java.lang.Object
- one.nio.net.Socket

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.nio.channels.ByteChannel, java.nio.channels.Channel, java.nio.channels.ReadableByteChannel, java.nio.channels.WritableByteChannel

Direct Known Subclasses:

JavaSslClientSocket, NativeSocket, SelectableJavaSocket
```
public abstract class Socket
extends java.lang.Object
implements java.nio.channels.ByteChannel
```

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`AF_INET`
`static int`	`AF_INET6`
`static int`	`AF_UNIX`
`static int`	`IPTOS_LOWDELAY`
`static int`	`IPTOS_MINCOST`
`static int`	`IPTOS_RELIABILITY`
`static int`	`IPTOS_THROUGHPUT`
`static int`	`MSG_DONTROUTE`
`static int`	`MSG_DONTWAIT`
`static int`	`MSG_MORE`
`static int`	`MSG_OOB`
`static int`	`MSG_PEEK`
`static int`	`MSG_TRUNC`
`static int`	`MSG_WAITALL`
`static int`	`NO_PORT`
`static int`	`SO_BROADCAST`
`static int`	`SO_BSDCOMPAT`
`static int`	`SO_DEBUG`
`static int`	`SO_DONTROUTE`
`static int`	`SO_ERROR`
`static int`	`SO_KEEPALIVE`
`static int`	`SO_LINGER`
`static int`	`SO_NO_CHECK`
`static int`	`SO_OOBINLINE`
`static int`	`SO_PASSCRED`
`static int`	`SO_PEERCRED`
`static int`	`SO_PRIORITY`
`static int`	`SO_RCVBUF`
`static int`	`SO_RCVLOWAT`
`static int`	`SO_RCVTIMEO`
`static int`	`SO_REUSEADDR`
`static int`	`SO_REUSEPORT`
`static int`	`SO_SNDBUF`
`static int`	`SO_SNDLOWAT`
`static int`	`SO_SNDTIMEO`
`static int`	`SO_TYPE`
`static int`	`SOCK_DGRAM`
`static int`	`SOCK_RAW`
`static int`	`SOCK_RDM`
`static int`	`SOCK_SEQPACKET`
`static int`	`SOCK_STREAM`
`static int`	`SOL_IP`
`static int`	`SOL_IPV6`
`static int`	`SOL_SOCKET`
`static int`	`SOL_TCP`
`static int`	`SOL_UDP`
`static int`	`TCP_CONGESTION`
`static int`	`TCP_CORK`
`static int`	`TCP_DEFER_ACCEPT`
`static int`	`TCP_INFO`
`static int`	`TCP_KEEPCNT`
`static int`	`TCP_KEEPIDLE`
`static int`	`TCP_KEEPINTVL`
`static int`	`TCP_LINGER2`
`static int`	`TCP_MAXSEG`
`static int`	`TCP_NODELAY`
`static int`	`TCP_QUICKACK`
`static int`	`TCP_SYNCNT`
`static int`	`TCP_USER_TIMEOUT`
`static int`	`TCP_WINDOW_CLAMP`

Constructor Summary

Constructors
Constructor Description

Socket()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`abstract Socket`	`accept()`
`Socket`	`acceptNonBlocking()`
`void`	`bind(java.lang.String host, int port, int backlog)`
`abstract void`	`bind(java.net.InetAddress address, int port, int backlog)`
`static Socket`	`bindInet(java.net.InetAddress address, int port, int backlog)`
`static Socket`	`bindUnix(java.io.File unixPath, int backlog)`
`abstract void`	`close()`
`void`	`connect(java.lang.String host, int port)`
`abstract void`	`connect(java.net.InetAddress address, int port)`
`static Socket`	`connectInet(java.net.InetAddress address, int port)`
`static Socket`	`connectUnix(java.io.File unixPath)`
`static Socket`	`create()`	Deprecated.
`static Socket`	`createClientSocket()`
`static Socket`	`createClientSocket(SslContext sslContext)`
`static Socket`	`createDatagramSocket()`
`static Socket`	`createServerSocket()`
`static Socket`	`createUnixSocket(int type)`
`static Socket`	`fromFD(int fd)`
`abstract boolean`	`getDeferAccept()`
`abstract boolean`	`getKeepAlive()`
`abstract java.net.InetSocketAddress`	`getLocalAddress()`
`abstract boolean`	`getNoDelay()`
`int`	`getNotsentLowat()`
`abstract byte[]`	`getOption(int level, int option)`
`abstract int`	`getRecvBuffer()`
`abstract java.net.InetSocketAddress`	`getRemoteAddress()`
`abstract boolean`	`getReuseAddr()`
`abstract boolean`	`getReusePort()`
`abstract int`	`getSendBuffer()`
`abstract SslContext`	`getSslContext()`
`abstract <T> T`	`getSslOption(SslOption<T> option)`
`abstract boolean`	`getTcpFastOpen()`
`boolean`	`getThinLinearTimeouts()`
`abstract int`	`getTimeout()`
`abstract int`	`getTos()`
`void`	`handshake()`
`abstract boolean`	`isBlocking()`
`abstract boolean`	`isOpen()`
`abstract void`	`listen(int backlog)`
`int`	`read(byte[] data, int offset, int count)`
`abstract int`	`read(byte[] data, int offset, int count, int flags)`
`abstract void`	`readFully(byte[] data, int offset, int count)`
`abstract int`	`readRaw(long buf, int count, int flags)`
`abstract java.net.InetSocketAddress`	`recv(java.nio.ByteBuffer dst, int flags)`
`abstract int`	`recvMsg(Msg msg, int flags)`
`int`	`send(java.nio.ByteBuffer data, int flags, java.lang.String host, int port)`
`abstract int`	`send(java.nio.ByteBuffer src, int flags, java.net.InetAddress address, int port)`
`abstract long`	`sendFile(java.io.RandomAccessFile file, long offset, long count)`
`abstract int`	`sendMsg(Msg msg, int flags)`
`abstract void`	`setBlocking(boolean blocking)`
`abstract void`	`setDeferAccept(boolean deferAccept)`
`abstract void`	`setKeepAlive(boolean keepAlive)`
`abstract void`	`setNoDelay(boolean noDelay)`
`void`	`setNotsentLowat(int lowat)`
`abstract boolean`	`setOption(int level, int option, byte[] value)`
`abstract void`	`setRecvBuffer(int recvBuf)`
`abstract void`	`setReuseAddr(boolean reuseAddr, boolean reusePort)`
`abstract void`	`setSendBuffer(int sendBuf)`
`abstract void`	`setTcpFastOpen(boolean tcpFastOpen)`
`void`	`setThinLinearTimeouts(boolean thinLto)`
`abstract void`	`setTimeout(int timeout)`
`abstract void`	`setTos(int tos)`
`abstract Socket`	`sslUnwrap()`
`abstract Socket`	`sslWrap(SslContext context)`
`int`	`write(byte[] data, int offset, int count)`
`abstract int`	`write(byte[] data, int offset, int count, int flags)`
`abstract void`	`writeFully(byte[] data, int offset, int count)`
`abstract int`	`writeRaw(long buf, int count, int flags)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.nio.channels.ReadableByteChannel
read

Methods inherited from interface java.nio.channels.WritableByteChannel
write

Field Detail
- AF_UNIX
```
public static final int AF_UNIX
```
  See Also:
  
  Constant Field Values
- AF_INET
```
public static final int AF_INET
```
  See Also:
  
  Constant Field Values
- AF_INET6
```
public static final int AF_INET6
```
  See Also:
  
  Constant Field Values
- SOCK_STREAM
```
public static final int SOCK_STREAM
```
  See Also:
  
  Constant Field Values
- SOCK_DGRAM
```
public static final int SOCK_DGRAM
```
  See Also:
  
  Constant Field Values
- SOCK_RAW
```
public static final int SOCK_RAW
```
  See Also:
  
  Constant Field Values
- SOCK_RDM
```
public static final int SOCK_RDM
```
  See Also:
  
  Constant Field Values
- SOCK_SEQPACKET
```
public static final int SOCK_SEQPACKET
```
  See Also:
  
  Constant Field Values
- NO_PORT
```
public static final int NO_PORT
```
  See Also:
  
  Constant Field Values
- SOL_SOCKET
```
public static final int SOL_SOCKET
```
  See Also:
  
  Constant Field Values
- SOL_IP
```
public static final int SOL_IP
```
  See Also:
  
  Constant Field Values
- SOL_IPV6
```
public static final int SOL_IPV6
```
  See Also:
  
  Constant Field Values
- SOL_TCP
```
public static final int SOL_TCP
```
  See Also:
  
  Constant Field Values
- SOL_UDP
```
public static final int SOL_UDP
```
  See Also:
  
  Constant Field Values
- MSG_OOB
```
public static final int MSG_OOB
```
  See Also:
  
  Constant Field Values
- MSG_PEEK
```
public static final int MSG_PEEK
```
  See Also:
  
  Constant Field Values
- MSG_DONTROUTE
```
public static final int MSG_DONTROUTE
```
  See Also:
  
  Constant Field Values
- MSG_TRUNC
```
public static final int MSG_TRUNC
```
  See Also:
  
  Constant Field Values
- MSG_DONTWAIT
```
public static final int MSG_DONTWAIT
```
  See Also:
  
  Constant Field Values
- MSG_WAITALL
```
public static final int MSG_WAITALL
```
  See Also:
  
  Constant Field Values
- MSG_MORE
```
public static final int MSG_MORE
```
  See Also:
  
  Constant Field Values
- IPTOS_MINCOST
```
public static final int IPTOS_MINCOST
```
  See Also:
  
  Constant Field Values
- IPTOS_RELIABILITY
```
public static final int IPTOS_RELIABILITY
```
  See Also:
  
  Constant Field Values
- IPTOS_THROUGHPUT
```
public static final int IPTOS_THROUGHPUT
```
  See Also:
  
  Constant Field Values
- IPTOS_LOWDELAY
```
public static final int IPTOS_LOWDELAY
```
  See Also:
  
  Constant Field Values
- SO_DEBUG
```
public static final int SO_DEBUG
```
  See Also:
  
  Constant Field Values
- SO_REUSEADDR
```
public static final int SO_REUSEADDR
```
  See Also:
  
  Constant Field Values
- SO_TYPE
```
public static final int SO_TYPE
```
  See Also:
  
  Constant Field Values
- SO_ERROR
```
public static final int SO_ERROR
```
  See Also:
  
  Constant Field Values
- SO_DONTROUTE
```
public static final int SO_DONTROUTE
```
  See Also:
  
  Constant Field Values
- SO_BROADCAST
```
public static final int SO_BROADCAST
```
  See Also:
  
  Constant Field Values
- SO_SNDBUF
```
public static final int SO_SNDBUF
```
  See Also:
  
  Constant Field Values
- SO_RCVBUF
```
public static final int SO_RCVBUF
```
  See Also:
  
  Constant Field Values
- SO_KEEPALIVE
```
public static final int SO_KEEPALIVE
```
  See Also:
  
  Constant Field Values
- SO_OOBINLINE
```
public static final int SO_OOBINLINE
```
  See Also:
  
  Constant Field Values
- SO_NO_CHECK
```
public static final int SO_NO_CHECK
```
  See Also:
  
  Constant Field Values
- SO_PRIORITY
```
public static final int SO_PRIORITY
```
  See Also:
  
  Constant Field Values
- SO_LINGER
```
public static final int SO_LINGER
```
  See Also:
  
  Constant Field Values
- SO_BSDCOMPAT
```
public static final int SO_BSDCOMPAT
```
  See Also:
  
  Constant Field Values
- SO_REUSEPORT
```
public static final int SO_REUSEPORT
```
  See Also:
  
  Constant Field Values
- SO_PASSCRED
```
public static final int SO_PASSCRED
```
  See Also:
  
  Constant Field Values
- SO_PEERCRED
```
public static final int SO_PEERCRED
```
  See Also:
  
  Constant Field Values
- SO_RCVLOWAT
```
public static final int SO_RCVLOWAT
```
  See Also:
  
  Constant Field Values
- SO_SNDLOWAT
```
public static final int SO_SNDLOWAT
```
  See Also:
  
  Constant Field Values
- SO_RCVTIMEO
```
public static final int SO_RCVTIMEO
```
  See Also:
  
  Constant Field Values
- SO_SNDTIMEO
```
public static final int SO_SNDTIMEO
```
  See Also:
  
  Constant Field Values
- TCP_NODELAY
```
public static final int TCP_NODELAY
```
  See Also:
  
  Constant Field Values
- TCP_MAXSEG
```
public static final int TCP_MAXSEG
```
  See Also:
  
  Constant Field Values
- TCP_CORK
```
public static final int TCP_CORK
```
  See Also:
  
  Constant Field Values
- TCP_KEEPIDLE
```
public static final int TCP_KEEPIDLE
```
  See Also:
  
  Constant Field Values
- TCP_KEEPINTVL
```
public static final int TCP_KEEPINTVL
```
  See Also:
  
  Constant Field Values
- TCP_KEEPCNT
```
public static final int TCP_KEEPCNT
```
  See Also:
  
  Constant Field Values
- TCP_SYNCNT
```
public static final int TCP_SYNCNT
```
  See Also:
  
  Constant Field Values
- TCP_LINGER2
```
public static final int TCP_LINGER2
```
  See Also:
  
  Constant Field Values
- TCP_DEFER_ACCEPT
```
public static final int TCP_DEFER_ACCEPT
```
  See Also:
  
  Constant Field Values
- TCP_WINDOW_CLAMP
```
public static final int TCP_WINDOW_CLAMP
```
  See Also:
  
  Constant Field Values
- TCP_INFO
```
public static final int TCP_INFO
```
  See Also:
  
  Constant Field Values
- TCP_QUICKACK
```
public static final int TCP_QUICKACK
```
  See Also:
  
  Constant Field Values
- TCP_CONGESTION
```
public static final int TCP_CONGESTION
```
  See Also:
  
  Constant Field Values
- TCP_USER_TIMEOUT
```
public static final int TCP_USER_TIMEOUT
```
  See Also:
  
  Constant Field Values

Constructor Detail
- Socket
```
public Socket()
```

Method Detail

isOpen
```
public abstract boolean isOpen()
```
Specified by:

isOpen in interface java.nio.channels.Channel

close
```
public abstract void close()
```
Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.nio.channels.Channel

Specified by:

close in interface java.io.Closeable

accept

public abstract Socket accept()
                       throws java.io.IOException

Throws:: java.io.IOException

connect

public abstract void connect(java.net.InetAddress address,
                             int port)
                      throws java.io.IOException

Throws:: java.io.IOException

bind

public abstract void bind(java.net.InetAddress address,
                          int port,
                          int backlog)
                   throws java.io.IOException

Throws:: java.io.IOException

listen

public abstract void listen(int backlog)
                     throws java.io.IOException

Throws:: java.io.IOException

writeRaw

public abstract int writeRaw(long buf,
                             int count,
                             int flags)
                      throws java.io.IOException

Throws:: java.io.IOException

write

public abstract int write(byte[] data,
                          int offset,
                          int count,
                          int flags)
                   throws java.io.IOException

Throws:: java.io.IOException

writeFully

public abstract void writeFully(byte[] data,
                                int offset,
                                int count)
                         throws java.io.IOException

Throws:: java.io.IOException

send

public abstract int send(java.nio.ByteBuffer src,
                         int flags,
                         java.net.InetAddress address,
                         int port)
                  throws java.io.IOException

Throws:: java.io.IOException

readRaw

public abstract int readRaw(long buf,
                            int count,
                            int flags)
                     throws java.io.IOException

Throws:: java.io.IOException

read

public abstract int read(byte[] data,
                         int offset,
                         int count,
                         int flags)
                  throws java.io.IOException

Throws:: java.io.IOException

readFully

public abstract void readFully(byte[] data,
                               int offset,
                               int count)
                        throws java.io.IOException

Throws:: java.io.IOException

recv

public abstract java.net.InetSocketAddress recv(java.nio.ByteBuffer dst,
                                                int flags)
                                         throws java.io.IOException

Throws:: java.io.IOException

sendFile

public abstract long sendFile(java.io.RandomAccessFile file,
                              long offset,
                              long count)
                       throws java.io.IOException

Throws:: java.io.IOException

sendMsg

public abstract int sendMsg(Msg msg,
                            int flags)
                     throws java.io.IOException

Throws:: java.io.IOException

recvMsg

public abstract int recvMsg(Msg msg,
                            int flags)
                     throws java.io.IOException

Throws:: java.io.IOException

setBlocking

public abstract void setBlocking(boolean blocking)

isBlocking
```
public abstract boolean isBlocking()
```

setTimeout

public abstract void setTimeout(int timeout)

getTimeout
```
public abstract int getTimeout()
```

setKeepAlive

public abstract void setKeepAlive(boolean keepAlive)

getKeepAlive

public abstract boolean getKeepAlive()

setNoDelay

public abstract void setNoDelay(boolean noDelay)

getNoDelay
```
public abstract boolean getNoDelay()
```

setTcpFastOpen

public abstract void setTcpFastOpen(boolean tcpFastOpen)

getTcpFastOpen

public abstract boolean getTcpFastOpen()

setDeferAccept

public abstract void setDeferAccept(boolean deferAccept)

getDeferAccept

public abstract boolean getDeferAccept()

setReuseAddr

public abstract void setReuseAddr(boolean reuseAddr,
                                  boolean reusePort)

getReuseAddr

public abstract boolean getReuseAddr()

getReusePort

public abstract boolean getReusePort()

setRecvBuffer

public abstract void setRecvBuffer(int recvBuf)

getRecvBuffer
```
public abstract int getRecvBuffer()
```

setSendBuffer

public abstract void setSendBuffer(int sendBuf)

getSendBuffer
```
public abstract int getSendBuffer()
```

setTos

public abstract void setTos(int tos)

getTos
```
public abstract int getTos()
```

setNotsentLowat

public void setNotsentLowat(int lowat)

getNotsentLowat
```
public int getNotsentLowat()
```

setThinLinearTimeouts

public void setThinLinearTimeouts(boolean thinLto)

getThinLinearTimeouts

public boolean getThinLinearTimeouts()

getOption

public abstract byte[] getOption(int level,
                                 int option)

setOption

public abstract boolean setOption(int level,
                                  int option,
                                  byte[] value)

getLocalAddress

public abstract java.net.InetSocketAddress getLocalAddress()

getRemoteAddress

public abstract java.net.InetSocketAddress getRemoteAddress()

sslWrap

public abstract Socket sslWrap(SslContext context)
                        throws java.io.IOException

Throws:: java.io.IOException

sslUnwrap
```
public abstract Socket sslUnwrap()
```

getSslContext

public abstract SslContext getSslContext()

getSslOption

public abstract <T> T getSslOption(SslOption<T> option)

acceptNonBlocking

public Socket acceptNonBlocking()
                         throws java.io.IOException

Throws:: java.io.IOException

connect

public void connect(java.lang.String host,
                    int port)
             throws java.io.IOException

Throws:: java.io.IOException

bind

public void bind(java.lang.String host,
                 int port,
                 int backlog)
          throws java.io.IOException

Throws:: java.io.IOException

send

public int send(java.nio.ByteBuffer data,
                int flags,
                java.lang.String host,
                int port)
         throws java.io.IOException

Throws:: java.io.IOException

handshake

public void handshake()
               throws java.io.IOException

Throws:: java.io.IOException

write

public int write(byte[] data,
                 int offset,
                 int count)
          throws java.io.IOException

Throws:: java.io.IOException

read

public int read(byte[] data,
                int offset,
                int count)
         throws java.io.IOException

Throws:: java.io.IOException

create

@Deprecated
public static Socket create()
                     throws java.io.IOException

Deprecated.

Throws:: java.io.IOException

createClientSocket

public static Socket createClientSocket()
                                 throws java.io.IOException

Throws:: java.io.IOException

createClientSocket

public static Socket createClientSocket(SslContext sslContext)
                                 throws java.io.IOException

Throws:: java.io.IOException

createServerSocket

public static Socket createServerSocket()
                                 throws java.io.IOException

Throws:: java.io.IOException

createDatagramSocket

public static Socket createDatagramSocket()
                                   throws java.io.IOException

Throws:: java.io.IOException

createUnixSocket

public static Socket createUnixSocket(int type)
                               throws java.io.IOException

Throws:: java.io.IOException

connectInet

public static Socket connectInet(java.net.InetAddress address,
                                 int port)
                          throws java.io.IOException

Throws:: java.io.IOException

bindInet

public static Socket bindInet(java.net.InetAddress address,
                              int port,
                              int backlog)
                       throws java.io.IOException

Throws:: java.io.IOException

connectUnix

public static Socket connectUnix(java.io.File unixPath)
                          throws java.io.IOException

Throws:: java.io.IOException

bindUnix

public static Socket bindUnix(java.io.File unixPath,
                              int backlog)
                       throws java.io.IOException

Throws:: java.io.IOException

fromFD

public static Socket fromFD(int fd)
                     throws java.io.IOException

Throws:: java.io.IOException

Class Socket

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.nio.channels.ReadableByteChannel

Methods inherited from interface java.nio.channels.WritableByteChannel

Field Detail

AF_UNIX

AF_INET

AF_INET6

SOCK_STREAM

SOCK_DGRAM

SOCK_RAW

SOCK_RDM

SOCK_SEQPACKET

NO_PORT

SOL_SOCKET

SOL_IP

SOL_IPV6

SOL_TCP

SOL_UDP

MSG_OOB

MSG_PEEK

MSG_DONTROUTE

MSG_TRUNC

MSG_DONTWAIT

MSG_WAITALL

MSG_MORE

IPTOS_MINCOST

IPTOS_RELIABILITY

IPTOS_THROUGHPUT

IPTOS_LOWDELAY

SO_DEBUG

SO_REUSEADDR

SO_TYPE

SO_ERROR

SO_DONTROUTE

SO_BROADCAST

SO_SNDBUF

SO_RCVBUF

SO_KEEPALIVE

SO_OOBINLINE

SO_NO_CHECK

SO_PRIORITY

SO_LINGER

SO_BSDCOMPAT

SO_REUSEPORT

SO_PASSCRED

SO_PEERCRED

SO_RCVLOWAT

SO_SNDLOWAT

SO_RCVTIMEO

SO_SNDTIMEO

TCP_NODELAY

TCP_MAXSEG

TCP_CORK

TCP_KEEPIDLE

TCP_KEEPINTVL

TCP_KEEPCNT

TCP_SYNCNT

TCP_LINGER2

TCP_DEFER_ACCEPT

TCP_WINDOW_CLAMP

TCP_INFO

TCP_QUICKACK

TCP_CONGESTION

TCP_USER_TIMEOUT

Constructor Detail

Socket

Method Detail

isOpen

close

accept

connect

bind

listen

writeRaw

write

writeFully