Rename reqwest clients, mention cheap client clones in comment

src/appservice_server.rs

@@ -46,7 +46,7 @@ where
     *reqwest_request.timeout_mut() = Some(Duration::from_secs(30));
 
     let url = reqwest_request.url().clone();
-    let mut response = globals.reqwest_client().execute(reqwest_request).await?;
+    let mut response = globals.default_client().execute(reqwest_request).await?;
 
     // reqwest::Response -> http::Response conversion
     let status = response.status();

src/database/globals.rs

@@ -39,8 +39,8 @@ pub struct Globals {
     keypair: Arc<ruma::signatures::Ed25519KeyPair>,
     dns_resolver: TokioAsyncResolver,
     jwt_decoding_key: Option<jsonwebtoken::DecodingKey<'static>>,
-    well_known_client: reqwest::Client,
-    basic_client: reqwest::Client,
+    federation_client: reqwest::Client,
+    default_client: reqwest::Client,
     pub(super) server_signingkeys: Arc<dyn Tree>,
     pub bad_event_ratelimiter: Arc<RwLock<HashMap<Box<EventId>, RateLimitState>>>,
     pub bad_signature_ratelimiter: Arc<RwLock<HashMap<Vec<String>, RateLimitState>>>,
@@ -134,9 +134,9 @@ impl Globals {
             .as_ref()
             .map(|secret| jsonwebtoken::DecodingKey::from_secret(secret.as_bytes()).into_static());
 
-        let basic_client = reqwest_client_builder(&config)?.build()?;
+        let default_client = reqwest_client_builder(&config)?.build()?;
         let name_override = Arc::clone(&tls_name_override);
-        let well_known_client = reqwest_client_builder(&config)?
+        let federation_client = reqwest_client_builder(&config)?
             .resolve_fn(move |domain| {
                 let read_guard = name_override.read().unwrap();
                 let (override_name, port) = read_guard.get(&domain)?;
@@ -154,8 +154,8 @@ impl Globals {
             })?,
             actual_destination_cache: Arc::new(RwLock::new(WellKnownMap::new())),
             tls_name_override,
-            well_known_client,
-            basic_client,
+            federation_client,
+            default_client,
             server_signingkeys,
             jwt_decoding_key,
             bad_event_ratelimiter: Arc::new(RwLock::new(HashMap::new())),
@@ -179,15 +179,15 @@ impl Globals {
     }
 
     /// Returns a reqwest client which can be used to send requests
-    pub fn reqwest_client(&self) -> reqwest::Client {
-        // can't return &Client or else we'll hold a lock around the DB across an await
-        self.basic_client.clone()
+    pub fn default_client(&self) -> reqwest::Client {
+        // Client is cheap to clone (Arc wrapper) and avoids lifetime issues
+        self.default_client.clone()
     }
 
     /// Returns a client used for resolving .well-knowns
-    pub fn well_known_client(&self) -> reqwest::Client {
-        // can't return &Client or else we'll hold a lock around the DB across an await
-        self.well_known_client.clone()
+    pub fn federation_client(&self) -> reqwest::Client {
+        // Client is cheap to clone (Arc wrapper) and avoids lifetime issues
+        self.federation_client.clone()
     }
 
     #[tracing::instrument(skip(self))]

src/database/pusher.rs

@@ -115,7 +115,7 @@ where
     //*reqwest_request.timeout_mut() = Some(Duration::from_secs(5));
 
     let url = reqwest_request.url().clone();
-    let response = globals.reqwest_client().execute(reqwest_request).await;
+    let response = globals.default_client().execute(reqwest_request).await;
 
     match response {
         Ok(mut response) => {

src/server_server.rs

@@ -237,7 +237,7 @@ where
 
     let url = reqwest_request.url().clone();
 
-    let response = globals.well_known_client().execute(reqwest_request).await;
+    let response = globals.federation_client().execute(reqwest_request).await;
 
     match response {
         Ok(mut response) => {
@@ -477,7 +477,7 @@ async fn request_well_known(
 ) -> Option<String> {
     let body: serde_json::Value = serde_json::from_str(
         &globals
-            .reqwest_client()
+            .default_client()
             .get(&format!(
                 "https://{}/.well-known/matrix/server",
                 destination