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a/src/main.rs b/src/main.rs index 8357261..2538876 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,6 +1,44 @@ +use std::env::current_dir; +use std::{env, fs}; +use std::fs::File; +use std::net::{Ipv4Addr, SocketAddrV4}; +use chrono::Local; +use log::info; +use once_cell::sync::Lazy; +use simplelog::{ColorChoice, CombinedLogger, Config, LevelFilter, TerminalMode, TermLogger, WriteLogger}; +use crate::prudp::server::NexServer; + mod endianness; mod prudp; +static AUTH_SERVER_PORT: Lazy = Lazy::new(||{ + env::var("AUTH_SERVER_PORT") + .ok() + .and_then(|s| s.parse().ok()) + .unwrap_or(10000) +}); + + fn main() { - println!("Hello, world!"); + CombinedLogger::init( + vec![ + TermLogger::new(LevelFilter::Info, Config::default(), TerminalMode::Mixed, ColorChoice::Auto), + WriteLogger::new(LevelFilter::Info, Config::default(), { + fs::create_dir_all("log").unwrap(); + File::create(format!("log/{}.log", Local::now().to_rfc2822())).unwrap() + }) + ] + ).unwrap(); + + dotenv::dotenv().ok(); + + info!("starting auth server"); + + let (auth_server, auth_server_join_handle) = + NexServer::new(SocketAddrV4::new(Ipv4Addr::UNSPECIFIED, *AUTH_SERVER_PORT)) + .expect("unable to startauth server"); + + info!("joining auth server"); + + auth_server_join_handle.join().unwrap(); } diff --git a/src/prudp/auth_module.rs b/src/prudp/auth_module.rs index e69de29..230da61 100644 --- a/src/prudp/auth_module.rs +++ b/src/prudp/auth_module.rs @@ -0,0 +1,14 @@ +use std::net::Ipv4Addr; +use rc4::Rc4; + +pub trait AuthModule{ + fn get_auth_key(addr: Ipv4Addr) -> [u8; 32]; +} +/* +struct AuthServerAuthModule; + +impl AuthModule for AuthServerAuthModule{ + fn get_auth_key(addr: Ipv4Addr) -> rc4 { + + } +}*/ \ No newline at end of file diff --git a/src/prudp/mod.rs b/src/prudp/mod.rs index 10f89b9..8e9c2cf 100644 --- a/src/prudp/mod.rs +++ b/src/prudp/mod.rs @@ -1,4 +1,4 @@ pub mod packet; -mod server; +pub mod server; mod endpoint; mod auth_module; \ No newline at end of file diff --git a/src/prudp/server.rs b/src/prudp/server.rs index cd7f904..7090ba5 100644 --- a/src/prudp/server.rs +++ b/src/prudp/server.rs @@ -1,42 +1,89 @@ +use std::{env, io, thread}; +use std::io::Cursor; use std::marker::PhantomData; +use std::net::{Ipv4Addr, SocketAddrV4, UdpSocket}; use std::ops::{Deref, DerefMut}; use std::sync::{Arc, Mutex}; +use std::sync::atomic::{AtomicBool, Ordering}; +use std::thread::JoinHandle; +use once_cell::sync::Lazy; +use log::error; +use crate::prudp::auth_module::AuthModule; use crate::prudp::endpoint::Endpoint; +use crate::prudp::packet::PRUDPPacket; + +static SERVER_DATAGRAMS: Lazy = Lazy::new(||{ + env::var("SERVER_DATAGRAM_COUNT").ok() + .and_then(|s| s.parse().ok()) + .unwrap_or(1) +}); pub struct NexServer{ pub endpoints: Mutex>, + pub running: AtomicBool, + //pub auth_module: Arc _no_outside_construction: PhantomData<()> } impl NexServer{ - fn server_thread_entry(){ - + fn process_prudp_packet(&self, packet: &PRUDPPacket){ + + } + fn process_prudp_packets(&self, addr: Ipv4Addr, udp_message: &[u8]){ + let mut stream = Cursor::new(udp_message); + + while stream.position() as usize != udp_message.len() { + let packet = match PRUDPPacket::new(&mut stream){ + Ok(p) => p, + Err(e) => { + error!("Somebody is fucking with the servers or their connection is bad(from {})", addr); + break; + }, + }; + + + } + } + + fn server_thread_entry(self: Arc, socket: Arc){ + while self.running.load(Ordering::Relaxed) { + // yes we actually allow the max udp to be read lol + let mut msg_buffer = vec![0u8; 65507]; + + let (len, addr) = socket.recv_from(&mut msg_buffer) + .expect("Datagram thread crashed due to unexpected error from recv_from"); + + let current_msg = &msg_buffer[0..len]; + + + } } - pub fn new() -> Arc{ + pub fn new(addr: SocketAddrV4) -> io::Result<(Arc, JoinHandle<()>)>{ let own_impl = NexServer{ endpoints: Default::default(), + running: AtomicBool::new(true), _no_outside_construction: Default::default() }; let arc = Arc::new(own_impl); + + let socket = Arc::new(UdpSocket::bind(addr)?); + + let mut thread = None; + + for _ in 0..*SERVER_DATAGRAMS { + let socket = socket.clone(); + let server= arc.clone(); + thread = Some(thread::spawn(move || { + server.server_thread_entry(socket); + })); + } + + let thread = thread.expect("cannot have less than 1 thread for a server"); + + + Ok((arc, thread)) } } -#[cfg(test)] -mod test{ - use std::ops::Deref; - use std::sync::Arc; - use crate::prudp::server::{NexServer}; - - #[test] - fn test(){ - let server = NexServer::new(); - - let a = (server.deref()).clone(); - - } -} - - -