mirror of
https://github.com/AMS-IX/arpsponge.git
synced 2024-09-21 07:47:08 +00:00
Don't really run if DEBUG is set. Fail if FIFO
creation fails. Only create notify FIFO if requested.
This commit is contained in:
Steven Bakker
parent
22be746885
commit
7fb1ac767b
@ -27,151 +27,171 @@ SPONGE_OPTIONS="@SPONGE_OPTIONS@"
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# Program defaults
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export DUMMY_MODE INIT_MODE SPONGE_NETWORK LEARNING
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export QUEUE_DEPTH RATE PENDING SWEEP GRATUITOUS AGE
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export PROBERATE
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export PROBERATE NOTIFY
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# Defaults for all sponges.
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if test -f /etc/default/${PROG}/defaults ; then
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. /etc/default/${PROG}/defaults
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. /etc/default/${PROG}/defaults
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fi
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eval_bool() {
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var=$1
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case $var in
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[1-9]*|0[1-9]*|y|yes|true|on|Y|YES|TRUE|ON)
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true
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return;;
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*)
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false
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return;;
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esac
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var=$1
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case $var in
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[1-9]*|0[1-9]*|y|yes|true|on|Y|YES|TRUE|ON)
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true
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return;;
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*)
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false
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return;;
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esac
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}
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fatal() {
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echo "** arpsponge init error:" $@ >&2
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exit 1
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}
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start_sponge() {
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file=$1
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export file
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(
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DEVICE=$(basename $file)
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unset NETWORK
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. $file
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opts=''
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eval_bool ${DUMMY_MODE} && opts="$opts --dummy"
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eval_bool ${SPONGE_NETWORK} && opts="$opts --sponge-network"
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eval_bool ${GRATUITOUS} && opts="$opts --gratuitous"
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[ -n "${INIT_MODE}" ] && opts="$opts --init=${INIT_MODE}"
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[ -n "${LEARNING}" ] && opts="$opts --learning=${LEARNING}"
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[ -n "${QUEUE_DEPTH}" ] && opts="$opts --queuedepth=${QUEUE_DEPTH}"
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[ -n "${RATE}" ] && opts="$opts --rate=${RATE}"
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[ -n "${PENDING}" ] && opts="$opts --pending=${PENDING}"
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[ -n "${SWEEP}" ] && opts="$opts --sweep=${SWEEP}"
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[ -n "${PROBERATE}" ] && opts="$opts --proberate=${PROBERATE}"
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[ -n "${AGE}" ] && opts="$opts --age=${AGE}"
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file=$1
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export file
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(
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DEVICE=$(basename $file)
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unset NETWORK
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. $file
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if [ ! -n "${DEVICE}" ]
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then
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echo "** arpsponge init error: $file: no device specified">&2
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exit 1
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fi
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if [ ! -n "${NETWORK}" ]
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then
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echo "** arpsponge init error: $file ($DEVICE): no network specified">&2
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exit 1
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fi
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notify="${SPONGE_VAR}/${DEVICE}/notify"
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status="${SPONGE_VAR}/${DEVICE}/status"
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pidfile="${SPONGE_VAR}/${DEVICE}/pid"
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notify="${SPONGE_VAR}/${DEVICE}/notify"
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status="${SPONGE_VAR}/${DEVICE}/status"
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pidfile="${SPONGE_VAR}/${DEVICE}/pid"
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opts=''
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eval_bool ${NOTIFY} && opts="$opts --notify ${notify}"
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eval_bool ${DUMMY_MODE} && opts="$opts --dummy"
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eval_bool ${SPONGE_NETWORK} && opts="$opts --sponge-network"
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eval_bool ${GRATUITOUS} && opts="$opts --gratuitous"
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[ -n "${INIT_MODE}" ] && opts="$opts --init=${INIT_MODE}"
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[ -n "${LEARNING}" ] && opts="$opts --learning=${LEARNING}"
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[ -n "${QUEUE_DEPTH}" ] && opts="$opts --queuedepth=${QUEUE_DEPTH}"
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[ -n "${RATE}" ] && opts="$opts --rate=${RATE}"
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[ -n "${PENDING}" ] && opts="$opts --pending=${PENDING}"
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[ -n "${SWEEP}" ] && opts="$opts --sweep=${SWEEP}"
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[ -n "${PROBERATE}" ] && opts="$opts --proberate=${PROBERATE}"
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[ -n "${AGE}" ] && opts="$opts --age=${AGE}"
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if eval_bool $SPONGE_DEBUG
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then
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echo ${BINDIR}/${PROG} ${opts} --daemon="${pidfile}" \
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--notify="${notify}" --statusfile="${status}" \
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${NETWORK} dev "${DEVICE}"
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else
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mkdir -p "${SPONGE_VAR}/${DEVICE}"
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if [ ! -n "${DEVICE}" ]
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then
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fatal "$file: no device specified"
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fi
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if [ ! -n "${NETWORK}" ]
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then
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fatal "$file ($DEVICE): no network specified"
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fi
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# Create notification FIFO...
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[ -p "${notify}" ] || /usr/bin/mkfifo --mode=644 "${notify}"
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if eval_bool $SPONGE_DEBUG
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then
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echo "** DEBUG MODE:"
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echo "** command line:"
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echo "----"
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echo ${BINDIR}/${PROG} ${opts} \
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--daemon="${pidfile}" \
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--statusfile="${status}" \
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${NETWORK} dev "${DEVICE}"
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echo "----"
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echo "** DEBUG MODE: not executing"
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exit 0
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fi
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printf " %-10s " "${DEVICE}"
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mkdir -p "${SPONGE_VAR}/${DEVICE}"
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${BINDIR}/${PROG} ${opts} --daemon="${pidfile}" \
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--notify="${notify}" --statusfile="${status}" \
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${NETWORK} dev "${DEVICE}" 2>/dev/null
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[ $? -eq 0 ] && echo "[Ok]" || echo "[FAILED]"
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fi
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)
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if eval_bool ${NOTIFY}
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then
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# Create notification FIFO...
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if [ ! -p "${notify}" ]; then
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if ! /usr/bin/mkfifo --mode=644 "${notify}"; then
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fatal "cannot create ${notify} fifo"
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fi
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fi
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fi
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printf " %-10s " "${DEVICE}"
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${BINDIR}/${PROG} ${opts} \
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--daemon="${pidfile}" \
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--statusfile="${status}" \
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${NETWORK} dev "${DEVICE}" 2>/dev/null
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[ $? -eq 0 ] && echo "[Ok]" || echo "[FAILED]"
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)
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}
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start() {
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SPONGES=`/bin/ls -1 /etc/default/${PROG}/eth* 2>/dev/null`
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if [ -n "${SPONGES}" ]
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then
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echo "Starting ${PROG}(s):"
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for file in ${SPONGES}
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do
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start_sponge ${file}
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done
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fi
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SPONGES=`/bin/ls -1 /etc/default/${PROG}/eth* 2>/dev/null`
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if [ -n "${SPONGES}" ]
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then
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echo "Starting ${PROG}(s):"
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for file in ${SPONGES}
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do
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start_sponge ${file}
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done
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fi
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}
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stop() {
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echo "Stopping ${PROG}(s):"
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pidfiles=`ls ${SPONGE_VAR}/*/pid 2>/dev/null`
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for pf in ${pidfiles}
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do
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pid=$(cat ${pf})
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iface=$(basename $(dirname ${pf}))
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printf " interface=%-10s pid=%-6s " ${iface} ${pid}
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kill -TERM ${pid}
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sleep 1
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if ps -p ${pid} > /dev/null 2>&1
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then
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kill -KILL ${pid}
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echo KILLED
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else
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echo terminated
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fi
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/bin/rm -f ${SPONGE_VAR}/${iface}/notify
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done
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echo "Stopping ${PROG}(s):"
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pidfiles=`ls ${SPONGE_VAR}/*/pid 2>/dev/null`
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for pf in ${pidfiles}
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do
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pid=$(cat ${pf})
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iface=$(basename $(dirname ${pf}))
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printf " interface=%-10s pid=%-6s " ${iface} ${pid}
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kill -TERM ${pid}
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sleep 1
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if ps -p ${pid} > /dev/null 2>&1
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then
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kill -KILL ${pid}
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echo KILLED
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else
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echo terminated
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fi
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/bin/rm -f ${SPONGE_VAR}/${iface}/notify
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done
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}
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status() {
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if [ "X$1" = "Xre-init" ]
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then
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echo "Saving state:"
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else
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echo "Dumping status:"
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fi
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pidfiles=`ls ${SPONGE_VAR}/*/pid 2>/dev/null`
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for pf in ${pidfiles}
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do
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pid=$(cat ${pf})
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iface=$(basename $(dirname ${pf}))
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printf " interface=%-10s pid=%-6s " ${iface} ${pid}
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kill -USR1 ${pid} 2>/dev/null && echo "[Ok]" || echo "[FAILED]"
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done
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if [ "X$1" = "Xre-init" ]
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then
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echo "Saving state:"
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else
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echo "Dumping status:"
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fi
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pidfiles=`ls ${SPONGE_VAR}/*/pid 2>/dev/null`
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for pf in ${pidfiles}
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do
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pid=$(cat ${pf})
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iface=$(basename $(dirname ${pf}))
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printf " interface=%-10s pid=%-6s " ${iface} ${pid}
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kill -USR1 ${pid} 2>/dev/null && echo "[Ok]" || echo "[FAILED]"
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done
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}
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case "$1" in
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start)
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start
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;;
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restart|reload|force-reload)
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status re-init
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stop
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start re-init
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;;
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status)
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status
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;;
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stop)
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stop
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;;
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*)
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echo "Usage: $0 {start|stop|restart|reload|force-reload}"
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exit 1
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;;
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start)
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start
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;;
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restart|reload|force-reload)
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status re-init
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stop
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start re-init
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;;
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status)
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status
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;;
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stop)
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stop
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;;
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*)
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echo "Usage: $0 {start|stop|restart|reload|force-reload}"
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exit 1
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;;
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esac
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exit 0
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