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Stay safe under panic: affine rust programming with multiparty session types

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Title: Stay safe under panic: affine rust programming with multiparty session types
Authors: Yoshida, N
Lagaillardie, N
Neykova, R
Item Type: Conference Paper
Abstract: Communicating systems comprise diverse software components across networks. To ensure their robustness, modern programming languages such as Rust provide both strongly typed channels, whose usage is guaranteed to be affine (at most once), and cancellation operations over binary channels. For coordinating components to correctly communicate and synchronize with each other, we use the structuring mechanism from multiparty session types, extending it with affine communication channels and implicit/explicit cancellation mechanisms. This new typing discipline, affine multiparty session types (AMPST), ensures cancellation termination of multiple, independently running components and guarantees that communication will not get stuck due to error or abrupt termination. Guided by AMPST, we implemented an automated generation tool (MultiCrusty) of Rust APIs associated with cancellation termination algorithms, by which the Rust compiler autodetects unsafe programs. Our evaluation shows that MultiCrusty provides an efficient mechanism for communication, synchronization and propagation of the notifications of cancellation for arbitrary processes. We have implemented several usecases, including popular application protocols (OAuth, SMTP), and protocols with exception handling patterns (circuit breaker, distributed logging).
Date of Acceptance: 1-Mar-2022
URI: http://hdl.handle.net/10044/1/95961
Copyright Statement: This paper is embargoed until publication. Once published it will be available fully open access.
Sponsor/Funder: Engineering & Physical Science Research Council (EPSRC)
Engineering & Physical Science Research Council (EPSRC)
Engineering & Physical Science Research Council (E
Engineering & Physical Science Research Council (E
Engineering and Physical Sciences Research Council
Engineering & Physical Science Research Council (EPSRC)
Engineering & Physical Science Research Council (E
Engineering & Physical Science Research Council (EPSRC)
Engineering and Physical Sciences Research Council
Engineering & Physical Science Research Council (E
The National Cyber Security Centre (NCSC)
Funder's Grant Number: EP/T006544/1
EP/K011715/1
ERI 025567 (EP/K034413/1)
PO 20131167
EP/L00058X/1, PO 20131167
EP/N027833/1
PO 20263116
EP/T014709/1
EP/V000462/1
PO 20257975
4214176 / RFA 20601
Conference Name: European Conference on Object-Oriented Programming (ECOOP'22)
Publication Status: Accepted
Start Date: 2022-06-06
Finish Date: 2022-06-10
Conference Place: Berlin, Germany
Embargo Date: publication subject to indefinite embargo
Appears in Collections:Computing
Faculty of Engineering



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