public function testDecodeSpecial()
{
$data = array(array('', '0', ''), array('', '00', ''), array('3e', '25', ''), array('39', 'z', ''));
foreach ($data as $datum) {
$decoded = Base58::decode($datum[1]);
$this->assertSame($datum[0], $decoded, sprintf('%s != %s', $datum[0], $decoded));
}
}
/**
* @param string $num
* @return string exactly 25 bytes, as lower case hex
*/
public static function decode($num)
{
$res = Base58::decode($num, self::$alphabet);
return str_pad($res, 50, '0', STR_PAD_LEFT);
}
/**
* Creates the device object with the unique device ID *$uid* and adds
* it to the IPConnection *$ipcon*.
*
* @param string $uid
* @param IPConnection $ipcon
*/
public function __construct($uid, $ipcon)
{
$longUid = Base58::decode($uid);
if (bccomp($longUid, '4294967295') > 0) {
// Convert from 64bit to 32bit
$value1a = (int) bcmod($longUid, '65536');
$value1b = (int) bcmod(bcdiv($longUid, '65536'), '65536');
$value2a = (int) bcmod(bcdiv($longUid, '4294967296'), '65536');
$value2b = (int) bcmod(bcdiv($longUid, '281474976710656'), '65536');
$shortUid1 = $value1a & 0xfff;
$shortUid1 |= ($value1b & 0xf00) << 4;
$shortUid2 = $value2a & 0x3f;
$shortUid2 |= ($value2b & 0xf) << 6;
$shortUid2 |= ($value2b & 0x3f00) << 2;
$this->uid = bcadd(bcmul($shortUid2, '65536'), $shortUid1);
} else {
$this->uid = $longUid;
}
$this->ipcon = $ipcon;
for ($i = 0; $i < 256; ++$i) {
$this->responseExpected[$i] = self::RESPONSE_EXPECTED_INVALID_FUNCTION_ID;
}
$this->responseExpected[IPConnection::FUNCTION_ENUMERATE] = self::RESPONSE_EXPECTED_ALWAYS_FALSE;
$this->responseExpected[IPConnection::CALLBACK_ENUMERATE] = self::RESPONSE_EXPECTED_ALWAYS_FALSE;
$ipcon->devices[$this->uid] = $this;
// FIXME: use a weakref here
}
