private function _gen_recv_response()
{
$topic_id = 65535;
$bad_topic_id = 0;
$pkg = new BigpipeMessagePackage();
$msg = 'This is a test case';
$pkg->push($msg);
$msg_body = null;
$pkg->store($msg_body);
$sign = creat_sign_mds64($msg_body);
$frame = new BStompMessageFrame();
$frame->priority = 10;
$frame->persistent = 1;
$frame->no_dedupe = 1;
$frame->timeout = BigpipeUtilities::get_time_us();
$frame->destination = 'cluster-for-unittest';
$frame->session_id = BigpipeUtilities::get_uid();
$frame->subscribe_id = BigpipeUtilities::get_uid();
$frame->receipt_id = BigpipeUtilities::gen_receipt_id();
$frame->session_message_id = BigpipeUtilities::get_uid();
$frame->topic_message_id = $topic_id;
$frame->global_message_id = 76248;
$frame->cur_checksum = $sign[2];
$frame->last_checksum = 0;
$frame->message_body = $msg_body;
$frame->store();
$good = $frame->buffer();
// topic message id ´íÎóµÄcase
$frame->topic_message_id = $bad_topic_id;
$frame->store();
$bad_topic = $frame->buffer();
// message body ´íÎóµÄcase
$frame->topic_message_id = $topic_id;
$frame->message_body = '';
$frame->store();
$bad_body = $frame->buffer();
// checksum´íÎóµÄcase
$frame->message_body = $msg_body;
$frame->cur_checksum = 201;
$frame->store();
$bad_checksum = $frame->buffer();
// ´´ÔìÒ»¸öerrorµÄ°ü
$err_pkg = '1';
$frame->message_body = $err_pkg;
$err_sign = creat_sign_mds64($err_pkg);
$frame->cur_checksum = $err_sign[2];
$frame->store();
$bad_pkg = $frame->buffer();
// ´´ÔìÒ»¸öpop errorµÄ°ü
$frame->message_body = pack("L2", 1, 5);
// ÕâÊÇÒ»¸ö³¤¶ÈΪ5£¬µ«ÊÇûÓÐÊý¾ÝµÄ»µ°ü
$empty_sign = creat_sign_mds64($frame->message_body);
$frame->cur_checksum = $empty_sign[2];
$frame->store();
$empty_pkg = $frame->buffer();
$res_arr = array('good' => $good, 'bad_topic' => $bad_topic, 'bad_body' => $bad_body, 'bad_checksum' => $bad_checksum, 'bad_pkg' => $bad_pkg, 'empty_pkg' => $empty_pkg);
return $res_arr;
}