launcher: Fun) -> Terminator
-    where
-        Fun: FnOnce(Deferred<()>) -> Fut,
-        Fut: Future<Output = Result<()>> + Send + 'static,
-    {
-        let (signal, rx) = oneshot();
-        let future = launcher(rx);
-        let completion = tokio::task::spawn(future);
-        Terminator { signal, completion }
-    }
-}

src/util/telemetry.rs

@@ -11,10 +11,10 @@ use prometheus::{Encoder, Registry as MetricsRegistry, TextEncoder};
 use serde::{Deserialize, Serialize};
 use tokio::net::TcpListener;
 
-use crate::core::repo::Storage;
-use crate::core::room::RoomRegistry;
-use crate::prelude::*;
-use crate::util::Terminator;
+use lavina_core::prelude::*;
+use lavina_core::repo::Storage;
+use lavina_core::room::RoomRegistry;
+use lavina_core::terminator::Terminator;
 
 use mgmt_api::*;
 

src/util/testkit.rs

@@ -2,7 +2,7 @@ use std::task::{Context, Poll};
 
 use futures_util::task::noop_waker_ref;
 
-use crate::prelude::*;
+use lavina_core::prelude::*;
 
 pub fn sync_future<T>(future: impl Future<Output = T>) -> Result<T> {
     let waker = noop_waker_ref();