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Diff for /loncom/init.d/loncontrol between versions 1.8 and 1.27

version 1.8, 2002/10/19 21:39:38 version 1.27, 2006/01/28 11:21:42
Line 1 Line 1
 #!/usr/bin/perl  #!/usr/bin/perl
 #  #
   # $Id$
   #
 # 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  
 # 10/25 Scott Harrison  
 # YEAR=2001  
 # 10/2 Scott Harrison  
 # YEAR=2002  
 # 5/11 Scott Harrison  
   
 # chkconfig: 345 95 5  # chkconfig: 345 95 5
 # description: LON-CAPA is an knowledge network server.  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 25  $command=$ARGV[0]; $command=~s/[^a-z]//g Line 43  $command=$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'}="";
   
 if (($command eq "restart") or ($command eq "reload")) {  { # 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';
       if (! -e $iptables) {
    $iptables = '/usr/sbin/iptables';
    if (! -e $iptables) {
       print("Unable to find iptables command\n");
    }
       }
       my $lond_port = 5663;
       my $lonhttpd_port = 8080;
   
   sub firewall_open_port {
       return if (! &firewall_is_active);
       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
       foreach my $port ($lond_port,$lonhttpd_port) {
           print "Opening firewall access on port $port.\n";
   
           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);
       foreach my $port ($lond_port,$lonhttpd_port) {
           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 {
       my ($daemon,$killallname)=@_;
       my $pidfile="/home/httpd/perl/logs/$daemon.pid";
       
       printf("%-15s ",$daemon);
       if (-e $pidfile) {
    open(PIDFILE,$pidfile);
    my $daemonpid=<PIDFILE>;
    chomp($daemonpid);
    kill TERM => $daemonpid;
    sleep 1;
    if (kill 0 => $daemonpid) {
       kill KILL => $daemonpid;
       sleep 1;
       if (kill 0 => $daemonpid) {
    print("failed to kill");
       } else {
    print("killed");
       }
    } else {
       print("stopped");
    }
       } else {
    print("not running");
       }
       system("killall -q -0 $killallname");
       if ($? == 0) {
    system("killall -q $killallname");
    print(", killed off extraneous processes");
       }
       unlink($pidfile);
       print("\n");
   }
   
   
   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";
     print `su -c '/bin/kill \`/bin/cat /home/httpd/perl/logs/*.pid\`' www`;      foreach my $daemon ('lonsql','lond','lonc','lonhttpd','lonmemcached') {
    &stop_daemon($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") {
 elsif ($command eq "stop") {      print 'Restarting LON-CAPA'."\n";
       print 'Ending LON-CAPA client and daemon processes'."\n";
       foreach my $daemon ('lonsql','lond','lonc','lonhttpd','lonmemcached') {
    my $killallname=$daemon;
    if ($daemon eq 'lonc') { $killallname='loncnew'; }
    &stop_daemon($daemon,$killallname);
       }
       print 'Starting LON-CAPA client and daemon processes (please be patient)'.
    "\n";
       system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
   } elsif ($command eq "stop") {
     print 'Stopping LON-CAPA'."\n";      print 'Stopping LON-CAPA'."\n";
     print `su -c '/bin/kill \`/bin/cat /home/httpd/perl/logs/*.pid\`' www`;      foreach my $daemon ('lonsql','lond','lonc','lonhttpd','lonmemcached') {
 }   my $killallname=$daemon;
 elsif ($command eq "start") {   if ($daemon eq 'lonc') { $killallname='loncnew'; }
    &stop_daemon($daemon,$killallname);
       }
       &firewall_close_port();
   } elsif ($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 "status") {      &firewall_open_port();
       print 'Starting LON-CAPA'."\n";
       print 'Starting LON-CAPA client and daemon processes (please be patient)'.
    "\n"; 
       system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
   } elsif ($command eq "reload") {
       print 'Reload LON-CAPA config files'."\n";
       system("su www -c '/home/httpd/perl/loncron --justreload'");
   } elsif ($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) {
 else {          print 'The iptables firewall is not active'."\n";
     print 'You need to specify restart|stop|start|status on the command line'.      }
  ' argument.'."\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 {
       print 'You need to specify one of restart|stop|start|status on the command line.'."\n";
 }  }
Removed from v.1.8  
changed lines
  Added in v.1.27

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