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<?php |
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namespace Onoi\HttpRequest; |
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use InvalidArgumentException; |
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use Closure; |
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/** |
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* @license GNU GPL v2+ |
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* @since 1.0 |
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* |
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* @author mwjames |
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*/ |
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class MultiCurlRequest implements HttpRequest { |
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/** |
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* @var resource |
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*/ |
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private $handle; |
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/** |
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* @var array |
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*/ |
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protected $options = array(); |
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/** |
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* @var CurlRequest[] |
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*/ |
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private $httpRequests = array(); |
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/** |
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* @var integer |
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*/ |
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private $lastErrorCode = 0; |
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/** |
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* @since 1.0 |
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* |
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* @param resource $handle |
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*/ |
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public function __construct( $handle ) { |
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if ( get_resource_type( $handle ) !== 'curl_multi' ) { |
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throw new InvalidArgumentException( "Expected a cURL multi resource type" ); |
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} |
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$this->handle = $handle; |
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} |
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/** |
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* @since 1.0 |
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* |
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* @return boolean |
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*/ |
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public function ping() { |
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$canConnect = false; |
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foreach ( $this->httpRequests as $httpRequest ) { |
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if ( !$httpRequest->ping() ) { |
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return false; |
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} |
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$canConnect = true; |
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} |
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return $canConnect; |
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} |
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/** |
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* @since 1.0 |
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* |
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* @param CurlRequest $httpRequest |
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*/ |
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public function addHttpRequest( CurlRequest $httpRequest ) { |
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$this->httpRequests[] = $httpRequest; |
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} |
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/** |
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* @since 1.0 |
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* @deprecated since 1.1, use ONOI_HTTP_REQUEST_ON_COMPLETED_CALLBACK instead |
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* |
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* @param Closure $callback |
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*/ |
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public function setCallback( Closure $callback ) { |
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$this->setOption( ONOI_HTTP_REQUEST_ON_COMPLETED_CALLBACK, $callback ); |
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} |
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/** |
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* @since 1.0 |
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* |
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* @param string $name |
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* @param mixed $value |
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*/ |
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public function setOption( $name, $value ) { |
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$this->options[$name] = $value; |
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// Internal ONOI options are not further relayed |
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if ( strpos( $name, 'ONOI_HTTP_REQUEST' ) !== false ) { |
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return; |
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} |
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curl_multi_setopt( |
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$this->handle, |
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$name, |
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$value |
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); |
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} |
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/** |
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* @since 1.0 |
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* |
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* @param string $name |
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* |
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* @return mixed|null |
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*/ |
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public function getOption( $name ) { |
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return isset( $this->options[$name] ) ? $this->options[$name] : null; |
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} |
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/** |
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* @since 1.0 |
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* |
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* @param string|null $name |
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* |
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* @return mixed |
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*/ |
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public function getLastTransferInfo( $name = null ) { |
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return curl_multi_info_read( $this->handle ); |
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} |
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/** |
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* @note PHP 5.5.0 |
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* |
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* @since 1.0 |
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* |
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* @return string |
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*/ |
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public function getLastError() { |
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return function_exists( 'curl_multi_strerror' ) ? curl_multi_strerror( $this->lastErrorCode ) : ''; |
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} |
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/** |
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* @since 1.0 |
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* |
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* @return integer |
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*/ |
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public function getLastErrorCode() { |
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return $this->lastErrorCode; |
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} |
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/** |
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* @since 1.0 |
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* |
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* @return array|null |
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*/ |
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public function execute() { |
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// Register all handles and monitor that |
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// all requests are executed |
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$handleExecutionCounter = array(); |
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foreach( $this->httpRequests as $httpRequest ) { |
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$httpRequest->setOption( CURLOPT_RETURNTRANSFER, true ); |
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$handleExecutionCounter[(int) $httpRequest() ] = true; |
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curl_multi_add_handle( $this->handle, $httpRequest() ); |
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} |
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$response = $this->doMakeMultiRequest( $handleExecutionCounter ); |
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return $response; |
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} |
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private function doMakeMultiRequest( $handleExecutionCounter ) { |
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$active = null; |
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$responses = array(); |
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// http://php.net/manual/en/function.curl-multi-init.php |
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// https://gist.github.com/Xeoncross/2362936 |
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do { |
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$this->lastErrorCode = curl_multi_exec( $this->handle, $active ); |
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// Wait for activity on any curl-connection |
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if ( curl_multi_select( $this->handle ) == -1 ) { |
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usleep( 100 ); |
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} |
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} while ( $this->lastErrorCode == CURLM_CALL_MULTI_PERFORM ); |
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while ( ( $active && $this->lastErrorCode == CURLM_OK ) || $handleExecutionCounter !== array() ) { |
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$requestResponse = $this->doCheckRequestResponse( $handleExecutionCounter ); |
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if ( $requestResponse !== null ) { |
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$responses[] = $requestResponse; |
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} |
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// Continue to exec until curl is ready |
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do { |
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$this->lastErrorCode = curl_multi_exec( $this->handle, $active ); |
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} while ( $this->lastErrorCode == CURLM_CALL_MULTI_PERFORM ); |
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} |
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return $responses; |
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} |
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private function doCheckRequestResponse( &$handleExecutionCounter ) { |
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$requestResponse = null; |
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if ( ( $state = curl_multi_info_read( $this->handle ) ) && $state["msg"] == CURLMSG_DONE ) { |
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$requestResponse = new RequestResponse( array( |
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'contents' => curl_multi_getcontent( $state['handle'] ), |
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'info' => curl_getinfo( $state['handle'] ) |
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) ); |
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unset( $handleExecutionCounter[(int) $state['handle']] ); |
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curl_multi_remove_handle( $this->handle, $state['handle'] ); |
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} |
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if ( is_callable( $this->getOption( ONOI_HTTP_REQUEST_ON_COMPLETED_CALLBACK ) ) && $requestResponse !== null ) { |
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call_user_func_array( $this->getOption( ONOI_HTTP_REQUEST_ON_COMPLETED_CALLBACK ), array( $requestResponse ) ); |
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} |
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return $requestResponse; |
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} |
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/** |
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* @since 1.0 |
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*/ |
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public function __destruct() { |
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curl_multi_close( $this->handle ); |
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} |
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} |
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onoi /
http-request
