#!/bin/sh
# ---- Configuration
SRCDIR=/usr/src
SRCIF=bge0
SRC_ADDR=192.168.100.104
DST_ADDR=192.168.100.2
FUNC=${1-tx}
#
COUNT=100
LEN=64
THREADS=1
# ----

# Copyright (c) 2020 Hiroki Sato <hrs@allbsd.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

LOG=netmap_test-`date +%Y%m%d-%H%M%S`.log
err() { echo "ERROR: " $* 1>&2; exit 1; }
NETMAPDIR=$SRCDIR/tools/tools/netmap

# build pkg-gen first
(cd $NETMAPDIR && make obj && make)
case $? in
0)
	# do nothing
;;
*)
	err "building of pkg-gen failed."
;;
esac
PKTGEN_CMD=`cd $NETMAPDIR && make -V.OBJDIR`/pkt-gen
SRC_MAC=`arp -an | awk "/$SRC_ADDR/{print \\$4}"`
if [ -z "$SRC_MAC" ]; then
	err "$SRC_ADDR not found on this host."
fi
if ping -o -c 2 $DST_ADDR > /dev/null 2>&1; then
	DST_MAC=`arp -an | awk "/$DST_ADDR/{print \\$4}"`
else
	err "$DST_ADDR did not respond."
fi

CMD="$PKTGEN_CMD
  -A
  -p $THREADS
  -c 0
  -f $FUNC
  -i $SRCIF
  -n $COUNT
  -l $LEN
  -s $SRC_ADDR
  -S $SRC_MAC
  -d $DST_ADDR
  -D $DST_MAC
"
(
	echo COMMAND: $CMD
	$CMD
) 2>&1 | tee $LOG
echo "--> logfile: $LOG"