Fix bugs and add controller action for controller ws

emgauwa-controller/src/main.rs

@@ -2,23 +2,21 @@ use emgauwa_lib::constants::WEBSOCKET_RETRY_TIMEOUT;
 use emgauwa_lib::db::{DbController, DbJunctionRelaySchedule, DbRelay, DbSchedule};
 use emgauwa_lib::errors::EmgauwaError;
 use emgauwa_lib::models::{Controller, FromDbModel};
-use emgauwa_lib::types::{ControllerUid, ControllerWsAction};
+use emgauwa_lib::types::ControllerUid;
 use emgauwa_lib::{db, utils};
-use futures::{SinkExt, StreamExt};
 use sqlx::pool::PoolConnection;
 use sqlx::Sqlite;
 use tokio::time;
-use tokio_tungstenite::connect_async;
-use tokio_tungstenite::tungstenite::protocol::Message;
-use tokio_tungstenite::tungstenite::Error;
 use utils::init_logging;
 
 use crate::relay_loop::run_relay_loop;
 use crate::settings::Settings;
+use crate::ws::run_websocket;
 
 mod driver;
 mod relay_loop;
 mod settings;
+mod ws;
 
 async fn create_this_controller(
 	conn: &mut PoolConnection<Sqlite>,
@@ -57,34 +55,6 @@ async fn create_this_relay(
 	Ok(relay)
 }
 
-async fn run_websocket(this: Controller, url: &str) -> Result<(), EmgauwaError> {
-	match connect_async(url).await {
-		Ok(connection) => {
-			let (ws_stream, _) = connection;
-
-			let (mut write, read) = ws_stream.split();
-
-			let ws_action = ControllerWsAction::Register(this.clone());
-
-			let ws_action_json = serde_json::to_string(&ws_action)?;
-			if let Err(err) = write.send(Message::text(ws_action_json)).await {
-				log::error!("Failed to register at websocket: {}", err);
-				return Ok(());
-			}
-
-			let read_handler = read.for_each(handle_message);
-
-			read_handler.await;
-
-			log::warn!("Lost connection to websocket");
-		}
-		Err(err) => {
-			log::warn!("Failed to connect to websocket: {}", err,);
-		}
-	}
-	Ok(())
-}
-
 #[tokio::main]
 async fn main() -> Result<(), std::io::Error> {
 	let settings = settings::init()?;
@@ -128,8 +98,6 @@ async fn main() -> Result<(), std::io::Error> {
 		.await
 		.map_err(EmgauwaError::from)?;
 
-	let this = Controller::from_db_model(&mut conn, db_controller).map_err(EmgauwaError::from)?;
-
 	let url = format!(
 		"ws://{}:{}/api/v1/ws/controllers",
 		settings.core.host, settings.core.port
@@ -138,7 +106,14 @@ async fn main() -> Result<(), std::io::Error> {
 	tokio::spawn(run_relay_loop(settings));
 
 	loop {
-		let run_result = run_websocket(this.clone(), &url).await;
+		let db_controller = db_controller
+			.reload(&mut conn)
+			.await
+			.map_err(EmgauwaError::from)?;
+		let this =
+			Controller::from_db_model(&mut conn, db_controller).map_err(EmgauwaError::from)?;
+
+		let run_result = run_websocket(pool.clone(), this.clone(), &url).await;
 		if let Err(err) = run_result {
 			log::error!("Error running websocket: {}", err);
 		}
@@ -150,14 +125,3 @@ async fn main() -> Result<(), std::io::Error> {
 		time::sleep(WEBSOCKET_RETRY_TIMEOUT).await;
 	}
 }
-
-async fn handle_message(message_result: Result<Message, Error>) {
-	match message_result {
-		Ok(message) => {
-			if let Message::Text(msg_text) = message {
-				log::debug!("{}", msg_text)
-			}
-		}
-		Err(err) => log::debug!("Error: {}", err),
-	}
-}

emgauwa-controller/src/relay_loop.rs

@@ -8,7 +8,7 @@ use crate::settings::Settings;
 
 #[allow(unused_variables)]
 pub async fn run_relay_loop(settings: Settings) {
-	let default_duration = Duration::from_millis(1000);
+	let default_duration = Duration::from_millis(10000);
 	loop {
 		let next_timestamp = Instant::now() + default_duration;
 		time::sleep_until(next_timestamp).await;

emgauwa-controller/src/ws/mod.rs

@@ -0,0 +1,109 @@
+use emgauwa_lib::db::DbController;
+use emgauwa_lib::errors::{DatabaseError, EmgauwaError};
+use emgauwa_lib::models::Controller;
+use emgauwa_lib::types::ControllerWsAction;
+use futures::{SinkExt, StreamExt};
+use sqlx::pool::PoolConnection;
+use sqlx::{Pool, Sqlite};
+use tokio_tungstenite::tungstenite::Message;
+use tokio_tungstenite::{connect_async, tungstenite};
+
+pub async fn run_websocket(
+	pool: Pool<Sqlite>,
+	this: Controller,
+	url: &str,
+) -> Result<(), EmgauwaError> {
+	match connect_async(url).await {
+		Ok(connection) => {
+			let (ws_stream, _) = connection;
+
+			let (mut write, read) = ws_stream.split();
+
+			let ws_action = ControllerWsAction::Register(this.clone());
+
+			let ws_action_json = serde_json::to_string(&ws_action)?;
+			if let Err(err) = write.send(Message::text(ws_action_json)).await {
+				log::error!("Failed to register at websocket: {}", err);
+				return Ok(());
+			}
+
+			let read_handler = read.for_each(|msg| handle_message(pool.clone(), this.clone(), msg));
+
+			read_handler.await;
+
+			log::warn!("Lost connection to websocket");
+		}
+		Err(err) => {
+			log::warn!("Failed to connect to websocket: {}", err,);
+		}
+	}
+	Ok(())
+}
+
+async fn handle_message(
+	pool: Pool<Sqlite>,
+	this: Controller,
+	message_result: Result<Message, tungstenite::Error>,
+) {
+	let msg = match message_result {
+		Ok(msg) => msg,
+		Err(err) => {
+			log::error!("Error reading message: {}", err);
+			return;
+		}
+	};
+	match msg {
+		Message::Text(text) => match serde_json::from_str(&text) {
+			Ok(action) => {
+				log::debug!("Received action: {:?}", action);
+				let mut pool_conn = match pool.acquire().await {
+					Ok(conn) => conn,
+					Err(err) => {
+						log::error!("Failed to acquire database connection: {:?}", err);
+						return;
+					}
+				};
+				let action_res = handle_action(&mut pool_conn, this, action).await;
+				if let Err(e) = action_res {
+					log::error!("Error handling action: {:?}", e);
+				}
+			}
+			Err(e) => {
+				log::error!("Error deserializing action: {:?}", e);
+			}
+		},
+		_ => (),
+	}
+}
+
+pub async fn handle_action(
+	conn: &mut PoolConnection<Sqlite>,
+	this: Controller,
+	action: ControllerWsAction,
+) -> Result<(), EmgauwaError> {
+	match action {
+		ControllerWsAction::Controller(controller) => {
+			handle_controller(conn, this, controller).await
+		}
+		_ => Ok(()),
+	}
+}
+
+pub async fn handle_controller(
+	conn: &mut PoolConnection<Sqlite>,
+	this: Controller,
+	controller: Controller,
+) -> Result<(), EmgauwaError> {
+	if controller.c.uid != this.c.uid {
+		return Err(EmgauwaError::Other(String::from(
+			"Controller UID mismatch during update",
+		)));
+	}
+	DbController::get_by_uid(conn, &controller.c.uid)
+		.await?
+		.ok_or(DatabaseError::NotFound)?
+		.update(conn, controller.c.name.as_str(), this.c.relay_count)
+		.await?;
+
+	Ok(())
+}