intra page links for different hosts

[upsgraph] / upsgraph.pl
diff --git a/upsgraph.pl b/upsgraph.pl

index 812de11d19898a8ba02b5ca83734d4f720f77981..24d196afde99a9886e4b7434c86840a0e2015642 100755 (executable)
--- a/upsgraph.pl
+++ b/upsgraph.pl
@@ -6,6 +6,7 @@ if ((@ARGV != 1) && (@ARGV != 2)) {
  }
  
  use Net::SNMP;
+use IO::Socket::INET;
  use RRDs;
  use Data::Dumper;
  
@@ -54,15 +55,43 @@ sub fetch_snmp(@) {
         (my $session, my $error) = Net::SNMP->session(Hostname => $address,
                         Community => $community);
  
-       die "session error: $error" unless ($session);
+       if (!$session) {
+               print STDERR "session error: $error";
+       }
  
         $session->translate(0);
  
-       my $val = $session->get_request($oid);
+       my $result = $session->get_request($oid);
  
         $session->close;
  
-       $val;
+       return undef if (!defined($result));
+
+       $result->{$oid};
+}
+
+sub fetch_tcp(@) {
+       my $address = shift;
+       my $port = shift;
+
+       my $sock = IO::Socket::INET->new(PeerAddr => $address,
+                       PeerPort => $port,
+                       Proto => 'tcp',
+                       Timeout => 1);
+
+       return undef if (!$sock);
+
+       chomp(my $value = <$sock>);
+
+       close($sock);
+
+       if (!$value) {
+               return undef;
+       }
+
+       $value=~ s/\s//g;
+
+       $value;
  }
  
  if ($> == 0) {
@@ -212,10 +241,17 @@ exit 0 if ($child != 0);
  while(1) {
         open(HTML, ">${outdir}/index.html.new");
  
-       print HTML '<html><head><meta http-equiv="refresh" content="60"/><meta http-equiv="cache-control" content="no-cache"/><meta http-equiv="pragma" content="no-cache"/><meta http_equiv="expires" content="Sat, 26 Jul 1997 05:00:00 GMT"/><title>USV status</title></head>';
+       print HTML '<html><head><meta http-equiv="refresh" content="60"/><meta http-equiv="cache-control" content="no-cache"/><meta http-equiv="pragma" content="no-cache"/><meta http_equiv="expires" content="Sat, 26 Jul 1997 05:00:00 GMT"/><title>Status</title></head>';
         print HTML '<body bgcolor="#ffffff">';
  
         foreach my $host (@$hosts) {
+               print HTML "[<a href=\"#".${host}->{'name'}."\">".${host}->{'name'}."</a>]&nbsp;";
+       }
+       print HTML "<br>\n";
+
+       foreach my $host (@$hosts) {
+               print HTML "<br>\n";
+               print HTML "<a name=\"".${host}->{'name'}."\"></a>\n";
                 my $vars = $host->{'vars'};
                 my $rrdfile = $host->{'rrdfile'};
                 my $hostname = $host->{'name'};
@@ -223,10 +259,19 @@ while(1) {
                 foreach my $var (@{$host->{'fields'}}) {
                         delete $vars->{$var}->{'value'};
  
-                       my $result = fetch_snmp($host->{'address'}, $host->{'community'}, $vars->{$var}->{'oid'});
+                       my $result;
+
+                       if ((!defined($vars->{$var}->{'proto'})) ||
+                           ($vars->{$var}->{'proto'} eq '') ||
+                           ($vars->{$var}->{'proto'} eq 'snmp')) {
+                               $result = fetch_snmp($host->{'address'}, $host->{'community'}, $vars->{$var}->{'oid'});
+                       } elsif ($vars->{$var}->{'proto'} eq 'tcp') {
+                               $result = fetch_tcp($host->{'address'}, $vars->{$var}->{'port'});
+                       }
+
                         next unless (defined $result);
  
-                       $vars->{$var}->{'value'} = $result->{$vars->{$var}->{'oid'}};
+                       $vars->{$var}->{'value'} = $result;
                         if (defined($vars->{$var}->{'factor'})) {
                                 $vars->{$var}->{'value'} *= $vars->{$var}->{'factor'};
                         }
@@ -254,7 +299,7 @@ while(1) {
                                 rename("${outdir}/${hostname}.${var}.png.new", "${outdir}/${hostname}.${var}.png");
                         }
  
-                       print HTML "<a href=\"${hostname}.${var}.html\"><img src=\"${hostname}.${var}.png\" width=\"${width}\" height=\"${height}\" border=\"0\"></a>";
+                       print HTML "<a href=\"${hostname}.${var}.html\"><img src=\"${hostname}.${var}.png\" width=\"${width}\" height=\"${height}\" border=\"0\"></a><br>\n";
  
                         open (HTML2, ">${outdir}/${hostname}.${var}.html.new");
                         print HTML2 "<html><head><title>" . $vars->{$var}->{'name'} . "</title></head>";