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<?php |
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namespace PhpCache\IO; |
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use PhpCache\IO\Exception\IOException; |
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/** |
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* Description of CacheIOHandler. |
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* |
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* @author dude920228 |
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*/ |
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class CacheIOHandler |
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{ |
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const SOCKET_TYPE_IP = 'ip'; |
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const SOCKET_TYPE_FILE = 'file'; |
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private $location; |
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private $serverPort; |
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private $bufferLength; |
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private $socketType; |
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public function __construct($location, $serverPort, $bufferLength, $socketType) |
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{ |
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$this->location = $location; |
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$this->serverPort = $serverPort; |
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$this->bufferLength = $bufferLength; |
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$this->socketType = $socketType; |
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} |
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public function writeToSocket($socket, $dataString) |
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{ |
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$bytes = socket_write($socket, $dataString, strlen($dataString)); |
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return $bytes; |
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} |
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public function createServerSocket() |
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{ |
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$socketType = AF_INET; |
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if ($this->socketType == self::SOCKET_TYPE_FILE) { |
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$socketType = AF_UNIX; |
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} |
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$socket = socket_create($socketType, SOCK_STREAM, 0); |
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socket_set_option($socket, SOL_SOCKET, SO_REUSEADDR, 1); |
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$bindResult = socket_bind($socket, $this->location, $this->serverPort); |
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if (!$bindResult) { |
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$errorCode = socket_last_error($socket); |
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$errorMsg = socket_strerror($errorCode); |
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throw new IOException( |
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sprintf( |
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"Couldn't create server socket on ip: %s, port: %d. Reason: %s", |
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$this->location, |
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$this->serverPort, |
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$errorMsg |
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) |
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); |
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} |
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socket_listen($socket); |
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return $socket; |
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} |
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public function createClientSocket() |
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{ |
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$socketType = AF_INET; |
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if ($this->socketType == self::SOCKET_TYPE_FILE) { |
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$socketType = AF_UNIX; |
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} |
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$socket = socket_create($socketType, SOCK_STREAM, 0); |
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$connectionResult = socket_connect( |
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$socket, |
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$this->location, |
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$this->serverPort |
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); |
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if (!$connectionResult) { |
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$errorCode = socket_last_error($socket); |
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$errorMsg = socket_strerror($errorCode); |
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throw new IOException( |
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sprintf( |
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"Couldn't connect to server socket on ip: %s, port: %d. Reason: %s", |
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$this->location, |
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$this->serverPort, |
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$errorMsg |
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) |
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); |
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} |
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return $socket; |
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} |
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public function readFromSocket($socket) |
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{ |
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$recv = ''; |
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$buffer = ''; |
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while (socket_recv($socket, $buffer, $this->bufferLength, MSG_WAITALL)) { |
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$recv .= $buffer; |
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} |
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return $recv; |
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} |
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public function closeSocket($socket) |
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{ |
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socket_close($socket); |
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} |
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public function removeSocket() |
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{ |
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if ($this->socketType == self::SOCKET_TYPE_FILE) { |
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unlink($this->location); |
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} |
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} |
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public function getServerIp() |
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{ |
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return $this->location; |
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} |
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public function getServerPort() |
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{ |
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return $this->serverPort; |
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} |
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public function getBufferLength() |
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{ |
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return $this->bufferLength; |
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} |
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} |
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dude920228 /
php-cache
