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#!/bin/sh
#
# Obnam test: test lock files.
#
# Copyright 2012-2014 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
die()
{
echo "$@" 1>&2
exit 1
}
[ "$#" = 2 ] || die "Bad usage, read source!"
NCLIENTS="$1"
COUNTER="$2"
directory="$(mktemp -d)"
pids="$(mktemp)"
for i in $(seq "$NCLIENTS")
do
./lock-and-increment "$directory" "$COUNTER" &
echo "$!" >> "$pids"
done
errors=0
for pid in $(cat "$pids")
do
if ! wait "$pid"
then
echo "at least one client failed" 1>&2
errors=1
fi
done
n=$(cat "$directory/counter")
wanted=$(expr "$COUNTER" '*' "$NCLIENTS")
if [ "$n" != "$wanted" ]
then
echo "counted to $n should be $wanted" 1>&2
errors=1
fi
rm -rf "$directory" "$pids"
exit $errors
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