version 1.42, 2002/05/11 21:26:53
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version 1.49, 2002/06/24 14:22:05
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Line 46
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Line 46
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## ORGANIZATION OF THIS PERL SCRIPT ## |
## ORGANIZATION OF THIS PERL SCRIPT ## |
## 1. Modules used ## |
## 1. Modules used ## |
## 2. Enable find subroutine ## |
## 2. Enable find subroutine ## |
## 3. Read httpd access.conf and get variables ## |
## 3. Read httpd config files and get variables ## |
## 4. Make sure that database can be accessed ## |
## 4. Make sure that database can be accessed ## |
## 5. Make sure this process is running from user=www ## |
## 5. Make sure this process is running from user=www ## |
## 6. Check if other instance is running ## |
## 6. Check if other instance is running ## |
Line 80 sub wanted {
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Line 80 sub wanted {
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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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# ------------------------------------------- Read access.conf and loncapa.conf |
# -------------------------------- Read loncapa_apache.conf and loncapa.conf |
my $perlvarref=LONCAPA::Configuration::read_conf('access.conf','loncapa.conf'); |
my $perlvarref=LONCAPA::Configuration::read_conf('loncapa_apache.conf', |
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'loncapa.conf'); |
my %perlvar=%{$perlvarref}; |
my %perlvar=%{$perlvarref}; |
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# ------------------------------------- Make sure that database can be accessed |
# ------------------------------------- Make sure that database can be accessed |
Line 188 sub logthis {
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Line 189 sub logthis {
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my $local=localtime($now); |
my $local=localtime($now); |
print $fh "$local ($$): $message\n"; |
print $fh "$local ($$): $message\n"; |
} |
} |
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# ------------------------------------------------------------------ Course log |
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sub courselog { |
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my ($path,$command)=@_; |
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my %filters=(); |
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foreach (split(/\:/,&unescape($command))) { |
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my ($name,$value)=split(/\=/,$_); |
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$filters{$name}=$value; |
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} |
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my @results=(); |
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open(IN,$path.'/activity.log') or return ('file_error'); |
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while ($line=<IN>) { |
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chomp($line); |
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my ($timestamp,$host,$log)=split(/\:/,$line); |
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# |
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# $log has the actual log entries; currently still escaped, and |
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# %26(timestamp)%3a(url)%3a(user)%3a(domain) |
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# then additionally |
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# %3aPOST%3a(name)%3d(value)%3a(name)%3d(value) |
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# or |
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# %3aCSTORE%3a(name)%3d(value)%26(name)%3d(value) |
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# |
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# get delimiter between timestamped entries to be &&& |
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$log=~s/\%26(\d+)\%3a/\&\&\&$1\%3a/g; |
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# now go over all log entries |
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foreach (split(/\&\&\&/,&unescape($log))) { |
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my ($time,$res,$uname,$udom,$action,@values)=split(/\:/,$_); |
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my $values=&unescape(join(':',@values)); |
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$values=~s/\&/\:/g; |
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$res=&unescape($res); |
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my $include=1; |
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if (($filters{'username'}) && ($uname ne $filters{'username'})) |
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{ $include=0; } |
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if (($filters{'domain'}) && ($udom ne $filters{'domain'})) |
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{ $include=0; } |
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if (($filters{'url'}) && ($res!~/$filters{'url'}/)) |
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{ $include=0; } |
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if (($filters{'start'}) && ($time<$filters{'start'})) |
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{ $include=0; } |
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if (($filters{'end'}) && ($time>$filters{'end'})) |
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{ $include=0; } |
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if (($filters{'action'} eq 'view') && ($action)) |
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{ $include=0; } |
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if (($filters{'action'} eq 'submit') && ($action ne 'POST')) |
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{ $include=0; } |
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if (($filters{'action'} eq 'grade') && ($action ne 'CSTORE')) |
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{ $include=0; } |
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if ($include) { |
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push(@results,($time<1000000000?'0':'').$time.':'.$res.':'. |
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$uname.':'.$udom.':'. |
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$action.':'.$values); |
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} |
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} |
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} |
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close IN; |
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return join('&',sort(@results)); |
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} |
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# -------------------------------------------------------------------- User log |
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sub userlog { |
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my ($path,$command)=@_; |
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my %filters=(); |
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foreach (split(/\:/,&unescape($command))) { |
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my ($name,$value)=split(/\=/,$_); |
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$filters{$name}=$value; |
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} |
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my @results=(); |
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open(IN,$path.'/activity.log') or return ('file_error'); |
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while ($line=<IN>) { |
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chomp($line); |
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my ($timestamp,$host,$log)=split(/\:/,$line); |
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$log=&unescape($log); |
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my $include=1; |
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if (($filters{'start'}) && ($timestamp<$filters{'start'})) |
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{ $include=0; } |
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if (($filters{'end'}) && ($timestamp>$filters{'end'})) |
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{ $include=0; } |
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if (($filters{'action'} eq 'log') && ($log!~/^Log/)) { $include=0; } |
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if (($filters{'action'} eq 'check') && ($log!~/^Check/)) |
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{ $include=0; } |
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if ($include) { |
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push(@results,$timestamp.':'.$log); |
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} |
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} |
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close IN; |
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return join('&',sort(@results)); |
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} |
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# ---------------------------------------------------- Fork once and dissociate |
# ---------------------------------------------------- Fork once and dissociate |
$fpid=fork; |
$fpid=fork; |
exit if $fpid; |
exit if $fpid; |
Line 275 sub make_new_child {
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Line 367 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, |
my ($conserver,$query, |
$customtmp,$customshowtmp)=split(/&/,$userinput); |
$arg1,$arg2,$arg3)=split(/&/,$userinput); |
my $query=unescape($querytmp); |
my $query=unescape($query); |
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 = $thisserver; |
Line 288 sub make_new_child {
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Line 378 sub make_new_child {
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$queryid .= $run; |
$queryid .= $run; |
print $client "$queryid\n"; |
print $client "$queryid\n"; |
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&logthis("QUERY: $query"); |
&logthis("QUERY: $query - $arg1 - $arg2 - $arg3"); |
&logthis("QUERY: $query"); |
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sleep 1; |
sleep 1; |
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my $result=''; |
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# ---------- At this point, query is received, query-ID assigned and sent back |
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# $query eq 'logquery' will mean that this is a query against log-files |
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if (($query eq 'userlog') || ($query eq 'courselog')) { |
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# ----------------------------------------------------- beginning of log query |
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# |
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# this goes against a user's log file |
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# |
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my $udom=&unescape($arg1); |
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my $uname=&unescape($arg2); |
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my $command=&unescape($arg3); |
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my $path=&propath($udom,$uname); |
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if (-e "$path/activity.log") { |
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if ($query eq 'userlog') { |
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$result=&userlog($path,$command); |
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} else { |
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$result=&courselog($path,$command); |
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} |
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} else { |
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&logthis('Unable to do log query: '.$uname.'@'.$udom); |
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$result='no_such_file'; |
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} |
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# ------------------------------------------------------------ end of log query |
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} else { |
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# -------------------------------------------------------- This is an sql query |
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my $custom=unescape($arg1); |
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my $customshow=unescape($arg2); |
#prepare and execute the query |
#prepare and execute the query |
my $sth = $dbh->prepare($query); |
my $sth = $dbh->prepare($query); |
my $result; |
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my @files; |
my @files; |
my $subsetflag=0; |
my $subsetflag=0; |
if ($query) { |
if ($query) { |
Line 370 sub make_new_child {
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Line 490 sub make_new_child {
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$result=join("&",@r2) unless $query; |
$result=join("&",@r2) unless $query; |
$result.=$customresult; |
$result.=$customresult; |
} |
} |
# reply with result |
# ------------------------------------------------------------ end of sql query |
$result.="\n" if $result; |
} |
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# result does need to be escaped |
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$result=&escape($result); |
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# reply with result, append \n unless already there |
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$result.="\n" unless ($result=~/\n$/); |
&reply("queryreply:$queryid:$result",$conserver); |
&reply("queryreply:$queryid:$result",$conserver); |
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} |
} |