Subversion Repositories camp_sysinfo_client_3

#!/usr/bin/env perl

use warnings;

use strict;  

use version ; our $VERSION = '1.2';

# pci information for sysinfo client

# Author: R. W. Rodolico

# Date:   2016-04-08

# gets information on pci information assuming lspci is installed

# I really don't remember how I wrote this originally, so I just put everything

# into the hash (as done in v2), then print the hash. Unneccessarily wasteful of memory

#

# Revision History

# find our location and use it for searching for libraries. library.pm must be in the same directory as the calling script

# or, if run interactively, in the parent of the modules

BEGIN {

   use FindBin;

   use File::Spec;

   # prepend the bin directory and its parent

   use lib File::Spec->catdir($FindBin::Bin), File::Spec->catdir("$FindBin::Bin/..");

   eval( 'use library;' );

   die sprintf( "Could not find library.pm in %s, INC is %s\n", __FILE__, join( "\n", @INC ) ) if $@;

}

#####

##### Change these to match your needs

#####

# Make this a list of all the modules we are going to use. You can replace undef with the version you need, if you like

my $modulesList = {

        'Data::Dumper'     => undef,

   };

# hash of commands that are needed for the system. key is the name of the command and, in some cases, the value will become

# the full path (from which or where)

my $commandsList = {

        'lspci' => undef,

   };

# list of operating systems this module can be used on.

my $osList = {

#         'mswin32' => undef,

#         'freebsd' => undef,

         'linux'   => undef,

   };

# the category the return data should go into. See sysinfo for a list

my $CATEGORY = 'pci';

#####

##### End of required

#####

# some variables needed for our system

my $errorPrepend = 'error: in ' . __FILE__; # this is prepended to any error messages

my @out; # temporary location for each line of output

# Try to load the modules we need. If we can not, then make a list of missing modules for error message.

for my $module ( keys %$modulesList ) {

   eval ( "use $module;" );

   push @out, "$errorPrepend Could not load $module" if $@;

}

if ( ! @out && ! checkOS ( $osList ) ) { # check if we are on an acceptible operating system

    push @out, "$errorPrepend Invalid Operating System";

}

if ( !@out && ! validCommandOnSystem ( $commandsList ) ) {

   push @out, "$errorPrepend Can not find some commands needed";

}

if ( !@out ) { # we made it, we have everything, so do the processing

   #####

   ##### Your code starts here. Remember to push all output onto @out

   #####

   my $pciInfo =  qx(lspci -Dvmm);

   # this is a regular expression to "find" the slot number, if one exists

   # Different versions of lspci use different keys for the name and the slot

   # in some cases, the key Device: is used for both the device name and the slot (Debian Etch lspci version 2.2.4-pre4)

   # so I have to use this kludge. I may rewrite it to just search the sys directory tree later.

   my $SLOT_REGEX = '^[0-9a-z]+[:.][0-9a-z]+';

   my @pciInfo = split ("\n\n", $pciInfo);

   my $i = 0;

   my %returnValue;

   while (my $test = shift (@pciInfo)) {

      foreach my $thisLine (sort split("\n", $test)) {

         if ($thisLine =~ m/([a-z]+):\s*(\S.*)/i) {

            my ($key, $value) = (lc $1,$2);

            # remove any leading whitespace

            $key =~ s/^\s*//g;

            $value =~ s/^\s*//g;

            while (defined($returnValue{$i}{$key})) { # dup key, so give it a unique value

               $key .= '0'; # just add some 0's at the end

            }

            $returnValue{$i}{$key} = $value;

         }

      }

      unless (defined $returnValue{$i}{'slot'}) { # no slot number, so see if we have one

         $returnValue{$i}{'slot'} = 'Unknown';

         for my $thisKey ( keys %{$returnValue{$i}} ) {

               if ($returnValue{$i}{$thisKey} =~ m/$SLOT_REGEX/i) {

               $returnValue{$i}{'slot'} = $returnValue{$i}{$thisKey}; # this puts it in two places, so remove the original

               delete $returnValue{$i}{$thisKey};

               last;

               }

            }

      }

      if (defined ($returnValue{$i}{'name'})) { # we need to not have this; it messes up the xml package

         $returnValue{$i}{'device name'} = $returnValue{$i}{'name'};

         delete $returnValue{$i}{'name'}

      }

      unless (defined ($returnValue{$i}{'name'})) { # no name, so see if we have one

         $returnValue{$i}{'name'} = 'Unknown';

         foreach my $thisKey ( 'slot', 'device', 'device0', 'sdevice', 'class', 'vendor', 'svendor' ) {

            if (defined($returnValue{$i}{$thisKey}) && ($returnValue{$i} ne 'Unknown') ) {

               $returnValue{$i}{'name'} = $returnValue{$i}{$thisKey};

               last;

            }

         }

      }

      $i++;

   }

   foreach my $key ( keys %returnValue ) {

      my $name = $returnValue{$key}{'name'};

      my $temp = $returnValue{$key};

      foreach my $info ( keys %$temp ) {

         push @out, "$CATEGORY\t$name\t$info\t" . $$temp{$info} unless $info eq 'name';

      }

   }

   #####

   ##### Your code ends here.

   #####

}

# If we are testing from the command line (caller is undef), print the results for debugging

print join( "\n", @out ) . "\n" unless caller;

# called by do, which has a value of the last assignment made, so make the assignment. The equivilent of a return

my $return = join( "\n", @out );