proxmox-backup/examples/h2s-server.rs

use std::sync::Arc;

use anyhow::{format_err, Error};
use futures::*;
use hyper::{Body, Request, Response};
use openssl::ssl::{SslAcceptor, SslFiletype, SslMethod};
use tokio::net::{TcpListener, TcpStream};

use pbs_buildcfg::configdir;

fn main() -> Result<(), Error> {
    proxmox_async::runtime::main(run())
}

async fn run() -> Result<(), Error> {
    let key_path = configdir!("/proxy.key");
    let cert_path = configdir!("/proxy.pem");

    let mut acceptor = SslAcceptor::mozilla_intermediate(SslMethod::tls()).unwrap();
    acceptor
        .set_private_key_file(key_path, SslFiletype::PEM)
        .map_err(|err| format_err!("unable to read proxy key {} - {}", key_path, err))?;
    acceptor
        .set_certificate_chain_file(cert_path)
        .map_err(|err| format_err!("unable to read proxy cert {} - {}", cert_path, err))?;
    acceptor.check_private_key().unwrap();

    let acceptor = Arc::new(acceptor.build());

    let listener = TcpListener::bind(std::net::SocketAddr::from(([127, 0, 0, 1], 8008))).await?;

    println!("listening on {:?}", listener.local_addr());

    loop {
        let (socket, _addr) = listener.accept().await?;
        tokio::spawn(handle_connection(socket, Arc::clone(&acceptor)).map(|res| {
            if let Err(err) = res {
                eprintln!("Error: {}", err);
            }
        }));
    }
}

async fn handle_connection(socket: TcpStream, acceptor: Arc<SslAcceptor>) -> Result<(), Error> {
    socket.set_nodelay(true).unwrap();

    let ssl = openssl::ssl::Ssl::new(acceptor.context())?;
    let stream = tokio_openssl::SslStream::new(ssl, socket)?;
    let mut stream = Box::pin(stream);

    stream.as_mut().accept().await?;

    let mut http = hyper::server::conn::Http::new();
    http.http2_only(true);
    // increase window size: todo - find optiomal size
    let max_window_size = (1 << 31) - 2;
    http.http2_initial_stream_window_size(max_window_size);
    http.http2_initial_connection_window_size(max_window_size);

    let service = hyper::service::service_fn(|_req: Request<Body>| {
        println!("Got request");
        let buffer = vec![65u8; 4 * 1024 * 1024]; // nonsense [A,A,A,A...]
        let body = Body::from(buffer);

        let response = Response::builder()
            .status(http::StatusCode::OK)
            .header(http::header::CONTENT_TYPE, "application/octet-stream")
            .body(body)
            .unwrap();
        future::ok::<_, Error>(response)
    });

    http.serve_connection(stream, service)
        .map_err(Error::from)
        .await?;

    println!("H2 connection CLOSE !");
    Ok(())
}
src/bin/h2s-server.rs: switch to async Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> 2019-08-28 17:01:10 +03:00			`use std::sync::Arc;`

switch from failure to anyhow Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> 2020-04-17 15:11:25 +03:00			`use anyhow::{format_err, Error};`
src/bin/h2s-server.rs: test to reproduce slow h2 download Simplified code, use with h2s-client.rs. 2019-06-29 15:57:54 +03:00			`use futures::*;`
examples: unify h2 examples update them to the new tokio-openssl API and remove socket buffer size setting - it was removed from the TcpStream API, and is now only available via TcpSocket (which can in turn be converted to a TcpListener), but this is not needed for this example. Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com> 2020-12-04 14:59:34 +03:00			`use hyper::{Body, Request, Response};`
			`use openssl::ssl::{SslAcceptor, SslFiletype, SslMethod};`
src/bin/h2s-server.rs: switch to async Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> 2019-08-28 17:01:10 +03:00			`use tokio::net::{TcpListener, TcpStream};`
src/bin/h2s-server.rs: test to reproduce slow h2 download Simplified code, use with h2s-client.rs. 2019-06-29 15:57:54 +03:00
fixup examples Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> 2021-07-07 12:49:42 +03:00			`use pbs_buildcfg::configdir;`
src/bin/h2s-server.rs: test to reproduce slow h2 download Simplified code, use with h2s-client.rs. 2019-06-29 15:57:54 +03:00
introduce new runtime tokio helpers Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> 2020-01-20 14:52:22 +03:00			`fn main() -> Result<(), Error> {`
use new proxmox-async crate Signed-off-by: Dietmar Maurer <dietmar@proxmox.com> 2021-11-19 19:36:06 +03:00			`proxmox_async::runtime::main(run())`
introduce new runtime tokio helpers Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> 2020-01-20 14:52:22 +03:00			`}`

			`async fn run() -> Result<(), Error> {`
use hyper/tokio-openssl instead of hyper/tokio-tls This exposes the complete SSL setup. And download is much faster now (600MB/s instead of 130MB/s)! 2019-07-02 14:33:58 +03:00			`let key_path = configdir!("/proxy.key");`
			`let cert_path = configdir!("/proxy.pem");`
src/bin/h2s-server.rs: test to reproduce slow h2 download Simplified code, use with h2s-client.rs. 2019-06-29 15:57:54 +03:00
use hyper/tokio-openssl instead of hyper/tokio-tls This exposes the complete SSL setup. And download is much faster now (600MB/s instead of 130MB/s)! 2019-07-02 14:33:58 +03:00			`let mut acceptor = SslAcceptor::mozilla_intermediate(SslMethod::tls()).unwrap();`
examples: unify h2 examples update them to the new tokio-openssl API and remove socket buffer size setting - it was removed from the TcpStream API, and is now only available via TcpSocket (which can in turn be converted to a TcpListener), but this is not needed for this example. Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com> 2020-12-04 14:59:34 +03:00			`acceptor`
			`.set_private_key_file(key_path, SslFiletype::PEM)`
use hyper/tokio-openssl instead of hyper/tokio-tls This exposes the complete SSL setup. And download is much faster now (600MB/s instead of 130MB/s)! 2019-07-02 14:33:58 +03:00			`.map_err(\|err\| format_err!("unable to read proxy key {} - {}", key_path, err))?;`
examples: unify h2 examples update them to the new tokio-openssl API and remove socket buffer size setting - it was removed from the TcpStream API, and is now only available via TcpSocket (which can in turn be converted to a TcpListener), but this is not needed for this example. Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com> 2020-12-04 14:59:34 +03:00			`acceptor`
			`.set_certificate_chain_file(cert_path)`
use hyper/tokio-openssl instead of hyper/tokio-tls This exposes the complete SSL setup. And download is much faster now (600MB/s instead of 130MB/s)! 2019-07-02 14:33:58 +03:00			`.map_err(\|err\| format_err!("unable to read proxy cert {} - {}", cert_path, err))?;`
			`acceptor.check_private_key().unwrap();`
src/bin/h2s-server.rs: test to reproduce slow h2 download Simplified code, use with h2s-client.rs. 2019-06-29 15:57:54 +03:00
use hyper/tokio-openssl instead of hyper/tokio-tls This exposes the complete SSL setup. And download is much faster now (600MB/s instead of 130MB/s)! 2019-07-02 14:33:58 +03:00			`let acceptor = Arc::new(acceptor.build());`
src/bin/h2s-server.rs: test to reproduce slow h2 download Simplified code, use with h2s-client.rs. 2019-06-29 15:57:54 +03:00
examples: unify h2 examples update them to the new tokio-openssl API and remove socket buffer size setting - it was removed from the TcpStream API, and is now only available via TcpSocket (which can in turn be converted to a TcpListener), but this is not needed for this example. Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com> 2020-12-04 14:59:34 +03:00			`let listener = TcpListener::bind(std::net::SocketAddr::from(([127, 0, 0, 1], 8008))).await?;`
src/bin/h2s-server.rs: test to reproduce slow h2 download Simplified code, use with h2s-client.rs. 2019-06-29 15:57:54 +03:00
			`println!("listening on {:?}", listener.local_addr());`

update a chunk of stuff to the hyper release Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> 2019-12-12 17:27:07 +03:00			`loop {`
			`let (socket, _addr) = listener.accept().await?;`
examples: unify h2 examples update them to the new tokio-openssl API and remove socket buffer size setting - it was removed from the TcpStream API, and is now only available via TcpSocket (which can in turn be converted to a TcpListener), but this is not needed for this example. Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com> 2020-12-04 14:59:34 +03:00			`tokio::spawn(handle_connection(socket, Arc::clone(&acceptor)).map(\|res\| {`
			`if let Err(err) = res {`
			`eprintln!("Error: {}", err);`
			`}`
			`}));`
src/bin/h2s-server.rs: switch to async Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> 2019-08-28 17:01:10 +03:00			`}`
			`}`

examples: unify h2 examples update them to the new tokio-openssl API and remove socket buffer size setting - it was removed from the TcpStream API, and is now only available via TcpSocket (which can in turn be converted to a TcpListener), but this is not needed for this example. Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com> 2020-12-04 14:59:34 +03:00			`async fn handle_connection(socket: TcpStream, acceptor: Arc<SslAcceptor>) -> Result<(), Error> {`
src/bin/h2s-server.rs: switch to async Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> 2019-08-28 17:01:10 +03:00			`socket.set_nodelay(true).unwrap();`

examples: unify h2 examples update them to the new tokio-openssl API and remove socket buffer size setting - it was removed from the TcpStream API, and is now only available via TcpSocket (which can in turn be converted to a TcpListener), but this is not needed for this example. Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com> 2020-12-04 14:59:34 +03:00			`let ssl = openssl::ssl::Ssl::new(acceptor.context())?;`
			`let stream = tokio_openssl::SslStream::new(ssl, socket)?;`
			`let mut stream = Box::pin(stream);`

			`stream.as_mut().accept().await?;`
src/bin/h2s-server.rs: switch to async Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> 2019-08-28 17:01:10 +03:00
			`let mut http = hyper::server::conn::Http::new();`
			`http.http2_only(true);`
			`// increase window size: todo - find optiomal size`
			`let max_window_size = (1 << 31) - 2;`
			`http.http2_initial_stream_window_size(max_window_size);`
			`http.http2_initial_connection_window_size(max_window_size);`

			`let service = hyper::service::service_fn(\|_req: Request<Body>\| {`
			`println!("Got request");`
examples: unify h2 examples update them to the new tokio-openssl API and remove socket buffer size setting - it was removed from the TcpStream API, and is now only available via TcpSocket (which can in turn be converted to a TcpListener), but this is not needed for this example. Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com> 2020-12-04 14:59:34 +03:00			`let buffer = vec![65u8; 4 * 1024 * 1024]; // nonsense [A,A,A,A...]`
src/bin/h2s-server.rs: switch to async Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> 2019-08-28 17:01:10 +03:00			`let body = Body::from(buffer);`

			`let response = Response::builder()`
			`.status(http::StatusCode::OK)`
			`.header(http::header::CONTENT_TYPE, "application/octet-stream")`
			`.body(body)`
			`.unwrap();`
			`future::ok::<_, Error>(response)`
			`});`

examples: unify h2 examples update them to the new tokio-openssl API and remove socket buffer size setting - it was removed from the TcpStream API, and is now only available via TcpSocket (which can in turn be converted to a TcpListener), but this is not needed for this example. Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com> 2020-12-04 14:59:34 +03:00			`http.serve_connection(stream, service)`
src/bin/h2s-server.rs: switch to async Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> 2019-08-28 17:01:10 +03:00			`.map_err(Error::from)`
			`.await?;`
src/bin/h2s-server.rs: test to reproduce slow h2 download Simplified code, use with h2s-client.rs. 2019-06-29 15:57:54 +03:00
src/bin/h2s-server.rs: switch to async Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> 2019-08-28 17:01:10 +03:00			`println!("H2 connection CLOSE !");`
src/bin/h2s-server.rs: test to reproduce slow h2 download Simplified code, use with h2s-client.rs. 2019-06-29 15:57:54 +03:00			`Ok(())`
			`}`