/**
* Constructor
*
* @param Kafka_FetchRequest $req Request object
*/
public function __construct(Kafka_FetchRequest $req)
{
$this->size = $req->sizeInBytes() + 2;
$this->buffer = fopen('php://temp', 'w+b');
fwrite($this->buffer, pack('n', $req->id));
$req->writeTo($this->buffer);
rewind($this->buffer);
//fseek($this->buffer, $req->getOffset(), SEEK_SET);
}
public function testWriteCompletelyWithBigRequest()
{
$topicSize = 9000;
$this->topic = str_repeat('a', $topicSize);
//bigger than the fread buffer, 8192
$this->req = new Kafka_FetchRequest($this->topic, $this->partition, $this->offset);
$this->obj = new Kafka_BoundedByteBuffer_Send($this->req);
// 4 bytes = size
// 2 bytes = request ID
$this->assertEquals(4 + $this->req->sizeInBytes() + 2, $this->obj->writeCompletely($this->stream));
}
public function testWriteToOffset()
{
$this->offset = 14;
$this->req = new Kafka_FetchRequest($this->topic, $this->partition, $this->offset, $this->maxSize);
$stream = fopen('php://temp', 'w+b');
$this->req->writeTo($stream);
rewind($stream);
//read it back
$topicLen = array_shift(unpack('n', fread($stream, 2)));
$this->assertEquals(strlen($this->topic), $topicLen);
$this->assertEquals($this->topic, fread($stream, $topicLen));
$this->assertEquals($this->partition, array_shift(unpack('N', fread($stream, 4))));
$int64bit = unpack('N2', fread($stream, 8));
$this->assertEquals($this->offset, $int64bit[2]);
$this->assertEquals($this->maxSize, array_shift(unpack('N', fread($stream, 4))));
}
