Friday, June 18, 2010

Customized Function Module Integration in PerLa for WSNs

Abstract

PerLa or Pervasive System language is a declarative language for application in pervasive computing. This concept behind PerLa is to provide the user with the opportunity to manage heterogeneous pervasive devices while avoiding the complexity of underlying hardware. At present, PerLa provides the users with a declarative approach towards the network to be managed. However, a limitation which arose with increase of applicability of the language was the absence of any mechanism to induct customized user functions to perform need-based operations on the data e. g. filtering operations, performing statistical functions on the data and special-case procedural code inductions. In this report, we propose a way to introduce the possibility of integrating procedural functions in the existing declarative approach offered by PerLa. In order to allow for this approach, it is necessary to embed the custom-code in the system such that the existing architecture is disturbed at a minimum and maximum functionality is achieved. We present the solution in which the system capabilities can be extended with the design point of view. The implementation of these functionalities is separated from the design phase, covered in this report.

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