/**
* {@inheritdoc}
*/
public function sendBinary(ReadableStream $stream, int $priority = 0) : Awaitable
{
return $this->writer->execute(function () use($stream) {
$type = Frame::BINARY;
$reserved = Frame::RESERVED1;
$context = $this->deflate->getCompressionContext();
$len = 0;
try {
$chunk = (yield $stream->readBuffer(4092));
while (null !== ($next = (yield $stream->readBuffer(4092)))) {
$chunk = \deflate_add($context, $chunk, \ZLIB_SYNC_FLUSH);
$len += (yield $this->writeFrame(new Frame($type, $chunk, false, $reserved)));
$chunk = $next;
$type = Frame::CONTINUATION;
$reserved = 0;
}
if ($chunk !== null) {
$chunk = \substr(\deflate_add($context, $chunk, $this->deflate->getCompressionFlushMode()), 0, -4);
$len += (yield $this->writeFrame(new Frame($type, $chunk, true, $reserved)));
}
return $len;
} finally {
$stream->close();
}
}, $priority);
}
