;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018 Marius Bakke <mbakke@fastmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages snmp)
  #:use-module (gnu packages)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages tls)
  #:use-module (guix build-system gnu)
  #:use-module (guix download)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (guix utils))

(define-public net-snmp
  (package
    (name "net-snmp")
    (version "5.8.pre1")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/net-snmp/"
                                  "5.8-pre-releases/net-snmp-" version
                                  ".tar.gz"))
              (sha256
               (base32
                "1f1rwq2cqz9ysapl96rsay240dbz8s6wsprms7skl2vacq94s2bd"))
              (patches (search-patches "net-snmp-disable-network-tests.patch"))
              (modules '((guix build utils)))
              (snippet
               '(begin
                  ;; Drop bundled libraries.
                  (delete-file-recursively "snmplib/openssl")
                  #t))))
    (build-system gnu-build-system)
    (arguments
     `(#:test-target "test"
       ;; XXX: With parallel build enabled, Perl modules may not get linked with
       ;; libnetsnmp.  See e.g. <https://bugzilla.novell.com/show_bug.cgi?id=819497>.
       #:parallel-build? #f
       #:make-flags (let ((out (assoc-ref %outputs "out")))
                      (list (string-append "INSTALLSITEARCH=" out
                                           "/lib/perl5/site_perl/"
                                           ,(package-version perl))
                            (string-append "INSTALLSITEMAN3DIR=" out
                                           "/share/man/man3")
                            ;; Make sure the Perl modules get a proper RUNPATH.
                            ;(string-append "LDFLAGS=-Wl,-rpath=" out "/lib")
                            ))
       #:phases (modify-phases %standard-phases
                  (add-before 'check 'patch-tests
                    (lambda _
                      (substitute* "testing/fulltests/support/simple_TESTCONF.sh"
                        (("NETSTAT=\"\"") (string-append "NETSTAT="
                                                         (which "netstat"))))
                      (substitute* "testing/fulltests/default/T065agentextend_sh_simple"
                        (("/bin/sh") (which "sh")))
                      (substitute* '("testing/fulltests/default/T061agentperl_simple"
                                     "testing/fulltests/default/T065agentextend_simple"
                                     "testing/fulltests/default/T115agentxperl_simple")
                        (("/usr/bin/env") (which "env")))

                      ;; Note: to debug test failures, step into the failed build
                      ;; directory, export OK_TO_SAVE_RESULT and run "make testfailed".
                      #t)))))
    (native-inputs
     `(("net-tools" ,net-tools-for-tests)))
    (inputs
     `(("bzip2" ,bzip2)
       ("libnl" ,libnl)
       ("linux-libre-headers" ,linux-libre-headers)
       ("openssl" ,openssl)
       ("perl" ,perl)
       ("zlib" ,zlib)))
    (home-page "http://net-snmp.sourceforge.net/")
    (synopsis "SNMP tools and libraries")
    (description
     "@dfn{SNMP} (Simple Network Management Protocol) is a widely used protocol
for monitoring and managing servers and network devices.  This package includes
command-line utilities for retrieving information and sending commands, a
graphical @dfn{MIB} (Management Information Base) browser, a daemon for responding
to SNMP commands (@command{snmptrapd}), an extensible SNMP server (@command{snmpd}),
and libraries for writing other SNMP applications.")
    ;; Distributed under HPND and multiple variants of the 3-clause BSD license.
    ;; See COPYING for full information.
    (license (list license:hpnd license:bsd-3))))