/**
* Returns
*
* @return io.Stream
*/
protected function archiveBytesAsStream($version = -1)
{
static $bytes = array(1 => "CCA", 2 => "CCA");
$s = new Stream();
$s->open(STREAM_WRITE);
$s->write($bytes[$version < 0 ? $this->version() : $version]);
$s->write(str_repeat("", 248));
// Reserved bytes
$s->close();
return $s;
}
public function write($string)
{
parent::write($string);
$result = fwrite($this->stream, $string);
if ($result === false) {
throw new \Exception('Unable to write stream');
}
return $result;
}
public function get_contents()
{
$data = 'Test';
$f = new Stream();
$f->open(STREAM_MODE_WRITE);
$f->write($data);
$f->close();
$this->assertEquals($data, FileUtil::getContents($f));
}
/**
* @return array|bool
*/
protected function parseSizeForJPEG()
{
$state = null;
while (true) {
switch ($state) {
default:
$this->stream->read(2);
$state = 'started';
break;
case 'started':
$b = $this->getByte();
if ($b === false) {
return false;
}
$state = $b == 0xff ? 'sof' : 'started';
break;
case 'sof':
$b = $this->getByte();
if ($b === 0xe1) {
$data = $this->stream->read($this->readInt($this->stream->read(2)) - 2);
$stream = new Stream();
$stream->write($data);
if ($stream->read(4) === 'Exif') {
$stream->read(2);
$exif = new Faster_Image_B52f1a8_Exif_Parser($stream);
}
break;
}
if (in_array($b, range(0xe0, 0xef))) {
$state = 'skipframe';
break;
}
if (in_array($b, array_merge(range(0xc0, 0xc3), range(0xc5, 0xc7), range(0xc9, 0xcb), range(0xcd, 0xcf)))) {
$state = 'readsize';
break;
}
if ($b == 0xff) {
$state = 'sof';
break;
}
$state = 'skipframe';
break;
case 'skipframe':
$skip = $this->readInt($this->stream->read(2)) - 2;
$this->stream->read($skip);
$state = 'started';
break;
case 'readsize':
$c = $this->stream->read(7);
$size = array($this->readInt(substr($c, 5, 2)), $this->readInt(substr($c, 3, 2)));
if (isset($exif) && $exif->isRotated()) {
return array_reverse($size);
}
return $size;
}
}
return false;
}
/**
* Write the stream to the given destionation directly without using extra memory like storing in an array etc.
*
* @param mixed $destination file path.
*/
public function save($destination)
{
$dest = new Stream(is_resource($destination) ? $destination : fopen($destination, 'w+'));
while (!$this->feof()) {
$dest->write($this->read());
}
if (!is_resource($destination)) {
// close the file if we opened it otwhise dont touch.
$dest->close();
}
}
/**
* Get Thumbnail
*
* @return img.Image
*/
public function getThumbnail()
{
$s = new Stream();
$s->open(STREAM_MODE_WRITE);
$s->write(exif_thumbnail($this->getFilename()));
$s->rewind();
return Image::loadFrom(new StreamReader($s));
}
/**
* @param $file
* @param $dstRedisServer
* @param int $seek
* @return bool
*/
static function syncFromAof($file, $dstRedisServer, $seek = 0)
{
$fp = fopen($file, 'r');
if (!$fp) {
return false;
}
//偏移
if ($seek > 0) {
fseek($fp, $seek);
}
//目标Redis服务器
$dstRedis = stream_socket_client($dstRedisServer, $errno, $errstr, 10);
if (!$dstRedis) {
return false;
}
$n_bytes = $seek;
$n_lines = 0;
$n_success = 0;
$_send = '';
$patten = "#^\\*(\\d+)\r\n\$#";
readfile:
while (!feof($fp)) {
$line = fgets($fp, 8192);
if ($line === false) {
echo "line empty\n";
break;
}
$n_lines++;
$r = preg_match($patten, $line);
if ($r) {
if ($_send) {
if (Stream::write($dstRedis, $_send) === false) {
die("写入Redis失败. {$_send}");
}
$n_bytes += strlen($_send);
//清理数据
if (fread($dstRedis, 8192) == false) {
echo "读取Redis失败. {$_send}\n";
for ($i = 0; $i < 10; $i++) {
$dstRedis = stream_socket_client($dstRedisServer, $errno, $errstr, 10);
if (!$dstRedis) {
echo "连接到Redis({$dstRedisServer})失败, 1秒后重试.\n";
sleep(1);
}
}
if (!$dstRedis) {
echo "连接到Redis({$dstRedisServer})失败\n";
return false;
}
$_send = $line;
continue;
}
$n_success++;
if ($n_success % 10000 == 0) {
$seek = ftell($fp);
echo "KEY: {$n_success}, LINE: {$n_lines}, BYTE: {$n_bytes}, SEEK: {$seek}. 完成\n";
}
}
$_send = $line;
} else {
$_send .= $line;
}
}
wait:
//等待100ms后继续读
sleep(2);
$seek = ftell($fp);
echo "read eof, seek={$seek}\n";
//关闭文件
fclose($fp);
$fp = fopen($file, 'r');
if (!$fp) {
exit("打开文件失败，seek={$seek}\n");
}
if (fseek($fp, $seek) < 0) {
exit("feek({$seek})失败\n");
}
goto readfile;
}
public function testCannotRetrieveStreamAfterMove()
{
$this->setExpectedException("RuntimeException", "File has already been moved");
$stream = new Stream("php://temp", "wb+");
$stream->write("test");
$upload = new UploadedFile($stream, 1, UPLOAD_ERR_OK);
$upload->moveTo(__DIR__ . "/tmpfile");
$this->assertTrue(file_exists(__DIR__ . "/tmpfile"));
$upload->getStream();
}
public function write($content)
{
$modified = $this->mutateOut($content);
return parent::write($modified);
}
public function positionAfterReOpen()
{
$s = new Stream();
$s->open(STREAM_MODE_WRITE);
$s->write('GIF89a');
$s->close();
$s->open(STREAM_MODE_READ);
$this->assertEquals(0, $s->tell());
$this->assertEquals('GIF89a', $s->read());
$s->close();
}