split xmpp projection into a separate crate

Cargo.lock

@@ -858,19 +858,15 @@ dependencies = [
  "mgmt-api",
  "nonempty",
  "projection-irc",
+ "projection-xmpp",
  "prometheus",
- "proto-xmpp",
- "quick-xml",
  "regex",
  "reqwest",
- "rustls-pemfile",
  "serde",
  "serde_json",
  "tokio",
- "tokio-rustls",
  "tracing",
  "tracing-subscriber",
- "uuid",
 ]
 
 [[package]]
@@ -1267,6 +1263,25 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "projection-xmpp"
+version = "0.0.1-dev"
+dependencies = [
+ "anyhow",
+ "derive_more",
+ "futures-util",
+ "lavina-core",
+ "prometheus",
+ "proto-xmpp",
+ "quick-xml",
+ "rustls-pemfile",
+ "serde",
+ "tokio",
+ "tokio-rustls",
+ "tracing",
+ "uuid",
+]
+
 [[package]]
 name = "prometheus"
 version = "0.13.3"

Cargo.toml

@@ -47,14 +47,10 @@ tracing-subscriber = "0.3.16"
 futures-util.workspace = true
 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"] }
 lavina-core.workspace = true
 projection-irc = { path = "crates/projection-irc" }
-proto-xmpp = { path = "crates/proto-xmpp" }
+projection-xmpp = { path = "crates/projection-xmpp" }
 mgmt-api = { path = "crates/mgmt-api" }
 clap.workspace = true
 

crates/projection-irc/Cargo.toml

@@ -7,9 +7,10 @@ version.workspace = true
 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
+
+nonempty.workspace = true
+proto-irc = { path = "../proto-irc" }

crates/projection-xmpp/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "projection-xmpp"
+edition = "2021"
+version.workspace = true
+
+[dependencies]
+lavina-core.workspace = true
+tracing.workspace = true
+anyhow.workspace = true
+serde.workspace = true
+tokio.workspace = true
+prometheus.workspace = true
+futures-util.workspace = true
+
+quick-xml.workspace = true
+proto-xmpp = { path = "../proto-xmpp" }
+uuid = { version = "1.3.0", features = ["v4"] }
+tokio-rustls = "0.24.1"
+rustls-pemfile = "1.0.2"
+derive_more.workspace = true

crates/projection-xmpp/src/lib.rs

@@ -1,3 +1,5 @@
+#![feature(generators, generator_trait, type_alias_impl_trait, impl_trait_in_assoc_type)]
+
 mod proto;
 
 use std::collections::HashMap;
@@ -7,6 +9,7 @@ use std::net::SocketAddr;
 use std::path::PathBuf;
 use std::sync::Arc;
 
+use anyhow::anyhow;
 use futures_util::future::join_all;
 use prometheus::Registry as MetricsRegistry;
 use quick_xml::events::{BytesDecl, Event};
@@ -117,21 +120,15 @@ pub async fn launch(
             }
         }
         log::info!("Stopping XMPP projection");
-        join_all(
-            actors
-                .into_iter()
-                .map(|(socket_addr, terminator)| async move {
-                    log::debug!("Stopping XMPP connection at {socket_addr}");
-                    match terminator.terminate().await {
-                        Ok(_) => log::debug!("Stopped XMPP connection at {socket_addr}"),
-                        Err(err) => {
-                            log::warn!(
-                                "XMPP connection to {socket_addr} finished with error: {err}"
-                            )
-                        }
-                    }
-                }),
-        )
+        join_all(actors.into_iter().map(|(socket_addr, terminator)| async move {
+            log::debug!("Stopping XMPP connection at {socket_addr}");
+            match terminator.terminate().await {
+                Ok(_) => log::debug!("Stopped XMPP connection at {socket_addr}"),
+                Err(err) => {
+                    log::warn!("XMPP connection to {socket_addr} finished with error: {err}")
+                }
+            }
+        }))
         .await;
         log::info!("Stopped XMPP projection");
         Ok(())
@@ -172,9 +169,7 @@ async fn handle_socket(
 
     let authenticated = socket_auth(&mut xml_reader, &mut xml_writer, &mut reader_buf).await?;
     log::debug!("User authenticated");
-    let mut connection = players
-        .connect_to_player(authenticated.player_id.clone())
-        .await;
+    let mut connection = players.connect_to_player(authenticated.player_id.clone()).await;
     socket_final(
         &mut xml_reader,
         &mut xml_writer,
@@ -396,10 +391,7 @@ async fn handle_packet(
             {
                 if server.0.as_ref() == "rooms.localhost" && m.r#type == MessageType::Groupchat {
                     user_handle
-                        .send_message(
-                            RoomId::from(name.0.clone())?,
-                            m.body.clone().into(),
-                        )
+                        .send_message(RoomId::from(name.0.clone())?, m.body.clone().into())
                         .await?;
                     Message {
                         to: Some(Jid {
@@ -448,9 +440,7 @@ async fn handle_packet(
                 resource: Some(resource),
             }) = p.to
             {
-                let a = user_handle
-                    .join_room(RoomId::from(name.0.clone())?)
-                    .await?;
+                let a = user_handle.join_room(RoomId::from(name.0.clone())?).await?;
                 Presence::<()> {
                     to: Some(Jid {
                         name: Some(user.xmpp_name.clone()),
@@ -633,13 +623,13 @@ async fn read_xml_header(
             if &*encoding == b"UTF-8" {
                 Ok(())
             } else {
-                Err(fail(format!("Unsupported encoding: {encoding:?}").as_str()))
+                Err(anyhow!("Unsupported encoding: {encoding:?}"))
             }
         } else {
             // Err(fail("No XML encoding provided"))
             Ok(())
         }
     } else {
-        Err(fail("Expected XML header"))
+        Err(anyhow!("Expected XML header"))
     }
 }

src/main.rs

@@ -1,11 +1,3 @@
-#![feature(
-    generators,
-    generator_trait,
-    type_alias_impl_trait,
-    impl_trait_in_assoc_type
-)]
-
-mod projections;
 mod util;
 
 use std::future::Future;
@@ -26,7 +18,7 @@ use lavina_core::room::RoomRegistry;
 struct ServerConfig {
     telemetry: util::telemetry::ServerConfig,
     irc: projection_irc::ServerConfig,
-    xmpp: projections::xmpp::ServerConfig,
+    xmpp: projection_xmpp::ServerConfig,
     storage: lavina_core::repo::StorageConfig,
 }
 
@@ -64,7 +56,7 @@ async fn main() -> Result<()> {
     let telemetry_terminator =
         util::telemetry::launch(telemetry_config, metrics.clone(), rooms.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?;
+    let xmpp = projection_xmpp::launch(xmpp_config, players.clone(), rooms.clone(), metrics.clone()).await?;
     tracing::info!("Started");
 
     sleep.await;

src/projections/mod.rs

@@ -1,2 +0,0 @@
-//! Protocol projections — implementations of public APIs.
-pub mod xmpp;