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Diff for /loncom/lond between versions 1.164 and 1.165

version 1.164, 2003/12/02 10:37:59 version 1.165, 2003/12/12 21:37:42
Line 513  sub catchexception { Line 513  sub catchexception {
     my ($error)=@_;      my ($error)=@_;
     $SIG{'QUIT'}='DEFAULT';      $SIG{'QUIT'}='DEFAULT';
     $SIG{__DIE__}='DEFAULT';      $SIG{__DIE__}='DEFAULT';
       &status("Catching exception");
     &logthis("<font color=red>CRITICAL: "      &logthis("<font color=red>CRITICAL: "
      ."ABNORMAL EXIT. Child $$ for server $thisserver died through "       ."ABNORMAL EXIT. Child $$ for server $thisserver died through "
      ."a crash with this error msg->[$error]</font>");       ."a crash with this error msg->[$error]</font>");
Line 523  sub catchexception { Line 524  sub catchexception {
 }  }
   
 sub timeout {  sub timeout {
       &status("Handling Timeout");
     &logthis("<font color=ref>CRITICAL: TIME OUT ".$$."</font>");      &logthis("<font color=ref>CRITICAL: TIME OUT ".$$."</font>");
     &catchexception('Timeout');      &catchexception('Timeout');
 }  }
Line 579  my $children               = 0;        # Line 581  my $children               = 0;        #
   
 sub REAPER {                        # takes care of dead children  sub REAPER {                        # takes care of dead children
     $SIG{CHLD} = \&REAPER;      $SIG{CHLD} = \&REAPER;
       &status("Handling child death");
     my $pid = wait;      my $pid = wait;
     if (defined($children{$pid})) {      if (defined($children{$pid})) {
  &logthis("Child $pid died");   &logthis("Child $pid died");
Line 587  sub REAPER {                        # ta Line 590  sub REAPER {                        # ta
     } else {      } else {
  &logthis("Unknown Child $pid died");   &logthis("Unknown Child $pid died");
     }      }
       &status("Finished Handling child death");
 }  }
   
 sub HUNTSMAN {                      # signal handler for SIGINT  sub HUNTSMAN {                      # signal handler for SIGINT
       &status("Killing children (INT)");
     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($server,2)); # free up socket      &logthis("Free socket: ".shutdown($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>");
       &status("Done killing children");
     exit;                           # clean up with dignity      exit;                           # clean up with dignity
 }  }
   
 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
       &status("Killing children for restart (HUP)");
     kill 'INT' => keys %children;      kill 'INT' => keys %children;
     &logthis("Free socket: ".shutdown($server,2)); # free up socket      &logthis("Free socket: ".shutdown($server,2)); # free up socket
     &logthis("<font color=red>CRITICAL: Restarting</font>");      &logthis("<font color=red>CRITICAL: Restarting</font>");
     my $execdir=$perlvar{'lonDaemons'};      my $execdir=$perlvar{'lonDaemons'};
     unlink("$execdir/logs/lond.pid");      unlink("$execdir/logs/lond.pid");
       &status("Restarting self (HUP)");
     exec("$execdir/lond");         # here we go again      exec("$execdir/lond");         # here we go again
 }  }
   
Line 667  sub ReloadApache { Line 675  sub ReloadApache {
 #     now be honored.  #     now be honored.
 #  #
 sub UpdateHosts {  sub UpdateHosts {
       &status("Reload hosts.tab");
     logthis('<font color="blue"> Updating connections </font>');      logthis('<font color="blue"> Updating connections </font>');
     #      #
     #  The %children hash has the set of IP's we currently have children      #  The %children hash has the set of IP's we currently have children
Line 691  sub UpdateHosts { Line 700  sub UpdateHosts {
  }   }
     }      }
     ReloadApache;      ReloadApache;
       &status("Finished reloading hosts.tab");
 }  }
   
   
 sub checkchildren {  sub checkchildren {
       &status("Checking on the children (sending signals)");
     &initnewstatus();      &initnewstatus();
     &logstatus();      &logstatus();
     &logthis('Going to check on the children');      &logthis('Going to check on the children');
Line 709  sub checkchildren { Line 720  sub checkchildren {
     sleep 5;      sleep 5;
     $SIG{ALRM} = sub { die "timeout" };      $SIG{ALRM} = sub { die "timeout" };
     $SIG{__DIE__} = 'DEFAULT';      $SIG{__DIE__} = 'DEFAULT';
       &status("Checking on the children (waiting for reports)");
     foreach (sort keys %children) {      foreach (sort keys %children) {
         unless (-e "$docdir/lon-status/londchld/$_.txt") {          unless (-e "$docdir/lon-status/londchld/$_.txt") {
           eval {            eval {
Line 726  sub checkchildren { Line 738  sub checkchildren {
     }      }
     $SIG{ALRM} = 'DEFAULT';      $SIG{ALRM} = 'DEFAULT';
     $SIG{__DIE__} = \&catchexception;      $SIG{__DIE__} = \&catchexception;
       &status("Finished checking children");
 }  }
   
 # --------------------------------------------------------------------- Logging  # --------------------------------------------------------------------- Logging
Line 768  sub Reply { Line 781  sub Reply {
 # ------------------------------------------------------------------ Log status  # ------------------------------------------------------------------ Log status
   
 sub logstatus {  sub logstatus {
       &status("Doing logging");
     my $docdir=$perlvar{'lonDocRoot'};      my $docdir=$perlvar{'lonDocRoot'};
     {      {
     my $fh=IO::File->new(">>$docdir/lon-status/londstatus.txt");      my $fh=IO::File->new(">>$docdir/lon-status/londstatus.txt");
     print $fh $$."\t".$currenthostid."\t".$status."\t".$lastlog."\n";      print $fh $$."\t".$currenthostid."\t".$status."\t".$lastlog."\n";
     $fh->close();      $fh->close();
     }      }
       &status("Finished londstatus.txt");
     {      {
  my $fh=IO::File->new(">$docdir/lon-status/londchld/$$.txt");   my $fh=IO::File->new(">$docdir/lon-status/londchld/$$.txt");
         print $fh $status."\n".$lastlog."\n".time;          print $fh $status."\n".$lastlog."\n".time;
         $fh->close();          $fh->close();
     }      }
       &status("Finished logging");
 }  }
   
 sub initnewstatus {  sub initnewstatus {
Line 966  ReadHostTable; Line 982  ReadHostTable;
 #   along the connection.  #   along the connection.
   
 while (1) {  while (1) {
       &status('Starting accept');
     $client = $server->accept() or next;      $client = $server->accept() or next;
       &status('Accepted '.$client.' off to spawn');
     make_new_child($client);      make_new_child($client);
       &status('Finished spawning');
 }  }
   
 sub make_new_child {  sub make_new_child {
Line 976  sub make_new_child { Line 995  sub make_new_child {
     my $sigset;      my $sigset;
   
     $client = shift;      $client = shift;
       &status('Starting new child '.$client);
     &logthis('<font color="green"> Attempting to start child ('.$client.      &logthis('<font color="green"> Attempting to start child ('.$client.
      ")</font>");           ")</font>");    
     # block signal for fork      # block signal for fork
Removed from v.1.164  
changed lines
  Added in v.1.165

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