Added command line parser

src/server.rs

@@ -1,12 +1,37 @@
 extern crate actix;
 extern crate actix_web;
 extern crate webterm;
+extern crate structopt;
+#[macro_use]
+extern crate lazy_static;
 
 use actix_web::{fs::StaticFiles, server, App};
+use structopt::StructOpt;
 use webterm::WebTermExt;
 
 use std::process::Command;
 
+#[derive(StructOpt, Debug)]
+#[structopt(name = "webterm-server")]
+struct Opt {
+    /// The port to listen on
+    #[structopt(short, long, default_value = "8080")]
+    port: u16,
+
+    /// The host or IP to listen on
+    #[structopt(short, long, default_value = "localhost")]
+    host: String,
+
+    /// The command to execute
+    #[structopt(short, long, default_value = "/bin/sh")]
+    command: String,
+}
+
+lazy_static! {
+    static ref OPT: Opt = Opt::from_args();
+}
+
+
 fn main() {
     pretty_env_logger::init();
 
@@ -19,13 +44,13 @@ fn main() {
                     .show_files_listing(),
             )
             .webterm_socket("/websocket", |_req| {
-                let mut cmd = Command::new("/bin/sh");
+                let mut cmd = Command::new(OPT.command.clone());
                 cmd.env("TERM", "xterm");
                 cmd
             })
             .webterm_ui("/", "/websocket", "/static")
     })
-    .bind("127.0.0.1:8080")
+    .bind(format!("{}:{}", OPT.host, OPT.port))
     .unwrap()
     .run();
 }