--- loncom/lonnet/perl/lonnet.pm 2003/10/23 21:01:54 1.432 +++ loncom/lonnet/perl/lonnet.pm 2003/11/01 18:34:49 1.440 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.432 2003/10/23 21:01:54 albertel Exp $ +# $Id: lonnet.pm,v 1.440 2003/11/01 18:34:49 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,44 +25,6 @@ # # http://www.lon-capa.org/ # -# 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30, -# 7/1,7/2,7/9,7/10,7/12,7/14,7/15,7/19, -# 11/8,11/16,11/18,11/22,11/23,12/22, -# 01/06,01/13,02/24,02/28,02/29, -# 03/01,03/02,03/06,03/07,03/13, -# 04/05,05/29,05/31,06/01, -# 06/05,06/26 Gerd Kortemeyer -# 06/26 Ben Tyszka -# 06/30,07/15,07/17,07/18,07/20,07/21,07/22,07/25 Gerd Kortemeyer -# 08/14 Ben Tyszka -# 08/22,08/28,08/31,09/01,09/02,09/04,09/05,09/25,09/28,09/30 Gerd Kortemeyer -# 10/04 Gerd Kortemeyer -# 10/04 Guy Albertelli -# 10/06,10/09,10/10,10/11,10/14,10/20,10/23,10/25,10/26,10/27,10/28,10/29, -# 10/30,10/31, -# 11/2,11/14,11/15,11/16,11/20,11/21,11/22,11/25,11/27, -# 12/02,12/12,12/13,12/14,12/28,12/29 Gerd Kortemeyer -# 05/01/01 Guy Albertelli -# 05/01,06/01,09/01 Gerd Kortemeyer -# 09/01 Guy Albertelli -# 09/01,10/01,11/01 Gerd Kortemeyer -# YEAR=2001 -# 3/2 Gerd Kortemeyer -# 3/19,3/20 Gerd Kortemeyer -# 5/26,5/28 Gerd Kortemeyer -# 5/30 H. K. Ng -# 6/1 Gerd Kortemeyer -# July Guy Albertelli -# 8/4,8/7,8/8,8/9,8/11,8/16,8/17,8/18,8/20,8/23,9/20,9/21,9/26, -# 10/2 Gerd Kortemeyer -# 11/17,11/20,11/22,11/29 Gerd Kortemeyer -# 12/5 Matthew Hall -# 12/5 Guy Albertelli -# 12/6,12/7,12/12 Gerd Kortemeyer -# 12/21,12/22,12/27,12/28 Gerd Kortemeyer -# YEAR=2002 -# 1/4,2/4,2/7 Gerd Kortemeyer -# ### package Apache::lonnet; @@ -73,7 +35,7 @@ use LWP::UserAgent(); use HTTP::Headers; use vars qw(%perlvar %hostname %homecache %badServerCache %hostip %iphost %spareid %hostdom - %libserv %pr %prp %metacache %packagetab %titlecache + %libserv %pr %prp %metacache %packagetab %titlecache %courseresversioncache %resversioncache %courselogs %accesshash %userrolehash $processmarker $dumpcount %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseresdatacache %userresdatacache %usectioncache %domaindescription %domain_auth_def %domain_auth_arg_def @@ -274,10 +236,19 @@ sub transfer_profile_to_env { $idf->close(); } my $envi; + my %Remove; for ($envi=0;$envi<=$#profile;$envi++) { chomp($profile[$envi]); my ($envname,$envvalue)=split(/=/,$profile[$envi]); $ENV{$envname} = $envvalue; + if (my ($key,$time) = ($envname =~ /^(cgi\.(\d+)_\d+\.)/)) { + if ($time < time-300) { + $Remove{$key}++; + } + } + } + foreach my $expired_key (keys(%Remove)) { + &delenv($expired_key); } $ENV{'user.environment'} = "$lonidsdir/$handle.id"; } @@ -396,7 +367,7 @@ sub userload { while ($filename=readdir(LONIDS)) { if ($filename eq '.' || $filename eq '..') {next;} my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9]; - if ($curtime-$mtime < 3600) { $numusers++; } + if ($curtime-$mtime < 1800) { $numusers++; } } closedir(LONIDS); } @@ -860,7 +831,7 @@ sub devalidate_cache { delete($hash{$id}); delete($hash{$id.'.time'}); } else { - &logthis("Unable to tie hash"); + &logthis("Unable to tie hash (devalidate cache): $name"); } untie(%hash); flock(DB,LOCK_UN); @@ -878,7 +849,7 @@ sub is_cached { return (undef,undef); } else { if (time-($$cache{$id.'.time'})>$time) { -# &logthis("Devailidating $id - ".time-($$cache{$id.'.time'})); +# &logthis("Devalidating $id - ".time-($$cache{$id.'.time'})); &devalidate_cache($cache,$id,$name); return (undef,undef); } @@ -958,7 +929,7 @@ sub save_cache_item { $hash{$id.'.time'}=$$cache{$id.'.time'}; $hash{$id}=freeze({'item'=>$$cache{$id}}); } else { - &logthis("Unable to tie hash"); + &logthis("Unable to tie hash (save cache item): $name"); } untie(%hash); flock(DB,LOCK_UN); @@ -993,7 +964,7 @@ sub load_cache_item { $$cache{$id.'.time'}=$hash{$id.'.time'}; } } else { - &logthis("Unable to tie hash"); + &logthis("Unable to tie hash (load cache item): $name"); } untie(%hash); flock(DB,LOCK_UN); @@ -1071,6 +1042,8 @@ sub getversion { sub currentversion { my $fname=shift; + my ($result,$cached)=&is_cached(\%resversioncache,$fname,'resversion',600); + if (defined($cached)) { return $result; } my $author=$fname; $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; my ($udom,$uname)=split(/\//,$author); @@ -1082,7 +1055,7 @@ sub currentversion { if (($answer eq 'con_lost') || ($answer eq 'rejected')) { return -1; } - return $answer; + return &do_cache(\%resversioncache,$fname,$answer,'resversion'); } # ----------------------------- Subscribe to a resource, return URL if possible @@ -2478,7 +2451,7 @@ sub customaccess { sub allowed { my ($priv,$uri)=@_; - + $uri=&deversion($uri); my $orguri=$uri; $uri=&declutter($uri); @@ -2763,6 +2736,7 @@ sub allowed { sub is_on_map { my $uri=&declutter(shift); + $uri=~s/\.\d+\.(\w+)$/\.$1/; my @uriparts=split(/\//,$uri); my $filename=$uriparts[$#uriparts]; my $pathname=$uri; @@ -2774,10 +2748,7 @@ sub is_on_map { if ($match) { return (1,$1); } else { - my ($name,$ext)=($filename=~/^(.+)\.(\w+)$/); - $ENV{'acc.res.'.$ENV{'request.course.id'}.'.'.$pathname}=~ - /\&(\Q$name\E\.\d+\.$ext)\:([\d\|]+)\&/; - return (0,$2,$pathname.'/'.$1); + return (0,0); } } @@ -4024,13 +3995,13 @@ sub gettitle { sub symblist { my ($mapname,%newhash)=@_; - $mapname=declutter($mapname); + $mapname=&deversion(&declutter($mapname)); my %hash; if (($ENV{'request.course.fn'}) && (%newhash)) { if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', &GDBM_WRCREAT(),0640)) { foreach (keys %newhash) { - $hash{declutter($_)}=$mapname.'___'.$newhash{$_}; + $hash{declutter($_)}=$mapname.'___'.&deversion($newhash{$_}); } if (untie(%hash)) { return 'ok'; @@ -4044,14 +4015,16 @@ sub symblist { sub symbverify { my ($symb,$thisfn)=@_; - $thisfn=&symbclean(&declutter($thisfn)); + $thisfn=&declutter($thisfn); # direct jump to resource in page or to a sequence - will construct own symbs if ($thisfn=~/\.(page|sequence)$/) { return 1; } # check URL part my ($map,$resid,$url)=&decode_symb($symb); + unless ($url eq $thisfn) { return 0; } $symb=&symbclean($symb); + $thisfn=&deversion($thisfn); my %bighash; my $okay=0; @@ -4107,11 +4080,32 @@ sub decode_symb { sub fixversion { my $fn=shift; if ($fn=~/^(adm|uploaded|public)/) { return $fn; } - my ($match,$cond,$versioned)=&is_on_map($fn); - unless ($match) { - $fn=$versioned; - } - return $fn; + my %bighash; + my $uri=&clutter($fn); + my $key=$ENV{'request.course.id'}.'_'.$uri; +# is this cached? + my ($result,$cached)=&is_cached(\%courseresversioncache,$key, + 'courseresversion',600); + if (defined($cached)) { return $result; } +# unfortunately not cached, or expired + if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', + &GDBM_READER(),0640)) { + if ($bighash{'version_'.$uri}) { + my $version=$bighash{'version_'.$uri}; + unless ($version eq 'mostrecent') { + $uri=~s/\.(\w+)$/\.$version\.$1/; + } + } + untie %bighash; + } + return &do_cache + (\%courseresversioncache,$key,&declutter($uri),'courseresversion'); +} + +sub deversion { + my $url=shift; + $url=~s/\.\d+\.(\w+)$/\.$1/; + return $url; } # ------------------------------------------------------ Return symb list entry @@ -4419,6 +4413,13 @@ sub mod_perl_version { } return 1; } + +sub correct_line_ends { + my ($result)=@_; + &logthis("Wha $result"); + $$result =~s/\r\n/\n/mg; + $$result =~s/\r/\n/mg; +} # ================================================================ Main Program sub goodbye { @@ -4433,6 +4434,8 @@ sub goodbye { #1.1 only &logthis(sprintf("%-20s is %s",'%userresdatacache',scalar(%userresdatacache))); &logthis(sprintf("%-20s is %s",'%usectioncache',scalar(%usectioncache))); + &logthis(sprintf("%-20s is %s",'%courseresversioncache',scalar(%courseresversioncache))); + &logthis(sprintf("%-20s is %s",'%resversioncache',scalar(%resversioncache))); &flushcourselogs(); &logthis("Shutting down"); return DONE;