Replace println/dbg calls with corresponding macros from tracing crate

src/database/abstraction/sqlite.rs

@@ -135,7 +135,6 @@ type TupleOfBytes = (Vec<u8>, Vec<u8>);
 
 impl SqliteTable {
     fn get_with_guard(&self, guard: &Connection, key: &[u8]) -> Result<Option<Vec<u8>>> {
-        //dbg!(&self.name);
         Ok(guard
             .prepare(format!("SELECT value FROM {} WHERE key = ?", self.name).as_str())?
             .query_row([key], |row| row.get(0))
@@ -143,7 +142,6 @@ impl SqliteTable {
     }
 
     fn insert_with_guard(&self, guard: &Connection, key: &[u8], value: &[u8]) -> Result<()> {
-        //dbg!(&self.name);
         guard.execute(
             format!(
                 "INSERT OR REPLACE INTO {} (key, value) VALUES (?, ?)",
@@ -176,10 +174,7 @@ impl SqliteTable {
             statement
                 .query_map([], |row| Ok((row.get_unwrap(0), row.get_unwrap(1))))
                 .unwrap()
-                .map(move |r| {
+                .map(move |r| r.unwrap()),
-                    //dbg!(&name);
-                    r.unwrap()
-                }),
         );
 
         Box::new(PreparedStatementIterator {
@@ -276,10 +271,7 @@ impl KvTree for SqliteTable {
                 statement
                     .query_map([from], |row| Ok((row.get_unwrap(0), row.get_unwrap(1))))
                     .unwrap()
-                    .map(move |r| {
+                    .map(move |r| r.unwrap()),
-                        //dbg!(&name);
-                        r.unwrap()
-                    }),
             );
             Box::new(PreparedStatementIterator {
                 iterator,
@@ -301,10 +293,7 @@ impl KvTree for SqliteTable {
                 statement
                     .query_map([from], |row| Ok((row.get_unwrap(0), row.get_unwrap(1))))
                     .unwrap()
-                    .map(move |r| {
+                    .map(move |r| r.unwrap()),
-                        //dbg!(&name);
-                        r.unwrap()
-                    }),
             );
 
             Box::new(PreparedStatementIterator {

src/database/mod.rs

@@ -258,7 +258,7 @@ impl KeyValueDatabase {
         };
 
         if config.max_request_size < 1024 {
-            eprintln!("ERROR: Max request size is less than 1KB. Please increase it.");
+            error!(?config.max_request_size, "Max request size is less than 1KB. Please increase it.");
         }
 
         let db_raw = Box::new(Self {
@@ -483,7 +483,7 @@ impl KeyValueDatabase {
                         for user in services().rooms.state_cache.room_members(&room?) {
                             let user = user?;
                             if user.server_name() != services().globals.server_name() {
-                                println!("Migration: Creating user {}", user);
+                                info!(?user, "Migration: creating user");
                                 services().users.create(&user, None)?;
                             }
                         }
@@ -545,7 +545,6 @@ impl KeyValueDatabase {
                      current_state: HashSet<_>,
                      last_roomstates: &mut HashMap<_, _>| {
                         counter += 1;
-                        println!("counter: {}", counter);
                         let last_roomsstatehash = last_roomstates.get(current_room);
 
                         let states_parents = last_roomsstatehash.map_or_else(
@@ -742,15 +741,13 @@ impl KeyValueDatabase {
                         new_key.extend_from_slice(word);
                         new_key.push(0xff);
                         new_key.extend_from_slice(pdu_id_count);
-                        println!("old {:?}", key);
-                        println!("new {:?}", new_key);
                         Some((new_key, Vec::new()))
                     })
                     .peekable();
 
                 while iter.peek().is_some() {
                     db.tokenids.insert_batch(&mut iter.by_ref().take(1000))?;
-                    println!("smaller batch done");
+                    debug!("Inserted smaller batch");
                 }
 
                 info!("Deleting starts");
@@ -760,7 +757,6 @@ impl KeyValueDatabase {
                     .iter()
                     .filter_map(|(key, _)| {
                         if key.starts_with(b"!") {
-                            println!("del {:?}", key);
                             Some(key)
                         } else {
                             None
@@ -769,7 +765,6 @@ impl KeyValueDatabase {
                     .collect();
 
                 for key in batch2 {
-                    println!("del");
                     db.tokenids.remove(&key)?;
                 }
 
@@ -945,7 +940,6 @@ impl KeyValueDatabase {
 
         #[cfg(unix)]
         use tokio::signal::unix::{signal, SignalKind};
-        use tracing::info;
 
         use std::time::{Duration, Instant};
 
@@ -961,23 +955,23 @@ impl KeyValueDatabase {
                 #[cfg(unix)]
                 tokio::select! {
                     _ = i.tick() => {
-                        info!("cleanup: Timer ticked");
+                        debug!("cleanup: Timer ticked");
                     }
                     _ = s.recv() => {
-                        info!("cleanup: Received SIGHUP");
+                        debug!("cleanup: Received SIGHUP");
                     }
                 };
                 #[cfg(not(unix))]
                 {
                     i.tick().await;
-                    info!("cleanup: Timer ticked")
+                    debug!("cleanup: Timer ticked")
                 }
 
                 let start = Instant::now();
                 if let Err(e) = services().globals.cleanup() {
                     error!("cleanup: Errored: {}", e);
                 } else {
-                    info!("cleanup: Finished in {:?}", start.elapsed());
+                    debug!("cleanup: Finished in {:?}", start.elapsed());
                 }
             }
         });

src/main.rs

@@ -40,7 +40,7 @@ use tower_http::{
     trace::TraceLayer,
     ServiceBuilderExt as _,
 };
-use tracing::{info, warn};
+use tracing::{error, info, warn};
 use tracing_subscriber::{prelude::*, EnvFilter};
 
 pub use conduit::*; // Re-export everything from the library crate
@@ -68,27 +68,16 @@ async fn main() {
     let config = match raw_config.extract::<Config>() {
         Ok(s) => s,
         Err(e) => {
-            eprintln!("It looks like your config is invalid. The following error occured while parsing it: {}", e);
+            eprintln!(
+                "It looks like your config is invalid. The following error occurred: {}",
+                e
+            );
             std::process::exit(1);
         }
     };
 
     config.warn_deprecated();
 
-    if let Err(e) = KeyValueDatabase::load_or_create(config).await {
-        eprintln!(
-            "The database couldn't be loaded or created. The following error occured: {}",
-            e
-        );
-        std::process::exit(1);
-    };
-
-    let config = &services().globals.config;
-
-    let start = async {
-        run_server().await.unwrap();
-    };
-
     if config.allow_jaeger {
         opentelemetry::global::set_text_map_propagator(opentelemetry_jaeger::Propagator::new());
         let tracer = opentelemetry_jaeger::new_agent_pipeline()
@@ -113,35 +102,44 @@ async fn main() {
             .with(filter_layer)
             .with(telemetry);
         tracing::subscriber::set_global_default(subscriber).unwrap();
-        start.await;
+    } else if config.tracing_flame {
-        println!("exporting remaining spans");
+        let registry = tracing_subscriber::Registry::default();
-        opentelemetry::global::shutdown_tracer_provider();
+        let (flame_layer, _guard) =
+            tracing_flame::FlameLayer::with_file("./tracing.folded").unwrap();
+        let flame_layer = flame_layer.with_empty_samples(false);
+
+        let filter_layer = EnvFilter::new("trace,h2=off");
+
+        let subscriber = registry.with(filter_layer).with(flame_layer);
+        tracing::subscriber::set_global_default(subscriber).unwrap();
     } else {
         let registry = tracing_subscriber::Registry::default();
-        if config.tracing_flame {
+        let fmt_layer = tracing_subscriber::fmt::Layer::new();
-            let (flame_layer, _guard) =
+        let filter_layer = match EnvFilter::try_new(&config.log) {
-                tracing_flame::FlameLayer::with_file("./tracing.folded").unwrap();
+            Ok(s) => s,
-            let flame_layer = flame_layer.with_empty_samples(false);
+            Err(e) => {
-
+                eprintln!("It looks like your config is invalid. The following error occured while parsing it: {}", e);
-            let filter_layer = EnvFilter::new("trace,h2=off");
+                EnvFilter::try_new("warn").unwrap()
-
+            }
-            let subscriber = registry.with(filter_layer).with(flame_layer);
+        };
-            tracing::subscriber::set_global_default(subscriber).unwrap();
-            start.await;
-        } else {
-            let fmt_layer = tracing_subscriber::fmt::Layer::new();
-            let filter_layer = match EnvFilter::try_new(&config.log) {
-                Ok(s) => s,
-                Err(e) => {
-                    eprintln!("It looks like your log config is invalid. The following error occurred: {}", e);
-                    EnvFilter::try_new("warn").unwrap()
-                }
-            };
 
-            let subscriber = registry.with(filter_layer).with(fmt_layer);
+        let subscriber = registry.with(filter_layer).with(fmt_layer);
-            tracing::subscriber::set_global_default(subscriber).unwrap();
+        tracing::subscriber::set_global_default(subscriber).unwrap();
-            start.await;
+    }
-        }
+
+    info!("Loading database");
+    if let Err(error) = KeyValueDatabase::load_or_create(config).await {
+        error!(?error, "The database couldn't be loaded or created");
+
+        std::process::exit(1);
+    };
+    let config = &services().globals.config;
+
+    info!("Starting server");
+    run_server().await.unwrap();
+
+    if config.allow_jaeger {
+        opentelemetry::global::shutdown_tracer_provider();
     }
 }
 

src/service/rooms/auth_chain/mod.rs

@@ -6,7 +6,7 @@ use std::{
 
 pub use data::Data;
 use ruma::{api::client::error::ErrorKind, EventId, RoomId};
-use tracing::log::warn;
+use tracing::{debug, error, warn};
 
 use crate::{services, Error, Result};
 
@@ -88,10 +88,10 @@ impl Service {
                         .rooms
                         .auth_chain
                         .cache_auth_chain(vec![sevent_id], Arc::clone(&auth_chain))?;
-                    println!(
+                    debug!(
-                        "cache missed event {} with auth chain len {}",
+                        event_id = ?event_id,
-                        event_id,
+                        chain_length = ?auth_chain.len(),
-                        auth_chain.len()
+                        "Cache missed event"
                     );
                     chunk_cache.extend(auth_chain.iter());
 
@@ -101,11 +101,11 @@ impl Service {
                     }
                 };
             }
-            println!(
+            debug!(
-                "chunk missed with len {}, event hits2: {}, misses2: {}",
+                chunk_cache_length = ?chunk_cache.len(),
-                chunk_cache.len(),
+                hits = ?hits2,
-                hits2,
+                misses = ?misses2,
-                misses2
+                "Chunk missed",
             );
             let chunk_cache = Arc::new(chunk_cache);
             services()
@@ -115,11 +115,11 @@ impl Service {
             full_auth_chain.extend(chunk_cache.iter());
         }
 
-        println!(
+        debug!(
-            "total: {}, chunk hits: {}, misses: {}",
+            chain_length = ?full_auth_chain.len(),
-            full_auth_chain.len(),
+            hits = ?hits,
-            hits,
+            misses = ?misses,
-            misses
+            "Auth chain stats",
         );
 
         Ok(full_auth_chain
@@ -151,10 +151,10 @@ impl Service {
                     }
                 }
                 Ok(None) => {
-                    warn!("Could not find pdu mentioned in auth events: {}", event_id);
+                    warn!(?event_id, "Could not find pdu mentioned in auth events");
                 }
-                Err(e) => {
+                Err(error) => {
-                    warn!("Could not load event in auth chain: {} {}", event_id, e);
+                    error!(?event_id, ?error, "Could not load event in auth chain");
                 }
             }
         }

src/service/rooms/event_handler/mod.rs

@@ -839,8 +839,8 @@ impl Service {
             info!("Preparing for stateres to derive new room state");
             let mut extremity_sstatehashes = HashMap::new();
 
-            info!("Loading extremities");
+            info!(?extremities, "Loading extremities");
-            for id in dbg!(&extremities) {
+            for id in &extremities {
                 match services().rooms.timeline.get_pdu(id)? {
                     Some(leaf_pdu) => {
                         extremity_sstatehashes.insert(
@@ -1273,7 +1273,6 @@ impl Service {
             // This return value is the key used for sorting events,
             // events are then sorted by power level, time,
             // and lexically by event_id.
-            println!("{}", event_id);
             Ok((
                 int!(0),
                 MilliSecondsSinceUnixEpoch(