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DOI: 10.4230/DARTS.8.2.9
Stay Safe Under Panic: Affine Rust Programming with Multiparty Session Types (Artifact)

Authors: Nicolas Lagaillardie, Rumyana Neykova, and Nobuko Yoshida

Published in: DARTS, Volume 8, Issue 2, Special Issue of the 36th European Conference on Object-Oriented Programming (ECOOP 2022)

Abstract
This artifact contains a version of MultiCrusty, a Rust library designed for writing and checking communication protocols following the Affine Multiparty Session Types theory introduced in our ECOOP'22 paper. MultiCrusty can work, and should be used, with Scribble [Yoshida et al., 2014] and kMC [{Julien} {Lange} and {Nobuko} {Yoshida}, 2019]: with the former tool, users can write correct global protocols and project them onto local Rust types defined within MultiCrusty, this approach is qualified as top-down; while the latter tool allows to check local Rust types written by users, this approach is qualified as bottom-up. Our artifact contains those three tools, their respective source files, as well as the different examples and benchmarks introduced in our paper, all together within a Docker image.
Cite as

Nicolas Lagaillardie, Rumyana Neykova, and Nobuko Yoshida. Stay Safe Under Panic: Affine Rust Programming with Multiparty Session Types (Artifact). In Special Issue of the 36th European Conference on Object-Oriented Programming (ECOOP 2022). Dagstuhl Artifacts Series (DARTS), Volume 8, Issue 2, pp. 9:1-9:16, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@Article{lagaillardie_et_al:DARTS.8.2.9,
  author =	{Lagaillardie, Nicolas and Neykova, Rumyana and Yoshida, Nobuko},
  title =	{{Stay Safe Under Panic: Affine Rust Programming with Multiparty Session Types (Artifact)}},
  pages =	{9:1--9:16},
  journal =	{Dagstuhl Artifacts Series},
  ISSN =	{2509-8195},
  year =	{2022},
  volume =	{8},
  number =	{2},
  editor =	{Lagaillardie, Nicolas and Neykova, Rumyana and Yoshida, Nobuko},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DARTS.8.2.9},
  URN =		{urn:nbn:de:0030-drops-162075},
  doi =		{10.4230/DARTS.8.2.9},
  annote =	{Keywords: Rust language, affine multiparty session types, failures, cancellation}
}
Document
DOI: 10.4230/LIPIcs.ECOOP.2022.4
Stay Safe Under Panic: Affine Rust Programming with Multiparty Session Types

Authors: Nicolas Lagaillardie, Rumyana Neykova, and Nobuko Yoshida

Published in: LIPIcs, Volume 222, 36th European Conference on Object-Oriented Programming (ECOOP 2022)

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 synchronise 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 auto-detects unsafe programs. Our evaluation shows that MultiCrusty provides an efficient mechanism for communication, synchronisation 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).
Cite as

Nicolas Lagaillardie, Rumyana Neykova, and Nobuko Yoshida. Stay Safe Under Panic: Affine Rust Programming with Multiparty Session Types. In 36th European Conference on Object-Oriented Programming (ECOOP 2022). Leibniz International Proceedings in Informatics (LIPIcs), Volume 222, pp. 4:1-4:29, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@InProceedings{lagaillardie_et_al:LIPIcs.ECOOP.2022.4,
  author =	{Lagaillardie, Nicolas and Neykova, Rumyana and Yoshida, Nobuko},
  title =	{{Stay Safe Under Panic: Affine Rust Programming with Multiparty Session Types}},
  booktitle =	{36th European Conference on Object-Oriented Programming (ECOOP 2022)},
  pages =	{4:1--4:29},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-225-9},
  ISSN =	{1868-8969},
  year =	{2022},
  volume =	{222},
  editor =	{Ali, Karim and Vitek, Jan},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.ECOOP.2022.4},
  URN =		{urn:nbn:de:0030-drops-162324},
  doi =		{10.4230/LIPIcs.ECOOP.2022.4},
  annote =	{Keywords: Rust language, affine multiparty session types, failures, cancellation}
}
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