io.netty.channel.epoll

Class Native

java.lang.Object

io.netty.channel.epoll.Native

public final class Native
extends java.lang.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 int	IOV_MAX
static boolean	IS_SUPPORTING_SENDMMSG
static boolean	IS_SUPPORTING_TCP_FASTOPEN
static java.lang.String	KERNEL_VERSION
private static java.nio.channels.ClosedChannelException	SENDFILE_CLOSED_CHANNEL_EXCEPTION
private static Errors.NativeIoException	SENDFILE_CONNECTION_RESET_EXCEPTION
private static java.nio.channels.ClosedChannelException	SENDMMSG_CLOSED_CHANNEL_EXCEPTION
private static Errors.NativeIoException	SENDMMSG_CONNECTION_RESET_EXCEPTION
private static java.nio.channels.ClosedChannelException	SPLICE_CLOSED_CHANNEL_EXCEPTION
private static Errors.NativeIoException	SPLICE_CONNECTION_RESET_EXCEPTION
static long	SSIZE_MAX
static int	TCP_MD5SIG_MAXKEYLEN
static int	UIO_MAX_IOV

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Native()

Method Summary

Modifier and Type	Method and Description
private static int	epollCreate()
static void	epollCtlAdd(int efd, int fd, int flags)
private static int	epollCtlAdd0(int efd, int fd, int flags)
static void	epollCtlDel(int efd, int fd)
private static int	epollCtlDel0(int efd, int fd)
static void	epollCtlMod(int efd, int fd, int flags)
private static int	epollCtlMod0(int efd, int fd, int flags)
static int	epollWait(int efd, EpollEventArray events, int timeout)
private static int	epollWait0(int efd, long address, int len, int timeout)
private static int	eventFd()
static void	eventFdRead(int fd)
static void	eventFdWrite(int fd, long value)
static int	getTcpKeepCnt(int fd)
static int	getTcpKeepIdle(int fd)
static int	getTcpKeepIntvl(int fd)
static int	getTcpNotSentLowAt(int fd)
static int	getTcpUserTimeout(int milliseconds)
static int	getTrafficClass(int fd)
static int	isBroadcast(int fd)
static int	isIpFreeBind(int fd)
static int	isReuseAddress(int fd)
static int	isReusePort(int fd)
private static void	loadNativeLibrary()
static FileDescriptor	newEpollCreate()
static FileDescriptor	newEventFd()
static int	offsetofEpollData()
static int	recvFd(int fd)
private static int	recvFd0(int fd)
static int	sendFd(int socketFd, int fd)
private static int	sendFd0(int socketFd, int fd)
static long	sendfile(int dest, DefaultFileRegion src, long baseOffset, long offset, long length)
private static long	sendfile0(int dest, DefaultFileRegion src, long baseOffset, long offset, long length)
static int	sendmmsg(int fd, NativeDatagramPacketArray.NativeDatagramPacket[] msgs, int offset, int len)
private static int	sendmmsg0(int fd, NativeDatagramPacketArray.NativeDatagramPacket[] msgs, int offset, int len)
static void	setBroadcast(int fd, int broadcast)
static void	setIpFreeBind(int fd, int freeBind)
static void	setReuseAddress(int fd, int reuseAddress)
static void	setReusePort(int fd, int reuseAddress)
static void	setTcpFastopen(int fd, int tcpFastopenBacklog)
static void	setTcpKeepCnt(int fd, int probes)
static void	setTcpKeepIdle(int fd, int seconds)
static void	setTcpKeepIntvl(int fd, int seconds)
static void	setTcpMd5Sig(int fd, java.net.InetAddress address, byte[] key)
private static void	setTcpMd5Sig0(int fd, byte[] address, int scopeId, byte[] key)
static void	setTcpNotSentLowAt(int fd, int tcpNotSentLowAt)
static void	setTcpUserTimeout(int fd, int milliseconds)
static void	setTrafficClass(int fd, int tcpNoDelay)
static int	sizeofEpollEvent()
static int	splice(int fd, long offIn, int fdOut, long offOut, long len)
private static int	splice0(int fd, long offIn, int fdOut, long offOut, long len)
static void	tcpInfo(int fd, EpollTcpInfo info)
private static void	tcpInfo0(int fd, int[] array)

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

IOV_MAX

public static final int IOV_MAX

UIO_MAX_IOV

public static final int UIO_MAX_IOV

IS_SUPPORTING_SENDMMSG

public static final boolean IS_SUPPORTING_SENDMMSG

IS_SUPPORTING_TCP_FASTOPEN

public static final boolean IS_SUPPORTING_TCP_FASTOPEN

SSIZE_MAX

public static final long SSIZE_MAX

TCP_MD5SIG_MAXKEYLEN

public static final int TCP_MD5SIG_MAXKEYLEN

KERNEL_VERSION

public static final java.lang.String KERNEL_VERSION

SENDFILE_CONNECTION_RESET_EXCEPTION

private static final Errors.NativeIoException SENDFILE_CONNECTION_RESET_EXCEPTION

SENDMMSG_CONNECTION_RESET_EXCEPTION

private static final Errors.NativeIoException SENDMMSG_CONNECTION_RESET_EXCEPTION

SPLICE_CONNECTION_RESET_EXCEPTION

private static final Errors.NativeIoException SPLICE_CONNECTION_RESET_EXCEPTION

SENDFILE_CLOSED_CHANNEL_EXCEPTION

private static final java.nio.channels.ClosedChannelException SENDFILE_CLOSED_CHANNEL_EXCEPTION

SENDMMSG_CLOSED_CHANNEL_EXCEPTION

private static final java.nio.channels.ClosedChannelException SENDMMSG_CLOSED_CHANNEL_EXCEPTION

SPLICE_CLOSED_CHANNEL_EXCEPTION

private static final java.nio.channels.ClosedChannelException SPLICE_CLOSED_CHANNEL_EXCEPTION

Constructor Detail

Native

private Native()

Method Detail

newEventFd

public static FileDescriptor newEventFd()

eventFd

private static int eventFd()

eventFdWrite

public static void eventFdWrite(int fd,
                                long value)

eventFdRead

public static void eventFdRead(int fd)

newEpollCreate

public static FileDescriptor newEpollCreate()

epollCreate

private static int epollCreate()

epollWait

public static int epollWait(int efd,
                            EpollEventArray events,
                            int timeout)
                     throws java.io.IOException

Throws:

java.io.IOException

epollWait0

private static int epollWait0(int efd,
                              long address,
                              int len,
                              int timeout)

epollCtlAdd

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

Throws:

java.io.IOException

epollCtlAdd0

private static int epollCtlAdd0(int efd,
                                int fd,
                                int flags)

epollCtlMod

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

Throws:

java.io.IOException

epollCtlMod0

private static int epollCtlMod0(int efd,
                                int fd,
                                int flags)

epollCtlDel

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

Throws:

java.io.IOException

epollCtlDel0

private static int epollCtlDel0(int efd,
                                int fd)

splice

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

Throws:

java.io.IOException

splice0

private static int splice0(int fd,
                           long offIn,
                           int fdOut,
                           long offOut,
                           long len)

sendfile

public static long sendfile(int dest,
                            DefaultFileRegion src,
                            long baseOffset,
                            long offset,
                            long length)
                     throws java.io.IOException

Throws:

java.io.IOException

sendfile0

private static long sendfile0(int dest,
                              DefaultFileRegion src,
                              long baseOffset,
                              long offset,
                              long length)
                       throws java.io.IOException

Throws:

java.io.IOException

sendmmsg

public static int sendmmsg(int fd,
                           NativeDatagramPacketArray.NativeDatagramPacket[] msgs,
                           int offset,
                           int len)
                    throws java.io.IOException

Throws:

java.io.IOException

sendmmsg0

private static int sendmmsg0(int fd,
                             NativeDatagramPacketArray.NativeDatagramPacket[] msgs,
                             int offset,
                             int len)

recvFd

public static int recvFd(int fd)
                  throws java.io.IOException

Throws:

java.io.IOException

recvFd0

private static int recvFd0(int fd)

sendFd

public static int sendFd(int socketFd,
                         int fd)
                  throws java.io.IOException

Throws:

java.io.IOException

sendFd0

private static int sendFd0(int socketFd,
                           int fd)

isReuseAddress

public static int isReuseAddress(int fd)
                          throws java.io.IOException

Throws:

java.io.IOException

isReusePort

public static int isReusePort(int fd)
                       throws java.io.IOException

Throws:

java.io.IOException

getTcpNotSentLowAt

public static int getTcpNotSentLowAt(int fd)
                              throws java.io.IOException

Throws:

java.io.IOException

getTrafficClass

public static int getTrafficClass(int fd)
                           throws java.io.IOException

Throws:

java.io.IOException

isBroadcast

public static int isBroadcast(int fd)
                       throws java.io.IOException

Throws:

java.io.IOException

getTcpKeepIdle

public static int getTcpKeepIdle(int fd)
                          throws java.io.IOException

Throws:

java.io.IOException

getTcpKeepIntvl

public static int getTcpKeepIntvl(int fd)
                           throws java.io.IOException

Throws:

java.io.IOException

getTcpKeepCnt

public static int getTcpKeepCnt(int fd)
                         throws java.io.IOException

Throws:

java.io.IOException

getTcpUserTimeout

public static int getTcpUserTimeout(int milliseconds)
                             throws java.io.IOException

Throws:

java.io.IOException

isIpFreeBind

public static int isIpFreeBind(int fd)
                        throws java.io.IOException

Throws:

java.io.IOException

setReuseAddress

public static void setReuseAddress(int fd,
                                   int reuseAddress)
                            throws java.io.IOException

Throws:

java.io.IOException

setReusePort

public static void setReusePort(int fd,
                                int reuseAddress)
                         throws java.io.IOException

Throws:

java.io.IOException

setTcpFastopen

public static void setTcpFastopen(int fd,
                                  int tcpFastopenBacklog)
                           throws java.io.IOException

Throws:

java.io.IOException

setTcpNotSentLowAt

public static void setTcpNotSentLowAt(int fd,
                                      int tcpNotSentLowAt)
                               throws java.io.IOException

Throws:

java.io.IOException

setTrafficClass

public static void setTrafficClass(int fd,
                                   int tcpNoDelay)
                            throws java.io.IOException

Throws:

java.io.IOException

setBroadcast

public static void setBroadcast(int fd,
                                int broadcast)
                         throws java.io.IOException

Throws:

java.io.IOException

setTcpKeepIdle

public static void setTcpKeepIdle(int fd,
                                  int seconds)
                           throws java.io.IOException

Throws:

java.io.IOException

setTcpKeepIntvl

public static void setTcpKeepIntvl(int fd,
                                   int seconds)
                            throws java.io.IOException

Throws:

java.io.IOException

setTcpKeepCnt

public static void setTcpKeepCnt(int fd,
                                 int probes)
                          throws java.io.IOException

Throws:

java.io.IOException

setTcpUserTimeout

public static void setTcpUserTimeout(int fd,
                                     int milliseconds)
                              throws java.io.IOException

Throws:

java.io.IOException

setIpFreeBind

public static void setIpFreeBind(int fd,
                                 int freeBind)
                          throws java.io.IOException

Throws:

java.io.IOException

tcpInfo

public static void tcpInfo(int fd,
                           EpollTcpInfo info)
                    throws java.io.IOException

Throws:

java.io.IOException

tcpInfo0

private static void tcpInfo0(int fd,
                             int[] array)
                      throws java.io.IOException

Throws:

java.io.IOException

setTcpMd5Sig

public static void setTcpMd5Sig(int fd,
                                java.net.InetAddress address,
                                byte[] key)
                         throws java.io.IOException

Throws:

java.io.IOException

setTcpMd5Sig0

private static void setTcpMd5Sig0(int fd,
                                  byte[] address,
                                  int scopeId,
                                  byte[] key)
                           throws java.io.IOException

Throws:

java.io.IOException

sizeofEpollEvent

public static int sizeofEpollEvent()

offsetofEpollData

public static int offsetofEpollData()

loadNativeLibrary

private static void loadNativeLibrary()