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Diff for /loncom/lond between versions 1.58 and 1.60

version 1.58, 2001/11/26 20:59:01 version 1.60, 2001/11/29 18:56:31
Line 1 Line 1
 #!/usr/bin/perl  #!/usr/bin/perl
 # The LearningOnline Network  # The LearningOnline Network
 # lond "LON Daemon" Server (port "LOND" 5663)  # lond "LON Daemon" Server (port "LOND" 5663)
   #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
 # 5/26/99,6/4,6/10,6/11,6/14,6/15,6/26,6/28,6/30,  # 5/26/99,6/4,6/10,6/11,6/14,6/15,6/26,6/28,6/30,
 # 7/8,7/9,7/10,7/12,7/17,7/19,9/21,  # 7/8,7/9,7/10,7/12,7/17,7/19,9/21,
 # 10/7,10/8,10/9,10/11,10/13,10/15,11/4,11/16,  # 10/7,10/8,10/9,10/11,10/13,10/15,11/4,11/16,
Line 17 Line 42
 # 04/02 Scott Harrison  # 04/02 Scott Harrison
 # 05/11,05/28,08/30 Gerd Kortemeyer  # 05/11,05/28,08/30 Gerd Kortemeyer
 # 9/30,10/22,11/13,11/15,11/16 Scott Harrison  # 9/30,10/22,11/13,11/15,11/16 Scott Harrison
 # 11/26 Gerd Kortemeyer  # 11/26,11/27 Gerd Kortemeyer
 #  #
 # $Id$  
 ###  ###
   
 # based on "Perl Cookbook" ISBN 1-56592-243-3  # based on "Perl Cookbook" ISBN 1-56592-243-3
Line 53  sub catchexception { Line 77  sub catchexception {
      ."a crash with this error msg->[$error]</font>");       ."a crash with this error msg->[$error]</font>");
     &logthis('Famous last words: '.$status.' - '.$lastlog);      &logthis('Famous last words: '.$status.' - '.$lastlog);
     if ($client) { print $client "error: $error\n"; }      if ($client) { print $client "error: $error\n"; }
       $server->close();
     die($error);      die($error);
 }  }
   
Line 138  sub REAPER {                        # ta Line 163  sub REAPER {                        # ta
 sub HUNTSMAN {                      # signal handler for SIGINT  sub HUNTSMAN {                      # signal handler for SIGINT
     local($SIG{CHLD}) = 'IGNORE';   # we're going to kill our children      local($SIG{CHLD}) = 'IGNORE';   # we're going to kill our children
     kill 'INT' => keys %children;      kill 'INT' => keys %children;
       &logthis("Free socket: ".shutdown($server,2)); # free up socket
     my $execdir=$perlvar{'lonDaemons'};      my $execdir=$perlvar{'lonDaemons'};
     unlink("$execdir/logs/lond.pid");      unlink("$execdir/logs/lond.pid");
     &logthis("<font color=red>CRITICAL: Shutting down</font>");      &logthis("<font color=red>CRITICAL: Shutting down</font>");
Line 147  sub HUNTSMAN {                      # si Line 173  sub HUNTSMAN {                      # si
 sub HUPSMAN {                      # signal handler for SIGHUP  sub HUPSMAN {                      # signal handler for SIGHUP
     local($SIG{CHLD}) = 'IGNORE';  # we're going to kill our children      local($SIG{CHLD}) = 'IGNORE';  # we're going to kill our children
     kill 'INT' => keys %children;      kill 'INT' => keys %children;
     close($server);                # free up socket      &logthis("Free socket: ".shutdown($server,2)); # free up socket
     &logthis("<font color=red>CRITICAL: Restarting</font>");      &logthis("<font color=red>CRITICAL: Restarting</font>");
     unlink("$execdir/logs/lond.pid");      unlink("$execdir/logs/lond.pid");
     my $execdir=$perlvar{'lonDaemons'};      my $execdir=$perlvar{'lonDaemons'};
Line 446  sub make_new_child { Line 472  sub make_new_child {
                   } else {                    } else {
       &logthis(        &logthis(
  "<font color=blue>WARNING: $clientip did not reply challenge</font>");   "<font color=blue>WARNING: $clientip did not reply challenge</font>");
                       print $client "bye\n";  
                       &status('No challenge reply '.$clientip);                        &status('No challenge reply '.$clientip);
                   }                    }
               } else {                } else {
   &logthis(    &logthis(
                     "<font color=blue>WARNING: "                      "<font color=blue>WARNING: "
                    ."$clientip failed to initialize: >$remotereq< </font>");                     ."$clientip failed to initialize: >$remotereq< </font>");
   print $client "bye\n";  
                   &status('No init '.$clientip);                    &status('No init '.$clientip);
               }                }
     } else {      } else {
               &logthis(                &logthis(
  "<font color=blue>WARNING: Unknown client $clientip</font>");   "<font color=blue>WARNING: Unknown client $clientip</font>");
               print $client "bye\n";  
               &status('Hung up on '.$clientip);                &status('Hung up on '.$clientip);
             }              }
             if ($clientok) {              if ($clientok) {
Line 1294  sub make_new_child { Line 1317  sub make_new_child {
                        &logthis(                         &logthis(
       "Client $clientip ($hostid{$clientip}) hanging up: $userinput");        "Client $clientip ($hostid{$clientip}) hanging up: $userinput");
                        print $client "bye\n";                         print $client "bye\n";
                          $client->close();
        last;         last;
 # ------------------------------------------------------------- unknown command  # ------------------------------------------------------------- unknown command
                    } else {                     } else {
Line 1303  sub make_new_child { Line 1327  sub make_new_child {
 # -------------------------------------------------------------------- complete  # -------------------------------------------------------------------- complete
                    &status('Listening to '.$hostid{$clientip});                     &status('Listening to '.$hostid{$clientip});
        }         }
 # ------------------------------------------------------ client unknown, refuse  # --------------------------------------------- client unknown or fishy, refuse
             } else {              } else {
         print $client "refused\n";          print $client "refused\n";
                   $client->close();
                 &logthis("<font color=blue>WARNING: "                  &logthis("<font color=blue>WARNING: "
                 ."Rejected client $clientip, closing connection</font>");                  ."Rejected client $clientip, closing connection</font>");
             }                            }              
Line 1316  sub make_new_child { Line 1341  sub make_new_child {
           
         # tidy up gracefully and finish          # tidy up gracefully and finish
           
           $client->close();
           $server->close();
   
         # this exit is VERY important, otherwise the child will become          # this exit is VERY important, otherwise the child will become
         # a producer of more and more children, forking yourself into          # a producer of more and more children, forking yourself into
         # process death.          # process death.
Removed from v.1.58  
changed lines
  Added in v.1.60

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