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App and AudioController now send messages as peers

This commit is contained in:
Savanni D'Gerinel 2024-09-04 21:20:41 -04:00
parent f941d1fb66
commit f555804f10
6 changed files with 355 additions and 146 deletions
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133
gm-dash/server/src/app/mod.rs
View File

@ -4,101 +4,122 @@ use std::{
sync::{Arc, RwLock},
};
use crate::{
audio_control::{AudioControl, AudioControlBackend},
types::{AppError, TrackInfo},
use tokio::{
sync::mpsc::{Receiver, Sender},
task::JoinHandle,
};
struct AppState {
device_list: Vec<String>,
track_list: Vec<PathBuf>,
audio_control: AudioControl,
}
use crate::{
audio_control::{AudioControl},
types::{AppError, AudioControlMessage, AudioStatusMessage, TrackInfo, TrackSpec, Volume},
};
#[cfg(test)]
mod tests;
/*
struct AppState {
playing: bool,
device_list: Vec<String>,
track_list: Vec<PathBuf>,
track_status: Vec<TrackInfo>,
}
impl Default for AppState {
fn default() -> Self {
Self {
device_list: vec![],
track_list: vec![
"/home/savanni/Music/Travis Savoie/RPG Toolkit Volume II/01 - A Day to Rebuild.mp3.mp3".to_owned(),
"/home/savanni/Music/Travis Savoie/RPG Toolkit Volume II/02 - Against the Clock.mp3.mp3".to_owned(),
"/home/savanni/Music/Travis Savoie/RPG Toolkit Volume II/03 - Alleyway Cutthroat.mp3.mp3".to_owned(),
"/home/savanni/Music/Travis Savoie/RPG Toolkit Volume II/04 - Beasts Of Legend.mp3.mp3".to_owned(),
"/home/savanni/Music/Travis Savoie/RPG Toolkit Volume II/05 - Books and Spellcrafting.mp3.mp3".to_owned(),
],
currently_playing: HashSet::default(),
playing: false,
audio_control: AudioControl::default(),
}
}
}
*/
#[derive(Clone)]
pub struct App {
internal: Arc<RwLock<AppState>>,
}
impl Default for App {
fn default() -> Self {
let internal = AppState {
device_list: vec![],
track_list: vec![],
audio_control: AudioControl::default(),
};
Self {
internal: Arc::new(RwLock::new(internal)),
track_status: vec![],
}
}
}
pub struct App {
state: Arc<RwLock<AppState>>,
audio_control: Sender<AudioControlMessage>,
listener: JoinHandle<()>,
}
impl App {
fn new(backend: impl AudioControlBackend + 'static) -> App {
let internal = AppState {
device_list: vec![],
track_list: vec![],
audio_control: AudioControl::new(backend),
};
pub fn new(
audio_control: Sender<AudioControlMessage>,
mut audio_status: Receiver<AudioStatusMessage>,
) -> App {
let state = Arc::new(RwLock::new(AppState::default()));
App {
internal: Arc::new(RwLock::new(internal)),
let listener = tokio::spawn({
let state = state.clone();
async move {
println!("listener started");
loop {
match audio_status.recv().await {
Some(AudioStatusMessage::Playing) => {
state.write().unwrap().playing = true;
}
Some(AudioStatusMessage::Status(track_status)) => {
state.write().unwrap().track_status = track_status;
}
msg => println!("message received from audio controller: {:?}", msg),
}
}
}
});
Self {
state,
audio_control,
listener,
}
}
pub fn playing(&self) -> bool {
self.internal.read().unwrap().audio_control.playing()
self.state.read().unwrap().playing
}
pub fn add_audio(&self, device: String) {
/*
let mut st = self.internal.write().unwrap();
st.device_list.push(device);
*/
}
pub fn audio_devices(&self) -> Vec<String> {
/*
let st = self.internal.read().unwrap();
st.device_list.clone()
*/
vec![]
}
pub fn enabled_tracks(&self) -> Vec<PathBuf> {
let st = self.internal.read().unwrap();
st.audio_control.tracks().into_iter().map(|ti| ti.path.clone()).collect()
let st = self.state.read().unwrap();
st.track_status.iter().map(|ti| ti.path.clone()).collect()
}
pub fn enable_track(&self, path: PathBuf) -> Result<(), AppError> {
pub async fn enable_track(&self, path: PathBuf) -> Result<(), AppError> {
self.audio_control
.send(AudioControlMessage::EnableTrack(TrackSpec {
path,
volume: Volume::try_from(1.0).unwrap(),
}))
.await
.expect("audio control send to succeed");
/*
let st = self.internal.write().unwrap();
st.audio_control.add_track(TrackInfo{ path })?;
st.audio_control.add_track(TrackSpec{ path })?;
*/
Ok(())
}
pub fn disable_track(&self, _track: &str) -> Result<(), AppError> {
pub async fn disable_track(&self, _track: &str) -> Result<(), AppError> {
/*
let mut st = self.internal.write().unwrap();
if st.currently_playing.contains_key(track) {
@ -109,15 +130,19 @@ impl App {
Ok(())
}
pub fn play(&self) -> Result<(), AppError> {
pub async fn play(&self) -> Result<(), AppError> {
/*
let st = self.internal.write().unwrap();
st.audio_control.play()?;
*/
Ok(())
}
pub fn stop(&self) -> Result<(), AppError> {
pub async fn stop(&self) -> Result<(), AppError> {
/*
let st = self.internal.write().unwrap();
st.audio_control.stop()?;
*/
Ok(())
}
}

1
gm-dash/server/src/app/test.rs
View File

@ -1 +0,0 @@

125
gm-dash/server/src/app/tests.rs
View File

@ -1,55 +1,117 @@
use std::path::PathBuf;
use std::{future::Future, path::PathBuf, time::Duration};
use cool_asserts::assert_matches;
use tokio::sync::mpsc::{Receiver, Sender};
use crate::{
app::{App, AppError},
audio_control::MemoryBackend,
types::{AudioControlMessage, AudioStatusMessage, Progress, TrackInfo, TrackSpec, Volume},
};
fn with_memory_app<F>(f: F)
where
F: Fn(App),
{
let app = App::new(MemoryBackend::default());
fn memory_app() -> (
App,
Receiver<AudioControlMessage>,
Sender<AudioStatusMessage>,
) {
let (audio_control_tx, audio_control_rx) = tokio::sync::mpsc::channel(5);
let (audio_status_tx, audio_status_rx) = tokio::sync::mpsc::channel(5);
let app = App::new(audio_control_tx, audio_status_rx);
f(app)
(app, audio_control_rx, audio_status_tx)
}
#[test]
fn app_starts_in_stopped_state() {
with_memory_app(|app| {
#[tokio::test]
async fn app_starts_in_stopped_state() {
let (app, _control_rx, _status_tx) = memory_app();
assert!(!app.playing());
});
}
#[test]
fn can_add_a_track_without_starting_playback() {
with_memory_app(|app| {
app.enable_track(PathBuf::from("/home/savanni/Music/Travis Savoie/RPG Toolkit Volume II/05 - Books and Spellcrafting.mp3.mp3")).expect("to enable a track");
assert!(!app.playing());
app.enable_track(PathBuf::from(
#[tokio::test]
async fn can_add_a_track_without_starting_playback() {
let (app, mut control_rx, status_tx) = memory_app();
let path_1 = PathBuf::from("/home/savanni/Music/Travis Savoie/RPG Toolkit Volume II/05 - Books and Spellcrafting.mp3.mp3");
let path_2 = PathBuf::from(
"/home/savanni/Music/Travis Savoie/RPG Toolkit Volume II/01 - A Day to Rebuild.mp3.mp3",
))
);
{
app.enable_track(path_1.clone())
.await
.expect("to enable a track");
assert!(!app.playing());
assert_matches!(control_rx.recv().await, Some(AudioControlMessage::EnableTrack(trackspec)) => {
assert_eq!(trackspec, TrackSpec{ path: path_1.clone(), volume: Volume::try_from(1.0).unwrap() });
});
status_tx
.send(AudioStatusMessage::Status(vec![TrackInfo {
path: path_1.clone(),
volume: Volume::try_from(1.0).unwrap(),
progress: Progress {
current: Duration::from_secs(0),
length: Duration::from_secs(100),
},
}]))
.await
.expect("status send to work");
tokio::time::sleep(Duration::from_millis(1)).await;
let tracks = app.enabled_tracks();
tracks.iter().find(|p| **p == PathBuf::from("/home/savanni/Music/Travis Savoie/RPG Toolkit Volume II/05 - Books and Spellcrafting.mp3.mp3")).expect("the books and spellcrafting track to be enabled");
tracks.iter().find(|p| **p == PathBuf::from("/home/savanni/Music/Travis Savoie/RPG Toolkit Volume II/01 - A Day to Rebuild.mp3.mp3")).expect("the day to rebuild track to be enabled");
});
tracks.iter().find(|p| **p == path_1);
assert!(!app.playing());
}
#[test]
fn cannot_start_playback_with_no_tracks() {
with_memory_app(|app| {
assert_matches!(app.play(), Err(AppError::NoTracks));
{
app.enable_track(path_2.clone())
.await
.expect("to enable a track");
assert_matches!(control_rx.recv().await, Some(AudioControlMessage::EnableTrack(trackspec)) => {
assert_eq!(trackspec, TrackSpec{ path: path_2.clone(), volume: Volume::try_from(1.0).unwrap() });
});
status_tx
.send(AudioStatusMessage::Status(vec![
TrackInfo {
path: path_1.clone(),
volume: Volume::try_from(1.0).unwrap(),
progress: Progress {
current: Duration::from_secs(0),
length: Duration::from_secs(100),
},
},
TrackInfo {
path: path_2.clone(),
volume: Volume::try_from(1.0).unwrap(),
progress: Progress {
current: Duration::from_secs(0),
length: Duration::from_secs(100),
},
},
]))
.await
.expect("status send to work");
tokio::time::sleep(Duration::from_millis(1)).await;
let tracks = app.enabled_tracks();
tracks.iter().find(|p| **p == path_1);
tracks.iter().find(|p| **p == path_2);
}
}
#[test]
fn can_add_a_track_during_playback() {
with_memory_app(|app| {
#[tokio::test]
async fn cannot_start_playback_with_no_tracks() {
let (app, control_rx, status_tx) = memory_app();
// assert_matches!(app.play(), Err(AppError::NoTracks));
unimplemented!()
}
#[tokio::test]
async fn can_add_a_track_during_playback() {
let (app, control_rx, status_tx) = memory_app();
/*
app.enable_track(PathBuf::from("/home/savanni/Music/Travis Savoie/RPG Toolkit Volume II/05 - Books and Spellcrafting.mp3.mp3")).expect("to enable a track");
app.play().expect("to start playback");
@ -59,5 +121,6 @@ fn can_add_a_track_during_playback() {
"/home/savanni/Music/Travis Savoie/RPG Toolkit Volume II/01 - A Day to Rebuild.mp3.mp3",
))
.expect("to enable another track during playback");
});
*/
unimplemented!()
}

95
gm-dash/server/src/audio_control/mod.rs
View File

@ -1,13 +1,14 @@
use std::{
collections::HashSet,
collections::HashMap,
path::PathBuf,
sync::{Arc, RwLock},
sync::{Arc, RwLock}, time::Duration,
};
use gstreamer::{prelude::*, ClockTime, MessageType, MessageView};
use thiserror::Error;
use tokio::sync::mpsc::{Receiver, Sender};
use crate::types::TrackInfo;
use crate::types::{AudioControlMessage, AudioStatusMessage, TrackSpec};
#[derive(Debug, Error, PartialEq)]
pub enum AudioError {
@ -19,27 +20,75 @@ pub enum AudioError {
}
pub struct AudioControl {
backend: Arc<RwLock<dyn AudioControlBackend>>,
control_rx: Receiver<AudioControlMessage>,
status_tx: Sender<AudioStatusMessage>,
}
/*
impl Default for AudioControl {
fn default() -> Self {
Self::new(GStreamerBackend::default())
}
}
*/
impl AudioControl {
pub fn new(backend: impl AudioControlBackend + 'static) -> Self {
pub fn new() -> (
Self,
Sender<AudioControlMessage>,
Receiver<AudioStatusMessage>,
) {
let (control_tx, control_rx) = tokio::sync::mpsc::channel(5);
let (status_tx, status_rx) = tokio::sync::mpsc::channel(5);
(
Self {
backend: Arc::new(RwLock::new(backend)),
control_rx,
status_tx,
},
control_tx,
status_rx,
)
}
pub async fn listen(&mut self) {
while let Some(msg) = self.control_rx.recv().await {
match msg {
AudioControlMessage::Play => {
unimplemented!()
}
AudioControlMessage::Pause => {
unimplemented!()
}
AudioControlMessage::EnableTrack(_) => {
unimplemented!()
}
AudioControlMessage::DisableTrack(_) => {
unimplemented!()
}
AudioControlMessage::ReportStatus => {
unimplemented!()
}
}
}
}
pub async fn report(&self) {
loop {
self.status_tx
.send(AudioStatusMessage::Status(vec![]))
.await
.expect("to successfully send a message");
tokio::time::sleep(Duration::from_secs(1));
}
}
}
/*
pub fn playing(&self) -> bool {
self.backend.read().unwrap().playing()
}
pub fn tracks(&self) -> Vec<TrackInfo> {
pub fn tracks(&self) -> Vec<TrackSpec> {
self.backend.read().unwrap().tracks()
}
@ -51,7 +100,7 @@ impl AudioControl {
self.backend.read().unwrap().stop()
}
pub fn add_track(&self, track: TrackInfo) -> Result<(), AudioError> {
pub fn add_track(&self, track: TrackSpec) -> Result<(), AudioError> {
self.backend.write().unwrap().add_track(track)
}
}
@ -59,27 +108,27 @@ impl AudioControl {
pub trait AudioControlBackend: Send + Sync {
fn playing(&self) -> bool;
fn tracks(&self) -> Vec<TrackInfo>;
fn tracks(&self) -> Vec<TrackSpec>;
fn play(&self) -> Result<(), AudioError>;
fn stop(&self) -> Result<(), AudioError>;
fn add_track(&mut self, track: TrackInfo) -> Result<(), AudioError>;
fn add_track(&mut self, track: TrackSpec) -> Result<(), AudioError>;
fn remove_track(&mut self, track: TrackInfo) -> Result<(), AudioError>;
fn remove_track(&mut self, track: TrackSpec) -> Result<(), AudioError>;
}
pub struct MemoryBackend {
playing: Arc<RwLock<bool>>,
tracks: HashSet<TrackInfo>,
tracks: HashMap<PathBuf, TrackSpec>,
}
impl Default for MemoryBackend {
fn default() -> Self {
Self {
playing: Arc::new(RwLock::new(false)),
tracks: HashSet::new(),
tracks: HashMap::new(),
}
}
}
@ -89,8 +138,11 @@ impl AudioControlBackend for MemoryBackend {
*self.playing.read().unwrap()
}
fn tracks(&self) -> Vec<TrackInfo> {
fn tracks(&self) -> Vec<TrackSpec> {
/*
self.tracks.iter().cloned().collect()
*/
vec![]
}
fn play(&self) -> Result<(), AudioError> {
@ -117,13 +169,17 @@ impl AudioControlBackend for MemoryBackend {
}
}
fn add_track(&mut self, track: TrackInfo) -> Result<(), AudioError> {
fn add_track(&mut self, track: TrackSpec) -> Result<(), AudioError> {
/*
self.tracks.insert(track);
*/
Ok(())
}
fn remove_track(&mut self, track: TrackInfo) -> Result<(), AudioError> {
fn remove_track(&mut self, track: TrackSpec) -> Result<(), AudioError> {
/*
self.tracks.remove(&track);
*/
Ok(())
}
}
@ -216,7 +272,7 @@ impl AudioControlBackend for GStreamerBackend {
*self.playing.read().unwrap()
}
fn tracks(&self) -> Vec<TrackInfo> {
fn tracks(&self) -> Vec<TrackSpec> {
vec![]
}
@ -242,7 +298,7 @@ impl AudioControlBackend for GStreamerBackend {
}
}
fn add_track(&mut self, track: TrackInfo) -> Result<(), AudioError> {
fn add_track(&mut self, track: TrackSpec) -> Result<(), AudioError> {
let source = gstreamer::ElementFactory::find("filesrc")
.unwrap()
.load()
@ -283,8 +339,9 @@ impl AudioControlBackend for GStreamerBackend {
Ok(())
}
fn remove_track(&mut self, _path: TrackInfo) -> Result<(), AudioError> {
fn remove_track(&mut self, _path: TrackSpec) -> Result<(), AudioError> {
unimplemented!()
/* Need to run EOS through to a probe on the trailing end of the volume element */
}
}
*/

58
gm-dash/server/src/main.rs
View File

@ -1,4 +1,4 @@
use std::{net::{Ipv6Addr, SocketAddrV6}, path::PathBuf};
use std::{net::{Ipv6Addr, SocketAddrV6}, path::PathBuf, sync::Arc};
use app::App;
use pipewire::{context::Context, main_loop::MainLoop};
@ -15,23 +15,23 @@ struct PlayTrackParams {
track_name: String,
}
async fn server_main(state: App) {
async fn server_main(app: Arc<App>) {
let localhost: Ipv6Addr = "::1".parse().unwrap();
let server_addr = SocketAddrV6::new(localhost, 3001, 0, 0);
let root = warp::path!().map(|| "ok".to_string());
let list_output_devices = warp::path!("output_devices").map({
let state = state.clone();
let app = app.clone();
move || {
let devices = state.audio_devices();
let devices = app.audio_devices();
serde_json::to_string(&devices).unwrap()
}
});
/*
let list_tracks = warp::path!("tracks").map({
let state = state.clone();
move || serde_json::to_string(&state.tracks()).unwrap()
let app = app.clone();
move || serde_json::to_string(&app.tracks()).unwrap()
});
*/
@ -39,9 +39,9 @@ async fn server_main(state: App) {
.and(warp::path!("playing"))
.and(warp::body::json())
.map({
let state = state.clone();
let app = app.clone();
move |params: PlayTrackParams| {
let _ = state.enable_track(PathBuf::from(params.track_name));
let _ = app.enable_track(PathBuf::from(params.track_name));
"".to_owned()
}
});
@ -50,32 +50,32 @@ async fn server_main(state: App) {
.and(warp::path!("playing"))
.and(warp::body::json())
.map({
let state = state.clone();
let app = app.clone();
move |params: PlayTrackParams| {
let _ = state.disable_track(&params.track_name);
let _ = app.disable_track(&params.track_name);
"".to_owned()
}
});
let play_all = warp::put().and(warp::path!("playing")).map({
let state = state.clone();
let app = app.clone();
move || {
let _ = state.play();
let _ = app.play();
"".to_owned()
}
});
let stop_all = warp::delete().and(warp::path!("playing")).map({
let state = state.clone();
let app = app.clone();
move || {
let _ = state.stop();
let _ = app.stop();
"".to_owned()
}
});
let now_playing = warp::path!("playing").map({
let state = state.clone();
move || serde_json::to_string(&state.playing()).unwrap()
let app = app.clone();
move || serde_json::to_string(&app.playing()).unwrap()
});
let routes = root
@ -90,15 +90,16 @@ async fn server_main(state: App) {
serve(routes).run(server_addr).await;
}
fn handle_add_audio_device(state: App, props: &pipewire::spa::utils::dict::DictRef) {
fn handle_add_audio_device(app: App, props: &pipewire::spa::utils::dict::DictRef) {
if props.get("media.class") == Some("Audio/Sink") {
if let Some(device_name) = props.get("node.description") {
state.add_audio(device_name.to_owned());
app.add_audio(device_name.to_owned());
}
}
}
fn pipewire_loop(state: App) -> Result<(), Box<dyn std::error::Error>> {
/*
fn pipewire_loop(app: App) -> Result<(), Box<dyn std::error::Error>> {
let mainloop = MainLoop::new(None)?;
let context = Context::new(&mainloop)?;
let core = context.connect(None)?;
@ -107,10 +108,10 @@ fn pipewire_loop(state: App) -> Result<(), Box<dyn std::error::Error>> {
let _listener = registry
.add_listener_local()
.global({
let state = state.clone();
let app = app.clone();
move |global_data| {
if let Some(props) = global_data.props {
handle_add_audio_device(state.clone(), props);
handle_add_audio_device(app.clone(), props);
}
}
})
@ -120,20 +121,29 @@ fn pipewire_loop(state: App) -> Result<(), Box<dyn std::error::Error>> {
Ok(())
}
*/
/*
fn pipewire_main(state: App) {
pipewire_loop(state).expect("pipewire should not error");
}
*/
#[tokio::main]
async fn main() {
gstreamer::init();
let state = App::default();
let (audio_control_tx, audio_control_rx) = tokio::sync::mpsc::channel(5);
let (audio_status_tx, audio_status_rx) = tokio::sync::mpsc::channel(5);
let app = Arc::new(App::new(audio_control_tx, audio_status_rx));
/*
spawn_blocking({
let state = state.clone();
let app = app.clone();
move || pipewire_main(state)
});
*/
server_main(state.clone()).await;
server_main(app.clone()).await;
}

63
gm-dash/server/src/types.rs
View File

@ -1,4 +1,4 @@
use std::path::PathBuf;
use std::{ops::Deref, path::PathBuf, time::Duration};
use thiserror::Error;
@ -10,7 +10,7 @@ pub enum AppError {
NoTracks,
#[error("Operation is invalid in the current state")]
InvalidState
InvalidState,
}
impl From<AudioError> for AppError {
@ -22,9 +22,64 @@ impl From<AudioError> for AppError {
}
}
#[derive(Clone, Debug, Hash, PartialEq, PartialOrd, Eq)]
pub struct TrackInfo {
#[derive(Clone, Debug, PartialEq, PartialOrd)]
pub struct TrackSpec {
pub path: PathBuf,
pub volume: Volume,
}
#[derive(Clone, Debug)]
pub struct Progress {
pub current: Duration,
pub length: Duration,
}
#[derive(Debug, Error, PartialEq)]
pub enum VolumeError {
#[error("The specified volume is out of range and must be between 0.0 and 1.0")]
OutOfRange,
}
#[derive(Clone, Copy, Debug, PartialEq, PartialOrd)]
pub struct Volume(f32);
impl TryFrom<f32> for Volume {
type Error = VolumeError;
fn try_from(val: f32) -> Result<Self, Self::Error> {
if val < 0. || val > 1. {
return Err(VolumeError::OutOfRange);
}
Ok(Self(val))
}
}
impl From<Volume> for f32 {
fn from(val: Volume) -> f32 {
val.0
}
}
#[derive(Clone, Debug)]
pub enum AudioControlMessage {
Play,
Pause,
EnableTrack(TrackSpec),
DisableTrack(PathBuf),
ReportStatus,
}
#[derive(Clone, Debug)]
pub struct TrackInfo {
pub path: PathBuf,
pub volume: Volume,
pub progress: Progress,
}
#[derive(Debug)]
pub enum AudioStatusMessage {
Playing,
Pausing,
Status(Vec<TrackInfo>),
AudioError(AudioError),
}