Replace static to const value

Cargo.toml

@@ -11,6 +11,7 @@ axum = { version = "0.7", default-features = false, features = ["http1", "matche
 bytes = "1.5"
 chrono = "0.4"
 clap = { version = "4.5", features = ["derive", "wrap_help"] }
+const_format = "0.2.32"
 filesize = "0.2"
 filetime = "0.2"
 futures = "0.3"
@@ -22,7 +23,6 @@ hyper-util = { version = "0.1", features = ["tokio"] }
 inquire = "0.7"
 log = { version = "0.4", features = ["std"] }
 mime = "0.3"
-once_cell = "1.19"
 openssl = { version = "*", features = ["vendored"] }
 parking_lot = { version = "0.12", features = ["hardware-lock-elision", "deadlock_detection"] }
 pin-project-lite = "0.2"

src/gallery_downloader.rs

@@ -23,7 +23,7 @@ use crate::{error::Error, rpc::RPCClient, util};
 
 type BoxError = Box<dyn std::error::Error + Send + Sync>;
 
-static MAX_DOWNLOAD_TASK: u32 = 4;
+const MAX_DOWNLOAD_TASK: u32 = 4;
 
 pub struct GalleryDownloader {
     client: Arc<RPCClient>,

src/main.rs

@@ -53,9 +53,9 @@ static ALLOC: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;
 #[no_mangle]
 pub static mut malloc_conf: *const u8 = b"percpu_arena:phycpu,tcache:false,dirty_decay_ms:1000,muzzy_decay_ms:0\0".as_ptr();
 
-static VERSION : &str = concat!(env!("CARGO_PKG_VERSION"), "-", env!("VERGEN_GIT_SHA"));
-pub static CLIENT_VERSION: &str = "1.6.2";
-static MAX_KEY_TIME_DRIFT: RangeInclusive<i64> = -300..=300;
+const VERSION : &str = concat!(env!("CARGO_PKG_VERSION"), "-", env!("VERGEN_GIT_SHA"));
+pub const CLIENT_VERSION: &str = "1.6.2";
+const MAX_KEY_TIME_DRIFT: RangeInclusive<i64> = -300..=300;
 
 #[derive(Parser)]
 #[command(version = VERSION)]

src/middleware/mod.rs

@@ -13,16 +13,15 @@ use axum::{
     response::Response,
     Router,
 };
-use once_cell::sync::Lazy;
+use const_format::concatcp;
 use tower::{timeout::TimeoutLayer, ServiceBuilder};
 
 use crate::{AppState, CLIENT_VERSION};
 
 use self::connection_counter::ConnectionCounter;
 use self::logger::Logger;
 
-static SERVER_HEADER: Lazy<HeaderValue> =
-    Lazy::new(|| HeaderValue::from_maybe_shared(format!("Genetic Lifeform and Distributed Open Server {CLIENT_VERSION}")).unwrap());
+static SERVER_HEADER: HeaderValue = HeaderValue::from_static(concatcp!("Genetic Lifeform and Distributed Open Server ", CLIENT_VERSION));
 
 pub fn register_layer(router: Router<Arc<AppState>>, data: &AppState) -> Router<Arc<AppState>> {
     router

src/rpc_http_client.rs

@@ -9,6 +9,7 @@ use std::{
 };
 
 use bytes::Bytes;
+use const_format::concatcp;
 use http_body_util::{BodyExt, Collected, Empty};
 use hyper::{body::Incoming, client::conn::http1::handshake, http::Error as HttpError, Request, Response};
 use hyper_util::rt::TokioIo;
@@ -163,7 +164,7 @@ async fn create_stream(server: &str) -> Result<TokioIo<TcpStream>, IoError> {
 fn build_request(url: &Url) -> Result<Request<Empty<Bytes>>, HttpError> {
     Request::builder()
         .header("Host", url.host_str().unwrap())
-        .header("User-Agent", format!("Hentai@Home {CLIENT_VERSION}"))
+        .header("User-Agent", concatcp!("Hentai@Home ",CLIENT_VERSION))
         .uri(url.as_str())
         .body(Empty::<Bytes>::new())
 }

src/util.rs

@@ -1,5 +1,6 @@
 use std::time::Duration;
 
+use const_format::concatcp;
 use futures::future::try_join_all;
 use openssl::sha::Sha1;
 use reqwest::Proxy;
@@ -15,7 +16,7 @@ pub fn string_to_hash(str: String) -> String {
 
 pub fn create_http_client(timeout: Duration, proxy: Option<Proxy>) -> reqwest::Client {
     let mut builder = reqwest::ClientBuilder::new()
-        .user_agent(format!("Hentai@Home {CLIENT_VERSION}"))
+        .user_agent(concatcp!("Hentai@Home ", CLIENT_VERSION))
         .tcp_keepalive(Duration::from_secs(75)) // Linux default keepalive inverval
         .connect_timeout(Duration::from_secs(5))
         .timeout(timeout)