108 lines
2.9 KiB
Rust
108 lines
2.9 KiB
Rust
pub use iced_core as core;
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pub use iced_style as style;
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pub mod client;
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pub mod timing;
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use crate::style::theme;
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use crate::timing::Timing;
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use futures::future;
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use futures::stream::{self, Stream, StreamExt};
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use semver::Version;
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use serde::{Deserialize, Serialize};
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use tokio::io::{self, AsyncReadExt, BufStream};
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use tokio::net;
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pub const SOCKET_ADDRESS: &str = "127.0.0.1:9167";
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub enum Input {
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Connected(Version),
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TimingMeasured(Timing),
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ThemeChanged(theme::Palette),
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}
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#[derive(Debug, Clone)]
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pub enum Event {
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Connected(Version),
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Disconnected,
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TimingMeasured(Timing),
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ThemeChanged(theme::Palette),
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}
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pub fn run() -> impl Stream<Item = Event> {
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enum State {
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Disconnected,
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Connected(BufStream<net::TcpStream>),
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}
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stream::unfold(State::Disconnected, |state| async {
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match state {
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State::Disconnected => match connect().await {
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Ok(stream) => {
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let stream = BufStream::new(stream);
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Some((None, State::Connected(stream)))
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}
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Err(_error) => Some((None, State::Disconnected)),
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},
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State::Connected(stream) => match receive(stream).await {
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Ok((_, Event::Disconnected)) | Err(_) => {
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Some((Some(Event::Disconnected), State::Disconnected))
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}
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Ok((stream, message)) => {
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Some((Some(message), State::Connected(stream)))
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}
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},
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}
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})
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.filter_map(future::ready)
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}
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async fn connect() -> Result<net::TcpStream, io::Error> {
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let listener = net::TcpListener::bind(SOCKET_ADDRESS).await?;
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let (stream, _) = listener.accept().await?;
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stream.set_nodelay(true)?;
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stream.readable().await?;
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Ok(stream)
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}
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async fn receive(
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mut stream: BufStream<net::TcpStream>,
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) -> Result<(BufStream<net::TcpStream>, Event), io::Error> {
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let mut bytes = Vec::new();
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loop {
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let size = stream.read_u64().await? as usize;
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if bytes.len() < size {
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bytes.resize(size, 0);
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}
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let _n = stream.read_exact(&mut bytes[..size]).await?;
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match bincode::deserialize(&bytes) {
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Ok(input) => {
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return Ok((
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stream,
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match dbg!(input) {
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Input::Connected(version) => Event::Connected(version),
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Input::TimingMeasured(timing) => {
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Event::TimingMeasured(timing)
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}
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Input::ThemeChanged(palette) => {
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Event::ThemeChanged(palette)
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}
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},
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));
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}
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Err(_) => {
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// TODO: Log decoding error
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}
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}
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}
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}
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