Package org.onosproject.net.packet

Interface PacketInFilter

  • All Known Implementing Classes:
    DefaultPacketInFilter
    public interface PacketInFilter
    Abstraction of incoming packet filter.

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Interface Description
      static class  PacketInFilter.FilterAction
      Types of filter action applied to incoming packets.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      int droppedPackets()
      Get the count of the dropped packets for this filter type.
      String name()
      Get the name of the counter.
      int pendingPackets()
      Get the current value of the count of packets for this particular filter type waiting to get processed.
      PacketInFilter.FilterAction preProcess​(PacketContext packet)
      Returns FilterAction before processing the packet.
      void setGuardTime​(int guardTime)
      Set the Guard time in case WinThres is crossed.
      void setPps​(int pps)
      Set the pps rate for the current filter type to calculate the max counter allowed with window size.
      void setWinSize​(int winSize)
      Set the window size for rate limiting.
      void setWinThres​(int winThres)
      Set the Window Threshold for dropping the packet.
      void stop()
      Stop the threads running for this filter.

    • Method Detail

      • preProcess

        PacketInFilter.FilterAction preProcess​(PacketContext packet)
        Returns FilterAction before processing the packet. Decides if the packet is allowed to be processed or not.
        Parameters:
        packet - PackerContext holding the packet information
        Returns:
        FilterAction

      • name

        String name()
        Get the name of the counter.
        Returns:
        name of the counter

      • pendingPackets

        int pendingPackets()
        Get the current value of the count of packets for this particular filter type waiting to get processed.
        Returns:
        count of packets with current filter type waiting to get processed

      • droppedPackets

        int droppedPackets()
        Get the count of the dropped packets for this filter type.
        Returns:
        count of dropped packets for this filter type

      • setPps

        void setPps​(int pps)
        Set the pps rate for the current filter type to calculate the max counter allowed with window size.
        Parameters:
        pps - Packet per second rate expected

      • setWinSize

        void setWinSize​(int winSize)
        Set the window size for rate limiting.
        Parameters:
        winSize - Window size in milli seconds

      • setGuardTime

        void setGuardTime​(int guardTime)
        Set the Guard time in case WinThres is crossed.
        Parameters:
        guardTime - Guard time in seconds

      • setWinThres

        void setWinThres​(int winThres)
        Set the Window Threshold for dropping the packet.
        Parameters:
        winThres - Threshold count of the consecutive windows with packet drops

      • stop

        void stop()
        Stop the threads running for this filter.