Package smartcard :: Module ReaderMonitoring :: Class ReaderMonitor

Class ReaderMonitor

Class that monitors reader insertion/removal. and notify observers

note: a reader monitoring thread will be running as long as the reader monitor has observers, or ReaderMonitor.stop() is called.

It implements the shared state design pattern, where objects of the same type all share the same state, in our case essentially the ReaderMonitoring Thread. Thanks to Frank Aune for implementing the shared state pattern logics.

Instance Methods

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__init__(self, startOnDemand=True, readerProc=<function readers at 0x00E4E6F0>, period=1)

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addObserver(*args)
Add an observer.

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deleteObserver(*args)
Remove an observer.

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__str__(self)

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Inherited from Observer.Observable: clearChanged, countObservers, deleteObservers, hasChanged, notifyObservers, setChanged

Class Variables

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__shared_state = {}

Method Details

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init(self, startOnDemand=True, readerProc=<function readers at 0x00E4E6F0>, period=1)
(Constructor)

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Overrides: Observer.Observable.__init__

addObserver(*args)

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Add an observer.

Overrides: Observer.Observable.addObserver

deleteObserver(*args)

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Remove an observer.

Overrides: Observer.Observable.deleteObserver

Class ReaderMonitor

__init__(self, startOnDemand=True, readerProc=<function readers at 0x00E4E6F0>, period=1) (Constructor)

addObserver(*args)

deleteObserver(*args)

init(self, startOnDemand=True, readerProc=<function readers at 0x00E4E6F0>, period=1)
(Constructor)