refactor: initial implementation of separeted lib and bin

src/globals.rs

@@ -1,120 +0,0 @@
-use crate::{backend::Backends, certs::CryptoSource, constants::*};
-use std::net::SocketAddr;
-use std::sync::{
-  atomic::{AtomicUsize, Ordering},
-  Arc,
-};
-use tokio::time::Duration;
-
-/// Global object containing proxy configurations and shared object like counters.
-/// But note that in Globals, we do not have Mutex and RwLock. It is indeed, the context shared among async tasks.
-pub struct Globals<T>
-where
-  T: CryptoSource,
-{
-  /// Configuration parameters for proxy transport and request handlers
-  pub proxy_config: ProxyConfig, // TODO: proxy configはarcに包んでこいつだけ使いまわせばいいように変えていく。backendsも？
-
-  /// Backend application objects to which http request handler forward incoming requests
-  pub backends: Backends<T>,
-
-  /// Shared context - Counter for serving requests
-  pub request_count: RequestCount,
-
-  /// Shared context - Async task runtime handler
-  pub runtime_handle: tokio::runtime::Handle,
-}
-
-/// Configuration parameters for proxy transport and request handlers
-pub struct ProxyConfig {
-  pub listen_sockets: Vec<SocketAddr>, // when instantiate server
-  pub http_port: Option<u16>,          // when instantiate server
-  pub https_port: Option<u16>,         // when instantiate server
-
-  pub proxy_timeout: Duration,    // when serving requests at Proxy
-  pub upstream_timeout: Duration, // when serving requests at Handler
-
-  pub max_clients: usize,          // when serving requests
-  pub max_concurrent_streams: u32, // when instantiate server
-  pub keepalive: bool,             // when instantiate server
-
-  // experimentals
-  pub sni_consistency: bool, // Handler
-  // All need to make packet acceptor
-  #[cfg(feature = "http3")]
-  pub http3: bool,
-  #[cfg(feature = "http3")]
-  pub h3_alt_svc_max_age: u32,
-  #[cfg(feature = "http3")]
-  pub h3_request_max_body_size: usize,
-  #[cfg(feature = "http3")]
-  pub h3_max_concurrent_bidistream: quinn::VarInt,
-  #[cfg(feature = "http3")]
-  pub h3_max_concurrent_unistream: quinn::VarInt,
-  #[cfg(feature = "http3")]
-  pub h3_max_concurrent_connections: u32,
-  #[cfg(feature = "http3")]
-  pub h3_max_idle_timeout: Option<quinn::IdleTimeout>,
-}
-
-impl Default for ProxyConfig {
-  fn default() -> Self {
-    Self {
-      listen_sockets: Vec::new(),
-      http_port: None,
-      https_port: None,
-
-      // TODO: Reconsider each timeout values
-      proxy_timeout: Duration::from_secs(PROXY_TIMEOUT_SEC),
-      upstream_timeout: Duration::from_secs(UPSTREAM_TIMEOUT_SEC),
-
-      max_clients: MAX_CLIENTS,
-      max_concurrent_streams: MAX_CONCURRENT_STREAMS,
-      keepalive: true,
-
-      sni_consistency: true,
-
-      #[cfg(feature = "http3")]
-      http3: false,
-      #[cfg(feature = "http3")]
-      h3_alt_svc_max_age: H3::ALT_SVC_MAX_AGE,
-      #[cfg(feature = "http3")]
-      h3_request_max_body_size: H3::REQUEST_MAX_BODY_SIZE,
-      #[cfg(feature = "http3")]
-      h3_max_concurrent_connections: H3::MAX_CONCURRENT_CONNECTIONS,
-      #[cfg(feature = "http3")]
-      h3_max_concurrent_bidistream: H3::MAX_CONCURRENT_BIDISTREAM.into(),
-      #[cfg(feature = "http3")]
-      h3_max_concurrent_unistream: H3::MAX_CONCURRENT_UNISTREAM.into(),
-      #[cfg(feature = "http3")]
-      h3_max_idle_timeout: Some(quinn::IdleTimeout::try_from(Duration::from_secs(H3::MAX_IDLE_TIMEOUT)).unwrap()),
-    }
-  }
-}
-
-#[derive(Debug, Clone, Default)]
-/// Counter for serving requests
-pub struct RequestCount(Arc<AtomicUsize>);
-
-impl RequestCount {
-  pub fn current(&self) -> usize {
-    self.0.load(Ordering::Relaxed)
-  }
-
-  pub fn increment(&self) -> usize {
-    self.0.fetch_add(1, Ordering::Relaxed)
-  }
-
-  pub fn decrement(&self) -> usize {
-    let mut count;
-    while {
-      count = self.0.load(Ordering::Relaxed);
-      count > 0
-        && self
-          .0
-          .compare_exchange(count, count - 1, Ordering::Relaxed, Ordering::Relaxed)
-          != Ok(count)
-    } {}
-    count
-  }
-}