Make front WS service immutable to avoid wasm-rust exceptions, add debug logging

Cargo.lock

@@ -183,6 +183,17 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "console_log"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be8aed40e4edbf4d3b4431ab260b63fdc40f5780a4766824329ea0f1eefe3c0f"
+dependencies = [
+ "log",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "convert_case"
 version = "0.4.0"
@@ -797,6 +808,8 @@ checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
 [[package]]
 name = "nrpc"
 version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f41caeb65399490c6f68ab2527a833d6f2e9b0d7d5ffc4b062f1484b3fa61cd"
 dependencies = [
  "async-trait",
  "bytes",
@@ -805,9 +818,7 @@ dependencies = [
 
 [[package]]
 name = "nrpc"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f41caeb65399490c6f68ab2527a833d6f2e9b0d7d5ffc4b062f1484b3fa61cd"
+version = "0.7.0"
 dependencies = [
  "async-trait",
  "bytes",
@@ -818,7 +829,7 @@ dependencies = [
 name = "nrpc-build"
 version = "0.7.0"
 dependencies = [
- "nrpc 0.6.0",
+ "nrpc 0.7.0",
  "prettyplease 0.2.4",
  "proc-macro2",
  "prost-build",
@@ -1502,7 +1513,7 @@ dependencies = [
  "gettext-ng",
  "hex",
  "log",
- "nrpc 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nrpc 0.6.0",
  "obfstr",
  "prost",
  "ratchet_rs",
@@ -1539,12 +1550,13 @@ version = "0.11.0"
 dependencies = [
  "async-channel",
  "console_error_panic_hook",
+ "console_log",
  "futures",
  "gloo-net",
  "hex",
  "js-sys",
  "log",
- "nrpc 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nrpc 0.7.0",
  "obfstr",
  "prost",
  "usdpl-core",

usdpl-back/src/websockets.rs

@@ -46,7 +46,7 @@ impl WebsocketServer {
         let tcp = TcpListener::bind(addr).await?;
 
         while let Ok((stream, _addr_do_not_use)) = tcp.accept().await {
-            tokio::spawn(Self::connection_handler(self.services.clone(), stream));
+            tokio::spawn(error_logger("USDPL websocket server error", Self::connection_handler(self.services.clone(), stream)));
         }
 
         Ok(())
@@ -65,6 +65,7 @@ impl WebsocketServer {
         services: ServiceRegistry<'static>,
         stream: TcpStream,
     ) -> Result<(), RatchetError> {
+        log::debug!("connection_handler invoked!");
         let upgraded = ratchet_rs::accept_with(
             stream,
             WebSocketConfig::default(),
@@ -77,6 +78,8 @@ impl WebsocketServer {
 
         let request_path = upgraded.request.uri().path();
 
+        log::debug!("accepted new connection on uri {}", request_path);
+
         let mut websocket = upgraded.websocket;
 
         let descriptor = Self::parse_uri_path(request_path)
@@ -92,6 +95,7 @@ impl WebsocketServer {
                     ))
                 }
                 Message::Binary => {
+                    log::debug!("got binary ws message on uri {}", request_path);
                     let response = services
                         .call_descriptor(
                             descriptor.service,
@@ -102,6 +106,7 @@ impl WebsocketServer {
                         .map_err(|e| {
                             RatchetError::with_cause(ratchet_rs::ErrorKind::Protocol, e.to_string())
                         })?;
+                    log::debug!("service completed response on uri {}", request_path);
                     websocket.write_binary(response).await?;
                 }
                 Message::Ping(x) => websocket.write_pong(x).await?,
@@ -109,11 +114,12 @@ impl WebsocketServer {
                 Message::Close(_) => break,
             }
         }
+        log::debug!("ws connection {} closed", request_path);
         Ok(())
     }
 
     fn parse_uri_path<'a>(path: &'a str) -> Result<MethodDescriptor<'a>, &'static str> {
-        let mut iter = path.split('/');
+        let mut iter = path.trim_matches('/').split('/');
         if let Some(service) = iter.next() {
             if let Some(method) = iter.next() {
                 if iter.next().is_none() {
@@ -129,3 +135,9 @@ impl WebsocketServer {
         }
     }
 }
+
+async fn error_logger<E: std::error::Error>(msg: &'static str, f: impl core::future::Future<Output=Result<(), E>>) {
+    if let Err(e) = f.await {
+        log::error!("{}: {}", msg, e);
+    }
+}

usdpl-build/src/front/mod.rs

@@ -28,3 +28,18 @@ pub fn build(
     .transpile()
     .unwrap()
 }
+
+pub fn build_min(
+    custom_protos: impl Iterator<Item = String>,
+    custom_dirs: impl Iterator<Item = String>,
+) {
+    crate::dump_protos_out().unwrap();
+    nrpc_build::Transpiler::new(
+        crate::all_proto_filenames(crate::proto_builtins_out_path(), custom_protos),
+        crate::proto_out_paths(custom_dirs),
+    )
+    .unwrap()
+    .generate_client()
+    .transpile()
+    .unwrap()
+}

usdpl-build/src/front/service_generator.rs

@@ -80,7 +80,7 @@ fn generate_service_methods(
 
         gen_methods.push(quote::quote! {
             #[wasm_bindgen]
-            pub async fn #method_name(&mut self, #(#input_params)*) -> Option<#method_output> {
+            pub async fn #method_name(&self, #(#input_params)*) -> Option<#method_output> {
 
                 #params_to_fields_transformer
 

usdpl-front/Cargo.toml

@@ -14,7 +14,7 @@ crate-type = ["cdylib", "rlib"]
 [features]
 default = []
 decky = ["usdpl-core/decky"]
-debug = ["console_error_panic_hook"]
+debug = ["console_error_panic_hook", "console_log"]
 encrypt = ["usdpl-core/encrypt", "obfstr", "hex"]
 
 [dependencies]
@@ -22,6 +22,7 @@ wasm-bindgen = "0.2"
 wasm-bindgen-futures = "0.4"
 gloo-net = { version = "0.2", features = ["websocket"] }
 futures = "0.3"
+console_log = { version = "1.0", optional = true, features = ["color"] }
 
 # The `console_error_panic_hook` crate provides better debugging of panics by
 # logging them with `console.error`. This is great for development, but requires
@@ -44,7 +45,7 @@ async-channel = "1.8"
 obfstr = { version = "0.3", optional = true }
 hex = { version = "0.4", optional = true }
 
-nrpc = "0.6"
+nrpc = { version = "0.7", path = "../../nRPC/nrpc" }
 usdpl-core = { version = "0.11", path = "../usdpl-core" }
 prost = "0.11"
 log = "0.4"

usdpl-front/src/client_handler.rs

@@ -54,7 +54,7 @@ impl WebSocketHandler {
 #[async_trait::async_trait]
 impl ClientHandler for WebSocketHandler {
     async fn call(
-        &mut self,
+        &self,
         package: &str,
         service: &str,
         method: &str,

usdpl-front/src/lib.rs

@@ -78,6 +78,8 @@ fn increment_id() -> u64 {
 pub fn init_usdpl(port: u16) {
     #[cfg(feature = "console_error_panic_hook")]
     console_error_panic_hook::set_once();
+    #[cfg(feature = "console_log")]
+    console_log::init_with_level(log::Level::Debug).expect("USDPL: error initializing console log");
     //REMOTE_PORT.store(port, std::sync::atomic::Ordering::SeqCst);
     unsafe {
         CTX = UsdplContext {