host: expose harness state and actions over the world API

2026-11-07 19:22:06 +00:00
parent c3c5b36d09
commit 5dc4833e28
33 changed files with 33178 additions and 112 deletions
@@ -0,0 +1,36 @@
+//! A world HTTP client that forwards each response chunk without curl's body buffer.
+use std::io::Write;
+use wasi::http::{outgoing_handler, types::*};
+fn main() {
+    let request = OutgoingRequest::new(Fields::new());
+    request.set_method(&Method::Get).unwrap();
+    request.set_scheme(Some(&Scheme::Http)).unwrap();
+    request.set_authority(Some("host.sausage")).unwrap();
+    request
+        .set_path_with_query(Some(&std::env::args().nth(1).unwrap()))
+        .unwrap();
+    let outgoing = request.body().unwrap();
+    let future = outgoing_handler::handle(request, None).unwrap();
+    OutgoingBody::finish(outgoing, None).unwrap();
+    future.subscribe().block();
+    let response = future.get().unwrap().unwrap().unwrap();
+    assert_eq!(response.status(), 200);
+    let incoming = response.consume().unwrap();
+    let stream = incoming.stream().unwrap();
+    let mut output = std::io::stdout().lock();
+    loop {
+        stream.subscribe().block();
+        match stream.read(65536) {
+            Ok(bytes) => {
+                output.write_all(&bytes).unwrap();
+                output.flush().unwrap();
+            }
+            Err(wasi::io::streams::StreamError::Closed) => break,
+            Err(error) => panic!("stream: {error:?}"),
+        }
+    }
+    drop(stream);
+    let trailers = IncomingBody::finish(incoming);
+    trailers.subscribe().block();
+    trailers.get().unwrap().unwrap().unwrap();
+}