Moved args into a separate module

src/args/mod.rs

@@ -0,0 +1,45 @@
+use clap::{App, Arg};
+
+use VERSION;
+use DEFAULT_HOST;
+use DEFAULT_PORT_STR;
+use DEFAULT_WORKERS_STR;
+
+pub mod parse;
+
+pub fn get_app() -> App<'static, 'static> {
+    App::new("Dynamic DNS Server")
+        .version(VERSION)
+        .author("Drew Short <warrick@sothr.com>")
+        .about("Receive DDNS requests and update associated cloudflare subdomains")
+        .args(&[
+            Arg::with_name("config")
+                .short("c")
+                .long("config")
+                .value_name("PATH")
+                .default_value("/etc/rsddns/rsddns.yml")
+                .help("Set a custom configuration file path.")
+                .takes_value(true),
+            Arg::with_name("host")
+                .short("h")
+                .long("host")
+                .value_name("HOST")
+                .default_value(&DEFAULT_HOST)
+                .help("The address the server listens on.")
+                .takes_value(true),
+            Arg::with_name("port")
+                .short("p")
+                .long("port")
+                .value_name("PORT")
+                .default_value(&DEFAULT_PORT_STR)
+                .help("The port to run the server on.")
+                .takes_value(true),
+            Arg::with_name("workers")
+                .short("w")
+                .long("workers")
+                .value_name("NUMBER")
+                .default_value(&DEFAULT_WORKERS_STR)
+                .help("The number of workers to serve requests with.")
+                .takes_value(true),
+        ])
+}

src/main.rs

@@ -13,8 +13,6 @@ extern crate serde;
 extern crate serde_derive;
 extern crate serde_yaml;
 
-use clap::{App, Arg};
-
 mod args;
 mod config;
 mod server;
@@ -37,41 +35,7 @@ fn main() {
     }
     env_logger::init();
 
-    let args = App::new("Dynamic DNS Server")
-        .version(VERSION)
-        .author("Drew Short <warrick@sothr.com>")
-        .about("Receive DDNS requests and update associated cloudflare subdomains")
-        .args(&[
-            Arg::with_name("config")
-                .short("c")
-                .long("config")
-                .value_name("PATH")
-                .default_value("/etc/rsddns/rsddns.yml")
-                .help("Set a custom configuration file path.")
-                .takes_value(true),
-            Arg::with_name("host")
-                .short("h")
-                .long("host")
-                .value_name("HOST")
-                .default_value(&DEFAULT_HOST)
-                .help("The address the server listens on.")
-                .takes_value(true),
-            Arg::with_name("port")
-                .short("p")
-                .long("port")
-                .value_name("PORT")
-                .default_value(&DEFAULT_PORT_STR)
-                .help("The port to run the server on.")
-                .takes_value(true),
-            Arg::with_name("workers")
-                .short("w")
-                .long("workers")
-                .value_name("NUMBER")
-                .default_value(&DEFAULT_WORKERS_STR)
-                .help("The number of workers to serve requests with.")
-                .takes_value(true),
-        ])
-        .get_matches();
+    let args = args::get_app().get_matches();
 
     let config_path: &str = args.value_of("config").unwrap_or("/etc/rsddns/rsddns.yml");
     let config = match config::load::read(config_path) {
@@ -85,12 +49,12 @@ fn main() {
         }
     };
 
-    let host = args::get_host(&args, &config, DEFAULT_HOST);
-    let port = args::get_port(&args, &config, DEFAULT_PORT);
-    let workers = args::get_workers(&args, &config, *DEFAULT_WORKERS);
+    let host = args::parse::get_host(&args, &config, DEFAULT_HOST);
+    let port = args::parse::get_port(&args, &config, DEFAULT_PORT);
+    let workers = args::parse::get_workers(&args, &config, *DEFAULT_WORKERS);
 
     info!(
-        "Starting server on {}:{} with workers={} and config {}",
+        "Starting server on {}:{} with workers={} and config \"{}\"",
         host, port, workers, config_path
     );