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# Manages loading of plugins (i.e. creating command-line-options for vdr)
init_tmp_dirs() {
PL_TMP=/var/vdr/tmp
if [ ! -d "${PL_TMP}" ]; then
mkdir "${PL_TMP}"
chown vdr:vdr "${PL_TMP}"
fi
}
print_skip_header() {
if [ "${skip_header_printed}" != "1" ]; then
ewarn " Skipped these plugins:"
vdr_log "Skipped these plugins:"
skip_header_printed=1
fi
}
load_plugin_list_start() {
rm -f "${LOADED_PLUGINS_FILE}"
prepare_plugin_checks
local PLUGIN_CONF=/etc/conf.d/vdr.plugins PLUGIN= line=
if [ -f "${PLUGIN_CONF}" ]; then
exec 3<${PLUGIN_CONF}
while read line <&3; do
[ "${line}" = "" ] && continue
[ "${line#"#"}" != "${line}" ] && continue
PLUGIN="${line}"
check_plugin "${PLUGIN}" || continue
PLUGINS="${PLUGINS} ${PLUGIN}"
done
exec 3<&-
# result of checks
if [ -n "${skipped_plugins_patchlevel}" ]; then
print_skip_header
ewarn " Wrong Patchlevel: ${skipped_plugins_patchlevel}"
vdr_log "Wrong Patchlevel: ${skipped_plugins_patchlevel}"
fi
if [ -n "${skipped_plugins_not_found}" ]; then
print_skip_header
ewarn " Not Existing: ${skipped_plugins_not_found}"
vdr_log "Not Existing: ${skipped_plugins_not_found}"
fi
fi
}
load_plugin_list_stop() {
if [ -e "${LOADED_PLUGINS_FILE}" ]; then
PLUGINS=$(cat "${LOADED_PLUGINS_FILE}" )
fi
}
init_plugin_loader() {
local phase="$1"
init_tmp_dirs
# Load list of plugins which were started to exec correct rcaddons
LOADED_PLUGINS_FILE="${PL_TMP}"/loaded_plugins
PLUGINS=""
skipped_plugins_patchlevel=""
skipped_plugins_not_found=""
local skip_tmp_file="${PL_TMP}/plugins_skipped"
rm -f "${skip_tmp_file}"*
case "$phase" in
start) load_plugin_list_start ;;
stop) load_plugin_list_stop ;;
esac
}
prepare_plugin_checks() {
# find plugin lib dir, needed for multilib ...
plugin_dir=$(pkg-config --variable=libdir vdr)
# needed for plugin patchlevel check
vdr_checksum_dir="${plugin_dir%/plugins}/checksums"
vdr_checksum="${PL_TMP}"/header-md5-vdr
_PLUGIN_CHECK_HEADER=false
if yesno "${PLUGIN_CHECK_PATCHLEVEL:-yes}"; then
vdr-get-header-checksum > "${vdr_checksum}" && _PLUGIN_CHECK_HEADER=true
fi
}
check_plugin() {
local PLUGIN="${1}"
local plugin_file="${plugin_dir}/libvdr-${PLUGIN}.so.${APIVERSION}"
if [ ! -f "${plugin_file}" ]; then
skip_plugin "${PLUGIN}" "NOT_FOUND"
return 1
fi
local plugin_checksum_file=${vdr_checksum_dir}/header-md5-vdr-${PLUGIN}
if ${_PLUGIN_CHECK_HEADER} && [ -e "${plugin_checksum_file}" ]; then
if ! cmp -s ${vdr_checksum} ${plugin_checksum_file}; then
skip_plugin "${PLUGIN}" "PATCHLEVEL"
return 1
fi
fi
#if ldd ${plugin_file} 2>/dev/null | grep -q "not found"; then
# skip_plugin "${PLUGIN}" "unresolved deps - please use revdep-rebuild"
# return
#fi
return 0
}
run_plugin_addon()
{
local PLUGIN="${1}"
local call_func="${2}"
unset _EXTRAOPTS
if [ -f "/etc/conf.d/vdr.${PLUGIN}" ]; then
. /etc/conf.d/vdr.${PLUGIN}
fi
load_addon plugin-${PLUGIN} ${call_func}
}
add_plugin_param()
{
# append new parameter
vdrplugin_opts="${vdrplugin_opts} $1"
}
skip_plugin() {
# globally set this to signal skipping
SKIP_PLUGIN=1
local PLUGIN="$1"
local ERROR="$2"
local skip_tmp_file="${PL_TMP}/plugins_skipped"
echo "${PLUGIN}" >> "${skip_tmp_file}_ALL" || return 1
echo "${PLUGIN}" >> "${skip_tmp_file}_${ERROR}" || return 1
case "${ERROR}" in
PATCHLEVEL)
skipped_plugins_patchlevel="${skipped_plugins_patchlevel} ${PLUGIN}"
;;
NOT_FOUND)
skipped_plugins_not_found="${skipped_plugins_not_found} ${PLUGIN}"
;;
esac
return 0
}
add_plugin_params_to_vdr_call() {
# add the param to the vdr-call
add_param "${vdrplugin_opts} ${_EXTRAOPTS}"
}
loop_all_plugins() {
local PLUGIN func="$1" prepare_cmdline=0
case "$func" in
plugin_pre_vdr_start)
for PLUGIN in ${PLUGINS}; do
SKIP_PLUGIN=0
vdrplugin_opts="--plugin=${PLUGIN}"
run_plugin_addon "${PLUGIN}" "${func}" || return 1
[ "${SKIP_PLUGIN}" = 1 ] && continue
add_plugin_params_to_vdr_call
echo "${PLUGIN}" >> "${LOADED_PLUGINS_FILE}"
done
;;
*)
for PLUGIN in ${PLUGINS}; do
run_plugin_addon "${PLUGIN}" "${func}" || return 1
done
;;
esac
return 0
}
|
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