194 /// An iterator over QUIC Connection IDs.
217     /// All the Destination Connection IDs provided by our peer.
220     /// All the Source Connection IDs we provide to our peer.
223     /// Source Connection IDs that should be announced to the peer.
226     /// Retired Destination Connection IDs that should be announced to the peer.
229     /// Retired Source Connection IDs that should be notified to the
245     /// The maximum number of source Connection IDs our peer allows us.
268         // Initially, the limit of active source connection IDs is 2.  in new()
278         // Connection IDs when the host wants to force their renewal.  in new()
312     /// Sets the maximum number of source connection IDs our peer allows us.
321             // Connection IDs when the host wants to force their renewal.  in set_source_conn_id_limit()
343     /// At any time, the peer cannot have more Destination Connection IDs than
344     /// the maximum number of active Connection IDs it negotiated. In such case
346     /// if the caller agrees to request the removal of previous connection IDs,
352     /// unannounced Connection IDs.
376         // Check whether the number of source Connection IDs does not exceed the  in new_scid()
452         // sequence number is used for different connection IDs, the endpoint  in new_dcid()
501         // active connection IDs, if the number of active connection IDs exceeds  in new_dcid()
656     /// Returns the number of Source Connection IDs that have not been
660     /// length Source Connection IDs.
666     /// Returns the number of Destination Connection IDs that have not been
670     /// Destination Connection IDs.
738     /// Gets a destination Connection IDs's sequence number that need to send
748     /// Returns true if there are new source Connection IDs to advertise.
754     /// Returns true if there are retired destination Connection IDs to\
787     /// Returns the number of source Connection IDs that are active. This is
788     /// only meaningful if the host uses non-zero length Source Connection IDs.
809         let mut ids = ConnectionIdentifiers::new(2, &scid, 0, None);  in ids_new_scids()  localVariable
810         ids.set_source_conn_id_limit(3);  in ids_new_scids()
811         ids.set_initial_dcid(dcid, None, Some(0));  in ids_new_scids()
813         assert_eq!(ids.available_dcids(), 0);  in ids_new_scids()
814         assert_eq!(ids.available_scids(), 0);  in ids_new_scids()
815         assert_eq!(ids.has_new_scids(), false);  in ids_new_scids()
816         assert_eq!(ids.next_advertise_new_scid_seq(), None);  in ids_new_scids()
820         assert_eq!(ids.new_scid(scid2, Some(rt2), true, None, false), Ok(1));  in ids_new_scids()
821         assert_eq!(ids.available_dcids(), 0);  in ids_new_scids()
822         assert_eq!(ids.available_scids(), 1);  in ids_new_scids()
823         assert_eq!(ids.has_new_scids(), true);  in ids_new_scids()
824         assert_eq!(ids.next_advertise_new_scid_seq(), Some(1));  in ids_new_scids()
828         assert_eq!(ids.new_scid(scid3, Some(rt3), true, None, false), Ok(2));  in ids_new_scids()
829         assert_eq!(ids.available_dcids(), 0);  in ids_new_scids()
830         assert_eq!(ids.available_scids(), 2);  in ids_new_scids()
831         assert_eq!(ids.has_new_scids(), true);  in ids_new_scids()
832         assert_eq!(ids.next_advertise_new_scid_seq(), Some(1));  in ids_new_scids()
839             ids.new_scid(scid4, Some(rt4), true, None, false),  in ids_new_scids()
842         assert_eq!(ids.available_dcids(), 0);  in ids_new_scids()
843         assert_eq!(ids.available_scids(), 2);  in ids_new_scids()
844         assert_eq!(ids.has_new_scids(), true);  in ids_new_scids()
845         assert_eq!(ids.next_advertise_new_scid_seq(), Some(1));  in ids_new_scids()
848         ids.mark_advertise_new_scid_seq(1, false);  in ids_new_scids()
849         assert_eq!(ids.available_dcids(), 0);  in ids_new_scids()
850         assert_eq!(ids.available_scids(), 2);  in ids_new_scids()
851         assert_eq!(ids.has_new_scids(), true);  in ids_new_scids()
852         assert_eq!(ids.next_advertise_new_scid_seq(), Some(2));  in ids_new_scids()
855         ids.mark_advertise_new_scid_seq(2, false);  in ids_new_scids()
857         assert_eq!(ids.available_dcids(), 0);  in ids_new_scids()
858         assert_eq!(ids.available_scids(), 2);  in ids_new_scids()
859         assert_eq!(ids.has_new_scids(), false);  in ids_new_scids()
860         assert_eq!(ids.next_advertise_new_scid_seq(), None);  in ids_new_scids()
868         let mut ids = ConnectionIdentifiers::new(2, &scid, 0, None);  in new_dcid_event()  localVariable
869         ids.set_initial_dcid(dcid, None, Some(0));  in new_dcid_event()
871         assert_eq!(ids.available_dcids(), 0);  in new_dcid_event()
872         assert_eq!(ids.dcids.len(), 1);  in new_dcid_event()
877             ids.new_dcid(dcid2.clone(), 1, rt2, 0),  in new_dcid_event()
880         assert_eq!(ids.available_dcids(), 1);  in new_dcid_event()
881         assert_eq!(ids.dcids.len(), 2);  in new_dcid_event()
884         // Connection IDs than the advertised limit. This is valid if it  in new_dcid_event()
885         // requests its peer to retire enough Connection IDs to fit within the  in new_dcid_event()
888         assert_eq!(ids.new_dcid(dcid3.clone(), 2, rt3, 1), Ok(vec![(0, 0)]));  in new_dcid_event()
890         ids.link_dcid_to_path_id(1, 0).unwrap();  in new_dcid_event()
891         assert_eq!(ids.available_dcids(), 1);  in new_dcid_event()
892         assert_eq!(ids.dcids.len(), 2);  in new_dcid_event()
893         assert_eq!(ids.has_retire_dcids(), true);  in new_dcid_event()
894         assert_eq!(ids.next_retire_dcid_seq(), Some(0));  in new_dcid_event()
897         ids.mark_retire_dcid_seq(0, false);  in new_dcid_event()
898         assert_eq!(ids.has_retire_dcids(), false);  in new_dcid_event()
899         assert_eq!(ids.next_retire_dcid_seq(), None);  in new_dcid_event()
903         assert_eq!(ids.retire_dcid(0), Err(Error::InvalidState));  in new_dcid_event()
904         assert_eq!(ids.retire_dcid(3), Err(Error::InvalidState));  in new_dcid_event()
905         assert_eq!(ids.has_retire_dcids(), false);  in new_dcid_event()
906         assert_eq!(ids.dcids.len(), 2);  in new_dcid_event()
909         assert_eq!(ids.retire_dcid(1), Ok(Some(0)));  in new_dcid_event()
911         ids.link_dcid_to_path_id(2, 0).unwrap();  in new_dcid_event()
912         assert_eq!(ids.available_dcids(), 0);  in new_dcid_event()
913         assert_eq!(ids.has_retire_dcids(), true);  in new_dcid_event()
914         assert_eq!(ids.next_retire_dcid_seq(), Some(1));  in new_dcid_event()
915         assert_eq!(ids.dcids.len(), 1);  in new_dcid_event()
918         ids.mark_retire_dcid_seq(1, false);  in new_dcid_event()
919         assert_eq!(ids.has_retire_dcids(), false);  in new_dcid_event()
920         assert_eq!(ids.next_retire_dcid_seq(), None);  in new_dcid_event()
923         assert_eq!(ids.retire_dcid(2), Err(Error::OutOfIdentifiers));  in new_dcid_event()
924         assert_eq!(ids.available_dcids(), 0);  in new_dcid_event()
925         assert_eq!(ids.has_retire_dcids(), false);  in new_dcid_event()
926         assert_eq!(ids.dcids.len(), 1);  in new_dcid_event()
934         let mut ids = ConnectionIdentifiers::new(3, &scid, 0, None);  in retire_scids()  localVariable
935         ids.set_initial_dcid(dcid, None, Some(0));  in retire_scids()
936         ids.set_source_conn_id_limit(3);  in retire_scids()
942             ids.new_scid(scid2.clone(), Some(rt2), true, None, false),  in retire_scids()
945         assert_eq!(ids.scids.len(), 2);  in retire_scids()
947             ids.new_scid(scid3.clone(), Some(rt3), true, None, false),  in retire_scids()
950         assert_eq!(ids.scids.len(), 3);  in retire_scids()
952         assert_eq!(ids.pop_retired_scid(), None);  in retire_scids()
954         assert_eq!(ids.retire_scid(0, &scid2), Ok(Some(0)));  in retire_scids()
956         assert_eq!(ids.pop_retired_scid(), Some(scid));  in retire_scids()
957         assert_eq!(ids.pop_retired_scid(), None);  in retire_scids()
959         assert_eq!(ids.retire_scid(1, &scid3), Ok(None));  in retire_scids()
961         assert_eq!(ids.pop_retired_scid(), Some(scid2));  in retire_scids()
962         assert_eq!(ids.pop_retired_scid(), None);  in retire_scids()