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Diff for /loncom/init.d/loncontrol between versions 1.16 and 1.21

version 1.16, 2004/01/05 22:36:48 version 1.21, 2004/12/02 20:49:50
Line 2 Line 2
 #  #
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 #  #
   # 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/
   #
 # Startup script for the LON-CAPA network processes  # Startup script for the LON-CAPA network processes
 #  #
 # YEAR=2000  
 # YEAR=2001  
 # YEAR=2002  
   
 # chkconfig: 345 95 5  # chkconfig: 345 95 5
 # description: LON-CAPA is a "network of knowledge".  It is used to  # description: LON-CAPA is a "network of knowledge".  It is used to \
 # distribute knowledge resources and instructional management.  # distribute knowledge resources and instructional management.
 # processnames: lonc, lond, lonsql  # processnames: lonc, lond, lonsql
 # pidfiles: /home/httpd/perl/logs/lon*.pid  # pidfiles: /home/httpd/perl/logs/lon*.pid
Line 22  $command=$ARGV[0]; $command=~s/[^a-z]//g Line 41  $command=$ARGV[0]; $command=~s/[^a-z]//g
 $ENV{'PATH'}="/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/root/bin";  $ENV{'PATH'}="/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/root/bin";
 $ENV{'BASH_ENV'}="";  $ENV{'BASH_ENV'}="";
   
   { # Firewall variable scoping
       # Firewall code is based on the code in FC2 /etc/init.d/ntpd
       my $fw_chain = 'RH-Firewall-1-INPUT';
       my $iptables = '/sbin/iptables';
       my $port = 5663;
   
   sub firewall_open_port {
       return if (! &firewall_is_active);
       print "Opening firewall access on port $port\n";
       if (! `$iptables -L -n 2>/dev/null | grep $fw_chain | wc -l`) { return; }
       # iptables is running with our chain
       #
       # We could restrict the servers allowed to attempt to communicate
       # here, but the logistics of updating the /home/httpd/lonTabs/host.tab
       # file are likely to be a problem
       my $firewall_command = 
           "$iptables -I $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT";
       system($firewall_command);
       my $return_status = $?>>8;
       if ($return_status == 1) {
           # Error
           print "Error opening port.\n";
       } elsif ($return_status == 2) {
           # Bad command
           print "Bad command error opening port.  Command was\n".
               "  ".$firewall_command."\n";
       }
   }
   
   sub firewall_is_port_open {
       # returns 1 if the firewall port is open, 0 if not.
       #
       # check if firewall is active or installed
       return if (! &firewall_is_active);
       if (`$iptables -L -n 2>/dev/null | grep "tcp dpt:$port"`) { 
           return 1;
       } else {
           return 0;
       }
   }
   
   sub firewall_is_active {
       if (-e '/proc/net/ip_tables_names') {
           return 1;
       } else {
           return 0;
       }
   }
   
   sub firewall_close_port {
       return if (! &firewall_is_active);
       print "Closing firewall access on port $port\n";
       my $firewall_command = 
           "$iptables -D $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT";
       system($firewall_command);
       my $return_status = $?>>8;
       if ($return_status == 1) {
           # Error
           print "Error closing port.\n";
       } elsif ($return_status == 2) {
           # Bad command
           print "Bad command error closing port.  Command was\n".
               "  ".$firewall_command."\n";
       }
   }
   
   } # End firewall variable scope
   
 sub stop_daemon {  sub stop_daemon {
     my ($daemon)=@_;      my ($daemon,$killallname)=@_;
     my $pidfile="/home/httpd/perl/logs/$daemon.pid";      my $pidfile="/home/httpd/perl/logs/$daemon.pid";
           
     printf("%-10s ",$daemon);      printf("%-10s ",$daemon);
Line 37  sub stop_daemon { Line 124  sub stop_daemon {
     kill KILL => $daemonpid;      kill KILL => $daemonpid;
     sleep 2;      sleep 2;
     if (kill 0 => $daemonpid) {      if (kill 0 => $daemonpid) {
  print("failed to kill\n"); return;   print("failed to kill");
     } else {      } else {
  print("killed\n"); return;   print("killed");
     }      }
  } else {   } else {
     print("stopped\n"); return;      print("stopped");
  }   }
       } else {
    print("not running");
       }
       system("killall -q -0 $killallname");
       if ($? == 0) {
    system("killall -q $killallname");
    print(", killed off extraneous processes");
     }      }
     print("not running\n");      print("\n");
 }  }
   
   
 if (($command eq "restartold") or ($command eq "reloadold")) {  if (($command eq "restartold") or ($command eq "reloadold")) {
     print 'Restarting LON-CAPA'."\n";      print 'Restarting LON-CAPA'."\n";
     print 'Ending LON-CAPA client and daemon processes'."\n";      print 'Ending LON-CAPA client and daemon processes'."\n";
     foreach my $daemon ('lonsql','lond','lonc','lonhttpd') {      foreach my $daemon ('lonsql','lond','lonc','lonhttpd') {
  &stop_daemon($daemon);   &stop_daemon($daemon,$daemon);
     }      }
     print 'Starting LON-CAPA client and daemon processes (please be patient)'.      print 'Starting LON-CAPA client and daemon processes (please be patient)'.
  "\n";   "\n";
     system("su -c '/home/httpd/perl/loncron' www");      system("su www -c '/home/httpd/perl/loncron --oldlonc --justcheckdaemons'");
 } elsif (($command eq "restart") or ($command eq "reload")) {  } elsif (($command eq "restart") or ($command eq "reload")) {
     print 'Restarting LON-CAPA'."\n";      print 'Restarting LON-CAPA'."\n";
     print 'Ending LON-CAPA client and daemon processes'."\n";      print 'Ending LON-CAPA client and daemon processes'."\n";
     foreach my $daemon ('lonsql','lond','lonc','lonhttpd') {      foreach my $daemon ('lonsql','lond','lonc','lonhttpd') {
  &stop_daemon($daemon);   my $killallname=$daemon;
    if ($daemon eq 'lonc') { $killallname='loncnew'; }
    &stop_daemon($daemon,$killallname);
     }      }
     print 'Starting LON-CAPA client and daemon processes (please be patient)'.      print 'Starting LON-CAPA client and daemon processes (please be patient)'.
  "\n";   "\n";
     system("su -c '/home/httpd/perl/loncron new' www");      system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
 } elsif ($command eq "stop") {  } elsif ($command eq "stop") {
     print 'Stopping LON-CAPA'."\n";      print 'Stopping LON-CAPA'."\n";
     foreach my $daemon ('lonsql','lond','lonc','lonhttpd') {      foreach my $daemon ('lonsql','lond','lonc','lonhttpd') {
  &stop_daemon($daemon);   my $killallname=$daemon;
    if ($daemon eq 'lonc') { $killallname='loncnew'; }
    &stop_daemon($daemon,$killallname);
     }      }
       &firewall_close_port();
 } elsif ($command eq "startold") {  } elsif ($command eq "startold") {
       &firewall_open_port();
     print 'Starting LON-CAPA'."\n";      print 'Starting LON-CAPA'."\n";
     print 'Starting LON-CAPA client and daemon processes (please be patient)'.      print 'Starting LON-CAPA client and daemon processes (please be patient)'.
  "\n";    "\n"; 
     system("su -c '/home/httpd/perl/loncron' www");      system("su www -c '/home/httpd/perl/loncron --oldlonc --justcheckdaemons'");
 } elsif ($command eq "start") {  } elsif ($command eq "start") {
       &firewall_open_port();
     print 'Starting LON-CAPA'."\n";      print 'Starting LON-CAPA'."\n";
     print 'Starting LON-CAPA client and daemon processes (please be patient)'.      print 'Starting LON-CAPA client and daemon processes (please be patient)'.
  "\n";    "\n"; 
     system("su -c '/home/httpd/perl/loncron new' www");      system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
 } elsif ($command eq "status") {  } elsif ($command eq "status") {
     $response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`;      $response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`;
     if ($response=~/No such file or directory/) {      if ($response=~/No such file or directory/) {
  print 'LON-CAPA is not running.'."\n";   print 'LON-CAPA is not running.'."\n";
     }      } else {
     else {  
  print 'LON-CAPA is running.'."\n";   print 'LON-CAPA is running.'."\n";
    system("su www -c '/home/httpd/perl/loncron --justcheckconnections'");
       }
       if (! &firewall_is_active) {
           print 'The iptables firewall is not active'."\n";
       }
       if (&firewall_is_port_open()) {
           print 'The LON-CAPA port is open in firewall.'."\n";
       } elsif (&firewall_is_active) {
           print 'The LON-CAPA port is NOT open in running firewall!'."\n";
     }      }
 } else {  } else {
     print 'You need to specify restart|stop|start|status on the command line'.      print 'You need to specify one of restart|stop|start|status on the command line.'."\n";
  ' argument.'."\n";  
 }  }
Removed from v.1.16  
changed lines
  Added in v.1.21

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