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Inicio  /  Applied Sciences  /  Vol: 10 Par: 1 (2020)  /  Artículo
ARTÍCULO
TITULO

An Automated Refactoring Approach to Improve IoT Software Quality

Yang Zhang    
Shuai Shao    
Minghan Ji    
Jing Qiu    
Zhihong Tian    
Xiaojiang Du and Mohsen Guizani    

Resumen

Internet of Things (IoT) software should provide good support for IoT devices as IoT devices are growing in quantity and complexity. Communication between IoT devices is largely realized in a concurrent way. How to ensure the correctness of concurrent access becomes a big challenge to IoT software development. This paper proposes a general refactoring framework for fine-grained read?write locking and implements an automatic refactoring tool to help developers convert built-in monitors into fine-grained ReentrantReadWriteLocks. Several program analysis techniques, such as visitor pattern analysis, alias analysis, and side-effect analysis, are used to assist with refactoring. Our tool is tested by several real-world applications including HSQLDB, Cassandra, JGroups, Freedomotic, and MINA. A total of 1072 built-in monitors are refactored into ReentrantReadWriteLocks. The experiments revealed that our tool can help developers with refactoring for ReentrantReadWriteLocks and save their time and energy.

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