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https://github.com/Cacti/cacti.git
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47 lines
1.1 KiB
Prolog
47 lines
1.1 KiB
Prolog
#!/usr/bin/env perl
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delete @ENV{qw(PATH)};
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$ENV{PATH} = "/usr/bin:/bin:/sbin";
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$path = $ENV{'PATH'};
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# take care for tcp:hostname or TCP:ip@
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$host = $ARGV[0];
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$host =~ s/tcp:/$1/gis;
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# leave IPv6 in tact
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if (($host =~ tr/:://) == 0) {
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$host =~ s/:[0-9]{1,5}/$1/gis;
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}
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# Addition2
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($host) = $host =~ /^([\w.:-]+)$/;
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# always have the language in english
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$ENV{LANG}='en_US.UTF-8';
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# old linux version use 'icmp_seq'
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# newer use 'icmp_req' instead
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open(PROCESS, "ping -c 1 $host 2>&1 | grep -E '(icmp_[s|r]eq.*time|unknown host|Unknown host|not supported)' 2>/dev/null |");
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$ping = <PROCESS>;
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close(PROCESS);
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chomp($ping);
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if (($ping =~ 'unknown host') || ($ping =~ 'Unknown host') || ($ping =~ 'not supported')) {
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if ((-f '/bin/ping6') || (-f '/sbin/ping6')) {
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open(PROCESS, "ping6 -c 1 $host 2>&1 | grep 'icmp_[s|r]eq.*time' 2>/dev/null |");
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$ping = <PROCESS>;
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close(PROCESS);
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chomp($ping);
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}
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}
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$ping =~ m/(.*time=)(.*) (ms|usec)/;
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if ($2 == '') {
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print 'U'; # avoid cacti errors, but do not fake rrdtool stats
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}elsif ($3 eq 'usec') {
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print $2/1000; # re-calculate in units of 'ms'
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}else{
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print $2;
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}
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