diff options
-rw-r--r-- | client-native-lib/src/instance.rs | 15 | ||||
-rw-r--r-- | client-native-lib/src/lib.rs | 23 | ||||
-rw-r--r-- | client-native-lib/src/peer.rs | 41 | ||||
-rw-r--r-- | client-native-rift/src/main.rs | 104 |
4 files changed, 141 insertions, 42 deletions
diff --git a/client-native-lib/src/instance.rs b/client-native-lib/src/instance.rs index b3688c3..cd720f1 100644 --- a/client-native-lib/src/instance.rs +++ b/client-native-lib/src/instance.rs @@ -18,7 +18,7 @@ use tokio::sync::RwLock; use webrtc::api::API; pub struct Instance { - pub event_handler: Box<dyn EventHandler>, + pub event_handler: Arc<dyn EventHandler>, pub conn: SignalingConnection, pub config: Config, pub api: API, @@ -28,7 +28,7 @@ pub struct Instance { pub peers: RwLock<HashMap<usize, Arc<Peer>>>, } impl Instance { - pub async fn new(config: Config, event_handler: Box<dyn EventHandler>) -> Arc<Self> { + pub async fn new(config: Config, event_handler: Arc<dyn EventHandler>) -> Arc<Self> { let conn = signaling::SignalingConnection::new(&config.signaling_uri, &config.secret).await; let key = crypto::Key::derive(&config.secret); @@ -72,16 +72,13 @@ impl Instance { username: self.config.username.clone(), }) .await; + self.event_handler.peer_join(peer).await; } } protocol::ClientboundPacket::ClientLeave { id } => { - self.peers - .write() - .await - .remove(&id) - .unwrap() - .on_leave() - .await; + let peer = self.peers.write().await.remove(&id).unwrap(); + peer.on_leave().await; + self.event_handler.peer_leave(peer).await; } protocol::ClientboundPacket::Message { sender, message } => { let message = self.key.decrypt(&message); diff --git a/client-native-lib/src/lib.rs b/client-native-lib/src/lib.rs index 27c0595..7a0d0d0 100644 --- a/client-native-lib/src/lib.rs +++ b/client-native-lib/src/lib.rs @@ -10,9 +10,9 @@ use std::{pin::Pin, sync::Arc}; use futures_util::Future; -use peer::Peer; -use protocol::ProvideInfo; use instance::Instance; +use peer::{Peer, TransportChannel}; +use protocol::ProvideInfo; use tokio::sync::RwLock; use webrtc::{ api::{ @@ -22,10 +22,10 @@ use webrtc::{ }; pub mod crypto; +pub mod instance; pub mod peer; pub mod protocol; pub mod signaling; -pub mod instance; pub use webrtc; @@ -46,17 +46,22 @@ pub(crate) fn build_api() -> webrtc::api::API { .build() } +pub type DynFut<T> = Pin<Box<dyn Future<Output = T> + Send>>; + pub trait LocalResource: Send + Sync + 'static { fn info(&self) -> ProvideInfo; - fn on_request(&self, peer: Arc<Peer>) -> Box<dyn Future<Output = ()>>; + fn on_request(&self, peer: Arc<Peer>) -> DynFut<()>; } pub trait EventHandler: Send + Sync + 'static { - fn remote_resource_added( + fn peer_join(&self, peer: Arc<Peer>) -> DynFut<()>; + fn peer_leave(&self, peer: Arc<Peer>) -> DynFut<()>; + fn resource_added(&self, peer: Arc<Peer>, info: ProvideInfo) -> DynFut<()>; + fn resource_removed(&self, peer: Arc<Peer>, id: String) -> DynFut<()>; + fn resource_connected( &self, peer: Arc<Peer>, - info: ProvideInfo, - ) -> Pin<Box<dyn Future<Output = ()>>>; - fn remote_resource_removed(&self, peer: Arc<Peer>, id: String) - -> Pin<Box<dyn Future<Output = ()>>>; + resource: &ProvideInfo, + channel: TransportChannel, + ) -> DynFut<()>; } diff --git a/client-native-lib/src/peer.rs b/client-native-lib/src/peer.rs index b6ecf55..36b1754 100644 --- a/client-native-lib/src/peer.rs +++ b/client-native-lib/src/peer.rs @@ -7,11 +7,12 @@ use crate::{ instance::Instance, protocol::{self, ProvideInfo, RelayMessage, Sdp}, }; -use log::info; +use log::{info, warn}; use std::{collections::HashMap, sync::Arc}; use tokio::sync::RwLock; use webrtc::{ data::data_channel::DataChannel, + data_channel::RTCDataChannel, ice_transport::{ ice_candidate::{RTCIceCandidate, RTCIceCandidateInit}, ice_server::RTCIceServer, @@ -41,10 +42,10 @@ pub struct Peer { // Connected(Arc<TransportChannel>), // AwaitDisconnect, // } -// pub enum TransportChannel { -// Track(TrackRemote), -// DataChannel(DataChannel), -// } +pub enum TransportChannel { + Track(Arc<TrackRemote>), + DataChannel(Arc<RTCDataChannel>), +} impl Peer { pub async fn create(inst: Arc<Instance>, id: usize) -> Arc<Self> { @@ -96,14 +97,30 @@ impl Peer { } { + let weak = Arc::<Peer>::downgrade(&peer); peer.peer_connection .on_data_channel(box move |dc| { - info!("got a data channel"); + let peer = weak.upgrade().unwrap(); Box::pin(async move { - dc.on_message(box move |message| { - Box::pin(async move { println!("{:?}", message.data) }) - }) - .await + if let Some(res) = peer + .resources_provided + .read() + .await + .get(&dc.label().to_string()) + { + info!("data channel for ({:?}) '{:?}'", res.id, res.label); + peer.inst + .event_handler + .resource_connected( + peer.clone(), + res, + TransportChannel::DataChannel(dc), + ) + .await; + } else { + warn!("got unassociated data channel; closed connection"); + dc.close().await; + } }) }) .await; @@ -138,7 +155,7 @@ impl Peer { .insert(info.id.clone(), info.clone()); self.inst .event_handler - .remote_resource_added(self.clone(), info) + .resource_added(self.clone(), info) .await; } RelayMessage::ProvideStop { id } => { @@ -146,7 +163,7 @@ impl Peer { self.resources_provided.write().await.remove(&id); self.inst .event_handler - .remote_resource_removed(self.clone(), id) + .resource_removed(self.clone(), id) .await; } _ => (), diff --git a/client-native-rift/src/main.rs b/client-native-rift/src/main.rs index 613a4e6..8ccb7d8 100644 --- a/client-native-rift/src/main.rs +++ b/client-native-rift/src/main.rs @@ -8,9 +8,13 @@ use bytes::Bytes; use clap::{Parser, Subcommand}; use client_native_lib::{ - instance::Instance, peer::Peer, webrtc::data_channel::RTCDataChannel, Config, EventHandler, + instance::Instance, + peer::{Peer, TransportChannel}, + protocol::ProvideInfo, + webrtc::data_channel::RTCDataChannel, + Config, DynFut, EventHandler, LocalResource, }; -use log::{error, info}; +use log::{error, info, warn}; use std::{future::Future, pin::Pin, sync::Arc}; use tokio::{ fs::File, @@ -30,7 +34,7 @@ fn main() { .block_on(run()) } -#[derive(Parser)] +#[derive(Parser, Clone)] pub struct Args { /// keks-meet server used for establishing p2p connection #[clap(long, default_value = "wss://meet.metamuffin.org")] @@ -54,7 +58,9 @@ async fn run() { signaling_uri: args.signaling_uri.clone(), username: args.username.clone(), }, - Box::new(Handler {}), + Arc::new(Handler { + args: Arc::new(args.clone()), + }), ) .await; @@ -64,30 +70,91 @@ async fn run() { error!("interrupt received, exiting"); } -struct Handler {} +#[derive(Clone)] +struct Handler { + args: Arc<Args>, +} impl EventHandler for Handler { - fn remote_resource_added( + fn peer_join(&self, peer: Arc<Peer>) -> client_native_lib::DynFut<()> { + Box::pin(async move {}) + } + + fn peer_leave(&self, peer: Arc<Peer>) -> client_native_lib::DynFut<()> { + Box::pin(async move {}) + } + fn resource_added( &self, peer: Arc<Peer>, info: client_native_lib::protocol::ProvideInfo, - ) -> Pin<Box<dyn Future<Output = ()>>> { + ) -> DynFut<()> { let id = info.id.clone(); Box::pin(async move { peer.request_resource(id).await; }) } + fn resource_removed(&self, peer: Arc<Peer>, id: String) -> DynFut<()> { + Box::pin(async {}) + } - fn remote_resource_removed( + fn resource_connected( &self, peer: Arc<Peer>, - id: String, - ) -> Pin<Box<dyn Future<Output = ()>>> { - Box::pin(async {}) + resource: &ProvideInfo, + channel: TransportChannel, + ) -> client_native_lib::DynFut<()> { + let resource = resource.clone(); + let s = self.clone(); + Box::pin(async move { + match channel { + TransportChannel::Track(_) => warn!("wrong type"), + TransportChannel::DataChannel(dc) => { + if resource.kind != "file" { + return error!("we got a non-file resource for some reason…"); + } + let writer = Arc::new(RwLock::new(None)); + { + let writer = writer.clone(); + dc.on_open(box move || { + let s = s.clone(); + let writer = writer.clone(); + Box::pin(async move { + info!("channel opened"); + *writer.write().await = Some(s.args.action.create_writer().await) + }) + }) + .await; + } + { + let writer = writer.clone(); + dc.on_close(box move || { + let writer = writer.clone(); + Box::pin(async move { + info!("channel closed"); + *writer.write().await = None; + }) + }) + .await; + } + dc.on_message(box move |mesg| { + Box::pin(async move { + info!("{:?} bytes of data", mesg.data.len()); + }) + }) + .await; + dc.on_error(box move |err| { + Box::pin(async move { + error!("data channel errored: {err}"); + }) + }) + .await; + } + } + }) } } -#[derive(Subcommand)] +#[derive(Subcommand, Clone)] pub enum Action { /// Send a file Send { filename: Option<String> }, @@ -122,6 +189,19 @@ impl Action { } } +struct FileSender { + info: ProvideInfo, +} +impl LocalResource for FileSender { + fn info(&self) -> client_native_lib::protocol::ProvideInfo { + self.info.clone() + } + + fn on_request(&self, peer: Arc<Peer>) -> DynFut<()> { + Box::pin(async move {}) + } +} + // pub struct Conn { // pub args: Arc<Args>, // } |