Class Epoll

java.lang.Object
io.netty.channel.epoll.Epoll
public final class Epoll extends java.lang.Object
Tells if netty-transport-native-epoll is supported.

  • Field Details

    • UNAVAILABILITY_CAUSE

      private static final java.lang.Throwable UNAVAILABILITY_CAUSE

  • Constructor Details

    • Epoll

      private Epoll()

  • Method Details

    • isAvailable

      public static boolean isAvailable()
      Returns true if and only if the netty-transport-native-epoll is available.

    • ensureAvailability

      public static void ensureAvailability()
      Ensure that netty-transport-native-epoll is available.
      Throws:
      java.lang.UnsatisfiedLinkError - if unavailable

    • unavailabilityCause

      public static java.lang.Throwable unavailabilityCause()
      Returns the cause of unavailability of netty-transport-native-epoll.
      Returns:
      the cause if unavailable. null if available.

    • isTcpFastOpenClientSideAvailable

      public static boolean isTcpFastOpenClientSideAvailable()
      Returns true if the epoll native transport is both available and supports client-side TCP FastOpen.
      Returns:
      true if it's possible to use client-side TCP FastOpen via epoll, otherwise false.

    • isTcpFastOpenServerSideAvailable

      public static boolean isTcpFastOpenServerSideAvailable()
      Returns true if the epoll native transport is both available and supports server-side TCP FastOpen.
      Returns:
      true if it's possible to use server-side TCP FastOpen via epoll, otherwise false.