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# Copyright (C) 2008-2009 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
# USA
package GenTest::Reporter::ReplicationConnectionKiller;
require Exporter;
@ISA = qw(GenTest::Reporter);
use strict;
use GenTest;
use GenTest::Reporter;
use GenTest::Constants;
my $tcpkill_pid;
use constant KILL_DURATION => 5;
sub monitor {
local $SIG{INT} = sub {
kill(15, $tcpkill_pid) if defined $tcpkill_pid;
exit(STATUS_OK);
};
my $reporter = shift;
my $dsn = $reporter->dsn();
my $dbh = DBI->connect($dsn);
my $slave_host = $reporter->serverInfo('slave_host');
my $master_port = $reporter->serverVariable('port');
# If interface is not specified, tcpkill will auto-pick the first available
my $interface = $slave_host eq '127.0.0.1' ? 'lo' : '';
my $slave_local = $dbh->selectrow_array("
SELECT HOST
FROM INFORMATION_SCHEMA.PROCESSLIST
WHERE COMMAND = 'Binlog Dump'
");
my ($slave_local_host, $slave_local_port) = split (':', $slave_local);
$tcpkill_pid = fork();
if ($tcpkill_pid) { # parent
sleep(KILL_DURATION);
say("Killing tcpkill with pid $tcpkill_pid");
kill (15, $tcpkill_pid);
$tcpkill_pid = undef;
return(STATUS_OK);
} else {
my $command = "/usr/sbin/tcpkill -i $interface src host $slave_local_host and src port $slave_local_port and dst port $master_port";
say("Executing $command");
exec($command);
exit(STATUS_OK);
}
}
sub type {
return REPORTER_TYPE_PERIODIC;
}
1;
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