Package net.bytebuddy.agent

Class VirtualMachine.ForHotSpot.Connection.Factory.ForSocketFile

java.lang.Object

net.bytebuddy.agent.VirtualMachine.ForHotSpot.Connection.Factory.ForSocketFile

All Implemented Interfaces:

VirtualMachine.ForHotSpot.Connection.Factory

Enclosing interface:

VirtualMachine.ForHotSpot.Connection.Factory

public abstract static class VirtualMachine.ForHotSpot.Connection.Factory.ForSocketFile
extends Object
implements VirtualMachine.ForHotSpot.Connection.Factory

A factory for attaching via a socket file.

Nested Class Summary

Nested classes/interfaces inherited from interface net.bytebuddy.agent.VirtualMachine.ForHotSpot.Connection.Factory

VirtualMachine.ForHotSpot.Connection.Factory.ForSocketFile

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	ATTACH_FILE_PREFIX	The name prefix for an attachment file indicator.
private final int	attempts	The maximum amount of attempts for checking the establishment of a socket connection.
private final long	pause	The pause between two checks for an established socket connection.
private static final String	SOCKET_FILE_PREFIX	The name prefix for a socket.
private final String	temporaryDirectory	The temporary directory to use.
private final TimeUnit	timeUnit	The time unit of the pause time.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ForSocketFile(String temporaryDirectory, int attempts, long pause, TimeUnit timeUnit)	Creates a connection factory for creating a socket connection via a file.

Method Summary

Modifier and Type	Method	Description
VirtualMachine.ForHotSpot.Connection	connect(String processId)	Connects to the supplied process.
protected abstract VirtualMachine.ForHotSpot.Connection	doConnect(File socket)	Connects to the supplied POSIX socket.
protected abstract void	kill(String processId, int signal)	Sends a kill signal to the target process.

Methods inherited from class java.lang.Object

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

Field Details

SOCKET_FILE_PREFIX

private static final String SOCKET_FILE_PREFIX

The name prefix for a socket.

See Also:

• Constant Field Values

ATTACH_FILE_PREFIX

private static final String ATTACH_FILE_PREFIX

The name prefix for an attachment file indicator.

See Also:

• Constant Field Values

temporaryDirectory

private final String temporaryDirectory

The temporary directory to use.

attempts

private final int attempts

The maximum amount of attempts for checking the establishment of a socket connection.

pause

private final long pause

The pause between two checks for an established socket connection.

timeUnit

private final TimeUnit timeUnit

The time unit of the pause time.

Constructor Details

ForSocketFile

protected ForSocketFile(String temporaryDirectory,
 int attempts,
 long pause,
 TimeUnit timeUnit)

Creates a connection factory for creating a socket connection via a file.

Parameters:

temporaryDirectory - The temporary directory to use.

attempts - The maximum amount of attempts for checking the establishment of a socket connection.

pause - The pause between two checks for an established socket connection.

timeUnit - The time unit of the pause time.

Method Details

connect

public VirtualMachine.ForHotSpot.Connection connect(String processId)
                                             throws IOException

Connects to the supplied process.

Specified by:

connect in interface VirtualMachine.ForHotSpot.Connection.Factory

Parameters:

processId - The process id.

Returns:

The connection to the virtual machine with the supplied process id.

Throws:

IOException - If an I/O exception occurs during connecting to the targeted VM.

kill

protected abstract void kill(String processId,
 int signal)

Sends a kill signal to the target process.

Parameters:

processId - The process id.

signal - The signal to send.

doConnect

protected abstract VirtualMachine.ForHotSpot.Connection doConnect(File socket)
                                                           throws IOException

Connects to the supplied POSIX socket.

Parameters:

socket - The socket to connect to.

Returns:

An active connection to the supplied socket.

Throws:

IOException - If an error occurs during connection.