public static void execute(MySQLFrontConnection c) {
final ReentrantLock lock = MycatServer.getInstance().getConfig().getLock();
lock.lock();
try {
if (ReloadUtil.rollback()) {
StringBuilder s = new StringBuilder();
s.append(c).append("Rollback config success by manager");
LOGGER.warn(s.toString());
OkPacket ok = new OkPacket();
ok.packetId = 1;
ok.affectedRows = 1;
ok.serverStatus = 2;
ok.message = "Rollback config success".getBytes();
ok.write(c);
} else {
c.writeErrMessage(ErrorCode.ER_YES, "Rollback config failure");
}
} finally {
lock.unlock();
}
}
public static void response(MySQLFrontConnection c, byte[] data) {
HeartbeatPacket hp = new HeartbeatPacket();
hp.read(data);
if (MycatServer.getInstance().isOnline()) {
OkPacket ok = new OkPacket();
ok.packetId = 1;
ok.affectedRows = hp.id;
ok.serverStatus = 2;
ok.write(c);
if (HEARTBEAT.isInfoEnabled()) {
HEARTBEAT.info(responseMessage("OK", c, hp.id));
}
} else {
ErrorPacket error = new ErrorPacket();
error.packetId = 1;
error.errno = ErrorCode.ER_SERVER_SHUTDOWN;
error.message = String.valueOf(hp.id).getBytes();
error.write(c);
if (HEARTBEAT.isInfoEnabled()) {
HEARTBEAT.info(responseMessage("ERROR", c, hp.id));
}
}
}