todos

src/dest.rs

@@ -660,6 +660,8 @@ impl<
         metadata_pdu: MetadataPduReader,
         first_packet: bool,
     ) -> Result<(), DestError> {
+        // TODO: If this arrives while metadata is being awaited (state is waiting on metadata),
+        // reset NAK activity params.
         if self.state != State::Idle {
             return Err(DestError::RecvdMetadataButIsBusy);
         }
@@ -795,6 +797,7 @@ impl<
         user: &mut impl CfdpUser,
         fd_pdu: FileDataPdu,
     ) -> Result<u32, DestError> {
+        // TODO: Lost segment handling.
         let mut packets_sent = 0;
         let mut handle_indication = |id: TransactionId, indication_config: &IndicationConfig| {
             if indication_config.file_segment_recv {