Initial commit

src/Http2.php

@@ -0,0 +1,117 @@
+<?php
+
+namespace JoopSchilder\Http2;
+
+use RuntimeException;
+
+/**
+ * Class Http2
+ */
+class Http2
+{
+	/** @var resource */
+	private $multihandle;
+
+	/** @var callable */
+	private $responseHandler;
+
+
+	/**
+	 * Http2 constructor.
+	 */
+	public function __construct()
+	{
+		$this->multihandle = curl_multi_init();
+		curl_multi_setopt($this->multihandle, CURLMOPT_PIPELINING, CURLPIPE_MULTIPLEX);
+		curl_multi_setopt($this->multihandle, CURLMOPT_MAX_HOST_CONNECTIONS, 1);
+		curl_multi_setopt($this->multihandle, CURLMOPT_MAX_TOTAL_CONNECTIONS, 1);
+	}
+
+
+	/**
+	 * Http2 destructor.
+	 */
+	public function __destruct()
+	{
+		if (is_resource($this->multihandle)) {
+			curl_multi_close($this->multihandle);
+		}
+	}
+
+
+	/**
+	 * @param string $url
+	 * @param bool   $priorKnowledge
+	 * @return Request
+	 */
+	public function createRequest(string $url, bool $priorKnowledge = true): Request
+	{
+		return (new Request($url))->setOptions([
+			CURLOPT_AUTOREFERER    => 1,
+			CURLOPT_FOLLOWLOCATION => 1,
+			CURLOPT_HEADER         => 1,
+			CURLOPT_HTTP_VERSION   => ($priorKnowledge ? CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE : CURL_HTTP_VERSION_2),
+			CURLOPT_MAXREDIRS      => 5,
+			CURLOPT_PIPEWAIT       => 1,
+			CURLOPT_RETURNTRANSFER => 1,
+			CURLOPT_SSL_VERIFYPEER => 0,
+			CURLOPT_TIMEOUT        => 10,
+		]);
+	}
+
+
+	/**
+	 * @param Request $request
+	 */
+	public function addRequest(Request $request): void
+	{
+		$handle = curl_init($request->getUri());
+		curl_setopt_array($handle, $request->getOptions());
+		curl_multi_add_handle($this->multihandle, $handle);
+	}
+
+
+	/**
+	 * @param callable $responseHandler
+	 */
+	public function onResponse(callable $responseHandler): void
+	{
+		$this->responseHandler = $responseHandler;
+	}
+
+
+	/**
+	 *
+	 */
+	public function execute(): void
+	{
+		$this->guardNoResponseHandler();
+		do {
+			curl_multi_exec($this->multihandle, $stillRunning);
+			while (false !== ($message = curl_multi_info_read($this->multihandle))) {
+				$handle = $message['handle'];
+				$content = curl_multi_getcontent($handle);
+
+				$header = substr($content, 0, curl_getinfo($handle, CURLINFO_HEADER_SIZE));
+				$content = str_replace($header, '', $content);
+				$url = curl_getinfo($handle, CURLINFO_EFFECTIVE_URL);
+				call_user_func($this->responseHandler, new Response($url, $header, $content));
+				curl_multi_remove_handle($this->multihandle, $handle);
+				curl_close($handle);
+			}
+			usleep(5);
+		} while ($stillRunning > 0);
+	}
+
+
+	/**
+	 *
+	 */
+	private function guardNoResponseHandler(): void
+	{
+		if (!is_callable($this->responseHandler)) {
+			throw new RuntimeException('No valid response handler found');
+		}
+	}
+
+}

src/Request.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace JoopSchilder\Http2;
+
+/**
+ * Class Request
+ */
+class Request
+{
+	/** @var string */
+	private $uri;
+
+	/** @var array */
+	private $options;
+
+
+	/**
+	 * Request constructor.
+	 * @param string $uri
+	 */
+	public function __construct(string $uri)
+	{
+		$this->uri = $uri;
+		$this->options = [];
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function getUri(): string
+	{
+		return $this->uri;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function getOptions(): array
+	{
+		return $this->options;
+	}
+
+
+	/**
+	 * @param array $options
+	 * @return Request
+	 */
+	public function setOptions(array $options)
+	{
+		$this->options = array_replace($this->options, $options);
+
+		return $this;
+	}
+
+}

src/Response.php

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+<?php
+
+namespace JoopSchilder\Http2;
+
+/**
+ * Class Response
+ */
+class Response
+{
+	/** @var string */
+	private $originalUrl;
+
+	/** @var string */
+	private $header;
+
+	/** @var string */
+	private $content;
+
+
+	/**
+	 * Response constructor.
+	 * @param string $originalUrl
+	 * @param string $header
+	 * @param string $content
+	 */
+	public function __construct(string $originalUrl, string $header, string $content)
+	{
+		$this->originalUrl = trim($originalUrl);
+		$this->header = trim($header);
+		$this->content = trim($content);
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function getOriginalUrl(): string
+	{
+		return $this->originalUrl;
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function getHeader(): string
+	{
+		return $this->header;
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function getContent(): string
+	{
+		return $this->content;
+	}
+
+}

src/ResponseHandler.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace JoopSchilder\Http2;
+
+/**
+ * Interface ResponseHandler
+ */
+interface ResponseHandler
+{
+	/**
+	 * @param Response $response
+	 * @return mixed
+	 */
+	function __invoke(Response $response): void;
+
+}