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.
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, AmsterdamFiles: Paper (PDF), Slides (PDF)
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