[logger] log packet_dropped with reason header_parse_error

Some servers add all zero padding to UDP datagrams during the handshake.
liunix61 · Oct 18, 2022 · 91e0cc0 · 91e0cc0
1 parent 1445660
commit 91e0cc0
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/aioquic/quic/connection.py b/src/aioquic/quic/connection.py
@@ -730,6 +730,15 @@ def receive_datagram(self, data: bytes, addr: NetworkAddress, now: float) -> Non
                     buf, host_cid_length=self._configuration.connection_id_length
                 )
             except ValueError:
+                if self._quic_logger is not None:
+                    self._quic_logger.log_event(
+                        category="transport",
+                        event="packet_dropped",
+                        data={
+                            "trigger": "header_parse_error",
+                            "raw": {"length": buf.capacity - start_off},
+                        },
+                    )
                 return
 
             # check destination CID matches