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Statically verified refinements for multiparty protocols

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Nobuko YoshidaAuthors Info & Claims

Proceedings of the ACM on Programming Languages, Volume 4, Issue OOPSLA

Article No.: 148, Pages 1 - 30

https://doi.org/10.1145/3428216

Published: 13 November 2020 Publication History

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Abstract

With distributed computing becoming ubiquitous in the modern era, safe distributed programming is an open challenge. To address this, multiparty session types (MPST) provide a typing discipline for message-passing concurrency, guaranteeing communication safety properties such as deadlock freedom.

While originally MPST focus on the communication aspects, and employ a simple typing system for communication payloads, communication protocols in the real world usually contain constraints on the payload. We introduce refined multiparty session types (RMPST), an extension of MPST, that express data dependent protocols via refinement types on the data types.

We provide an implementation of RMPST, in a toolchain called Session*, using Scribble, a toolchain for multiparty protocols, and targeting F*, a verification-oriented functional programming language. Users can describe a protocol in Scribble and implement the endpoints in F* using refinement-typed APIs generated from the protocol. The F* compiler can then statically verify the refinements. Moreover, we use a novel approach of callback-styled API generation, providing static linearity guarantees with the inversion of control. We evaluate our approach with real world examples and show that it has little overhead compared to a naive implementation, while guaranteeing safety properties from the underlying theory.

Supplementary Material

Auxiliary Presentation Video (oopsla20main-p87-p-video.mp4)

In this video, we provide an overview of the refined multiparty session types and our toolchain, Session*, for implementing refined multiparty protocols.

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Fowler SHaller PKuhn RLindley SScalas AVasconcelos V(2024)Behavioural Types for Heterogeneous Systems (Position Paper)Electronic Proceedings in Theoretical Computer Science10.4204/EPTCS.401.4401(37-48)Online publication date: 6-Apr-2024
https://doi.org/10.4204/EPTCS.401.4
Jongmans S(2024)Discourje: Run-Time Verification of Communication Protocols in Clojure — Live at LastFormal Methods10.1007/978-3-031-71177-0_11(158-166)Online publication date: 13-Sep-2024
https://doi.org/10.1007/978-3-031-71177-0_11
Li EStutz FWies T(2024)Deciding Subtyping for Asynchronous Multiparty SessionsProgramming Languages and Systems10.1007/978-3-031-57262-3_8(176-205)Online publication date: 6-Apr-2024
https://dl.acm.org/doi/10.1007/978-3-031-57262-3_8
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Index Terms

Statically verified refinements for multiparty protocols
1. Software and its engineering
  1. Software notations and tools
    1. Compilers
      1. Source code generation
2. Theory of computation
  1. Logic
    1. Automated reasoning
  2. Models of computation
    1. Concurrency
      1. Distributed computing models

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cover image Proceedings of the ACM on Programming Languages

Proceedings of the ACM on Programming Languages Volume 4, Issue OOPSLA

November 2020

3108 pages

EISSN:2475-1421

DOI:10.1145/3436718

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This work is licensed under a Creative Commons Attribution International 4.0 License.

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 13 November 2020

Published in PACMPL Volume 4, Issue OOPSLA

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Fowler SHaller PKuhn RLindley SScalas AVasconcelos V(2024)Behavioural Types for Heterogeneous Systems (Position Paper)Electronic Proceedings in Theoretical Computer Science10.4204/EPTCS.401.4401(37-48)Online publication date: 6-Apr-2024
https://doi.org/10.4204/EPTCS.401.4
Jongmans S(2024)Discourje: Run-Time Verification of Communication Protocols in Clojure — Live at LastFormal Methods10.1007/978-3-031-71177-0_11(158-166)Online publication date: 13-Sep-2024
https://doi.org/10.1007/978-3-031-71177-0_11
Li EStutz FWies T(2024)Deciding Subtyping for Asynchronous Multiparty SessionsProgramming Languages and Systems10.1007/978-3-031-57262-3_8(176-205)Online publication date: 6-Apr-2024
https://dl.acm.org/doi/10.1007/978-3-031-57262-3_8
Yoshida N(2024)Programming Language Implementations with Multiparty Session TypesActive Object Languages: Current Research Trends10.1007/978-3-031-51060-1_6(147-165)Online publication date: 29-Jan-2024
https://doi.org/10.1007/978-3-031-51060-1_6
Jacobs JHinrichsen JKrebbers R(2023)Dependent Session Protocols in Separation Logic from First Principles (Functional Pearl)Proceedings of the ACM on Programming Languages10.1145/36078567:ICFP(768-795)Online publication date: 31-Aug-2023
https://dl.acm.org/doi/10.1145/3607856
Thiemann P(2023)Intrinsically Typed Sessions with Callbacks (Functional Pearl)Proceedings of the ACM on Programming Languages10.1145/36078547:ICFP(711-739)Online publication date: 31-Aug-2023
https://dl.acm.org/doi/10.1145/3607854
Ferreira FJongmans SJust RFraser G(2023)Oven: Safe and Live Communication Protocols in Scala, using Synthetic Behavioural Type AnalysisProceedings of the 32nd ACM SIGSOFT International Symposium on Software Testing and Analysis10.1145/3597926.3604926(1511-1514)Online publication date: 12-Jul-2023
https://dl.acm.org/doi/10.1145/3597926.3604926
Gheri LYoshida N(2023)Hybrid Multiparty Session Types: Compositionality for Protocol Specification through Endpoint ProjectionProceedings of the ACM on Programming Languages10.1145/35860317:OOPSLA1(112-142)Online publication date: 6-Apr-2023
https://dl.acm.org/doi/10.1145/3586031
Bouma Jde Gouw SJongmans S(2023)Multiparty Session Typing in Java, DeductivelyTools and Algorithms for the Construction and Analysis of Systems10.1007/978-3-031-30820-8_3(19-27)Online publication date: 22-Apr-2023
https://dl.acm.org/doi/10.1007/978-3-031-30820-8_3
Vasconcelos VMartins FLópez HYoshida N(2022)A Type Discipline for Message Passing Parallel ProgramsACM Transactions on Programming Languages and Systems10.1145/355251944:4(1-55)Online publication date: 21-Dec-2022
https://dl.acm.org/doi/10.1145/3552519
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Distributed programming using role-parametric session types in go: statically-typed endpoint APIs for dynamically-instantiated communication structures

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