/**
* 将一个数组打包成一个Key/Value的消息体
*
* @param array $msg
* @return string
*/
public static function toPack($msg)
{
$content = null;
if (is_array($msg) == true) {
foreach ($msg as $key => $value) {
//这里是个约定，当value为null时，抛弃key.
//因此，需要一个空key时候，请将value设置空字符串
if ($value === null) {
continue;
}
//对value是数组的情况进行处理
if (is_array($value) == true) {
$value = self::toPack($value);
$keyvalue_len = strlen($key) + strlen($value) + 2 + 6;
$keyvalue_len = $keyvalue_len | 0x80000000;
} else {
$keyvalue_len = strlen($key) + strlen($value) + 2 + 6;
}
$content .= pack("Nn", $keyvalue_len, strlen($key)) . $key . "" . $value . "";
}
return $content;
} else {
if (is_null($msg) == true) {
return $content;
} else {
self::$errno = ERR_PACKAGE_PACK_BAD_PARAM_TYPE;
self::$error = '参数应该是null或数组';
return false;
}
}
}
/**
* 打包recv_data
*
* @param int $taskId
s * @param string $data
* @param integer $group
* @param string $user
* @param string $passwd
* @param string $sign
* @param boolean $zip
* @return string
*/
function packRecvData($taskId, $data, $group = null, $user = null, $passwd = null, $sign = null, $zip = null)
{
$dataArr = array();
$dataArr[CWX_MQ_DATA] = $data;
$dataArr[CWX_MQ_GROUP] = $group;
$dataArr[CWX_MQ_USER] = $user;
$dataArr[CWX_MQ_PASSWD] = $passwd;
$kvPackage = CwxPackage::toPack($dataArr);
//签名
if ($sign == CWX_MQ_CRC32) {
$crc32 = crc32($kvPackage);
$crc32 = pack('L', $crc32);
$dataArr = array();
$dataArr[CWX_MQ_CRC32] = $crc32;
$kvPackage .= CwxPackage::toPack($dataArr);
} else {
if ($sign == CWX_MQ_MD5) {
$md5 = md5($kvPackage, true);
$dataArr = array();
$dataArr[CWX_MQ_MD5] = $md5;
$kvPackage .= CwxPackage::toPack($dataArr);
}
}
//压缩
if ($zip == true) {
$kvPackage = gzcompress($kvPackage);
$header = new CwxMsgHead(MSG_TYPE_RECV_DATA, strlen($kvPackage), $taskId, 2, $this->version);
} else {
$header = new CwxMsgHead(MSG_TYPE_RECV_DATA, strlen($kvPackage), $taskId, null, $this->version);
}
//打包
$result = $header->toNet() . $kvPackage;
return $result;
}
