73 lines
2.2 KiB
Perl
73 lines
2.2 KiB
Perl
#!/usr/bin/env perl
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#
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# danielbowling424@msn.com
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# http://swagg.cc
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#
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# Copyright 2019 Daniel Bowling, Mount Rainier, Maryland, USA
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# All rights reserved.
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#
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# Redistribution and use of this script, with or without modification, is
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# permitted provided that the following conditions are met:
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#
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# 1. Redistributions of this script must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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use strict;
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use warnings;
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use Net::Ping; # https://perldoc.perl.org/Net/Ping.html
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use Regexp::Common qw(net); # Net::Ping must be up-to-date for IPv6!!
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my $p4 = Net::Ping->new("icmp");
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my $p6 = Net::Ping->new("icmpv6");
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my $svmgr = "systemctl";
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my $svact = "restart";
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my @svcs = ("zebra", "ospfd", "ospf6d");
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my $sleepy = 9;
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sub rest_svc {
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print "not reachable!!\n$svact @svcs... ";
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system($svmgr, $svact, @svcs);
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print "Done!!\nwaiting $sleepy seconds to cont... ";
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sleep ($sleepy);
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print "Done!!\n";
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}
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sub ping_ip {
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if ($_ =~ m/$RE{net}{IPv4}/) {
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print "pinging $_ via ICMP... ";
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if ($p4->ping($_, 2)) {
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print "success!!\n";
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} else {
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rest_svc();
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}
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} elsif ($_ =~ m/$RE{net}{IPv6}/) {
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print "pinging $_ via ICMPv6... ";
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if ($p6->ping($_, 2)) {
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print "success!!\n";
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} else {
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rest_svc();
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}
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}
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}
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foreach (@ARGV) {
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if ($_ =~ m/[A-F]*/) {
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$_ =~ tr/[A-F]/[a-f]/; # toggle case
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}
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ping_ip($_);
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}
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$p4->close();
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$p6->close();
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