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#!/bin/sh

# Copyright (C) 2016-2020 Internet Systems Consortium, Inc. ("ISC")
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# This is keactrl script responsible for starting up Kea processes.
# This script is used to run Kea from installation directory,
# as well as for running tests.

# Exit with error if commands exit with non-zero and if undefined variables are
# used.
set -eu

cql_lib="cassandra"

if test "$(uname -s)" = "Darwin"; then
    DIR=$(stat -f %N "$0" | xargs dirname)
else
    DIR=$(readlink -f "$0" | xargs dirname)
fi

if ! [ -f "${DIR}/cql_config_defines.sh" ] || ! [ -x "${DIR}/cql_config_defines.sh" ]; then
    echo "missing path configuration file for Cassandra (cql_config_defines.sh)"
    exit 1
fi

# Shellcheck tries to follow this link and gets confused about not being able
# to find the file.
# shellcheck disable=SC1090
. "${DIR}/cql_config_defines.sh"

if [ $# -ne 1 ] && [ $# -ne 2 ]; then
    echo "run: \`$0 --help\` for more help"
    exit 1
fi

if [ "$1" = "--help" ]; then
    echo "cql_config 'option' ['library']"
    echo "options:"
    echo "--help"
    echo "    print this help message"
    echo "--cflags-only-other"
    echo "    get cpp compilation flags"
    echo "--cflags-only-I"
    echo "    get include path"
    echo "--libs"
    echo "    get lib path"
    echo "--modversion"
    echo "    get version"
    echo "--print-errors"
    echo "    check existence"
    echo "libraries:"
    echo "    cassandra"
    echo "    cassandra_static"
    exit 0
fi

if [ $# -ne 2 ]; then
    echo "run: \`$0 --help\` for more help"
    exit 1
elif [ "$2" != "cassandra" ] && [ "$2" != "cassandra_static" ]; then
    echo "library $2 not supported"
    echo "run: \`$0 --help\` for more help"
    exit 1
else
    cql_lib=$2
fi

if [ "$1" = "--cflags-only-other" ]; then
    exit 0
fi

if [ "$1" = "--cflags-only-I" ]; then
    echo "-I${CPP_DRIVER_PATH}/include/"
    exit 0
fi

if [ "$1" = "--libs" ]; then
    echo "-L${CPP_DRIVER_PATH}/build/ -l${cql_lib} -lssl -lcrypto -luv -lz"
    exit 0
fi

if [ "$1" = "--modversion" ]; then
    MAJOR=$(grep VERSION_MAJOR "${CPP_DRIVER_PATH}/include/cassandra.h" | cut -d " " -f 3)
    MINOR=$(grep VERSION_MINOR "${CPP_DRIVER_PATH}/include/cassandra.h" | cut -d " " -f 3)
    PATCH=$(grep VERSION_PATCH "${CPP_DRIVER_PATH}/include/cassandra.h" | cut -d " " -f 3)
    echo "${MAJOR}.${MINOR}.${PATCH}"
    exit 0
fi

if [ "$1" = "--print-errors" ]; then
    exit 0
fi

echo "wrong parameter"
echo "run: \`$0 --help\` for more help"

exit 1