Package io.netty.channel.unix

Class FileDescriptor

java.lang.Object

io.netty.channel.unix.FileDescriptor

Direct Known Subclasses:

Socket

public class FileDescriptor
extends java.lang.Object

Native FileDescriptor implementation which allows to wrap an int and provide a FileDescriptor for it.

Constructor Summary

Constructors

Constructor	Description
FileDescriptor(int fd)

Method Summary

Modifier and Type	Method	Description
void	close()	Close the file descriptor.
boolean	equals(java.lang.Object o)
static FileDescriptor	from(java.io.File file)	Open a new FileDescriptor for the given File.
static FileDescriptor	from(java.lang.String path)	Open a new FileDescriptor for the given path.
int	hashCode()
int	intValue()	Return the int value of the filedescriptor.
boolean	isOpen()	Returns true if the file descriptor is open.
protected boolean	markClosed()
static FileDescriptor[]	pipe()
int	read(java.nio.ByteBuffer buf, int pos, int limit)
int	readAddress(long address, int pos, int limit)
java.lang.String	toString()
int	write(java.nio.ByteBuffer buf, int pos, int limit)
int	writeAddress(long address, int pos, int limit)
long	writev(java.nio.ByteBuffer[] buffers, int offset, int length, long maxBytesToWrite)
long	writevAddresses(long memoryAddress, int length)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FileDescriptor

public FileDescriptor(int fd)

Method Detail

intValue

public final int intValue()

Return the int value of the filedescriptor.

markClosed

protected boolean markClosed()

close

public void close()
           throws java.io.IOException

Close the file descriptor.

Throws:

java.io.IOException

isOpen

public boolean isOpen()

Returns true if the file descriptor is open.

write

public final int write(java.nio.ByteBuffer buf,
                       int pos,
                       int limit)
                throws java.io.IOException

Throws:

java.io.IOException

writeAddress

public final int writeAddress(long address,
                              int pos,
                              int limit)
                       throws java.io.IOException

Throws:

java.io.IOException

writev

public final long writev(java.nio.ByteBuffer[] buffers,
                         int offset,
                         int length,
                         long maxBytesToWrite)
                  throws java.io.IOException

Throws:

java.io.IOException

writevAddresses

public final long writevAddresses(long memoryAddress,
                                  int length)
                           throws java.io.IOException

Throws:

java.io.IOException

read

public final int read(java.nio.ByteBuffer buf,
                      int pos,
                      int limit)
               throws java.io.IOException

Throws:

java.io.IOException

readAddress

public final int readAddress(long address,
                             int pos,
                             int limit)
                      throws java.io.IOException

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

from

public static FileDescriptor from(java.lang.String path)
                           throws java.io.IOException

Open a new FileDescriptor for the given path.

Throws:

java.io.IOException

from

public static FileDescriptor from(java.io.File file)
                           throws java.io.IOException

Open a new FileDescriptor for the given File.

Throws:

java.io.IOException

pipe

public static FileDescriptor[] pipe()
                             throws java.io.IOException

Returns:

[0] = read end, [1] = write end

Throws:

java.io.IOException