version 1.28, 2004/10/04 19:11:38
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version 1.29, 2004/11/03 16:13:08
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Line 584 sub GetStudentAnswers {
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Line 584 sub GetStudentAnswers {
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&mt('last student')); |
&mt('last student')); |
$student->{'answer'} = $answer; |
$student->{'answer'} = $answer; |
} |
} |
&Apache::lonstathelpers::write_answer_cache(); |
&Apache::lonstathelpers::write_analysis_cache(); |
return if ($c->aborted()); |
return if ($c->aborted()); |
$r->rflush(); |
$r->rflush(); |
# close progress window |
# close progress window |
Line 633 sub analyze_problem_as_student {
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Line 633 sub analyze_problem_as_student {
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my $returnvalue; |
my $returnvalue; |
my $url = $resource->{'src'}; |
my $url = $resource->{'src'}; |
my $symb = $resource->{'symb'}; |
my $symb = $resource->{'symb'}; |
my $answer = &get_from_answer_cache($sname,$sdom,$symb,$partid,$respid); |
my $analysis = &get_from_analysis_cache($sname,$sdom,$symb); |
if (defined($answer)) { |
if (! defined($analysis)) { |
return($answer); |
&Apache::lonnet::logthis('uncached analysis'); |
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my $courseid = $ENV{'request.course.id'}; |
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my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze', |
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'grade_domain' => $sdom, |
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'grade_username' => $sname, |
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'grade_symb' => $symb, |
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'grade_courseid' => $courseid)); |
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(my $garbage,$analysis)=split(/_HASH_REF__/,$Answ,2); |
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&store_analysis($sname,$sdom,$symb,$analysis); |
} |
} |
my $courseid = $ENV{'request.course.id'}; |
my %Answer=&Apache::lonnet::str2hash($analysis); |
my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze', |
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'grade_domain' => $sdom, |
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'grade_username' => $sname, |
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'grade_symb' => $symb, |
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'grade_courseid' => $courseid)); |
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(my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); |
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my %Answer=&Apache::lonnet::str2hash($Answ); |
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# |
# |
undef($answer); |
my $answer; |
foreach my $partid (@{$resource->{'parts'}}) { |
foreach my $partid (@{$resource->{'parts'}}) { |
my $partdata = $resource->{'partdata'}->{$partid}; |
my $partdata = $resource->{'partdata'}->{$partid}; |
foreach my $respid (@{$partdata->{'ResponseIds'}}) { |
foreach my $respid (@{$partdata->{'ResponseIds'}}) { |
Line 655 sub analyze_problem_as_student {
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Line 656 sub analyze_problem_as_student {
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$answer->{$partid}->{$respid} = &get_answer($prefix,$key,%Answer); |
$answer->{$partid}->{$respid} = &get_answer($prefix,$key,%Answer); |
} |
} |
} |
} |
&store_answer($sname,$sdom,$symb,undef,undef,$answer); |
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if (! defined($partid)) { |
if (! defined($partid)) { |
$returnvalue = $answer; |
$returnvalue = $answer; |
} elsif (! defined($respid)) { |
} elsif (! defined($respid)) { |
Line 700 sub get_answer {
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Line 700 sub get_answer {
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return $returnvalue; |
return $returnvalue; |
} |
} |
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##################################################### |
##################################################### |
##################################################### |
##################################################### |
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Line 710 sub get_answer {
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Line 709 sub get_answer {
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=over 4 |
=over 4 |
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=item &load_answer_cache($symb) |
=item &load_analysis_cache($symb) |
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Loads the cache for the given symb into memory from disk. |
Loads the cache for the given symb into memory from disk. |
Requires the cache filename be set. |
Requires the cache filename be set. |
Line 725 Only should be called by &ensure_proper_
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Line 724 Only should be called by &ensure_proper_
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my $current_symb = undef; |
my $current_symb = undef; |
my %cache; |
my %cache; |
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sub load_answer_cache { |
sub load_analysis_cache { |
my ($symb) = @_; |
my ($symb) = @_; |
return if (! defined($cache_filename)); |
return if (! defined($cache_filename)); |
if (! defined($current_symb) || $current_symb ne $symb) { |
if (! defined($current_symb) || $current_symb ne $symb) { |
Line 748 sub load_answer_cache {
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Line 747 sub load_answer_cache {
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=pod |
=pod |
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=item &get_from_answer_cache($sname,$sdom,$symb,$partid,$respid) |
=item &get_from_analysis_cache($sname,$sdom,$symb,$partid,$respid) |
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Returns the appropriate data from the cache, or undef if no data exists. |
Returns the appropriate data from the cache, or undef if no data exists. |
If $respid is undefined, a hash ref containing the answers for the given |
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$partid is returned. If $partid is undefined, a hash ref containing answers |
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for all of the parts is returned. |
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=cut |
=cut |
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##################################################### |
##################################################### |
##################################################### |
##################################################### |
sub get_from_answer_cache { |
sub get_from_analysis_cache { |
my ($sname,$sdom,$symb,$partid,$respid) = @_; |
my ($sname,$sdom,$symb) = @_; |
&ensure_proper_cache($symb); |
&ensure_proper_cache($symb); |
my $returnvalue; |
my $returnvalue; |
if (exists($cache{$sname.':'.$sdom}) && |
if (exists($cache{$sname.':'.$sdom})) { |
ref($cache{$sname.':'.$sdom}) eq 'HASH') { |
$returnvalue = $cache{$sname.':'.$sdom}; |
if (defined($partid) && |
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exists($cache{$sname.':'.$sdom}->{$partid})) { |
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if (defined($respid) && |
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exists($cache{$sname.':'.$sdom}->{$partid}->{$respid})) { |
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$returnvalue = $cache{$sname.':'.$sdom}->{$partid}->{$respid}; |
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} else { |
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$returnvalue = $cache{$sname.':'.$sdom}->{$partid}; |
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} |
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} else { |
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$returnvalue = $cache{$sname.':'.$sdom}; |
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} |
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} else { |
} else { |
$returnvalue = undef; |
$returnvalue = undef; |
} |
} |
Line 787 sub get_from_answer_cache {
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Line 772 sub get_from_answer_cache {
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=pod |
=pod |
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=item &write_answer_cache($symb) |
=item &write_analysis_cache($symb) |
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Writes the in memory cache to disk so that it can be read in with |
Writes the in memory cache to disk so that it can be read in with |
&load_answer_cache($symb). |
&load_analysis_cache($symb). |
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=cut |
=cut |
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##################################################### |
##################################################### |
##################################################### |
##################################################### |
sub write_answer_cache { |
sub write_analysis_cache { |
return if (! defined($current_symb) || ! defined($cache_filename)); |
return if (! defined($current_symb) || ! defined($cache_filename)); |
my %cache_db; |
my %cache_db; |
my $key = &Apache::lonnet::escape($current_symb); |
my $key = &Apache::lonnet::escape($current_symb); |
Line 820 sub write_answer_cache {
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Line 805 sub write_answer_cache {
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=item &ensure_proper_cache($symb) |
=item &ensure_proper_cache($symb) |
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Called to make sure we have the proper cache set up. This is called |
Called to make sure we have the proper cache set up. This is called |
prior to every answer lookup. |
prior to every analysis lookup. |
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=cut |
=cut |
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Line 830 sub ensure_proper_cache {
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Line 815 sub ensure_proper_cache {
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my ($symb) = @_; |
my ($symb) = @_; |
my $cid = $ENV{'request.course.id'}; |
my $cid = $ENV{'request.course.id'}; |
my $new_filename = '/home/httpd/perl/tmp/'. |
my $new_filename = '/home/httpd/perl/tmp/'. |
'problemanalysis_'.$cid.'_answer_cache.db'; |
'problemanalysis_'.$cid.'_analysis_cache.db'; |
if (! defined($cache_filename) || |
if (! defined($cache_filename) || |
$cache_filename ne $new_filename || |
$cache_filename ne $new_filename || |
! defined($current_symb) || |
! defined($current_symb) || |
$current_symb ne $symb) { |
$current_symb ne $symb) { |
$cache_filename = $new_filename; |
$cache_filename = $new_filename; |
# Notice: $current_symb is not set to $symb until after the cache is |
# Notice: $current_symb is not set to $symb until after the cache is |
# loaded. This is what tells &load_answer_cache to load in a new |
# loaded. This is what tells &load_analysis_cache to load in a new |
# symb cache. |
# symb cache. |
&load_answer_cache($symb); |
&load_analysis_cache($symb); |
$current_symb = $symb; |
$current_symb = $symb; |
} |
} |
} |
} |
Line 849 sub ensure_proper_cache {
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Line 834 sub ensure_proper_cache {
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=pod |
=pod |
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=item &store_answer($sname,$sdom,$symb,$partid,$respid,$dataset) |
=item &store_analysis($sname,$sdom,$symb,$partid,$respid,$dataset) |
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Stores the answer data in the in memory cache. |
Stores the analysis data in the in memory cache. |
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=cut |
=cut |
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##################################################### |
##################################################### |
##################################################### |
##################################################### |
sub store_answer { |
sub store_analysis { |
my ($sname,$sdom,$symb,$partid,$respid,$dataset) = @_; |
my ($sname,$sdom,$symb,$dataset) = @_; |
return if ($symb ne $current_symb); |
return if ($symb ne $current_symb); |
if (defined($partid)) { |
$cache{$sname.':'.$sdom}=$dataset; |
if (defined($respid)) { |
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$cache{$sname.':'.$sdom}->{$partid}->{$respid} = $dataset; |
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} else { |
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$cache{$sname.':'.$sdom}->{$partid} = $dataset; |
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} |
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} else { |
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$cache{$sname.':'.$sdom}=$dataset; |
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} |
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return; |
return; |
} |
} |
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