| 1 | 1 | simandl | package HotSaNICmod::OSdep; |
| 2 | | | |
| 3 | | | sub version { |
| 4 | | | ($VERSION = '$Revision: 1.16 $') =~ s/.*(\d+\.\d+).*/$1/; |
| 5 | | | return "default.pm $VERSION"; |
| 6 | | | } |
| 7 | | | |
| 8 | | | sub sample { |
| 9 | | | my %args=@_; |
| 10 | | | |
| 11 | | | $mtime=(stat("rrd"))[9]; |
| 12 | | | $now=time; |
| 13 | | | |
| 14 | | | if (($mtime+$args{INTERVAL}) <= $now) { |
| 15 | | | utime $now,$now,"rrd"; |
| 16 | | | |
| 17 | | | $processes=0; |
| 18 | | | |
| 19 | | | sub wait_for_child { |
| 20 | | | my $pid = wait; |
| 21 | | | return 0 if $pid < 0; |
| 22 | | | $processes--; |
| 23 | | | if ($processes<0) {$processes=0;} |
| 24 | | | } |
| 25 | | | |
| 26 | | | foreach (@{$args{HOST}}) { |
| 27 | | | my ($host,$descr,$method)=split /,/; |
| 28 | | | |
| 29 | | | if ( (!defined $method) || ($method eq "") || ($method eq "default") ) { $method=$args{METHOD}; } |
| 30 | | | |
| 31 | | | wait_for_child() if $processes >= $args{PARALLEL}; |
| 32 | | | |
| 33 | | | $processes++; |
| 34 | | | $return=fork; |
| 35 | | | |
| 36 | | | # child process |
| 37 | | | if ($return == 0) { |
| 38 | | | if (HotSaNIClog::check_debuglevel("MODULE_VERBOSE")) { HotSaNIClog::info("> $host using $method"); } |
| 39 | | | my ($meth,$proto)=split /-/,$method; |
| 40 | | | if ($meth eq "ping") { ($min,$avg,$max)=sysping($host,250,250,10); } |
| 41 | | | elsif ($meth eq "echo") { ($min,$avg,$max)=HotSaNICmod::common::echoping($host,250,250,10,$proto); } |
| 42 | | | elsif ($meth eq "perl") { ($min,$avg,$max)=HotSaNICmod::common::ping($host,250,250,10,$proto); } |
| 43 | | | else { HotSaNIClog::error("Unknown ping method!"); } |
| 44 | | | |
| 45 | | | if ($method ne $args{METHOD}) { HotSaNICmod::do_rrd("$host-$method","U",time,$min,$avg,$max); } |
| 46 | | | else { HotSaNICmod::do_rrd($host,"U",time,$min,$avg,$max); } |
| 47 | | | exit 0; |
| 48 | | | } |
| 49 | | | } |
| 50 | | | } |
| 51 | | | while($processes) { wait_for_child(); } |
| 52 | | | } |
| 53 | | | |
| 54 | | | |
| 55 | | | sub sysping { |
| 56 | | | my($HOST,$TIMEOUT,$WAIT,$COUNT)=@_; |
| 57 | | | $TIMEOUT/=1000; |
| 58 | | | $WAIT/=1000; |
| 59 | | | |
| 60 | | | my $command="ping $HOST -c $COUNT -w 1 -i 0.2"; |
| 61 | | | |
| 62 | | | open FILE,"$command |" || HotSaNIClog::error("unable to run `$command': $!"); |
| 63 | | | while (<FILE>) { $line=$_; } |
| 64 | | | close FILE; |
| 65 | | | |
| 66 | | | # for testing purposes... |
| 67 | | | # |
| 68 | | | # $line="round-trip min/avg/max = 0.4/0.4/0.4 ms"; |
| 69 | | | # $line="round-trip min/avg/max/mdev = 0.285/0.304/0.324/0.026 ms"; |
| 70 | | | # $line="rtt min/avg/max/mdev = 0.160/0.194/0.238/0.035 ms"; |
| 71 | | | |
| 72 | | | my $factor=1000; |
| 73 | | | |
| 74 | | | chomp $line; |
| 75 | | | if ( (index($line,"round-trip") >=0) || (index($line,"rtt") >=0) ) { |
| 76 | | | (undef,$times)=split /= */,$line; |
| 77 | | | ($min,$avg,$max)=split /[\/ ]/,$times; |
| 78 | | | if ($times =~ /us/) { $factor=1000000; } |
| 79 | | | } |
| 80 | | | else { ($min,$avg,$max)=(0,0,0); } |
| 81 | | | |
| 82 | | | return($min/$factor,$avg/$factor,$max/$factor); |
| 83 | | | } |
| 84 | | | |
| 85 | | | |
| 86 | | | 1; |
| 87 | | | |
