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<?php |
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/** |
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* This file is part of GameQ. |
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* |
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* GameQ is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* GameQ is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace GameQ\Protocols; |
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use GameQ\Buffer; |
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use GameQ\Protocol; |
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use GameQ\Result; |
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/** |
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* All-Seeing Eye Protocol class |
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* |
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* @author Marcel Bößendörfer <[email protected]> |
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* @author Austin Bischoff <[email protected]> |
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*/ |
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class Ase extends Protocol |
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{ |
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/** |
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* Array of packets we want to look up. |
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* Each key should correspond to a defined method in this or a parent class |
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* |
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* @var array |
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*/ |
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protected $packets = [ |
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self::PACKET_ALL => "s", |
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]; |
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/** |
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* The query protocol used to make the call |
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* |
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* @var string |
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*/ |
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protected $protocol = 'ase'; |
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/** |
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* String name of this protocol class |
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* |
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* @var string |
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*/ |
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protected $name = 'ase'; |
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/** |
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* Longer string name of this protocol class |
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* |
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* @var string |
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*/ |
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protected $name_long = "All-Seeing Eye"; |
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/** |
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* Normalize settings for this protocol |
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* |
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* @var array |
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*/ |
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protected $normalize = [ |
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// General |
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'general' => [ |
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// target => source |
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'dedicated' => 'dedicated', |
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'gametype' => 'gametype', |
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'hostname' => 'servername', |
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'mapname' => 'map', |
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'maxplayers' => 'max_players', |
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'mod' => 'game_dir', |
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'numplayers' => 'num_players', |
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'password' => 'password', |
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], |
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// Individual |
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'player' => [ |
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'name' => 'name', |
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'score' => 'score', |
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'team' => 'team', |
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'ping' => 'ping', |
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'time' => 'time', |
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], |
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]; |
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/** |
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* Process the response |
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* |
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* @return array |
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* @throws \GameQ\Exception\Protocol |
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*/ |
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public function processResponse() |
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{ |
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// Create a new buffer |
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$buffer = new Buffer(implode('', $this->packets_response)); |
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// Check for valid response |
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if ($buffer->getLength() < 4) { |
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throw new \GameQ\Exception\Protocol(sprintf('%s The response from the server was empty.', __METHOD__)); |
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} |
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// Read the header |
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$header = $buffer->read(4); |
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// Verify header |
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if ($header !== 'EYE1') { |
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throw new \GameQ\Exception\Protocol(sprintf('%s The response header "%s" does not match expected "EYE1"', __METHOD__, $header)); |
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} |
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// Create a new result |
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$result = new Result(); |
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// Variables |
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$result->add('gamename', $buffer->readPascalString(1, true)); |
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$result->add('port', $buffer->readPascalString(1, true)); |
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$result->add('servername', $buffer->readPascalString(1, true)); |
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$result->add('gametype', $buffer->readPascalString(1, true)); |
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$result->add('map', $buffer->readPascalString(1, true)); |
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$result->add('version', $buffer->readPascalString(1, true)); |
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$result->add('password', $buffer->readPascalString(1, true)); |
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$result->add('num_players', $buffer->readPascalString(1, true)); |
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$result->add('max_players', $buffer->readPascalString(1, true)); |
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$result->add('dedicated', 1); |
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// Offload the key/value pair processing |
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$this->processKeyValuePairs($buffer, $result); |
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// Offload processing player and team info |
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$this->processPlayersAndTeams($buffer, $result); |
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unset($buffer); |
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return $result->fetch(); |
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} |
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// Internal methods |
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/** |
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* Handles processing the extra key/value pairs for server settings |
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* |
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* @param \GameQ\Buffer $buffer |
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* @param \GameQ\Result $result |
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* @throws \GameQ\Exception\Protocol |
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*/ |
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protected function processKeyValuePairs(Buffer &$buffer, Result &$result) |
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{ |
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// Key / value pairs |
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while ($buffer->getLength()) { |
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$key = $buffer->readPascalString(1, true); |
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// If we have an empty key, we've reached the end |
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if (empty($key)) { |
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break; |
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} |
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// Otherwise, add the pair |
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$result->add( |
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$key, |
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$buffer->readPascalString(1, true) |
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); |
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} |
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unset($key); |
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} |
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/** |
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* Handles processing the player and team data into a usable format |
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* |
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* @param \GameQ\Buffer $buffer |
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* @param \GameQ\Result $result |
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* @throws \GameQ\Exception\Protocol |
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*/ |
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protected function processPlayersAndTeams(Buffer &$buffer, Result &$result) |
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{ |
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// Players and team info |
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while ($buffer->getLength()) { |
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// Get the flags |
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$flags = $buffer->readInt8(); |
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// Get data according to the flags |
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if ($flags & 1) { |
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$result->addPlayer('name', $buffer->readPascalString(1, true)); |
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} |
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if ($flags & 2) { |
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$result->addPlayer('team', $buffer->readPascalString(1, true)); |
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} |
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if ($flags & 4) { |
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$result->addPlayer('skin', $buffer->readPascalString(1, true)); |
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} |
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if ($flags & 8) { |
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$result->addPlayer('score', $buffer->readPascalString(1, true)); |
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} |
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if ($flags & 16) { |
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$result->addPlayer('ping', $buffer->readPascalString(1, true)); |
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} |
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if ($flags & 32) { |
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$result->addPlayer('time', $buffer->readPascalString(1, true)); |
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} |
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} |
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} |
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} |
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