From: Roland Häder <roland@mxchange.org>
Date: Sun, 26 Jan 2025 17:44:31 +0000 (+0100)
Subject: Continued:
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=08f383fa5216768d64ff6249318b816741c97f39;p=hub.git

Continued:
- private and final isn't needed
- added public method `generateListHashFromEntry (array $entry): string` to interface
- updated 'core' framework
---

diff --git a/application/hub/classes/discovery/recipient/socket/class_PackageSocketDiscovery.php b/application/hub/classes/discovery/recipient/socket/class_PackageSocketDiscovery.php
index f62c0ca5c..a48f8eb47 100644
--- a/application/hub/classes/discovery/recipient/socket/class_PackageSocketDiscovery.php
+++ b/application/hub/classes/discovery/recipient/socket/class_PackageSocketDiscovery.php
@@ -234,8 +234,8 @@ class PackageSocketDiscovery extends BaseRecipientDiscovery implements Discovera
 		}
 
 		// And return it
-		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('PACKAGE-SOCKET-DISCOVERY: socketInstance=%s,socketInstance->socketResource=%s - EXIT!', $socketInstance->__toString(), $socketInstance->getSocketResource()));
-		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('PACKAGE-SOCKET-DISCOVERY: socketResource=' . $socketInstance->getSocketResource() . ',packageInstance=' . print_r($packageInstance, TRUE));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('PACKAGE-SOCKET-DISCOVERY: socketInstance=%s,socketInstance->socketResource=%s - EXIT!', $socketInstance->__toString(), $socketInstance->getPrintableName()));
+		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('PACKAGE-SOCKET-DISCOVERY: socketResource=' . $socketInstance->getPrintableName() . ',packageInstance=' . print_r($packageInstance, TRUE));
 		return $socketInstance;
 	}
 
diff --git a/application/hub/classes/factories/socket/class_SocketFactory.php b/application/hub/classes/factories/socket/class_SocketFactory.php
index 4e9ab32f7..6fa1317e4 100644
--- a/application/hub/classes/factories/socket/class_SocketFactory.php
+++ b/application/hub/classes/factories/socket/class_SocketFactory.php
@@ -111,7 +111,7 @@ class SocketFactory extends BaseFactory {
 			$socketInstance = self::$socketRegistryInstance->getInstance($registryKey);
 
 			// Debug message
-			/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('SOCKET-FACTORY: Using socketResource[%s]=%s from registry.', gettype($socketInstance->getSocketResource()), $socketInstance->getSocketResource()));
+			/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('SOCKET-FACTORY: Using socketResource[%s]=%s from registry.', gettype($socketInstance->getSocketResource()), $socketInstance->getPrintableName()));
 		} else {
 			// Invoke inner factory
 			$socketInstance = ObjectFactory::createObjectByConfiguredName(sprintf('%s_connection_helper_class', $protocolInstance->getProtocolName()), array($packageInstance));
@@ -454,7 +454,7 @@ class SocketFactory extends BaseFactory {
 	 */
 	public static final function createNextAcceptedSocketFromPool (Poolable $poolInstance, StorableSocket $socketInstance) {
 		// Invoke static initializer
-		/* NOISY-DEBUG */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('SOCKET-FACTORY: poolInstance=%s,socketInstance->socketResource=%s - CALLED!', $poolInstance->__toString(), $socketInstance->getSocketResource()));
+		/* NOISY-DEBUG */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('SOCKET-FACTORY: poolInstance=%s,socketInstance->socketResource=%s - CALLED!', $poolInstance->__toString(), $socketInstance->getPrintableName()));
 		self::staticInitializer();
 
 		// Get socket protocol
diff --git a/application/hub/classes/handler/raw_data/tcp/class_TcpRawDataHandler.php b/application/hub/classes/handler/raw_data/tcp/class_TcpRawDataHandler.php
index eacfba8b3..7725d92e7 100644
--- a/application/hub/classes/handler/raw_data/tcp/class_TcpRawDataHandler.php
+++ b/application/hub/classes/handler/raw_data/tcp/class_TcpRawDataHandler.php
@@ -82,7 +82,7 @@ class TcpRawDataHandler extends BaseRawDataHandler implements Networkable {
 		$this->setErrorCode(StorableSocket::SOCKET_ERROR_UNHANDLED);
 
 		// Read the raw data from socket in a loop
-		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('TCP-RAW-DATA-HANDLER: Handling TCP package from socketResource=%s,last error=%s,socketType=%s', $socketInstance->getSocketResource(), $socketInstance->getLastSocketErrorMessage(), $socketInstance->getSocketType()));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('TCP-RAW-DATA-HANDLER: Handling TCP package from socketResource=%s,last error=%s,socketType=%s', $socketInstance->getPrintableName(), $socketInstance->getLastSocketErrorMessage(), $socketInstance->getSocketType()));
 		while ($rawData = $socketInstance->readDataFromSocket()) {
 			// Get socket error code back
 			/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('TCP-RAW-DATA-HANDLER: rawData(%d)[]=%s', strlen($rawData), gettype($rawData)));
@@ -96,7 +96,7 @@ class TcpRawDataHandler extends BaseRawDataHandler implements Networkable {
 				 * ignored on non-blocking sockets. The socket is currently not
 				 * sending any data.
 				 */
-				/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('TCP-RAW-DATA-HANDLER: Ignoring error 11 (Resource temporary unavailable) from socketResource=%s - CONTINUE!', $socketInstance->getSocketResource()));
+				/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('TCP-RAW-DATA-HANDLER: Ignoring error 11 (Resource temporary unavailable) from socketResource=%s - CONTINUE!', $socketInstance->getPrintableName()));
 				$socketInstance->clearLastSocketError();
 
 				// Is there anything to add to the stacker?
diff --git a/application/hub/classes/handler/raw_data/udp/class_UdpRawDataHandler.php b/application/hub/classes/handler/raw_data/udp/class_UdpRawDataHandler.php
index 44b4942de..bba06b103 100644
--- a/application/hub/classes/handler/raw_data/udp/class_UdpRawDataHandler.php
+++ b/application/hub/classes/handler/raw_data/udp/class_UdpRawDataHandler.php
@@ -72,7 +72,7 @@ class UdpRawDataHandler extends BaseRawDataHandler implements Networkable {
 		$this->setErrorCode(StorableSocket::SOCKET_ERROR_UNHANDLED);
 
 		// Debug message
-		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('UDP-HANDLER: Handling UDP package from socketResource=%s,last error=%s', $socketInstance->getSocketResource(), $socketInstance->getLastSocketErrorMessage()));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('UDP-HANDLER: Handling UDP package from socketResource=%s,last error=%s', $socketInstance->getPrintableName(), $socketInstance->getLastSocketErrorMessage()));
 		DebugMiddleware::getSelfInstance()->partialStub('Please rewrite this part.');
 		return;
 	}
diff --git a/application/hub/classes/listener/class_BaseListener.php b/application/hub/classes/listener/class_BaseListener.php
index a1136abeb..162818462 100644
--- a/application/hub/classes/listener/class_BaseListener.php
+++ b/application/hub/classes/listener/class_BaseListener.php
@@ -232,7 +232,7 @@ abstract class BaseListener extends BaseHubSystem implements Visitable {
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('%s-LISTENER: socketInstance=%s - CALLED!', strtoupper($this->getProtocolName()), $socketInstance->__toString()));
 		if ($this->isServerSocketRegistered($socketInstance)) {
 			// Already registered
-			throw new SocketAlreadyRegisteredException(array($this, $socketInstance->getSocketResource()), self::EXCEPTION_SOCKET_ALREADY_REGISTERED);
+			throw new SocketAlreadyRegisteredException([$this, $socketInstance->getSocketResource()], self::EXCEPTION_SOCKET_ALREADY_REGISTERED);
 		}
 
 		// Get a connection info instance
@@ -248,11 +248,11 @@ abstract class BaseListener extends BaseHubSystem implements Visitable {
 		$infoInstance->fillWithListenerInformation($this);
 
 		// Register the socket
-		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('%s-LISTENER: Registering socketInstance->socketResource=%s,socketType=%s ...', strtoupper($this->getProtocolName()), $socketInstance->getSocketResource(), $socketInstance->getSocketType()));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('%s-LISTENER: Registering socketInstance->socketResource=%s,socketType=%s ...', strtoupper($this->getProtocolName()), $socketInstance->getPrintableName(), $socketInstance->getSocketType()));
 		$this->getRegistryInstance()->registerSocketInstance($infoInstance, $socketInstance);
 
 		// And set it here
-		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('%s-LISTENER: Setting socketInstance=%s (socketResource=%s) ...', strtoupper($this->getProtocolName()), $socketInstance->__toString(), $socketInstance->getSocketResource()));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('%s-LISTENER: Setting socketInstance=%s (socketResource=%s) ...', strtoupper($this->getProtocolName()), $socketInstance->__toString(), $socketInstance->getPrintableName()));
 		$this->setSocketInstance($socketInstance);
 
 		// Trace message
@@ -282,7 +282,7 @@ abstract class BaseListener extends BaseHubSystem implements Visitable {
 		$infoInstance->fillWithListenerInformation($this);
 
 		// Check it
-		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('%s-LISTENER: Checking socketInstance ... (socketResource=%s)', strtoupper($this->getProtocolName()), $socketInstance->getSocketResource()));
+		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('%s-LISTENER: Checking socketInstance ... (socketResource=%s)', strtoupper($this->getProtocolName()), $socketInstance->getPrintableName()));
 		$isRegistered = $this->getRegistryInstance()->isSocketRegistered($infoInstance, $socketInstance);
 
 		// Return result
@@ -441,7 +441,7 @@ abstract class BaseListener extends BaseHubSystem implements Visitable {
 		$socketInstance->setSenderPort($peerPort);
 
 		// Register the socket with the registry and with the faked array
-		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('%s-LISTENER: Registering socketInstance->socketResource=%s,socketType=%s ...', strtoupper($this->getProtocolName()), $socketInstance->getSocketResource(), $socketInstance->getSocketType()));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('%s-LISTENER: Registering socketInstance->socketResource=%s,socketType=%s ...', strtoupper($this->getProtocolName()), $socketInstance->getPrintableName(), $socketInstance->getSocketType()));
 		$this->getRegistryInstance()->registerSocketInstance($infoInstance, $socketInstance);
 
 		// Invoke private method
diff --git a/application/hub/classes/listener/socket/class_SocketFileListener.php b/application/hub/classes/listener/socket/class_SocketFileListener.php
index 130b8a2ba..dc5391652 100644
--- a/application/hub/classes/listener/socket/class_SocketFileListener.php
+++ b/application/hub/classes/listener/socket/class_SocketFileListener.php
@@ -100,7 +100,7 @@ class SocketFileListener extends BaseListener implements Listenable {
 		$this->setHandlerInstance($handlerInstance);
 
 		// Output message
-		self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('SOCKET-FILE-LISTENER: Socket listener now ready on socket ' . $socketInstance->getSocketResource() . ' for service.');
+		self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('SOCKET-FILE-LISTENER: Socket listener now ready on socket ' . $socketInstance->getPrintableName() . ' for service.');
 	}
 
 	/**
diff --git a/application/hub/classes/pools/class_BasePool.php b/application/hub/classes/pools/class_BasePool.php
index 59eaa48dd..72558c065 100644
--- a/application/hub/classes/pools/class_BasePool.php
+++ b/application/hub/classes/pools/class_BasePool.php
@@ -14,6 +14,9 @@ use Org\Mxchange\CoreFramework\Registry\Object\ObjectRegistry;
 use Org\Mxchange\CoreFramework\Visitor\Visitable;
 use Org\Mxchange\CoreFramework\Visitor\Visitor;
 
+// Import SPL stuff
+use \Iterator;
+
 /**
  * A general pool class
  *
@@ -70,7 +73,7 @@ abstract class BasePool extends BaseHubSystem implements Poolable, Visitable {
 	 * @param	$visitableInstance	An instance of a class that should bed added to the pool
 	 * @return	void
 	 */
-	protected final function addInstance ($group, $poolName, Visitable $visitableInstance) {
+	protected final function addInstance (string $group, string $poolName, Visitable $visitableInstance): void {
 		// Debug message
 		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('POOL: group=' . $group . ',poolName=' . $poolName . ',visitableInstance=' . $visitableInstance->__toString() . ' - CALLED!');
 
@@ -96,7 +99,7 @@ abstract class BasePool extends BaseHubSystem implements Poolable, Visitable {
 	 * @param	$poolEntry	The new pool entry that should be added
 	 * @return	void
 	 */
-	protected final function addPoolEntry ($poolEntry) {
+	protected final function addPoolEntry ($poolEntry): void {
 		$this->getPoolEntriesInstance()->addEntry('pool', $poolEntry);
 	}
 
@@ -106,7 +109,7 @@ abstract class BasePool extends BaseHubSystem implements Poolable, Visitable {
 	 * @param	$list	The list identifier we should return
 	 * @return	$array	The requested array
 	 */
-	public final function getArrayFromList (string $list) {
+	public final function getArrayFromList (string $list): array {
 		// Get the array
 		$array = $this->getPoolEntriesInstance()->getArrayFromList($list);
 
@@ -129,7 +132,7 @@ abstract class BasePool extends BaseHubSystem implements Poolable, Visitable {
 	 * @param	$visitorInstance	An instance of a Visitor class
 	 * @return	void
 	 */
-	public function accept (Visitor $visitorInstance) {
+	public function accept (Visitor $visitorInstance): void {
 		// Debug message
 		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('POOL: ' . $visitorInstance->__toString() . ' has visited - CALLED!');
 
@@ -182,7 +185,7 @@ abstract class BasePool extends BaseHubSystem implements Poolable, Visitable {
 	 *
 	 * @return	void
 	 */
-	public function preShutdown () {
+	public function preShutdown (): void {
 		// Debug message
 		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('POOL: Shutting down listener pool - CALLED!');
 
@@ -202,7 +205,7 @@ abstract class BasePool extends BaseHubSystem implements Poolable, Visitable {
 	 * @param	$poolType	Pool type (e.g. socket_listen)
 	 * @return	$iteratorInstance	An instance of a Iterator class
 	 */
-	public function createListIteratorInstance ($poolType) {
+	public function createListIteratorInstance (string $poolType): Iterator {
 		// Create iterator instance
 		$iteratorInstance = ObjectFactory::createObjectByConfiguredName($poolType . '_iterator_class', array($this->getPoolEntriesInstance()));
 
@@ -216,7 +219,7 @@ abstract class BasePool extends BaseHubSystem implements Poolable, Visitable {
 	 * @param	$entry	Array entry to be used
 	 * @return	$hash	Hash from it
 	 */
-	public function generateListHashFromEntry (array $entry) {
+	public function generateListHashFromEntry (array $entry): string {
 		// Trace message
 		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('POOL: entry()=%d - CALLED!', count($entry)));
 
@@ -229,7 +232,7 @@ abstract class BasePool extends BaseHubSystem implements Poolable, Visitable {
 		// Is 'instance' and 'connection_type' set?
 		if ((isset($entry[Poolable::SOCKET_ARRAY_INSTANCE])) && (isset($entry[Poolable::SOCKET_ARRAY_CONN_TYPE]))) {
 			// Get socket resource and type
-			$hash = $entry[Poolable::SOCKET_ARRAY_INSTANCE]->getSocketResource() . ':' . $entry[Poolable::SOCKET_ARRAY_CONN_TYPE];
+			$hash = $entry[Poolable::SOCKET_ARRAY_INSTANCE]->getPrintableName() . ':' . $entry[Poolable::SOCKET_ARRAY_CONN_TYPE];
 		} else {
 			// Not supported
 			$this->debugInstance(sprintf('[%s:%d]: entry=%s is not supported.', __METHOD__, __LINE__, print_r($entry, TRUE)));
diff --git a/application/hub/classes/pools/peer/class_DefaultPeerPool.php b/application/hub/classes/pools/peer/class_DefaultPeerPool.php
index bd2ccd5c9..c196735ca 100644
--- a/application/hub/classes/pools/peer/class_DefaultPeerPool.php
+++ b/application/hub/classes/pools/peer/class_DefaultPeerPool.php
@@ -80,7 +80,7 @@ class DefaultPeerPool extends BasePool implements PoolablePeer {
 	 */
 	private function validateSocket (StorableSocket $socketInstance) {
 		// Is it a valid resource?
-		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('HUB-SYSTEM: socketInstance->socketResource=%s - CALLED!', $socketInstance->getSocketResource()));
+		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('HUB-SYSTEM: socketInstance->socketResource=%s - CALLED!', $socketInstance->getPrintableName()));
 		if (!$socketInstance->isValidSocket()) {
 			// Throw an exception
 			throw new InvalidSocketException([$this, $socketInstance->getSocketResource()], self::EXCEPTION_INVALID_SOCKET);
@@ -107,7 +107,7 @@ class DefaultPeerPool extends BasePool implements PoolablePeer {
 	 */
 	public function addPeer (StorableSocket $socketInstance, string $connectionType) {
 		// Validate parameter
-		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('DEFAULT-PEER-POOL: socketResource[%s]=%s,connectionType=%s - CALLED!', gettype($socketInstance->getSocketResource()), $socketInstance->getSocketResource(), $connectionType));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('DEFAULT-PEER-POOL: socketResource[%s]=%s,connectionType=%s - CALLED!', gettype($socketInstance->getSocketResource()), $socketInstance->getPrintableName(), $connectionType));
 		if (empty($connectionType)) {
 			// Throw exception
 			throw new InvalidArgumentException('Parameter "connectionType" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
@@ -135,11 +135,11 @@ class DefaultPeerPool extends BasePool implements PoolablePeer {
 			}
 		} else {
 			// Server sockets won't work with socket_getpeername()
-			self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('DEFAULT-PEER-POOL: Socket resource is server socket (' . $socketInstance->getSocketResource() . '). This is not a bug.');
+			self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('DEFAULT-PEER-POOL: Socket resource is server socket (' . $socketInstance->getPrintableName() . '). This is not a bug.');
 		}
 
 		// Construct the array
-		/* DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('DEFAULT-PEER-POOL: Adding peer ' . $peerAddress . ':' . $peerPort . ',socketResource=' . $socketInstance->getSocketResource() . ',connectionType=' . $connectionType);
+		/* DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('DEFAULT-PEER-POOL: Adding peer ' . $peerAddress . ':' . $peerPort . ',socketResource=' . $socketInstance->getPrintableName() . ',connectionType=' . $connectionType);
 		$socketArray = [
 			Poolable::SOCKET_ARRAY_INSTANCE  => $socketInstance,
 			Poolable::SOCKET_ARRAY_CONN_TYPE => $connectionType
diff --git a/application/hub/classes/registry/socket/class_SocketRegistry.php b/application/hub/classes/registry/socket/class_SocketRegistry.php
index 67f983896..d0bc80fb7 100644
--- a/application/hub/classes/registry/socket/class_SocketRegistry.php
+++ b/application/hub/classes/registry/socket/class_SocketRegistry.php
@@ -228,7 +228,7 @@ class SocketRegistry extends BaseRegistry implements Register, RegisterableSocke
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('SOCKET-REGISTRY: infoInstance->protocolName=%s,infoInstance->socketResource[%s]=%s - CALLED!', $infoInstance->getProtocolName(), gettype($socketInstance->getSocketResource()), $socketInstance->getPrintableName()));
 		if ($this->isSocketRegistered($infoInstance, $socketInstance)) {
 			// Throw the exception
-			throw new SocketAlreadyRegisteredException(array($infoInstance, $socketInstance->getSocketResource()), BaseListener::EXCEPTION_SOCKET_ALREADY_REGISTERED);
+			throw new SocketAlreadyRegisteredException([$infoInstance, $socketInstance->getSocketResource()], BaseListener::EXCEPTION_SOCKET_ALREADY_REGISTERED);
 		}
 
 		// Create registry key
diff --git a/application/hub/classes/resolver/state/peer/class_PeerStateResolver.php b/application/hub/classes/resolver/state/peer/class_PeerStateResolver.php
index 3c934065e..8d392d3ba 100644
--- a/application/hub/classes/resolver/state/peer/class_PeerStateResolver.php
+++ b/application/hub/classes/resolver/state/peer/class_PeerStateResolver.php
@@ -88,7 +88,7 @@ class PeerStateResolver extends BaseStateResolver implements StateResolver {
 			// Still no socket resource?
 			if (!$socketInstance->isValidSocket()) {
 				// Then abort here with an exception (may happen after socket_shutdown())
-				throw new InvalidSocketException(array($helperInstance, $socketInstance->getSocketResource()), self::EXCEPTION_INVALID_SOCKET);
+				throw new InvalidSocketException([$helperInstance, $socketInstance->getSocketResource()], self::EXCEPTION_INVALID_SOCKET);
 			}
 		}
 
diff --git a/application/hub/interfaces/pool/class_Poolable.php b/application/hub/interfaces/pool/class_Poolable.php
index 5f5a17d0f..b425ec629 100644
--- a/application/hub/interfaces/pool/class_Poolable.php
+++ b/application/hub/interfaces/pool/class_Poolable.php
@@ -5,6 +5,9 @@ namespace Org\Shipsimu\Hub\Pool;
 // Import application-specific stuff
 use Org\Shipsimu\Hub\Generic\HubInterface;
 
+// Import SPL stuff
+use \Iterator;
+
 /**
  * A Poolable interface
  *
@@ -38,7 +41,7 @@ interface Poolable extends HubInterface {
 	 * @param	$list	The list identifier we should return
 	 * @return	$array	The requested array
 	 */
-	function getArrayFromList (string $list);
+	function getArrayFromList (string $list): array;
 
 	/**
 	 * Getter for pool entries instance
@@ -52,7 +55,7 @@ interface Poolable extends HubInterface {
 	 *
 	 * @return	void
 	 */
-	function preShutdown ();
+	function preShutdown (): void;
 
 	/**
 	 * Creates an iterator from inner list instance.
@@ -60,6 +63,14 @@ interface Poolable extends HubInterface {
 	 * @param	$poolType	Pool type (e.g. 'socket_listen', 'network_listen')
 	 * @return	$iteratorInstance	An instance of a Iterator class
 	 */
-	function createListIteratorInstance (string $poolType);
+	function createListIteratorInstance (string $poolType): Iterator;
+
+	/**
+	 * Creates a hash based on given entry
+	 *
+	 * @param	$entry	Array entry to be used
+	 * @return	$hash	Hash from it
+	 */
+	function generateListHashFromEntry (array $entry): string;
 
 }
diff --git a/application/hub/traits/fragmenter/class_FragmentableTrait.php b/application/hub/traits/fragmenter/class_FragmentableTrait.php
index f9d7259c4..4f5241c2c 100644
--- a/application/hub/traits/fragmenter/class_FragmentableTrait.php
+++ b/application/hub/traits/fragmenter/class_FragmentableTrait.php
@@ -39,7 +39,7 @@ trait FragmentableTrait {
 	 * @param	$fragmenterInstance		A Fragmentable instance
 	 * @return	void
 	 */
-	private final function setFragmenterInstance (Fragmentable $fragmenterInstance) {
+	private function setFragmenterInstance (Fragmentable $fragmenterInstance) {
 		$this->fragmenterInstance = $fragmenterInstance;
 	}
 
diff --git a/core b/core
index 76a44f7f1..b0d8c8050 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 76a44f7f1b907c63484c751f1fcf19730c553b7d
+Subproject commit b0d8c80500e1b796f2398c44f20b36173bfc4d6c