version 1.10, 2001/03/22 19:25:52
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version 1.31, 2001/04/11 20:05:29
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Line 23 sub wanted {
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Line 23 sub wanted {
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push(@metalist,"$dir/$_"); |
push(@metalist,"$dir/$_"); |
} |
} |
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$childmaxattempts=10; |
$childmaxattempts=10; |
$run =0;#running counter to generate the query-id |
$run =0;#running counter to generate the query-id |
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Line 39 while ($configline=<CONFIG>) {
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Line 38 while ($configline=<CONFIG>) {
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} |
} |
close(CONFIG); |
close(CONFIG); |
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# ------------------------------------- Make sure that database can be accessed |
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{ |
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my $dbh; |
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unless ( |
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$dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0}) |
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) { |
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print "Cannot connect to database!\n"; |
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exit; |
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} |
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else { |
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$dbh->disconnect; |
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} |
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} |
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# --------------------------------------------- Check if other instance running |
# --------------------------------------------- Check if other instance running |
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my $pidfile="$perlvar{'lonDaemons'}/logs/lonsql.pid"; |
my $pidfile="$perlvar{'lonDaemons'}/logs/lonsql.pid"; |
Line 191 sub make_new_child {
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Line 204 sub make_new_child {
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#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); |
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exit; |
exit; |
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}; |
}; |
Line 212 sub make_new_child {
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Line 224 sub make_new_child {
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my $userinput = <$client>; |
my $userinput = <$client>; |
chomp($userinput); |
chomp($userinput); |
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my ($conserver,$querytmp,$customtmp)=split(/&/,$userinput); |
my ($conserver,$querytmp, |
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$customtmp,$customshowtmp)=split(/&/,$userinput); |
my $query=unescape($querytmp); |
my $query=unescape($querytmp); |
my $custom=unescape($customtmp); |
my $custom=unescape($customtmp); |
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my $customshow=unescape($customshowtmp); |
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#send query id which is pid_unixdatetime_runningcounter |
#send query id which is pid_unixdatetime_runningcounter |
$queryid = $thisserver; |
$queryid = $thisserver; |
Line 223 sub make_new_child {
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Line 237 sub make_new_child {
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$queryid .= $run; |
$queryid .= $run; |
print $client "$queryid\n"; |
print $client "$queryid\n"; |
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&logthis("QUERY: $query"); |
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&logthis("QUERY: $query"); |
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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 $result; |
unless ($sth->execute()) |
my @files; |
{ |
my $subsetflag=0; |
&logthis("<font color=blue>WARNING: Could not retrieve from database: $@</font>"); |
if ($query) { |
$result=""; |
unless ($sth->execute()) |
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{ |
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&logthis("<font color=blue>WARNING: Could not retrieve from database: $@</font>"); |
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$result=""; |
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} |
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else { |
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my $r1=$sth->fetchall_arrayref; |
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my @r2; |
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map {my $a=$_; |
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my @b=map {escape($_)} @$a; |
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push @files,@{$a}[3]; |
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push @r2,join(",", @b) |
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} (@$r1); |
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$result=join("&",@r2); |
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} |
} |
} |
else { |
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my $r1=$sth->fetchall_arrayref; |
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my @r2; map {my $a=$_; my @b=map {escape($_)} @$a; push @r2,join(",", @b)} (@$r1); |
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$result=join("&",@r2) . "\n"; |
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} |
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# 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 $custom"); |
@metalist=(); pop @metalist; |
if ($query) { |
&find("$perlvar{'lonDocRoot'}/res"); |
@metalist=map {$perlvar{'lonDocRoot'}.$_.'.meta'} @files; |
&logthis("FILELIST:" . join(":::",@metalist)); |
} |
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else { |
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@metalist=(); pop @metalist; |
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&find("$perlvar{'lonDocRoot'}/res"); |
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} |
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# &logthis("FILELIST:" . join(":::",@metalist)); |
# if file is indicated in sql database and |
# if file is indicated in sql database and |
# not part of sql-relevant query, do not pattern match. |
# not part of sql-relevant query, do not pattern match. |
# if file is not in sql database, output error. |
# if file is not in sql database, output error. |
# 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. |
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my $customresult=''; |
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my @r2; |
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foreach my $m (@metalist) { |
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my $fh=IO::File->new($m); |
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my @lines=<$fh>; |
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my $stuff=join('',@lines); |
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if ($stuff=~/$custom/s) { |
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foreach my $f ('abstract','author','copyright', |
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'creationdate','keywords','language', |
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'lastrevisiondate','mime','notes', |
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'owner','subject','title') { |
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$stuff=~s/\n?\<$f[^\>]*\>.*?<\/$f[^\>]*\>\n?//; |
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} |
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my $m2=$m; my $docroot=$perlvar{'lonDocRoot'}; |
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$m2=~s/^$docroot//; |
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$m2=~s/\.meta$//; |
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unless ($query) { |
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my $q2="select * from metadata where url like '$m2'"; |
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my $sth = $dbh->prepare($q2); |
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$sth->execute(); |
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my $r1=$sth->fetchall_arrayref; |
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map {my $a=$_; |
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my @b=map {escape($_)} @$a; |
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push @files,@{$a}[3]; |
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push @r2,join(",", @b) |
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} (@$r1); |
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} |
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# &logthis("found: $stuff"); |
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$customresult.='&custom='.escape($m2).','.escape($stuff); |
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} |
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} |
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$result=join("&",@r2) unless $query; |
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$result.=$customresult; |
} |
} |
# reply with result |
# reply with result |
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$result.="\n" if $result; |
&reply("queryreply:$queryid:$result",$conserver); |
&reply("queryreply:$queryid:$result",$conserver); |
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} |
} |