--- loncom/lonnet/perl/lonnet.pm 2004/11/10 19:03:04 1.567
+++ loncom/lonnet/perl/lonnet.pm 2005/02/14 04:29:43 1.587.2.3.2.11
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.567 2004/11/10 19:03:04 raeburn Exp $
+# $Id: lonnet.pm,v 1.587.2.3.2.11 2005/02/14 04:29:43 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -35,11 +35,11 @@ use HTTP::Headers;
use HTTP::Date;
# use Date::Parse;
use vars
-qw(%perlvar %hostname %homecache %badServerCache %hostip %iphost %spareid %hostdom
- %libserv %pr %prp %metacache %packagetab %titlecache %courseresversioncache %resversioncache
+qw(%perlvar %hostname %badServerCache %hostip %iphost %spareid %hostdom
+ %libserv %pr %prp $memcache %packagetab
%courselogs %accesshash %userrolehash $processmarker $dumpcount
- %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseresdatacache
- %userresdatacache %getsectioncache %domaindescription %domain_auth_def %domain_auth_arg_def
+ %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseownerbuf
+ %domaindescription %domain_auth_def %domain_auth_arg_def
%domain_lang_def %domain_city %domain_longi %domain_lati $tmpdir $_64bit);
use IO::Socket;
@@ -50,6 +50,7 @@ use Fcntl qw(:flock);
use Apache::lonlocal;
use Storable qw(lock_store lock_nstore lock_retrieve freeze thaw nfreeze);
use Time::HiRes qw( gettimeofday tv_interval );
+use Cache::Memcached;
my $readit;
my $max_connection_retries = 10; # Or some such value.
@@ -157,22 +158,6 @@ sub reply {
my ($cmd,$server)=@_;
unless (defined($hostname{$server})) { return 'no_such_host'; }
my $answer=subreply($cmd,$server);
- if ($answer eq 'con_lost') {
- #sleep 5;
- #$answer=subreply($cmd,$server);
- #if ($answer eq 'con_lost') {
- # &logthis("Second attempt con_lost on $server");
- # my $peerfile="$perlvar{'lonSockDir'}/$server";
- # my $client=IO::Socket::UNIX->new(Peer =>"$peerfile",
- # Type => SOCK_STREAM,
- # Timeout => 10)
- # or return "con_lost";
- # &logthis("Killing socket");
- # print $client "close_connection_exit\n";
- #sleep 5;
- # $answer=subreply($cmd,$server);
- #}
- }
if (($answer=~/^refused/) || ($answer=~/^rejected/)) {
&logthis("WARNING:".
" $cmd to $server returned $answer");
@@ -220,11 +205,8 @@ sub critical {
}
my $answer=reply($cmd,$server);
if ($answer eq 'con_lost') {
- my $pingreply=reply('ping',$server);
&reconlonc("$perlvar{'lonSockDir'}/$server");
- my $pongreply=reply('pong',$server);
- &logthis("Ping/Pong for $server: $pingreply/$pongreply");
- $answer=reply($cmd,$server);
+ my $answer=reply($cmd,$server);
if ($answer eq 'con_lost') {
my $now=time;
my $middlename=$cmd;
@@ -581,7 +563,7 @@ sub homeserver {
my ($uname,$udom,$ignoreBadCache)=@_;
my $index="$uname:$udom";
- my ($result,$cached)=&is_cached(\%homecache,$index,'home',86400);
+ my ($result,$cached)=&is_cached_new('home',$index);
if (defined($cached)) { return $result; }
my $tryserver;
foreach $tryserver (keys %libserv) {
@@ -590,7 +572,7 @@ sub homeserver {
if ($hostdom{$tryserver} eq $udom) {
my $answer=reply("home:$udom:$uname",$tryserver);
if ($answer eq 'found') {
- return &do_cache(\%homecache,$index,$tryserver,'home');
+ return &do_cache_new('home',$index,$tryserver,86400);
} elsif ($answer eq 'no_host') {
$badServerCache{$tryserver}=1;
}
@@ -795,11 +777,12 @@ sub validate_access_key {
sub getsection {
my ($udom,$unam,$courseid)=@_;
+ my $cachetime=1800;
$courseid=~s/\_/\//g;
$courseid=~s/^(\w)/\/$1/;
my $hashid="$udom:$unam:$courseid";
- my ($result,$cached)=&is_cached(\%getsectioncache,$hashid,'getsection');
+ my ($result,$cached)=&is_cached_new('getsection',$hashid,1);
if (defined($cached)) { return $result; }
my %Pending;
@@ -834,21 +817,21 @@ sub getsection {
$Pending{$start}=$section;
next;
}
- return &do_cache(\%getsectioncache,$hashid,$section,'getsection');
+ return &do_cache_new('getsection',$hashid,$section,$cachetime);
}
#
# Presumedly there will be few matching roles from the above
# loop and the sorting time will be negligible.
if (scalar(keys(%Pending))) {
my ($time) = sort {$a <=> $b} keys(%Pending);
- return &do_cache(\%getsectioncache,$hashid,$Pending{$time},'getsection');
+ return &do_cache_new('getsection',$hashid,$Pending{$time},$cachetime);
}
if (scalar(keys(%Expired))) {
my @sorted = sort {$a <=> $b} keys(%Expired);
my $time = pop(@sorted);
- return &do_cache(\%getsectioncache,$hashid,$Expired{$time},'getsection');
+ return &do_cache_new('getsection',$hashid,$Expired{$time},$cachetime);
}
- return &do_cache(\%getsectioncache,$hashid,'-1','getsection');
+ return &do_cache_new('getsection',$hashid,'-1',$cachetime);
}
@@ -942,6 +925,7 @@ sub save_cache_item {
}
sub save_cache {
+ &purge_remembered();
if ($disk_caching_disabled) { return; }
my ($cache,$name,$id);
foreach $name (keys(%do_save)) {
@@ -1039,6 +1023,81 @@ EVALBLOCK
# &logthis("load_cache_item $name took ".(&Time::HiRes::time()-$starttime));
}
+my $to_remember=10;
+my %remembered;
+my %accessed;
+my $kicks=0;
+my $hits=0;
+sub devalidate_cache_new {
+ my ($name,$id,$debug) = @_;
+ if ($debug) { &Apache::lonnet::logthis("deleting $name:$id"); }
+ $id=&escape($name.':'.$id);
+ $memcache->delete($id);
+ delete($remembered{$id});
+ delete($accessed{$id});
+}
+
+sub is_cached_new {
+ my ($name,$id,$debug) = @_;
+ $id=&escape($name.':'.$id);
+ if (exists($remembered{$id})) {
+ if ($debug) { &Apache::lonnet::logthis("Earyl return $id of $remembered{$id} "); }
+ $accessed{$id}=[&gettimeofday()];
+ $hits++;
+ return ($remembered{$id},1);
+ }
+ my $value = $memcache->get($id);
+ if (!(defined($value))) {
+ if ($debug) { &Apache::lonnet::logthis("getting $id is not defined"); }
+ return (undef,undef);
+ }
+ &make_room($id,$value,$debug);
+ if ($value eq '__undef__') {
+ if ($debug) { &Apache::lonnet::logthis("getting $id is __undef__"); }
+ return (undef,1);
+ }
+ if ($debug) { &Apache::lonnet::logthis("getting $id is $value"); }
+ return ($value,1);
+}
+
+sub do_cache_new {
+ my ($name,$id,$value,$time,$debug) = @_;
+ $id=&escape($name.':'.$id);
+ my $setvalue=$value;
+ if (!defined($setvalue)) {
+ $setvalue='__undef__';
+ }
+ if ($debug) { &Apache::lonnet::logthis("Setting $id to $value"); }
+ $memcache->set($id,$setvalue,300);
+ &make_room($id,$value,$debug);
+ return $value;
+}
+
+sub make_room {
+ my ($id,$value,$debug)=@_;
+ $remembered{$id}=$value;
+ $accessed{$id}=[&gettimeofday()];
+ if (scalar(keys(%remembered)) <= $to_remember) { return; }
+ my $to_kick;
+ my $max_time=0;
+ foreach my $other (keys(%accessed)) {
+ if (&tv_interval($accessed{$other}) > $max_time) {
+ $to_kick=$other;
+ $max_time=&tv_interval($accessed{$other});
+ }
+ }
+ delete($remembered{$to_kick});
+ delete($accessed{$to_kick});
+ $kicks++;
+ if ($debug) { &logthis("kicking $max_time $kicks\n"); }
+ return;
+}
+
+sub purge_remembered {
+ &logthis("Tossing ".scalar(keys(%remembered)));
+ undef(%remembered);
+ undef(%accessed);
+}
# ------------------------------------- Read an entry from a user's environment
sub userenvironment {
@@ -1076,7 +1135,7 @@ sub getversion {
sub currentversion {
my $fname=shift;
- my ($result,$cached)=&is_cached(\%resversioncache,$fname,'resversion',600);
+ my ($result,$cached)=&is_cached_new('resversion',$fname);
if (defined($cached)) { return $result; }
my $author=$fname;
$author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
@@ -1089,7 +1148,7 @@ sub currentversion {
if (($answer eq 'con_lost') || ($answer eq 'rejected')) {
return -1;
}
- return &do_cache(\%resversioncache,$fname,$answer,'resversion');
+ return &do_cache_new('resversion',$fname,$answer,600);
}
# ----------------------------- Subscribe to a resource, return URL if possible
@@ -1406,13 +1465,13 @@ sub finishuserfileupload {
}
# Save the file
{
- #&Apache::lonnet::logthis("Saving to $filepath $file");
- open(my $fh,'>'.$filepath.'/'.$file);
- print $fh $ENV{'form.'.$formname};
- close($fh);
+ open(FH,'>'.$filepath.'/'.$file);
+ print FH $ENV{'form.'.$formname};
+ close(FH);
}
# Notify homeserver to grep it
#
+ &Apache::lonnet::logthis("fetching ".$path.$file);
my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome);
if ($fetchresult eq 'ok') {
#
@@ -1490,12 +1549,12 @@ sub flushcourselogs {
if ($courseidbuffer{$coursehombuf{$crsid}}) {
$courseidbuffer{$coursehombuf{$crsid}}.='&'.
&escape($crsid).'='.&escape($coursedescrbuf{$crsid}).
- '='.&escape($courseinstcodebuf{$crsid});
+ ':'.&escape($courseinstcodebuf{$crsid}).':'.&escape($courseownerbuf{$crsid});
} else {
$courseidbuffer{$coursehombuf{$crsid}}=
&escape($crsid).'='.&escape($coursedescrbuf{$crsid}).
- '='.&escape($courseinstcodebuf{$crsid});
- }
+ ':'.&escape($courseinstcodebuf{$crsid}).':'.&escape($courseownerbuf{$crsid});
+ }
}
#
# Write course id database (reverse lookup) to homeserver of courses
@@ -1570,6 +1629,8 @@ sub courselog {
$ENV{'course.'.$ENV{'request.course.id'}.'.description'};
$courseinstcodebuf{$ENV{'request.course.id'}}=
$ENV{'course.'.$ENV{'request.course.id'}.'.internal.coursecode'};
+ $courseownerbuf{$ENV{'request.course.id'}}=
+ $ENV{'course.'.$ENV{'request.course.id'}.'.internal.courseowner'};
if (defined $courselogs{$ENV{'request.course.id'}}) {
$courselogs{$ENV{'request.course.id'}}.='&'.$what;
} else {
@@ -1586,11 +1647,23 @@ sub courseacclog {
my $what=$fnsymb.':'.$ENV{'user.name'}.':'.$ENV{'user.domain'};
if ($fnsymb=~/(problem|exam|quiz|assess|survey|form|page)$/) {
$what.=':POST';
+ # FIXME: Probably ought to escape things....
foreach (keys %ENV) {
if ($_=~/^form\.(.*)/) {
$what.=':'.$1.'='.$ENV{$_};
}
}
+ } elsif ($fnsymb =~ m:^/adm/searchcat:) {
+ # FIXME: We should not be depending on a form parameter that someone
+ # editing lonsearchcat.pm might change in the future.
+ if ($ENV{'form.phase'} eq 'course_search') {
+ $what.= ':POST';
+ # FIXME: Probably ought to escape things....
+ foreach my $element ('courseexp','crsfulltext','crsrelated',
+ 'crsdiscuss') {
+ $what.=':'.$element.'='.$ENV{'form.'.$element};
+ }
+ }
}
&courselog($what);
}
@@ -1642,6 +1715,7 @@ sub get_course_adv_roles {
if (($tend) && ($tend<$now)) { next; }
if (($tstart) && ($now<$tstart)) { next; }
my ($role,$username,$domain,$section)=split(/\:/,$_);
+ if ($username eq '' || $domain eq '') { next; }
if ((&privileged($username,$domain)) &&
(!$nothide{$username.':'.$domain})) { next; }
my $key=&plaintext($role);
@@ -1713,7 +1787,7 @@ sub courseidput {
}
sub courseiddump {
- my ($domfilter,$descfilter,$sincefilter,$hostidflag,$hostidref)=@_;
+ my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,$hostidflag,$hostidref)=@_;
my %returnhash=();
unless ($domfilter) { $domfilter=''; }
foreach my $tryserver (keys %libserv) {
@@ -1721,7 +1795,8 @@ sub courseiddump {
if ((!$domfilter) || ($hostdom{$tryserver} eq $domfilter)) {
foreach (
split(/\&/,&reply('courseiddump:'.$hostdom{$tryserver}.':'.
- $sincefilter.':'.&escape($descfilter),
+ $sincefilter.':'.&escape($descfilter).':'.
+ &escape($instcodefilter).':'.&escape($ownerfilter),
$tryserver))) {
my ($key,$value)=split(/\=/,$_);
if (($key) && ($value)) {
@@ -2360,7 +2435,7 @@ sub privileged {
my $now=time;
if ($rolesdump ne '') {
foreach (split(/&/,$rolesdump)) {
- if ($_!~/^rolesdef\&/) {
+ if ($_!~/^rolesdef_/) {
my ($area,$role)=split(/=/,$_);
$area=~s/\_\w\w$//;
my ($trole,$tend,$tstart)=split(/_/,$role);
@@ -2392,11 +2467,18 @@ sub rolesinit {
if ($rolesdump ne '') {
foreach (split(/&/,$rolesdump)) {
- if ($_!~/^rolesdef\&/) {
+ if ($_!~/^rolesdef_/) {
my ($area,$role)=split(/=/,$_);
- $area=~s/\_\w\w$//;
- my ($trole,$tend,$tstart)=split(/_/,$role);
- $userroles.=&set_arearole($trole,$area,$tstart,$tend);
+ $area=~s/\_\w\w$//;
+
+ my ($trole,$tend,$tstart);
+ if ($role=~/^cr/) {
+ ($trole,my $trest)=($role=~m|^(cr/\w+/\w+/[a-zA-Z0-9]+)_(.*)$|);
+ ($tend,$tstart)=split('_',$trest);
+ } else {
+ ($trole,$tend,$tstart)=split(/_/,$role);
+ }
+ $userroles.=&set_arearole($trole,$area,$tstart,$tend,$domain,$username);
if (($tend!=0) && ($tend<$now)) { $trole=''; }
if (($tstart!=0) && ($tstart>$now)) { $trole=''; }
if (($area ne '') && ($trole ne '')) {
@@ -2773,7 +2855,7 @@ sub customaccess {
# ------------------------------------------------- Check for a user privilege
sub allowed {
- my ($priv,$uri)=@_;
+ my ($priv,$uri,$symb)=@_;
$uri=&deversion($uri);
my $orguri=$uri;
$uri=&declutter($uri);
@@ -3054,7 +3136,7 @@ sub allowed {
if ($thisallowed=~/X/) {
if ($ENV{'acc.randomout'}) {
- my $symb=&symbread($uri,1);
+ if (!$symb) { $symb=&symbread($uri,1); }
if (($symb) && ($ENV{'acc.randomout'}=~/\&\Q$symb\E\&/)) {
return '';
}
@@ -3356,11 +3438,18 @@ sub auto_instcode_format {
my $courses = '';
my $homeserver;
if ($caller eq 'global') {
- $homeserver = $perlvar{'lonHostID'};
+ foreach my $tryserver (keys %libserv) {
+ if ($hostdom{$tryserver} eq $codedom) {
+ $homeserver = $tryserver;
+ last;
+ }
+ }
+ if (($ENV{'user.name'}) && ($ENV{'user.domain'} eq $codedom)) {
+ $homeserver = &homeserver($ENV{'user.name'},$codedom);
+ }
} else {
$homeserver = &homeserver($caller,$codedom);
}
- my $host=$hostname{$homeserver};
foreach (keys %{$instcodes}) {
$courses .= &escape($_).'='.&escape($$instcodes{$_}).'&';
}
@@ -3687,7 +3776,7 @@ sub writecoursepref {
# ---------------------------------------------------------- Make/modify course
sub createcourse {
- my ($udom,$description,$url,$course_server,$nonstandard,$inst_code)=@_;
+ my ($udom,$description,$url,$course_server,$nonstandard,$inst_code,$course_owner)=@_;
$url=&declutter($url);
my $cid='';
unless (&allowed('ccc',$udom)) {
@@ -3722,7 +3811,7 @@ sub createcourse {
# ----------------------------------------------------------------- Course made
# log existence
&courseidput($udom,&escape($udom.'_'.$uname).'='.&escape($description).
- '='.&escape($inst_code),$uhome);
+ ':'.&escape($inst_code).':'.&escape($course_owner),$uhome);
&flushcourselogs();
# set toplevel url
my $topurl=$url;
@@ -3809,6 +3898,75 @@ sub mark_as_readonly {
return;
}
+# ------------------------------------------------------------Save Selected Files
+
+sub save_selected_files {
+ my ($user, $path, @files) = @_;
+ my $filename = $user."savedfiles";
+ my @other_files = &files_not_in_path($user, $path);
+ open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename);
+ foreach my $file (@files) {
+ print (OUT $ENV{'form.currentpath'}.$file."\n");
+ }
+ foreach my $file (@other_files) {
+ print (OUT $file."\n");
+ }
+ close (OUT);
+ return 'ok';
+}
+
+sub clear_selected_files {
+ my ($user) = @_;
+ my $filename = $user."savedfiles";
+ open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename);
+ print (OUT undef);
+ close (OUT);
+ return ("ok");
+}
+
+sub files_in_path {
+ my ($user, $path) = @_;
+ my $filename = $user."savedfiles";
+ my %return_files;
+ open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename);
+ while (my $line_in = ) {
+ chomp ($line_in);
+ my @paths_and_file = split (m!/!, $line_in);
+ my $file_part = pop (@paths_and_file);
+ my $path_part = join ('/', @paths_and_file);
+ $path_part.='/';
+ my $path_and_file = $path_part.$file_part;
+ if ($path_part eq $path) {
+ $return_files{$file_part}= 'selected';
+ }
+ }
+ close (IN);
+ return (\%return_files);
+}
+
+# called in portfolio select mode, to show files selected NOT in current directory
+sub files_not_in_path {
+ my ($user, $path) = @_;
+ my $filename = $user."savedfiles";
+ my @return_files;
+ my $path_part;
+ open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename);
+ while () {
+ #ok, I know it's clunky, but I want it to work
+ my @paths_and_file = split m!/!, $_;
+ my $file_part = pop (@paths_and_file);
+ chomp ($file_part);
+ my $path_part = join ('/', @paths_and_file);
+ $path_part .= '/';
+ my $path_and_file = $path_part.$file_part;
+ if ($path_part ne $path) {
+ push (@return_files, ($path_and_file));
+ }
+ }
+ close (OUT);
+ return (@return_files);
+}
+
#--------------------------------------------------------------Get Marked as Read Only
sub get_marked_as_readonly {
@@ -3828,7 +3986,25 @@ sub get_marked_as_readonly {
}
return @readonly_files;
}
+#-----------------------------------------------------------Get Marked as Read Only Hash
+sub get_marked_as_readonly_hash {
+ my ($domain,$user,$what) = @_;
+ my %current_permissions = &Apache::lonnet::dump('file_permissions',$domain,$user);
+ my %readonly_files;
+ while (my ($file_name,$value) = each(%current_permissions)) {
+ if (ref($value) eq "ARRAY"){
+ foreach my $stored_what (@{$value}) {
+ if ($stored_what eq $what) {
+ $readonly_files{$file_name} = 'locked';
+ } elsif (!defined($what)) {
+ $readonly_files{$file_name} = 'locked';
+ }
+ }
+ }
+ }
+ return %readonly_files;
+}
# ------------------------------------------------------------ Unmark as Read Only
sub unmark_as_readonly {
@@ -4024,7 +4200,7 @@ sub condval {
sub devalidatecourseresdata {
my ($coursenum,$coursedomain)=@_;
my $hashid=$coursenum.':'.$coursedomain;
- &devalidate_cache(\%courseresdatacache,$hashid,'courseres');
+ &devalidate_cache_new('courseres',$hashid);
}
# --------------------------------------------------- Course Resourcedata Query
@@ -4033,18 +4209,18 @@ sub courseresdata {
my ($coursenum,$coursedomain,@which)=@_;
my $coursehom=&homeserver($coursenum,$coursedomain);
my $hashid=$coursenum.':'.$coursedomain;
- my ($result,$cached)=&is_cached(\%courseresdatacache,$hashid,'courseres');
+ my ($result,$cached)=&is_cached_new('courseres',$hashid);
unless (defined($cached)) {
my %dumpreply=&dump('resourcedata',$coursedomain,$coursenum);
$result=\%dumpreply;
my ($tmp) = keys(%dumpreply);
if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
- &do_cache(\%courseresdatacache,$hashid,$result,'courseres');
+ &do_cache_new('courseres',$hashid,$result,600);
} elsif ($tmp =~ /^(con_lost|no_such_host)/) {
return $tmp;
} elsif ($tmp =~ /^(error)/) {
$result=undef;
- &do_cache(\%courseresdatacache,$hashid,$result,'courseres');
+ &do_cache_new('courseres',$hashid,$result,600);
}
}
foreach my $item (@which) {
@@ -4233,12 +4409,11 @@ sub EXT {
#most student don\'t have any data set, check if there is some data
if (! &EXT_cache_status($udom,$uname)) {
my $hashid="$udom:$uname";
- my ($result,$cached)=&is_cached(\%userresdatacache,$hashid,
- 'userres');
+ my ($result,$cached)=&is_cached_new('userres',$hashid);
if (!defined($cached)) {
my %resourcedata=&dump('resourcedata',$udom,$uname);
$result=\%resourcedata;
- &do_cache(\%userresdatacache,$hashid,$result,'userres');
+ &do_cache_new('userres',$hashid,$result);
}
my ($tmp)=keys(%$result);
if (($tmp!~/^error\:/) && ($tmp!~/^con_lost/)) {
@@ -4340,6 +4515,7 @@ sub packages_tab_default {
if (defined($packagetab{"$pack_type&$name&default"})) {
return $packagetab{"$pack_type&$name&default"};
}
+ if ($pack_type eq 'part') { $pack_part='0'; }
if (defined($packagetab{$pack_type."_".$pack_part."&$name&default"})) {
return $packagetab{$pack_type."_".$pack_part."&$name&default"};
}
@@ -4365,6 +4541,7 @@ sub add_prefix_and_part {
# ---------------------------------------------------------------- Get metadata
+my %metaentry;
sub metadata {
my ($uri,$what,$liburi,$prefix,$depthcount)=@_;
$uri=&declutter($uri);
@@ -4384,28 +4561,29 @@ sub metadata {
# Everything is cached by the main uri, libraries are never directly cached
#
if (!defined($liburi)) {
- my ($result,$cached)=&is_cached(\%metacache,$uri,'meta');
+ my ($result,$cached)=&is_cached_new('meta',$uri);
if (defined($cached)) { return $result->{':'.$what}; }
}
{
#
# Is this a recursive call for a library?
#
- if (! exists($metacache{$uri})) {
- $metacache{$uri}={};
- }
+# if (! exists($metacache{$uri})) {
+# $metacache{$uri}={};
+# }
if ($liburi) {
$liburi=&declutter($liburi);
$filename=$liburi;
} else {
- &devalidate_cache(\%metacache,$uri,'meta');
+ &devalidate_cache_new('meta',$uri);
+ undef(%metaentry);
}
my %metathesekeys=();
unless ($filename=~/\.meta$/) { $filename.='.meta'; }
my $metastring;
if ($uri !~ m|^uploaded/|) {
my $file=&filelocation('',&clutter($filename));
- push(@{$metacache{$uri.'.file'}},$file);
+ #push(@{$metaentry{$uri.'.file'}},$file);
$metastring=&getfile($file);
}
my $parser=HTML::LCParser->new(\$metastring);
@@ -4422,10 +4600,10 @@ sub metadata {
if (defined($token->[2]->{'id'})) {
$keyroot.='_'.$token->[2]->{'id'};
}
- if ($metacache{$uri}->{':packages'}) {
- $metacache{$uri}->{':packages'}.=','.$package.$keyroot;
+ if ($metaentry{':packages'}) {
+ $metaentry{':packages'}.=','.$package.$keyroot;
} else {
- $metacache{$uri}->{':packages'}=$package.$keyroot;
+ $metaentry{':packages'}=$package.$keyroot;
}
foreach (keys %packagetab) {
my $part=$keyroot;
@@ -4447,14 +4625,14 @@ sub metadata {
if ($subp eq 'display') {
$value.=' [Part: '.$part.']';
}
- $metacache{$uri}->{':'.$unikey.'.part'}=$part;
+ $metaentry{':'.$unikey.'.part'}=$part;
$metathesekeys{$unikey}=1;
- unless (defined($metacache{$uri}->{':'.$unikey.'.'.$subp})) {
- $metacache{$uri}->{':'.$unikey.'.'.$subp}=$value;
+ unless (defined($metaentry{':'.$unikey.'.'.$subp})) {
+ $metaentry{':'.$unikey.'.'.$subp}=$value;
}
- if (defined($metacache{$uri}->{':'.$unikey.'.default'})) {
- $metacache{$uri}->{':'.$unikey}=
- $metacache{$uri}->{':'.$unikey.'.default'};
+ if (defined($metaentry{':'.$unikey.'.default'})) {
+ $metaentry{':'.$unikey}=
+ $metaentry{':'.$unikey.'.default'};
}
}
}
@@ -4487,7 +4665,7 @@ sub metadata {
foreach (sort(split(/\,/,&metadata($uri,'keys',
$location,$unikey,
$depthcount+1)))) {
- $metacache{$uri}->{':'.$_}=$metacache{$uri}->{':'.$_};
+ $metaentry{':'.$_}=$metaentry{':'.$_};
$metathesekeys{$_}=1;
}
}
@@ -4498,18 +4676,18 @@ sub metadata {
}
$metathesekeys{$unikey}=1;
foreach (@{$token->[3]}) {
- $metacache{$uri}->{':'.$unikey.'.'.$_}=$token->[2]->{$_};
+ $metaentry{':'.$unikey.'.'.$_}=$token->[2]->{$_};
}
my $internaltext=&HTML::Entities::decode($parser->get_text('/'.$entry));
- my $default=$metacache{$uri}->{':'.$unikey.'.default'};
+ my $default=$metaentry{':'.$unikey.'.default'};
if ( $internaltext =~ /^\s*$/ && $default !~ /^\s*$/) {
# only ws inside the tag, and not in default, so use default
# as value
- $metacache{$uri}->{':'.$unikey}=$default;
+ $metaentry{':'.$unikey}=$default;
} else {
# either something interesting inside the tag or default
# uninteresting
- $metacache{$uri}->{':'.$unikey}=$internaltext;
+ $metaentry{':'.$unikey}=$internaltext;
}
# end of not-a-package not-a-library import
}
@@ -4526,7 +4704,7 @@ sub metadata {
&metadata_create_package_def($uri,$key,'extension_'.$extension,
\%metathesekeys);
}
- if (!exists($metacache{$uri}->{':packages'})) {
+ if (!exists($metaentry{':packages'})) {
foreach my $key (sort(keys(%packagetab))) {
#no specific packages well let's get default then
if ($key!~/^default&/) { next; }
@@ -4535,31 +4713,31 @@ sub metadata {
}
}
# are there custom rights to evaluate
- if ($metacache{$uri}->{':copyright'} eq 'custom') {
+ if ($metaentry{':copyright'} eq 'custom') {
#
# Importing a rights file here
#
unless ($depthcount) {
- my $location=$metacache{$uri}->{':customdistributionfile'};
+ my $location=$metaentry{':customdistributionfile'};
my $dir=$filename;
$dir=~s|[^/]*$||;
$location=&filelocation($dir,$location);
foreach (sort(split(/\,/,&metadata($uri,'keys',
$location,'_rights',
$depthcount+1)))) {
- $metacache{$uri}->{':'.$_}=$metacache{$uri}->{':'.$_};
+ #$metaentry{':'.$_}=$metacache{$uri}->{':'.$_};
$metathesekeys{$_}=1;
}
}
}
- $metacache{$uri}->{':keys'}=join(',',keys %metathesekeys);
- &metadata_generate_part0(\%metathesekeys,$metacache{$uri},$uri);
- $metacache{$uri}->{':allpossiblekeys'}=join(',',keys %metathesekeys);
- &do_cache(\%metacache,$uri,$metacache{$uri},'meta');
+ $metaentry{':keys'}=join(',',keys %metathesekeys);
+ &metadata_generate_part0(\%metathesekeys,\%metaentry,$uri);
+ $metaentry{':allpossiblekeys'}=join(',',keys %metathesekeys);
+ &do_cache_new('meta',$uri,\%metaentry);
# this is the end of "was not already recently cached
}
- return $metacache{$uri}->{':'.$what};
+ return $metaentry{':'.$what};
}
sub metadata_create_package_def {
@@ -4567,22 +4745,22 @@ sub metadata_create_package_def {
my ($pack,$name,$subp)=split(/\&/,$key);
if ($subp eq 'default') { next; }
- if (defined($metacache{$uri}->{':packages'})) {
- $metacache{$uri}->{':packages'}.=','.$package;
+ if (defined($metaentry{':packages'})) {
+ $metaentry{':packages'}.=','.$package;
} else {
- $metacache{$uri}->{':packages'}=$package;
+ $metaentry{':packages'}=$package;
}
my $value=$packagetab{$key};
my $unikey;
$unikey='parameter_0_'.$name;
- $metacache{$uri}->{':'.$unikey.'.part'}=0;
+ $metaentry{':'.$unikey.'.part'}=0;
$$metathesekeys{$unikey}=1;
- unless (defined($metacache{$uri}->{':'.$unikey.'.'.$subp})) {
- $metacache{$uri}->{':'.$unikey.'.'.$subp}=$value;
+ unless (defined($metaentry{':'.$unikey.'.'.$subp})) {
+ $metaentry{':'.$unikey.'.'.$subp}=$value;
}
- if (defined($metacache{$uri}->{':'.$unikey.'.default'})) {
- $metacache{$uri}->{':'.$unikey}=
- $metacache{$uri}->{':'.$unikey.'.default'};
+ if (defined($metaentry{':'.$unikey.'.default'})) {
+ $metaentry{':'.$unikey}=
+ $metaentry{':'.$unikey.'.default'};
}
}
@@ -4620,8 +4798,11 @@ sub gettitle {
my $urlsymb=shift;
my $symb=&symbread($urlsymb);
if ($symb) {
- my ($result,$cached)=&is_cached(\%titlecache,$symb,'title',600);
- if (defined($cached)) { return $result; }
+ my $key=$ENV{'request.course.id'}."\0".$symb;
+ my ($result,$cached)=&is_cached_new('title',$key);
+ if (defined($cached)) {
+ return $result;
+ }
my ($map,$resid,$url)=&decode_symb($symb);
my $title='';
my %bighash;
@@ -4633,7 +4814,7 @@ sub gettitle {
}
$title=~s/\&colon\;/\:/gs;
if ($title) {
- return &do_cache(\%titlecache,$symb,$title,'title');
+ return &do_cache_new('title',$key,$title,600);
}
$urlsymb=$url;
}
@@ -4697,8 +4878,11 @@ sub symbverify {
if (
&symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn)
eq $symb) {
- $okay=1;
- }
+ if (($ENV{'request.role.adv'}) ||
+ $bighash{'encrypted_'.$_} eq $ENV{'request.enc'}) {
+ $okay=1;
+ }
+ }
}
}
untie(%bighash);
@@ -4710,7 +4894,7 @@ sub symbverify {
sub symbclean {
my $symb=shift;
-
+ if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); }
# remove version from map
$symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/;
@@ -4731,7 +4915,9 @@ sub encode_symb {
}
sub decode_symb {
- my ($map,$resid,$url)=split(/\_\_\_/,shift);
+ my $symb=shift;
+ if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); }
+ my ($map,$resid,$url)=split(/___/,$symb);
return (&fixversion($map),$resid,&fixversion($url));
}
@@ -4742,8 +4928,7 @@ sub fixversion {
my $uri=&clutter($fn);
my $key=$ENV{'request.course.id'}.'_'.$uri;
# is this cached?
- my ($result,$cached)=&is_cached(\%courseresversioncache,$key,
- 'courseresversion',600);
+ my ($result,$cached)=&is_cached_new('courseresversion',$key);
if (defined($cached)) { return $result; }
# unfortunately not cached, or expired
if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
@@ -4757,8 +4942,7 @@ sub fixversion {
}
untie %bighash;
}
- return &do_cache
- (\%courseresversioncache,$key,&declutter($uri),'courseresversion');
+ return &do_cache_new('courseresversion',$key,&declutter($uri),600);
}
sub deversion {
@@ -4780,6 +4964,7 @@ sub symbread {
}
$thisfn=$ENV{'request.filename'};
}
+ if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); }
# is that filename actually a symb? Verify, clean, and return
if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) {
if (&symbverify($thisfn,$1)) {
@@ -4890,8 +5075,25 @@ sub numval2 {
return int($total);
}
+sub numval3 {
+ use integer;
+ my $txt=shift;
+ $txt=~tr/A-J/0-9/;
+ $txt=~tr/a-j/0-9/;
+ $txt=~tr/K-T/0-9/;
+ $txt=~tr/k-t/0-9/;
+ $txt=~tr/U-Z/0-5/;
+ $txt=~tr/u-z/0-5/;
+ $txt=~s/\D//g;
+ my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt);
+ my $total;
+ foreach my $val (@txts) { $total+=$val; }
+ if ($_64bit) { $total=(($total<<32)>>32); }
+ return $total;
+}
+
sub latest_rnd_algorithm_id {
- return '64bit3';
+ return '64bit4';
}
sub get_rand_alg {
@@ -4930,7 +5132,13 @@ sub rndseed {
if (!$username) { $username=$wusername }
my $which=&get_rand_alg();
if (defined(&getCODE())) {
- return &rndseed_CODE_64bit($symb,$courseid,$domain,$username);
+ if ($which eq '64bit4') {
+ return &rndseed_CODE_64bit4($symb,$courseid,$domain,$username);
+ } else {
+ return &rndseed_CODE_64bit($symb,$courseid,$domain,$username);
+ }
+ } elsif ($which eq '64bit4') {
+ return &rndseed_64bit4($symb,$courseid,$domain,$username);
} elsif ($which eq '64bit3') {
return &rndseed_64bit3($symb,$courseid,$domain,$username);
} elsif ($which eq '64bit2') {
@@ -5027,6 +5235,30 @@ sub rndseed_64bit3 {
}
}
+sub rndseed_64bit4 {
+ my ($symb,$courseid,$domain,$username)=@_;
+ {
+ use integer;
+ # strings need to be an even # of cahracters long, it it is odd the
+ # last characters gets thrown away
+ my $symbchck=unpack("%32S*",$symb.' ') << 21;
+ my $symbseed=numval3($symb) << 10;
+ my $namechck=unpack("%32S*",$username.' ');
+
+ my $nameseed=numval3($username) << 21;
+ my $domainseed=unpack("%32S*",$domain.' ') << 10;
+ my $courseseed=unpack("%32S*",$courseid.' ');
+
+ my $num1=$symbchck+$symbseed+$namechck;
+ my $num2=$nameseed+$domainseed+$courseseed;
+ #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
+ #&Apache::lonxml::debug("rndseed :$num1:$num2:$_64bit");
+ if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
+
+ return "$num1:$num2";
+ }
+}
+
sub rndseed_CODE_64bit {
my ($symb,$courseid,$domain,$username)=@_;
{
@@ -5046,6 +5278,25 @@ sub rndseed_CODE_64bit {
}
}
+sub rndseed_CODE_64bit4 {
+ my ($symb,$courseid,$domain,$username)=@_;
+ {
+ use integer;
+ my $symbchck=unpack("%32S*",$symb.' ') << 16;
+ my $symbseed=numval3($symb);
+ my $CODEchck=unpack("%32S*",&getCODE().' ') << 16;
+ my $CODEseed=numval3(&getCODE());
+ my $courseseed=unpack("%32S*",$courseid.' ');
+ my $num1=$symbseed+$CODEchck;
+ my $num2=$CODEseed+$courseseed+$symbchck;
+ #&Apache::lonxml::debug("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck");
+ #&Apache::lonxml::debug("rndseed :$num1:$num2:$symb");
+ if ($_64bit) { $num1=(($num1<<32)>>32); }
+ if ($_64bit) { $num2=(($num2<<32)>>32); }
+ return "$num1:$num2";
+ }
+}
+
sub setup_random_from_rndseed {
my ($rndseed)=@_;
if ($rndseed =~/([,:])/) {
@@ -5330,6 +5581,7 @@ sub current_machine_ids {
sub declutter {
my $thisfn=shift;
+ if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); }
$thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//;
$thisfn=~s/^\///;
$thisfn=~s/^res\///;
@@ -5383,10 +5635,10 @@ sub thaw_unescape {
}
sub mod_perl_version {
+ return 1;
if (defined($perlvar{'MODPERL2'})) {
return 2;
}
- return 1;
}
sub correct_line_ends {
@@ -5399,17 +5651,20 @@ sub correct_line_ends {
sub goodbye {
&logthis("Starting Shut down");
#not converted to using infrastruture and probably shouldn't be
- &logthis(sprintf("%-20s is %s",'%badServerCache',scalar(%badServerCache)));
+ &logthis(sprintf("%-20s is %s",'%badServerCache',length(&freeze(\%badServerCache))));
#converted
- &logthis(sprintf("%-20s is %s",'%metacache',scalar(%metacache)));
- &logthis(sprintf("%-20s is %s",'%homecache',scalar(%homecache)));
- &logthis(sprintf("%-20s is %s",'%titlecache',scalar(%titlecache)));
- &logthis(sprintf("%-20s is %s",'%courseresdatacache',scalar(%courseresdatacache)));
+# &logthis(sprintf("%-20s is %s",'%metacache',scalar(%metacache)));
+# &logthis(sprintf("%-20s is %s",'%homecache',length(&freeze(\%homecache))));
+# &logthis(sprintf("%-20s is %s",'%titlecache',length(&freeze(\%titlecache))));
+# &logthis(sprintf("%-20s is %s",'%courseresdatacache',length(&freeze(\%courseresdatacache))));
#1.1 only
- &logthis(sprintf("%-20s is %s",'%userresdatacache',scalar(%userresdatacache)));
- &logthis(sprintf("%-20s is %s",'%getsectioncache',scalar(%getsectioncache)));
- &logthis(sprintf("%-20s is %s",'%courseresversioncache',scalar(%courseresversioncache)));
- &logthis(sprintf("%-20s is %s",'%resversioncache',scalar(%resversioncache)));
+# &logthis(sprintf("%-20s is %s",'%userresdatacache',length(&freeze(\%userresdatacache))));
+# &logthis(sprintf("%-20s is %s",'%getsectioncache',length(&freeze(\%getsectioncache))));
+# &logthis(sprintf("%-20s is %s",'%courseresversioncache',length(&freeze(\%courseresversioncache))));
+# &logthis(sprintf("%-20s is %s",'%resversioncache',length(&freeze(\%resversioncache))));
+ &logthis(sprintf("%-20s is %s",'%remembered',length(&freeze(\%remembered))));
+ &logthis(sprintf("%-20s is %s",'kicks',$kicks));
+ &logthis(sprintf("%-20s is %s",'hits',$hits));
&flushcourselogs();
&logthis("Shutting down");
return DONE;
@@ -5419,6 +5674,7 @@ BEGIN {
# ----------------------------------- Read loncapa.conf and loncapa_apache.conf
unless ($readit) {
{
+ # FIXME: Use LONCAPA::Configuration::read_conf here and omit next block
open(my $config,") {
@@ -5554,7 +5810,7 @@ BEGIN {
}
-%metacache=();
+$memcache=new Cache::Memcached({'servers'=>['127.0.0.1:11211']});
$processmarker='_'.time.'_'.$perlvar{'lonHostID'};
$dumpcount=0;
@@ -5565,7 +5821,7 @@ $readit=1;
{
use integer;
my $test=(2**32)+1;
- if ($test != 0) { $_64bit=1; }
+ if ($test != 0) { $_64bit=1; } else { $_64bit=0; }
&logthis(" Detected 64bit platform ($_64bit)");
}
}
@@ -6054,9 +6310,10 @@ returns the data handle
=item *
symbverify($symb,$thisfn) : verifies that $symb actually exists and is
-a possible symb for the URL in $thisfn, returns a 1 on success, 0 on
-failure, user must be in a course, as it assumes the existance of the
-course initi hash, and uses $ENV('request.course.id'}
+a possible symb for the URL in $thisfn, and if is an encryypted
+resource that the user accessed using /enc/ returns a 1 on success, 0
+on failure, user must be in a course, as it assumes the existance of
+the course initial hash, and uses $ENV('request.course.id'}
=item *