version 1.3, 2000/07/02 04:01:56
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version 1.15, 2001/03/26 20:31:25
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#!/usr/bin/perl |
#!/usr/bin/perl |
# lonsql-based on the preforker:harsha jagasia:date:5/10/00 |
# lonsql-based on the preforker:harsha jagasia:date:5/10/00 |
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# 7/25 Gerd Kortemeyer |
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# many different dates Scott Harrison |
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# 03/22/2001 Scott Harrison |
use IO::Socket; |
use IO::Socket; |
use Symbol; |
use Symbol; |
use POSIX; |
use POSIX; |
Line 11 use Fcntl;
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Line 13 use Fcntl;
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use Tie::RefHash; |
use Tie::RefHash; |
use DBI; |
use DBI; |
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my @metalist; |
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# ----------------- Code to enable 'find' subroutine listing of the .meta files |
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require "find.pl"; |
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sub wanted { |
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(($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) && |
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-f _ && |
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/^.*\.meta$/ && |
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push(@metalist,"$dir/$_"); |
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} |
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$childmaxattempts=10; |
$childmaxattempts=10; |
$run =0;#running counter to generate the query-id |
$run =0;#running counter to generate the query-id |
Line 27 while ($configline=<CONFIG>) {
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Line 39 while ($configline=<CONFIG>) {
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} |
} |
close(CONFIG); |
close(CONFIG); |
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# --------------------------------------------- Check if other instance running |
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my $pidfile="$perlvar{'lonDaemons'}/logs/lonsql.pid"; |
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if (-e $pidfile) { |
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my $lfh=IO::File->new("$pidfile"); |
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my $pide=<$lfh>; |
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chomp($pide); |
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if (kill 0 => $pide) { die "already running"; } |
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} |
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# ------------------------------------------------------------- Read hosts file |
# ------------------------------------------------------------- Read hosts file |
$PREFORK=4; # number of children to maintain, at least four spare |
$PREFORK=4; # number of children to maintain, at least four spare |
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Line 168 sub make_new_child {
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Line 191 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","newmysql",{ RaiseError =>0,PrintError=>0}) |
$dbh = DBI->connect("DBI:mysql:loncapa","www","123",{ RaiseError =>0,PrintError=>0}) |
) { |
) { |
my $st=120+int(rand(240)); |
my $st=120+int(rand(240)); |
&logthis("<font color=blue>WARNING: Couldn't connect to database ($st secs): $@</font>"); |
&logthis("<font color=blue>WARNING: Couldn't connect to database ($st secs): $@</font>"); |
Line 189 sub make_new_child {
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Line 212 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)=split(/&/,$userinput); |
my ($conserver,$querytmp,$customtmp)=split(/&/,$userinput); |
my $query=unescape($querytmp); |
my $query=unescape($querytmp); |
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my $custom=unescape($customtmp); |
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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 212 sub make_new_child {
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Line 236 sub make_new_child {
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my @r2; map {my $a=$_; my @b=map {escape($_)} @$a; push @r2,join(",", @b)} (@$r1); |
my @r2; map {my $a=$_; my @b=map {escape($_)} @$a; push @r2,join(",", @b)} (@$r1); |
$result=join("&",@r2) . "\n"; |
$result=join("&",@r2) . "\n"; |
} |
} |
&reply("queryreply:$queryid:$result",$conserver); |
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# do custom metadata searching here and build into result |
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if ($custom) { |
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&logthis("am going to do custom query for $custom"); |
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@metalist=(); pop @metalist; |
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&find("$perlvar{'lonDocRoot'}/res"); |
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&logthis("FILELIST:" . join(":::",@metalist)); |
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# if file is indicated in sql database and |
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# not part of sql-relevant query, do not pattern match. |
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# if file is not in sql database, output error. |
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# if file is indicated in sql database and is |
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# part of query result list, then do the pattern match. |
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my $customresult=''; |
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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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&logthis("found: $stuff"); |
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} |
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$customresult.='&custom='.escape($stuff); |
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} |
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# $result.=$customresult; |
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} |
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# reply with result |
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$result.="ABCABC"; |
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&reply("queryreply:$queryid:${result}DEF",$conserver); |
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} |
} |
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