Add some debugging

1 files changed, 35 insertions, 11 deletions

diff --git a/src/send.rs b/src/send.rs
index 46c4383..256fe4c 100644
--- a/src/send.rs
+++ b/src/send.rs
@@ -74,36 +74,54 @@ impl<'a> futures::Future for SendQueuePollNextReady<'a> {
 	type Output = (RequestID, DataFrame);
 
 	fn poll(mut self: Pin<&mut Self>, ctx: &mut Context<'_>) -> Poll<Self::Output> {
-		for i in 0..self.queue.items.len() {
-			let (_prio, items_at_prio) = &mut self.queue.items[i];
-
+		for (i, (_prio, items_at_prio)) in self.queue.items.iter_mut().enumerate() {
 			let mut ready_item = None;
 			for (j, item) in items_at_prio.iter_mut().enumerate() {
 				let mut item_reader = item.data.read_exact_or_eos(MAX_CHUNK_LENGTH as usize);
 				match Pin::new(&mut item_reader).poll(ctx) {
 					Poll::Pending => (),
 					Poll::Ready(ready_v) => {
-						ready_item = Some((j, ready_v, item.data.eos()));
+						ready_item = Some((j, ready_v));
 						break;
 					}
 				}
 			}
 
-			if let Some((j, bytes_or_err, eos)) = ready_item {
+			if let Some((j, bytes_or_err)) = ready_item {
+				let item = items_at_prio.remove(j).unwrap();
+				let id = item.id;
+				let eos = item.data.eos();
+
 				let data_frame = match bytes_or_err {
-					Ok(bytes) => DataFrame::Data(bytes, !eos),
+					Ok(bytes) => {
+						trace!(
+							"send queue poll next ready: id {} eos {:?} bytes {}",
+							id,
+							eos,
+							bytes.len()
+						);
+						DataFrame::Data(bytes, !eos)
+					}
 					Err(e) => DataFrame::Error(match e {
-						ReadExactError::Stream(code) => code,
+						ReadExactError::Stream(code) => {
+							trace!(
+								"send queue poll next ready: id {} eos {:?} ERROR {}",
+								id,
+								eos,
+								code
+							);
+							code
+						}
 						_ => unreachable!(),
 					}),
 				};
-				let item = items_at_prio.remove(j).unwrap();
-				let id = item.id;
-				if !eos {
+
+				if !eos && !matches!(data_frame, DataFrame::Error(_)) {
 					items_at_prio.push_back(item);
 				} else if items_at_prio.is_empty() {
 					self.queue.items.remove(i);
 				}
+
 				return Poll::Ready((id, data_frame));
 			}
 		}
@@ -173,6 +191,7 @@ pub(crate) trait SendLoop: Sync {
 			match futures::future::select(recv_fut, send_fut).await {
 				Either::Left((sth, _send_fut)) => {
 					if let Some((id, prio, data)) = sth {
+						trace!("send_loop: add stream {} to send", id);
 						sending.push(SendQueueItem {
 							id,
 							prio,
@@ -183,7 +202,12 @@ pub(crate) trait SendLoop: Sync {
 					};
 				}
 				Either::Right(((id, data), _recv_fut)) => {
-					trace!("send_loop: sending bytes for {}", id);
+					trace!(
+						"send_loop: id {}, send {} bytes, header_size {}",
+						id,
+						data.data().len(),
+						hex::encode(data.header())
+					);
 
 					let header_id = RequestID::to_be_bytes(id);
 					write.write_all(&header_id[..]).await?;