]> git.mxchange.org Git - hub.git/commitdiff
Introduced enableAcceptDhtBootstrap() + updated core.
authorRoland Haeder <roland@mxchange.org>
Thu, 20 Mar 2014 20:36:54 +0000 (21:36 +0100)
committerRoland Haeder <roland@mxchange.org>
Thu, 20 Mar 2014 20:36:54 +0000 (21:36 +0100)
Signed-off-by: Roland Haeder <roland@mxchange.org>
24 files changed:
application/hub/interfaces/distributable/class_Distributable.php
application/hub/interfaces/wrapper/class_NodeDhtWrapper.php
application/hub/main/database/.htaccess [deleted file]
application/hub/main/database/wrapper/.htaccess [deleted file]
application/hub/main/database/wrapper/cruncher/.htaccess [deleted file]
application/hub/main/database/wrapper/cruncher/class_CruncherUnitDatabaseWrapper.php [deleted file]
application/hub/main/database/wrapper/node/.htaccess [deleted file]
application/hub/main/database/wrapper/node/class_NodeDistributedHashTableDatabaseWrapper.php [deleted file]
application/hub/main/database/wrapper/node/class_NodeInformationDatabaseWrapper.php [deleted file]
application/hub/main/database/wrapper/node/class_NodeListDatabaseWrapper.php [deleted file]
application/hub/main/database/wrapper/states/.htaccess [deleted file]
application/hub/main/database/wrapper/states/class_PeerStateLookupDatabaseWrapper.php [deleted file]
application/hub/main/dht/class_BaseDht.php
application/hub/main/states/dht/virgin/class_DhtVirginState.php
application/hub/main/wrapper/.htaccess [new file with mode: 0644]
application/hub/main/wrapper/cruncher/.htaccess [new file with mode: 0644]
application/hub/main/wrapper/cruncher/class_CruncherUnitDatabaseWrapper.php [new file with mode: 0644]
application/hub/main/wrapper/node/.htaccess [new file with mode: 0644]
application/hub/main/wrapper/node/class_NodeDistributedHashTableDatabaseWrapper.php [new file with mode: 0644]
application/hub/main/wrapper/node/class_NodeInformationDatabaseWrapper.php [new file with mode: 0644]
application/hub/main/wrapper/node/class_NodeListDatabaseWrapper.php [new file with mode: 0644]
application/hub/main/wrapper/states/.htaccess [new file with mode: 0644]
application/hub/main/wrapper/states/class_PeerStateLookupDatabaseWrapper.php [new file with mode: 0644]
core

index 0743d683e0e0421640ff228b011291981d3ced53..4ed84d86a1636e519f32503f88cd70cf7c98f170 100644 (file)
@@ -106,6 +106,13 @@ interface Distributable extends FrameworkInterface {
         * @return      $recipientList  Array with DHT recipients from given key/value pair
         */
        function findRecipientsByKey ($key, $value);
+
+       /**
+        * Enable DHT bootstrap request acceptance for local node
+        *
+        * @return      void
+        */
+       function enableAcceptDhtBootstrap ();
 }
 
 // [EOF]
index b962cc9de0558d928e17342495820221878414da..9b8ba7a8d2fef423cb81ae6a8a2bad1556eb6e57 100644 (file)
@@ -158,6 +158,13 @@ interface NodeDhtWrapper extends DatabaseWrapper {
         * @return      $recipients             An indexed array with DHT recipients
         */
        function getResultFromKeyValue ($key, $value);
+
+       /**
+        * Enable DHT bootstrap request acceptance for local node
+        *
+        * @return      void
+        */
+       function enableAcceptDhtBootstrap ();
 }
 
 // [EOF]
diff --git a/application/hub/main/database/.htaccess b/application/hub/main/database/.htaccess
deleted file mode 100644 (file)
index 3a42882..0000000
+++ /dev/null
@@ -1 +0,0 @@
-Deny from all
diff --git a/application/hub/main/database/wrapper/.htaccess b/application/hub/main/database/wrapper/.htaccess
deleted file mode 100644 (file)
index 3a42882..0000000
+++ /dev/null
@@ -1 +0,0 @@
-Deny from all
diff --git a/application/hub/main/database/wrapper/cruncher/.htaccess b/application/hub/main/database/wrapper/cruncher/.htaccess
deleted file mode 100644 (file)
index 3a42882..0000000
+++ /dev/null
@@ -1 +0,0 @@
-Deny from all
diff --git a/application/hub/main/database/wrapper/cruncher/class_CruncherUnitDatabaseWrapper.php b/application/hub/main/database/wrapper/cruncher/class_CruncherUnitDatabaseWrapper.php
deleted file mode 100644 (file)
index 32bf476..0000000
+++ /dev/null
@@ -1,84 +0,0 @@
-<?php
-/**
- * A database wrapper for cruncher work/test units
- *
- * @author             Roland Haeder <webmaster@shipsimu.org>
- * @version            0.0.0
- * @copyright  Copyright (c) 2011 - 2012 Cruncher Developer Team
- * @license            GNU GPL 3.0 or any newer version
- * @link               http://www.shipsimu.org
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class CruncherUnitDatabaseWrapper extends BaseDatabaseWrapper implements UnitDatabaseWrapper, Registerable {
-       // Constants for database table names
-       const DB_TABLE_CRUNCHER_UNITS = 'cruncher_units';
-
-       // Constants for database column names
-       const DB_COLUMN_UNIT_TYPE   = 'unit_type';
-       const DB_COLUMN_UNIT_STATUS = 'unit_status';
-
-       /**
-        * Protected constructor
-        *
-        * @return      void
-        */
-       protected function __construct () {
-               // Call parent constructor
-               parent::__construct(__CLASS__);
-       }
-
-       /**
-        * Creates an instance of this database wrapper by a provided user class
-        *
-        * @return      $wrapperInstance        An instance of the created wrapper class
-        */
-       public static final function createCruncherUnitDatabaseWrapper () {
-               // Get a new instance
-               $wrapperInstance = new CruncherUnitDatabaseWrapper();
-
-               // Set (primary!) table name
-               $wrapperInstance->setTableName(self::DB_TABLE_CRUNCHER_UNITS);
-
-               // Return the instance
-               return $wrapperInstance;
-       }
-
-       /**
-        * Checks whether a test unit has been produced
-        *
-        * @return      $isProduced             Whether a test unit has already been produced
-        */
-       public function isTestUnitProduced () {
-               // Now get a search instance
-               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
-               // Add criteria for looking up already created and available test units
-               $searchInstance->addCriteria(self::DB_COLUMN_UNIT_TYPE  , BaseUnitProducer::UNIT_TYPE_TEST_UNIT);
-               $searchInstance->addCriteria(self::DB_COLUMN_UNIT_STATUS, BaseUnitProducer::UNIT_STATUS_AVAILABLE);
-               $searchInstance->setConfiguredLimit('cruncher_test_unit_max_count');
-
-               // Search for our units
-               $resultInstance = $this->doSelectByCriteria($searchInstance);
-
-               // Do we have some entries?
-               $isProduced = $resultInstance->next();
-
-               // Return it
-               return $isProduced;
-       }
-}
-
-// [EOF]
-?>
diff --git a/application/hub/main/database/wrapper/node/.htaccess b/application/hub/main/database/wrapper/node/.htaccess
deleted file mode 100644 (file)
index 3a42882..0000000
+++ /dev/null
@@ -1 +0,0 @@
-Deny from all
diff --git a/application/hub/main/database/wrapper/node/class_NodeDistributedHashTableDatabaseWrapper.php b/application/hub/main/database/wrapper/node/class_NodeDistributedHashTableDatabaseWrapper.php
deleted file mode 100644 (file)
index 08c8a77..0000000
+++ /dev/null
@@ -1,569 +0,0 @@
-<?php
-/**
- * A database wrapper for distributed hash tables
- *
- * @author             Roland Haeder <webmaster@shipsimu.org>
- * @version            0.0.0
- * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Hub Developer Team
- * @license            GNU GPL 3.0 or any newer version
- * @link               http://www.shipsimu.org
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class NodeDistributedHashTableDatabaseWrapper extends BaseDatabaseWrapper implements NodeDhtWrapper, Registerable {
-       /**
-        * "Cached" results for dabase for looking for unpublished entries
-        */
-       private $unpublishedEntriesInstance = NULL;
-
-       // Constants for database table names
-       const DB_TABLE_NODE_DHT = 'node_dht';
-
-       // Constants for database column names
-       const DB_COLUMN_NODE_ID            = 'node_id';
-       const DB_COLUMN_SESSION_ID         = 'session_id';
-       const DB_COLUMN_EXTERNAL_IP        = 'external_ip';
-       const DB_COLUMN_LISTEN_PORT        = 'listen_port';
-       const DB_COLUMN_PRIVATE_KEY_HASH   = 'private_key_hash';
-       const DB_COLUMN_NODE_MODE          = 'node_mode';
-       const DB_COLUMN_ACCEPTED_OBJECTS   = 'accepted_object_types';
-       const DB_COLUMN_NODE_LIST          = 'node_list';
-       const DB_COLUMN_PUBLICATION_STATUS = 'publication_status';
-       const DB_COLUMN_ANSWER_STATUS      = 'answer_status';
-       const DB_COLUMN_ACCEPT_BOOTSTRAP   = 'accept_bootstrap';
-
-       // Publication status'
-       const PUBLICATION_STATUS_PENDING = 'PENDING';
-
-       // Exception codes
-       const EXCEPTION_NODE_ALREADY_REGISTERED = 0x800;
-       const EXCEPTION_NODE_NOT_REGISTERED     = 0x801;
-
-       /**
-        * Protected constructor
-        *
-        * @return      void
-        */
-       protected function __construct () {
-               // Call parent constructor
-               parent::__construct(__CLASS__);
-       }
-
-       /**
-        * Creates an instance of this database wrapper by a provided user class
-        *
-        * @return      $wrapperInstance        An instance of the created wrapper class
-        */
-       public static final function createNodeDistributedHashTableDatabaseWrapper () {
-               // Get a new instance
-               $wrapperInstance = new NodeDistributedHashTableDatabaseWrapper();
-
-               // Set (primary!) table name
-               $wrapperInstance->setTableName(self::DB_TABLE_NODE_DHT);
-
-               // Return the instance
-               return $wrapperInstance;
-       }
-
-       /**
-        * Static getter for an array of all DHT database entries
-        *
-        * @return      $elements       All elements for the DHT dabase
-        */
-       public static final function getAllElements () {
-               // Create array and ...
-               $elements = array(
-                       self::DB_COLUMN_NODE_ID,
-                       self::DB_COLUMN_SESSION_ID,
-                       self::DB_COLUMN_EXTERNAL_IP,
-                       self::DB_COLUMN_LISTEN_PORT,
-                       self::DB_COLUMN_PRIVATE_KEY_HASH,
-                       self::DB_COLUMN_NODE_MODE,
-                       self::DB_COLUMN_ACCEPTED_OBJECTS,
-                       self::DB_COLUMN_NODE_LIST
-               );
-
-               // ... return it
-               return $elements;
-       }
-
-       /**
-        * Prepares a search instance for given node data
-        *
-        * @param       $nodeData                       An array with valid node data
-        * @return      $searchInstance         An instance of a SearchCriteria class
-        */
-       private function prepareSearchInstance (array $nodeData) {
-               // Assert on array elements
-               assert(isset($nodeData[self::DB_COLUMN_NODE_ID]));
-
-               // Get instance
-               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
-               // Search for node id and limit it to one entry
-               $searchInstance->addCriteria(self::DB_COLUMN_NODE_ID, $nodeData[self::DB_COLUMN_NODE_ID]);
-               $searchInstance->setLimit(1);
-
-               // Return it
-               return $searchInstance;
-       }
-
-       /**
-        * Getter for result instance for unpublished entries
-        *
-        * @return      $unpublishedEntriesInstance             Result instance
-        */
-       public final function getUnpublishedEntriesInstance () {
-               return $this->unpublishedEntriesInstance;
-       }
-
-       /**
-        * Prepares a "local" instance of a StoreableCriteria class with all node
-        * data for insert/update queries. This data set contains data from *this*
-        * (local) node.
-        *
-        * @return      $dataSetInstance        An instance of a StoreableCriteria class
-        */
-       private function prepareLocalDataSetInstance () {
-               // Get node/request instances
-               $nodeInstance = NodeObjectFactory::createNodeInstance();
-               $requestInstance = ApplicationHelper::getSelfInstance()->getRequestInstance();
-
-               // Get a dataset instance
-               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_DHT));
-
-               // Set the primary key
-               $dataSetInstance->setUniqueKey(self::DB_COLUMN_NODE_ID);
-
-               // Get ip:port combination and "explode" it
-               $ipPort = $nodeInstance->getAddressPortArray();
-
-               // Make sure both is valid
-               assert(($ipPort[0] !== 'invalid') && ($ipPort[1] !== 'invalid'));
-
-               // Get an array of all accepted object types
-               $objectList = $nodeInstance->getListFromAcceptedObjectTypes();
-
-               // Make sure this is an array
-               assert(is_array($objectList));
-
-               // Add public node data
-               $dataSetInstance->addCriteria(self::DB_COLUMN_NODE_MODE       , $requestInstance->getRequestElement('mode'));
-               $dataSetInstance->addCriteria(self::DB_COLUMN_EXTERNAL_IP     , $ipPort[0]);
-               $dataSetInstance->addCriteria(self::DB_COLUMN_LISTEN_PORT     , $ipPort[1]);
-               $dataSetInstance->addCriteria(self::DB_COLUMN_NODE_ID         , $nodeInstance->getNodeId());
-               $dataSetInstance->addCriteria(self::DB_COLUMN_SESSION_ID      , $nodeInstance->getSessionId());
-               $dataSetInstance->addCriteria(self::DB_COLUMN_PRIVATE_KEY_HASH, $nodeInstance->getPrivateKeyHash());
-               $dataSetInstance->addCriteria(self::DB_COLUMN_ACCEPTED_OBJECTS, implode(BaseHubNode::OBJECT_LIST_SEPARATOR, $objectList));
-
-               // Return it
-               return $dataSetInstance;
-       }
-
-       /**
-        * Checks whether the local (*this*) node is registered in the DHT by
-        * checking if the external ip/port is found.
-        *
-        * @return      $isRegistered   Whether *this* node is registered in the DHT
-        */
-       public function isLocalNodeRegistered () {
-               // Is there cache?
-               if (!isset($GLOBALS[__METHOD__])) {
-                       // Get a search criteria instance
-                       $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
-                       // Get node instance
-                       $nodeInstance = NodeObjectFactory::createNodeInstance();
-
-                       // Get ip:port combination and "explode" it
-                       $ipPort = $nodeInstance->getAddressPortArray();
-
-                       /*
-                        * Make sure both is not 'invalid' which means that the resolver
-                        * didn't work.
-                        */
-                       assert(($ipPort[0] !== 'invalid') && ($ipPort[1] !== 'invalid'));
-
-                       // Add ip:port/node id as criteria
-                       $searchInstance->addCriteria(self::DB_COLUMN_EXTERNAL_IP, $ipPort[0]);
-                       $searchInstance->addCriteria(self::DB_COLUMN_LISTEN_PORT, $ipPort[1]);
-                       $searchInstance->addCriteria(self::DB_COLUMN_NODE_ID    , $nodeInstance->getNodeId());
-                       $searchInstance->setLimit(1);
-
-                       // Query database and get a result instance back
-                       $resultInstance = $this->doSelectByCriteria($searchInstance);
-
-                       // Cache result of if there is an entry, valid() will tell us if an entry is there
-                       $GLOBALS[__METHOD__] = $resultInstance->valid();
-               } // END - if
-
-               // Return result
-               return $GLOBALS[__METHOD__];
-       }
-
-       /**
-        * Registeres the local (*this*) node with its data in the DHT.
-        *
-        * @return      void
-        */
-       public function registerLocalNode () {
-               // Assert to make sure this method is called with no record in DB (the actual backend of the DHT)
-               assert(!$this->isLocalNodeRegistered());
-
-               // Get prepared data set instance
-               $dataSetInstance = $this->prepareLocalDataSetInstance();
-
-               // "Insert" this dataset instance completely into the database
-               $this->queryInsertDataSet($dataSetInstance);
-       }
-
-       /**
-        * Updates local (*this*) node data in DHT, this is but not limited to the
-        * session id, ip number (and/or hostname) and port number.
-        *
-        * @return      void
-        */
-       public function updateLocalNode () {
-               // Assert to make sure this method is called with one record in DB (the actual backend of the DHT)
-               assert($this->isLocalNodeRegistered());
-
-               // Get node instance
-               $nodeInstance = NodeObjectFactory::createNodeInstance();
-
-               // Get search criteria
-               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
-               // Search for node id and limit it to one entry
-               $searchInstance->addCriteria(self::DB_COLUMN_NODE_ID, $nodeInstance->getNodeId());
-               $searchInstance->setLimit(1);
-
-               // Get a prepared dataset instance
-               $dataSetInstance = $this->prepareLocalDataSetInstance();
-
-               // Set search instance
-               $dataSetInstance->setSearchInstance($searchInstance);
-
-               // Update DHT database record
-               $this->queryUpdateDataSet($dataSetInstance);
-       }
-
-       /**
-        * Finds a node locally by given session id
-        *
-        * @param       $sessionId      Session id to lookup
-        * @return      $nodeData       Node data array
-        */
-       public function findNodeLocalBySessionId ($sessionId) {
-               // Get search criteria
-               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
-               // Search for session id and limit it to one entry
-               $searchInstance->addCriteria(self::DB_COLUMN_SESSION_ID, $sessionId);
-               $searchInstance->setLimit(1);
-
-               // Query database and get a result instance back
-               $resultInstance = $this->doSelectByCriteria($searchInstance);
-
-               // Return result instance
-               return $resultInstance;
-       }
-
-       /**
-        * Registeres a node by given message data.
-        *
-        * @param       $messageData            An array of all message data
-        * @param       $handlerInstance        An instance of a Handleable class
-        * @return      void
-        */
-       public function registerNodeByMessageData (array $messageData, Handleable $handlerInstance) {
-               // Get a data set instance
-               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_DHT));
-
-               // Set primary key (session id)
-               $dataSetInstance->setUniqueKey(self::DB_COLUMN_SESSION_ID);
-
-               // Add all array elements
-               $handlerInstance->addArrayToDataSet($dataSetInstance, $messageData);
-
-               // Remove 'node_list'
-               $dataSetInstance->unsetCriteria(self::DB_COLUMN_NODE_LIST);
-
-               // Run the "INSERT" query
-               $this->queryInsertDataSet($dataSetInstance);
-       }
-
-       /**
-        * Updates an existing entry in node list
-        *
-        * @param       $messageData            An array of all message data
-        * @param       $handlerInstance        An instance of a Handleable class
-        * @param       $searchInstance         An instance of LocalSearchCriteria class
-        * @return      void
-        */
-       public function updateNodeByMessageData (array $messageData, Handleable $handlerInstance, LocalSearchCriteria $searchInstance) {
-               // Get a data set instance
-               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_DHT));
-
-               // Add search instance
-               $dataSetInstance->setSearchInstance($searchInstance);
-
-               // Set primary key (session id)
-               $dataSetInstance->setUniqueKey(self::DB_COLUMN_SESSION_ID);
-
-               // Add all array elements
-               $handlerInstance->addArrayToDataSet($dataSetInstance, $messageData);
-
-               // Remove 'node_list'
-               $dataSetInstance->unsetCriteria(self::DB_COLUMN_NODE_LIST);
-
-               // Run the "UPDATE" query
-               $this->queryUpdateDataSet($dataSetInstance);
-       }
-
-       /**
-        * Determines whether the given node data is already inserted in the DHT
-        *
-        * @param       $nodeData               An array with valid node data
-        * @return      $isRegistered   Whether the given node data is already inserted
-        */
-       public function isNodeRegistered (array $nodeData) {
-               // Assert on array elements
-               assert(isset($nodeData[self::DB_COLUMN_NODE_ID]));
-
-               // Get search criteria
-               $searchInstance = $this->prepareSearchInstance($nodeData);
-
-               // Query database and get a result instance back
-               $resultInstance = $this->doSelectByCriteria(
-                       // Search instance
-                       $searchInstance,
-                       // Only look for these array elements ("keys")
-                       array(
-                               self::DB_COLUMN_NODE_ID     => TRUE,
-                               self::DB_COLUMN_EXTERNAL_IP => TRUE,
-                               self::DB_COLUMN_LISTEN_PORT => TRUE,
-                       )
-               );
-
-               // Check if there is an entry
-               $isRegistered = $resultInstance->valid();
-
-               // Return registration status
-               return $isRegistered;
-       }
-
-       /**
-        * Registers a node with given data in the DHT. If the node is already
-        * registered this method shall throw an exception.
-        *
-        * @param       $nodeData       An array with valid node data
-        * @return      void
-        * @throws      NodeAlreadyRegisteredException  If the node is already registered
-        */
-       public function registerNode (array $nodeData) {
-               // Assert on array elements
-               assert(isset($nodeData[self::DB_COLUMN_NODE_ID]));
-
-               // Is the node registered?
-               if ($this->isNodeRegistered($nodeData)) {
-                       // Throw an exception
-                       throw new NodeAlreadyRegisteredException(array($this, $nodeData), self::EXCEPTION_NODE_ALREADY_REGISTERED);
-               } // END - if
-
-               // @TODO Unimplemented part
-               $this->partialStub('nodeData=' . print_r($nodeData, TRUE));
-       }
-
-       /**
-        * Updates a node's entry in the DHT with given data. This will enrich or
-        * just update already exsiting data. If the node is not found this method
-        * shall throw an exception.
-        *
-        * @param       $nodeData       An array with valid node data
-        * @return      void
-        * @throws      NodeDataMissingException        If the node's data is missing
-        */
-       public function updateNode (array $nodeData) {
-               // Assert on array elements
-               assert(isset($nodeData[self::DB_COLUMN_NODE_ID]));
-
-               // Is the node registered?
-               if (!$this->isNodeRegistered($nodeData)) {
-                       // No, then throw an exception
-                       throw new NodeDataMissingException(array($this, $nodeData), self::EXCEPTION_NODE_NOT_REGISTERED);
-               } // END - if
-
-               // Get a search instance
-               $searchInstance = $this->prepareSearchInstance($nodeData);
-
-               // Get a data set instance
-               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_DHT));
-
-               // Add search instance
-               $dataSetInstance->setSearchInstance($searchInstance);
-
-               // Set primary key (session id)
-               $dataSetInstance->setUniqueKey(self::DB_COLUMN_SESSION_ID);
-
-               // Get node instance
-               $nodeInstance = NodeObjectFactory::createNodeInstance();
-
-               // Add all array elements
-               $nodeInstance->addArrayToDataSet($dataSetInstance, $nodeData);
-
-               // Remove 'node_list'
-               $dataSetInstance->unsetCriteria(self::DB_COLUMN_NODE_LIST);
-
-               // Run the "UPDATE" query
-               $this->queryUpdateDataSet($dataSetInstance);
-       }
-
-       /**
-        * Checks whether there are unpublished entries
-        *
-        * @return      $hasUnpublished         Whether there are unpublished entries
-        * @todo        Add minimum/maximum age limitations
-        */
-       public function hasUnpublishedEntries () {
-               // Get search instance
-               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
-               // Add exclusion key which is the publish status
-               $searchInstance->addExcludeCriteria(NodeDistributedHashTableDatabaseWrapper::DB_COLUMN_PUBLICATION_STATUS, NodeDistributedHashTableDatabaseWrapper::PUBLICATION_STATUS_PENDING);
-
-               // Remember search instance
-               $this->setSearchInstance($searchInstance);
-
-               // Run the query
-               $this->unpublishedEntriesInstance = $this->doSelectByCriteria($searchInstance);
-
-               // Check pending entries
-               $hasUnpublished = $this->unpublishedEntriesInstance->valid();
-
-               // Return it
-               return $hasUnpublished;
-       }
-
-       /**
-        * Initializes publication of DHT entries. This does only prepare
-        * publication. The next step is to pickup such prepared entries and publish
-        * them by uploading to other (recently appeared) DHT members.
-        *
-        * @return      void
-        * @todo        Add timestamp to dataset instance
-        */
-       public function initEntryPublication () {
-               /*
-                * Make sure that hasUnpublishedEntries() has been called first by
-                * asserting on the "cached" object instance. This "caching" saves some
-                * needless queries as this method shall be called immediately after
-                * hasUnpublishedEntries() returns TRUE.
-                */
-               assert($this->unpublishedEntriesInstance instanceof SearchableResult);
-
-               // Result is still okay?
-               assert($this->unpublishedEntriesInstance->valid());
-
-               // Remove 'publication_status'
-               $this->getSearchInstance()->unsetCriteria(self::DB_COLUMN_PUBLICATION_STATUS);
-
-               // Make sure all entries are marked as pending, first get a dataset instance.
-               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_DHT));
-
-               // Add search instance
-               $dataSetInstance->setSearchInstance($this->getSearchInstance());
-
-               // Set primary key (node id)
-               $dataSetInstance->setUniqueKey(self::DB_COLUMN_NODE_ID);
-
-               // Add criteria (that should be set)
-               $dataSetInstance->addCriteria(self::DB_COLUMN_PUBLICATION_STATUS, self::PUBLICATION_STATUS_PENDING);
-
-               // Run the "UPDATE" query
-               $this->queryUpdateDataSet($dataSetInstance);
-       }
-
-       /**
-        * Removes non-public data from given array.
-        *
-        * @param       $data   An array with possible non-public data that needs to be removed.
-        * @return      $data   A cleaned up array with only public data.
-        */
-       public function removeNonPublicDataFromArray(array $data) {
-               // Currently call only inner method
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DHT-WRAPPER[' . $this->__toString() . ']: Calling parent::removeNonPublicDataFromArray(data) ...');
-               $data = parent::removeNonPublicDataFromArray($data);
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DHT-WRAPPER[' . $this->__toString() . ']: data[]=' . gettype($data));
-
-               // Return cleaned data
-               return $data;
-       }
-
-       /**
-        * Find recipients for given package data and exclude the sender
-        *
-        * @param       $packageData    An array of valid package data
-        * @return      $recipients             An indexed array with DHT recipients
-        */
-       public function getResultFromExcludedSender (array $packageData) {
-               // Assert on required array field
-               assert(isset($packageData[NetworkPackage::PACKAGE_DATA_SENDER]));
-
-               // Get max recipients
-               $maxRecipients = $this->getConfigInstance()->getConfigEntry('max_dht_recipients');
-
-               // First creata a search instance
-               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
-               // Then exclude 'sender' field as the sender is the current (*this*) node
-               $searchInstance->addExcludeCriteria(NodeDistributedHashTableDatabaseWrapper::DB_COLUMN_SESSION_ID, $packageData[NetworkPackage::PACKAGE_DATA_SENDER]);
-
-               // Set limit to maximum DHT recipients
-               $searchInstance->setLimit($maxRecipients);
-
-               // Get a result instance back from DHT database wrapper.
-               $resultInstance = $this->doSelectByCriteria($searchInstance);
-
-               // Return result instance
-               return $resultInstance;
-       }
-
-       /**
-        * Find recopients by given key/value pair. First look for the key and if it
-        * matches, compare the value.
-        *
-        * @param       $key                    Key to look for
-        * @param       $value                  Value to compare if key matches
-        * @return      $recipients             An indexed array with DHT recipients
-        */
-       public function getResultFromKeyValue ($key, $value) {
-               // Get max recipients
-               $maxRecipients = $this->getConfigInstance()->getConfigEntry('max_dht_recipients');
-
-               // First creata a search instance
-               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
-               // Find the key/value pair
-               $searchInstance->addCriteria($key, $value);
-
-               // Get a result instance back from DHT database wrapper.
-               $resultInstance = $this->doSelectByCriteria($searchInstance);
-
-               // Return result instance
-               return $resultInstance;
-       }
-}
-
-// [EOF]
-?>
diff --git a/application/hub/main/database/wrapper/node/class_NodeInformationDatabaseWrapper.php b/application/hub/main/database/wrapper/node/class_NodeInformationDatabaseWrapper.php
deleted file mode 100644 (file)
index 820102f..0000000
+++ /dev/null
@@ -1,184 +0,0 @@
-<?php
-/**
- * A database wrapper for node informations
- *
- * @author             Roland Haeder <webmaster@shipsimu.org>
- * @version            0.0.0
- * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Hub Developer Team
- * @license            GNU GPL 3.0 or any newer version
- * @link               http://www.shipsimu.org
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class NodeInformationDatabaseWrapper extends BaseDatabaseWrapper implements NodeInformationWrapper, Registerable {
-       // Constants for database table names
-       const DB_TABLE_NODE_INFORMATION = 'node_data';
-
-       // Constants for database column names
-       const DB_COLUMN_NODE_NR          = 'node_nr';
-       const DB_COLUMN_NODE_ID          = 'node_id';
-       const DB_COLUMN_SESSION_ID       = 'session_id';
-       const DB_COLUMN_PRIVATE_KEY      = 'private_key';
-       const DB_COLUMN_PRIVATE_KEY_HASH = 'private_key_hash';
-       const DB_COLUMN_NODE_MODE        = 'node_mode';
-
-       /**
-        * Protected constructor
-        *
-        * @return      void
-        */
-       protected function __construct () {
-               // Call parent constructor
-               parent::__construct(__CLASS__);
-       }
-
-       /**
-        * Creates an instance of this database wrapper by a provided user class
-        *
-        * @return      $wrapperInstance        An instance of the created wrapper class
-        */
-       public static final function createNodeInformationDatabaseWrapper () {
-               // Get a new instance
-               $wrapperInstance = new NodeInformationDatabaseWrapper();
-
-               // Set (primary!) table name
-               $wrapperInstance->setTableName(self::DB_TABLE_NODE_INFORMATION);
-
-               // Return the instance
-               return $wrapperInstance;
-       }
-
-       /**
-        * Checks whether there is an entry for given node instance
-        *
-        * @param       $nodeInstance   An instance of a NodeHelper class
-        * @return      $isFound                Whether a node id has been found for this node
-        */
-       public function ifNodeDataIsFound (NodeHelper $nodeInstance) {
-               // Is there cache?
-               if (!isset($GLOBALS[__METHOD__])) {
-                       // Now get a search criteria instance
-                       $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
-                       // Search for the node number one which is hard-coded the default
-                       $searchInstance->addCriteria(NodeInformationDatabaseWrapper::DB_COLUMN_NODE_NR  , 1);
-                       $searchInstance->addCriteria(NodeInformationDatabaseWrapper::DB_COLUMN_NODE_MODE, $nodeInstance->getRequestInstance()->getRequestElement('mode'));
-                       $searchInstance->setLimit(1);
-
-                       // Get a result back
-                       $resultInstance = $this->doSelectByCriteria($searchInstance);
-
-                       // Set result instance in node instance
-                       $nodeInstance->setResultInstance($resultInstance);
-
-                       // Is it valid?
-                       $GLOBALS[__METHOD__] = $resultInstance->next();
-               } // END - if
-
-               // Return it
-               return $GLOBALS[__METHOD__];
-       }
-
-       /**
-        * 'Registers' a new node id along with data provided in the node instance.
-        * This may sound confusing but avoids double code very nicely...
-        *
-        * @param       $nodeInstance           A node instance
-        * @param       $requestInstance        An instance of a Requestable class
-        * @return      void
-        */
-       public function registerNodeId (BaseHubNode $nodeInstance, Requestable $requestInstance) {
-               // Get a dataset instance
-               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_INFORMATION));
-
-               // Set the primary key
-               $dataSetInstance->setUniqueKey(self::DB_COLUMN_NODE_ID);
-
-               // Add registration elements to the dataset
-               $nodeInstance->addElementsToDataSet($dataSetInstance, $requestInstance);
-
-               // "Insert" this dataset instance completely into the database
-               $this->queryInsertDataSet($dataSetInstance);
-       }
-
-       /**
-        * 'Registers' a new session id along with data provided in the node instance.
-        * This may sound confusing but avoids double code very nicely...
-        *
-        * @param       $nodeInstance           An instance of a BaseHubNode class
-        * @param       $requestInstance        An instance of a Requestable class
-        * @param       $searchInstance         An instance of a LocalSearchCriteria class
-        * @return      void
-        */
-       public function registerSessionId (BaseHubNode $nodeInstance, Requestable $requestInstance, LocalSearchCriteria $searchInstance) {
-               // Get a dataset instance
-               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_INFORMATION));
-
-               // Set search instance
-               $dataSetInstance->setSearchInstance($searchInstance);
-
-               // Set the primary key
-               $dataSetInstance->setUniqueKey(self::DB_COLUMN_NODE_ID);
-
-               // Add registration elements to the dataset
-               $nodeInstance->addElementsToDataSet($dataSetInstance, $requestInstance);
-
-               // Update database record
-               $this->queryUpdateDataSet($dataSetInstance);
-       }
-
-       /**
-        * 'Registers' a private key along with data provided in the node instance.
-        * This may sound confusing but avoids double code very nicely...
-        *
-        * @param       $nodeInstance           An instance of a BaseHubNode class
-        * @param       $requestInstance        An instance of a Requestable class
-        * @param       $searchInstance         An instance of a LocalSearchCriteria class
-        * @return      void
-        */
-       public function registerPrivateKey (BaseHubNode $nodeInstance, Requestable $requestInstance, LocalSearchCriteria $searchInstance) {
-               // Get a dataset instance
-               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_INFORMATION));
-
-               // Set the primary key
-               $dataSetInstance->setUniqueKey(self::DB_COLUMN_NODE_ID);
-
-               // Set search instance
-               $dataSetInstance->setSearchInstance($searchInstance);
-
-               // Add registration elements to the dataset
-               $nodeInstance->addElementsToDataSet($dataSetInstance, $requestInstance);
-
-               // Update database record
-               $this->queryUpdateDataSet($dataSetInstance);
-       }
-
-       /**
-        * Removes non-public data from given array.
-        *
-        * @param       $data   An array with possible non-public data that needs to be removed.
-        * @return      $data   A cleaned up array with only public data.
-        */
-       public function removeNonPublicDataFromArray(array $data) {
-               // Currently call only inner method
-               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE-WRAPPER[' . $this->__toString() . ']: Calling parent::removeNonPublicDataFromArray(data) ...');
-               $data = parent::removeNonPublicDataFromArray($data);
-
-               // Return cleaned data
-               return $data;
-       }
-}
-
-// [EOF]
-?>
diff --git a/application/hub/main/database/wrapper/node/class_NodeListDatabaseWrapper.php b/application/hub/main/database/wrapper/node/class_NodeListDatabaseWrapper.php
deleted file mode 100644 (file)
index f551ef4..0000000
+++ /dev/null
@@ -1,3 +0,0 @@
-<?php
-// @DEPRECATED
-?>
diff --git a/application/hub/main/database/wrapper/states/.htaccess b/application/hub/main/database/wrapper/states/.htaccess
deleted file mode 100644 (file)
index 3a42882..0000000
+++ /dev/null
@@ -1 +0,0 @@
-Deny from all
diff --git a/application/hub/main/database/wrapper/states/class_PeerStateLookupDatabaseWrapper.php b/application/hub/main/database/wrapper/states/class_PeerStateLookupDatabaseWrapper.php
deleted file mode 100644 (file)
index 1c740fd..0000000
+++ /dev/null
@@ -1,274 +0,0 @@
-<?php
-/**
- * A database wrapper for peer state lookups
- *
- * @author             Roland Haeder <webmaster@shipsimu.org>
- * @version            0.0.0
- * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Hub Developer Team
- * @license            GNU GPL 3.0 or any newer version
- * @link               http://www.shipsimu.org
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class PeerStateLookupDatabaseWrapper extends BaseDatabaseWrapper implements LookupablePeerState {
-       // Exception constants
-       const EXCEPTION_PEER_ALREADY_REGISTERED = 0x300;
-
-       // Constants for database table names
-       const DB_TABLE_PEER_LOOKUP = 'peer_states';
-
-       // Constants for database column names
-       const DB_COLUMN_PEER_IP           = 'peer_ip';
-       const DB_COLUMN_PEER_PORT         = 'peer_port';
-       const DB_COLUMN_PEER_SESSION_ID   = 'peer_session_id';
-       const DB_COLUMN_PEER_STATE        = 'peer_state';
-       const DB_COLUMN_SOCKET_ERROR_CODE = 'socket_error_code';
-       const DB_COLUMN_SOCKET_ERROR_MSG  = 'socket_error_msg';
-
-       /**
-        * Protected constructor
-        *
-        * @return      void
-        */
-       protected function __construct () {
-               // Call parent constructor
-               parent::__construct(__CLASS__);
-       }
-
-       /**
-        * Creates an instance of this database wrapper by a provided user class
-        *
-        * @return      $wrapperInstance        An instance of the created wrapper class
-        */
-       public static final function createPeerStateLookupDatabaseWrapper () {
-               // Get a new instance
-               $wrapperInstance = new PeerStateLookupDatabaseWrapper();
-
-               // Set (primary!) table name
-               $wrapperInstance->setTableName(self::DB_TABLE_PEER_LOOKUP);
-
-               // Return the instance
-               return $wrapperInstance;
-       }
-
-       /**
-        * "Getter" for a LocalSearchCriteria from given package data's sender
-        *
-        * @param       $packageData            Valid raw package data array
-        * @return      $searchInstance         An instance of a LocalSearchCriteria class
-        */
-       private function getSenderSearchInstanceFromPackageData (array $packageData) {
-               // Get the instance
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: Searching for sender ' . $packageData[NetworkPackage::PACKAGE_DATA_SENDER]);
-               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
-               // Add 'sender' as the peer's IP address
-               $searchInstance->addCriteria(self::DB_COLUMN_PEER_SESSION_ID, $packageData[NetworkPackage::PACKAGE_DATA_SENDER]);
-               $searchInstance->setLimit(1);
-
-               // Return the instance
-               return $searchInstance;
-       }
-
-       /**
-        * Checks whether given 'sender' is a new peer
-        *
-        * @param       $packageData            Raw package data
-        * @param       $dataSetInstance        An optional instance of a StoreableCriteria class
-        * @return      $isNewPeer                      Whether 'sender' is a new peer to this peer
-        */
-       public function isSenderNewPeer (array $packageData, StoreableCriteria $dataSetInstance = NULL) {
-               // Debug message
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: ' . __FUNCTION__ . ' called with packageData()=' . count($packageData) . ' - ENTERED!');
-
-               // Is the package valid?
-               if (!isset($packageData[NetworkPackage::PACKAGE_DATA_SENDER])) {
-                       // Invalid package found, please report this
-                       $this->debugBackTrace('[' . __METHOD__ . ':' . __LINE__ . ']:  packageData=' . print_r($packageData, TRUE));
-               } // END - if
-
-               // Get a search criteria instance from package data
-               $searchInstance = $this->getSenderSearchInstanceFromPackageData($packageData);
-
-               // Is the dataset instance set?
-               if ($dataSetInstance instanceof StoreableCriteria) {
-                       // Then remember the search instance in it
-                       $dataSetInstance->setSearchInstance($searchInstance);
-               } // END - if
-
-               // Count the query
-               $entries = $this->doSelectCountByCriteria($searchInstance, array(self::DB_COLUMN_PEER_SESSION_ID => TRUE));
-
-               // Is it there?
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: entries=' . $entries);
-               $isNewPeer = ($entries != 1);
-
-               // Return the result
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: isNewPeer=' . intval($isNewPeer) . ' - EXIT!');
-               return $isNewPeer;
-       }
-
-       /**
-        * Registers a new peer with given package data. We use the session id from it.
-        *
-        * @param       $packageData            Raw package data
-        * @param       $socketResource         A valid socket resource
-        * @return      void
-        * @throws      PeerAlreadyRegisteredException  If a peer is already registered
-        */
-       public function registerPeerByPackageData (array $packageData, $socketResource) {
-               // Make sure only new peers can be registered with package data
-               if (!$this->isSenderNewPeer($packageData)) {
-                       // Throw an exception because this should normally not happen
-                       throw new PeerAlreadyRegisteredException(array($this, $packageData), self::EXCEPTION_PEER_ALREADY_REGISTERED);
-               } // END - if
-
-               // Generate a dataset instance
-               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_PEER_LOOKUP));
-
-               // Session ids must be unique
-               $dataSetInstance->setUniqueKey(self::DB_COLUMN_PEER_SESSION_ID);
-
-               // Add session id
-               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_SESSION_ID, $packageData[NetworkPackage::PACKAGE_DATA_SENDER]);
-
-               // Get peer name
-               if (!@socket_getpeername($socketResource, $peerName, $peerPort)) {
-                       // Get last error
-                       $lastError = socket_last_error($socketResource);
-
-                       // ... and cleartext message from it and put both into criteria
-                       $dataSetInstance->addCriteria(self::DB_COLUMN_SOCKET_ERROR_CODE, $lastError);
-                       $dataSetInstance->addCriteria(self::DB_COLUMN_SOCKET_ERROR_MSG , socket_strerror($lastError));
-               } // END - if
-
-               // Add ip address and port
-               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_IP  , $peerName);
-               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_PORT, $peerPort);
-
-               // "Insert" the data set
-               $this->queryInsertDataSet($dataSetInstance, array(self::DB_COLUMN_PEER_SESSION_ID => TRUE));
-
-               // Debug message
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: Peer ' . $packageData[NetworkPackage::PACKAGE_DATA_SENDER] . ' has been registered.');
-       }
-
-       /**
-        * Registers the given peer state and raw package data
-        *
-        * @param       $stateInstance  A PeerStateable class instance
-        * @param       $packageData    Valid package data array
-        * @return      void
-        * @throws      PeerAlreadyRegisteredException  If a peer is already registered
-        * @todo        Unfinished area
-        */
-       public function registerPeerState (PeerStateable $stateInstance, array $packageData) {
-               // Generate a dataset instance
-               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_PEER_LOOKUP));
-
-               // Session ids must be unique
-               $dataSetInstance->setUniqueKey(self::DB_COLUMN_PEER_SESSION_ID);
-
-               // Add session id
-               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_SESSION_ID, $packageData[NetworkPackage::PACKAGE_DATA_SENDER]);
-               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_STATE     , $stateInstance->getStateName());
-
-               // Try to resolve sender's session id
-               $senderData = explode(':', HubTools::resolveSessionId($packageData[NetworkPackage::PACKAGE_DATA_SENDER]));
-
-               // Just make sure that 'invalid:invalid' is not being processed
-               assert(($senderData[0] != 'invalid') && ($senderData[1] != 'invalid'));
-
-               // Add ip address and port
-               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_IP  , $senderData[0]);
-               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_PORT, $senderData[1]);
-
-               // Is this a new peer?
-               if ($this->isSenderNewPeer($packageData, $dataSetInstance)) {
-                       // "Insert" the data set
-                       $this->queryInsertDataSet($dataSetInstance, array(self::DB_COLUMN_PEER_SESSION_ID => TRUE));
-               } else {
-                       // Update the data set
-                       $this->queryUpdateDataSet($dataSetInstance, array(self::DB_COLUMN_PEER_SESSION_ID => TRUE));
-               }
-
-               // Debug message
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: Peer ' . $packageData[NetworkPackage::PACKAGE_DATA_SENDER] . ' has been registered/updated with state ' . $stateInstance->getStateName());
-       }
-
-       /**
-        * Purges old entries of given socket resource. We use the IP address from that resource.
-        *
-        * @param       $socketResource         A valid socket resource
-        * @return      void
-        * @throws      InvalidSocketException  If the socket resource was invalid
-        * @todo        Unfinished area
-        */
-       public function purgeOldEntriesBySocketResource ($socketResource) {
-               // Get peer name
-               if (!@socket_getpeername($socketResource, $peerName, $peerPort)) {
-                       // Get last error
-                       $lastError = socket_last_error($socketResource);
-
-                       // Doesn't work!
-                       throw new InvalidSocketException(array($this, $socketResource, $lastError, socket_strerror($lastError)), BaseListener::EXCEPTION_INVALID_SOCKET);
-               } // END - if
-
-               // Debug message
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: peerName=' . $peerName . ',peerPort=' . $peerPort . ' - UNFINISHED!');
-       }
-
-       /**
-        * Checks whether a given peer state (in helper instance) is same as stored
-        * in database compared with the one from $helperInstance.
-        *
-        * @param       $helperInstance                 An instance of a ConnectionHelper class
-        * @param       $packageData                    Valid package data array
-        * @return      $isSamePeerState                Whether the peer's state is the same
-        */
-       public function isSamePeerState (ConnectionHelper $helperInstance, array $packageData) {
-               // Debug message
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: State ' . $helperInstance->getPrintableState() . ' needs to be checked it has changed ...');
-
-               // Now get the search instance from given package data
-               $searchInstance = $this->getSenderSearchInstanceFromPackageData($packageData);
-
-               // With this search instance query the database for the peer and get a result instance
-               $resultInstance = $this->doSelectByCriteria($searchInstance);
-
-               // Do we have an entry? This should always the case
-               assert($resultInstance->next());
-
-               // Yes, so get the current (=first) entry from it
-               $rowData = $resultInstance->current();
-
-               // Debug message
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: rowData[' . gettype($rowData) . ']=' . print_r($rowData, TRUE));
-
-               // Assert on important elements
-               assert(isset($rowData[self::DB_COLUMN_PEER_STATE]));
-
-               // Now just compare it with given state from helper instance
-               $isSamePeerState = ($rowData[self::DB_COLUMN_PEER_STATE] == $helperInstance->getPrintableState());
-
-               // Debug message
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: state in database: ' . $rowData[self::DB_COLUMN_PEER_STATE] . ', new state: ' . $helperInstance->getPrintableState() . ',isSamePeerState=' . intval($isSamePeerState));
-
-               // Return it
-               return $isSamePeerState;
-       }
-}
-
-// [EOF]
-?>
index 7a667811aa99df7167befcb1698875bb367079fb..64dda6e4712565e3507f7829eee9a7e346e5f3d2 100644 (file)
@@ -246,6 +246,18 @@ abstract class BaseDht extends BaseHubSystem implements Distributable {
         */
        public function hasFullyBootstrapped () {
                // Get state and check it
+               $this->partialStub('Please implement this method.');
+       }
+
+       /**
+        * Enable DHT bootstrap request acceptance for local node
+        *
+        * @return      void
+        * @todo        Switch flag 'accept_bootstrap'
+        */
+       public function enableAcceptDhtBootstrap () {
+               // Call method on database wrapper
+               $this->getWrapperInstance()->enableAcceptDhtBootstrap();
        }
 }
 
index 838bc570dd8b25c2d6be5c23b06caa44fefba2c0..69882f3674063fc3570b3b60464692030f19f55e 100644 (file)
@@ -54,6 +54,9 @@ class DhtVirginState extends BaseDhtState implements Stateable {
                // Get node instance and enable DHT bootstrap requests
                NodeObjectFactory::createNodeInstance()->enableAcceptDhtBootstrap();
 
+               // Update DHT node info as well
+               $dhtInstance->enableAcceptDhtBootstrap();
+
                // Return the prepared instance
                return $stateInstance;
        }
diff --git a/application/hub/main/wrapper/.htaccess b/application/hub/main/wrapper/.htaccess
new file mode 100644 (file)
index 0000000..3a42882
--- /dev/null
@@ -0,0 +1 @@
+Deny from all
diff --git a/application/hub/main/wrapper/cruncher/.htaccess b/application/hub/main/wrapper/cruncher/.htaccess
new file mode 100644 (file)
index 0000000..3a42882
--- /dev/null
@@ -0,0 +1 @@
+Deny from all
diff --git a/application/hub/main/wrapper/cruncher/class_CruncherUnitDatabaseWrapper.php b/application/hub/main/wrapper/cruncher/class_CruncherUnitDatabaseWrapper.php
new file mode 100644 (file)
index 0000000..32bf476
--- /dev/null
@@ -0,0 +1,84 @@
+<?php
+/**
+ * A database wrapper for cruncher work/test units
+ *
+ * @author             Roland Haeder <webmaster@shipsimu.org>
+ * @version            0.0.0
+ * @copyright  Copyright (c) 2011 - 2012 Cruncher Developer Team
+ * @license            GNU GPL 3.0 or any newer version
+ * @link               http://www.shipsimu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class CruncherUnitDatabaseWrapper extends BaseDatabaseWrapper implements UnitDatabaseWrapper, Registerable {
+       // Constants for database table names
+       const DB_TABLE_CRUNCHER_UNITS = 'cruncher_units';
+
+       // Constants for database column names
+       const DB_COLUMN_UNIT_TYPE   = 'unit_type';
+       const DB_COLUMN_UNIT_STATUS = 'unit_status';
+
+       /**
+        * Protected constructor
+        *
+        * @return      void
+        */
+       protected function __construct () {
+               // Call parent constructor
+               parent::__construct(__CLASS__);
+       }
+
+       /**
+        * Creates an instance of this database wrapper by a provided user class
+        *
+        * @return      $wrapperInstance        An instance of the created wrapper class
+        */
+       public static final function createCruncherUnitDatabaseWrapper () {
+               // Get a new instance
+               $wrapperInstance = new CruncherUnitDatabaseWrapper();
+
+               // Set (primary!) table name
+               $wrapperInstance->setTableName(self::DB_TABLE_CRUNCHER_UNITS);
+
+               // Return the instance
+               return $wrapperInstance;
+       }
+
+       /**
+        * Checks whether a test unit has been produced
+        *
+        * @return      $isProduced             Whether a test unit has already been produced
+        */
+       public function isTestUnitProduced () {
+               // Now get a search instance
+               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+               // Add criteria for looking up already created and available test units
+               $searchInstance->addCriteria(self::DB_COLUMN_UNIT_TYPE  , BaseUnitProducer::UNIT_TYPE_TEST_UNIT);
+               $searchInstance->addCriteria(self::DB_COLUMN_UNIT_STATUS, BaseUnitProducer::UNIT_STATUS_AVAILABLE);
+               $searchInstance->setConfiguredLimit('cruncher_test_unit_max_count');
+
+               // Search for our units
+               $resultInstance = $this->doSelectByCriteria($searchInstance);
+
+               // Do we have some entries?
+               $isProduced = $resultInstance->next();
+
+               // Return it
+               return $isProduced;
+       }
+}
+
+// [EOF]
+?>
diff --git a/application/hub/main/wrapper/node/.htaccess b/application/hub/main/wrapper/node/.htaccess
new file mode 100644 (file)
index 0000000..3a42882
--- /dev/null
@@ -0,0 +1 @@
+Deny from all
diff --git a/application/hub/main/wrapper/node/class_NodeDistributedHashTableDatabaseWrapper.php b/application/hub/main/wrapper/node/class_NodeDistributedHashTableDatabaseWrapper.php
new file mode 100644 (file)
index 0000000..1dd3369
--- /dev/null
@@ -0,0 +1,580 @@
+<?php
+/**
+ * A database wrapper for distributed hash tables
+ *
+ * @author             Roland Haeder <webmaster@shipsimu.org>
+ * @version            0.0.0
+ * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Hub Developer Team
+ * @license            GNU GPL 3.0 or any newer version
+ * @link               http://www.shipsimu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class NodeDistributedHashTableDatabaseWrapper extends BaseDatabaseWrapper implements NodeDhtWrapper, Registerable {
+       /**
+        * "Cached" results for dabase for looking for unpublished entries
+        */
+       private $unpublishedEntriesInstance = NULL;
+
+       // Constants for database table names
+       const DB_TABLE_NODE_DHT = 'node_dht';
+
+       // Constants for database column names
+       const DB_COLUMN_NODE_ID            = 'node_id';
+       const DB_COLUMN_SESSION_ID         = 'session_id';
+       const DB_COLUMN_EXTERNAL_IP        = 'external_ip';
+       const DB_COLUMN_LISTEN_PORT        = 'listen_port';
+       const DB_COLUMN_PRIVATE_KEY_HASH   = 'private_key_hash';
+       const DB_COLUMN_NODE_MODE          = 'node_mode';
+       const DB_COLUMN_ACCEPTED_OBJECTS   = 'accepted_object_types';
+       const DB_COLUMN_NODE_LIST          = 'node_list';
+       const DB_COLUMN_PUBLICATION_STATUS = 'publication_status';
+       const DB_COLUMN_ANSWER_STATUS      = 'answer_status';
+       const DB_COLUMN_ACCEPT_BOOTSTRAP   = 'accept_bootstrap';
+
+       // Publication status'
+       const PUBLICATION_STATUS_PENDING = 'PENDING';
+
+       // Exception codes
+       const EXCEPTION_NODE_ALREADY_REGISTERED = 0x800;
+       const EXCEPTION_NODE_NOT_REGISTERED     = 0x801;
+
+       /**
+        * Protected constructor
+        *
+        * @return      void
+        */
+       protected function __construct () {
+               // Call parent constructor
+               parent::__construct(__CLASS__);
+       }
+
+       /**
+        * Creates an instance of this database wrapper by a provided user class
+        *
+        * @return      $wrapperInstance        An instance of the created wrapper class
+        */
+       public static final function createNodeDistributedHashTableDatabaseWrapper () {
+               // Get a new instance
+               $wrapperInstance = new NodeDistributedHashTableDatabaseWrapper();
+
+               // Set (primary!) table name
+               $wrapperInstance->setTableName(self::DB_TABLE_NODE_DHT);
+
+               // Return the instance
+               return $wrapperInstance;
+       }
+
+       /**
+        * Static getter for an array of all DHT database entries
+        *
+        * @return      $elements       All elements for the DHT dabase
+        */
+       public static final function getAllElements () {
+               // Create array and ...
+               $elements = array(
+                       self::DB_COLUMN_NODE_ID,
+                       self::DB_COLUMN_SESSION_ID,
+                       self::DB_COLUMN_EXTERNAL_IP,
+                       self::DB_COLUMN_LISTEN_PORT,
+                       self::DB_COLUMN_PRIVATE_KEY_HASH,
+                       self::DB_COLUMN_NODE_MODE,
+                       self::DB_COLUMN_ACCEPTED_OBJECTS,
+                       self::DB_COLUMN_NODE_LIST
+               );
+
+               // ... return it
+               return $elements;
+       }
+
+       /**
+        * Prepares a search instance for given node data
+        *
+        * @param       $nodeData                       An array with valid node data
+        * @return      $searchInstance         An instance of a SearchCriteria class
+        */
+       private function prepareSearchInstance (array $nodeData) {
+               // Assert on array elements
+               assert(isset($nodeData[self::DB_COLUMN_NODE_ID]));
+
+               // Get instance
+               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+               // Search for node id and limit it to one entry
+               $searchInstance->addCriteria(self::DB_COLUMN_NODE_ID, $nodeData[self::DB_COLUMN_NODE_ID]);
+               $searchInstance->setLimit(1);
+
+               // Return it
+               return $searchInstance;
+       }
+
+       /**
+        * Getter for result instance for unpublished entries
+        *
+        * @return      $unpublishedEntriesInstance             Result instance
+        */
+       public final function getUnpublishedEntriesInstance () {
+               return $this->unpublishedEntriesInstance;
+       }
+
+       /**
+        * Prepares a "local" instance of a StoreableCriteria class with all node
+        * data for insert/update queries. This data set contains data from *this*
+        * (local) node.
+        *
+        * @return      $dataSetInstance        An instance of a StoreableCriteria class
+        */
+       private function prepareLocalDataSetInstance () {
+               // Get node/request instances
+               $nodeInstance = NodeObjectFactory::createNodeInstance();
+               $requestInstance = ApplicationHelper::getSelfInstance()->getRequestInstance();
+
+               // Get a dataset instance
+               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_DHT));
+
+               // Set the primary key
+               $dataSetInstance->setUniqueKey(self::DB_COLUMN_NODE_ID);
+
+               // Get ip:port combination and "explode" it
+               $ipPort = $nodeInstance->getAddressPortArray();
+
+               // Make sure both is valid
+               assert(($ipPort[0] !== 'invalid') && ($ipPort[1] !== 'invalid'));
+
+               // Get an array of all accepted object types
+               $objectList = $nodeInstance->getListFromAcceptedObjectTypes();
+
+               // Make sure this is an array
+               assert(is_array($objectList));
+
+               // Add public node data
+               $dataSetInstance->addCriteria(self::DB_COLUMN_NODE_MODE       , $requestInstance->getRequestElement('mode'));
+               $dataSetInstance->addCriteria(self::DB_COLUMN_EXTERNAL_IP     , $ipPort[0]);
+               $dataSetInstance->addCriteria(self::DB_COLUMN_LISTEN_PORT     , $ipPort[1]);
+               $dataSetInstance->addCriteria(self::DB_COLUMN_NODE_ID         , $nodeInstance->getNodeId());
+               $dataSetInstance->addCriteria(self::DB_COLUMN_SESSION_ID      , $nodeInstance->getSessionId());
+               $dataSetInstance->addCriteria(self::DB_COLUMN_PRIVATE_KEY_HASH, $nodeInstance->getPrivateKeyHash());
+               $dataSetInstance->addCriteria(self::DB_COLUMN_ACCEPTED_OBJECTS, implode(BaseHubNode::OBJECT_LIST_SEPARATOR, $objectList));
+               $dataSetInstance->addCriteria(self::DB_COLUMN_ACCEPT_BOOTSTRAP, $this->translateBooleanToYesNo($nodeInstance->isAcceptingDhtBootstrap()));
+
+               // Return it
+               return $dataSetInstance;
+       }
+
+       /**
+        * Checks whether the local (*this*) node is registered in the DHT by
+        * checking if the external ip/port is found.
+        *
+        * @return      $isRegistered   Whether *this* node is registered in the DHT
+        */
+       public function isLocalNodeRegistered () {
+               // Is there cache?
+               if (!isset($GLOBALS[__METHOD__])) {
+                       // Get a search criteria instance
+                       $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+                       // Get node instance
+                       $nodeInstance = NodeObjectFactory::createNodeInstance();
+
+                       // Get ip:port combination and "explode" it
+                       $ipPort = $nodeInstance->getAddressPortArray();
+
+                       /*
+                        * Make sure both is not 'invalid' which means that the resolver
+                        * didn't work.
+                        */
+                       assert(($ipPort[0] !== 'invalid') && ($ipPort[1] !== 'invalid'));
+
+                       // Add ip:port/node id as criteria
+                       $searchInstance->addCriteria(self::DB_COLUMN_EXTERNAL_IP, $ipPort[0]);
+                       $searchInstance->addCriteria(self::DB_COLUMN_LISTEN_PORT, $ipPort[1]);
+                       $searchInstance->addCriteria(self::DB_COLUMN_NODE_ID    , $nodeInstance->getNodeId());
+                       $searchInstance->setLimit(1);
+
+                       // Query database and get a result instance back
+                       $resultInstance = $this->doSelectByCriteria($searchInstance);
+
+                       // Cache result of if there is an entry, valid() will tell us if an entry is there
+                       $GLOBALS[__METHOD__] = $resultInstance->valid();
+               } // END - if
+
+               // Return result
+               return $GLOBALS[__METHOD__];
+       }
+
+       /**
+        * Registeres the local (*this*) node with its data in the DHT.
+        *
+        * @return      void
+        */
+       public function registerLocalNode () {
+               // Assert to make sure this method is called with no record in DB (the actual backend of the DHT)
+               assert(!$this->isLocalNodeRegistered());
+
+               // Get prepared data set instance
+               $dataSetInstance = $this->prepareLocalDataSetInstance();
+
+               // "Insert" this dataset instance completely into the database
+               $this->queryInsertDataSet($dataSetInstance);
+       }
+
+       /**
+        * Updates local (*this*) node data in DHT, this is but not limited to the
+        * session id, ip number (and/or hostname) and port number.
+        *
+        * @return      void
+        */
+       public function updateLocalNode () {
+               // Assert to make sure this method is called with one record in DB (the actual backend of the DHT)
+               assert($this->isLocalNodeRegistered());
+
+               // Get node instance
+               $nodeInstance = NodeObjectFactory::createNodeInstance();
+
+               // Get search criteria
+               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+               // Search for node id and limit it to one entry
+               $searchInstance->addCriteria(self::DB_COLUMN_NODE_ID, $nodeInstance->getNodeId());
+               $searchInstance->setLimit(1);
+
+               // Get a prepared dataset instance
+               $dataSetInstance = $this->prepareLocalDataSetInstance();
+
+               // Set search instance
+               $dataSetInstance->setSearchInstance($searchInstance);
+
+               // Update DHT database record
+               $this->queryUpdateDataSet($dataSetInstance);
+       }
+
+       /**
+        * Finds a node locally by given session id
+        *
+        * @param       $sessionId      Session id to lookup
+        * @return      $nodeData       Node data array
+        */
+       public function findNodeLocalBySessionId ($sessionId) {
+               // Get search criteria
+               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+               // Search for session id and limit it to one entry
+               $searchInstance->addCriteria(self::DB_COLUMN_SESSION_ID, $sessionId);
+               $searchInstance->setLimit(1);
+
+               // Query database and get a result instance back
+               $resultInstance = $this->doSelectByCriteria($searchInstance);
+
+               // Return result instance
+               return $resultInstance;
+       }
+
+       /**
+        * Registeres a node by given message data.
+        *
+        * @param       $messageData            An array of all message data
+        * @param       $handlerInstance        An instance of a Handleable class
+        * @return      void
+        */
+       public function registerNodeByMessageData (array $messageData, Handleable $handlerInstance) {
+               // Get a data set instance
+               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_DHT));
+
+               // Set primary key (session id)
+               $dataSetInstance->setUniqueKey(self::DB_COLUMN_SESSION_ID);
+
+               // Add all array elements
+               $handlerInstance->addArrayToDataSet($dataSetInstance, $messageData);
+
+               // Remove 'node_list'
+               $dataSetInstance->unsetCriteria(self::DB_COLUMN_NODE_LIST);
+
+               // Run the "INSERT" query
+               $this->queryInsertDataSet($dataSetInstance);
+       }
+
+       /**
+        * Updates an existing entry in node list
+        *
+        * @param       $messageData            An array of all message data
+        * @param       $handlerInstance        An instance of a Handleable class
+        * @param       $searchInstance         An instance of LocalSearchCriteria class
+        * @return      void
+        */
+       public function updateNodeByMessageData (array $messageData, Handleable $handlerInstance, LocalSearchCriteria $searchInstance) {
+               // Get a data set instance
+               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_DHT));
+
+               // Add search instance
+               $dataSetInstance->setSearchInstance($searchInstance);
+
+               // Set primary key (session id)
+               $dataSetInstance->setUniqueKey(self::DB_COLUMN_SESSION_ID);
+
+               // Add all array elements
+               $handlerInstance->addArrayToDataSet($dataSetInstance, $messageData);
+
+               // Remove 'node_list'
+               $dataSetInstance->unsetCriteria(self::DB_COLUMN_NODE_LIST);
+
+               // Run the "UPDATE" query
+               $this->queryUpdateDataSet($dataSetInstance);
+       }
+
+       /**
+        * Determines whether the given node data is already inserted in the DHT
+        *
+        * @param       $nodeData               An array with valid node data
+        * @return      $isRegistered   Whether the given node data is already inserted
+        */
+       public function isNodeRegistered (array $nodeData) {
+               // Assert on array elements
+               assert(isset($nodeData[self::DB_COLUMN_NODE_ID]));
+
+               // Get search criteria
+               $searchInstance = $this->prepareSearchInstance($nodeData);
+
+               // Query database and get a result instance back
+               $resultInstance = $this->doSelectByCriteria(
+                       // Search instance
+                       $searchInstance,
+                       // Only look for these array elements ("keys")
+                       array(
+                               self::DB_COLUMN_NODE_ID     => TRUE,
+                               self::DB_COLUMN_EXTERNAL_IP => TRUE,
+                               self::DB_COLUMN_LISTEN_PORT => TRUE,
+                       )
+               );
+
+               // Check if there is an entry
+               $isRegistered = $resultInstance->valid();
+
+               // Return registration status
+               return $isRegistered;
+       }
+
+       /**
+        * Registers a node with given data in the DHT. If the node is already
+        * registered this method shall throw an exception.
+        *
+        * @param       $nodeData       An array with valid node data
+        * @return      void
+        * @throws      NodeAlreadyRegisteredException  If the node is already registered
+        */
+       public function registerNode (array $nodeData) {
+               // Assert on array elements
+               assert(isset($nodeData[self::DB_COLUMN_NODE_ID]));
+
+               // Is the node registered?
+               if ($this->isNodeRegistered($nodeData)) {
+                       // Throw an exception
+                       throw new NodeAlreadyRegisteredException(array($this, $nodeData), self::EXCEPTION_NODE_ALREADY_REGISTERED);
+               } // END - if
+
+               // @TODO Unimplemented part
+               $this->partialStub('nodeData=' . print_r($nodeData, TRUE));
+       }
+
+       /**
+        * Updates a node's entry in the DHT with given data. This will enrich or
+        * just update already exsiting data. If the node is not found this method
+        * shall throw an exception.
+        *
+        * @param       $nodeData       An array with valid node data
+        * @return      void
+        * @throws      NodeDataMissingException        If the node's data is missing
+        */
+       public function updateNode (array $nodeData) {
+               // Assert on array elements
+               assert(isset($nodeData[self::DB_COLUMN_NODE_ID]));
+
+               // Is the node registered?
+               if (!$this->isNodeRegistered($nodeData)) {
+                       // No, then throw an exception
+                       throw new NodeDataMissingException(array($this, $nodeData), self::EXCEPTION_NODE_NOT_REGISTERED);
+               } // END - if
+
+               // Get a search instance
+               $searchInstance = $this->prepareSearchInstance($nodeData);
+
+               // Get a data set instance
+               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_DHT));
+
+               // Add search instance
+               $dataSetInstance->setSearchInstance($searchInstance);
+
+               // Set primary key (session id)
+               $dataSetInstance->setUniqueKey(self::DB_COLUMN_SESSION_ID);
+
+               // Get node instance
+               $nodeInstance = NodeObjectFactory::createNodeInstance();
+
+               // Add all array elements
+               $nodeInstance->addArrayToDataSet($dataSetInstance, $nodeData);
+
+               // Remove 'node_list'
+               $dataSetInstance->unsetCriteria(self::DB_COLUMN_NODE_LIST);
+
+               // Run the "UPDATE" query
+               $this->queryUpdateDataSet($dataSetInstance);
+       }
+
+       /**
+        * Checks whether there are unpublished entries
+        *
+        * @return      $hasUnpublished         Whether there are unpublished entries
+        * @todo        Add minimum/maximum age limitations
+        */
+       public function hasUnpublishedEntries () {
+               // Get search instance
+               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+               // Add exclusion key which is the publish status
+               $searchInstance->addExcludeCriteria(NodeDistributedHashTableDatabaseWrapper::DB_COLUMN_PUBLICATION_STATUS, NodeDistributedHashTableDatabaseWrapper::PUBLICATION_STATUS_PENDING);
+
+               // Remember search instance
+               $this->setSearchInstance($searchInstance);
+
+               // Run the query
+               $this->unpublishedEntriesInstance = $this->doSelectByCriteria($searchInstance);
+
+               // Check pending entries
+               $hasUnpublished = $this->unpublishedEntriesInstance->valid();
+
+               // Return it
+               return $hasUnpublished;
+       }
+
+       /**
+        * Initializes publication of DHT entries. This does only prepare
+        * publication. The next step is to pickup such prepared entries and publish
+        * them by uploading to other (recently appeared) DHT members.
+        *
+        * @return      void
+        * @todo        Add timestamp to dataset instance
+        */
+       public function initEntryPublication () {
+               /*
+                * Make sure that hasUnpublishedEntries() has been called first by
+                * asserting on the "cached" object instance. This "caching" saves some
+                * needless queries as this method shall be called immediately after
+                * hasUnpublishedEntries() returns TRUE.
+                */
+               assert($this->unpublishedEntriesInstance instanceof SearchableResult);
+
+               // Result is still okay?
+               assert($this->unpublishedEntriesInstance->valid());
+
+               // Remove 'publication_status'
+               $this->getSearchInstance()->unsetCriteria(self::DB_COLUMN_PUBLICATION_STATUS);
+
+               // Make sure all entries are marked as pending, first get a dataset instance.
+               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_DHT));
+
+               // Add search instance
+               $dataSetInstance->setSearchInstance($this->getSearchInstance());
+
+               // Set primary key (node id)
+               $dataSetInstance->setUniqueKey(self::DB_COLUMN_NODE_ID);
+
+               // Add criteria (that should be set)
+               $dataSetInstance->addCriteria(self::DB_COLUMN_PUBLICATION_STATUS, self::PUBLICATION_STATUS_PENDING);
+
+               // Run the "UPDATE" query
+               $this->queryUpdateDataSet($dataSetInstance);
+       }
+
+       /**
+        * Removes non-public data from given array.
+        *
+        * @param       $data   An array with possible non-public data that needs to be removed.
+        * @return      $data   A cleaned up array with only public data.
+        */
+       public function removeNonPublicDataFromArray(array $data) {
+               // Currently call only inner method
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DHT-WRAPPER[' . $this->__toString() . ']: Calling parent::removeNonPublicDataFromArray(data) ...');
+               $data = parent::removeNonPublicDataFromArray($data);
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DHT-WRAPPER[' . $this->__toString() . ']: data[]=' . gettype($data));
+
+               // Return cleaned data
+               return $data;
+       }
+
+       /**
+        * Find recipients for given package data and exclude the sender
+        *
+        * @param       $packageData    An array of valid package data
+        * @return      $recipients             An indexed array with DHT recipients
+        */
+       public function getResultFromExcludedSender (array $packageData) {
+               // Assert on required array field
+               assert(isset($packageData[NetworkPackage::PACKAGE_DATA_SENDER]));
+
+               // Get max recipients
+               $maxRecipients = $this->getConfigInstance()->getConfigEntry('max_dht_recipients');
+
+               // First creata a search instance
+               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+               // Then exclude 'sender' field as the sender is the current (*this*) node
+               $searchInstance->addExcludeCriteria(NodeDistributedHashTableDatabaseWrapper::DB_COLUMN_SESSION_ID, $packageData[NetworkPackage::PACKAGE_DATA_SENDER]);
+
+               // Set limit to maximum DHT recipients
+               $searchInstance->setLimit($maxRecipients);
+
+               // Get a result instance back from DHT database wrapper.
+               $resultInstance = $this->doSelectByCriteria($searchInstance);
+
+               // Return result instance
+               return $resultInstance;
+       }
+
+       /**
+        * Find recopients by given key/value pair. First look for the key and if it
+        * matches, compare the value.
+        *
+        * @param       $key                    Key to look for
+        * @param       $value                  Value to compare if key matches
+        * @return      $recipients             An indexed array with DHT recipients
+        */
+       public function getResultFromKeyValue ($key, $value) {
+               // Get max recipients
+               $maxRecipients = $this->getConfigInstance()->getConfigEntry('max_dht_recipients');
+
+               // First creata a search instance
+               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+               // Find the key/value pair
+               $searchInstance->addCriteria($key, $value);
+
+               // Get a result instance back from DHT database wrapper.
+               $resultInstance = $this->doSelectByCriteria($searchInstance);
+
+               // Return result instance
+               return $resultInstance;
+       }
+
+       /**
+        * Enable DHT bootstrap request acceptance for local node
+        *
+        * @return      void
+        */
+       public function enableAcceptDhtBootstrap () {
+               // Just update our record
+               $this->updateLocalNode();
+       }
+}
+
+// [EOF]
+?>
diff --git a/application/hub/main/wrapper/node/class_NodeInformationDatabaseWrapper.php b/application/hub/main/wrapper/node/class_NodeInformationDatabaseWrapper.php
new file mode 100644 (file)
index 0000000..820102f
--- /dev/null
@@ -0,0 +1,184 @@
+<?php
+/**
+ * A database wrapper for node informations
+ *
+ * @author             Roland Haeder <webmaster@shipsimu.org>
+ * @version            0.0.0
+ * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Hub Developer Team
+ * @license            GNU GPL 3.0 or any newer version
+ * @link               http://www.shipsimu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class NodeInformationDatabaseWrapper extends BaseDatabaseWrapper implements NodeInformationWrapper, Registerable {
+       // Constants for database table names
+       const DB_TABLE_NODE_INFORMATION = 'node_data';
+
+       // Constants for database column names
+       const DB_COLUMN_NODE_NR          = 'node_nr';
+       const DB_COLUMN_NODE_ID          = 'node_id';
+       const DB_COLUMN_SESSION_ID       = 'session_id';
+       const DB_COLUMN_PRIVATE_KEY      = 'private_key';
+       const DB_COLUMN_PRIVATE_KEY_HASH = 'private_key_hash';
+       const DB_COLUMN_NODE_MODE        = 'node_mode';
+
+       /**
+        * Protected constructor
+        *
+        * @return      void
+        */
+       protected function __construct () {
+               // Call parent constructor
+               parent::__construct(__CLASS__);
+       }
+
+       /**
+        * Creates an instance of this database wrapper by a provided user class
+        *
+        * @return      $wrapperInstance        An instance of the created wrapper class
+        */
+       public static final function createNodeInformationDatabaseWrapper () {
+               // Get a new instance
+               $wrapperInstance = new NodeInformationDatabaseWrapper();
+
+               // Set (primary!) table name
+               $wrapperInstance->setTableName(self::DB_TABLE_NODE_INFORMATION);
+
+               // Return the instance
+               return $wrapperInstance;
+       }
+
+       /**
+        * Checks whether there is an entry for given node instance
+        *
+        * @param       $nodeInstance   An instance of a NodeHelper class
+        * @return      $isFound                Whether a node id has been found for this node
+        */
+       public function ifNodeDataIsFound (NodeHelper $nodeInstance) {
+               // Is there cache?
+               if (!isset($GLOBALS[__METHOD__])) {
+                       // Now get a search criteria instance
+                       $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+                       // Search for the node number one which is hard-coded the default
+                       $searchInstance->addCriteria(NodeInformationDatabaseWrapper::DB_COLUMN_NODE_NR  , 1);
+                       $searchInstance->addCriteria(NodeInformationDatabaseWrapper::DB_COLUMN_NODE_MODE, $nodeInstance->getRequestInstance()->getRequestElement('mode'));
+                       $searchInstance->setLimit(1);
+
+                       // Get a result back
+                       $resultInstance = $this->doSelectByCriteria($searchInstance);
+
+                       // Set result instance in node instance
+                       $nodeInstance->setResultInstance($resultInstance);
+
+                       // Is it valid?
+                       $GLOBALS[__METHOD__] = $resultInstance->next();
+               } // END - if
+
+               // Return it
+               return $GLOBALS[__METHOD__];
+       }
+
+       /**
+        * 'Registers' a new node id along with data provided in the node instance.
+        * This may sound confusing but avoids double code very nicely...
+        *
+        * @param       $nodeInstance           A node instance
+        * @param       $requestInstance        An instance of a Requestable class
+        * @return      void
+        */
+       public function registerNodeId (BaseHubNode $nodeInstance, Requestable $requestInstance) {
+               // Get a dataset instance
+               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_INFORMATION));
+
+               // Set the primary key
+               $dataSetInstance->setUniqueKey(self::DB_COLUMN_NODE_ID);
+
+               // Add registration elements to the dataset
+               $nodeInstance->addElementsToDataSet($dataSetInstance, $requestInstance);
+
+               // "Insert" this dataset instance completely into the database
+               $this->queryInsertDataSet($dataSetInstance);
+       }
+
+       /**
+        * 'Registers' a new session id along with data provided in the node instance.
+        * This may sound confusing but avoids double code very nicely...
+        *
+        * @param       $nodeInstance           An instance of a BaseHubNode class
+        * @param       $requestInstance        An instance of a Requestable class
+        * @param       $searchInstance         An instance of a LocalSearchCriteria class
+        * @return      void
+        */
+       public function registerSessionId (BaseHubNode $nodeInstance, Requestable $requestInstance, LocalSearchCriteria $searchInstance) {
+               // Get a dataset instance
+               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_INFORMATION));
+
+               // Set search instance
+               $dataSetInstance->setSearchInstance($searchInstance);
+
+               // Set the primary key
+               $dataSetInstance->setUniqueKey(self::DB_COLUMN_NODE_ID);
+
+               // Add registration elements to the dataset
+               $nodeInstance->addElementsToDataSet($dataSetInstance, $requestInstance);
+
+               // Update database record
+               $this->queryUpdateDataSet($dataSetInstance);
+       }
+
+       /**
+        * 'Registers' a private key along with data provided in the node instance.
+        * This may sound confusing but avoids double code very nicely...
+        *
+        * @param       $nodeInstance           An instance of a BaseHubNode class
+        * @param       $requestInstance        An instance of a Requestable class
+        * @param       $searchInstance         An instance of a LocalSearchCriteria class
+        * @return      void
+        */
+       public function registerPrivateKey (BaseHubNode $nodeInstance, Requestable $requestInstance, LocalSearchCriteria $searchInstance) {
+               // Get a dataset instance
+               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_INFORMATION));
+
+               // Set the primary key
+               $dataSetInstance->setUniqueKey(self::DB_COLUMN_NODE_ID);
+
+               // Set search instance
+               $dataSetInstance->setSearchInstance($searchInstance);
+
+               // Add registration elements to the dataset
+               $nodeInstance->addElementsToDataSet($dataSetInstance, $requestInstance);
+
+               // Update database record
+               $this->queryUpdateDataSet($dataSetInstance);
+       }
+
+       /**
+        * Removes non-public data from given array.
+        *
+        * @param       $data   An array with possible non-public data that needs to be removed.
+        * @return      $data   A cleaned up array with only public data.
+        */
+       public function removeNonPublicDataFromArray(array $data) {
+               // Currently call only inner method
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE-WRAPPER[' . $this->__toString() . ']: Calling parent::removeNonPublicDataFromArray(data) ...');
+               $data = parent::removeNonPublicDataFromArray($data);
+
+               // Return cleaned data
+               return $data;
+       }
+}
+
+// [EOF]
+?>
diff --git a/application/hub/main/wrapper/node/class_NodeListDatabaseWrapper.php b/application/hub/main/wrapper/node/class_NodeListDatabaseWrapper.php
new file mode 100644 (file)
index 0000000..f551ef4
--- /dev/null
@@ -0,0 +1,3 @@
+<?php
+// @DEPRECATED
+?>
diff --git a/application/hub/main/wrapper/states/.htaccess b/application/hub/main/wrapper/states/.htaccess
new file mode 100644 (file)
index 0000000..3a42882
--- /dev/null
@@ -0,0 +1 @@
+Deny from all
diff --git a/application/hub/main/wrapper/states/class_PeerStateLookupDatabaseWrapper.php b/application/hub/main/wrapper/states/class_PeerStateLookupDatabaseWrapper.php
new file mode 100644 (file)
index 0000000..1c740fd
--- /dev/null
@@ -0,0 +1,274 @@
+<?php
+/**
+ * A database wrapper for peer state lookups
+ *
+ * @author             Roland Haeder <webmaster@shipsimu.org>
+ * @version            0.0.0
+ * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Hub Developer Team
+ * @license            GNU GPL 3.0 or any newer version
+ * @link               http://www.shipsimu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class PeerStateLookupDatabaseWrapper extends BaseDatabaseWrapper implements LookupablePeerState {
+       // Exception constants
+       const EXCEPTION_PEER_ALREADY_REGISTERED = 0x300;
+
+       // Constants for database table names
+       const DB_TABLE_PEER_LOOKUP = 'peer_states';
+
+       // Constants for database column names
+       const DB_COLUMN_PEER_IP           = 'peer_ip';
+       const DB_COLUMN_PEER_PORT         = 'peer_port';
+       const DB_COLUMN_PEER_SESSION_ID   = 'peer_session_id';
+       const DB_COLUMN_PEER_STATE        = 'peer_state';
+       const DB_COLUMN_SOCKET_ERROR_CODE = 'socket_error_code';
+       const DB_COLUMN_SOCKET_ERROR_MSG  = 'socket_error_msg';
+
+       /**
+        * Protected constructor
+        *
+        * @return      void
+        */
+       protected function __construct () {
+               // Call parent constructor
+               parent::__construct(__CLASS__);
+       }
+
+       /**
+        * Creates an instance of this database wrapper by a provided user class
+        *
+        * @return      $wrapperInstance        An instance of the created wrapper class
+        */
+       public static final function createPeerStateLookupDatabaseWrapper () {
+               // Get a new instance
+               $wrapperInstance = new PeerStateLookupDatabaseWrapper();
+
+               // Set (primary!) table name
+               $wrapperInstance->setTableName(self::DB_TABLE_PEER_LOOKUP);
+
+               // Return the instance
+               return $wrapperInstance;
+       }
+
+       /**
+        * "Getter" for a LocalSearchCriteria from given package data's sender
+        *
+        * @param       $packageData            Valid raw package data array
+        * @return      $searchInstance         An instance of a LocalSearchCriteria class
+        */
+       private function getSenderSearchInstanceFromPackageData (array $packageData) {
+               // Get the instance
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: Searching for sender ' . $packageData[NetworkPackage::PACKAGE_DATA_SENDER]);
+               $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+               // Add 'sender' as the peer's IP address
+               $searchInstance->addCriteria(self::DB_COLUMN_PEER_SESSION_ID, $packageData[NetworkPackage::PACKAGE_DATA_SENDER]);
+               $searchInstance->setLimit(1);
+
+               // Return the instance
+               return $searchInstance;
+       }
+
+       /**
+        * Checks whether given 'sender' is a new peer
+        *
+        * @param       $packageData            Raw package data
+        * @param       $dataSetInstance        An optional instance of a StoreableCriteria class
+        * @return      $isNewPeer                      Whether 'sender' is a new peer to this peer
+        */
+       public function isSenderNewPeer (array $packageData, StoreableCriteria $dataSetInstance = NULL) {
+               // Debug message
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: ' . __FUNCTION__ . ' called with packageData()=' . count($packageData) . ' - ENTERED!');
+
+               // Is the package valid?
+               if (!isset($packageData[NetworkPackage::PACKAGE_DATA_SENDER])) {
+                       // Invalid package found, please report this
+                       $this->debugBackTrace('[' . __METHOD__ . ':' . __LINE__ . ']:  packageData=' . print_r($packageData, TRUE));
+               } // END - if
+
+               // Get a search criteria instance from package data
+               $searchInstance = $this->getSenderSearchInstanceFromPackageData($packageData);
+
+               // Is the dataset instance set?
+               if ($dataSetInstance instanceof StoreableCriteria) {
+                       // Then remember the search instance in it
+                       $dataSetInstance->setSearchInstance($searchInstance);
+               } // END - if
+
+               // Count the query
+               $entries = $this->doSelectCountByCriteria($searchInstance, array(self::DB_COLUMN_PEER_SESSION_ID => TRUE));
+
+               // Is it there?
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: entries=' . $entries);
+               $isNewPeer = ($entries != 1);
+
+               // Return the result
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: isNewPeer=' . intval($isNewPeer) . ' - EXIT!');
+               return $isNewPeer;
+       }
+
+       /**
+        * Registers a new peer with given package data. We use the session id from it.
+        *
+        * @param       $packageData            Raw package data
+        * @param       $socketResource         A valid socket resource
+        * @return      void
+        * @throws      PeerAlreadyRegisteredException  If a peer is already registered
+        */
+       public function registerPeerByPackageData (array $packageData, $socketResource) {
+               // Make sure only new peers can be registered with package data
+               if (!$this->isSenderNewPeer($packageData)) {
+                       // Throw an exception because this should normally not happen
+                       throw new PeerAlreadyRegisteredException(array($this, $packageData), self::EXCEPTION_PEER_ALREADY_REGISTERED);
+               } // END - if
+
+               // Generate a dataset instance
+               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_PEER_LOOKUP));
+
+               // Session ids must be unique
+               $dataSetInstance->setUniqueKey(self::DB_COLUMN_PEER_SESSION_ID);
+
+               // Add session id
+               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_SESSION_ID, $packageData[NetworkPackage::PACKAGE_DATA_SENDER]);
+
+               // Get peer name
+               if (!@socket_getpeername($socketResource, $peerName, $peerPort)) {
+                       // Get last error
+                       $lastError = socket_last_error($socketResource);
+
+                       // ... and cleartext message from it and put both into criteria
+                       $dataSetInstance->addCriteria(self::DB_COLUMN_SOCKET_ERROR_CODE, $lastError);
+                       $dataSetInstance->addCriteria(self::DB_COLUMN_SOCKET_ERROR_MSG , socket_strerror($lastError));
+               } // END - if
+
+               // Add ip address and port
+               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_IP  , $peerName);
+               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_PORT, $peerPort);
+
+               // "Insert" the data set
+               $this->queryInsertDataSet($dataSetInstance, array(self::DB_COLUMN_PEER_SESSION_ID => TRUE));
+
+               // Debug message
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: Peer ' . $packageData[NetworkPackage::PACKAGE_DATA_SENDER] . ' has been registered.');
+       }
+
+       /**
+        * Registers the given peer state and raw package data
+        *
+        * @param       $stateInstance  A PeerStateable class instance
+        * @param       $packageData    Valid package data array
+        * @return      void
+        * @throws      PeerAlreadyRegisteredException  If a peer is already registered
+        * @todo        Unfinished area
+        */
+       public function registerPeerState (PeerStateable $stateInstance, array $packageData) {
+               // Generate a dataset instance
+               $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_PEER_LOOKUP));
+
+               // Session ids must be unique
+               $dataSetInstance->setUniqueKey(self::DB_COLUMN_PEER_SESSION_ID);
+
+               // Add session id
+               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_SESSION_ID, $packageData[NetworkPackage::PACKAGE_DATA_SENDER]);
+               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_STATE     , $stateInstance->getStateName());
+
+               // Try to resolve sender's session id
+               $senderData = explode(':', HubTools::resolveSessionId($packageData[NetworkPackage::PACKAGE_DATA_SENDER]));
+
+               // Just make sure that 'invalid:invalid' is not being processed
+               assert(($senderData[0] != 'invalid') && ($senderData[1] != 'invalid'));
+
+               // Add ip address and port
+               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_IP  , $senderData[0]);
+               $dataSetInstance->addCriteria(self::DB_COLUMN_PEER_PORT, $senderData[1]);
+
+               // Is this a new peer?
+               if ($this->isSenderNewPeer($packageData, $dataSetInstance)) {
+                       // "Insert" the data set
+                       $this->queryInsertDataSet($dataSetInstance, array(self::DB_COLUMN_PEER_SESSION_ID => TRUE));
+               } else {
+                       // Update the data set
+                       $this->queryUpdateDataSet($dataSetInstance, array(self::DB_COLUMN_PEER_SESSION_ID => TRUE));
+               }
+
+               // Debug message
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: Peer ' . $packageData[NetworkPackage::PACKAGE_DATA_SENDER] . ' has been registered/updated with state ' . $stateInstance->getStateName());
+       }
+
+       /**
+        * Purges old entries of given socket resource. We use the IP address from that resource.
+        *
+        * @param       $socketResource         A valid socket resource
+        * @return      void
+        * @throws      InvalidSocketException  If the socket resource was invalid
+        * @todo        Unfinished area
+        */
+       public function purgeOldEntriesBySocketResource ($socketResource) {
+               // Get peer name
+               if (!@socket_getpeername($socketResource, $peerName, $peerPort)) {
+                       // Get last error
+                       $lastError = socket_last_error($socketResource);
+
+                       // Doesn't work!
+                       throw new InvalidSocketException(array($this, $socketResource, $lastError, socket_strerror($lastError)), BaseListener::EXCEPTION_INVALID_SOCKET);
+               } // END - if
+
+               // Debug message
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: peerName=' . $peerName . ',peerPort=' . $peerPort . ' - UNFINISHED!');
+       }
+
+       /**
+        * Checks whether a given peer state (in helper instance) is same as stored
+        * in database compared with the one from $helperInstance.
+        *
+        * @param       $helperInstance                 An instance of a ConnectionHelper class
+        * @param       $packageData                    Valid package data array
+        * @return      $isSamePeerState                Whether the peer's state is the same
+        */
+       public function isSamePeerState (ConnectionHelper $helperInstance, array $packageData) {
+               // Debug message
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: State ' . $helperInstance->getPrintableState() . ' needs to be checked it has changed ...');
+
+               // Now get the search instance from given package data
+               $searchInstance = $this->getSenderSearchInstanceFromPackageData($packageData);
+
+               // With this search instance query the database for the peer and get a result instance
+               $resultInstance = $this->doSelectByCriteria($searchInstance);
+
+               // Do we have an entry? This should always the case
+               assert($resultInstance->next());
+
+               // Yes, so get the current (=first) entry from it
+               $rowData = $resultInstance->current();
+
+               // Debug message
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: rowData[' . gettype($rowData) . ']=' . print_r($rowData, TRUE));
+
+               // Assert on important elements
+               assert(isset($rowData[self::DB_COLUMN_PEER_STATE]));
+
+               // Now just compare it with given state from helper instance
+               $isSamePeerState = ($rowData[self::DB_COLUMN_PEER_STATE] == $helperInstance->getPrintableState());
+
+               // Debug message
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('DATABASE-WRAPPER: state in database: ' . $rowData[self::DB_COLUMN_PEER_STATE] . ', new state: ' . $helperInstance->getPrintableState() . ',isSamePeerState=' . intval($isSamePeerState));
+
+               // Return it
+               return $isSamePeerState;
+       }
+}
+
+// [EOF]
+?>
diff --git a/core b/core
index 932873c41ad866ed0745ceb78e8c9323ada0c31b..fa613fa892ae8ba73305814719f5b09bd27e64a8 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 932873c41ad866ed0745ceb78e8c9323ada0c31b
+Subproject commit fa613fa892ae8ba73305814719f5b09bd27e64a8