# Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)

from spack import *
from os.path import join


class Tcptrace(AutotoolsPackage):
    """tcptrace is a tool written by Shawn Ostermann at Ohio University for
       analysis of TCP dump files. It can take as input the files produced by
       several popular packet-capture programs, including tcpdump, snoop,
       etherpeek, HP Net Metrix, and WinDump."""

    homepage = "http://www.tcptrace.org/"
    url      = "http://www.tcptrace.org/download/tcptrace-6.6.7.tar.gz"

    version('6.6.7', sha256='63380a4051933ca08979476a9dfc6f959308bc9f60d45255202e388eb56910bd')

    depends_on('bison', type='build')
    depends_on('flex', type='build')
    depends_on('libpcap')

    # Fixes incorrect API access in libpcap.
    # See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=545595
    patch('tcpdump.patch')

    @run_after('configure')
    def patch_makefile(self):
        # see https://github.com/blitz/tcptrace/blob/master/README.linux
        makefile = FileFilter('Makefile')
        makefile.filter(
            "PCAP_LDLIBS = -lpcap",
            "DEFINES += -D_BSD_SOURCE\nPCAP_LDLIBS = -lpcap")

    def install(self, spec, prefix):
        # The build system has trouble creating directories
        mkdirp(prefix.bin)
        install('tcptrace', join(prefix.bin, 'tcptrace'))
