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Diff for /loncom/lonsql between versions 1.21 and 1.37

version 1.21, 2001/03/27 13:35:35 version 1.37, 2001/10/17 02:15:59
Line 3 Line 3
 # 7/25 Gerd Kortemeyer  # 7/25 Gerd Kortemeyer
 # many different dates Scott Harrison  # many different dates Scott Harrison
 # 03/22/2001 Scott Harrison  # 03/22/2001 Scott Harrison
   # 8/30 Gerd Kortemeyer
   
 use IO::Socket;  use IO::Socket;
 use Symbol;  use Symbol;
 use POSIX;  use POSIX;
Line 19  require "find.pl"; Line 21  require "find.pl";
 sub wanted {  sub wanted {
     (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) &&      (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) &&
     -f _ &&      -f _ &&
     /^.*\.meta$/ &&      /^.*\.meta$/ && !/^.+\.\d+\.[^\.]+\.meta$/ &&
     push(@metalist,"$dir/$_");      push(@metalist,"$dir/$_");
 }  }
   
   
 $childmaxattempts=10;  $childmaxattempts=10;
 $run =0;#running counter to generate the query-id  $run =0;#running counter to generate the query-id
   
Line 39  while ($configline=<CONFIG>) { Line 40  while ($configline=<CONFIG>) {
 }  }
 close(CONFIG);  close(CONFIG);
   
   # ------------------------------------- Make sure that database can be accessed
   {
       my $dbh;
       unless (
       $dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
       ) { 
    print "Cannot connect to database!\n";
    exit;
       }
       else {
    $dbh->disconnect;
       }
   }
   
 # --------------------------------------------- Check if other instance running  # --------------------------------------------- Check if other instance running
   
 my $pidfile="$perlvar{'lonDaemons'}/logs/lonsql.pid";  my $pidfile="$perlvar{'lonDaemons'}/logs/lonsql.pid";
Line 60  while ($configline=<CONFIG>) { Line 75  while ($configline=<CONFIG>) {
     chomp($ip);      chomp($ip);
   
     $hostip{$ip}=$id;      $hostip{$ip}=$id;
   
     if ($id eq $perlvar{'lonHostID'}) { $thisserver=$name; }      if ($id eq $perlvar{'lonHostID'}) { $thisserver=$name; }
   
     $PREFORK++;      $PREFORK++;
 }  }
 close(CONFIG);  close(CONFIG);
   
   $PREFORK=int($PREFORK/4);
   
 $unixsock = "mysqlsock";  $unixsock = "mysqlsock";
 my $localfile="$perlvar{'lonSockDir'}/$unixsock";  my $localfile="$perlvar{'lonSockDir'}/$unixsock";
 my $server;  my $server;
Line 191  sub make_new_child { Line 207  sub make_new_child {
         #open database handle          #open database handle
  # making dbh global to avoid garbage collector   # making dbh global to avoid garbage collector
  unless (   unless (
  $dbh = DBI->connect("DBI:mysql:loncapa","www","123",{ RaiseError =>0,PrintError=>0})   $dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
  ) {    ) { 
             my $st=120+int(rand(240));               sleep(10+int(rand(20)));
     &logthis("<font color=blue>WARNING: Couldn't connect to database  ($st secs): $@</font>");      &logthis("<font color=blue>WARNING: Couldn't connect to database  ($st secs): $@</font>");
     print "database handle error\n";      print "database handle error\n";
     sleep($st);  
     exit;      exit;
   
   };    };
Line 225  sub make_new_child { Line 240  sub make_new_child {
     $queryid .= $run;      $queryid .= $run;
     print $client "$queryid\n";      print $client "$queryid\n";
           
       &logthis("QUERY: $query");
       &logthis("QUERY: $query");
       sleep 1;
             #prepare and execute the query              #prepare and execute the query
     my $sth = $dbh->prepare($query);      my $sth = $dbh->prepare($query);
     my $result;      my $result;
     my @files;      my @files;
     unless ($sth->execute())      my $subsetflag=0;
     {      if ($query) {
  &logthis("<font color=blue>WARNING: Could not retrieve from database: $@</font>");   unless ($sth->execute())
  $result="";   {
     }      &logthis("<font color=blue>WARNING: Could not retrieve from database: $@</font>");
     else {      $result="";
  my $r1=$sth->fetchall_arrayref;   }
  my @r2;   else {
  map {my $a=$_;       my $r1=$sth->fetchall_arrayref;
      my @b=map {escape($_)} @$a;      my @r2;
      push @files,@{$a}[3];      map {my $a=$_; 
      push @r2,join(",", @b)   my @b=map {escape($_)} @$a;
      } (@$r1);   push @files,@{$a}[3];
  $result=join("&",@r2);   push @r2,join(",", @b)
    } (@$r1);
       $result=join("&",@r2);
    }
     }      }
   
     # do custom metadata searching here and build into result      # do custom metadata searching here and build into result
     if ($custom) {      if ($custom or $customshow) {
  &logthis("am going to do custom query for $custom");   &logthis("am going to do custom query for $custom");
  if (@files) {   if ($query) {
     @metalist=map {$perlvar{'lonDocRoot'}.$_.'meta'} @files;      @metalist=map {$perlvar{'lonDocRoot'}.$_.'.meta'} @files;
  }   }
  else {   else {
     @metalist=(); pop @metalist;      @metalist=(); pop @metalist;
     &find("$perlvar{'lonDocRoot'}/res");      opendir(RESOURCES,"$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}");
       my @homeusers=grep
             {&ishome("$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}/$_")}
             grep {!/^\.\.?$/} readdir(RESOURCES);
       closedir RESOURCES;
       foreach my $user (@homeusers) {
    &find("$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}/$user");
       }
  }   }
 # &logthis("FILELIST:" . join(":::",@metalist));  # &logthis("FILELIST:" . join(":::",@metalist));
  # if file is indicated in sql database and   # if file is indicated in sql database and
Line 262  sub make_new_child { Line 289  sub make_new_child {
  # if file is indicated in sql database and is   # if file is indicated in sql database and is
  # part of query result list, then do the pattern match.   # part of query result list, then do the pattern match.
  my $customresult='';   my $customresult='';
    my @r2;
  foreach my $m (@metalist) {   foreach my $m (@metalist) {
     my $fh=IO::File->new($m);      my $fh=IO::File->new($m);
     my @lines=<$fh>;      my @lines=<$fh>;
Line 271  sub make_new_child { Line 299  sub make_new_child {
        'creationdate','keywords','language',         'creationdate','keywords','language',
        'lastrevisiondate','mime','notes',         'lastrevisiondate','mime','notes',
        'owner','subject','title') {         'owner','subject','title') {
     $stuff=~s/\n?\<$f[^\>]*\>.*?<\/$f[^\>]*\>\n?//;      $stuff=~s/\n?\<$f[^\>]*\>.*?<\/$f[^\>]*\>\n?//s;
  }   }
  my $m2=$m; my $docroot=$perlvar{'lonDocRoot'};   my $m2=$m; my $docroot=$perlvar{'lonDocRoot'};
  $m2=~s/^$docroot//; $m2=~s/\.meta$//;   $m2=~s/^$docroot//;
    $m2=~s/\.meta$//;
    unless ($query) {
       my $q2="select * from metadata where url like binary '$m2'";
       my $sth = $dbh->prepare($q2);
       $sth->execute();
       my $r1=$sth->fetchall_arrayref;
       map {my $a=$_; 
    my @b=map {escape($_)} @$a;
    push @files,@{$a}[3];
    push @r2,join(",", @b)
    } (@$r1);
    }
 # &logthis("found: $stuff");  # &logthis("found: $stuff");
  $customresult.='&custom='.escape($m2).','.escape($stuff);   $customresult.='&custom='.escape($m2).','.escape($stuff);
     }      }
  }   }
    $result=join("&",@r2) unless $query;
  $result.=$customresult;   $result.=$customresult;
     }      }
     # reply with result      # reply with result
Line 333  sub reply { Line 374  sub reply {
     }      }
   } else {    } else {
     $answer='self_reply';      $answer='self_reply';
       $answer=subreply($cmd,$server);
   }     } 
   return $answer;    return $answer;
 }  }
Line 352  sub unescape { Line 394  sub unescape {
     $str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;      $str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
     return $str;      return $str;
 }  }
   
   # --------------------------------------- Is this the home server of an author?
   # (copied from lond, modification of the return value)
   sub ishome {
       my $author=shift;
       $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
       my ($udom,$uname)=split(/\//,$author);
       my $proname=propath($udom,$uname);
       if (-e $proname) {
    return 1;
       } else {
           return 0;
       }
   }
   
   # -------------------------------------------- Return path to profile directory
   # (copied from lond)
   sub propath {
       my ($udom,$uname)=@_;
       $udom=~s/\W//g;
       $uname=~s/\W//g;
       my $subdir=$uname.'__';
       $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
       my $proname="$perlvar{'lonUsersDir'}/$udom/$subdir/$uname";
       return $proname;
   } 
Removed from v.1.21  
changed lines
  Added in v.1.37

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