feat: Put tokens into Rc

WIP

Author: larseggert

neqo-transport/src/pmtud.rs

@@ -362,7 +362,7 @@ mod tests {
         Some(u16::MAX as usize),
     ];
 
-    const fn make_sent_packet(pn: u64, now: Instant, len: usize) -> sent::Packet {
+    fn make_sent_packet(pn: u64, now: Instant, len: usize) -> sent::Packet {
         sent::Packet::new(
             packet::Type::Short,
             pn,

neqo-transport/src/recovery/sent.rs

@@ -7,9 +7,7 @@
 // A collection for sent packets.
 
 use std::{
-    collections::BTreeMap,
-    ops::RangeInclusive,
-    time::{Duration, Instant},
+    collections::BTreeMap, ops::RangeInclusive, rc::Rc, time::{Duration, Instant}
 };
 
 use crate::{packet, recovery};
@@ -21,7 +19,7 @@ pub struct Packet {
     ack_eliciting: bool,
     time_sent: Instant,
     primary_path: bool,
-    tokens: recovery::Tokens,
+    tokens: Rc<recovery::Tokens>,
 
     time_declared_lost: Option<Instant>,
     /// After a PTO, this is true when the packet has been released.
@@ -32,7 +30,7 @@ pub struct Packet {
 
 impl Packet {
     #[must_use]
-    pub const fn new(
+    pub fn new(
         pt: packet::Type,
         pn: packet::Number,
         time_sent: Instant,
@@ -46,7 +44,7 @@ impl Packet {
             time_sent,
             ack_eliciting,
             primary_path: true,
-            tokens,
+            tokens: Rc::new(tokens),
             time_declared_lost: None,
             pto: false,
             len,
@@ -104,8 +102,8 @@ impl Packet {
 
     /// Access the recovery tokens that this holds.
     #[must_use]
-    pub const fn tokens(&self) -> &recovery::Tokens {
-        &self.tokens
+    pub fn tokens(&self) -> &recovery::Tokens {
+        self.tokens.as_ref()
     }
 
     /// Clears the flag that had this packet on the primary path.