*
* @author Roland Haeder <webmaster@shipsimu.org>
* @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Hub Developer Team
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Hub Developer Team
* @license GNU GPL 3.0 or any newer version
* @link http://www.shipsimu.org
*
const OBJECT_LIST_SEPARATOR = ',';
/**
- * IP/port number of bootstrapping node
+ * Universal node locator of bootstrap node
*/
- private $bootIpPort = '';
-
- /**
- * Query connector instance
- */
- private $queryConnectorInstance = NULL;
-
- /**
- * Queue connector instance
- */
- private $queueConnectorInstance = NULL;
+ private $bootUnl = '';
/**
* Whether this node is anncounced (keep on FALSE!)
*/
private $acceptAnnouncements = FALSE;
+ /**
+ * Whether this node accepts DHT bootstrap requests (default: FALSE)
+ */
+ private $acceptDhtBootstrap = FALSE;
+
/**
* Protected constructor
*
// Set it here
$this->setCryptoInstance($cryptoInstance);
+ // Set the node instance in registry
+ Registry::getRegistry()->addInstance('node', $this);
+
// Init state which sets the state to 'init'
$this->initState();
}
* @return void
*/
private function initState() {
- /*
- * Get the state factory and create the initial state, we don't need
- * the state instance here
- */
- NodeStateFactory::createNodeStateInstanceByName('init', $this);
- }
-
- /**
- * Generates a random string from various data inluding UUID if PECL
- * extension uuid is installed.
- *
- * @param $length Length of the random part
- * @return $randomString Random string
- * @todo Make this code more generic and move it to CryptoHelper or
- */
- protected function generateRamdomString ($length) {
- // Get an RNG instance
- $rngInstance = ObjectFactory::createObjectByConfiguredName('rng_class');
-
- // Generate a pseudo-random string
- $randomString = $rngInstance->randomString($length) . ':' . $this->getBootIpPort() . ':' . $this->getRequestInstance()->getRequestElement('mode');
-
- // Add UUID for even more entropy for the hasher
- $randomString .= $this->getCryptoInstance()->createUuid();
-
- // Return it
- return $randomString;
+ // Get the state factory and create the initial state.
+ NodeStateFactory::createNodeStateInstanceByName('init');
}
/**
* Generates a private key and hashes it (for speeding up things)
*
* @param $searchInstance An instance of a LocalSearchCriteria class
- * @return void
+ * @return void
*/
private function generatePrivateKeyAndHash (LocalSearchCriteria $searchInstance) {
// Get an RNG instance
}
/**
- * Setter for query instance
+ * Generates a random string from various data inluding UUID if PECL
+ * extension uuid is installed.
*
- * @param $connectorInstance Our new query instance
- * @return void
+ * @param $length Length of the random part
+ * @return $randomString Random string
+ * @todo Make this code more generic and move it to CryptoHelper or
*/
- private final function setQueryConnectorInstance (Connectable $connectorInstance) {
- $this->queryConnectorInstance = $connectorInstance;
- }
+ protected function generateRamdomString ($length) {
+ // Get an RNG instance
+ $rngInstance = ObjectFactory::createObjectByConfiguredName('rng_class');
- /**
- * Getter for query instance
- *
- * @return $connectorInstance Our new query instance
- */
- public final function getQueryConnectorInstance () {
- return $this->queryConnectorInstance;
- }
+ // Generate a pseudo-random string
+ $randomString = $rngInstance->randomString($length) . ':' . $this->getBootUniversalNodeLocator() . ':' . $this->getRequestInstance()->getRequestElement('mode');
- /**
- * Setter for queue instance
- *
- * @param $connectorInstance Our new queue instance
- * @return void
- */
- private final function setQueueConnectorInstance (Connectable $connectorInstance) {
- $this->queueConnectorInstance = $connectorInstance;
- }
+ // Add UUID for even more entropy for the hasher
+ $randomString .= $this->getCryptoInstance()->createUuid();
- /**
- * Getter for queue instance
- *
- * @return $connectorInstance Our new queue instance
- */
- public final function getQueueConnectorInstance () {
- return $this->queueConnectorInstance;
+ // Return it
+ return $randomString;
}
/**
- * Getter for boot IP/port combination
+ * Getter for boot UNL (Universal Node Locator)
*
- * @return $bootIpPort The IP/port combination of the boot node
+ * @return $bootUnl The UNL (Universal Node Locator) of the boot node
*/
- protected final function getBootIpPort () {
- return $this->bootIpPort;
+ protected final function getBootUniversalNodeLocator () {
+ return $this->bootUnl;
}
/**
- * Checks whether the given IP address matches one of the bootstrapping nodes
+ * Checks whether the given IP address matches one of the bootstrap nodes
*
* @param $remoteAddr IP address to checkout against our bootstrapping list
* @return $isFound Whether the IP is found
*/
- protected function ifAddressMatchesBootstrappingNodes ($remoteAddr) {
+ protected function ifAddressMatchesBootstrapNodes ($remoteAddr) {
// By default nothing is found
$isFound = FALSE;
// Run through all configured IPs
- foreach (explode(BaseHubSystem::BOOTSTRAP_NODES_SEPARATOR, $this->getConfigInstance()->getConfigEntry('hub_bootstrap_nodes')) as $ipPort) {
- // Split it up in IP/port
- $ipPortArray = explode(':', $ipPort);
-
+ foreach (explode(BaseHubSystem::BOOTSTRAP_NODES_SEPARATOR, $this->getConfigInstance()->getConfigEntry('hub_bootstrap_nodes')) as $unl) {
// Does it match?
- if ($ipPortArray[0] == $remoteAddr) {
+ if ($unl == $remoteAddr) {
// Found it!
$isFound = TRUE;
- // Remember the port number
- $this->bootIpPort = $ipPort;
+ // Remember the UNL
+ $this->bootUnl = $unl;
// Output message
- self::createDebugInstance(__CLASS__)->debugOutput('BOOTSTRAP: ' . __FUNCTION__ . '[' . __LINE__ . ']: IP matches remote address ' . $ipPort . '.');
+ self::createDebugInstance(__CLASS__)->debugOutput('BOOTSTRAP: ' . __FUNCTION__ . '[' . __METHOD__ . ':' . __LINE__ . ']: UNL matches remote address ' . $unl . '.');
// Stop further searching
break;
- } elseif ($ipPortArray[0] == $this->getConfigInstance()->getConfigEntry('node_listen_addr')) {
+ } elseif ($unl == $this->getConfigInstance()->getConfigEntry('node_listen_addr')) {
/*
* IP matches listen address. At this point we really don't care
* if we can really listen on that address
$isFound = TRUE;
// Remember the port number
- $this->bootIpPort = $ipPort;
+ $this->bootUnl = $unl;
// Output message
- self::createDebugInstance(__CLASS__)->debugOutput('BOOTSTRAP: ' . __FUNCTION__ . '[' . __LINE__ . ']: IP matches listen address ' . $ipPort . '.');
+ self::createDebugInstance(__CLASS__)->debugOutput('BOOTSTRAP: ' . __FUNCTION__ . '[' . __METHOD__ . ':' . __LINE__ . ']: UNL matches listen address ' . $unl . '.');
// Stop further searching
break;
return $isFound;
}
+ /**
+ * Tries to detect own UNL (Universal Node Locator)
+ *
+ * @return $unl Node's own universal node locator
+ */
+ public function detectOwnUniversalNodeLocator () {
+ // Is "cache" set?
+ if (!isset($GLOBALS[__METHOD__])) {
+ // Get the UNL array back
+ $unlData = $this->getUniversalNodeLocatorArray();
+
+ // There are 2 UNLs, internal and external.
+ if ($this->getConfigInstance()->getConfigEntry('allow_publish_internal_address') == 'N') {
+ // Public "external" UNL address
+ $GLOBALS[__METHOD__] = $unlData[NodeInformationDatabaseWrapper::DB_COLUMN_EXTERNAL_UNL];
+ } else {
+ // Non-public "internal" UNL address
+ $GLOBALS[__METHOD__] = $unlData[NodeInformationDatabaseWrapper::DB_COLUMN_INTERNAL_UNL];
+ }
+ } // END - if
+
+ // Return it
+ return $GLOBALS[__METHOD__];
+ }
+
/**
* Outputs the console teaser. This should only be executed on startup or
* full restarts. This method generates some space around the teaser.
// Output all lines
self::createDebugInstance(__CLASS__)->debugOutput(' ');
self::createDebugInstance(__CLASS__)->debugOutput($app->getAppName() . ' v' . $app->getAppVersion() . ' - ' . $this->getRequestInstance()->getRequestElement('mode') . ' mode active');
- self::createDebugInstance(__CLASS__)->debugOutput('Copyright (c) 2007 - 2008 Roland Haeder, 2009 - 2012 Hub Developer Team');
+ self::createDebugInstance(__CLASS__)->debugOutput('Copyright (c) 2007 - 2008 Roland Haeder, 2009 - 2015 Hub Developer Team');
self::createDebugInstance(__CLASS__)->debugOutput(' ');
self::createDebugInstance(__CLASS__)->debugOutput('This program comes with ABSOLUTELY NO WARRANTY; for details see docs/COPYING.');
self::createDebugInstance(__CLASS__)->debugOutput('This is free software, and you are welcome to redistribute it under certain');
// Output message
self::createDebugInstance(__CLASS__)->debugOutput('BOOTSTRAP: Created new session-id: ' . $this->getSessionId() . '');
- // Change the state because the node has auired a hub id
+ // Change the state because the node has aquired a session id
$this->getStateInstance()->nodeGeneratedSessionId();
}
* @return void
*/
public function addElementsToDataSet (StoreableCriteria $criteriaInstance, Requestable $requestInstance = NULL) {
- // Make sure request instance is set as it is not optional
+ // Make sure the request instance is set as it is not optional.
assert($requestInstance instanceof Requestable);
// Add node number and type
$criteriaInstance->addCriteria(NodeInformationDatabaseWrapper::DB_COLUMN_PRIVATE_KEY, base64_encode($this->getPrivateKey()));
$criteriaInstance->addCriteria(NodeInformationDatabaseWrapper::DB_COLUMN_PRIVATE_KEY_HASH, $this->getPrivateKeyHash());
} // END - if
+
+ // Add own external and internal addresses as UNLs
+ $criteriaInstance->addCriteria(NodeInformationDatabaseWrapper::DB_COLUMN_INTERNAL_UNL, HubTools::determineOwnInternalAddress());
+ $criteriaInstance->addCriteria(NodeInformationDatabaseWrapper::DB_COLUMN_EXTERNAL_UNL, HubTools::determineOwnExternalAddress());
}
/**
$helperInstance->sendPackage($this);
// Change the state, this should be the last line except debug output
- $this->getStateInstance()->nodeAnnouncedToUpperHubs();
+ $this->getStateInstance()->nodeAnnouncingToUpperHubs();
// Debug output
self::createDebugInstance(__CLASS__)->debugOutput('HUB-Announcement: FINISHED');
*/
public function doSelfConnection (Taskable $taskInstance) {
// Debug output
- self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __LINE__ . ']: Self Connection: START (taskInstance=' . $taskInstance->__toString(). ')');
+ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: Self Connection: START (taskInstance=' . $taskInstance->__toString(). ')');
// Get a helper instance
$helperInstance = ObjectFactory::createObjectByConfiguredName('node_self_connect_helper_class', array($this));
$helperInstance->sendPackage($this);
// Debug output
- self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __LINE__ . ']: Self Connection: FINISHED');
+ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: Self Connection: FINISHED');
}
/**
*/
public function initializeListenerPool () {
// Debug output
- self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __LINE__ . ']: Initialize listener: START');
+ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: Initialize listener: START');
// Get a new pool instance
$this->setListenerPoolInstance(ObjectFactory::createObjectByConfiguredName('listener_pool_class', array($this)));
$this->getListenerPoolInstance()->addListener($decoratorInstance);
// Debug output
- self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __LINE__ . ']: Initialize listener: FINISHED.');
+ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: Initialize listener: FINISHED.');
}
/**
return $acceptAnnouncements;
}
+ /**
+ * Checks whether this node accepts DHT bootstrap requests
+ *
+ * @return $acceptDhtBootstrap Whether this node accepts DHT bootstrap requests
+ */
+ public final function isAcceptingDhtBootstrap () {
+ // Check it (this node must be active and not shutdown!)
+ $acceptDhtBootstrap = (($this->acceptDhtBootstrap === TRUE) && ($this->isNodeActive()));
+
+ // Return it
+ return $acceptDhtBootstrap;
+ }
+
/**
* Checks whether this node has attempted to announce itself
*
* @return $hasAnnounced Whether this node has attempted to announce itself
* @todo Add checking if this node has been announced to the sender node
*/
- public function ifNodeHasAnnounced () {
+ public function ifNodeIsAnnouncing () {
// Debug message
- /* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __LINE__ . ']: ifNodeHasAnnounced(): state=' . $this->getStateInstance()->getStateName());
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: ifNodeIsAnnouncing(): state=' . $this->getStateInstance()->getStateName());
// Simply check the state of this node
- $hasAnnounced = ($this->getStateInstance() instanceof NodeAnnouncedState);
+ $hasAnnounced = ($this->getStateInstance() instanceof NodeAnnouncingState);
// Debug message
- /* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __LINE__ . ']: ifNodeHasAnnounced(): hasAnnounced=' . intval($hasAnnounced));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: ifNodeIsAnnouncing(): hasAnnounced=' . intval($hasAnnounced));
// Return it
return $hasAnnounced;
*/
public function ifNodeHasAnnouncementCompleted () {
// Debug message
- /* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __LINE__ . ']: ifNodeHasAnnouncementCompleted(): state=' . $this->getStateInstance()->getStateName());
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: ifNodeHasAnnouncementCompleted(): state=' . $this->getStateInstance()->getStateName());
// Simply check the state of this node
$hasAnnouncementCompleted = ($this->getStateInstance() instanceof NodeAnnouncementCompletedState);
// Debug message
- /* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __LINE__ . ']: ifNodeHasAnnouncementCompleted(): hasAnnouncementCompleted=' . intval($hasAnnouncementCompleted));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: ifNodeHasAnnouncementCompleted(): hasAnnouncementCompleted=' . intval($hasAnnouncementCompleted));
// Return it
return $hasAnnouncementCompleted;
$this->acceptAnnouncements = $acceptAnnouncements;
}
+ /**
+ * Enables whether this node accepts DHT bootstrap requests
+ *
+ * @param $acceptDhtBootstrap Whether this node accepts DHT bootstrap requests (default: TRUE)
+ * @return void
+ */
+ public final function enableAcceptDhtBootstrap ($acceptDhtBootstrap = TRUE) {
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: Enabling DHT bootstrap requests ...');
+ $this->acceptDhtBootstrap = $acceptDhtBootstrap;
+ }
+
/**
* Checks wether this node is accepting node-list requests
*
}
/**
- * "Getter" for address:port combination
+ * Determines an instance of a LocateableNode class
*
- * @return $addressPort A address:port combination for this node
+ * @return $unlInstance An instance of a LocateableNode class for this node
*/
- public final function getAddressPort () {
- // Get IP and port
- $addressPort = $this->getConfigInstance()->detectServerAddress() . ':' . $this->getConfigInstance()->getConfigEntry('node_listen_port');
+ public function determineUniversalNodeLocator () {
+ // Debug message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: CALLED!');
- // Return it
- return $addressPort;
+ // Determine UNL based on this node:
+ // 1) Get discovery class
+ $discoveryInstance = ObjectFactory::createObjectByConfiguredName('unl_discovery_class');
+
+ // 2) "Determine" it
+ $unlInstance = $discoveryInstance->discoverUniversalNodeLocatorByNode($this);
+
+ // 3) Return it
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: unlInstance= ' . $unlInstance->__toString() . ' - EXIT!');
+ return $unlInstance;
}
/**
- * "Getter" for address:port array
+ * "Getter" for an array of an instance of a LocateableNode class
*
- * @return $addressPortArray An array of a address:port combination for this node
+ * @return $unlData An array from an instance of a LocateableNode class for this node
*/
- public final function getAddressPortArray () {
- // Get IP and port
- $addressPortArray = explode(':', $this->getAddressPort());
+ public final function getUniversalNodeLocatorArray () {
+ // Debug message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: CALLED!');
+
+ // Get the Universal Node Locator (UNL) instance
+ $unlInstance = $this->determineUniversalNodeLocator();
+
+ // Make sure the instance is valid
+ if (!$unlInstance instanceof LocateableNode) {
+ // No valid instance, so better debug this
+ $this->debugBackTrace('unlInstance[' . gettype($unlInstance) . ']=' . $unlInstance);
+ } // END - if
+
+ // ... and the array from it
+ $unlData = $unlInstance->getUnlData();
// Return it
- return $addressPortArray;
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: EXIT!');
+ return $unlData;
}
/**
// ... and return it
return $objectList;
}
+
+ /**
+ * Adds all required elements from given array into data set instance
+ *
+ * @param $dataSetInstance An instance of a StoreableCriteria class
+ * @param $nodeData An array with valid node data
+ * @return void
+ */
+ public function addArrayToDataSet (StoreableCriteria $dataSetInstance, array $nodeData) {
+ // Add all data the array provides
+ foreach (NodeDistributedHashTableDatabaseWrapper::getAllElements() as $element) {
+ // Is the element there?
+ if (isset($nodeData[$element])) {
+ // Add it
+ $dataSetInstance->addCriteria($element, $nodeData[$element]);
+ } else {
+ // Output warning message
+ /* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE[' . __METHOD__ . ':' . __LINE__ . ']: addArrayToDataSet(): Element ' . $element . ' not found in nodeData array.');
+ }
+ } // END - foreac
+ }
}
// [EOF]