1#!/bin/sh
2#
3# Copyright (c) 2016 Intel Corporation
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#    http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# Run tunslip in a loop. This way we can restart qemu and do not need
18# to manually restart tunslip process that creates the tun0 device.
19
20tunslip_prog=""
21
22for tunslip in ./tunslip6 "${0%/*}/tunslip6"  $ZEPHYR_BASE/../net-tools/tunslip6
23do
24    if [ -x "$tunslip" ]
25    then
26	tunslip_prog="$tunslip"
27	break
28    fi
29done
30
31test -z "$tunslip_prog" && echo "Cannot find tunslip6 executable." && exit 1
32
33if [ `id -u` != 0 ]; then
34    echo "Run this script as a root user!"
35    exit 2
36fi
37
38STOPPED=0
39trap ctrl_c INT TERM
40
41ctrl_c() {
42    STOPPED=1
43}
44
45while [ $STOPPED -eq 0 ]; do
46    "$tunslip_prog" -T -s /tmp/slip.dev 2001:db8::1/64 $@
47done
48