gosa-si/client/events/load_reporter.pm

   1 package load_reporter;
   2 use Exporter;
   3 @ISA = qw(Exporter);
   4 my @events = (
   5     "get_events",
   6     "get_terminal_server",
   7         "get_load",
   8         "report_load",
   9         "set_terminal_server",
  10     );
  11 @EXPORT = @events;
  12
  13 use strict;
  14 use warnings;
  15 use GOSA::GosaSupportDaemon;
  16
  17 BEGIN {}
  18 END {}
  19
  20 my $ts_load_file;
  21 my $waiting_for_ts_info;
  22 my %cfg_defaults = (
  23                 "client" => {
  24                 "ts-load-file" => [\$ts_load_file, "/var/run/gosa-si-client-ts-load.txt"],
  25                 "waiting-for-ts-info" => [\$waiting_for_ts_info, 5],
  26                 },
  27                 );
  28 &GOSA::GosaSupportDaemon::read_configfile($main::cfg_file, %cfg_defaults);
  29
  30
  31 ### FUNCTIONS #################################################################
  32 sub get_events { return \@events; }
  33
  34 sub get_terminal_server
  35 {
  36         my ($content, $poe_kernel) = @_ ;
  37
  38         # Create message
  39         my $msg_hash = &create_xml_hash("get_terminal_server", $main::client_address, $main::server_address);
  40         &add_content2xml_hash($msg_hash, "macaddress", $main::client_mac_address);
  41         my $msg = &create_xml_string($msg_hash);
  42
  43         $poe_kernel->delay_set('trigger_set_terminal_server', $waiting_for_ts_info);
  44         &main::daemon_log("INFO: Start obtaining terminal server load information. Set waiting time to '$waiting_for_ts_info' sec.", 5);
  45         return $msg;
  46 }
  47
  48 sub get_load
  49 {
  50         my ($msg, $msg_hash) = @_ ;
  51         my $source = @{$msg_hash->{'source'}}[0];
  52         my $target = @{$msg_hash->{'target'}}[0];
  53         my $out_msg;
  54
  55
  56         my $file = "/proc/loadavg";
  57         if ((not -f $file) || (not -r $file)) { return }
  58         open(FHD, "<$file");
  59         my $line = <FHD>;
  60         close(FHD);
  61         chomp($line);
  62
  63         $out_msg = &create_xml_string(&create_xml_hash("report_load", $target, $source, $line));
  64
  65         return $out_msg;
  66 }
  67
  68 sub report_load
  69 {
  70         my ($msg, $msg_hash) = @_ ;
  71         my $source = @{$msg_hash->{'source'}}[0];
  72         my $load = @{$msg_hash->{'report_load'}}[0];
  73
  74         $main::terminal_server_hash->{$source} = $load;
  75
  76         return;
  77 }
  78
  79 sub set_terminal_server
  80 {
  81         my $file_content = "";
  82         while (my ($ts, $load) = each %$main::terminal_server_hash)
  83         {
  84                 $file_content .= "$ts $load\n";
  85         }
  86         open(FHD, ">$ts_load_file.part");
  87         printf FHD $file_content;
  88         close FHD;
  89
  90         system("mv $ts_load_file.part $ts_load_file");
  91         &main::daemon_log("INFO: Wrote terminal server load information to $ts_load_file", 5);
  92         return;
  93 }
  94
  95 1;