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Diff for /loncom/lond between versions 1.306 and 1.308

version 1.306, 2006/01/21 08:26:52 version 1.308, 2006/01/27 23:04:27
Line 87  my $ConnectionType; Line 87  my $ConnectionType;
   
 my %hostid; # ID's for hosts in cluster by ip.  my %hostid; # ID's for hosts in cluster by ip.
 my %hostdom; # LonCAPA domain for hosts in cluster.  my %hostdom; # LonCAPA domain for hosts in cluster.
   my %hostname; # DNSname -> ID's mapping.
 my %hostip; # IPs for hosts in cluster.  my %hostip; # IPs for hosts in cluster.
 my %hostdns; # ID's of hosts looked up by DNS name.  my %hostdns; # ID's of hosts looked up by DNS name.
   
Line 1943  sub update_resource_handler { Line 1944  sub update_resource_handler {
     my $since=$now-$atime;      my $since=$now-$atime;
     if ($since>$perlvar{'lonExpire'}) {      if ($since>$perlvar{'lonExpire'}) {
  my $reply=&reply("unsub:$fname","$clientname");   my $reply=&reply("unsub:$fname","$clientname");
    &devalidate_meta_cache($fname);
  unlink("$fname");   unlink("$fname");
     } else {      } else {
  my $transname="$fname.in.transfer";   my $transname="$fname.in.transfer";
Line 1973  sub update_resource_handler { Line 1975  sub update_resource_handler {
  alarm(0);   alarm(0);
     }      }
     rename($transname,$fname);      rename($transname,$fname);
     use Cache::Memcached;      &devalidate_meta_cache($fname);
     my $memcache=  
  new Cache::Memcached({'servers'=>['127.0.0.1:11211']});  
     my $url=$fname;  
     $url=~s-^/home/httpd/html--;  
     $url=~s-\.meta$--;  
     my $id=&escape('meta:'.$url);  
     $memcache->delete($id);  
  }   }
     }      }
     &Reply( $client, "ok\n", $userinput);      &Reply( $client, "ok\n", $userinput);
Line 1994  sub update_resource_handler { Line 1989  sub update_resource_handler {
 }  }
 &register_handler("update", \&update_resource_handler, 0 ,1, 0);  &register_handler("update", \&update_resource_handler, 0 ,1, 0);
   
   sub devalidate_meta_cache {
       my ($url) = @_;
       use Cache::Memcached;
       my $memcache = new Cache::Memcached({'servers'=>['127.0.0.1:11211']});
       $url = &declutter($url);
       $url =~ s-\.meta$--;
       my $id = &escape('meta:'.$url);
       $memcache->delete($id);
   }
   
   sub declutter {
       my $thisfn=shift;
       $thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//;
       $thisfn=~s/^\///;
       $thisfn=~s|^adm/wrapper/||;
       $thisfn=~s|^adm/coursedocs/showdoc/||;
       $thisfn=~s/^res\///;
       $thisfn=~s/\?.+$//;
       return $thisfn;
   }
 #  #
 #   Fetch a user file from a remote server to the user's home directory  #   Fetch a user file from a remote server to the user's home directory
 #   userfiles subdir.  #   userfiles subdir.
Line 4701  sub ReadHostTable { Line 4716  sub ReadHostTable {
     }      }
     $hostid{$ip}=$id;         # LonCAPA name of host by IP.      $hostid{$ip}=$id;         # LonCAPA name of host by IP.
     $hostdom{$id}=$domain;    # LonCAPA domain name of host.       $hostdom{$id}=$domain;    # LonCAPA domain name of host. 
       $hostname{$id}=$name;     # LonCAPA name -> DNS name
     $hostip{$id}=$ip;         # IP address of host.      $hostip{$id}=$ip;         # IP address of host.
     $hostdns{$name} = $id;    # LonCAPA name of host by DNS.      $hostdns{$name} = $id;    # LonCAPA name of host by DNS.
   
Line 4951  sub reconlonc { Line 4967  sub reconlonc {
   
 sub subreply {  sub subreply {
     my ($cmd,$server)=@_;      my ($cmd,$server)=@_;
     my $peerfile="$perlvar{'lonSockDir'}/$server";      my $peerfile="$perlvar{'lonSockDir'}/".$hostname{$server};
     my $sclient=IO::Socket::UNIX->new(Peer    =>"$peerfile",      my $sclient=IO::Socket::UNIX->new(Peer    =>"$peerfile",
                                       Type    => SOCK_STREAM,                                        Type    => SOCK_STREAM,
                                       Timeout => 10)                                        Timeout => 10)
        or return "con_lost";         or return "con_lost";
     print $sclient "$cmd\n";      print $sclient "sethost:$server:$cmd\n";
     my $answer=<$sclient>;      my $answer=<$sclient>;
     chomp($answer);      chomp($answer);
     if (!$answer) { $answer="con_lost"; }      if (!$answer) { $answer="con_lost"; }
Line 4972  sub reply { Line 4988  sub reply {
  $answer=subreply("ping",$server);   $answer=subreply("ping",$server);
         if ($answer ne $server) {          if ($answer ne $server) {
     &logthis("sub reply: answer != server answer is $answer, server is $server");      &logthis("sub reply: answer != server answer is $answer, server is $server");
            &reconlonc("$perlvar{'lonSockDir'}/$server");             &reconlonc("$perlvar{'lonSockDir'}/".$hostname{$server});
         }          }
         $answer=subreply($cmd,$server);          $answer=subreply($cmd,$server);
     }      }
Line 5278  sub make_new_child { Line 5294  sub make_new_child {
     # no need to try to do recon's to myself      # no need to try to do recon's to myself
     next;      next;
  }   }
  &reconlonc("$perlvar{'lonSockDir'}/$id");   &reconlonc("$perlvar{'lonSockDir'}/".$hostname{$id});
     }      }
     &logthis("<font color='green'>Established connection: $clientname</font>");      &logthis("<font color='green'>Established connection: $clientname</font>");
     &status('Will listen to '.$clientname);      &status('Will listen to '.$clientname);
Removed from v.1.306  
changed lines
  Added in v.1.308

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