Package org.mariadb.jdbc.client.socket.impl

Class UnixDomainSocket

java.lang.Object

java.net.Socket

org.mariadb.jdbc.client.socket.impl.UnixDomainSocket

All Implemented Interfaces:

Closeable, AutoCloseable

public class UnixDomainSocket
extends Socket

Unix IPC socket

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	UnixDomainSocket.SockAddr	Socket address
(package private) class	UnixDomainSocket.UnixSocketInputStream
(package private) class	UnixDomainSocket.UnixSocketOutputStream

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	AF_UNIX
private final AtomicBoolean	closeLock
private boolean	connected
private final int	fd
private InputStream	is
private OutputStream	os
private static final int	PROTOCOL
private static final int	SOCK_STREAM
private final UnixDomainSocket.SockAddr	sockaddr

Constructor Summary

Constructors

Constructor	Description
UnixDomainSocket(String path)	Constructor

Method Summary

Modifier and Type	Method	Description
void	close()
static int	close(int fd)	Close socket
static int	connect(int sockfd, UnixDomainSocket.SockAddr sockaddr, int addrlen)	Connect socket
void	connect(SocketAddress endpoint, int timeout)
private static String	formatError(com.sun.jna.LastErrorException lee)
InputStream	getInputStream()
OutputStream	getOutputStream()
boolean	isConnected()
static int	recv(int fd, byte[] buffer, int count, int flags)	Receive a message from a socket
static int	send(int fd, byte[] buffer, int count, int flags)	Send a message to a socket
void	setKeepAlive(boolean b)
void	setSoLinger(boolean b, int i)
void	setSoTimeout(int timeout)
void	setTcpNoDelay(boolean b)
void	shutdownInput()
void	shutdownOutput()
static int	socket(int domain, int type, int protocol)	creates an endpoint for communication and returns a file descriptor that refers to that endpoint.
static String	strerror(int errno)	return a description of the error code passed in the argument errnum.

Methods inherited from class java.net.Socket

bind, connect, getChannel, getInetAddress, getKeepAlive, getLocalAddress, getLocalPort, getLocalSocketAddress, getOOBInline, getOption, getPort, getReceiveBufferSize, getRemoteSocketAddress, getReuseAddress, getSendBufferSize, getSoLinger, getSoTimeout, getTcpNoDelay, getTrafficClass, isBound, isClosed, isInputShutdown, isOutputShutdown, sendUrgentData, setOOBInline, setOption, setPerformancePreferences, setReceiveBufferSize, setReuseAddress, setSendBufferSize, setSocketImplFactory, setTrafficClass, supportedOptions, toString

Methods inherited from class java.lang.Object

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

Field Details

AF_UNIX

private static final int AF_UNIX

See Also:

• Constant Field Values

SOCK_STREAM

private static final int SOCK_STREAM

See Also:

• Constant Field Values

PROTOCOL

private static final int PROTOCOL

See Also:

• Constant Field Values

closeLock

private final AtomicBoolean closeLock

sockaddr

private final UnixDomainSocket.SockAddr sockaddr

fd

private final int fd

is

private InputStream is

os

private OutputStream os

connected

private boolean connected

Constructor Details

UnixDomainSocket

public UnixDomainSocket(String path)
                 throws IOException

Constructor

Parameters:

path - unix path

Throws:

IOException - if any error occurs

Method Details

socket

public static int socket(int domain,
 int type,
 int protocol)
                  throws com.sun.jna.LastErrorException

creates an endpoint for communication and returns a file descriptor that refers to that endpoint.

Parameters:

domain - domain

type - type

protocol - protocol

Returns:

file descriptor

Throws:

com.sun.jna.LastErrorException - if any error occurs

See Also:

• Socket

connect

public static int connect(int sockfd,
 UnixDomainSocket.SockAddr sockaddr,
 int addrlen)
                   throws com.sun.jna.LastErrorException

Connect socket

Parameters:

sockfd - file descriptor

sockaddr - socket address

addrlen - address length

Returns:

zero on success. -1 on error

Throws:

com.sun.jna.LastErrorException - if error occurs

recv

public static int recv(int fd,
 byte[] buffer,
 int count,
 int flags)
                throws com.sun.jna.LastErrorException

Receive a message from a socket

Parameters:

fd - file descriptor

buffer - buffer

count - length

flags - flag. @see flags

Returns:

zero on success. -1 on error

Throws:

com.sun.jna.LastErrorException - if error occurs

send

public static int send(int fd,
 byte[] buffer,
 int count,
 int flags)
                throws com.sun.jna.LastErrorException

Send a message to a socket

Parameters:

fd - file descriptor

buffer - buffer

count - length

flags - flag. @see flags

Returns:

zero on success. -1 on error

Throws:

com.sun.jna.LastErrorException - if error occurs

close

public static int close(int fd)
                 throws com.sun.jna.LastErrorException

Close socket

Parameters:

fd - file descriptor

Returns:

zero on success. -1 on error

Throws:

com.sun.jna.LastErrorException - if error occurs

strerror

public static String strerror(int errno)

return a description of the error code passed in the argument errnum.

Parameters:

errno - error pointer

Returns:

error description

formatError

private static String formatError(com.sun.jna.LastErrorException lee)

isConnected

public boolean isConnected()

Overrides:

isConnected in class Socket

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class Socket

Throws:

IOException

connect

public void connect(SocketAddress endpoint,
 int timeout)
             throws IOException

Overrides:

connect in class Socket

Throws:

IOException

getInputStream

public InputStream getInputStream()

Overrides:

getInputStream in class Socket

getOutputStream

public OutputStream getOutputStream()

Overrides:

getOutputStream in class Socket

setTcpNoDelay

public void setTcpNoDelay(boolean b)

Overrides:

setTcpNoDelay in class Socket

setKeepAlive

public void setKeepAlive(boolean b)

Overrides:

setKeepAlive in class Socket

setSoLinger

public void setSoLinger(boolean b,
 int i)

Overrides:

setSoLinger in class Socket

setSoTimeout

public void setSoTimeout(int timeout)

Overrides:

setSoTimeout in class Socket

shutdownInput

public void shutdownInput()

Overrides:

shutdownInput in class Socket

shutdownOutput

public void shutdownOutput()

Overrides:

shutdownOutput in class Socket