You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
112 lines
4.3 KiB
112 lines
4.3 KiB
#!/usr/bin/perl |
|
# |
|
# This tool watches for network changes and updates a cache file when changes are found. |
|
# |
|
# NOTE: This tool does NOT connect to the databases. This is meant to be as quick as possible and to use as |
|
# few resources as possible. It will exit with 'ok' or 'change' depending on if something in the |
|
# network changed. |
|
# |
|
# Exit codes; |
|
# 0 = Normal exit |
|
# |
|
# TODO: |
|
# - |
|
# |
|
|
|
use strict; |
|
use warnings; |
|
use Time::HiRes qw(gettimeofday tv_interval); |
|
my $start_time = [gettimeofday]; |
|
use Anvil::Tools; |
|
|
|
my $THIS_FILE = ($0 =~ /^.*\/(.*)$/)[0]; |
|
my $running_directory = ($0 =~ /^(.*?)\/$THIS_FILE$/)[0]; |
|
if (($running_directory =~ /^\./) && ($ENV{PWD})) |
|
{ |
|
$running_directory =~ s/^\./$ENV{PWD}/; |
|
} |
|
|
|
# Turn off buffering so that the pinwheel will display while waiting for the SSH call(s) to complete. |
|
$| = 1; |
|
|
|
my $anvil = Anvil::Tools->new(); |
|
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 3, secure => 0, key => "log_0115", variables => { program => $THIS_FILE }}); |
|
|
|
scan($anvil); |
|
|
|
my $total = tv_interval ($start_time, [gettimeofday]); |
|
print "Total runtime: [".$total."]\n"; |
|
$anvil->nice_exit({exit_code => 0}); |
|
|
|
|
|
############################################################################################################# |
|
# Functions # |
|
############################################################################################################# |
|
|
|
sub scan |
|
{ |
|
my ($anvil) = @_; |
|
|
|
my $directory = "/sys/class/net"; |
|
print $THIS_FILE." ".__LINE__."; directory: [".$directory."]\n"; |
|
local(*DIRECTORY); |
|
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 3, key => "log_0018", variables => { directory => $directory }}); |
|
opendir(DIRECTORY, $directory); |
|
while(my $file = readdir(DIRECTORY)) |
|
{ |
|
next if $file eq "."; |
|
next if $file eq ".."; |
|
next if $file eq "lo"; |
|
my $full_path = "$directory/$file"; |
|
print $THIS_FILE." ".__LINE__."; full_path: [".$full_path."]\n"; |
|
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { full_path => $full_path }}); |
|
if (-d $full_path) |
|
{ |
|
# Pull out the data I want. Note that some of these don't exist with virtio-net interfaces. |
|
my $interface = $file; |
|
my $mac_address = -e $full_path."/address" ? $anvil->Storage->read_file({file => $full_path."/address"}) : ""; |
|
my $link_state = -e $full_path."/carrier" ? $anvil->Storage->read_file({file => $full_path."/carrier"}) : 0; |
|
my $mtu = -e $full_path."/mtu" ? $anvil->Storage->read_file({file => $full_path."/mtu"}) : 0; |
|
my $duplex = -e $full_path."/duplex" ? $anvil->Storage->read_file({file => $full_path."/duplex"}) : "unknown"; # full or half? |
|
my $operational = -e $full_path."/operstate" ? $anvil->Storage->read_file({file => $full_path."/operstate"}) : "unknown"; # up or down |
|
my $speed = $link_state ? $anvil->Storage->read_file({file => $full_path."/speed"}) : 0; # Mbps (ie: 1000 = Gbps), gives a very high number for unplugged link |
|
if ($speed > 100000) |
|
{ |
|
# NOTE: This is probably 0 now... Though someday >100 Gbps will be reasonable |
|
# and we'll need to change this. |
|
$speed = 0; |
|
} |
|
|
|
# Find the media, if possible. |
|
my $media = "unknown"; |
|
my $shell_call = $anvil->data->{path}{exe}{ethtool}." $interface"; |
|
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { shell_call => $shell_call }}); |
|
my $ethtool = $anvil->System->call({shell_call => $shell_call}); |
|
foreach my $line (split/\n/, $ethtool) |
|
{ |
|
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { line => $line }}); |
|
if ($line =~ /Supported ports: \[ (.*?) \]/i) |
|
{ |
|
$media = lc($1); |
|
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { media => $media }}); |
|
last; |
|
} |
|
} |
|
|
|
# Log |
|
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { |
|
interface => $interface, |
|
mac_address => $mac_address, |
|
link_state => $link_state, |
|
mtu => $mtu, |
|
duplex => $duplex, |
|
operational => $operational, |
|
speed => $speed, |
|
media => $media, |
|
}}); |
|
} |
|
} |
|
closedir(DIRECTORY); |
|
|
|
return(0); |
|
}
|
|
|