From 50644e84a00242bd89df736f566a51626f7a4fe9 Mon Sep 17 00:00:00 2001 From: Jordan Doyle Date: Sun, 19 Jul 2020 21:54:50 +0100 Subject: [PATCH] Initial commit --- .gitignore | 1 + README.md | 3 +++ scrs-sc-transcode/.gitignore | 1 + scrs-sc-transcode/Cargo.lock | 5 +++++ scrs-sc-transcode/Cargo.toml | 9 +++++++++ scrs-serve/.gitignore | 1 + scrs-serve/Cargo.lock | 672 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ scrs-serve/Cargo.toml | 17 +++++++++++++++++ scrs-sc-transcode/src/main.rs | 3 +++ scrs-serve/src/main.rs | 145 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 10 files changed, 857 insertions(+) diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ea8c4bf 100644 --- /dev/null +++ a/.gitignore @@ -1,0 +1,1 @@ +/target diff --git a/README.md b/README.md new file mode 100644 index 0000000..c810acf 100644 --- /dev/null +++ a/README.md @@ -1,0 +1,3 @@ +# scrs (pronounced: Suckers) + +A high performance, low maintanence SHOUTcast server. diff --git a/scrs-sc-transcode/.gitignore b/scrs-sc-transcode/.gitignore new file mode 100644 index 0000000..c41cc9e 100644 --- /dev/null +++ a/scrs-sc-transcode/.gitignore @@ -1,0 +1,1 @@ +/targetdiff --git a/scrs-sc-transcode/Cargo.lock b/scrs-sc-transcode/Cargo.lock new file mode 100644 index 0000000..ef5e15c 100644 --- /dev/null +++ a/scrs-sc-transcode/Cargo.lock @@ -1,0 +1,5 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "scrs-sc-transcode" +version = "0.1.0" diff --git a/scrs-sc-transcode/Cargo.toml b/scrs-sc-transcode/Cargo.toml new file mode 100644 index 0000000..8ec6456 100644 --- /dev/null +++ a/scrs-sc-transcode/Cargo.toml @@ -1,0 +1,9 @@ +[package] +name = "scrs-sc-transcode" +version = "0.1.0" +authors = ["Jordan Doyle "] +edition = "2018" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] 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+httparse = "1.3" +clap = "2.33"diff --git a/scrs-sc-transcode/src/main.rs b/scrs-sc-transcode/src/main.rs new file mode 100644 index 0000000..e7a11a9 100644 --- /dev/null +++ a/scrs-sc-transcode/src/main.rs @@ -1,0 +1,3 @@ +fn main() { + println!("Hello, world!"); +} diff --git a/scrs-serve/src/main.rs b/scrs-serve/src/main.rs new file mode 100644 index 0000000..4dc82e8 100644 --- /dev/null +++ a/scrs-serve/src/main.rs @@ -1,0 +1,145 @@ +use bus_queue::flavors::arc_swap::{bounded, Publisher, Subscriber}; +use bytes::Bytes; +use futures::{SinkExt, StreamExt}; +use tokio::sync::Mutex; + +use tokio::io::{AsyncReadExt, AsyncWriteExt}; +use tokio::net::TcpStream; + +use std::convert::TryFrom; +use std::net::SocketAddr; +use std::sync::Arc; + +async fn write_response(mut writer: W, resp: http::Response<()>) { + writer + .write_all( + format!( + "{:?} {} {}\r\n", + resp.version(), + resp.status().as_str(), + resp.status().canonical_reason().unwrap() + ) + .as_bytes(), + ) + .await + .unwrap(); + + for (name, value) in resp.headers() { + writer.write_all(name.as_str().as_bytes()).await.unwrap(); + writer.write_all(b": ").await.unwrap(); + writer.write_all(value.as_bytes()).await.unwrap(); + writer.write_all(b"\r\n").await.unwrap(); + } + + writer.write_all(b"\r\n").await.unwrap(); + writer.flush().await.unwrap(); +} + +async fn process( + mut stream: TcpStream, + publisher: Arc>>, + mut subscriber: Subscriber, +) { + println!("accepted"); + + let mut buffer = bytes::BytesMut::with_capacity(1024); + + if stream.read_buf(&mut buffer).await.unwrap() == 0 { + return; + } + + let req = { + let mut headers = [httparse::EMPTY_HEADER; 16]; + let mut parsed = httparse::Request::new(&mut headers); + + let header_buffer = buffer.split().freeze(); + parsed.parse(&header_buffer[..]).unwrap(); + + let mut req = http::Request::builder() + .version(http::Version::HTTP_11) + .method(parsed.method.unwrap()) + .uri(parsed.path.unwrap()); + for header in parsed.headers.as_ref() { + println!("parsing: {}", header.name); + req.headers_mut().unwrap().insert( + http::header::HeaderName::from_bytes(header.name.as_bytes()).unwrap(), + http::HeaderValue::try_from(header.value).unwrap(), + ); + } + req.body(()).unwrap() + }; + + let resp = http::Response::builder() + .version(http::Version::HTTP_11) + .header( + "Server", + concat!(clap::crate_name!(), "/", clap::crate_version!()), + ) + .header("Accept-Encoding", "identity") + .header("Connection", "keep-alive") + .header("Access-Control-Allow-Origin", "*"); + + match req.uri().path() { + "/listen.mp3" => { + // TODO: allow the streamer to set content-type + let resp = resp.header("Content-Type", "audio/mpeg").body(()).unwrap(); + write_response(&mut stream, resp).await; + + loop { + if let Some(v) = subscriber.next().await { + if let Err(_) = stream.write_all(v.as_ref()).await { + break; + } + } + } + } + "/stream" => { + println!("stream req: {:?}", req.headers()); + if let Ok(ref mut publisher) = publisher.try_lock() { + let resp = resp + .header("Connection", "Close") + .header("Allow", "PUT, SOURCE") + .body(()) + .unwrap(); + write_response(&mut stream, resp).await; + + loop { + if stream.read_buf(&mut buffer).await.unwrap() == 0 { + break; + } + + publisher.send(buffer.split().freeze()).await.unwrap(); + } + } else { + panic!("someone's already streaming!"); + } + } + _ => panic!("Invalid request: {:?}", req), + } +} + +#[tokio::main] +async fn main() { + env_logger::init(); + listen_forward(3000).await; +} + +async fn listen_forward(port: u16) { + let (publisher, subscriber) = bounded::(128); + let publisher = Arc::new(Mutex::new(publisher)); + + let addr = SocketAddr::from(([127, 0, 0, 1], port)); + + // let the consumer pass this in + let mut listener = tokio::net::TcpListener::bind(addr).await.unwrap(); + + loop { + println!("listening for new conns..."); + let (stream, _) = listener.accept().await.unwrap(); + + let publisher = publisher.clone(); + let subscriber = subscriber.clone(); + + tokio::spawn(process(stream, publisher, subscriber)); + } +} -- rgit 0.1.3