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<?php
namespace React\HttpClient;
use Evenement\EventEmitter;
use React\Stream\ReadableStreamInterface;
use React\Stream\Util;
use React\Stream\WritableStreamInterface;
/**
* @event data ($bodyChunk)
* @event error
* @event end
*/
class Response extends EventEmitter implements ReadableStreamInterface
{
private $stream;
private $protocol;
private $version;
private $code;
private $reasonPhrase;
private $headers;
private $readable = true;
public function __construct(ReadableStreamInterface $stream, $protocol, $version, $code, $reasonPhrase, $headers)
{
$this->stream = $stream;
$this->protocol = $protocol;
$this->version = $version;
$this->code = $code;
$this->reasonPhrase = $reasonPhrase;
$this->headers = $headers;
if (strtolower($this->getHeaderLine('Transfer-Encoding')) === 'chunked') {
$this->stream = new ChunkedStreamDecoder($stream);
$this->removeHeader('Transfer-Encoding');
}
$this->stream->on('data', array($this, 'handleData'));
$this->stream->on('error', array($this, 'handleError'));
$this->stream->on('end', array($this, 'handleEnd'));
$this->stream->on('close', array($this, 'handleClose'));
}
public function getProtocol()
{
return $this->protocol;
}
public function getVersion()
{
return $this->version;
}
public function getCode()
{
return $this->code;
}
public function getReasonPhrase()
{
return $this->reasonPhrase;
}
public function getHeaders()
{
return $this->headers;
}
private function removeHeader($name)
{
foreach ($this->headers as $key => $value) {
if (strcasecmp($name, $key) === 0) {
unset($this->headers[$key]);
break;
}
}
}
private function getHeader($name)
{
$name = strtolower($name);
$normalized = array_change_key_case($this->headers, CASE_LOWER);
return isset($normalized[$name]) ? (array)$normalized[$name] : array();
}
private function getHeaderLine($name)
{
return implode(', ' , $this->getHeader($name));
}
/** @internal */
public function handleData($data)
{
if ($this->readable) {
$this->emit('data', array($data));
}
}
/** @internal */
public function handleEnd()
{
if (!$this->readable) {
return;
}
$this->emit('end');
$this->close();
}
/** @internal */
public function handleError(\Exception $error)
{
if (!$this->readable) {
return;
}
$this->emit('error', array(new \RuntimeException(
"An error occurred in the underlying stream",
0,
$error
)));
$this->close();
}
/** @internal */
public function handleClose()
{
$this->close();
}
public function close()
{
if (!$this->readable) {
return;
}
$this->readable = false;
$this->stream->close();
$this->emit('close');
$this->removeAllListeners();
}
public function isReadable()
{
return $this->readable;
}
public function pause()
{
if (!$this->readable) {
return;
}
$this->stream->pause();
}
public function resume()
{
if (!$this->readable) {
return;
}
$this->stream->resume();
}
public function pipe(WritableStreamInterface $dest, array $options = array())
{
Util::pipe($this, $dest, $options);
return $dest;
}
}
|
