src/client/http_client.rs: use async for h2api_response()

src/client/http_client.rs

@@ -1179,9 +1179,9 @@ impl H2Client {
             })
     }
 
-    fn h2api_response(
+    async fn h2api_response(
         response: Response<h2::RecvStream>,
-    ) -> impl Future<Output = Result<Value, Error>> {
+    ) -> Result<Value, Error> {
         let status = response.status();
 
         let (_head, mut body) = response.into_parts();
@@ -1194,15 +1194,13 @@ impl H2Client {
         // the data from memory.
         let mut release_capacity = body.release_capacity().clone();
 
-        body
-            .map_ok(move |chunk| {
+        let mut data = Vec::new();
+        while let Some(chunk) = body.try_next().await? {
             // Let the server send more data.
             let _ = release_capacity.release_capacity(chunk.len());
-                chunk
-            })
-            .try_concat()
-            .map_err(Error::from)
-            .and_then(move |data| async move {
+            data.extend(chunk);
+        }
+
         let text = String::from_utf8(data.to_vec()).unwrap();
         if status.is_success() {
             if text.len() > 0 {
@@ -1219,7 +1217,6 @@ impl H2Client {
         } else {
             bail!("HTTP Error {}: {}", status, text);
         }
-            }.boxed())
     }
 
     // Note: We always encode parameters with the url