;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014, 2015, 2016, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015, 2017 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2015 Eric Dvorsak <eric@dvorsak.fr>
;;; Copyright © 2016 David Thompson <davet@gnu.org>
;;; Copyright © 2017, 2019, 2020 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2019 Pierre Neidhardt <mail@ambrevar.xyz>
;;;
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<div class='content'><div id='summary'>vent/libevent/releases/download/release-"
                    version "-stable/libevent-" version "-stable.tar.gz"))
              (sha256
               (base32
                "0g988zqm45sj1hlhhz4il5z4dpi5dl74hzjwzl4md37a09iaqnx6"))))
    (build-system gnu-build-system)
    (outputs '("out" "bin"))
    (arguments
     ;; This skips some of the tests which fail on armhf and aarch64.
     '(#:configure-flags '("--disable-libevent-regress")))
    (inputs
     `(("python" ,python-wrapper)))     ;for 'event_rpcgen.py'
    (native-inputs
     `(("which" ,which)))
    (home-page "https://libevent.org/")
    (synopsis "Event notification library")
    (description
     "The libevent API provides a mechanism to execute a callback
function when a specific event occurs on a file descriptor or after a
timeout has been reached.  Furthermore, libevent also support callbacks
due to signals or regular timeouts.

libevent is meant to replace the event loop found in event driven
network servers.  An application just needs to call event_dispatch() and
then add or remove events dynamically without having to change the event
loop.")
    (license bsd-3)))

(define-public libev
  (package
    (name "libev")
    (version "4.31")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://dist.schmorp.de/libev/Attic/libev-"
                                  version
                                  ".tar.gz"))
              (sha256
               (base32
                "0nkfqv69wfyy2bpga4d53iqydycpik8jp8x6q70353hia8mmv1gd"))))
    (build-system gnu-build-system)
    (arguments
     '(#:configure-flags '("--disable-static")))
    (home-page "http://software.schmorp.de/pkg/libev.html")
    (synopsis "Event loop loosely modelled after libevent")
    (description
     "libev provides a full-featured and high-performance event loop that is
loosely modelled after libevent.  It includes relative timers, absolute timers
with customized rescheduling, synchronous signals, process status change
events, event watchers dealing with the event loop itself, file watchers, and
limited support for fork events.")
    (license
     (list bsd-2 gpl2+))))

(define-public libuv
  (package
    (name "libuv")
    (version "1.35.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://dist.libuv.org/dist/v" version
                                  "/libuv-v" version ".tar.gz"))
              (sha256
               (base32
                "0126mfmaw3s92dsga60sydgwjmzwg9cd36n127pydmisah17v50f"))))
    (build-system gnu-build-system)
    (arguments
     '(#:configure-flags '("--disable-static")
       ;; XXX: Some tests want /dev/tty, attempt to make connections, etc.
       #:tests? #f))
    (native-inputs `(("autoconf" ,autoconf-wrapper)
                     ("automake" ,automake)
                     ("libtool" ,libtool)

                     ;; libuv.pc is installed only when pkg-config is found.
                     ("pkg-config" ,pkg-config)))
    (home-page "https://github.com/libuv/libuv")
    (synopsis "Library for asynchronous I/O")
    (description
     "libuv is a multi-platform support library with a focus on asynchronous
I/O.  Among other things, it supports event loops via epoll, kqueue, and
similar IOCP, and event ports, asynchronous TCP/UDP sockets, asynchronous DNS
resolution, asynchronous file system operations, and threading primitives.")

    ;; A few files fall under other non-copyleft licenses; see 'LICENSE' for
    ;; details.  Documentation is CC-BY 4.0 as of 1.12.0; see 'LICENSE-docs'.
    (license (list expat cc-by4.0))))

(define-public perl-anyevent
  (package
    (name "perl-anyevent")
    (version "7.17")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://cpan/authors/id/M/ML/MLEHMANN/"
                                  "AnyEvent-" version ".tar.gz"))
              (sha256
               (base32
                "11drlj8r02czhjgzkb39axnr8zzyp506r043xfmf93q9kilfmgjh"))))
    (build-system perl-build-system)
    (native-inputs
     `(("perl-canary-stability" ,perl-canary-stability)))
    (propagated-inputs
     `(("perl-async-interrupt" ,perl-async-interrupt)
       ("perl-ev" ,perl-ev)
       ("perl-guard" ,perl-guard)
       ("perl-json" ,perl-json)
       ("perl-json-xs" ,perl-json-xs)
       ("perl-net-ssleay" ,perl-net-ssleay)
       ("perl-task-weaken" ,perl-task-weaken)))
    (home-page "https://metacpan.org/release/AnyEvent")
    (synopsis
     "API for I/O, timer, signal, child process and completion events")
    (description
     "This module allows using a variety of events without forcing module
authors to pick a specific event loop, and without noticeable overhead.
Currently supported event loops are EV, Event, Glib/Gtk2, Tk, Qt,
@code{Event::Lib}, Irssi, @code{IO::Async} and POE (and thus also WxWidgets
and Prima).  It also comes with a very fast Pure Perl event loop that does
not rely on XS.")
    (license perl-license)))

(define-public perl-ev
  (package
    (name "perl-ev")
    (version "4.31")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://cpan/authors/id/M/ML/MLEHMANN/EV-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "1jxlhnvrqim39977zwavjrcbdf9bifb46pwaxvm0s8klq121kjwb"))
              (modules '((guix build utils)))
              (snippet
               '(begin
                  ;; Drop bundled libev.
                  (delete-file-recursively "libev")
                  #t))))
    (build-system perl-build-system)
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'unpack-libev
           ;; This package requires the libev *sources* in order
           ;; to build. Unpack system libev here...
           (lambda* (#:key inputs #:allow-other-keys)
             (mkdir "./libev")
             (invoke "tar" "-xf" (assoc-ref inputs "libev-source")
                     "-C" "./libev" "--strip-components=1"))))))
    (native-inputs
     `(("libev-source" ,(package-source libev))
       ("perl-canary-stability" ,perl-canary-stability)))
    (propagated-inputs
     `(("perl-common-sense" ,perl-common-sense)))
    (home-page "https://metacpan.org/release/EV")
    (synopsis "Perl interface to libev")
    (description
     "This module provides an interface to @code{libev}, a high performance
full-featured event loop.  It can be used through the @code{AnyEvent} module
and still be faster than other event loops currently supported in Perl.")
    (license perl-license)))

(define-public perl-rpc-epc-service
  (package
    (name "perl-rpc-epc-service")
    (version "0.0.11")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "mirror://cpan/authors/id/K/KI/KIWANAMI/RPC-EPC-Service-"
             "v" version ".tar.gz"))
       (sha256
        (base32
         "1qwb284z4ig3xzy21m1b3w8bkb8k6l2ij6cjz93znn2j6qs42pwp"))))
    (build-system perl-build-system)
    (native-inputs
     `(("perl-module-build" ,perl-module-build)
       ("perl-test-simple" ,perl-test-simple)))
    (propagated-inputs
     `(("perl-anyevent" ,perl-anyevent)
       ("perl-data-sexpression" ,perl-data-sexpression)))
    (arguments
     ;; Tests seem to fail because they try to start a server.
     `(#:tests? #f))
    (home-page "https://metacpan.org/release/RPC-EPC-Service")
    (synopsis "Asynchronous remote procedure stack")
    (description "RPC::EPC::Service enables to connect the other process with
the S-expression protocol, like the Swank protocol of the SLIME.")
    (license perl-license)))