+#!/usr/bin/perl
+use warnings;
+use strict;
+
+# pull info from SNMP enabled printers and dump JSON
+
+use SNMP::Multi;
+use Data::Dump qw(dump);
+
+my $dir = 'public/json/monitor/printers';
+
+use JSON;
+sub save_json {
+ my ( $ip, $json ) = @_;
+ my $path = "$dir/$ip";
+ open(my $fh, '>', $path) || die "$path: $!";
+ print $fh encode_json $json;
+ close($fh);
+ warn "# $path ", -s $path, " bytes\n";
+}
+
+my $debug = $ENV{DEBUG} || 0;
+
+my $community = 'public';
+my @printers = qw(
+10.60.0.20
+
+10.60.3.15
+10.60.3.17
+
+10.60.3.19
+10.60.3.21
+
+10.60.3.23
+10.60.3.25
+
+10.60.3.27
+10.60.3.29
+
+10.60.3.31
+10.60.3.33
+
+10.60.3.35
+10.60.3.37
+);
+
+@printers = @ARGV if @ARGV;
+
+# remove final .1 since we are using bulkwalk to get values!
+my %vars = qw[
+info iso.3.6.1.2.1.1.1.0
+hostname iso.3.6.1.2.1.43.5.1.1.16.1
+serial iso.3.6.1.2.1.43.5.1.1.17.1
+pages iso.3.6.1.2.1.43.10.2.1.4.1
+@message iso.3.6.1.2.1.43.18.1.1.8
+@consumable_name iso.3.6.1.2.1.43.11.1.1.6.1
+@consumable_max iso.3.6.1.2.1.43.11.1.1.8.1
+@consumable_curr iso.3.6.1.2.1.43.11.1.1.9.1
+@tray_max iso.3.6.1.2.1.43.8.2.1.9.1
+@tray_capacity iso.3.6.1.2.1.43.8.2.1.10.1
+@tray_name iso.3.6.1.2.1.43.8.2.1.13.1
+@tray_dim_x iso.3.6.1.2.1.43.8.2.1.4.1
+@tray_dim_y iso.3.6.1.2.1.43.8.2.1.5.1
+];
+
+my $oid2name;
+my @vars;
+while ( my ($name,$oid) = each %vars ) {
+ $oid =~ s/\.[0-1]$// if $name !~ /^\@/;
+ push @vars, [ $oid ];
+ $oid2name->{$oid} = $name;
+}
+my @oids = sort { length $a <=> length $b } keys %$oid2name;
+warn "# vars = ",dump(@vars) if $debug;
+
+my $sm = SNMP::Multi->new(
+ Method => 'bulkwalk',
+ Community => $community,
+ Requests => SNMP::Multi::VarReq->new(
+ hosts => [ @printers ],
+ vars => [ @vars ],
+ ),
+ Timeout => 1,
+ Retries => 0,
+) or die $SNMP::Multi::error;
+
+warn "# working on: ", join(' ', @printers),$/;
+
+my $resp = $sm->execute() or die $sm->error();
+
+my $collected;
+
+foreach my $host ( $resp->hosts ) {
+ my $status;
+
+ foreach my $result ( $host->results ) {
+ if ( $result->error ) {
+ warn "ERROR: $host ", $result->error;
+ next;
+ }
+
+ warn "## result = ", dump($result) if $debug;
+
+ foreach my $v ( $result->varlists ) {
+ foreach my $i ( @$v ) {
+ my ( $oid, undef, $val, $fmt ) = @$i;
+ if ( my $name = $oid2name->{$oid} ) {
+ $status->{$name} = $val;
+ } else {
+ my $oid_base;
+ foreach ( @oids ) {
+ my $oid_part = substr($oid,0,length($_));
+ if ( $oid_part eq $_ ) {
+ $oid_base = $oid_part;
+ last;
+ }
+ }
+
+ my $name = $oid2name->{$oid_base} || die "no name for $oid in ",dump( $oid2name );
+ if ( $name =~ s/^\@// ) {
+ push @{ $status->{$name} }, $val;
+ } else {
+ $status->{$name} = $val;
+ }
+ }
+ }
+ }
+
+ }
+
+ foreach my $group ( grep { /\w+_\w+/ } keys %$status ) {
+ my ( $prefix,$name ) = split(/_/,$group,2);
+ foreach my $i ( 0 .. $#{ $status->{$group} } ) {
+ $status->{$prefix}->[$i]->{$name} = $status->{$group}->[$i];
+ }
+ delete $status->{$group};
+ }
+
+ print "$host = ",dump($status);
+ save_json $host => $status;
+ $collected->{$host} = $status;
+}
+