Support systemd only on unix

[valheim_web.git] / backend / src / main.rs

diff --git a/backend/src/main.rs b/backend/src/main.rs
index a711427..03963c1 100644 (file)
--- a/backend/src/main.rs
+++ b/backend/src/main.rs
@@ -1,16 +1,13 @@
-
-extern crate listenfd;
 extern crate askama;
 
-// use futures::sink::With;
-use listenfd::ListenFd;
+use std::{ sync::Mutex, env::args, fs::File, io::prelude::* };
+
 use actix_files as fs;
 use actix_web::{ get, web, Responder, middleware, App, HttpServer };
 use askama::Template;
-
-use std::{ sync::Mutex, env::args, fs::File, io::prelude::* };
 use ron::{ de::from_reader, ser::{ to_string_pretty, PrettyConfig } };
 use serde::{ Deserialize, Serialize };
+use cached::proc_macro::cached;
 
 mod consts;
 mod tests;
@@ -23,27 +20,34 @@ struct MainTemplate {
     memory: String,
     load_average: String,
     uptime: String,
-    world_size: String
+    world_size: String,
+    nb_of_players: u32,
 }
 
 const VALUE_UNKNOWN: &str = "-";
 
+#[cached(size = 1, time = 10)]
+fn get_valheim_executable_information_cached(world_path: String) -> Option<valheim_controller::ValheimExe> {
+    valheim_controller::get_valheim_executable_information(&world_path)
+}
+
 #[get("/")]
 async fn main_page(config_shared: web::Data<Mutex<Config>>) -> impl Responder {
     let config = config_shared.lock().unwrap();
 
-    match valheim_controller::get_valheim_executable_information(&config.world_path) {
+    match get_valheim_executable_information_cached(config.world_path.clone()) {
         Some(info) =>
             MainTemplate {
                 text_status: String::from("Valheim server is up and running :)"),
                 memory: info.format_memory(),
                 load_average: info.format_load_average(),
                 uptime: info.format_uptime(),
-                world_size: info.format_world_size()
+                world_size: info.format_world_size(),
+                nb_of_players: info.get_nb_of_player()
             },
         None => {
             let value_unknown = String::from(VALUE_UNKNOWN);
-            MainTemplate { text_status: String::from("Valheim server is down :("), memory: value_unknown.clone(), load_average: value_unknown.clone(), uptime: value_unknown.clone(), world_size: value_unknown.clone() }
+            MainTemplate { text_status: String::from("Valheim server is down :("), memory: value_unknown.clone(), load_average: value_unknown.clone(), uptime: value_unknown.clone(), world_size: value_unknown.clone(), nb_of_players: 0 }
         }
     }
 }
@@ -55,7 +59,7 @@ struct Config {
     world_path: String,
 }
 
-fn empty_string() -> String { "".to_string() }
+fn empty_string() -> String { "".to_owned() }
 
 impl Config {
     fn default() -> Self {
@@ -95,8 +99,7 @@ async fn main() -> std::io::Result<()> {
 
     let config_shared = web::Data::new(Mutex::new(config));
 
-    let mut listenfd = ListenFd::from_env();
-    let mut server =
+    let server =
         HttpServer::new(
             move || {
                 App::new()
@@ -106,14 +109,9 @@ async fn main() -> std::io::Result<()> {
                     .service(main_page)
                     .service(fs::Files::new("/static", "static").show_files_listing())
             }
-        );
-
-    server =
-        if let Some(l) = listenfd.take_tcp_listener(0).unwrap() {
-            server.listen(l).unwrap()
-        } else {
-            server.bind(&format!("0.0.0.0:{}", port)).unwrap()
-        };
+        )
+        .bind(&format!("0.0.0.0:{}", port))
+        .unwrap();
 
     server.run().await
 }