Revert various PRs related to "ext/http" (#14339)

* Revert "feat(ext/http): stream auto resp body compression (#14325)"
* Revert "core: introduce `resource.read_return` (#14331)"
* Revert "perf(http): optimize `ReadableStream`s backed by a resource (#14284)"

2 files changed, 5 insertions, 23 deletions

diff --git a/core/examples/http_bench_json_ops.rs b/core/examples/http_bench_json_ops.rs
index 7c895f326..2068c3b85 100644
--- a/core/examples/http_bench_json_ops.rs
+++ b/core/examples/http_bench_json_ops.rs
@@ -83,18 +83,13 @@ struct TcpStream {
 }
 
 impl TcpStream {
-  async fn read(
-    self: Rc<Self>,
-    mut buf: ZeroCopyBuf,
-  ) -> Result<(usize, ZeroCopyBuf), Error> {
+  async fn read(self: Rc<Self>, mut buf: ZeroCopyBuf) -> Result<usize, Error> {
     let mut rd = RcRef::map(&self, |r| &r.rd).borrow_mut().await;
     let cancel = RcRef::map(self, |r| &r.cancel);
-    let nread = rd
-      .read(&mut buf)
+    rd.read(&mut buf)
       .try_or_cancel(cancel)
       .await
-      .map_err(Error::from)?;
-    Ok((nread, buf))
+      .map_err(Error::from)
   }
 
   async fn write(self: Rc<Self>, buf: ZeroCopyBuf) -> Result<usize, Error> {
@@ -104,10 +99,7 @@ impl TcpStream {
 }
 
 impl Resource for TcpStream {
-  fn read_return(
-    self: Rc<Self>,
-    buf: ZeroCopyBuf,
-  ) -> AsyncResult<(usize, ZeroCopyBuf)> {
+  fn read(self: Rc<Self>, buf: ZeroCopyBuf) -> AsyncResult<usize> {
     Box::pin(self.read(buf))
   }
 
diff --git a/core/resources.rs b/core/resources.rs
index ae4ef7394..9a1447392 100644
--- a/core/resources.rs
+++ b/core/resources.rs
@@ -36,17 +36,7 @@ pub trait Resource: Any + 'static {
   }
 
   /// Resources may implement `read()` to be a readable stream
-  fn read(self: Rc<Self>, buf: ZeroCopyBuf) -> AsyncResult<usize> {
-    Box::pin(async move {
-      let (nread, _) = self.read_return(buf).await?;
-      Ok(nread)
-    })
-  }
-
-  fn read_return(
-    self: Rc<Self>,
-    _buf: ZeroCopyBuf,
-  ) -> AsyncResult<(usize, ZeroCopyBuf)> {
+  fn read(self: Rc<Self>, _buf: ZeroCopyBuf) -> AsyncResult<usize> {
     Box::pin(futures::future::err(not_supported()))
   }