android13/external/ltp/testcases/network/tcp_cmds/tracepath/tracepath01.sh

57 lines
1.2 KiB
Bash
Executable File

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2019 Petr Vorel <pvorel@suse.cz>
# Copyright (c) 2016 Oracle and/or its affiliates. All Rights Reserved.
# Author: Alexey Kodanev <alexey.kodanev@oracle.com>
TST_TESTFUNC="do_test"
TST_SETUP="setup"
. tst_net.sh
setup()
{
cmd="tracepath"
if [ "$TST_IPV6" ]; then
cmd="tracepath$TST_IPVER"
tst_cmd_available $cmd || cmd="tracepath -6"
fi
tst_require_cmds $(echo $cmd | cut -f 1 -d' ')
if $cmd -V >/dev/null 2>&1; then
tst_res TINFO "traceroute version:"
tst_res TINFO $($cmd -V 2>&1)
fi
}
do_test()
{
local len=1280
local output
local rhost="$(tst_ipaddr rhost)"
tst_res TINFO "test $cmd with $rhost, pmtu is $len"
output=$($cmd $rhost -l $len | grep "pmtu $len")
if [ $? -ne 0 ]; then
tst_res TFAIL "$cmd failed: pmtu $len not found in output"
return
fi
# Usually only one hop is required to get to remote test machine
hops_num=$(echo "$output" | sed -nE 's/.*hops ([0-9]+).*/\1/p')
if [ -z "$hops_num" ]; then
tst_res TFAIL "failed to trace path to '$rhost'"
return
fi
if [ "$hops_num" -eq 0 ]; then
tst_res TFAIL "can't trace path to '$rhost' in 1+ hops"
return
fi
tst_res TPASS "traced path to '$rhost' in $hops_num hops"
}
tst_run