#!/usr/bin/perl
use POSIX;
use File::Temp;

# Log in the mtotacct table aggregated accounting information for
# each user spaning in one month period.
# If the current month has not ended it will log information up to
# the current month day
# Works only with mysql and postgresql
#

$conf=shift||'/usr/local/dialup_admin/conf/admin.conf';


open CONF, "<$conf"
	or die "Could not open configuration file\n";
while(<CONF>){
	chomp;
	($key,$val)=(split /:\s*/,$_);
	$sql_type = $val if ($key eq 'sql_type');
	$sql_server = $val if ($key eq 'sql_server');
	$sql_username = $val if ($key eq 'sql_username');
	$sql_password = $val if ($key eq 'sql_password');
	$sql_database = $val if ($key eq 'sql_database');
	$sql_accounting_table = $val if ($key eq 'sql_accounting_table');
	$sqlcmd = $val if ($key eq 'sql_command');
}
close CONF;

die "sql_command directive is not set in admin.conf\n" if ($sqlcmd eq '');
die "sql command '$sqlcmd' not found or does not seem to be executable\n" if (! -x $sqlcmd);

if ($sql_type eq 'mysql'){
	$sql_password = (!$sql_password) ? '' : "-p$sql_password";
}
$sql_password =~ s/(\W)/\\$1/g;

($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime;
if ($mday == 1){
	$mon--;
}
$date_start = POSIX::strftime("%Y-%m-%d",0,0,0,1,$mon,$year,$wday,$yday,$isdst);
$date_end = POSIX::strftime("%Y-%m-%d",0,0,0,$mday,$mon,$year,$wday,$yday,$isdst);

$query1 = "DELETE FROM mtotacct WHERE AcctDate = '$date_start';";
$query2 = "INSERT INTO mtotacct (UserName,AcctDate,ConnNum,ConnTotDuration,
	ConnMaxDuration,ConnMinDuration,InputOctets,OutputOctets,NASIPAddress)
	SELECT UserName,'$date_start',SUM(ConnNum),SUM(ConnTotDuration),
	MAX(ConnMaxDuration),MIN(ConnMinDuration),SUM(InputOctets),
	SUM(OutputOctets),NASIPAddress FROM totacct
	WHERE AcctDate >= '$date_start' AND
	AcctDate <= '$date_end' GROUP BY UserName,NASIPAddress;";
print "$query1\n";
print "$query2\n";
my ($fh, $tmp_filename) = tempfile() or die "Could not open tmp file\n";
print $fh "ALTER SESSION SET NLS_TIMESTAMP_TZ_FORMAT='YYYY-MM-DD HH24:MI:SS.FF TZH:TZM';\n" if ($sql_type eq 'oracle');
print $fh $query1;
print $fh $query2;
close $fh;
$command = "$sqlcmd -h $sql_server -u $sql_username $sql_password $sql_database < $tmp_filename" if ($sql_type eq 'mysql');
$command = "$sqlcmd  -U $sql_username -f  $tmp_filename $sql_database" if ($sql_type eq 'pg');
$command = "$sqlcmd  $sql_username/$pass" . "@" . "$sql_database <$tmpfile.$server" if ($sql_type eq 'oracle');
$command = "$sqlcmd '$sql_server' '$sql_port' '' '$sql_username' '$sql_password' < $tmp_filename" if ($sql_type eq 'sqlrelay');
`$command`;