Changed threadpool to rusty_pool for a dynamic thread pool

src/main.rs

@@ -4,7 +4,8 @@ use std::sync::Mutex;
 use std::thread;
 
 use openssl::ssl::{SslAcceptor, SslFiletype, SslMethod};
-use threadpool::ThreadPool;
+use rusty_pool;
+use std::time::Duration;
 
 mod database;
 mod http;
@@ -42,7 +43,11 @@ fn main() {
 
     database::init();
 
-    let thread_pool = ThreadPool::new(256);
+    let thread_pool = rusty_pool::Builder::new()
+        .core_size(4)
+        .max_size(1024)
+        .keep_alive(Duration::from_secs(60 * 60))
+        .build();
     let thread_pool_mutex = Arc::new(Mutex::new(thread_pool));
 
     let mut threads = Vec::new();