Package sparked :: Package hardware :: Module hal :: Class HardwareMonitor

Class HardwareMonitor

twisted.application.service.Service --+
                                      |
                                     HardwareMonitor

Known Subclasses:

A generic hardware monitor class based on HAL. Listens for device add/remove filtered on a specific subsystem.

Instance Methods

[hide private]

_getHalInterface(self, udi, interface='org.freedesktop.Hal.Device') source code

_halDeviceAdded(self, udi)

source code

_halDeviceRemoved(self, udi)

source code

deviceAdded(self, info)
This method will be called when a device has been added.

source code

deviceRemoved(self, info)
This method will be called when a device has been removed.

source code

startService(self)

source code

stopService(self)

source code

Inherited from twisted.application.service.Service: __getstate__, __providedBy__, disownServiceParent, privilegedStartService, setName, setServiceParent

Class Variables

[hide private]

Inherited from twisted.application.service.Service: __implemented__, __provides__, name, parent, running

Instance Variables

[hide private]

deviceInfo = None
dict which will be filled with device information.

events = None
If set, point to a sparked.events.EventDispatcher to dispatch <subsystem>-{added,removed} events to.

subsystem = None
The HAL subsystem type to monitor.

uniquePath = None
If set, point to a directory where the symlinks to the unique devices will be made, e.g.

Method Details

[hide private]

deviceAdded(self, info)

source code

This method will be called when a device has been added. If you subclass this class, this method can be overruled to do application-specific stuff.

deviceRemoved(self, info)

source code

This method will be called when a device has been removed. If you subclass this class, this method can be overruled to do application-specific stuff.

startService(self)

source code

Overrides: twisted.application.service.Service.startService

stopService(self)

source code

Overrides: twisted.application.service.Service.stopService

Instance Variable Details

[hide private]

deviceInfo

dict which will be filled with device information. Key is the HAL UDI (Unique Device Identifier).

Value:

None

subsystem

The HAL subsystem type to monitor. E.g. serial, video4linux, ...

Value:

None

uniquePath

If set, point to a directory where the symlinks to the unique devices will be made, e.g. /dev/serial/by-id/

Value:

None