[BACK]Return to parse_activity_log.pl CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / metadata_database

Diff for /loncom/metadata_database/parse_activity_log.pl between versions 1.15 and 1.21

version 1.15, 2005/07/11 05:16:19 version 1.21, 2005/11/15 20:52:02
Line 48 Line 48
 # parameter is not set $logthis is set to &nothing, which does what you  # parameter is not set $logthis is set to &nothing, which does what you
 # would expect.  # would expect.
 #  #
   BEGIN {
       eval "use Apache2::compat();";
   };
 use strict;  use strict;
 use DBI;  use DBI;
 use lib '/home/httpd/lib/perl/Apache';  use lib '/home/httpd/lib/perl/Apache';
Line 131  if ($log) { Line 133  if ($log) {
     print STDERR "$0: logging to $logfile".$/;      print STDERR "$0: logging to $logfile".$/;
     if (! open(LOGFILE,">$logfile")) {      if (! open(LOGFILE,">$logfile")) {
         warn("Unable to open $logfile for writing.  Run aborted.");          warn("Unable to open $logfile for writing.  Run aborted.");
         exit 5;          &clean_up_and_exit(5);
     } else {      } else {
         $logthis = \&log_to_file;          $logthis = \&log_to_file;
     }      }
Line 144  if ($log) { Line 146  if ($log) {
 my $sourcefilename;   # activity log data  my $sourcefilename;   # activity log data
 my $newfilename;      # $sourcefilename will be renamed to this  my $newfilename;      # $sourcefilename will be renamed to this
 my $error_filename;   # Errors in parsing the activity log will be written here  my $error_filename;   # Errors in parsing the activity log will be written here
   my $chunk_filename;   # where we save data we are not going to write to db
 if ($srcfile) {  if ($srcfile) {
     $sourcefilename = $srcfile;      $sourcefilename = $srcfile;
 } else {  } else {
Line 153  my $sql_filename = $sourcefilename; Line 156  my $sql_filename = $sourcefilename;
 $sql_filename =~ s|[^/]*$|activity.log.sql|;  $sql_filename =~ s|[^/]*$|activity.log.sql|;
 my $gz_sql_filename = $sql_filename.'.gz';  my $gz_sql_filename = $sql_filename.'.gz';
 #  #
   $chunk_filename = $sourcefilename.".unprocessed_chunks";
   #
 my $xml_filename = $sourcefilename;  my $xml_filename = $sourcefilename;
 my $gz_xml_filename = $xml_filename.'.gz';  my $gz_xml_filename = $xml_filename.'.gz';
 if (defined($xmlfile)) {  if (defined($xmlfile)) {
Line 175  $logthis->('Beginning logging '.time); Line 180  $logthis->('Beginning logging '.time);
 #  #
 # Wait for a lock on the lockfile to avoid collisions  # Wait for a lock on the lockfile to avoid collisions
 my $lockfilename = $sourcefilename.'.lock';  my $lockfilename = $sourcefilename.'.lock';
   $newfilename = $sourcefilename.'.processing';
 if (! defined($xmlfile)) {  if (! defined($xmlfile)) {
 open(LOCKFILE,'>'.$lockfilename);      open(LOCKFILE,'>'.$lockfilename);
 if (!flock(LOCKFILE,LOCK_EX)) {      if (!flock(LOCKFILE,LOCK_EX|LOCK_NB)) {
     warn("Unable to lock $lockfilename.  Aborting".$/);          warn("Unable to lock $lockfilename.  Aborting".$/);
     exit 6;          # don't call clean_up_and_exit another instance is running and
 }          # we don't want to 'cleanup' there files
           exit 6;
       }
   
 ##      if (! -e $newfilename && -e $sourcefilename) {
 ## There will only be a $newfilename file if a copy of this program is already          $logthis->('renaming '.$sourcefilename.' to '.$newfilename);
 ## running.          rename($sourcefilename,$newfilename);
 my $newfilename = $sourcefilename.'.processing';          Copy($newfilename,$newfilename.'.'.time) if ($backup);
 if (-e $newfilename) {          $logthis->("renamed $sourcefilename to $newfilename");
     warn "$newfilename exists";      } elsif (! -e $newfilename) {
     $logthis->($newfilename.' exists, so I cannot work on it.');          utime(undef,undef,$newfilename);
     exit 2;      }
 }  
   
 if (-e $sourcefilename) {  
     $logthis->('renaming '.$sourcefilename.' to '.$newfilename);  
     rename($sourcefilename,$newfilename);  
     Copy($newfilename,$newfilename.'.'.time) if ($backup);  
     $logthis->("renamed $sourcefilename to $newfilename");  
 } else {  
     my $command = 'touch '.$newfilename;  
     $logthis->($command);  
     system($command);  
     $logthis->('touch was completed');  
 }  }
   
 close(LOCKFILE);  
 }  
 ##  ##
 ## Table definitions  ## Table definitions
 ##  ##
Line 312  $logthis->('Connectiong to mysql'); Line 306  $logthis->('Connectiong to mysql');
 if (!&Apache::lonmysql::verify_sql_connection()) {  if (!&Apache::lonmysql::verify_sql_connection()) {
     warn "Unable to connect to MySQL database.";      warn "Unable to connect to MySQL database.";
     $logthis->("Unable to connect to MySQL database.");      $logthis->("Unable to connect to MySQL database.");
     exit 3;      &clean_up_and_exit(3);
 }  }
 $logthis->('SQL connection is up');  $logthis->('SQL connection is up');
   
Line 359  if (-s $gz_sql_filename && ! -s $gz_xml_ Line 353  if (-s $gz_sql_filename && ! -s $gz_xml_
 }  }
   
 if (defined($xmlfile)) {  if (defined($xmlfile)) {
     exit(0);      &clean_up_and_exit(0);
 }  }
   
 ##  ##
Line 369  $logthis->('creating tables'); Line 363  $logthis->('creating tables');
 if (! &create_tables()) {  if (! &create_tables()) {
     warn "Unable to create tables";      warn "Unable to create tables";
     $logthis->('Unable to create tables');      $logthis->('Unable to create tables');
     exit 4;      &clean_up_and_exit(4);
 }  }
   
 ##  ##
Line 390  if (-s $newfilename) { Line 384  if (-s $newfilename) {
     if (! defined($result)) {      if (! defined($result)) {
         # Something went wrong along the way...          # Something went wrong along the way...
         $logthis->('process_courselog returned undef');          $logthis->('process_courselog returned undef');
         exit 5;          &clean_up_and_exit(5);
     } elsif ($result > 0) {      } elsif ($result > 0) {
         $time_this->();          $time_this->();
         $logthis->('process_courselog returned '.$result.'.'.$/.          $logthis->('process_courselog returned '.$result.'.'.$/.
Line 418  if ($time_run) { Line 412  if ($time_run) {
     $logthis->(&outputtimes());      $logthis->(&outputtimes());
 }  }
   
 if ($log) {  &clean_up_and_exit(0);
     close LOGFILE;  
 }  
   
 foreach my $file ($lockfilename, $error_filename,$logfile) {  ########################################################
     if (defined($file) && -z $file) {   ########################################################
         unlink($file);   
   sub clean_up_and_exit {
       my ($exit_code) = @_;
       # Close files
       close(LOCKFILE);
       close(LOGFILE);
       # Remove zero length files
       foreach my $file ($lockfilename, $error_filename,$logfile) {
           if (defined($file) && -z $file) { 
               unlink($file); 
           }
     }      }
 }  
   
 exit 0;   # Everything is okay, so end here before it gets worse.      exit $exit_code;
   }
   
 ########################################################  ########################################################
 ########################################################  ########################################################
Line 489  sub process_courselog { Line 491  sub process_courselog {
         if (! defined($host)) { $host = 'unknown'; }          if (! defined($host)) { $host = 'unknown'; }
         my $prevchunk = 'none';          my $prevchunk = 'none';
         foreach my $chunk (split(/\&\&\&/,$log)) {          foreach my $chunk (split(/\&\&\&/,$log)) {
               if (length($chunk) > 20000) {
                   # avoid putting too much data into the database
                   # (usually an uploaded file or something similar)
                   if (! &savechunk(\$chunk,$timestamp,$host)) {
                       close(IN);
                       return undef;
                   }
                   next;
               }
             my $warningflag = '';              my $warningflag = '';
     my ($time,$res,$uname,$udom,$action,@values)= split(/:/,$chunk);      my ($time,$res,$uname,$udom,$action,@values)= split(/:/,$chunk);
               #
             if (! defined($res) || $res =~ /^\s*$/) {              if (! defined($res) || $res =~ /^\s*$/) {
                 $res = '/adm/roles';                  $res = '/adm/roles';
                 $action = 'LOGIN';                  $action = 'LOGIN';
Line 504  sub process_courselog { Line 516  sub process_courselog {
             if ($action !~ /^(LOGIN|VIEW|POST|CSTORE|STORE)$/) {              if ($action !~ /^(LOGIN|VIEW|POST|CSTORE|STORE)$/) {
                 $warningflag .= 'action';                  $warningflag .= 'action';
                 print $error_fh 'full log entry:'.$log.$/;                  print $error_fh 'full log entry:'.$log.$/;
                 print $error_fh 'error on chunk:'.$chunk.$/;                  print $error_fh 'error on chunk (saving)'.$/;
                 $logthis->('(action) Unable to parse '.$/.$chunk.$/.                  if (! &savechunk(\$chunk,$timestamp,$host)) {
                       close(IN);
                       return undef;
                   }
                   $logthis->('(action) Unable to parse chunk'.$/.
                          'got '.                           'got '.
                          'time = '.$time.$/.                           'time = '.$time.$/.
                          'res  = '.$res.$/.                           'res  = '.$res.$/.
Line 542  sub process_courselog { Line 558  sub process_courselog {
     }      }
     close IN;      close IN;
     return $linecount;      return $linecount;
       ##
       ##
       sub savechunk {
           my ($chunkref,$timestamp,$host) = @_;
           my $chunk = &escape(${$chunkref});
           if (! open(CHUNKFILE,">>$chunk_filename") ||
               ! print CHUNKFILE $timestamp.':'.$host.':'.$chunk.$/) {
               # abort
               close(CHUNKFILE);
               return 0;
           }
           close(CHUNKFILE);
           return 1;
       }
 }  }
   
   
Line 718  sub read_id_tables { Line 748  sub read_id_tables {
   
 sub get_id {  sub get_id {
     my ($table,$fieldname,$value) = @_;      my ($table,$fieldname,$value) = @_;
     if (exists($IDs{$table}->{$value})) {      if (exists($IDs{$table}->{$value}) && $IDs{$table}->{$value} =~ /^\d+$/) {
         return $IDs{$table}->{$value};          return $IDs{$table}->{$value};
     } else {      } else {
         # insert into the table - if the item already exists, that is          # insert into the table - if the item already exists, that is
         # okay.          # okay.
         my $result = &Apache::lonmysql::store_row($table,[undef,$value]);          my $result = &Apache::lonmysql::store_row($table,[undef,$value]);
         if (! defined($result)) {          if (! defined($result)) {
             warn("Got error on id insert for $value\n".&Apache::lonmysql::get_error());              warn("Got error on id insert for $value\n".
                    &Apache::lonmysql::get_error());
         }          }
         # get the id          # get the id
         my @Data =           my $id = &Apache::lonmysql::get_dbh()->{'mysql_insertid'};
             &Apache::lonmysql::get_rows($table,qq{$fieldname='$value'});          if (defined($id)) {
         if (@Data) {              $IDs{$table}->{$value}=$id;
             $IDs{$table}->{$value}=$Data[0]->[0];  
             return $IDs{$table}->{$value};  
         } else {          } else {
             $logthis->("Unable to retrieve id for $table $fieldname $value");              $logthis->("Unable to retrieve id for $table $fieldname $value");
             return undef;              return undef;
Line 812  sub backup_tables_as_xml { Line 841  sub backup_tables_as_xml {
     my %ids = ();      my %ids = ();
 sub load_backup_xml_tables {  sub load_backup_xml_tables {
     my ($filename,$tables) = @_;      my ($filename,$tables) = @_;
       my $dbh = &Apache::lonmysql::get_dbh();
     my $xmlfh;      my $xmlfh;
     open($xmlfh,"cat $filename | gzip -d - |");      open($xmlfh,"cat $filename | gzip -d - |");
     if (! defined($xmlfh)) {      if (! defined($xmlfh)) {
Line 839  sub load_backup_xml_tables { Line 869  sub load_backup_xml_tables {
         my $resource_id = &xml_get_id('resource',$resource);          my $resource_id = &xml_get_id('resource',$resource);
         my $student_id  = &xml_get_id('student',$student);          my $student_id  = &xml_get_id('student',$student);
         my $machine_id  = &xml_get_id('machine',$machine);          my $machine_id  = &xml_get_id('machine',$machine);
         &xml_store_activity_row(map { defined($_)?qq{'$_'}:''           &xml_store_activity_row(map { defined($_)?$dbh->quote($_):'' 
                                   } ($resource_id,                                    } ($resource_id,
                                      $time,                                       $time,
                                      $student_id,                                       $student_id,
Line 891  sub xml_store_activity_row { Line 921  sub xml_store_activity_row {
   
 sub xml_store_id_table {  sub xml_store_id_table {
     my ($table,$tabledata) =@_;      my ($table,$tabledata) =@_;
       my $dbh = &Apache::lonmysql::get_dbh();
     if (! &Apache::lonmysql::bulk_store_rows      if (! &Apache::lonmysql::bulk_store_rows
         ($tables{$table},2,          ($tables{$table},2,
          [map{[$tabledata->{$_},qq{"$_"}]} keys(%$tabledata)])) {           [map{[$tabledata->{$_},$dbh->quote($_)]} keys(%$tabledata)])) {
         $logthis->("Error:".&Apache::lonmysql::get_error());          $logthis->("Error:".&Apache::lonmysql::get_error());
         warn "Error:".&Apache::lonmysql::get_error().$/;          warn "Error:".&Apache::lonmysql::get_error().$/;
     }      }
Removed from v.1.15  
changed lines
  Added in v.1.21

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>