From 0f40ab89e3b523ac206077d932a0e2d40d75f7e0 Mon Sep 17 00:00:00 2001
From: Tyler Murphy <tylermurphy534@gmail.com>
Date: Fri, 3 Mar 2023 00:10:21 -0500
Subject: finialize initial dns + caching

---
 src/main.rs | 54 ++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 42 insertions(+), 12 deletions(-)

(limited to 'src/main.rs')

diff --git a/src/main.rs b/src/main.rs
index 0b767de..c891d50 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,18 +1,48 @@
-use std::net::SocketAddr;
+use std::{time::{UNIX_EPOCH, SystemTime}, env, net::IpAddr};
 
-use resolver::{DnsResolver, Config};
+use config::Config;
+
+use server::server::Server;
+use tracing::metadata::LevelFilter;
+use tracing_subscriber::{
+    filter::filter_fn, prelude::__tracing_subscriber_SubscriberExt, util::SubscriberInitExt, Layer,
+};
+
+mod config;
+mod packet;
+mod server;
 
 #[tokio::main]
-async fn main () {
-    
-    let config = Config::new();
+async fn main() {
+    tracing_subscriber::registry()
+        .with(
+            tracing_subscriber::fmt::layer()
+                .with_filter(LevelFilter::TRACE)
+                .with_filter(filter_fn(|metadata| {
+                    metadata.target().starts_with("wrapper")
+                })),
+        )
+        .init();
+
+    let mut config = Config::new();
+
+    if let Ok(port) = env::var("PORT").unwrap_or(String::new()).parse::<u16>() {
+        config.set_port(port);
+    }
+
+    if let Ok(fallback) = env::var("FALLBACK_DNS").unwrap_or(String::new()).parse::<IpAddr>() {
+        config.set_fallback_ns(&fallback);
+    }
 
-    let resolver = DnsResolver::new(config);
+    let server = Server::new(config).await.expect("Failed to bind server");
 
-    let addr = "[::]:2000".parse::<SocketAddr>()
-        .expect("Failed to create binding");
-    
-    resolver.bind(addr).await
-        .expect("Failed to start dns server");
+    server.run().await.unwrap();
+}
 
-}
\ No newline at end of file
+pub fn get_time() -> u64 {
+    let start = SystemTime::now();
+    let since_the_epoch = start
+        .duration_since(UNIX_EPOCH)
+        .expect("Time went backwards");
+    since_the_epoch.as_millis() as u64
+}
-- 
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