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#!/sbin/openrc-run
# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
depend() {
need net
}
start() {
checkconfig || return 1
if [ -z "${TGT_MAC}" ]; then
LC_ALL=C /bin/ping -nq -c 3 "${TGT_IP}" -I "${DEVICE}" 1>/dev/null 2>/dev/null
ret=$?
# ping worked, try arp
if [ $ret -eq 0 ]; then
TGT_MAC="$(LC_ALL=C arp -an -i ${DEVICE} ${TGT_IP} |egrep -v 'incomplete|no match' | awk '{print $4}')"
fi
elif [ "${TGT_MAC}" = "broadcast" ]; then
TGT_MAC=''
fi
ebegin "Starting netconsole ${SRC_IP}:${SRC_PORT}(${DEVICE}) -> ${TGT_IP}:${TGT_PORT} ${TGT_MAC}"
# else we use the MAC that we are given
modprobe netconsole netconsole=${SRC_PORT}@${SRC_IP}/${DEVICE},${TGT_PORT}@${TGT_IP}/${TGT_MAC}
ret=$?
[ $ret -eq 0 ] && dmesg -n ${LOGLEVEL}
eend $ret
}
stop() {
ebegin "Stopping netconsole"
modprobe -r netconsole
eend $?
}
checkconfig() {
# kernel uses 15 internally
if [ "$LOGLEVEL" -lt 0 -o "${LOGLEVEL}" -gt 15 ]; then
eerror "Invalid kernel console loglevel."
return 1
fi
if [ "$SRC_PORT" -le 0 ]; then
eerror "Invalid source port."
return 1
fi
LC_ALL=C ifconfig "${DEVICE}" 1>/dev/null 2>/dev/null
ret=$?
if [ -z "${DEVICE}" -o "${ret}" -gt 0 ]; then
eerror "Source device invalid."
return 1
fi
if [ "$TGT_PORT" -le 0 ]; then
eerror "Invalid target port."
return 1
fi
if [ -z "$TGT_IP" ]; then
eerror "Unspecified target address."
return 1
fi
return 0
}
# vim: ts=4 sw=4 sts=4:
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