| 1 |
#!/opt/bin/perl |
| 2 |
|
| 3 |
use Getopt::Long; |
| 4 |
|
| 5 |
use AnyEvent; |
| 6 |
use AnyEvent::Socket; |
| 7 |
use AnyEvent::FastPing; |
| 8 |
|
| 9 |
use strict; |
| 10 |
|
| 11 |
sub usage { |
| 12 |
print STDERR <<EOF; |
| 13 |
Usage: fastping [-w<seconds>] [-r<packets>] [-c[count] [-q] range... |
| 14 |
|
| 15 |
--wait | -w after pinging, wait this many seconds on replies [default 0.25] |
| 16 |
--rate | -r maximum number of packets send/second [default 0, unlimited] |
| 17 |
--count | -c how many pings to send to each address [default 1] |
| 18 |
--quiet | -q do not process and output ping replies (also faster) |
| 19 |
|
| 20 |
range low[,high[,bandwidth]] |
| 21 |
low and high must be either IPv4 or IPv6 addresses, specifying |
| 22 |
a range of addresses to ping. If high is omitted, it is assumed |
| 23 |
to be equal to low. The optional bandwidth gives the IP-level |
| 24 |
maximum bandwidth in kilobytes per second. |
| 25 |
|
| 26 |
Note: |
| 27 |
* you should almost always specify a packet rate and possible range bandwidths, |
| 28 |
as the default is to ping as fast as possible. |
| 29 |
|
| 30 |
Output: |
| 31 |
For each ping reply received, net-fping will output a single line with |
| 32 |
three space-separated columns, the IP address, the iteration count and |
| 33 |
the round trip time in seconds (as a float). |
| 34 |
|
| 35 |
Example: |
| 36 |
ping 10.0.0.1 .. 10.0.0.254 with at most 8 kilobytes/second and |
| 37 |
11.0.0.1 .. 11.0.0.254 as fast as possible, never exceeding 1000 packets/s, |
| 38 |
and waiting up to three seconds to wait for delayed replies: |
| 39 |
|
| 40 |
fastping -w3 -r1000 10.0.0.1,10.0.0.254,8 11.0.0.1,11.0.0.254 |
| 41 |
EOF |
| 42 |
exit shift; |
| 43 |
} |
| 44 |
|
| 45 |
@ARGV or usage 0; |
| 46 |
|
| 47 |
Getopt::Long::Configure ("bundling", "no_ignore_case"); |
| 48 |
|
| 49 |
my $count = 1; |
| 50 |
my $rate = 0; |
| 51 |
my $wait = 0.25; |
| 52 |
my $count = 1; |
| 53 |
my $quiet = 0; |
| 54 |
|
| 55 |
GetOptions ( |
| 56 |
"help|h" => sub { usage 0 }, |
| 57 |
"count|c=i" => \$count, |
| 58 |
"rate|r=f" => \$rate, |
| 59 |
"wait|w=f" => \$wait, |
| 60 |
"quiet|q" => \$quiet, |
| 61 |
) or usage 1; |
| 62 |
|
| 63 |
my @ranges; |
| 64 |
|
| 65 |
for (@ARGV) { |
| 66 |
my ($lo, $hi, $kbps) = split /,/; |
| 67 |
my $pktsz; |
| 68 |
|
| 69 |
$hi = $lo unless $hi; |
| 70 |
|
| 71 |
$lo = AnyEvent::Socket::parse_address $lo; |
| 72 |
$hi = AnyEvent::Socket::parse_address $hi; |
| 73 |
|
| 74 |
(length $lo) and (length $lo == length $hi) |
| 75 |
or die "ip adress parse error"; |
| 76 |
|
| 77 |
$pktsz = (4 == length $lo) |
| 78 |
? AnyEvent::FastPing::icmp4_pktsize |
| 79 |
: AnyEvent::FastPing::icmp6_pktsize; |
| 80 |
|
| 81 |
push @ranges, [$lo, $hi, $kbps && $pktsz / ($kbps * 1000)]; |
| 82 |
} |
| 83 |
|
| 84 |
{ |
| 85 |
my $pinger = new AnyEvent::FastPing; |
| 86 |
|
| 87 |
$pinger->interval ($rate && 1 / $rate); |
| 88 |
$pinger->max_rtt (0); |
| 89 |
|
| 90 |
$pinger->on_recv (sub { |
| 91 |
for (@{ $_[0] }) { |
| 92 |
printf "%s %g\n", AnyEvent::Socket::format_address $_->[0], $_->[1]; |
| 93 |
} |
| 94 |
}) unless $quiet; |
| 95 |
|
| 96 |
for my $iter (1 .. $count) { |
| 97 |
$pinger->add_range (@$_) |
| 98 |
for @ranges; |
| 99 |
|
| 100 |
$pinger->on_idle (my $done = AE::cv); |
| 101 |
$pinger->start; |
| 102 |
$done->wait; |
| 103 |
} |
| 104 |
|
| 105 |
{ |
| 106 |
my $wait_w = AE::timer $wait, 0, my $done = AE::cv; |
| 107 |
$done->wait; |
| 108 |
} |
| 109 |
} |
| 110 |
|
