--- loncom/lonnet/perl/lonnet.pm 2010/08/17 00:19:24 1.1056.4.3 +++ loncom/lonnet/perl/lonnet.pm 2010/07/20 02:42:47 1.1074 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.1056.4.3 2010/08/17 00:19:24 raeburn Exp $ +# $Id: lonnet.pm,v 1.1074 2010/07/20 02:42:47 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -263,7 +263,7 @@ sub get_server_homeID { } my $cachetime = 12*3600; my $serverhomeID; - if ($caller eq 'loncron') { + if ($caller eq 'loncron') { my @machine_ids = &machine_ids($hostname); foreach my $id (@machine_ids) { my $response = &reply('serverhomeID',$id); @@ -724,30 +724,6 @@ sub userload { return $userloadpercent; } -# ------------------------------------------ Fight off request when overloaded - -sub overloaderror { - my ($r,$checkserver)=@_; - unless ($checkserver) { $checkserver=$perlvar{'lonHostID'}; } - my $loadavg; - if ($checkserver eq $perlvar{'lonHostID'}) { - open(my $loadfile,'/proc/loadavg'); - $loadavg=<$loadfile>; - $loadavg =~ s/\s.*//g; - $loadavg = 100*$loadavg/$perlvar{'lonLoadLim'}; - close($loadfile); - } else { - $loadavg=&reply('load',$checkserver); - } - my $overload=$loadavg-100; - if ($overload>0) { - $r->err_headers_out->{'Retry-After'}=$overload; - $r->log_error('Overload of '.$overload.' on '.$checkserver); - return 413; - } - return ''; -} - # ------------------------------ Find server with least workload from spare.tab sub spareserver { @@ -793,7 +769,7 @@ sub compare_server_load { my $userloadans = &reply('userload',$try_server); if ($loadans !~ /\d/ && $userloadans !~ /\d/) { - return; #didn't get a number from the server + return; #didn't get a number from the server } my $load; @@ -836,27 +812,6 @@ sub has_user_session { return 0; } -# --------- determine least loaded server in a user's domain which allows login - -sub choose_server { - my ($udom) = @_; - my %domconfhash = &Apache::loncommon::get_domainconf($udom); - my %servers = &get_servers($udom); - my $lowest_load = 30000; - my ($login_host,$hostname); - foreach my $lonhost (keys(%servers)) { - my $loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost}; - if ($loginvia eq '') { - ($login_host, $lowest_load) = - &compare_server_load($lonhost, $login_host, $lowest_load); - } - } - if ($login_host ne '') { - $hostname = $servers{$login_host}; - } - return ($login_host,$hostname); -} - # --------------------------------------------- Try to change a user's password sub changepass { @@ -3354,7 +3309,7 @@ sub get_domain_roles { return %personnel; } -# ----------------------------------------------------------- Check out an item +# ----------------------------------------------------------- Interval timing sub get_first_access { my ($type,$argsymb)=@_; @@ -3390,91 +3345,6 @@ sub set_first_access { return 'already_set'; } -sub checkout { - my ($symb,$tuname,$tudom,$tcrsid)=@_; - my $now=time; - my $lonhost=$perlvar{'lonHostID'}; - my $infostr=&escape( - 'CHECKOUTTOKEN&'. - $tuname.'&'. - $tudom.'&'. - $tcrsid.'&'. - $symb.'&'. - $now.'&'.$ENV{'REMOTE_ADDR'}); - my $token=&reply('tmpput:'.$infostr,$lonhost); - if ($token=~/^error\:/) { - &logthis("WARNING: ". - "Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb. - ""); - return ''; - } - - $token=~s/^(\d+)\_.*\_(\d+)$/$1\*$2\*$lonhost/; - $token=~tr/a-z/A-Z/; - - my %infohash=('resource.0.outtoken' => $token, - 'resource.0.checkouttime' => $now, - 'resource.0.outremote' => $ENV{'REMOTE_ADDR'}); - - unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { - return ''; - } else { - &logthis("WARNING: ". - "Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb. - ""); - } - - if (&log($tudom,$tuname,&homeserver($tuname,$tudom), - &escape('Checkout '.$infostr.' - '. - $token)) ne 'ok') { - return ''; - } else { - &logthis("WARNING: ". - "Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb. - ""); - } - return $token; -} - -# ------------------------------------------------------------ Check in an item - -sub checkin { - my $token=shift; - my $now=time; - my ($ta,$tb,$lonhost)=split(/\*/,$token); - $lonhost=~tr/A-Z/a-z/; - my $dtoken=$ta.'_'.&hostname($lonhost).'_'.$tb; - $dtoken=~s/\W/\_/g; - my ($dummy,$tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)= - split(/\&/,&unescape(&reply('tmpget:'.$dtoken,$lonhost))); - - unless (($tuname) && ($tudom)) { - &logthis('Check in '.$token.' ('.$dtoken.') failed'); - return ''; - } - - unless (&allowed('mgr',$tcrsid)) { - &logthis('Check in '.$token.' ('.$dtoken.') unauthorized: '. - $env{'user.name'}.' - '.$env{'user.domain'}); - return ''; - } - - my %infohash=('resource.0.intoken' => $token, - 'resource.0.checkintime' => $now, - 'resource.0.inremote' => $ENV{'REMOTE_ADDR'}); - - unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { - return ''; - } - - if (&log($tudom,$tuname,&homeserver($tuname,$tudom), - &escape('Checkin - '.$token)) ne 'ok') { - return ''; - } - - return ($symb,$tuname,$tudom,$tcrsid); -} - # --------------------------------------------- Set Expire Date for Spreadsheet sub expirespread { @@ -4052,10 +3922,9 @@ sub rolesinit { my ($domain,$username,$authhost)=@_; my $now=time; my %userroles = ('user.login.time' => $now); - my $extra = &freeze_escape({'clientcheckrole' => 1}); - my $rolesdump=reply("dump:$domain:$username:roles:.::$extra",$authhost); + my $rolesdump=reply("dump:$domain:$username:roles",$authhost); if (($rolesdump eq 'con_lost') || ($rolesdump eq '') || - ($rolesdump =~ /^error:/)) { + ($rolesdump =~ /^error:/)) { return \%userroles; } my %allroles=(); @@ -4181,7 +4050,7 @@ sub set_userprivs { my $adv=0; my %grouproles = (); if (keys(%{$allgroups}) > 0) { - my @groupkeys; + my @groupkeys; foreach my $role (keys(%{$allroles})) { push(@groupkeys,$role); } @@ -4257,7 +4126,7 @@ sub role_status { my %userroles = ( 'user.role.'.$$role.'.'.$$where => $$tstart.'.'.$$tend ); - @rolecodes = ('cm'); + @rolecodes = ('cm'); my $spec=$$role.'.'.$$where; my ($tdummy,$tdomain,$trest)=split(/\//,$$where); if ($$role =~ /^cr\//) { @@ -4268,14 +4137,13 @@ sub role_status { my %rolehash = &get('roles',[$$where.'_'.$$role],$env{'user.domain'}, $env{'user.name'}); my ($trole) = split('_',$rolehash{$$where.'_'.$$role},2); - (undef,my $group_privs) = split(/\//,$trole); $group_privs = &unescape($group_privs); &group_roleprivs(\%allgroups,$$where,$group_privs,$$tend,$$tstart); my %course_roles = &get_my_roles($env{'user.name'},$env{'user.domain'},'userroles',['active'],['cc','co','in','ta','ep','ad','st','cr'],[$tdomain],1); if (keys(%course_roles) > 0) { my ($tnum) = ($trest =~ /^($match_courseid)/); - if ($tdomain ne '' && $tnum ne '') { + if ($tdomain ne '' && $tnum ne '') { foreach my $key (keys(%course_roles)) { if ($key =~ /^\Q$tnum\E:\Q$tdomain\E:([^:]+):?([^:]*)/) { my $crsrole = $1; @@ -6729,7 +6597,7 @@ sub modifyuser { } &logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '. $umode.', '.$first.', '.$middle.', '. - $last.', '.$gene.'(forceid: '.$forceid.'; candelete: '.$showcandelete.')'. + $last.', '.$gene.'(forceid: '.$forceid.'; candelete: '.$showcandelete.')'. (defined($desiredhome) ? ' desiredhome = '.$desiredhome : ' desiredhome not specified'). ' by '.$env{'user.name'}.' at '.$env{'user.domain'}. @@ -6793,6 +6661,7 @@ sub modifyuser { } else { %names = @tmp; } +# # If name, email and/or uid are blank (e.g., because an uploaded file # of users did not contain them), do not overwrite existing values # unless field is in $candelete array ref. @@ -8388,6 +8257,7 @@ sub add_prefix_and_part { # ---------------------------------------------------------------- Get metadata my %metaentry; +my %importedpartids; sub metadata { my ($uri,$what,$liburi,$prefix,$depthcount)=@_; $uri=&declutter($uri); @@ -8414,6 +8284,10 @@ sub metadata { if (defined($cached)) { return $result->{':'.$what}; } } { +# Imported parts would go here + my %importedids=(); + my @origfileimportpartids=(); + my $importedparts=0; # # Is this a recursive call for a library? # @@ -8497,27 +8371,55 @@ sub metadata { # This is not a package - some other kind of start tag # my $entry=$token->[1]; - my $unikey; - if ($entry eq 'import') { - $unikey=''; - } else { - $unikey=$entry; - } - $unikey.=&add_prefix_and_part($prefix,$token->[2]->{'part'}); - - if (defined($token->[2]->{'id'})) { - $unikey.='_'.$token->[2]->{'id'}; - } + my $unikey=''; if ($entry eq 'import') { # # Importing a library here # + my $location=$parser->get_text('/import'); + my $dir=$filename; + $dir=~s|[^/]*$||; + $location=&filelocation($dir,$location); + + my $importmode=$token->[2]->{'importmode'}; + if ($importmode eq 'problem') { +# Import as problem/response + $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'}); + } elsif ($importmode eq 'part') { +# Import as part(s) + $importedparts=1; +# We need to get the original file and the imported file to get the part order correct +# Good news: we do not need to worry about nested libraries, since parts cannot be nested +# Load and inspect original file + if ($#origfileimportpartids<0) { + undef(%importedpartids); + my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri); + my $origfile=&getfile($origfilelocation); + @origfileimportpartids=($origfile=~/<(part|import)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs); + } + +# Load and inspect imported file + my $impfile=&getfile($location); + my @impfilepartids=($impfile=~/]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs); + if ($#impfilepartids>=0) { +# This problem had parts + $importedpartids{$token->[2]->{'id'}}=join(',',@impfilepartids); + } else { +# Importing by turning a single problem into a problem part +# It gets the import-tags ID as part-ID + $unikey=&add_prefix_and_part($prefix,$token->[2]->{'id'}); + $importedpartids{$token->[2]->{'id'}}=$token->[2]->{'id'}; + } + } else { +# Normal import + $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'}); + if (defined($token->[2]->{'id'})) { + $unikey.='_'.$token->[2]->{'id'}; + } + } + if ($depthcount<20) { - my $location=$parser->get_text('/import'); - my $dir=$filename; - $dir=~s|[^/]*$||; - $location=&filelocation($dir,$location); my $metadata = &metadata($uri,'keys', $location,$unikey, $depthcount+1); @@ -8525,9 +8427,16 @@ sub metadata { $metaentry{':'.$meta}=$metaentry{':'.$meta}; $metathesekeys{$meta}=1; } - } - } else { + } + } else { +# +# Not importing, some other kind of non-package, non-library start tag +# + $unikey=$entry.&add_prefix_and_part($prefix,$token->[2]->{'part'}); + if (defined($token->[2]->{'id'})) { + $unikey.='_'.$token->[2]->{'id'}; + } if (defined($token->[2]->{'name'})) { $unikey.='_'.$token->[2]->{'name'}; } @@ -8601,6 +8510,22 @@ sub metadata { grep { ! $seen{$_} ++ } (split(',',$metaentry{':packages'})); $metaentry{':packages'} = join(',',@uniq_packages); + if ($importedparts) { +# We had imported parts and need to rebuild partorder + $metaentry{':partorder'}=''; + $metathesekeys{'partorder'}=1; + for (my $index=0;$index<$#origfileimportpartids;$index+=2) { + if ($origfileimportpartids[$index] eq 'part') { +# original part, part of the problem + $metaentry{':partorder'}.=','.$origfileimportpartids[$index+1]; + } else { +# we have imported parts at this position + $metaentry{':partorder'}.=','.$importedpartids{$origfileimportpartids[$index+1]}; + } + } + $metaentry{':partorder'}=~s/^\,//; + } + $metaentry{':keys'} = join(',',keys(%metathesekeys)); &metadata_generate_part0(\%metathesekeys,\%metaentry,$uri); $metaentry{':allpossiblekeys'}=join(',',keys %metathesekeys); @@ -9877,6 +9802,7 @@ sub get_dns { my %libserv; my $loaded; my %name_to_host; + my %internetdom; sub parse_hosts_tab { my ($file) = @_; @@ -9884,7 +9810,7 @@ sub get_dns { next if ($configline =~ /^(\#|\s*$ )/x); next if ($configline =~ /^\^/); chomp($configline); - my ($id,$domain,$role,$name,$protocol)=split(/:/,$configline); + my ($id,$domain,$role,$name,$protocol,$intdom)=split(/:/,$configline); $name=~s/\s//g; if ($id && $domain && $role && $name) { $hostname{$id}=$name; @@ -9900,6 +9826,9 @@ sub get_dns { } else { $protocol{$id} = 'http'; } + if (defined($intdom)) { + $internetdom{$id} = $intdom; + } } } } @@ -9962,7 +9891,7 @@ sub get_dns { } sub unique_library { - #2x reverse removes all hostnames that appear more than once + #2x reverse removes all hostnames that appear more than once my %unique = reverse &all_library(); return reverse %unique; } @@ -9992,7 +9921,7 @@ sub get_dns { sub get_unique_servers { my %unique = reverse &get_servers(@_); - return reverse %unique; + return reverse %unique; } sub host_domain { @@ -10016,7 +9945,6 @@ sub get_dns { my ($lonid) = @_; return $internetdom{$lonid}; } - } { @@ -10166,10 +10094,6 @@ sub get_dns { } -sub all_loncaparevs { - return qw(1.1 1.2 1.3 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10); -} - BEGIN { # ----------------------------------- Read loncapa.conf and loncapa_apache.conf @@ -10273,6 +10197,10 @@ BEGIN { } } +sub all_loncaparevs { + return qw(1.1 1.2 1.3 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10); +} + # ------------- set up temporary directory { $tmpdir = $perlvar{'lonDaemons'}.'/tmp/'; @@ -10510,7 +10438,7 @@ $checkdefauth is optional (value is 1 if authenticate user using default authentication method, and allow account creation if username does not have account in the domain). $clientcancheckhost is optional (value is 1 if checking whether the - server can host will occur on the client side in lonauth.pm). + server can host will occur on the client side in lonauth.pm). =item * X