io.netty.channel.epoll

Class Epoll

java.lang.Object

io.netty.channel.epoll.Epoll

public final class Epoll
extends Object

Tells if netty-transport-native-epoll is supported.

Method Summary

Modifier and Type	Method and Description
static void	ensureAvailability() Ensure that netty-transport-native-epoll is available.
static boolean	isAvailable() Returns true if and only if the netty-transport-native-epoll is available.
static boolean	isTcpFastOpenClientSideAvailable() Returns true if the epoll native transport is both available and supports client-side TCP FastOpen.
static boolean	isTcpFastOpenServerSideAvailable() Returns true if the epoll native transport is both available and supports server-side TCP FastOpen.
static Throwable	unavailabilityCause() Returns the cause of unavailability of netty-transport-native-epoll.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

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:

UnsatisfiedLinkError - if unavailable

unavailabilityCause

public static 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.