io.netty.channel.epoll

Class Native

java.lang.Object

io.netty.channel.epoll.Native

public final class Native
extends Object

Native helper methods

Internal usage only!

Static members which call JNI methods must be defined in NativeStaticallyReferencedJniMethods.

Field Summary

Fields

Modifier and Type	Field and Description
static int	EPOLLERR
static int	EPOLLET
static int	EPOLLIN
static int	EPOLLOUT
static int	EPOLLRDHUP
static boolean	IS_SUPPORTING_SENDMMSG
static boolean	IS_SUPPORTING_TCP_FASTOPEN Deprecated. Use Epoll.isTcpFastOpenClientSideAvailable() or Epoll.isTcpFastOpenServerSideAvailable().
static String	KERNEL_VERSION
static int	TCP_MD5SIG_MAXKEYLEN

Method Summary

Modifier and Type	Method and Description
static int	epollBusyWait(FileDescriptor epollFd, EpollEventArray events) Non-blocking variant of epollWait(FileDescriptor, EpollEventArray, FileDescriptor, int, int) that will also hint to processor we are in a busy-wait loop.
static void	epollCtlAdd(int efd, int fd, int flags)
static void	epollCtlDel(int efd, int fd)
static void	epollCtlMod(int efd, int fd, int flags)
static int	epollWait(FileDescriptor epollFd, EpollEventArray events, FileDescriptor timerFd, int timeoutSec, int timeoutNs) Deprecated. this method is no longer supported. This functionality is internal to this package.
static void	eventFdRead(int fd)
static void	eventFdWrite(int fd, long value)
static FileDescriptor	newEpollCreate()
static FileDescriptor	newEventFd()
static FileDescriptor	newTimerFd()
static int	offsetofEpollData()
static int	sendmmsg(int fd, io.netty.channel.epoll.NativeDatagramPacketArray.NativeDatagramPacket[] msgs, int offset, int len) Deprecated.
static int	sizeofEpollEvent()
static int	splice(int fd, long offIn, int fdOut, long offOut, long len)

Methods inherited from class java.lang.Object

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

Field Detail

EPOLLIN

public static final int EPOLLIN

EPOLLOUT

public static final int EPOLLOUT

EPOLLRDHUP

public static final int EPOLLRDHUP

EPOLLET

public static final int EPOLLET

EPOLLERR

public static final int EPOLLERR

IS_SUPPORTING_SENDMMSG

public static final boolean IS_SUPPORTING_SENDMMSG

IS_SUPPORTING_TCP_FASTOPEN

@Deprecated
public static final boolean IS_SUPPORTING_TCP_FASTOPEN

Deprecated. Use Epoll.isTcpFastOpenClientSideAvailable() or Epoll.isTcpFastOpenServerSideAvailable().

TCP_MD5SIG_MAXKEYLEN

public static final int TCP_MD5SIG_MAXKEYLEN

KERNEL_VERSION

public static final String KERNEL_VERSION

Method Detail

newEventFd

public static FileDescriptor newEventFd()

newTimerFd

public static FileDescriptor newTimerFd()

eventFdWrite

public static void eventFdWrite(int fd,
                                long value)

eventFdRead

public static void eventFdRead(int fd)

newEpollCreate

public static FileDescriptor newEpollCreate()

epollWait

@Deprecated
public static int epollWait(FileDescriptor epollFd,
                                        EpollEventArray events,
                                        FileDescriptor timerFd,
                                        int timeoutSec,
                                        int timeoutNs)
                                 throws IOException

Deprecated. this method is no longer supported. This functionality is internal to this package.

Throws:

IOException

epollBusyWait

public static int epollBusyWait(FileDescriptor epollFd,
                                EpollEventArray events)
                         throws IOException

Non-blocking variant of epollWait(FileDescriptor, EpollEventArray, FileDescriptor, int, int) that will also hint to processor we are in a busy-wait loop.

Throws:

IOException

epollCtlAdd

public static void epollCtlAdd(int efd,
                               int fd,
                               int flags)
                        throws IOException

Throws:

IOException

epollCtlMod

public static void epollCtlMod(int efd,
                               int fd,
                               int flags)
                        throws IOException

Throws:

IOException

epollCtlDel

public static void epollCtlDel(int efd,
                               int fd)
                        throws IOException

Throws:

IOException

splice

public static int splice(int fd,
                         long offIn,
                         int fdOut,
                         long offOut,
                         long len)
                  throws IOException

Throws:

IOException

sendmmsg

@Deprecated
public static int sendmmsg(int fd,
                                       io.netty.channel.epoll.NativeDatagramPacketArray.NativeDatagramPacket[] msgs,
                                       int offset,
                                       int len)
                                throws IOException

Deprecated.

Throws:

IOException

sizeofEpollEvent

public static int sizeofEpollEvent()

offsetofEpollData

public static int offsetofEpollData()