# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

EAPI=6

inherit autotools eutils user systemd linux-mod linux-info

DESCRIPTION="A proxy for RTP traffic and other UDP based media traffic"
HOMEPAGE="https://github.com/sipwise/rtpengine"
SRC_URI="https://codeload.github.com/sipwise/rtpengine/tar.gz/mr${PV} -> ${P}.tar.gz"

LICENSE="GPL-3"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="kernelforwarding utils -ngcp"

DEPEND="
    sys-libs/zlib
    dev-libs/openssl
    dev-libs/libpcre
    net-misc/curl
    dev-libs/xmlrpc-c
    dev-libs/hiredis
    net-libs/libpcap
    dev-libs/libevent
    kernelforwarding? ( net-firewall/iptables )
"

RDEPEND="${DEPEND}
    utils?  ( dev-lang/perl dev-perl/Crypt-Rijndael dev-perl/Digest-HMAC dev-perl/IO-Socket-INET6 virtual/perl-IO-Socket-IP dev-perl/Socket6 net-analyzer/openbsd-netcat )
    ngcp? ( net-misc/ngcp-system-tools )
    "

S=${WORKDIR}/${PN}-mr${PV}

pkg_setup() {
    if use kernelforwarding ; then
        NETFILTER_MODULES="NETFILTER NETFILTER_XTABLES IP_NF_IPTABLES IP6_NF_IPTABLES"
        CONFIG_CHECK_PRESENT="kernelforwarding? ( ${NETFILTER_MODULES} )"
        objdir=${S}/kernel-module
        if linux_config_exists; then
                    if use kernelforwarding; then
                            for module in ${NETFILTER_MODULES}; do
                                    linux_chkconfig_present ${module} || die "${module} needs to be present or kernelforwarding won't build"
                    done
                    fi
        linux-mod_pkg_setup
        fi
    fi
}

src_prepare() {
    epatch ${FILESDIR}/makefile.patch

        if use kernelforwarding ; then
                epatch ${FILESDIR}/kernel-makefiles.patch
        epatch ${FILESDIR}/implicit-declaration.patch
        fi


    default_src_prepare
}

src_compile() {
    cd ${S}/daemon
    emake all

    default_src_compile

    if use kernelforwarding ; then
        cd ${S}/iptables-extension
        emake all
        cd ${S}/kernel-module
        emake modules
    fi
}

src_install() {
    insinto /usr/sbin
    doins daemon/rtpengine
    fperms 0700 /usr/sbin/rtpengine

    if use utils ; then
        insinto /usr/sbin
        doins utils/rtpengine-ctl
        doins utils/rtpengine-ng-client
        doins utils/srtp-debug-helper
    fi

    dodoc debian/copyright debian/changelog

        if use kernelforwarding ; then
        insinto /lib64
        doins iptables-extension/libxt_RTPENGINE.so
        fperms 0755 /lib64/libxt_RTPENGINE.so
        linux-mod_src_install
        fi

    default_src_install
}

pkg_preinst() {
    systemd_dounit "${FILESDIR}/${PN}.service"

        insinto /etc/default
        newins "${FILESDIR}/${PN}.default" ${PN}
}