ptth_server v2.1.0 will allow custom servers with a user-supplied request handler

Cargo.lock

@@ -1575,7 +1575,7 @@ dependencies = [
 
 [[package]]
 name = "ptth_server"
-version = "2.0.0"
+version = "2.1.0"
 dependencies = [
  "aho-corasick",
  "always_equal",

crates/ptth_server/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 
 name = "ptth_server"
-version = "2.0.0"
+version = "2.1.0"
 authors = ["Trish"]
 edition = "2018"
 license = "AGPL-3.0"

crates/ptth_server/src/bin/ptth_server_custom.rs

@@ -0,0 +1,49 @@
+#[tokio::main]
+async fn main () -> anyhow::Result <()> {
+	use std::{
+		fs,
+		sync::Arc,
+	};
+	
+	use ptth_core::{
+		graceful_shutdown,
+		http_serde::{
+			RequestParts,
+			Response,
+		},
+	};
+	use ptth_server::{
+		Builder,
+		State,
+	};
+	
+	let api_key = fs::read_to_string ("config/ptth_server_custom_key.txt")?
+	.trim_end ()
+	.to_string ();
+	
+	let state = Builder::new (
+		"ptth_server_custom".to_string (), 
+		"http://127.0.0.1:4000/7ZSFUKGV".to_string ()
+	)
+	.api_key (api_key)
+	.build ()?;
+	
+	let state = Arc::new (state);
+	
+	let mut spawn_handler = || {
+		|req: RequestParts| async move {
+			let mut resp = Response::default ();
+			resp.body_bytes (req.uri.as_bytes ().to_vec ());
+			
+			Ok (resp)
+		}
+	};
+	
+	State::run (
+		&state,
+		graceful_shutdown::init (),
+		&mut spawn_handler,
+	).await?;
+	
+	Ok (())
+}

crates/ptth_server/src/lib.rs

@@ -72,7 +72,7 @@ pub mod load_toml;
 
 use errors::ServerError;
 
-struct State {
+pub struct State {
 	file_server: file_server::FileServer,
 	config: Config,
 	client: Client,
@@ -145,15 +145,15 @@ async fn handle_one_req (
 	Ok::<(), ServerError> (())
 }
 
-async fn handle_requests <F, F2, H> (
+async fn handle_requests <F, H, SH> (
 	state: &Arc <State>,
 	req_resp: reqwest::Response,
-	mut spawn_handler: H,
+	spawn_handler: &mut SH,
 ) -> Result <(), ServerError>
 where 
 F: Send + Future <Output = anyhow::Result <http_serde::Response>>,
-F2: Send + 'static + FnOnce (http_serde::RequestParts) -> F,
+H: Send + 'static + FnOnce (http_serde::RequestParts) -> F,
-H: Send + FnMut () -> F2
+SH: Send + FnMut () -> H
 {
 	//println! ("Step 1");
 	
@@ -253,7 +253,46 @@ pub struct Config {
 	pub throttle_upload: bool,
 }
 
-/// Runs a PTTH file server
+pub struct Builder {
+	config_file: ConfigFile,
+	hidden_path: Option <PathBuf>,
+	asset_root: Option <PathBuf>,
+}
+
+impl Builder {
+	pub fn new (
+		name: String,
+		relay_url: String,
+	) -> Self {
+		let config_file = ConfigFile {
+			name,
+			api_key: ptth_core::gen_key (),
+			relay_url,
+			file_server_root: None,
+			throttle_upload: false,
+		};
+		
+		Self {
+			config_file,
+			hidden_path: None,
+			asset_root: None,
+		}
+	}
+	
+	pub fn build (self) -> Result <State, ServerError>
+	{
+		State::new (
+			self.config_file, 
+			self.hidden_path, 
+			self.asset_root
+		)
+	}
+	
+	pub fn api_key (mut self, key: String) -> Self {
+		self.config_file.api_key = key;
+		self
+	}
+}
 
 pub async fn run_server (
 	config_file: ConfigFile,
@@ -263,10 +302,39 @@ pub async fn run_server (
 )
 -> Result <(), ServerError>
 {
-	use std::{
+	let state = Arc::new (State::new (
-		convert::TryInto,
+		config_file,
+		hidden_path,
+		asset_root,
+	)?);
+	
+	let state_2 = Arc::clone (&state);
+	
+	let mut spawn_handler = || {
+		let state = Arc::clone (&state_2);
+		
+		|req: http_serde::RequestParts| async move {
+			Ok (state.file_server.serve_all (req.method, &req.uri, &req.headers).await?)
+		}
 	};
 	
+	State::run (
+		&state,
+		shutdown_oneshot,
+		&mut spawn_handler,
+	).await
+}
+
+impl State {
+	pub fn new (
+		config_file: ConfigFile,
+		hidden_path: Option <PathBuf>,
+		asset_root: Option <PathBuf>
+	)
+	-> Result <Self, ServerError> 
+	{
+		use std::convert::TryInto;
+		
 		use arc_swap::ArcSwap;
 		
 		let asset_root = asset_root.unwrap_or_else (PathBuf::new);
@@ -289,7 +357,7 @@ pub async fn run_server (
 			file_server::metrics::Interval::monitor (interval_writer).await;
 		});
 		
-	let state = Arc::new (State {
+		let state = State {
 			file_server: file_server::FileServer::new (
 				config_file.file_server_root,
 				&asset_root,
@@ -302,15 +370,21 @@ pub async fn run_server (
 				throttle_upload: config_file.throttle_upload,
 			},
 			client,
-	});
+		};
 		
-	run_server_loop (state, shutdown_oneshot).await
+		Ok (state)
 	}
 
-async fn run_server_loop (
+	pub async fn run <F, H, SH> (
-	state: Arc <State>,
+		state: &Arc <Self>,
 		shutdown_oneshot: oneshot::Receiver <()>,
-) -> Result <(), ServerError> {
+		spawn_handler: &mut SH,
+	) -> Result <(), ServerError> 
+	where 
+	F: Send + Future <Output = anyhow::Result <http_serde::Response>>,
+	H: Send + 'static + FnOnce (http_serde::RequestParts) -> F,
+	SH: Send + FnMut () -> H
+	{
 		use http::status::StatusCode;
 		
 		let mut backoff_delay = 0;
@@ -384,14 +458,6 @@ async fn run_server_loop (
 			// Unpack the requests, spawn them into new tasks, then loop back
 			// around.
 			
-		let spawn_handler = || {
-			let state = Arc::clone (&state);
-			
-			|req: http_serde::RequestParts| async move {
-				Ok (state.file_server.serve_all (req.method, &req.uri, &req.headers).await?)
-			}
-		};
-		
 			if handle_requests (
 				&state, 
 				req_resp,
@@ -411,6 +477,7 @@ async fn run_server_loop (
 		
 		Ok (())
 	}
+}
 
 #[cfg (test)]
 mod tests {