From 6af8b165fe8cbab35721a8797ca85cda454a5ff4 Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Mon, 6 Jan 2025 18:54:00 +0100
Subject: new network

---
 server/src/main.rs | 106 ++++++++++++++++-------------------------------------
 1 file changed, 31 insertions(+), 75 deletions(-)

(limited to 'server/src/main.rs')

diff --git a/server/src/main.rs b/server/src/main.rs
index 6b2911f..a8473c6 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -1,18 +1,12 @@
+pub mod network;
+
 use anyhow::Result;
 use clap::Parser;
-use log::{debug, info};
-use std::{
-    collections::HashMap,
-    io::{BufReader, BufWriter, Write},
-    net::{IpAddr, TcpListener, TcpStream},
-    sync::{
-        Arc, Mutex,
-        mpsc::{Receiver, Sender, channel},
-    },
-    thread::spawn,
-};
+use log::warn;
+use network::ServerNetwork;
+use std::net::{IpAddr, SocketAddr};
 use weareshared::{
-    packets::{Packet, ReadWrite},
+    packets::{Data, Packet},
     store::ResourceStore,
     tree::SceneTree,
 };
@@ -26,7 +20,6 @@ struct Args {
 }
 
 struct State {
-    tx: HashMap<usize, Sender<Packet>>,
     store: ResourceStore,
     tree: SceneTree,
 }
@@ -35,101 +28,64 @@ fn main() -> Result<()> {
     env_logger::init_from_env("LOG");
     let args = Args::parse();
 
-    let listener = TcpListener::bind((args.bind_addr, args.port))?;
-    info!("bound to {}", listener.local_addr()?);
-    let state = Arc::new(Mutex::new(State::new()?));
-    for conn in 0.. {
-        let (sock, addr) = listener.accept()?;
-        info!("{addr} connected");
-        let (tx, rx) = channel();
-        let state2 = state.clone();
-        let sock2 = sock.try_clone().unwrap();
-        spawn(move || {
-            for p in state2.lock().unwrap().tree.prime_client() {
-                tx.send(p).unwrap();
-            }
-            state2.lock().unwrap().tx.insert(conn, tx);
-            let _ = handle_conn_read(conn, sock, state2.clone());
-            info!("{addr} disconnected");
-            state2.lock().unwrap().tx.remove(&conn);
-        });
-        spawn(move || {
-            let _ = handle_conn_write(conn, sock2, rx);
-        });
-    }
-    Ok(())
-}
+    let net = ServerNetwork::new(SocketAddr::new(args.bind_addr, args.port))?;
+    let mut state = State::new()?;
 
-fn handle_conn_read(conn: usize, sock: TcpStream, state: Arc<Mutex<State>>) -> Result<()> {
-    let mut sock = BufReader::new(sock);
-    loop {
-        let packet = Packet::read(&mut sock)?;
-        debug!("{conn} <- {packet:?}");
-        state.lock().unwrap().handle_packet(conn, packet)?;
-    }
-}
-fn handle_conn_write(conn: usize, sock: TcpStream, rx: Receiver<Packet>) -> Result<()> {
-    let mut sock = BufWriter::new(sock);
-    for packet in rx {
-        debug!("{conn} -> {packet:?}");
-        packet.write(&mut sock)?;
-        sock.flush()?;
+    while let Ok((conn, packet)) = net.recv.recv() {
+        if let Err(e) = state.handle_packet(conn, packet, &net) {
+            warn!("state handler error: ({conn}) {e}");
+        }
     }
+
     Ok(())
 }
+
 impl State {
     pub fn new() -> Result<Self> {
         Ok(Self {
-            tx: HashMap::new(),
             store: ResourceStore::new_persistent(
                 &xdg::BaseDirectories::with_prefix("weareserver")?.place_cache_file("resources")?,
             )?,
             tree: SceneTree::default(),
         })
     }
-    pub fn broadcast(&self, packet: Packet) -> Result<()> {
-        for tx in self.tx.values() {
-            tx.send(packet.clone())?;
-        }
-        Ok(())
-    }
-    pub fn send(&self, conn: usize, packet: Packet) -> Result<()> {
-        if let Some(tx) = self.tx.get(&conn) {
-            tx.send(packet)?;
-        }
-        Ok(())
-    }
-    pub fn handle_packet(&mut self, conn: usize, packet: Packet) -> Result<()> {
+    pub fn handle_packet(&mut self, conn: u128, packet: Packet, net: &ServerNetwork) -> Result<()> {
         self.tree.update(&packet);
         match packet {
+            Packet::Connect(_) => {
+                for p in self.tree.prime_client() {
+                    net.send(conn, p, true);
+                }
+            }
+            Packet::Disconnect => {}
             Packet::RequestResource(resource) => {
                 if let Some(r) = self.store.get(resource)? {
-                    self.send(conn, Packet::RespondResource(r))?;
+                    net.send(conn, Packet::RespondResource(Data(r)), true);
                 } else {
-                    self.broadcast(Packet::RequestResource(resource))?;
+                    net.broadcast(Packet::RequestResource(resource), true);
                 }
             }
             Packet::RespondResource(data) => {
-                self.store.set(&data)?;
-                self.broadcast(Packet::RespondResource(data))?;
+                self.store.set(&data.0)?;
+                net.broadcast(Packet::RespondResource(data), true);
             }
             Packet::Add(object, resource) => {
-                self.broadcast(Packet::Add(object, resource))?;
+                net.broadcast(Packet::Add(object, resource), true);
             }
             Packet::Remove(object) => {
-                self.broadcast(Packet::Remove(object))?;
+                net.broadcast(Packet::Remove(object), true);
             }
             Packet::Position(object, pos, rot) => {
-                self.broadcast(Packet::Position(object, pos, rot))?;
+                net.broadcast(Packet::Position(object, pos, rot), true);
             }
             Packet::Pose(object, vec) => {
-                self.broadcast(Packet::Pose(object, vec))?;
+                net.broadcast(Packet::Pose(object, vec), true);
             }
             Packet::Parent(parent, child) => {
-                self.broadcast(Packet::Parent(parent, child))?;
+                net.broadcast(Packet::Parent(parent, child), true);
             }
             Packet::Sound(object, vec) => {
-                self.broadcast(Packet::Sound(object, vec))?;
+                net.broadcast(Packet::Sound(object, vec), true);
             }
         }
         Ok(())
-- 
cgit v1.2.3-70-g09d2