From fbaf0bb26397aa498eb9156f06d5a6fe34dd7dd8 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 03:14:29 +0200
Subject: Merging upstream version 125.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 third_party/rust/neqo-transport/src/streams.rs | 49 ++++++++++++++++++--------
 1 file changed, 34 insertions(+), 15 deletions(-)

(limited to 'third_party/rust/neqo-transport/src/streams.rs')

diff --git a/third_party/rust/neqo-transport/src/streams.rs b/third_party/rust/neqo-transport/src/streams.rs
index 7cbb29ce02..d8662afa3b 100644
--- a/third_party/rust/neqo-transport/src/streams.rs
+++ b/third_party/rust/neqo-transport/src/streams.rs
@@ -95,6 +95,7 @@ impl Streams {
         }
     }
 
+    #[must_use]
     pub fn is_stream_id_allowed(&self, stream_id: StreamId) -> bool {
         self.remote_stream_limits[stream_id.stream_type()].is_allowed(stream_id)
     }
@@ -118,7 +119,9 @@ impl Streams {
         self.local_stream_limits = LocalStreamLimits::new(self.role);
     }
 
-    pub fn input_frame(&mut self, frame: Frame, stats: &mut FrameStats) -> Res<()> {
+    /// # Errors
+    /// When the frame is invalid.
+    pub fn input_frame(&mut self, frame: &Frame, stats: &mut FrameStats) -> Res<()> {
         match frame {
             Frame::ResetStream {
                 stream_id,
@@ -126,8 +129,8 @@ impl Streams {
                 final_size,
             } => {
                 stats.reset_stream += 1;
-                if let (_, Some(rs)) = self.obtain_stream(stream_id)? {
-                    rs.reset(application_error_code, final_size)?;
+                if let (_, Some(rs)) = self.obtain_stream(*stream_id)? {
+                    rs.reset(*application_error_code, *final_size)?;
                 }
             }
             Frame::StopSending {
@@ -136,9 +139,9 @@ impl Streams {
             } => {
                 stats.stop_sending += 1;
                 self.events
-                    .send_stream_stop_sending(stream_id, application_error_code);
-                if let (Some(ss), _) = self.obtain_stream(stream_id)? {
-                    ss.reset(application_error_code);
+                    .send_stream_stop_sending(*stream_id, *application_error_code);
+                if let (Some(ss), _) = self.obtain_stream(*stream_id)? {
+                    ss.reset(*application_error_code);
                 }
             }
             Frame::Stream {
@@ -149,13 +152,13 @@ impl Streams {
                 ..
             } => {
                 stats.stream += 1;
-                if let (_, Some(rs)) = self.obtain_stream(stream_id)? {
-                    rs.inbound_stream_frame(fin, offset, data)?;
+                if let (_, Some(rs)) = self.obtain_stream(*stream_id)? {
+                    rs.inbound_stream_frame(*fin, *offset, data)?;
                 }
             }
             Frame::MaxData { maximum_data } => {
                 stats.max_data += 1;
-                self.handle_max_data(maximum_data);
+                self.handle_max_data(*maximum_data);
             }
             Frame::MaxStreamData {
                 stream_id,
@@ -163,12 +166,12 @@ impl Streams {
             } => {
                 qtrace!(
                     "Stream {} Received MaxStreamData {}",
-                    stream_id,
-                    maximum_stream_data
+                    *stream_id,
+                    *maximum_stream_data
                 );
                 stats.max_stream_data += 1;
-                if let (Some(ss), _) = self.obtain_stream(stream_id)? {
-                    ss.set_max_stream_data(maximum_stream_data);
+                if let (Some(ss), _) = self.obtain_stream(*stream_id)? {
+                    ss.set_max_stream_data(*maximum_stream_data);
                 }
             }
             Frame::MaxStreams {
@@ -176,7 +179,7 @@ impl Streams {
                 maximum_streams,
             } => {
                 stats.max_streams += 1;
-                self.handle_max_streams(stream_type, maximum_streams);
+                self.handle_max_streams(*stream_type, *maximum_streams);
             }
             Frame::DataBlocked { data_limit } => {
                 // Should never happen since we set data limit to max
@@ -193,7 +196,7 @@ impl Streams {
                     return Err(Error::StreamStateError);
                 }
 
-                if let (_, Some(rs)) = self.obtain_stream(stream_id)? {
+                if let (_, Some(rs)) = self.obtain_stream(*stream_id)? {
                     rs.send_flowc_update();
                 }
             }
@@ -401,6 +404,8 @@ impl Streams {
 
     /// Get or make a stream, and implicitly open additional streams as
     /// indicated by its stream id.
+    /// # Errors
+    /// When the stream cannot be created due to stream limits.
     pub fn obtain_stream(
         &mut self,
         stream_id: StreamId,
@@ -412,14 +417,20 @@ impl Streams {
         ))
     }
 
+    /// # Errors
+    /// When the stream does not exist.
     pub fn set_sendorder(&mut self, stream_id: StreamId, sendorder: Option<SendOrder>) -> Res<()> {
         self.send.set_sendorder(stream_id, sendorder)
     }
 
+    /// # Errors
+    /// When the stream does not exist.
     pub fn set_fairness(&mut self, stream_id: StreamId, fairness: bool) -> Res<()> {
         self.send.set_fairness(stream_id, fairness)
     }
 
+    /// # Errors
+    /// When a stream cannot be created, which might be temporary.
     pub fn stream_create(&mut self, st: StreamType) -> Res<StreamId> {
         match self.local_stream_limits.take_stream_id(st) {
             None => Err(Error::StreamLimitError),
@@ -525,18 +536,26 @@ impl Streams {
         }
     }
 
+    /// # Errors
+    /// When the stream does not exist.
     pub fn get_send_stream_mut(&mut self, stream_id: StreamId) -> Res<&mut SendStream> {
         self.send.get_mut(stream_id)
     }
 
+    /// # Errors
+    /// When the stream does not exist.
     pub fn get_send_stream(&self, stream_id: StreamId) -> Res<&SendStream> {
         self.send.get(stream_id)
     }
 
+    /// # Errors
+    /// When the stream does not exist.
     pub fn get_recv_stream_mut(&mut self, stream_id: StreamId) -> Res<&mut RecvStream> {
         self.recv.get_mut(stream_id)
     }
 
+    /// # Errors
+    /// When the stream does not exist.
     pub fn keep_alive(&mut self, stream_id: StreamId, keep: bool) -> Res<()> {
         self.recv.keep_alive(stream_id, keep)
     }
-- 
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