feat: v0.1.0 init commit

.gitignore

@@ -1,3 +1,4 @@
+.idea/
 # ---> macOS
 # General
 .DS_Store
@@ -32,10 +33,6 @@ Temporary Items
 # will have compiled files and executables
 debug/
 target/
-
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
 
 # These are backup files generated by rustfmt
 **/*.rs.bk

Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "simple-rust-http3-proxy"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tokio = { version = "1", features = ["full"] }
+s2n-quic = "1.9"
+clap = "2.33"
+rust_util = "0.6"
+
+[profile.release]
+codegen-units = 1
+opt-level = 'z'
+lto = true
+panic = 'abort'
+
+

src/client.rs

@@ -0,0 +1,33 @@
+use std::fs;
+use std::net::SocketAddr;
+use rust_util::XResult;
+use s2n_quic::Client;
+use s2n_quic::client::Connect;
+
+use crate::config::ListenConfig;
+
+async fn run(listen_config: &ListenConfig) -> XResult<()> {
+    let cert_pem = opt_result!(fs::read_to_string(&listen_config.cert_pem_file),
+        "Read cert pem file: {}, failed: {}", &listen_config.key_pem_file);
+    let client = Client::builder()
+        .with_tls(cert_pem.as_str())?
+        .with_io("0.0.0.0:0")?
+        .start()?;
+    let addr: SocketAddr = "127.0.0.1:4433".parse()?;
+    let connect = Connect::new(addr).with_server_name("localhost");
+    let mut connection = client.connect(connect).await?;
+    // ensure the connection doesn't time out with inactivity
+    connection.keep_alive(true)?;
+    // open a new stream and split the receiving and sending sides
+    let stream = connection.open_bidirectional_stream().await?;
+    let (mut receive_stream, mut send_stream) = stream.split();
+    // spawn a task that copies responses from the server to stdout
+    tokio::spawn(async move {
+        let mut stdout = tokio::io::stdout();
+        let _ = tokio::io::copy(&mut receive_stream, &mut stdout).await;
+    });
+    // copy data from stdin and send it to the server
+    let mut stdin = tokio::io::stdin();
+    tokio::io::copy(&mut stdin, &mut send_stream).await?;
+    Ok(())
+}

src/config.rs

@@ -0,0 +1,5 @@
+pub struct ListenConfig {
+    pub listen: String,
+    pub key_pem_file: String,
+    pub cert_pem_file: String,
+}

src/main.rs

@@ -0,0 +1,42 @@
+#[macro_use]
+extern crate rust_util;
+
+mod config;
+mod client;
+mod server;
+
+use clap::{App, Arg};
+use rust_util::XResult;
+
+#[tokio::main]
+async fn main() -> XResult<()> {
+    let matches = App::new("Simple Rust HTTP/3 Proxy")
+        .version(env!("CARGO_PKG_VERSION"))
+        .about(env!("CARGO_PKG_DESCRIPTION"))
+        .arg(Arg::with_name("version").short("V").long("version").help("Print version"))
+        .arg(Arg::with_name("verbose").short("v").long("verbose").help("Verbose"))
+        .arg(Arg::with_name("server").short("s").long("server").help("Run server mode"))
+        .arg(Arg::with_name("client").short("c").long("client").help("Run client mode"))
+        .arg(Arg::with_name("config").short("c").long("config").takes_value(true).help("HTTP/3 listen config file"))
+        .get_matches();
+    if matches.is_present("version") {
+        information!("{} v{}", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"));
+        return Ok(());
+    }
+    if matches.is_present("verbose") {
+        debugging!("HTTP/3 listen config: {:#?}", matches);
+    }
+    let server_mode = matches.is_present("server");
+    let client_mode = matches.is_present("client");
+    if server_mode && client_mode {
+        failure_and_exit!("Cannot run in both server and client mode");
+    }
+    if !server_mode && !client_mode {
+        failure_and_exit!("Must run in server on client mode")
+    }
+
+
+    // TODO
+
+    Ok(())
+}

src/server.rs

@@ -0,0 +1,39 @@
+use std::fs;
+
+use rust_util::XResult;
+use s2n_quic::Server;
+
+use crate::config::ListenConfig;
+
+async fn run(listen_config: &ListenConfig) -> XResult<()> {
+    let cert_pem = opt_result!(fs::read_to_string(&listen_config.cert_pem_file),
+        "Read cert pem file: {}, failed: {}", &listen_config.key_pem_file);
+    let key_pem = opt_result!(fs::read_to_string(&listen_config.key_pem_file),
+        "Read key pem file :{}, failed: {}", &listen_config.key_pem_file);
+
+    let mut server = Server::builder()
+        .with_tls((cert_pem.as_str(), key_pem.as_str()))?
+        .with_io(listen_config.listen.as_str())?
+        .start()?;
+    while let Some(mut connection) = server.accept().await {
+        // spawn a new task for the connection
+        tokio::spawn(async move {
+            information!("Connection accepted from {:?}", connection.remote_addr());
+            while let Ok(Some(mut stream)) = connection.accept_bidirectional_stream().await {
+                // spawn a new task for the stream
+                tokio::spawn(async move {
+                    information!("Stream opened from {:?}", stream.connection().remote_addr());
+                    // echo any data back to the stream
+                    // while let Ok(Some(data)) = stream.receive().await {
+                    //     stream.send(data).await.expect("stream should be open");
+                    // }
+                    // println!("Stream closed from {:?}", stream.connection().remote_addr());
+                    // TODO ...
+                });
+            }
+            println!("Connection closed from {:?}", connection.remote_addr());
+        });
+    }
+
+    Ok(())
+}