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<?php |
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namespace Rvdv\Nntp\Socket; |
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use Rvdv\Nntp\Exception\SocketException; |
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/** |
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* @author Robin van der Vleuten <[email protected]> |
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*/ |
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class Socket implements SocketInterface |
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{ |
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/** |
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* @var resource |
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*/ |
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private $stream; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setBlocking($blocking) |
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{ |
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if (!stream_set_blocking($this->stream, $blocking ? 1 : 0)) { |
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throw new SocketException(); |
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} |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setReadBuffer($buffer) |
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{ |
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if (stream_set_read_buffer($this->stream, $buffer) !== 0) { |
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throw new SocketException(); |
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} |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function enableCrypto($enable, $cryptoType = STREAM_CRYPTO_METHOD_TLS_CLIENT) |
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{ |
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if (!stream_socket_enable_crypto($this->stream, $enable, $cryptoType)) { |
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throw new SocketException(); |
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} |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function connect($address, $timeout = null) |
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{ |
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if (!$this->stream = stream_socket_client($address, $errno, $errstr, $timeout, STREAM_CLIENT_CONNECT)) { |
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throw new SocketException(sprintf('Connection to %s failed: %s', $address, $errstr)); |
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} |
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// Use unbuffered read operations on the underlying stream resource. |
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// Reading chunks from the stream may otherwise leave unread bytes in |
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// PHP's stream buffers which some event loop implementations do not |
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// trigger events on (edge triggered). |
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// This does not affect the default event loop implementation (level |
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// triggered), so we can ignore platforms not supporting this (HHVM). |
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$this->setReadBuffer(0); |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function disconnect() |
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{ |
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if (!fclose($this->stream)) { |
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throw new SocketException(); |
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} |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function eof() |
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{ |
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return feof($this->stream); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function gets($length = null) |
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{ |
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if (($data = fgets($this->stream, $length)) === false) { |
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throw new SocketException(); |
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} |
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return $data; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function read($length) |
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{ |
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if (($data = fread($this->stream, $length)) === false) { |
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throw new SocketException(); |
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} |
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return $data; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function write($data) |
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{ |
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if (($bytes = fwrite($this->stream, $data)) === false) { |
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throw new SocketException(); |
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} |
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return $bytes; |
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} |
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} |
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