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#!/usr/bin/env bash
set -e
GIT_EXEC="$(command -v git || printf '%s' "")"
WGET_EXEC="$(command -v wget || printf '%s' "")"
UNZIP_EXEC="$(command -v unzip || printf '%s' "")"
MAKE_EXEC="$(command -v make || printf '%s' "")"
if [ -z "${NDPI_COMMIT_HASH}" ]; then
NDPI_COMMIT_HASH="dev"
GITHUB_FALLBACK_URL='https://github.com/ntop/nDPI/archive/refs/heads/dev.zip'
else
GITHUB_FALLBACK_URL="https://github.com/ntop/nDPI/archive/${NDPI_COMMIT_HASH}.zip"
fi
if [ -z "${GIT_EXEC}" -o -z "${WGET_EXEC}" -o -z "${UNZIP_EXEC}" -o -z "${MAKE_EXEC}" ]; then
printf '%s\n' "Required Executables missing: git, wget, unzip, make" >&2
exit 1
fi
LOCKFILE="$(realpath "${0}").lock"
touch "${LOCKFILE}"
exec 42< "${LOCKFILE}"
flock -x -n 42 || {
printf '%s\n' "Could not aquire file lock for ${0}. Already running instance?" >&2;
exit 1;
}
if [ ! -z "${CC}" ]; then
HOST_TRIPLET="$(${CC} ${CFLAGS} -dumpmachine)"
fi
MAKEFLAGS="-${MAKEFLAGS}"
cat <<EOF
------ environment variables ------
HOST_TRIPLET=${HOST_TRIPLET}
CC=${CC:-}
CXX=${CXX:-}
AR=${AR:-}
RANLIB=${RANLIB:-}
PKG_CONFIG=${PKG_CONFIG:-}
CFLAGS=${CFLAGS:-}
LDFLAGS=${LDFLAGS:-}
ADDITIONAL_ARGS=${ADDITIONAL_ARGS:-}
MAKE_PROGRAM=${MAKE_PROGRAM:-}
MAKEFLAGS=${MAKEFLAGS}
DEST_INSTALL=${DEST_INSTALL:-}
NDPI_COMMIT_HASH=${NDPI_COMMIT_HASH:-}
FORCE_GIT_UPDATE=${FORCE_GIT_UPDATE:-}
-----------------------------------
EOF
set -x
cd "$(dirname "${0}")/.."
GIT_SUCCESS=0
if [ -d ./.git -o -f ./.git ]; then
GIT_SUCCESS=1
if [ ! -z "${FORCE_GIT_UPDATE}" -a "${FORCE_GIT_UPDATE}" != "OFF" ]; then
git submodule deinit --force -- ./libnDPI || { GIT_SUCCESS=0; true; }
LINES_CHANGED=0
else
LINES_CHANGED="$(git --no-pager diff ./libnDPI 2>/dev/null | wc -l || printf '0')"
fi
if [ ${LINES_CHANGED} -eq 0 ]; then
git submodule update --progress --init ./libnDPI || { GIT_SUCCESS=0; true; }
else
set +x
printf '%s\n' '-----------------------------------'
printf 'WARNING: %s changes in source tree %s, no GIT update will be done!\n' "${LINES_CHANGED}" "$(realpath $(dirname "${0}")/../libnDPI)"
printf '%s\n' '-----------------------------------'
set -x
fi
fi
if [ ${GIT_SUCCESS} -eq 0 ]; then
set +x
printf '%s\n' '-----------------------------------'
printf 'WARNING: %s is supposed to be a GIT repository. But it is not.\n' "$(realpath $(dirname "${0}")/..)"
printf '%s\n' 'Can not clone libnDPI as GIT submodule.'
printf '%s\n' 'Falling back to Github direct download.'
printf 'URL: %s\n' "${GITHUB_FALLBACK_URL}"
printf '%s\n' '-----------------------------------'
set -x
wget "${GITHUB_FALLBACK_URL}" -O ./libnDPI-github-${NDPI_COMMIT_HASH}.zip
unzip ./libnDPI-github-${NDPI_COMMIT_HASH}.zip
rm -rf ./libnDPI
mv ./nDPI-${NDPI_COMMIT_HASH} ./libnDPI
fi
cd ./libnDPI
test ! -r Makefile || { make distclean || true; }
DEST_INSTALL="${DEST_INSTALL:-$(realpath ./install)}"
MAKE_PROGRAM="${MAKE_PROGRAM:-make -j4}"
HOST_ARG="--host=${HOST_TRIPLET}"
./autogen.sh --enable-option-checking=fatal \
--prefix="/" \
--with-only-libndpi ${HOST_ARG} ${ADDITIONAL_ARGS} || { cat config.log | grep -v '^|'; false; }
${MAKE_PROGRAM} ${MAKEFLAGS} install DESTDIR="${DEST_INSTALL}"
rm -f "${LOCKFILE}"
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