1 files changed, 65 insertions, 0 deletions
diff --git a/third_party/rust/h2/examples/server.rs b/third_party/rust/h2/examples/server.rs
new file mode 100644
index 0000000000..6d6490db08
--- /dev/null
+++ b/third_party/rust/h2/examples/server.rs
@@ -0,0 +1,65 @@
+use std::error::Error;
+
+use bytes::Bytes;
+use h2::server::{self, SendResponse};
+use h2::RecvStream;
+use http::Request;
+use tokio::net::{TcpListener, TcpStream};
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
+    let _ = env_logger::try_init();
+
+    let listener = TcpListener::bind("127.0.0.1:5928").await?;
+
+    println!("listening on {:?}", listener.local_addr());
+
+    loop {
+        if let Ok((socket, _peer_addr)) = listener.accept().await {
+            tokio::spawn(async move {
+                if let Err(e) = serve(socket).await {
+                    println!("  -> err={:?}", e);
+                }
+            });
+        }
+    }
+}
+
+async fn serve(socket: TcpStream) -> Result<(), Box<dyn Error + Send + Sync>> {
+    let mut connection = server::handshake(socket).await?;
+    println!("H2 connection bound");
+
+    while let Some(result) = connection.accept().await {
+        let (request, respond) = result?;
+        tokio::spawn(async move {
+            if let Err(e) = handle_request(request, respond).await {
+                println!("error while handling request: {}", e);
+            }
+        });
+    }
+
+    println!("~~~~~~~~~~~ H2 connection CLOSE !!!!!! ~~~~~~~~~~~");
+    Ok(())
+}
+
+async fn handle_request(
+    mut request: Request<RecvStream>,
+    mut respond: SendResponse<Bytes>,
+) -> Result<(), Box<dyn Error + Send + Sync>> {
+    println!("GOT request: {:?}", request);
+
+    let body = request.body_mut();
+    while let Some(data) = body.data().await {
+        let data = data?;
+        println!("<<<< recv {:?}", data);
+        let _ = body.flow_control().release_capacity(data.len());
+    }
+
+    let response = http::Response::new(());
+    let mut send = respond.send_response(response, false)?;
+    println!(">>>> send");
+    send.send_data(Bytes::from_static(b"hello "), false)?;
+    send.send_data(Bytes::from_static(b"world\n"), true)?;
+
+    Ok(())
+}