feat: add server cli configuration

server/src/config.rs

@@ -0,0 +1,28 @@
+use std::net::{IpAddr, Ipv4Addr, SocketAddr};
+use std::path::PathBuf;
+use clap::Parser;
+
+const LOCAL_IPV4: IpAddr = IpAddr::V4(Ipv4Addr::LOCALHOST);
+
+#[derive(Debug, Parser)]
+#[command(author, version, about)]
+pub struct Configuration {
+    #[arg(short, long, default_value_t = LOCAL_IPV4, help = "IP address for the server to listen on")]
+    address: IpAddr,
+    #[arg(short, long, default_value = "5432", help = "Port for the server to listen on")]
+    port: u16,
+    #[arg(short, long, help = "Path to the data file")]
+    file: PathBuf,
+}
+
+impl Configuration {
+    #[inline]
+    pub fn get_socket_address(&self) -> SocketAddr {
+        SocketAddr::new(self.address, self.port)
+    }
+
+    #[inline]
+    pub fn get_file_path(&self) -> &PathBuf {
+        &self.file
+    }
+}

server/src/main.rs

@@ -1,3 +1,7 @@
+mod config;
+
+use std::net::SocketAddr;
+use clap::Parser;
 use proto::handshake::response::HandshakeResponse;
 use proto::handshake::server::do_server_handshake;
 use proto::message::backend::{
@@ -11,10 +15,13 @@ use proto::writer::backend::BackendProtoWriter;
 use proto::writer::protowriter::{ProtoFlush, ProtoWriter};
 use tokio::io::{BufReader, BufWriter};
 use tokio::net::{TcpListener, TcpStream};
+use crate::config::Configuration;
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
-    let addr = "0.0.0.0:5432";
+    let config = Configuration::parse();
+
+    let addr = config.get_socket_address();
     let listener = TcpListener::bind(&addr).await?;
     println!("Server started at {addr}");