move test binaries to examples/

These aren't installed and are only used for manual testing,
so there's no reason to force them to be built all the time.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>

examples/h2server.rs

@@ -0,0 +1,51 @@
+use anyhow::{Error};
+use futures::*;
+
+// Simple H2 server to test H2 speed with h2client.rs
+
+use tokio::net::TcpListener;
+use tokio::io::{AsyncRead, AsyncWrite};
+
+use proxmox_backup::client::pipe_to_stream::PipeToSendStream;
+
+fn main() -> Result<(), Error> {
+    proxmox_backup::tools::runtime::main(run())
+}
+
+async fn run() -> Result<(), Error> {
+    let mut 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)
+            .map(|res| {
+                if let Err(err) = res {
+                    eprintln!("Error: {}", err);
+                }
+            }));
+    }
+}
+
+async fn handle_connection<T: AsyncRead + AsyncWrite + Unpin>(socket: T) -> Result<(), Error> {
+    let mut conn = h2::server::handshake(socket).await?;
+
+    println!("H2 connection bound");
+
+    while let Some((request, mut respond)) = conn.try_next().await? {
+        println!("GOT request: {:?}", request);
+
+        let response = http::Response::builder()
+            .status(http::StatusCode::OK)
+            .body(())
+            .unwrap();
+
+        let send = respond.send_response(response, false).unwrap();
+        let data = vec![65u8; 1024*1024];
+        PipeToSendStream::new(bytes::Bytes::from(data), send).await?;
+        println!("DATA SENT");
+    }
+
+    Ok(())
+}