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/dev/null +++ b/Cargo.toml @@ -0,0 +1,16 @@ +[package] +name = "hyperdeck-monitor" +version = "0.1.0" +edition = "2021" + +[dependencies] +color-eyre = "0.6.3" +futures-util = "0.3.30" +serde = { version = "1.0.199", features = ["derive"] } +serde_json = "1.0.116" +tokio = { version = "1.37.0", features = ["full"] } +tokio-tungstenite = "0.21.0" +tokio-util = "0.7.10" +tracing = "0.1.40" +tracing-subscriber = { version = "0.3.18", features = ["env-filter"] } +url = "2.5.0" diff --git a/build.rs b/build.rs new file mode 100644 index 0000000..b265a14 --- /dev/null +++ b/build.rs @@ -0,0 +1,26 @@ +use std::process::Command; + +fn main() { + println!("cargo:rerun-if-changed=package.json"); + println!("cargo:rerun-if-changed=package-lock.json"); + println!("cargo:rerun-if-changed=index.ts"); + + let npm_install_output = Command::new("npm") + .arg("install") + .output() + .expect("Failed to run `npm install`"); + if !npm_install_output.status.success() { + let err = String::from_utf8(npm_install_output.stderr).unwrap_or("Unknown".to_string()); + panic!("Running `npm install` failed, reason: {err}"); + } + + let ts_build_output = Command::new("npm") + .arg("run") + .arg("build") + .output() + .expect("Failed to run `npm run build`"); + if !ts_build_output.status.success() { + let err = String::from_utf8(ts_build_output.stderr).unwrap_or("Unknown".to_string()); + panic!("Running `npm run build` failed, reason: {err}"); + } +} diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..8e8683f --- /dev/null +++ b/flake.lock @@ -0,0 +1,85 @@ +{ + "nodes": { + "flake-utils": { + "inputs": { + "systems": "systems" + }, + "locked": { + "lastModified": 1710146030, + "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "flake-utils", + "type": "github" + } + }, + "nixpkgs": { + "locked": { + "lastModified": 1714253743, + "narHash": "sha256-mdTQw2XlariysyScCv2tTE45QSU9v/ezLcHJ22f0Nxc=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "58a1abdbae3217ca6b702f03d3b35125d88a2994", + "type": "github" + }, + "original": { + "owner": "NixOS", + "ref": "nixos-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "flake-utils": "flake-utils", + "nixpkgs": "nixpkgs", + "rust-overlay": "rust-overlay" + } + }, + "rust-overlay": { + "inputs": { + "flake-utils": [ + "flake-utils" + ], + "nixpkgs": [ + "nixpkgs" + ] + }, + "locked": { + "lastModified": 1714356894, + "narHash": "sha256-W6Mss7AG6bnFT1BqRApHXvLXBrFOu7V0+EUe9iML30s=", + "owner": "oxalica", + "repo": "rust-overlay", + "rev": "d9b44509b4064f0a3fc9c7c92a603861f52fbedc", + "type": "github" + }, + "original": { + "owner": "oxalica", + "repo": "rust-overlay", + "type": "github" + } + }, + "systems": { + "locked": { + "lastModified": 1681028828, + "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=", + "owner": "nix-systems", + "repo": "default", + "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e", + "type": "github" + }, + "original": { + "owner": "nix-systems", + "repo": "default", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..bcaf927 --- /dev/null +++ b/flake.nix @@ -0,0 +1,46 @@ +{ + inputs = { + nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; + flake-utils.url = "github:numtide/flake-utils"; + rust-overlay = { + url = "github:oxalica/rust-overlay"; + inputs = { + nixpkgs.follows = "nixpkgs"; + flake-utils.follows = "flake-utils"; + }; + }; + }; + outputs = { + self, + nixpkgs, + flake-utils, + rust-overlay, + }: + flake-utils.lib.eachDefaultSystem + ( + system: let + overlays = [(import rust-overlay)]; + pkgs = import nixpkgs { + inherit system overlays; + }; + rustToolchain = pkgs.pkgsBuildHost.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml; + nativeBuildInputs = with pkgs; [ + rustToolchain + nodejs + ]; + buildInputs = with pkgs; [ + rustToolchain + nodejs + ]; + in + with pkgs; { + formatter = pkgs.alejandra; + + devShells.default = mkShell { + inherit buildInputs nativeBuildInputs; + + RUST_SRC_PATH = "${rustToolchain}/lib/rustlib/src/rust/library"; + }; + } + ); +} diff --git a/index.ts b/index.ts new file mode 100644 index 0000000..b89390a --- /dev/null +++ b/index.ts @@ -0,0 +1,14 @@ +import WebSocket from 'ws'; + +const wss = new WebSocket.Server({ port: 7867 }); + +wss.on('connection', function connection(ws) { + ws.on('message', function message(data) { + console.log('received: %s', data); + }); + + ws.send(JSON.stringify({ + event: "log", + message: "Hello" + })); +}); diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..6a6de7e --- /dev/null +++ b/package-lock.json @@ -0,0 +1,100 @@ +{ + "name": "hyperdeck-monitor", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "hyperdeck-monitor", + "version": "1.0.0", + "license": "ISC", + "dependencies": { + "hyperdeck-connection": "^2.0.1", + "ws": "^8.17.0" + }, + "devDependencies": { + "@types/ws": "^8.5.10", + "typescript": "^5.4.5" + } + }, + "node_modules/@types/node": { + "version": "20.12.7", + "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.7.tgz", + "integrity": "sha512-wq0cICSkRLVaf3UGLMGItu/PtdY7oaXaI/RVU+xliKVOtRna3PRY57ZDfztpDL0n11vfymMUnXv8QwYCO7L1wg==", + "dev": true, + "dependencies": { + "undici-types": "~5.26.4" + } + }, + "node_modules/@types/ws": { + "version": "8.5.10", + "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.5.10.tgz", + "integrity": "sha512-vmQSUcfalpIq0R9q7uTo2lXs6eGIpt9wtnLdMv9LVpIjCA/+ufZRozlVoVelIYixx1ugCBKDhn89vnsEGOCx9A==", + "dev": true, + "dependencies": { + "@types/node": "*" + } + }, + "node_modules/eventemitter3": { + 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"sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==", + "dev": true, + "bin": { + "tsc": "bin/tsc", + "tsserver": "bin/tsserver" + }, + "engines": { + "node": ">=14.17" + } + }, + "node_modules/undici-types": { + "version": "5.26.5", + "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz", + "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==", + "dev": true + }, + "node_modules/ws": { + "version": "8.17.0", + "resolved": "https://registry.npmjs.org/ws/-/ws-8.17.0.tgz", + "integrity": "sha512-uJq6108EgZMAl20KagGkzCKfMEjxmKvZHG7Tlq0Z6nOky7YF7aq4mOx6xK8TJ/i1LeK4Qus7INktacctDgY8Ow==", + "engines": { + "node": ">=10.0.0" + }, + "peerDependencies": { + "bufferutil": "^4.0.1", + "utf-8-validate": ">=5.0.2" + }, + "peerDependenciesMeta": { + "bufferutil": { + "optional": true + }, + "utf-8-validate": { + "optional": true + } + } + } + } +} diff --git a/package.json b/package.json new file mode 100644 index 0000000..2bc9b4e --- /dev/null +++ b/package.json @@ -0,0 +1,16 @@ +{ + "name": "hyperdeck-monitor", + "version": "1.0.0", + "main": "index.js", + "scripts": { + "build": "tsc" + }, + "dependencies": { + "hyperdeck-connection": "^2.0.1", + "ws": "^8.17.0" + }, + "devDependencies": { + "@types/ws": "^8.5.10", + "typescript": "^5.4.5" + } +} diff --git a/rust-toolchain.toml b/rust-toolchain.toml new file mode 100644 index 0000000..c0166bd --- /dev/null +++ b/rust-toolchain.toml @@ -0,0 +1,3 @@ +[toolchain] +channel = "stable" +components = [ "rust-src", "cargo", "rustc" ] diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..d26df7a --- /dev/null +++ b/src/main.rs @@ -0,0 +1,192 @@ +use std::{net::IpAddr, time::Duration}; + +use color_eyre::Report; +use futures_util::{ + pin_mut, select, + stream::{SplitSink, SplitStream}, + FutureExt, SinkExt, StreamExt, +}; +use serde::{Deserialize, Serialize}; +use tokio::net::TcpStream; +use tokio_tungstenite::{tungstenite::Message, MaybeTlsStream, WebSocketStream}; +use tokio_util::sync::CancellationToken; +use tracing_subscriber::EnvFilter; + +#[tokio::main] +async fn main() { + setup_logging().expect("Failed to setup logging"); + tracing::info!("Hello, world!"); + + let cancel = CancellationToken::new(); + let node_process = run_node_process(cancel.clone()).fuse(); + + let (ws_message_tx, ws_message_rx) = tokio::sync::mpsc::unbounded_channel(); + let (commands_tx, commands_rx) = tokio::sync::mpsc::unbounded_channel(); + let state = AppState::default(); + let ws_process = talk_to_node_ws(state, ws_message_tx, commands_rx, cancel.clone()).fuse(); + + pin_mut!(node_process); + pin_mut!(ws_process); + + select! { + _ = node_process => {}, + _ = ws_process => {}, + _ = cancel.cancelled().fuse() => {} + }; + + cancel.cancel(); +} + +async fn run_node_process(cancel: CancellationToken) { + while !cancel.is_cancelled() { + let result = tokio::process::Command::new("node") + .arg("index.js") + .output() + .await; + if let Ok(output) = result { + if !output.status.success() { + let err = String::from_utf8(output.stderr).unwrap_or("Unknown".to_string()); + tracing::error!("Node process exited with error: {}", err); + // Back-off in case we are immediately crashing in a loop. + tokio::time::sleep(Duration::from_secs(1)).await; + } + } + } +} + +#[derive(Default)] +struct AppState {} +enum NodeWsCommand { + Ping, + AddHyperdeck(AddHyperdeckCommand), + RemoveHyperdeck(RemoveHyperdeckCommand), +} + +#[derive(Serialize, Deserialize)] +#[serde(rename_all = "camelCase")] +#[serde(tag = "event")] +enum NodeWsMessageReceived { + Log { message: String }, +} + +#[derive(Serialize, Deserialize)] +#[serde(rename_all = "camelCase")] +struct AddHyperdeckCommand { + ip: IpAddr, +} + +#[derive(Serialize, Deserialize)] +#[serde(rename_all = "camelCase")] +struct RemoveHyperdeckCommand { + ip: IpAddr, +} + +async fn talk_to_node_ws( + state: AppState, + ws_message_tx: tokio::sync::mpsc::UnboundedSender, + commands_rx: tokio::sync::mpsc::UnboundedReceiver, + cancel: CancellationToken, +) { + let ws_stream = wait_for_connection().await; + let (write, read) = ws_stream.split(); + + let outgoing = handle_outbound_messages(commands_rx, write).fuse(); + let incoming = handle_inbound_messages(read, ws_message_tx).fuse(); + + pin_mut!(outgoing); + pin_mut!(incoming); + + select! { + _ = outgoing => {}, + _ = incoming => {}, + _ = cancel.cancelled().fuse() => {}, + } +} + +async fn wait_for_connection() -> WebSocketStream> { + loop { + // Wait for Node to wake up... + tokio::time::sleep(Duration::from_secs(1)).await; + + let ws_url = url::Url::parse("ws://127.0.0.1:7867").expect("Invalid websocket URL"); + match tokio_tungstenite::connect_async(ws_url.clone()).await { + Ok((ws_stream, _)) => { + tracing::info!("Connected to Node process on {ws_url}"); + return ws_stream; + } + Err(err) => { + tracing::error!("Error connecting to Node process: {:?}", err) + } + } + } +} + +async fn handle_outbound_messages( + mut commands_rx: tokio::sync::mpsc::UnboundedReceiver, + mut socket_tx: SplitSink>, Message>, +) { + while let Some(command) = commands_rx.recv().await { + match command { + NodeWsCommand::Ping => { + let _ = socket_tx + .send(tokio_tungstenite::tungstenite::Message::Ping(vec![])) + .await; + } + NodeWsCommand::AddHyperdeck(command) => { + let _ = socket_tx + .send(tokio_tungstenite::tungstenite::Message::Text( + serde_json::to_string(&command) + .expect("Could not serialize AddHyperdeck command"), + )) + .await; + } + NodeWsCommand::RemoveHyperdeck(command) => { + let _ = socket_tx + .send(tokio_tungstenite::tungstenite::Message::Text( + serde_json::to_string(&command) + .expect("Could not serialize RemoveHyperdeck command"), + )) + .await; + } + } + } +} + +async fn handle_inbound_messages( + socket_rx: SplitStream>>, + ws_message_tx: tokio::sync::mpsc::UnboundedSender, +) { + socket_rx + .for_each(|message| async { + match message { + Ok(tokio_tungstenite::tungstenite::Message::Text(text)) => { + if let Ok(received) = serde_json::from_str::(&text) { + match received { + NodeWsMessageReceived::Log { message } => { + tracing::info!("Message from Node process: {message}"); + } + } + } + } + Ok(tokio_tungstenite::tungstenite::Message::Pong(_)) => {} + _ => {} + } + }) + .await; +} + +fn setup_logging() -> Result<(), Report> { + if std::env::var("RUST_LIB_BACKTRACE").is_err() { + std::env::set_var("RUST_LIB_BACKTRACE", "1"); + } + color_eyre::install()?; + + if std::env::var("RUST_LOG").is_err() { + std::env::set_var("RUST_LOG", "debug"); + } + tracing_subscriber::fmt::fmt() + .with_env_filter(EnvFilter::from_default_env()) + .init(); + + Ok(()) +} diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..5ab779b --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,8 @@ +{ + "include": [ + "index.ts" + ], + "compilerOptions": { + "esModuleInterop": true + }, +} \ No newline at end of file