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Ok(socket) => return Ok(socket), + Err(_) => continue, // Retry on error + } + } + })() + .expect("Failed to bind to any available port"); + } + Ok(()) } diff --git a/src/lib.rs b/src/lib.rs index e69de29..cf70bd8 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -0,0 +1,9 @@ +pub const SERVER_PORT: u16 = 3543; +pub const BUFFER_SIZE: usize = 65535; +pub const DEFAULT_TIMEOUT: u64 = 30; +pub const VERSION: &str = "v0.1"; + +pub enum ServerMetods { + REGISTER, + GET, +} diff --git a/src/server/main.rs b/src/server/main.rs index e7a11a9..7aa2cf9 100644 --- a/src/server/main.rs +++ b/src/server/main.rs @@ -1,3 +1,35 @@ -fn main() { - println!("Hello, world!"); +mod net; +use std::{net::UdpSocket, process::exit, sync::Arc}; +fn main() -> std::io::Result<()> { + { + let socket: Arc = Arc::new( + (|| -> std::io::Result { + let listen_port: u16 = 60000; + match UdpSocket::bind(format!("0.0.0.0:{}", listen_port)) { + Ok(socket) => return Ok(socket), + Err(e) => return Err(e), + } + })() + .expect("Failed to bind to any available port"), + ); + + let mut buf: [u8; pea_2_pea::BUFFER_SIZE] = [0; pea_2_pea::BUFFER_SIZE]; + smol::block_on(async { + loop { + match socket.recv_from(&mut buf) { + Ok((data_length, src)) => { + smol::spawn(net::handle_request(buf, socket.clone(), src, data_length)) + .detach(); + } + Err(e) => { + eprintln!("Error receiving data: {}", e); + exit(-4); + } + } + } + }); + + // socket.send_to(&buf, &src)?; + } // the socket is closed here + Ok(()) } diff --git a/src/server/net.rs b/src/server/net.rs new file mode 100644 index 0000000..492eec2 --- /dev/null +++ b/src/server/net.rs @@ -0,0 +1,9 @@ +pub async fn handle_request( + mut buf: [u8; pea_2_pea::BUFFER_SIZE], + socket: std::sync::Arc, + src: core::net::SocketAddr, + data_len: usize, +) { + #[cfg(target_endian = "little")] + buf.reverse(); +}