forked from hoaproject/Websocket
/
Server.php
144 lines (126 loc) · 4.09 KB
/
Server.php
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<?php
/**
* Hoa
*
*
* @license
*
* New BSD License
*
* Copyright © 2007-2015, Hoa community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Hoa nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
namespace Hoa\Websocket;
use Hoa\Http;
use Hoa\Socket;
/**
* Class \Hoa\Websocket\Server.
*
* A cross-protocol Websocket server.
*
* @copyright Copyright © 2007-2015 Hoa community
* @license New BSD License
*/
class Server extends Connection
{
/**
* Request (mainly parser).
*
* @var \Hoa\Http\Request
*/
protected $_request = null;
/**
* Create a Websocket server.
*
* @param \Hoa\Socket\Server $server Server.
* @param \Hoa\Http\Request $request Request parser.
* @return void
* @throws \Hoa\Socket\Exception
*/
public function __construct(
Socket\Server $server,
Http\Request $request = null
) {
parent::__construct($server);
if (null === $request) {
$request = new Http\Request();
}
$this->setRequest($request);
return;
}
/**
* Try the handshake by trying different protocol implementation.
*
* @return void
* @throws \Hoa\Websocket\Exception\BadProtocol
*/
protected function doHandshake()
{
$connection = $this->getConnection();
$buffer = $connection->read(2048);
$request = $this->getRequest();
$request->parse($buffer);
// Rfc6455.
try {
$rfc6455 = new Protocol\Rfc6455($connection);
$rfc6455->doHandshake($request);
$connection->getCurrentNode()->setProtocolImplementation($rfc6455);
} catch (Exception\BadProtocol $e) {
unset($rfc6455);
// Hybi00.
try {
$hybi00 = new Protocol\Hybi00($connection);
$hybi00->doHandshake($request);
$connection->getCurrentNode()->setProtocolImplementation($hybi00);
} catch (Exception\BadProtocol $e) {
unset($hybi00);
$connection->disconnect();
throw new Exception\BadProtocol('All protocol failed.', 1);
}
}
return;
}
/**
* Set request (mainly parser).
*
* @param \Hoa\Http\Request $request Request.
* @return \Hoa\Http\Request
*/
public function setRequest(Http\Request $request)
{
$old = $this->_request;
$this->_request = $request;
return $old;
}
/**
* Get request.
*
* @return \Hoa\Http\Request
*/
public function getRequest()
{
return $this->_request;
}
}