Set up CLI flags to manually test 2 servers at once

Cargo.toml

@@ -4,7 +4,6 @@ name = "ptth"
 version = "0.1.0"
 authors = ["Trish"]
 edition = "2018"
-license-file = "COPYING"
 license = "AGPL-3.0"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -23,5 +22,6 @@ regex = "1.4.1"
 reqwest = { version = "0.10.8", features = ["stream"] }
 rmp-serde = "0.14.4"
 serde = {version = "1.0.117", features = ["derive"]}
+structopt = "0.3.20"
 tokio = { version = "0.2.22", features = ["full"] }
 ulid = "0.4.1"

src/bin/server.rs

@@ -1,11 +1,30 @@
-use std::error::Error;
+use std::{
+	error::Error,
+	path::PathBuf,
+};
+
+use structopt::StructOpt;
+
+#[derive (Debug, StructOpt)]
+struct Opt {
+	#[structopt (name = "RELAY_URL")]
+	relay_url: String,
+	
+	#[structopt (name = "SERVER_NAME")]
+	server_name: String,
+	
+	#[structopt (long)]
+	file_server_root: Option <PathBuf>,
+}
 
 #[tokio::main]
 async fn main () -> Result <(), Box <dyn Error>> {
+	let opt = Opt::from_args ();
+	
 	let opt = ptth::server::Opt {
-		relay_url: "http://127.0.0.1:4000".into (),
-		server_name: "alien_wildlands".into (),
-		file_server_root: "/home/user".into (),
+		relay_url: opt.relay_url,
+		server_name: opt.server_name,
+		file_server_root: opt.file_server_root.unwrap_or ("/home/user".into ()),
 	};
 	
 	ptth::server::main (opt).await

todo.md

@@ -1,11 +1,8 @@
-- Parameter for server URL
-- Parameter for static file serve path
-- Parameter for server name
+- Fix possible timing gap when refreshing http_listen
 - Set up tokens or privkeys or tripcodes or something so 
 clients can't trivially impersonate servers
 
 - Prevent directory traversal attacks
-- Fix possible timing gap when refreshing http_listen (Just have client wait a few seconds?)
 - Error handling
 
 - Reverse proxy to other local servers