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Documents authored by Audrito, Giorgio

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DOI: 10.4230/DARTS.8.2.8
Functional Programming for Distributed Systems with XC (Artifact)

Authors: Giorgio Audrito, Roberto Casadei, Ferruccio Damiani, Guido Salvaneschi, and Mirko Viroli

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

Abstract
In the paper "Functional programming for distributed systems with XC" we present XC, a programming language to develop the collective behaviour of homogeneous distributed systems while abstracting over concurrency, asynchronous execution, message loss, and device failures. The paper describes the design of XC, formalizes a core calculus for it, and shows that XC can effectively capture the logic of several distributed protocols and applications including gossiping, distributed summarization, information flows over self-healing communication structures, and self-organizing behaviours. Then, it discusses implementation, in a Scala and a C++ embedded domain-specific language (DSL), and provides evaluation through a case study in a smart city scenario, called SmartC. The reusable artifact described in this paper contains precisely those software projects: the Scala DSL, referred to as XC/Scala; the C++ DSL, referred to as XC/C++; and the SmartC implementation in both DSLs.
Cite as

Giorgio Audrito, Roberto Casadei, Ferruccio Damiani, Guido Salvaneschi, and Mirko Viroli. Functional Programming for Distributed Systems with XC (Artifact). In Special Issue of the 36th European Conference on Object-Oriented Programming (ECOOP 2022). Dagstuhl Artifacts Series (DARTS), Volume 8, Issue 2, pp. 8:1-8:4, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@Article{audrito_et_al:DARTS.8.2.8,
  author =	{Audrito, Giorgio and Casadei, Roberto and Damiani, Ferruccio and Salvaneschi, Guido and Viroli, Mirko},
  title =	{{Functional Programming for Distributed Systems with XC (Artifact)}},
  pages =	{8:1--8:4},
  journal =	{Dagstuhl Artifacts Series},
  ISSN =	{2509-8195},
  year =	{2022},
  volume =	{8},
  number =	{2},
  editor =	{Audrito, Giorgio and Casadei, Roberto and Damiani, Ferruccio and Salvaneschi, Guido and Viroli, Mirko},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DARTS.8.2.8},
  URN =		{urn:nbn:de:0030-drops-162068},
  doi =		{10.4230/DARTS.8.2.8},
  annote =	{Keywords: Distributed programming, Field Calculi, Scala DSL, C++ DSL}
}
Document
DOI: 10.4230/LIPIcs.ECOOP.2022.20
Functional Programming for Distributed Systems with XC

Authors: Giorgio Audrito, Roberto Casadei, Ferruccio Damiani, Guido Salvaneschi, and Mirko Viroli

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

Abstract
Programming distributed systems is notoriously hard due to - among the others - concurrency, asynchronous execution, message loss, and device failures. Homogeneous distributed systems consist of similar devices that communicate to neighbours and execute the same program: they include wireless sensor networks, network hardware, and robot swarms. For the homogeneous case, we investigate an experimental language design that aims to push the abstraction boundaries farther, compared to existing approaches. In this paper, we introduce the design of XC, a programming language to develop homogeneous distributed systems. In XC, developers define the single program that every device executes and the overall behaviour is achieved collectively, in an emergent way. The programming framework abstracts over concurrency, asynchronous execution, message loss, and device failures. We propose a minimalistic design, which features a single declarative primitive for communication, state management, and connection management. A mechanism called alignment enables developers to abstract over asynchronous execution while still retaining composability. We define syntax and operational semantics of a core calculus, and briefly discuss its main properties. XC comes with two DSL implementations: a DSL in Scala and one in C++. An evaluation based on smart-city monitoring demonstrates XC in a realistic application.
Cite as

Giorgio Audrito, Roberto Casadei, Ferruccio Damiani, Guido Salvaneschi, and Mirko Viroli. Functional Programming for Distributed Systems with XC. In 36th European Conference on Object-Oriented Programming (ECOOP 2022). Leibniz International Proceedings in Informatics (LIPIcs), Volume 222, pp. 20:1-20:28, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@InProceedings{audrito_et_al:LIPIcs.ECOOP.2022.20,
  author =	{Audrito, Giorgio and Casadei, Roberto and Damiani, Ferruccio and Salvaneschi, Guido and Viroli, Mirko},
  title =	{{Functional Programming for Distributed Systems with XC}},
  booktitle =	{36th European Conference on Object-Oriented Programming (ECOOP 2022)},
  pages =	{20:1--20:28},
  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.dagstuhl.de/entities/document/10.4230/LIPIcs.ECOOP.2022.20},
  URN =		{urn:nbn:de:0030-drops-162486},
  doi =		{10.4230/LIPIcs.ECOOP.2022.20},
  annote =	{Keywords: Core calculus, operational semantics, type soundness, Scala DSL}
}
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