Package com.sun.jna.platform.win32

Class W32ServiceManager

java.lang.Object

com.sun.jna.platform.win32.W32ServiceManager

All Implemented Interfaces:

Closeable, AutoCloseable

public class W32ServiceManager
extends Object
implements Closeable

Win32 Service Manager wrapper

Author:

EugineLev

Field Summary

Fields

Modifier and Type	Field	Description
(package private) String	_databaseName
(package private) Winsvc.SC_HANDLE	_handle
(package private) String	_machineName

Constructor Summary

Constructors

Constructor	Description
W32ServiceManager()	Instantiate a W32ServiceManager for the local computer and the SERVICES_ACTIVE_DATABASE ("ServicesActive") database.
W32ServiceManager(int permissions)	Instantiate a W32ServiceManager for the local computer and the SERVICES_ACTIVE_DATABASE ("ServicesActive") database.
W32ServiceManager(String machineName, String databaseName)	Instantiate a W32ServiceManager.
W32ServiceManager(String machineName, String databaseName, int permissions)	Instantiate a W32ServiceManager.

Method Summary

Modifier and Type	Method	Description
void	close()	Closes the previously opened Service Manager.
Winsvc.ENUM_SERVICE_STATUS_PROCESS[]	enumServicesStatusExProcess(int dwServiceType, int dwServiceState, String groupName)	Enumerates services in the specified service control manager database.
Winsvc.SC_HANDLE	getHandle()	Gets the service manager handle.
void	open(int permissions)	(Re-)Opens the Service Manager with the supplied permissions.
W32Service	openService(String serviceName, int permissions)	Opens a Service.

Methods inherited from class java.lang.Object

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

Field Details

_handle

Winsvc.SC_HANDLE _handle

_machineName

String _machineName

_databaseName

String _databaseName

Constructor Details

W32ServiceManager

public W32ServiceManager()

Instantiate a W32ServiceManager for the local computer and the SERVICES_ACTIVE_DATABASE ("ServicesActive") database.

The connection is not established until open(int) is called.

W32ServiceManager

public W32ServiceManager(int permissions)

Instantiate a W32ServiceManager for the local computer and the SERVICES_ACTIVE_DATABASE ("ServicesActive") database.

A connection is opened directly with the requested permissions.

Parameters:

permissions - requested permissions for access

W32ServiceManager

public W32ServiceManager(String machineName,
 String databaseName)

Instantiate a W32ServiceManager.

Parameters:

machineName - The name of the target computer. If the pointer is NULL or points to an empty string, the function connects to the service control manager on the local computer.

databaseName - The name of the service control manager database. This parameter should be set to "ServicesActive". If it is NULL, the "ServicesActive" (SERVICES_ACTIVE_DATABASE) database is opened by default.

The connection is not established until open(int) is called.

W32ServiceManager

public W32ServiceManager(String machineName,
 String databaseName,
 int permissions)

Instantiate a W32ServiceManager.

A connection is opened directly with the requested permissions.

Parameters:

machineName - The name of the target computer. If the pointer is NULL or points to an empty string, the function connects to the service control manager on the local computer.

databaseName - The name of the service control manager database. This parameter should be set to "ServicesActive". If it is NULL, the "ServicesActive" (SERVICES_ACTIVE_DATABASE) database is opened by default.

permissions - requested permissions for access

Method Details

open

public void open(int permissions)

(Re-)Opens the Service Manager with the supplied permissions.

Parameters:

permissions - Permissions.

close

public void close()

Closes the previously opened Service Manager.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

openService

public W32Service openService(String serviceName,
 int permissions)

Opens a Service.

Parameters:

serviceName - Service name.

permissions - Permissions.

Returns:

Returns an opened service.

getHandle

public Winsvc.SC_HANDLE getHandle()

Gets the service manager handle.

Returns:

Returns the service manager handle.

enumServicesStatusExProcess

public Winsvc.ENUM_SERVICE_STATUS_PROCESS[] enumServicesStatusExProcess(int dwServiceType,
 int dwServiceState,
 String groupName)

Enumerates services in the specified service control manager database. The name and status of each service are provided, along with additional data based on the specified information level.

Parameters:

dwServiceType - The type of services to be enumerated. This parameter can be one or more of the following values.

Value	Meaning
WinNT.SERVICE_DRIVER	Services of type WinNT.SERVICE_KERNEL_DRIVER and WinNT.SERVICE_FILE_SYSTEM_DRIVER.
WinNT.SERVICE_FILE_SYSTEM_DRIVER	File system driver services.
WinNT.SERVICE_KERNEL_DRIVER	Driver services.
WinNT.SERVICE_WIN32	Services of type WinNT.SERVICE_WIN32_OWN_PROCESS and WinNT.SERVICE_WIN32_SHARE_PROCESS.
WinNT.SERVICE_WIN32_OWN_PROCESS	Services that run in their own processes.
WinNT.SERVICE_WIN32_SHARE_PROCESS	Services that share a process with one or more other services. For more information, see Service Programs.

dwServiceState - The state of the services to be enumerated. This parameter can be one of the following values.

Value	Meaning
Winsvc.SERVICE_ACTIVE	Enumerates services that are in the following states: Winsvc.SERVICE_START_PENDING, Winsvc.SERVICE_STOP_PENDING, Winsvc.SERVICE_RUNNING, Winsvc.SERVICE_CONTINUE_PENDING, Winsvc.SERVICE_PAUSE_PENDING, and Winsvc.SERVICE_PAUSED.
Winsvc.SERVICE_INACTIVE	Enumerates services that are in the Winsvc.SERVICE_STOPPED state.
Winsvc.SERVICE_STATE_ALL	Combines the following states: Winsvc.SERVICE_ACTIVE and Winsvc.SERVICE_INACTIVE.

groupName - The load-order group name. If this parameter is a string, the only services enumerated are those that belong to the group that has the name specified by the string. If this parameter is an empty string, only services that do not belong to any group are enumerated. If this parameter is NULL, group membership is ignored and all services are enumerated.

Returns:

array of ENUM_SERVICE_STATUS_PROCESS structures.