嵌入式中间件的可插拔协议机制研究

发布时间：2018-04-14 16:14

本文选题：嵌入式中间 + 可插拔协议　；参考：《复旦大学》2012年硕士论文

【摘要】：在分布式嵌入式系统中,嵌入式设备之间以通信协作的方式完成各种复杂的计算任务。但嵌入式系统平台之间的差异性使得开发分布式软件变得十分困难。若采用传统解决方法,必然涉及各种通信问题,造成开发难度的增大,同时程序的可移植性、可重用性较差。为解决以上问题,传统的CORBA中间件技术被引入嵌入式系统。2008年OMG发布的CORBA/e规范1.0版,使得分布式的嵌入式软件之间能够在对象级别上互相通信。然而嵌入式系统的通信存在着多样性,并不局限于以太网,CORBA规范定义的基于TCP/IP协议的GIOP/IIOP已经难以满足这些应用的需求。本文着重研究ORB的互操作性,并在此基础上提出嵌入式CORBA的可插拔协议机制,目标是将各种不同传输协议的共性部分抽象出来,从而可以在ORB核心中插入不同的传输协议,以适应不同的应用系统。本文在华东计算技术研究所自主研发的嵌入式CORBA产品ReORB的基础上,分析了它在传输协议方面的应用需求；接着设计了一个可以灵活配置,便于各种传输协议插入的可插拔协议框架,给出了框架的整体结构以及其在ReORB中的工作流程；最后使用IDL语言定义框架的接口,并以TCP/IP协议为例,描述一个新的传输插件的实现过程。
[Abstract]:In the distributed embedded system, the complex computing tasks are accomplished by means of communication and cooperation between embedded devices.However, the differences between embedded system platforms make it very difficult to develop distributed software.If the traditional solution is adopted, all kinds of communication problems will inevitably be involved, which will increase the difficulty of development, and at the same time, the portability and reusability of the program will be poor.In order to solve the above problems, the traditional CORBA middleware technology was introduced into embedded system. The CORBA/e specification version 1.0 issued by OMG in 2008 enables distributed embedded software to communicate with each other at the object level.However, there are many kinds of communication in embedded system, which is not limited to the GIOP/IIOP based on TCP/IP protocol, which is defined by Ethernet CORBA specification, and it is difficult to meet the requirements of these applications.This paper focuses on the interoperability of ORB, and puts forward the pluggable protocol mechanism of embedded CORBA. The goal is to abstract out the common parts of different transport protocols, so that different transport protocols can be inserted into the core of ORB.To adapt to different application systems.Based on the embedded CORBA product ReORB developed by East China Institute of Computing Technology, this paper analyzes its application requirements in transport protocol, and then designs a flexible configuration.The pluggable protocol framework, which is convenient for various transport protocols to insert, is given. The whole structure of the framework and its workflow in ReORB are given. Finally, the interface of the framework is defined by using IDL language, and the TCP/IP protocol is taken as an example.Describes the implementation of a new transport plug-in.
【学位授予单位】：复旦大学
【学位级别】：硕士
【学位授予年份】：2012
【分类号】：TP368.1

【共引文献】