Migrate librespot-connect to tokio 1.0

This commit is contained in:
johannesd3 2021-02-20 00:17:18 +01:00 committed by Johannes Dertmann
parent afacaea15f
commit daf7ecd23a
7 changed files with 478 additions and 370 deletions

323
Cargo.lock generated
View file

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"webpki-roots",
]
@ -2854,12 +3009,12 @@ dependencies = [
[[package]]
name = "url"
version = "2.2.0"
version = "2.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5909f2b0817350449ed73e8bcd81c8c3c8d9a7a5d8acba4b27db277f1868976e"
checksum = "9ccd964113622c8e9322cfac19eb1004a07e636c545f325da085d5cdde6f1f8b"
dependencies = [
"form_urlencoded",
"idna 0.2.1",
"idna 0.2.2",
"matches",
"percent-encoding 2.1.0",
]

View file

@ -24,9 +24,9 @@ path = "src/lib.rs"
path = "audio"
version = "0.1.3"
# [dependencies.librespot-connect]
# path = "connect"
# version = "0.1.3"
[dependencies.librespot-connect]
path = "connect"
version = "0.1.3"
[dependencies.librespot-core]
path = "core"

View file

@ -19,8 +19,8 @@ version = "0.1.3"
[dependencies]
base64 = "0.13"
futures = "0.1"
hyper = "0.12"
futures = "0.3"
hyper = { version = "0.14", features = ["server", "http1"] }
log = "0.4"
num-bigint = "0.3"
protobuf = "~2.14.0"
@ -28,7 +28,7 @@ rand = "0.7"
serde = "1.0"
serde_derive = "1.0"
serde_json = "1.0"
tokio = "0.1"
tokio = { version = "1.0", features = ["macros"] }
url = "1.7"
sha-1 = "0.8"
hmac = "0.7"
@ -36,7 +36,7 @@ aes-ctr = "0.3"
block-modes = "0.3"
dns-sd = { version = "0.1.3", optional = true }
libmdns = { version = "0.2.7", optional = true }
libmdns = { version = "0.6", optional = true }
[features]

View file

@ -2,15 +2,17 @@ use aes_ctr::stream_cipher::generic_array::GenericArray;
use aes_ctr::stream_cipher::{NewStreamCipher, SyncStreamCipher};
use aes_ctr::Aes128Ctr;
use base64;
use futures::sync::mpsc;
use futures::{Future, Poll, Stream};
use futures::channel::mpsc;
use futures::{Stream, StreamExt};
use hmac::{Hmac, Mac};
use hyper::{
self, server::conn::Http, service::Service, Body, Method, Request, Response, StatusCode,
};
use hyper::service::{make_service_fn, service_fn};
use hyper::{Body, Method, Request, Response, StatusCode};
use sha1::{Digest, Sha1};
use std::borrow::Cow;
use std::net::{Ipv4Addr, SocketAddr};
use std::task::{Context, Poll};
#[cfg(feature = "with-dns-sd")]
use dns_sd::DNSService;
@ -21,8 +23,8 @@ use num_bigint::BigUint;
use rand;
use std::collections::BTreeMap;
use std::io;
use std::pin::Pin;
use std::sync::Arc;
use tokio::runtime::current_thread::Handle;
use url;
use librespot_core::authentication::Credentials;
@ -63,13 +65,8 @@ impl Discovery {
(discovery, rx)
}
}
impl Discovery {
fn handle_get_info(
&self,
_params: &BTreeMap<String, String>,
) -> ::futures::Finished<Response<hyper::Body>, hyper::Error> {
fn handle_get_info(&self, _: BTreeMap<Cow<'_, str>, Cow<'_, str>>) -> Response<hyper::Body> {
let public_key = self.0.public_key.to_bytes_be();
let public_key = base64::encode(&public_key);
@ -93,20 +90,20 @@ impl Discovery {
});
let body = result.to_string();
::futures::finished(Response::new(Body::from(body)))
Response::new(Body::from(body))
}
fn handle_add_user(
&self,
params: &BTreeMap<String, String>,
) -> ::futures::Finished<Response<hyper::Body>, hyper::Error> {
let username = params.get("userName").unwrap();
params: BTreeMap<Cow<'_, str>, Cow<'_, str>>,
) -> Response<hyper::Body> {
let username = params.get("userName").unwrap().as_ref();
let encrypted_blob = params.get("blob").unwrap();
let client_key = params.get("clientKey").unwrap();
let encrypted_blob = base64::decode(encrypted_blob).unwrap();
let encrypted_blob = base64::decode(encrypted_blob.as_bytes()).unwrap();
let client_key = base64::decode(client_key).unwrap();
let client_key = base64::decode(client_key.as_bytes()).unwrap();
let client_key = BigUint::from_bytes_be(&client_key);
let shared_key = util::powm(&client_key, &self.0.private_key, &DH_PRIME);
@ -141,7 +138,7 @@ impl Discovery {
});
let body = result.to_string();
return ::futures::finished(Response::new(Body::from(body)));
return Response::new(Body::from(body));
}
let decrypted = {
@ -155,7 +152,7 @@ impl Discovery {
};
let credentials =
Credentials::with_blob(username.to_owned(), &decrypted, &self.0.device_id);
Credentials::with_blob(username.to_string(), &decrypted, &self.0.device_id);
self.0.tx.unbounded_send(credentials).unwrap();
@ -166,52 +163,39 @@ impl Discovery {
});
let body = result.to_string();
return ::futures::finished(Response::new(Body::from(body)));
Response::new(Body::from(body))
}
fn not_found(&self) -> ::futures::Finished<Response<hyper::Body>, hyper::Error> {
fn not_found(&self) -> Response<hyper::Body> {
let mut res = Response::default();
*res.status_mut() = StatusCode::NOT_FOUND;
::futures::finished(res)
res
}
}
impl Service for Discovery {
type ReqBody = Body;
type ResBody = Body;
type Error = hyper::Error;
type Future = Box<dyn Future<Item = Response<(Self::ResBody)>, Error = hyper::Error> + Send>;
fn call(&mut self, request: Request<(Self::ReqBody)>) -> Self::Future {
async fn call(self, request: Request<Body>) -> hyper::Result<Response<Body>> {
let mut params = BTreeMap::new();
let (parts, body) = request.into_parts();
if let Some(query) = parts.uri.query() {
params.extend(url::form_urlencoded::parse(query.as_bytes()).into_owned());
let query_params = url::form_urlencoded::parse(query.as_bytes());
params.extend(query_params);
}
if parts.method != Method::GET {
debug!("{:?} {:?} {:?}", parts.method, parts.uri.path(), params);
}
let this = self.clone();
Box::new(
body.fold(Vec::new(), |mut acc, chunk| {
acc.extend_from_slice(chunk.as_ref());
Ok::<_, hyper::Error>(acc)
})
.map(move |body| {
params.extend(url::form_urlencoded::parse(&body).into_owned());
params
})
.and_then(move |params| {
match (parts.method, params.get("action").map(AsRef::as_ref)) {
(Method::GET, Some("getInfo")) => this.handle_get_info(&params),
(Method::POST, Some("addUser")) => this.handle_add_user(&params),
_ => this.not_found(),
}
}),
let body = hyper::body::to_bytes(body).await?;
params.extend(url::form_urlencoded::parse(&body));
Ok(
match (parts.method, params.get("action").map(AsRef::as_ref)) {
(Method::GET, Some("getInfo")) => self.handle_get_info(params),
(Method::POST, Some("addUser")) => self.handle_add_user(params),
_ => self.not_found(),
},
)
}
}
@ -229,39 +213,25 @@ pub struct DiscoveryStream {
}
pub fn discovery(
handle: &Handle,
config: ConnectConfig,
device_id: String,
port: u16,
) -> io::Result<DiscoveryStream> {
let (discovery, creds_rx) = Discovery::new(config.clone(), device_id);
let serve = {
let http = Http::new();
http.serve_addr(&format!("0.0.0.0:{}", port).parse().unwrap(), move || {
Ok(discovery.clone())
})
.unwrap()
};
let address = SocketAddr::new(Ipv4Addr::UNSPECIFIED.into(), port);
let s_port = serve.incoming_ref().local_addr().port();
let make_service = make_service_fn(move |_| {
let discovery = discovery.clone();
async move { Ok::<_, hyper::Error>(service_fn(move |request| discovery.clone().call(request))) }
});
let server = hyper::Server::bind(&address).serve(make_service);
let s_port = server.local_addr().port();
debug!("Zeroconf server listening on 0.0.0.0:{}", s_port);
let server_future = {
let handle = handle.clone();
serve
.for_each(
move |connecting: hyper::server::conn::Connecting<
hyper::server::conn::AddrStream,
futures::Failed<_, hyper::Error>,
>| {
handle.spawn(connecting.flatten().then(|_| Ok(()))).unwrap();
Ok(())
},
)
.then(|_| Ok(()))
};
handle.spawn(server_future).unwrap();
tokio::spawn(server);
#[cfg(feature = "with-dns-sd")]
let svc = DNSService::register(
@ -275,7 +245,7 @@ pub fn discovery(
.unwrap();
#[cfg(not(feature = "with-dns-sd"))]
let responder = libmdns::Responder::spawn(&handle)?;
let responder = libmdns::Responder::spawn(&tokio::runtime::Handle::current())?;
#[cfg(not(feature = "with-dns-sd"))]
let svc = responder.register(
@ -293,9 +263,8 @@ pub fn discovery(
impl Stream for DiscoveryStream {
type Item = Credentials;
type Error = ();
fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
self.credentials.poll()
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
self.credentials.poll_next_unpin(cx)
}
}

View file

@ -1,19 +1,15 @@
use std;
use std::pin::Pin;
use std::time::{SystemTime, UNIX_EPOCH};
use futures::future;
use futures::sync::mpsc;
use futures::{Async, Future, Poll, Sink, Stream};
use protobuf::{self, Message};
use rand;
use rand::seq::SliceRandom;
use serde_json;
use crate::context::StationContext;
use crate::playback::mixer::Mixer;
use crate::playback::player::{Player, PlayerEvent, PlayerEventChannel};
use crate::protocol;
use crate::protocol::spirc::{DeviceState, Frame, MessageType, PlayStatus, State, TrackRef};
use futures::channel::mpsc;
use futures::future::{self, FusedFuture};
use futures::stream::FusedStream;
use futures::{Future, FutureExt, Sink, SinkExt, StreamExt};
use librespot_core::config::{ConnectConfig, VolumeCtrl};
use librespot_core::mercury::MercuryError;
use librespot_core::session::Session;
@ -21,6 +17,10 @@ use librespot_core::spotify_id::{SpotifyAudioType, SpotifyId, SpotifyIdError};
use librespot_core::util::url_encode;
use librespot_core::util::SeqGenerator;
use librespot_core::version;
use protobuf::{self, Message};
use rand;
use rand::seq::SliceRandom;
use serde_json;
enum SpircPlayStatus {
Stopped,
@ -40,7 +40,11 @@ enum SpircPlayStatus {
},
}
pub struct SpircTask {
type BoxedFuture<T> = Pin<Box<dyn FusedFuture<Output = T> + Send>>;
type BoxedStream<T> = Pin<Box<dyn FusedStream<Item = T> + Send>>;
type BoxedSink<T, E> = Pin<Box<dyn Sink<T, Error = E> + Send>>;
struct SpircTask {
player: Player,
mixer: Box<dyn Mixer>,
config: SpircTaskConfig,
@ -54,15 +58,16 @@ pub struct SpircTask {
mixer_started: bool,
play_status: SpircPlayStatus,
subscription: Box<dyn Stream<Item = Frame, Error = MercuryError>>,
sender: Box<dyn Sink<SinkItem = Frame, SinkError = MercuryError>>,
sender_flushed: bool,
subscription: BoxedStream<Frame>,
sender: BoxedSink<Frame, MercuryError>,
commands: mpsc::UnboundedReceiver<SpircCommand>,
player_events: PlayerEventChannel,
shutdown: bool,
session: Session,
context_fut: Box<dyn Future<Item = serde_json::Value, Error = MercuryError>>,
autoplay_fut: Box<dyn Future<Item = String, Error = MercuryError>>,
context_fut: BoxedFuture<Result<serde_json::Value, MercuryError>>,
autoplay_fut: BoxedFuture<Result<String, MercuryError>>,
context: Option<StationContext>,
}
@ -246,7 +251,7 @@ impl Spirc {
session: Session,
player: Player,
mixer: Box<dyn Mixer>,
) -> (Spirc, SpircTask) {
) -> (Spirc, impl Future<Output = ()>) {
debug!("new Spirc[{}]", session.session_id());
let ident = session.device_id().to_owned();
@ -255,20 +260,23 @@ impl Spirc {
debug!("canonical_username: {}", url_encode(&session.username()));
let uri = format!("hm://remote/user/{}/", url_encode(&session.username()));
let subscription = session.mercury().subscribe(&uri as &str);
let subscription = subscription
.map(|stream| stream.map_err(|_| MercuryError))
.flatten_stream();
let subscription = Box::new(subscription.map(|response| -> Frame {
let data = response.payload.first().unwrap();
protobuf::parse_from_bytes(data).unwrap()
}));
let subscription = Box::pin(
session
.mercury()
.subscribe(uri.clone())
.map(Result::unwrap)
.flatten_stream()
.map(|response| -> Frame {
let data = response.payload.first().unwrap();
protobuf::parse_from_bytes(data).unwrap()
}),
);
let sender = Box::new(
let sender = Box::pin(
session
.mercury()
.sender(uri)
.with(|frame: Frame| Ok(frame.write_to_bytes().unwrap())),
.with(|frame: Frame| future::ready(Ok(frame.write_to_bytes().unwrap()))),
);
let (cmd_tx, cmd_rx) = mpsc::unbounded();
@ -303,11 +311,12 @@ impl Spirc {
commands: cmd_rx,
player_events: player_events,
sender_flushed: true,
shutdown: false,
session: session.clone(),
session: session,
context_fut: Box::new(future::empty()),
autoplay_fut: Box::new(future::empty()),
context_fut: Box::pin(future::pending()),
autoplay_fut: Box::pin(future::pending()),
context: None,
};
@ -317,7 +326,7 @@ impl Spirc {
task.hello();
(spirc, task)
(spirc, task.run())
}
pub fn play(&self) {
@ -346,114 +355,80 @@ impl Spirc {
}
}
impl Future for SpircTask {
type Item = ();
type Error = ();
fn poll(&mut self) -> Poll<(), ()> {
loop {
let mut progress = false;
if self.session.is_invalid() {
return Ok(Async::Ready(()));
}
if !self.shutdown {
match self.subscription.poll().unwrap() {
Async::Ready(Some(frame)) => {
progress = true;
self.handle_frame(frame);
}
Async::Ready(None) => {
impl SpircTask {
async fn run(mut self) {
while !self.session.is_invalid() && !self.shutdown {
tokio::select! {
frame = self.subscription.next() => match frame {
Some(frame) => self.handle_frame(frame),
None => {
error!("subscription terminated");
self.shutdown = true;
self.commands.close();
break;
}
Async::NotReady => (),
}
match self.commands.poll().unwrap() {
Async::Ready(Some(command)) => {
progress = true;
self.handle_command(command);
},
cmd = self.commands.next(), if !self.commands.is_terminated() => if let Some(cmd) = cmd {
self.handle_command(cmd);
},
event = self.player_events.next(), if !self.player_events.is_terminated() => if let Some(event) = event {
self.handle_player_event(event)
},
result = self.sender.flush(), if !self.sender_flushed => {
if result.is_err() {
error!("Cannot flush spirc event sender.");
break;
}
Async::Ready(None) => (),
Async::NotReady => (),
}
match self.player_events.poll() {
Ok(Async::NotReady) => (),
Ok(Async::Ready(None)) => (),
Err(_) => (),
Ok(Async::Ready(Some(event))) => {
progress = true;
self.handle_player_event(event);
self.sender_flushed = true;
},
context = &mut self.context_fut, if !self.context_fut.is_terminated() => {
match context {
Ok(value) => {
let r_context = serde_json::from_value::<StationContext>(value);
self.context = match r_context {
Ok(context) => {
info!(
"Resolved {:?} tracks from <{:?}>",
context.tracks.len(),
self.state.get_context_uri(),
);
Some(context)
}
Err(e) => {
error!("Unable to parse JSONContext {:?}", e);
None
}
};
// It needn't be so verbose - can be as simple as
// if let Some(ref context) = r_context {
// info!("Got {:?} tracks from <{}>", context.tracks.len(), context.uri);
// }
// self.context = r_context;
},
Err(err) => {
error!("ContextError: {:?}", err)
}
}
}
// TODO: Refactor
match self.context_fut.poll() {
Ok(Async::Ready(value)) => {
let r_context = serde_json::from_value::<StationContext>(value.clone());
self.context = match r_context {
Ok(context) => {
info!(
"Resolved {:?} tracks from <{:?}>",
context.tracks.len(),
self.state.get_context_uri(),
);
Some(context)
}
Err(e) => {
error!("Unable to parse JSONContext {:?}\n{:?}", e, value);
None
}
};
// It needn't be so verbose - can be as simple as
// if let Some(ref context) = r_context {
// info!("Got {:?} tracks from <{}>", context.tracks.len(), context.uri);
// }
// self.context = r_context;
progress = true;
self.context_fut = Box::new(future::empty());
},
autoplay = &mut self.autoplay_fut, if !self.autoplay_fut.is_terminated() => {
match autoplay {
Ok(autoplay_station_uri) => {
info!("Autoplay uri resolved to <{:?}>", autoplay_station_uri);
self.context_fut = self.resolve_station(&autoplay_station_uri);
},
Err(err) => {
error!("AutoplayError: {:?}", err)
}
}
Ok(Async::NotReady) => (),
Err(err) => {
self.context_fut = Box::new(future::empty());
error!("ContextError: {:?}", err)
}
}
match self.autoplay_fut.poll() {
Ok(Async::Ready(autoplay_station_uri)) => {
info!("Autoplay uri resolved to <{:?}>", autoplay_station_uri);
self.context_fut = self.resolve_station(&autoplay_station_uri);
progress = true;
self.autoplay_fut = Box::new(future::empty());
}
Ok(Async::NotReady) => (),
Err(err) => {
self.autoplay_fut = Box::new(future::empty());
error!("AutoplayError: {:?}", err)
}
}
}
let poll_sender = self.sender.poll_complete().unwrap();
// Only shutdown once we've flushed out all our messages
if self.shutdown && poll_sender.is_ready() {
return Ok(Async::Ready(()));
}
if !progress {
return Ok(Async::NotReady);
},
else => break
}
}
}
}
impl SpircTask {
if self.sender.close().await.is_err() {
warn!("Cannot close spirc event sender.");
}
}
fn now_ms(&mut self) -> i64 {
let dur = match SystemTime::now().duration_since(UNIX_EPOCH) {
Ok(dur) => dur,
@ -1060,52 +1035,53 @@ impl SpircTask {
}
}
fn resolve_station(
&self,
uri: &str,
) -> Box<dyn Future<Item = serde_json::Value, Error = MercuryError>> {
fn resolve_station(&self, uri: &str) -> BoxedFuture<Result<serde_json::Value, MercuryError>> {
let radio_uri = format!("hm://radio-apollo/v3/stations/{}", uri);
self.resolve_uri(&radio_uri)
}
fn resolve_autoplay_uri(
&self,
uri: &str,
) -> Box<dyn Future<Item = String, Error = MercuryError>> {
fn resolve_autoplay_uri(&self, uri: &str) -> BoxedFuture<Result<String, MercuryError>> {
let query_uri = format!("hm://autoplay-enabled/query?uri={}", uri);
let request = self.session.mercury().get(query_uri);
Box::new(request.and_then(move |response| {
if response.status_code == 200 {
Box::pin(
async {
let response = request.await?;
if response.status_code == 200 {
let data = response
.payload
.first()
.expect("Empty autoplay uri")
.to_vec();
let autoplay_uri = String::from_utf8(data).unwrap();
Ok(autoplay_uri)
} else {
warn!("No autoplay_uri found");
Err(MercuryError)
}
}
.fuse(),
)
}
fn resolve_uri(&self, uri: &str) -> BoxedFuture<Result<serde_json::Value, MercuryError>> {
let request = self.session.mercury().get(uri);
Box::pin(
async move {
let response = request.await?;
let data = response
.payload
.first()
.expect("Empty autoplay uri")
.to_vec();
let autoplay_uri = String::from_utf8(data).unwrap();
Ok(autoplay_uri)
} else {
warn!("No autoplay_uri found");
Err(MercuryError)
.expect("Empty payload on context uri");
let response: serde_json::Value = serde_json::from_slice(&data).unwrap();
Ok(response)
}
}))
}
fn resolve_uri(
&self,
uri: &str,
) -> Box<dyn Future<Item = serde_json::Value, Error = MercuryError>> {
let request = self.session.mercury().get(uri);
Box::new(request.and_then(move |response| {
let data = response
.payload
.first()
.expect("Empty payload on context uri");
let response: serde_json::Value = serde_json::from_slice(&data).unwrap();
Ok(response)
}))
.fuse(),
)
}
fn update_tracks_from_context(&mut self) {
@ -1344,8 +1320,14 @@ impl<'a> CommandSender<'a> {
if !self.frame.has_state() && self.spirc.device.get_is_active() {
self.frame.set_state(self.spirc.state.clone());
}
let sender = &mut self.spirc.sender;
let send = self.spirc.sender.start_send(self.frame).unwrap();
assert!(send.is_ready());
future::poll_fn(|cx| sender.as_mut().poll_ready(cx))
.now_or_never()
.unwrap()
.unwrap();
sender.as_mut().start_send(self.frame).unwrap();
self.spirc.sender_flushed = false;
}
}

View file

@ -102,46 +102,48 @@ impl MercuryManager {
MercurySender::new(self.clone(), uri.into())
}
pub async fn subscribe<T: Into<String>>(
pub fn subscribe<T: Into<String>>(
&self,
uri: T,
) -> Result<mpsc::UnboundedReceiver<MercuryResponse>, MercuryError> {
) -> impl Future<Output = Result<mpsc::UnboundedReceiver<MercuryResponse>, MercuryError>> + 'static
{
let uri = uri.into();
let response = self
.request(MercuryRequest {
method: MercuryMethod::SUB,
uri: uri.clone(),
content_type: None,
payload: Vec::new(),
})
.await?;
let (tx, rx) = mpsc::unbounded();
let manager = self.clone();
manager.lock(move |inner| {
if !inner.invalid {
debug!("subscribed uri={} count={}", uri, response.payload.len());
if !response.payload.is_empty() {
// Old subscription protocol, watch the provided list of URIs
for sub in response.payload {
let mut sub: protocol::pubsub::Subscription =
protobuf::parse_from_bytes(&sub).unwrap();
let sub_uri = sub.take_uri();
debug!("subscribed sub_uri={}", sub_uri);
inner.subscriptions.push((sub_uri, tx.clone()));
}
} else {
// New subscription protocol, watch the requested URI
inner.subscriptions.push((uri, tx));
}
}
let request = self.request(MercuryRequest {
method: MercuryMethod::SUB,
uri: uri.clone(),
content_type: None,
payload: Vec::new(),
});
Ok(rx)
let manager = self.clone();
async move {
let response = request.await?;
let (tx, rx) = mpsc::unbounded();
manager.lock(move |inner| {
if !inner.invalid {
debug!("subscribed uri={} count={}", uri, response.payload.len());
if !response.payload.is_empty() {
// Old subscription protocol, watch the provided list of URIs
for sub in response.payload {
let mut sub: protocol::pubsub::Subscription =
protobuf::parse_from_bytes(&sub).unwrap();
let sub_uri = sub.take_uri();
debug!("subscribed sub_uri={}", sub_uri);
inner.subscriptions.push((sub_uri, tx.clone()));
}
} else {
// New subscription protocol, watch the requested URI
inner.subscriptions.push((uri, tx));
}
}
});
Ok(rx)
}
}
pub(crate) fn dispatch(&self, cmd: u8, mut data: Bytes) {

View file

@ -1,7 +1,7 @@
#![crate_name = "librespot"]
pub extern crate librespot_audio as audio;
// pub extern crate librespot_connect as connect;
pub extern crate librespot_connect as connect;
pub extern crate librespot_core as core;
pub extern crate librespot_metadata as metadata;
pub extern crate librespot_playback as playback;