comment why tls is slow

Cargo.lock

@@ -2,9 +2,9 @@
 # It is not intended for manual editing.
 [[package]]
 name = "actix-codec"
-version = "0.4.0-beta.1"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90673465c6187bd0829116b02be465dc0195a74d7719f76ffff0effef934a92e"
+checksum = "1d5dbeb2d9e51344cb83ca7cc170f1217f9fe25bfc50160e6e200b5c31c1019a"
 dependencies = [
  "bitflags",
  "bytes",

Cargo.toml

@@ -8,6 +8,11 @@ include = ["src/**/*", "db_queries", "LICENSE", "README.md"]
 description = "A MangaDex@Home implementation in Rust."
 repository = "https://github.com/edward-shen/mangadex-home-rs"
 
+[profile.release]
+lto = true
+codegen-units = 1
+debug = 1
+
 [dependencies]
 actix-web = { version = "4.0.0-beta.4", features = [ "rustls" ] }
 async-trait = "0.1"
@@ -35,8 +40,3 @@ tokio = { version = "1", features = [ "full", "parking_lot" ] }
 tokio-stream = { version = "0.1", features = [ "sync" ] }
 tokio-util = { version = "0.6", features = [ "codec" ] }
 url = { version = "2", features = [ "serde" ] }
-
-[profile.release]
-lto = true
-codegen-units = 1
-debug = 1

src/cache/disk_cache.rs

@@ -175,7 +175,6 @@ impl Cache for DiskCache {
         &self,
         key: &CacheKey,
     ) -> Option<Result<(CacheStream, ImageMetadata), CacheError>> {
-        coz::scope!("disk cache get");
         let channel = self.db_update_channel_sender.clone();
 
         let path = Arc::new(self.disk_path.clone().join(PathBuf::from(key)));

src/main.rs

@@ -145,6 +145,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     })
     .shutdown_timeout(60)
     .bind_rustls(format!("0.0.0.0:{}", port), tls_config)?
+    // .bind(format!("0.0.0.0:{}", port))?
     .run()
     .await?;
 

src/routes.rs

@@ -64,7 +64,6 @@ async fn token_data(
             return ServerResponse::TokenValidationError(e);
         }
     }
-    coz::progress!();
     fetch_image(state, cache, chapter_hash, file_name, false).await
 }
 

src/state.rs

@@ -6,7 +6,7 @@ use crate::ping::{Request, Response, Tls, CONTROL_CENTER_PING_URL};
 use log::{error, info, warn};
 use parking_lot::RwLock;
 use rustls::sign::CertifiedKey;
-use rustls::ResolvesServerCert;
+use rustls::{ClientHello, ResolvesServerCert};
 use sodiumoxide::crypto::box_::PrecomputedKey;
 use thiserror::Error;
 use url::Url;
@@ -126,7 +126,9 @@ impl ServerState {
 pub struct RwLockServerState(pub RwLock<ServerState>);
 
 impl ResolvesServerCert for RwLockServerState {
-    fn resolve(&self, _: rustls::ClientHello) -> Option<CertifiedKey> {
+    fn resolve(&self, _: ClientHello) -> Option<CertifiedKey> {
+        // TODO: wait for actix-web to use a new version of rustls so we can
+        // remove cloning the certs all the time
         let read_guard = self.0.read();
         Some(CertifiedKey {
             cert: read_guard.tls_config.certs.clone(),