Add a web server

src/main.rs

@@ -2,9 +2,13 @@
 #[macro_use] extern crate diesel_codegen;
 
 extern crate clap;
+extern crate hyper;
+
+use std::net::{SocketAddr, IpAddr};
 
 mod db;
 mod schema;
+mod site;
 
 fn args<'a>() -> clap::ArgMatches<'a> {
     use clap::{App, Arg};
@@ -13,15 +17,36 @@ fn args<'a>() -> clap::ArgMatches<'a> {
         .about("A wiki engine")
         .arg(Arg::with_name("DATABASE")
             .help("Sets the database file to use")
-            .required(true)
+            .required(true))
-            .index(1))
+        .arg(Arg::with_name("port")
+            .help("Sets the listening port")
+            .short("p")
+            .long("port")
+            .takes_value(true))
         .get_matches()
 }
 
+fn start_server(bind_host: IpAddr, bind_port: u16) -> Result<(), Box<std::error::Error>> {
+    let server =
+        hyper::server::Http::new()
+            .bind(
+                &SocketAddr::new(bind_host, bind_port),
+                || Ok(site::Site {})
+            )?;
+
+    server.run()?;
+
+    Ok(())
+}
+
 fn main() {
     let args = args();
 
     let db_file = args.value_of("DATABASE").expect("Guaranteed by clap");
+    let bind_host = "127.0.0.1".parse().unwrap();
+    let bind_port = args.value_of("port").map(|p| p.parse().expect("Port must be an unsigned integer")).unwrap_or(8080);
 
     let _db_connection = db::connect_database(db_file, true);
+
+    start_server(bind_host, bind_port).unwrap();
 }

src/site.rs

@@ -0,0 +1,18 @@
+extern crate futures;
+
+use hyper;
+use hyper::server::*;
+
+pub struct Site {
+}
+
+impl Service for Site {
+    type Request = Request;
+    type Response = Response;
+    type Error = hyper::Error;
+    type Future = futures::BoxFuture<Response, Self::Error>;
+
+    fn call(&self, _req: Request) -> Self::Future {
+        unimplemented!()
+    }
+}