Package org.jrd.backend.core

Class AgentLoader

java.lang.Object

org.jrd.backend.core.AgentLoader

public class AgentLoader
extends java.lang.Object

This class contains methods for attaching the agent.

Field Summary

Fields

Modifier and Type	Field	Description
private static java.lang.String	AGENT_HOME_SYSTEM_PROP
private static java.lang.String	AGENT_LOADED_PROPERTY
private static java.lang.String	AGENT_PORT_PROPERTY
private static java.lang.String	DECOMPILER_HOME_ENV_VARIABLE
private static java.lang.String	DECOMPILER_PREFIX
private static java.lang.String	HELPER_SOCKET_NAME_PROPERTY
(package private) static int	INVALID_PORT
(package private) static java.lang.String	LOCALHOST
private static int	MAX_PORT_SLOTS
private static int	PORT_MAX
private static int	PORT_MIN

Constructor Summary

Constructors

Constructor	Description
AgentLoader()

Method Summary

Modifier and Type	Method	Description
int	attach(java.lang.String vmId, int pid)	This method handles the attach of a decompiler agent to given VM.
private java.lang.String[]	createProperties(int port)
private int	findPort()

Methods inherited from class java.lang.Object

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

Field Detail

PORT_MIN

private static final int PORT_MIN

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Constant Field Values

MAX_PORT_SLOTS

private static final int MAX_PORT_SLOTS

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Constant Field Values

PORT_MAX

private static final int PORT_MAX

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Constant Field Values

LOCALHOST

static final java.lang.String LOCALHOST

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Constant Field Values

INVALID_PORT

static final int INVALID_PORT

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Constant Field Values

AGENT_LOADED_PROPERTY

private static final java.lang.String AGENT_LOADED_PROPERTY

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Constant Field Values

AGENT_PORT_PROPERTY

private static final java.lang.String AGENT_PORT_PROPERTY

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Constant Field Values

HELPER_SOCKET_NAME_PROPERTY

private static final java.lang.String HELPER_SOCKET_NAME_PROPERTY

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Constant Field Values

AGENT_HOME_SYSTEM_PROP

private static final java.lang.String AGENT_HOME_SYSTEM_PROP

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Constant Field Values

DECOMPILER_HOME_ENV_VARIABLE

private static final java.lang.String DECOMPILER_HOME_ENV_VARIABLE

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Constant Field Values

DECOMPILER_PREFIX

private static final java.lang.String DECOMPILER_PREFIX

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Constant Field Values

Constructor Detail

AgentLoader

AgentLoader()

Method Detail

attach

public int attach(java.lang.String vmId,
                  int pid)

This method handles the attach of a decompiler agent to given VM.

Parameters:

vmId - ID of VM to which we attach the agent

pid - PID of the VM

Returns:

AgentInfo object, if successful, else null

findPort

private int findPort()

createProperties

private java.lang.String[] createProperties(int port)
                                     throws java.io.IOException

Throws:

java.io.IOException