feat: very unstalbe implementation of initial file cache

rpxy-bin/Cargo.toml

@@ -12,27 +12,28 @@ publish = false
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [features]
-default = ["http3-quinn"]
+default = ["http3-quinn", "cache"]
 http3-quinn = ["rpxy-lib/http3-quinn"]
 http3-s2n = ["rpxy-lib/http3-s2n"]
+cache = []
 
 [dependencies]
 rpxy-lib = { path = "../rpxy-lib/", default-features = false, features = [
   "sticky-cookie",
 ] }
 
-anyhow = "1.0.72"
+anyhow = "1.0.73"
 rustc-hash = "1.1.0"
 serde = { version = "1.0.183", default-features = false, features = ["derive"] }
 derive_builder = "0.12.0"
-tokio = { version = "1.29.1", default-features = false, features = [
+tokio = { version = "1.31.0", default-features = false, features = [
   "net",
   "rt-multi-thread",
   "time",
   "sync",
   "macros",
 ] }
-async-trait = "0.1.72"
+async-trait = "0.1.73"
 rustls-pemfile = "1.0.3"
 
 # config

rpxy-bin/src/config/toml.rs

@@ -6,7 +6,7 @@ use crate::{
 use rpxy_lib::{reexports::Uri, AppConfig, ProxyConfig, ReverseProxyConfig, TlsConfig, UpstreamUri};
 use rustc_hash::FxHashMap as HashMap;
 use serde::Deserialize;
-use std::{fs, net::SocketAddr};
+use std::{fs, net::SocketAddr, path::PathBuf};
 
 #[derive(Deserialize, Debug, Default, PartialEq, Eq, Clone)]
 pub struct ConfigToml {
@@ -32,10 +32,17 @@ pub struct Http3Option {
   pub max_idle_timeout: Option<u64>,
 }
 
+#[cfg(feature = "cache")]
+#[derive(Deserialize, Debug, Default, PartialEq, Eq, Clone)]
+pub struct CacheOption {
+  pub cache_dir: Option<String>,
+}
+
 #[derive(Deserialize, Debug, Default, PartialEq, Eq, Clone)]
 pub struct Experimental {
   #[cfg(any(feature = "http3-quinn", feature = "http3-s2n"))]
   pub h3: Option<Http3Option>,
+  pub cache: Option<CacheOption>,
   pub ignore_sni_consistency: Option<bool>,
 }
 
@@ -160,6 +167,14 @@ impl TryInto<ProxyConfig> for &ConfigToml {
       if let Some(ignore) = exp.ignore_sni_consistency {
         proxy_config.sni_consistency = !ignore;
       }
+
+      if let Some(cache_option) = &exp.cache {
+        proxy_config.cache_enabled = true;
+        proxy_config.cache_dir = match &cache_option.cache_dir {
+          Some(cache_dir) => Some(PathBuf::from(cache_dir)),
+          None => Some(PathBuf::from(CACHE_DIR)),
+        }
+      }
     }
 
     Ok(proxy_config)

rpxy-bin/src/constants.rs

@@ -1,3 +1,4 @@
 pub const LISTEN_ADDRESSES_V4: &[&str] = &["0.0.0.0"];
 pub const LISTEN_ADDRESSES_V6: &[&str] = &["[::]"];
 pub const CONFIG_WATCH_DELAY_SECS: u32 = 20;
+pub const CACHE_DIR: &str = "./cache";