public function transfer()
{
$totalParts = (int) ceil($this->entityBody->getContentLength() / $this->partSize);
$workers = min($totalParts, $this->options['concurrency']);
$parts = $this->collectParts($workers);
while ($this->transferState->count() < $totalParts) {
$completedParts = $this->transferState->count();
$requests = array();
// Iterate over number of workers until total completed parts is what we need it to be
for ($i = 0; $i < $workers && $completedParts + $i < $totalParts; $i++) {
// Offset is the current pointer multiplied by the standard chunk length
$offset = ($completedParts + $i) * $this->partSize;
$parts[$i]->setOffset($offset);
// If this segment is empty (i.e. buffering a half-full chunk), break the iteration
if ($parts[$i]->getContentLength() == 0) {
break;
}
// Add this to the request queue for later processing
$requests[] = TransferPart::createRequest($parts[$i], $this->transferState->count() + $i + 1, $this->client, $this->options);
}
// Iterate over our queued requests and process them
foreach ($this->client->send($requests) as $response) {
// Add this part to the TransferState
$this->transferState->addPart(TransferPart::fromResponse($response));
}
}
}
public function transfer()
{
while (!$this->entityBody->isConsumed()) {
if ($this->entityBody->getContentLength() && $this->entityBody->isSeekable()) {
// Stream directly from the data
$body = new ReadLimitEntityBody($this->entityBody, $this->partSize, $this->entityBody->ftell());
} else {
// If not-seekable, read the data into a new, seekable "buffer"
$body = EntityBody::factory();
$output = true;
while ($body->getContentLength() < $this->partSize && $output !== false) {
// Write maximum of 10KB at a time
$length = min(10 * Size::KB, $this->partSize - $body->getContentLength());
$output = $body->write($this->entityBody->read($length));
}
}
if ($body->getContentLength() == 0) {
break;
}
$request = TransferPart::createRequest($body, $this->transferState->count() + 1, $this->client, $this->options);
$response = $request->send();
$this->transferState->addPart(TransferPart::fromResponse($response));
}
}
