--- loncom/lonnet/perl/lonnet.pm 2010/10/01 14:26:07 1.1056.4.11
+++ loncom/lonnet/perl/lonnet.pm 2010/08/20 18:17:04 1.1082
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.1056.4.11 2010/10/01 14:26:07 raeburn Exp $
+# $Id: lonnet.pm,v 1.1082 2010/08/20 18:17:04 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 '.$checkserver);
- return 413;
- }
- return '';
-}
-
# ------------------------------ Find server with least workload from spare.tab
sub spareserver {
@@ -756,18 +732,8 @@ sub spareserver {
if ($userloadpercent !~ /\d/) { $userloadpercent=0; }
my $lowest_load=($loadpercent > $userloadpercent) ? $loadpercent
: $userloadpercent;
- my ($uint_dom,$remotesessions);
- if ($env{'user.domain'}) {
- my $uprimary_id = &Apache::lonnet::domain($env{'user.domain'},'primary');
- $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
- my %udomdefaults = &Apache::lonnet::get_domain_defaults($env{'user.domain'});
- $remotesessions = $udomdefaults{'remotesessions'};
- }
+
foreach my $try_server (@{ $spareid{'primary'} }) {
- if ($uint_dom) {
- next unless (&spare_can_host($env{'user.domain'},$uint_dom,
- $remotesessions,$try_server));
- }
($spare_server, $lowest_load) =
&compare_server_load($try_server, $spare_server, $lowest_load);
}
@@ -776,10 +742,6 @@ sub spareserver {
if (!$found_server) {
foreach my $try_server (@{ $spareid{'default'} }) {
- if ($uint_dom) {
- next unless (&spare_can_host($env{'user.domain'},$uint_dom,
- $remotesessions,$try_server));
- }
($spare_server, $lowest_load) =
&compare_server_load($try_server, $spare_server, $lowest_load);
}
@@ -792,7 +754,7 @@ sub spareserver {
}
if (defined($spare_server)) {
my $hostname = &hostname($spare_server);
- if (defined($hostname)) {
+ if (defined($hostname)) {
$spare_server = $protocol.'://'.$hostname;
}
}
@@ -807,7 +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;
@@ -1028,26 +990,6 @@ sub can_host_session {
return $canhost;
}
-sub spare_can_host {
- my ($udom,$uint_dom,$remotesessions,$try_server)=@_;
- my $canhost=1;
- my @intdoms;
- my $internet_names = &Apache::lonnet::get_internet_names($try_server);
- if (ref($internet_names) eq 'ARRAY') {
- @intdoms = @{$internet_names};
- }
- unless (grep(/^\Q$uint_dom\E$/,@intdoms)) {
- my $serverhomeID = &Apache::lonnet::get_server_homeID($try_server);
- my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
- my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom);
- my $remoterev = &Apache::lonnet::get_server_loncaparev(undef,$try_server);
- $canhost = &can_host_session($udom,$try_server,$remoterev,
- $remotesessions,
- $defdomdefaults{'hostedsessions'});
- }
- return $canhost;
-}
-
# ---------------------- Find the homebase for a user from domain's lib servers
my %homecache;
@@ -1757,8 +1699,7 @@ sub getsection {
# If there is a role which has expired, return it.
#
$courseid = &courseid_to_courseurl($courseid);
- my $extra = &freeze_escape({'skipcheck' => 1});
- my %roleshash = &dump('roles',$udom,$unam,$courseid,undef,$extra);
+ my %roleshash = &dump('roles',$udom,$unam,$courseid);
foreach my $key (keys(%roleshash)) {
next if ($key !~/^\Q$courseid\E(?:\/)*(\w+)*\_st$/);
my $section=$1;
@@ -3061,8 +3002,7 @@ sub get_my_roles {
unless (defined($udom)) { $udom=$env{'user.domain'}; }
my (%dumphash,%nothide);
if ($context eq 'userroles') {
- my $extra = &freeze_escape({'skipcheck' => 1});
- %dumphash = &dump('roles',$udom,$uname,'.',undef,$extra);
+ %dumphash = &dump('roles',$udom,$uname);
} else {
%dumphash=
&dump('nohist_userroles',$udom,$uname);
@@ -3390,7 +3330,7 @@ sub get_domain_roles {
return %personnel;
}
-# ----------------------------------------------------------- Check out an item
+# ----------------------------------------------------------- Interval timing
sub get_first_access {
my ($type,$argsymb)=@_;
@@ -3426,91 +3366,6 @@ 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("<font color=\"blue\">WARNING: ".
- "Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb.
- "</font>");
- 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,$tuname) eq 'ok') {
- return '';
- } else {
- &logthis("<font color=\"blue\">WARNING: ".
- "Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb.
- "</font>");
- }
-
- if (&log($tudom,$tuname,&homeserver($tuname,$tudom),
- &escape('Checkout '.$infostr.' - '.
- $token)) ne 'ok') {
- return '';
- } else {
- &logthis("<font color=\"blue\">WARNING: ".
- "Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb.
- "</font>");
- }
- 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 {
@@ -4126,7 +3981,7 @@ sub rolesinit {
my ($domain,$username,$authhost)=@_;
my $now=time;
my %userroles = ('user.login.time' => $now);
- my $extra = &freeze_escape({'skipcheck' => 1});
+ my $extra = &freeze_escape({'clientcheckrole' => 1});
my $rolesdump=reply("dump:$domain:$username:roles:.::$extra",$authhost);
if (($rolesdump eq 'con_lost') || ($rolesdump eq '') ||
($rolesdump =~ /^error:/)) {
@@ -4255,7 +4110,7 @@ sub set_userprivs {
my $adv=0;
my %grouproles = ();
if (keys(%{$allgroups}) > 0) {
- my @groupkeys;
+ my @groupkeys;
foreach my $role (keys(%{$allroles})) {
push(@groupkeys,$role);
}
@@ -4331,7 +4186,7 @@ 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\//) {
@@ -4348,7 +4203,7 @@ sub role_status {
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 = $1;
@@ -4477,7 +4332,7 @@ sub del {
# -------------------------------------------------------------- dump interface
sub dump {
- my ($namespace,$udomain,$uname,$regexp,$range,$extra)=@_;
+ my ($namespace,$udomain,$uname,$regexp,$range)=@_;
if (!$udomain) { $udomain=$env{'user.domain'}; }
if (!$uname) { $uname=$env{'user.name'}; }
my $uhome=&homeserver($uname,$udomain);
@@ -4486,7 +4341,7 @@ sub dump {
} else {
$regexp='.';
}
- my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range:$extra",$uhome);
+ my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome);
my @pairs=split(/\&/,$rep);
my %returnhash=();
foreach my $item (@pairs) {
@@ -5031,7 +4886,7 @@ sub is_portfolio_file {
}
sub usertools_access {
- my ($uname,$udom,$tool,$action,$context,$userenvref,$domdefref,$is_advref) = @_;
+ my ($uname,$udom,$tool,$action,$context) = @_;
my ($access,%tools);
if ($context eq '') {
$context = 'tools';
@@ -5073,14 +4928,9 @@ sub usertools_access {
$toolstatus = $env{'environment.'.$context.'.'.$tool};
$inststatus = $env{'environment.inststatus'};
} else {
- if (ref($userenvref) eq 'HASH') {
- $toolstatus = $userenvref->{$context.'.'.$tool};
- $inststatus = $userenvref->{'inststatus'};
- } else {
- my %userenv = &userenvironment($udom,$uname,$context.'.'.$tool,'inststatus');
- $toolstatus = $userenv{$context.'.'.$tool};
- $inststatus = $userenv{'inststatus'};
- }
+ my %userenv = &userenvironment($udom,$uname,$context.'.'.$tool,'inststatus');
+ $toolstatus = $userenv{$context.'.'.$tool};
+ $inststatus = $userenv{'inststatus'};
}
if ($toolstatus ne '') {
@@ -5092,17 +4942,8 @@ sub usertools_access {
return $access;
}
- my ($is_adv,%domdef);
- if (ref($is_advref) eq 'HASH') {
- $is_adv = $is_advref->{'is_adv'};
- } else {
- $is_adv = &is_advanced_user($udom,$uname);
- }
- if (ref($domdefref) eq 'HASH') {
- %domdef = %{$domdefref};
- } else {
- %domdef = &get_domain_defaults($udom);
- }
+ my $is_adv = &is_advanced_user($udom,$uname);
+ my %domdef = &get_domain_defaults($udom);
if (ref($domdef{$tool}) eq 'HASH') {
if ($is_adv) {
if ($domdef{$tool}{'_LC_adv'} ne '') {
@@ -5176,11 +5017,6 @@ sub is_course_owner {
sub is_advanced_user {
my ($udom,$uname) = @_;
- if ($udom ne '' && $uname ne '') {
- if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
- return $env{'user.adv'};
- }
- }
my %roleshash = &get_my_roles($uname,$udom,'userroles',undef,undef,undef,1);
my %allroles;
my $is_adv;
@@ -6466,8 +6302,7 @@ sub get_users_groups {
} else {
$grouplist = '';
my $courseurl = &courseid_to_courseurl($courseid);
- my $extra = &freeze_escape({'skipcheck' => 1});
- my %roleshash = &dump('roles',$udom,$uname,$courseurl,undef,$extra);
+ my %roleshash = &dump('roles',$udom,$uname,$courseurl);
my $access_end = $env{'course.'.$courseid.
'.default_enrollment_end_date'};
my $now = time;
@@ -6821,7 +6656,7 @@ sub modifyuser {
}
&logthis('Call to modify user '.$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'}.
@@ -6967,12 +6802,9 @@ sub modifyuser {
return 'ok';
}
my $reply = &put('environment', \%names, $udom,$uname);
- if ($reply ne 'ok') {
+ if ($reply ne 'ok') {
return 'error: '.$reply;
}
- if ($names{'permanentemail'} ne $oldnames{'permanentemail'}) {
- &Apache::lonnet::devalidate_cache_new('emailscache',$uname.':'.$udom);
- }
my $sqlresult = &update_allusers_table($uname,$udom,\%names);
&devalidate_cache_new('namescache',$uname.':'.$udom);
$logmsg = 'Success modifying user '.$logmsg;
@@ -8508,6 +8340,7 @@ sub add_prefix_and_part {
# ---------------------------------------------------------------- Get metadata
my %metaentry;
+my %importedpartids;
sub metadata {
my ($uri,$what,$liburi,$prefix,$depthcount)=@_;
$uri=&declutter($uri);
@@ -8534,6 +8367,10 @@ 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?
#
@@ -8617,27 +8454,55 @@ 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=($impfile=~/<part[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
+ if ($#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);
@@ -8645,8 +8510,16 @@ 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'};
}
@@ -8720,6 +8593,22 @@ 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);
@@ -10085,7 +9974,7 @@ 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;
}
@@ -10115,7 +10004,7 @@ sub get_dns {
sub get_unique_servers {
my %unique = reverse &get_servers(@_);
- return reverse %unique;
+ return reverse %unique;
}
sub host_domain {
@@ -10651,7 +10540,7 @@ $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<homeserver()>