add `--name` so caller program can provide name

crates/ptth_server/src/bin/ptth_server.rs

@@ -8,7 +8,6 @@ use structopt::StructOpt;
 use tokio::runtime;
 
 use ptth_server::{
-	ConfigFile,
 	load_toml,
 	run_server,
 };
@@ -18,23 +17,46 @@ struct Opt {
 	//#[structopt (long)]
 	//file_server_root: Option <PathBuf>,
 	
-	#[structopt (long)]
-	config_path: Option <PathBuf>,
-	
 	#[structopt (long)]
 	asset_root: Option <PathBuf>,
 	
+	#[structopt (long)]
+	config_path: Option <PathBuf>,
+	
+	#[structopt (long)]
+	name: Option <String>,
+	
 	#[structopt (long)]
 	print_tripcode: bool,
+	
+	#[structopt (long)]
+	relay_url: Option <String>,
+}
+
+#[derive (Default, serde::Deserialize)]
+pub struct ConfigFile {
+	pub name: Option <String>,
+	pub api_key: String,
+	pub relay_url: Option <String>,
+	pub file_server_root: Option <PathBuf>,
 }
 
 fn main () -> Result <(), anyhow::Error> {
-	let opt = Opt::from_args ();
-	
 	tracing_subscriber::fmt::init ();
+	
+	let opt = Opt::from_args ();
+	let asset_root = opt.asset_root;
+	
 	let path = opt.config_path.clone ().unwrap_or_else (|| PathBuf::from ("./config/ptth_server.toml"));
 	let config_file: ConfigFile = load_toml::load (&path)?;
 	
+	let config_file = ptth_server::ConfigFile {
+		name: opt.name.or (config_file.name).expect ("`name` must be provided in command line or config file"),
+		api_key: config_file.api_key,
+		relay_url: opt.relay_url.or (config_file.relay_url).expect ("`relay_url` must be provided in command line of config file"),
+		file_server_root: config_file.file_server_root,
+	};
+	
 	if opt.print_tripcode {
 		println! (r#"name = "{}""#, config_file.name);
 		println! (r#"tripcode = "{}""#, config_file.tripcode ());
@@ -48,7 +70,7 @@ fn main () -> Result <(), anyhow::Error> {
 			config_file, 
 			ptth_core::graceful_shutdown::init (),
 			Some (path),
-			opt.asset_root
+			asset_root
 		).await
 	})?;
 	

crates/ptth_server/src/lib.rs

@@ -15,7 +15,6 @@ use std::{
 
 use futures::FutureExt;
 use reqwest::Client;
-use serde::Deserialize;
 use tokio::{
 	sync::{
 		oneshot,
@@ -146,7 +145,11 @@ async fn handle_req_resp (
 	Ok (())
 }
 
-#[derive (Default, Deserialize)]
+// A complete config file. The bin frontend is allowed to use a different
+// type to load an incomplete file, as long as the command line options
+// complete it.
+
+#[derive (Default)]
 pub struct ConfigFile {
 	pub name: String,
 	pub api_key: String,