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Diff for /loncom/lond between versions 1.429 and 1.438

version 1.429, 2009/10/19 23:16:36 version 1.438, 2010/03/15 05:09:59
Line 67  my $currentdomainid; Line 67  my $currentdomainid;
 my $client;  my $client;
 my $clientip; # IP address of client.  my $clientip; # IP address of client.
 my $clientname; # LonCAPA name of client.  my $clientname; # LonCAPA name of client.
   my $clientversion;              # LonCAPA version running on client
   
 my $server;  my $server;
   
Line 2061  sub is_home_handler { Line 2062  sub is_home_handler {
 &register_handler("home", \&is_home_handler, 0,1,0);  &register_handler("home", \&is_home_handler, 0,1,0);
   
 #  #
 #   Process an update request for a resource?? I think what's going on here is  #   Process an update request for a resource.
 #   that a resource has been modified that we hold a subscription to.  #   A resource has been modified that we hold a subscription to.
 #   If the resource is not local, then we must update, or at least invalidate our  #   If the resource is not local, then we must update, or at least invalidate our
 #   cached copy of the resource.   #   cached copy of the resource. 
 #   FUTURE WORK:  
 #      I need to look at this logic carefully.  My druthers would be to follow  
 #      typical caching logic, and simple invalidate the cache, drop any subscription  
 #      an let the next fetch start the ball rolling again... however that may  
 #      actually be more difficult than it looks given the complex web of  
 #      proxy servers.  
 # Parameters:  # Parameters:
 #    $cmd      - The command that got us here.  #    $cmd      - The command that got us here.
 #    $tail     - Tail of the command (remaining parameters).  #    $tail     - Tail of the command (remaining parameters).
Line 2094  sub update_resource_handler { Line 2089  sub update_resource_handler {
     my $ownership=ishome($fname);      my $ownership=ishome($fname);
     if ($ownership eq 'not_owner') {      if ($ownership eq 'not_owner') {
  if (-e $fname) {   if (-e $fname) {
               # Delete preview file, if exists
               unlink("$fname.tmp");
               # Get usage stats
     my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,      my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
  $atime,$mtime,$ctime,$blksize,$blocks)=stat($fname);   $atime,$mtime,$ctime,$blksize,$blocks)=stat($fname);
     my $now=time;      my $now=time;
     my $since=$now-$atime;      my $since=$now-$atime;
               # If the file has not been used within lonExpire seconds,
               # unsubscribe from it and delete local copy
     if ($since>$perlvar{'lonExpire'}) {      if ($since>$perlvar{'lonExpire'}) {
  my $reply=&Apache::lonnet::reply("unsub:$fname","$clientname");   my $reply=&Apache::lonnet::reply("unsub:$fname","$clientname");
  &devalidate_meta_cache($fname);   &devalidate_meta_cache($fname);
  unlink("$fname");   unlink("$fname");
  unlink("$fname.meta");   unlink("$fname.meta");
     } else {      } else {
               # Yes, this is in active use. Get a fresh copy. Since it might be in
               # very active use and huge (like a movie), copy it to "in.transfer" filename first.
  my $transname="$fname.in.transfer";   my $transname="$fname.in.transfer";
  my $remoteurl=&Apache::lonnet::reply("sub:$fname","$clientname");   my $remoteurl=&Apache::lonnet::reply("sub:$fname","$clientname");
  my $response;   my $response;
Line 2131  sub update_resource_handler { Line 2133  sub update_resource_handler {
  }   }
  alarm(0);   alarm(0);
     }      }
                       # we successfully transfered, copy file over to real name
     rename($transname,$fname);      rename($transname,$fname);
     &devalidate_meta_cache($fname);      &devalidate_meta_cache($fname);
  }   }
Line 3121  sub dump_with_regexp { Line 3124  sub dump_with_regexp {
         my $qresult='';          my $qresult='';
  my $count=0;   my $count=0;
  while (my ($key,$value) = each(%$hashref)) {   while (my ($key,$value) = each(%$hashref)) {
               if ($namespace eq 'roles') {
                   if ($key =~ /^($LONCAPA::match_domain)_($LONCAPA::match_community)_(cc|co|in|ta|ep|ad|st|cr)/) {
                       if ($clientversion =~ /^(\d+)\.(\d+)$/) {
                           my $major = $1;
                           my $minor = $2;
                           next if (($major < 2) || (($major == 2) && ($minor < 9)));
                       }
                   }
               }
     if ($regexp eq '.') {      if ($regexp eq '.') {
  $count++;   $count++;
  if (defined($range) && $count >= $end)   { last; }   if (defined($range) && $count >= $end)   { last; }
Line 3784  sub dump_course_id_handler { Line 3796  sub dump_course_id_handler {
             $cc_clone{$clonedom.'_'.$clonenum} = 1;              $cc_clone{$clonedom.'_'.$clonenum} = 1;
         }           } 
     }      }
     if (defined($createdbefore)) {      if ($createdbefore ne '') {
         $createdbefore = &unescape($createdbefore);          $createdbefore = &unescape($createdbefore);
     } else {      } else {
        $createdbefore = 0;         $createdbefore = 0;
     }      }
     if (defined($createdafter)) {      if ($createdafter ne '') {
         $createdafter = &unescape($createdafter);          $createdafter = &unescape($createdafter);
     } else {      } else {
         $createdafter = 0;          $createdafter = 0;
     }      }
     if (defined($creationcontext)) {      if ($creationcontext ne '') {
         $creationcontext = &unescape($creationcontext);          $creationcontext = &unescape($creationcontext);
     } else {      } else {
         $creationcontext = '.';          $creationcontext = '.';
Line 3827  sub dump_course_id_handler { Line 3839  sub dump_course_id_handler {
             my $items = &Apache::lonnet::thaw_unescape($value);              my $items = &Apache::lonnet::thaw_unescape($value);
             if (ref($items) eq 'HASH') {              if (ref($items) eq 'HASH') {
                 if ($hashref->{$lasttime_key} eq '') {                  if ($hashref->{$lasttime_key} eq '') {
                     next if ($since > 0);                      next if ($since > 1);
                 }                  }
                 $is_hash =  1;                  $is_hash =  1;
                 if (defined($clonerudom)) {                  if (defined($clonerudom)) {
Line 3858  sub dump_course_id_handler { Line 3870  sub dump_course_id_handler {
                             $items->{'cloners'} = $cloneruname.':'.$clonerudom;                              $items->{'cloners'} = $cloneruname.':'.$clonerudom;
                             $valchange = 1;                              $valchange = 1;
                         }                          }
                           unless ($canclone) {
                               if ($items->{'owner'} =~ /:/) {
                                   if ($items->{'owner'} eq $cloner) {
                                       $canclone = 1;
                                   }
                               } elsif ($cloner eq $udom.':'.$items->{'owner'}) {
                                   $canclone = 1;
                               }
                               if ($canclone) {
                                   $items->{'cloners'} = $cloneruname.':'.$clonerudom;
                                   $valchange = 1;
                               }
                           }
                     }                      }
                 }                  }
                 if ($unpack || !$rtn_as_hash) {                  if ($unpack || !$rtn_as_hash) {
Line 4058  sub dump_course_id_handler { Line 4083  sub dump_course_id_handler {
 }  }
 &register_handler("courseiddump", \&dump_course_id_handler, 0, 1, 0);  &register_handler("courseiddump", \&dump_course_id_handler, 0, 1, 0);
   
   sub course_lastaccess_handler {
       my ($cmd, $tail, $client) = @_;
       my $userinput = "$cmd:$tail";
       my ($cdom,$cnum) = split(':',$tail); 
       my (%lastaccess,$qresult);
       my $hashref = &tie_domain_hash($cdom, "nohist_courseids", &GDBM_WRCREAT());
       if ($hashref) {
           while (my ($key,$value) = each(%$hashref)) {
               my ($unesc_key,$lasttime);
               $unesc_key = &unescape($key);
               if ($cnum) {
                   next unless ($unesc_key =~ /\Q$cdom\E_\Q$cnum\E$/);
               }
               if ($unesc_key =~ /^lasttime:($LONCAPA::match_domain\_$LONCAPA::match_courseid)/) {
                   $lastaccess{$1} = $value;
               } else {
                   my $items = &Apache::lonnet::thaw_unescape($value);
                   if (ref($items) eq 'HASH') {
                       unless ($lastaccess{$unesc_key}) {
                           $lastaccess{$unesc_key} = '';
                       }
                   } else {
                       my @courseitems = split(':',$value);
                       $lastaccess{$unesc_key} = pop(@courseitems);
                   }
               }
           }
           foreach my $cid (sort(keys(%lastaccess))) {
               $qresult.=&escape($cid).'='.$lastaccess{$cid}.'&'; 
           }
           if (&untie_domain_hash($hashref)) {
               if ($qresult) {
                   chop($qresult);
               }
               &Reply($client, \$qresult, $userinput);
           } else {
               &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
                       "while attempting lastacourseaccess\n", $userinput);
           }
       } else {
           &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".
                   "while attempting lastcourseaccess\n", $userinput);
       }
       return 1;
   }
   &register_handler("courselastaccess",\&course_lastaccess_handler, 0, 1, 0);
   
 #  #
 # Puts an unencrypted entry in a namespace db file at the domain level   # Puts an unencrypted entry in a namespace db file at the domain level 
 #  #
Line 6263  sub make_new_child { Line 6335  sub make_new_child {
  &ReadManagerTable();   &ReadManagerTable();
  my $clientrec=defined(&Apache::lonnet::get_hosts_from_ip($outsideip));   my $clientrec=defined(&Apache::lonnet::get_hosts_from_ip($outsideip));
  my $ismanager=($managers{$outsideip}    ne undef);   my $ismanager=($managers{$outsideip}    ne undef);
  $clientname  = "[unknonwn]";   $clientname  = "[unknown]";
  if($clientrec) { # Establish client type.   if($clientrec) { # Establish client type.
     $ConnectionType = "client";      $ConnectionType = "client";
     $clientname = (&Apache::lonnet::get_hosts_from_ip($outsideip))[-1];      $clientname = (&Apache::lonnet::get_hosts_from_ip($outsideip))[-1];
Line 6291  sub make_new_child { Line 6363  sub make_new_child {
  #   #
  #  If the remote is attempting a local init... give that a try:   #  If the remote is attempting a local init... give that a try:
  #   #
  my ($i, $inittype) = split(/:/, $remotereq);   (my $i, my $inittype, $clientversion) = split(/:/, $remotereq);
   
  # If the connection type is ssl, but I didn't get my   # If the connection type is ssl, but I didn't get my
  # certificate files yet, then I'll drop  back to    # certificate files yet, then I'll drop  back to 
Line 6311  sub make_new_child { Line 6383  sub make_new_child {
  }   }
   
  if($inittype eq "local") {   if($inittype eq "local") {
                       $clientversion = $perlvar{'lonVersion'};
     my $key = LocalConnection($client, $remotereq);      my $key = LocalConnection($client, $remotereq);
     if($key) {      if($key) {
  Debug("Got local key $key");   Debug("Got local key $key");
Line 6540  sub rewrite_password_file { Line 6613  sub rewrite_password_file {
   
 #     Returns the authorization type or nouser if there is no such user.  #     Returns the authorization type or nouser if there is no such user.
 #  #
 sub get_auth_type   sub get_auth_type {
 {  
   
     my ($domain, $user)  = @_;      my ($domain, $user)  = @_;
   
     Debug("get_auth_type( $domain, $user ) \n");      Debug("get_auth_type( $domain, $user ) \n");
Removed from v.1.429  
changed lines
  Added in v.1.438

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