Paper Details

Two-Way Protocols for occam-π

Authors: Sampson, Adam T.

Abstract:

In the occam-π programming language, the client-server communication pattern is generally implemented using a pair of unidirectional channels. While each channel's protocol can be specified individually, no mechanism is yet provided to indicate the relationship between the two protocols; it is therefore not possible to statically check the safety of client-server communications. This paper proposes two-way protocols for individual channels, which would both define the structure of messages and allow the patterns of communication between processes to be specified.We show how conformance to two-way protocols can be statically checked by the occam-π compiler using Honda's session types. These mechanisms would considerably simplify the implementation of complex, dynamic client-server systems.

Proceedings:

Communicating Process Architectures 2008, Peter H. Welch, S. Stepney, F.A.C Polack, Frederick R. M. Barnes, Alistair A. McEwan, G. S. Stiles, Jan F. Broenink, Adam T. Sampson, 2008, pp 85 - 97 published by IOS Press, Amsterdam

Files: Paper (PDF), Slides (PDF)

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