--- loncom/interface/loncommon.pm 2008/03/18 23:00:51 1.636.2.3 +++ loncom/interface/loncommon.pm 2008/04/04 16:48:42 1.636.2.6 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.636.2.3 2008/03/18 23:00:51 raeburn Exp $ +# $Id: loncommon.pm,v 1.636.2.6 2008/04/04 16:48:42 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -78,6 +78,75 @@ my $readit; ## Global Variables ## +# ----------------------------------------------- SSI with retries: +# + +=pod + +=head1 Server Side include with retries: + +=over 4 + +=item * &ssi_with_retries(resource,retries form) + +Performs an ssi with some number of retries. Retries continue either +until the result is ok or until the retry count supplied by the +caller is exhausted. + +Inputs: + +=over 4 + +resource - Identifies the resource to insert. + +retries - Count of the number of retries allowed. + +form - Hash that identifies the rendering options. + +=back + +Returns: + +=over 4 + +content - The content of the response. If retries were exhausted this is empty. + +response - The response from the last attempt (which may or may not have been successful. + +=back + +=back + +=cut + +sub ssi_with_retries { + my ($resource, $retries, %form) = @_; + + + my $ok = 0; # True if we got a good response. + my $content; + my $response; + + # Try to get the ssi done. within the retries count: + + do { + ($content, $response) = &Apache::lonnet::ssi($resource, %form); + $ok = $response->is_success; + if (!$ok) { + &Apache::lonnet::logthis("Failed ssi_with_retries on $resource: ".$response->is_success.', '.$response->code.', '.$response->message); + } + $retries--; + } while (!$ok && ($retries > 0)); + + if (!$ok) { + $content = ''; # On error return an empty content. + } + return ($content, $response); + +} + + + # ----------------------------------------------- Filetypes/Languages/Copyright my %language; my %supported_language; @@ -3110,7 +3179,7 @@ sub get_student_view { } if (defined($target)) { $form{'grade_target'} = $target; } $feedurl=&Apache::lonnet::clutter($feedurl); - my $userview=&Apache::lonnet::ssi_body($feedurl,%form); + my ($userview,$response)=&Apache::lonnet::ssi_body($feedurl,%form); $userview=~s/\]*\>//gi; $userview=~s/\<\/body\>//gi; $userview=~s/\//gi; @@ -3119,7 +3188,39 @@ sub get_student_view { $userview=~s/\<\/head\>//gi; $userview=~s/action\s*\=/would_be_action\=/gi; $userview=&relative_to_absolute($feedurl,$userview); - return $userview; + if (wantarray) { + return ($userview,$response); + } else { + return $userview; + } +} + +sub get_student_view_with_retries { + my ($symb,$retries,$username,$domain,$courseid,$target,$moreenv) = @_; + + my $ok = 0; # True if we got a good response. + my $content; + my $response; + + # Try to get the student_view done. within the retries count: + + do { + ($content, $response) = &get_student_view($symb,$username,$domain,$courseid,$target,$moreenv); + $ok = $response->is_success; + if (!$ok) { + &Apache::lonnet::logthis("Failed get_student_view_with_retries on $symb: ".$response->is_success.', '.$response->code.', '.$response->message); + } + $retries--; + } while (!$ok && ($retries > 0)); + + if (!$ok) { + $content = ''; # On error return an empty content. + } + if (wantarray) { + return ($content, $response); + } else { + return $content; + } } =pod @@ -3981,7 +4082,7 @@ ENDROLE $dc_info = '('.$dc_info.')'; } - if ($env{'environment.remote'} eq 'off') { + if (($env{'environment.remote'} eq 'off') || ($args->{'suppress_header_logos'})) { # No Remote if ($env{'request.state'} eq 'construct') { $forcereg=1;