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<?php |
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/* |
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* Copyright (c) 2011-2015, Celestino Diaz <[email protected]> |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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namespace Brickoo\Component\IO\Stream; |
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use Brickoo\Component\IO\Stream\Exception\UnableToOpenStreamException; |
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/** |
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* SocketStream |
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* |
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* Implements a handler for creating socket based streams. |
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* @author Celestino Diaz <[email protected]> |
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*/ |
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class SocketStream implements Stream { |
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/** @var \Brickoo\Component\IO\Stream\SocketStreamConfig */ |
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private $streamConfig; |
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/** @var resource */ |
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private $resource; |
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/** @param SocketStreamConfig $streamConfig */ |
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public function __construct(SocketStreamConfig $streamConfig) { |
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$this->streamConfig = $streamConfig; |
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} |
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/** |
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* Returns the socket stream configuration. |
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* @return SocketStreamConfig |
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*/ |
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public function getConfiguration() { |
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return $this->streamConfig; |
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} |
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/** |
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* Reconfigure the socket stream context. |
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* @param SocketStreamConfig $streamConfig |
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* @return \Brickoo\Component\IO\Stream\SocketStream |
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*/ |
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public function reconfigure(SocketStreamConfig $streamConfig) { |
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$this->streamConfig = $streamConfig; |
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return $this; |
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} |
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/** {@inheritdoc} */ |
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public function open() { |
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if ($this->hasResource()) { |
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return $this->resource; |
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} |
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$errorCode = null; |
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$errorMessage = null; |
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$configuration = $this->getConfiguration(); |
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if (!($resource = @stream_socket_client( |
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$configuration->getSocketAddress(), |
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$errorCode, $errorMessage, |
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$configuration->getConnectionTimeout(), |
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$configuration->getConnectionType(), |
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stream_context_create($configuration->getContext()) |
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))) { |
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throw new UnableToOpenStreamException($errorMessage, $errorCode); |
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} |
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$this->resource = $resource; |
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return $resource; |
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} |
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/** {@inheritdoc} */ |
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public function close() { |
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if ($this->hasResource()) { |
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fclose($this->resource); |
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$this->resource = null; |
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} |
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} |
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/** Release stream resource on destruction. */ |
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public function __destruct() { |
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$this->close(); |
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} |
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/** |
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* Checks if the resource has been already created. |
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* @return boolean check result |
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*/ |
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private function hasResource() { |
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return is_resource($this->resource); |
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} |
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} |
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brickoo /
components
