*
* @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
* @todo Needs to add functionality for handling the object's type
const INDEX_PACKAGE_RECIPIENT = 1;
const INDEX_PACKAGE_CONTENT = 2;
const INDEX_PACKAGE_STATUS = 3;
- const INDEX_PACKAGE_SIGNATURE = 4;
+ const INDEX_PACKAGE_HASH = 4;
/**
- * Size of the decoded data array ('status' is not included)
+ * Size of the decoded data array
*/
- const DECODED_DATA_ARRAY_SIZE = 4;
+ const DECODED_DATA_ARRAY_SIZE = 5;
/**
* Named array elements for decoded package content
const PACKAGE_CONTENT_MESSAGE = 'message';
const PACKAGE_CONTENT_TAGS = 'tags';
const PACKAGE_CONTENT_CHECKSUM = 'checksum';
+ const PACKAGE_CONTENT_SENDER = 'sender';
+ const PACKAGE_CONTENT_HASH = 'hash';
/**
* Named array elements for package data
*/
const PACKAGE_DATA_SENDER = 'sender';
const PACKAGE_DATA_RECIPIENT = 'recipient';
- const PACKAGE_DATA_PROTOCOL = 'protocol';
const PACKAGE_DATA_CONTENT = 'content';
const PACKAGE_DATA_STATUS = 'status';
- const PACKAGE_DATA_SIGNATURE = 'signature';
+ const PACKAGE_DATA_HASH = 'hash';
/**
* All package status
const STACKER_NAME_PROCESSED_MESSAGE = 'package_processed_message';
/**************************************************************************
- * Stacker for other/internal purposes *
+ * Stacker for raw data handling *
**************************************************************************/
/**
- * Stacker name for "back-buffered" packages
+ * Stacker for outgoing data stream
*/
- const STACKER_NAME_BACK_BUFFER = 'package_backbuffer';
+ const STACKER_NAME_OUTGOING_STREAM = 'outgoing_stream';
+
+ /**
+ * Array index for final hash
+ */
+ const RAW_FINAL_HASH_INDEX = 'hash';
+
+ /**
+ * Array index for encoded data
+ */
+ const RAW_ENCODED_DATA_INDEX = 'data';
+
+ /**
+ * Array index for sent bytes
+ */
+ const RAW_SENT_BYTES_INDEX = 'sent';
+
+ /**
+ * Array index for socket resource
+ */
+ const RAW_SOCKET_INDEX = 'socket';
+
+ /**
+ * Array index for buffer size
+ */
+ const RAW_BUFFER_SIZE_INDEX = 'buffer';
+
+ /**
+ * Array index for diff between buffer and sent bytes
+ */
+ const RAW_DIFF_INDEX = 'diff';
/**************************************************************************
* Protocol names *
* which have no recipient address and stamp... ;-) This stacker will
* also be used for incoming raw data to handle it.
*/
- $stackerInstance = ObjectFactory::createObjectByConfiguredName('network_package_stacker_class');
+ $stackInstance = ObjectFactory::createObjectByConfiguredName('network_package_stacker_class');
// At last, set it in this class
- $packageInstance->setStackerInstance($stackerInstance);
+ $packageInstance->setStackInstance($stackInstance);
// Init all stacker
$packageInstance->initStacks();
// Get a visitor instance for speeding up things and set it
- $visitorInstance = ObjectFactory::createObjectByConfiguredName('node_raw_data_monitor_visitor_class', array($packageInstance));
+ $visitorInstance = ObjectFactory::createObjectByConfiguredName('node_raw_data_monitor_visitor_class');
$packageInstance->setVisitorInstance($visitorInstance);
// Get crypto instance and set it, too
$assemblerInstance = PackageAssemblerFactory::createAssemblerInstance($packageInstance);
$packageInstance->setAssemblerInstance($assemblerInstance);
+ // Get node instance
+ $nodeInstance = NodeObjectFactory::createNodeInstance();
+
+ // Get pool instance from node
+ $poolInstance = $nodeInstance->getListenerPoolInstance();
+
+ // And set it here
+ $packageInstance->setListenerPoolInstance($poolInstance);
+
// Return the prepared instance
return $packageInstance;
}
*/
protected function initStacks ($forceReInit = FALSE) {
// Initialize all
- $this->getStackerInstance()->initStacks(array(
+ $this->getStackInstance()->initStacks(array(
self::STACKER_NAME_UNDECLARED,
self::STACKER_NAME_DECLARED,
self::STACKER_NAME_OUTGOING,
self::STACKER_NAME_DECODED_CHUNKED,
self::STACKER_NAME_NEW_MESSAGE,
self::STACKER_NAME_PROCESSED_MESSAGE,
- self::STACKER_NAME_BACK_BUFFER
+ self::STACKER_NAME_OUTGOING_STREAM
), $forceReInit);
}
+ /**
+ * Determines private key hash from given session id
+ *
+ * @param $decodedData Array with decoded data
+ * @return $hash Private key's hash
+ */
+ private function determineSenderPrivateKeyHash (array $decodedData) {
+ // Get DHT instance
+ $dhtInstance = DhtObjectFactory::createDhtInstance('node');
+
+ // Ask DHT for session id
+ $senderData = $dhtInstance->findNodeLocalBySessionId($decodedData[self::INDEX_PACKAGE_SENDER]);
+
+ // Is an entry found?
+ if (count($senderData) > 0) {
+ // Make sure the element 'private_key_hash' is there
+ /* NOISY-DEBUG */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: senderData=' . print_r($senderData, TRUE));
+ assert(isset($senderData[NodeDistributedHashTableDatabaseWrapper::DB_COLUMN_PRIVATE_KEY_HASH]));
+
+ // Return it
+ return $senderData[NodeDistributedHashTableDatabaseWrapper::DB_COLUMN_PRIVATE_KEY_HASH];
+ } // END - if
+
+ // Make sure the requested element is there
+ assert(isset($decodedData[self::INDEX_PACKAGE_HASH]));
+
+ // There is no DHT entry so, accept the hash from decoded data
+ return $decodedData[self::INDEX_PACKAGE_HASH];
+ }
+
/**
* "Getter" for hash from given content
*
*/
private function changePackageStatus (array $packageData, $stackerName, $newStatus) {
// Skip this for empty stacks
- if ($this->getStackerInstance()->isStackEmpty($stackerName)) {
+ if ($this->getStackInstance()->isStackEmpty($stackerName)) {
// This avoids an exception after all packages has failed
return;
} // END - if
// Pop the entry (it should be it)
- $nextData = $this->getStackerInstance()->popNamed($stackerName);
+ $nextData = $this->getStackInstance()->popNamed($stackerName);
- // Compare both signatures
- assert($nextData[self::PACKAGE_DATA_SIGNATURE] == $packageData[self::PACKAGE_DATA_SIGNATURE]);
+ // Compare both hashes
+ assert($nextData[self::PACKAGE_DATA_HASH] == $packageData[self::PACKAGE_DATA_HASH]);
// Temporary set the new status
$packageData[self::PACKAGE_DATA_STATUS] = $newStatus;
// And push it again
- $this->getStackerInstance()->pushNamed($stackerName, $packageData);
+ $this->getStackInstance()->pushNamed($stackerName, $packageData);
}
/**
// Now get an iterator
$iteratorInstance = $discoveryInstance->getIterator();
+ // Make sure the iterator instance is valid
+ assert($iteratorInstance instanceof Iterator);
+
// Rewind back to the beginning
$iteratorInstance->rewind();
$currentRecipient = $iteratorInstance->current();
// Debug message
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Setting recipient to ' . $currentRecipient . ',previous=' . $packageData[self::PACKAGE_DATA_RECIPIENT]);
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Setting recipient to ' . $currentRecipient . ',previous=' . $packageData[self::PACKAGE_DATA_RECIPIENT]);
// Set the recipient
$packageData[self::PACKAGE_DATA_RECIPIENT] = $currentRecipient;
// Push the declared package to the next stack.
- $this->getStackerInstance()->pushNamed(self::STACKER_NAME_DECLARED, $packageData);
+ $this->getStackInstance()->pushNamed(self::STACKER_NAME_DECLARED, $packageData);
// Debug message
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Package declared for recipient ' . $currentRecipient);
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Package declared for recipient ' . $currentRecipient);
// Skip to next entry
$iteratorInstance->next();
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: stateInstance=' . $helperInstance->getStateInstance());
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Reached line ' . __LINE__ . ' before isSocketRegistered() has been called.');
- // Is it not there?
- if ((is_resource($socketResource)) && (!$registryInstance->isSocketRegistered($helperInstance, $socketResource))) {
- // The socket needs to be put in a special registry that can handle such data
- $registryInstance = SocketRegistryFactory::createSocketRegistryInstance();
+ // The socket needs to be put in a special registry that can handle such data
+ $registryInstance = SocketRegistryFactory::createSocketRegistryInstance();
- // Get the connection helper from registry
- $helperInstance = Registry::getRegistry()->getInstance('connection');
+ // Get the connection helper from registry
+ $helperInstance = Registry::getRegistry()->getInstance('connection');
- // And make sure it is valid
- assert($helperInstance instanceof ConnectionHelper);
+ // And make sure it is valid
+ assert($helperInstance instanceof ConnectionHelper);
+ // Get connection info class
+ $infoInstance = ConnectionInfoFactory::createConnectionInfoInstance($helperInstance->getProtocolName(), 'helper');
+
+ // Will the info instance with connection helper data
+ $infoInstance->fillWithConnectionHelperInformation($helperInstance);
+
+ // Is it not there?
+ if ((is_resource($socketResource)) && (!$registryInstance->isSocketRegistered($infoInstance, $socketResource))) {
// Debug message
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Registering socket ' . $socketResource . ' ...');
// Then register it
- $registryInstance->registerSocket($helperInstance, $socketResource, $packageData);
+ $registryInstance->registerSocket($infoInstance, $socketResource, $packageData);
} elseif (!$helperInstance->getStateInstance()->isPeerStateConnected()) {
// Is not connected, then we cannot send
self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Unexpected peer state ' . $helperInstance->getStateInstance()->__toString() . ' detected.');
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Reached line ' . __LINE__ . ' after validatePeerStateConnected() has been called.');
// Enqueue it again on the out-going queue, the connection is up and working at this point
- $this->getStackerInstance()->pushNamed(self::STACKER_NAME_OUTGOING, $packageData);
+ $this->getStackInstance()->pushNamed(self::STACKER_NAME_OUTGOING, $packageData);
// Debug message
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Reached line ' . __LINE__ . ' after pushNamed() has been called.');
$sentBytes = 0;
// Get the right connection instance
- $helperInstance = SocketRegistryFactory::createSocketRegistryInstance()->getHandlerInstanceFromPackageData($packageData);
+ $infoInstance = SocketRegistryFactory::createSocketRegistryInstance()->getInfoInstanceFromPackageData($packageData);
+
+ // Test helper instance
+ assert($infoInstance instanceof ShareableInfo);
+
+ // Get helper instance
+ $helperInstance = $infoInstance->getHelperInstance();
+
+ // Some sanity-checks on the object
+ //* DEBUG-DIE: */ die('[' . __METHOD__ . ':' . __LINE__ . ']: p1=' . $infoInstance->getProtocolName() . ',p2=' . $helperInstance->getProtocolName() . ',infoInstance=' . print_r($infoInstance, TRUE));
+ assert($helperInstance instanceof ConnectionHelper);
+ assert($infoInstance->getProtocolName() == $helperInstance->getProtocolName());
// Is this connection still alive?
if ($helperInstance->isShuttedDown()) {
} // END - if
// Sent out package data
- $sentBytes = $helperInstance->sendRawPackageData($packageData);
-
- // Remember unsent raw bytes in back-buffer, if any
- $this->storeUnsentBytesInBackBuffer($packageData, $sentBytes);
+ $helperInstance->sendRawPackageData($packageData);
}
/**
- * Generates a signature for given raw package content and sender id
+ * Generates a secure hash for given raw package content and sender id
*
* @param $content Raw package data
- * @param $senderId Sender id to generate a signature for
- * @return $signature Signature as BASE64-encoded string
- */
- private function generatePackageSignature ($content, $senderId) {
- // Hash content and sender id together, use md5() as last algo
- $hash = md5($this->getCryptoInstance()->hashString($senderId . $content, $this->getPrivateKey(), FALSE));
-
- // Encrypt the content again with the hash as a key
- $encryptedContent = $this->getCryptoInstance()->encryptString($content, $hash);
-
- // Encode it with BASE64
- $signature = base64_encode($encryptedContent);
+ * @param $senderId Sender id to generate a hash for
+ * @return $hash Hash as hex-encoded string
+ */
+ private function generatePackageHash ($content, $senderId) {
+ // Fake array
+ $data = array(
+ self::INDEX_PACKAGE_SENDER => $senderId,
+ self::INDEX_PACKAGE_CONTENT => $content,
+ self::INDEX_PACKAGE_HASH => ''
+ );
+
+ // Hash content and sender id together, use scrypt
+ $hash = Scrypt::hashScrypt($senderId . ':' . $content . ':' . $this->determineSenderPrivateKeyHash($data));
// Return it
- return $signature;
+ return $hash;
}
/**
- * Checks whether the signature of given package data is 'valid', here that
+ * Checks whether the hash of given package data is 'valid', here that
* means it is the same or not.
*
* @param $decodedArray An array with 'decoded' (explode() was mostly called) data
- * @return $isSignatureValid Whether the signature is valid
- * @todo Unfinished area, signatures are currently NOT fully supported
+ * @return $isHashValid Whether the hash is valid
+ * @todo Unfinished area, hashes are currently NOT fully supported
*/
- private function isPackageSignatureValid (array $decodedArray) {
- // Generate the signature of comparing it
- $signature = $this->generatePackageSignature($decodedArray[self::INDEX_PACKAGE_CONTENT], $decodedArray[self::INDEX_PACKAGE_SENDER]);
+ private function isPackageHashValid (array $decodedArray) {
+ // Check validity
+ $isHashValid = Scrypt::checkScrypt($decodedArray[self::INDEX_PACKAGE_SENDER] . ':' . $decodedArray[self::INDEX_PACKAGE_CONTENT] . ':' . $this->determineSenderPrivateKeyHash($decodedArray));
- // Is it the same?
- //$isSignatureValid =
- exit(__METHOD__.': signature='.$signature.chr(10).',decodedArray='.print_r($decodedArray, TRUE));
+ // Return it
+ //* DEBUG-DIE: */ die(__METHOD__ . ': isHashValid=' . intval($isHashValid) . chr(10) . ',decodedArray=' . print_r($decodedArray, TRUE));
+ return $isHashValid;
}
/**
* from given helper's template instance and pushing it on the 'undeclared'
* stack.
*
- * @param $helperInstance An instance of a Helper class
- * @param $protocol Name of used protocol (TCP/UDP)
+ * @param $helperInstance An instance of a HubHelper class
* @return void
*/
- public function enqueueRawDataFromTemplate (Helper $helperInstance, $protocolName) {
+ public function enqueueRawDataFromTemplate (HubHelper $helperInstance) {
+ // Debug message
+ //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ': CALLED!');
+
// Get the raw content ...
$content = $helperInstance->getTemplateInstance()->getRawTemplateData();
//* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('content(' . strlen($content) . ')=' . $content);
$this->getHashFromContent($content)
);
+ // Debug message
+ //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ': Enqueueing package for recipientType=' . $helperInstance->getRecipientType() . ' ...');
+
// Now prepare the temporary array and push it on the 'undeclared' stack
- $this->getStackerInstance()->pushNamed(self::STACKER_NAME_UNDECLARED, array(
+ $this->getStackInstance()->pushNamed(self::STACKER_NAME_UNDECLARED, array(
self::PACKAGE_DATA_SENDER => $this->getSessionId(),
self::PACKAGE_DATA_RECIPIENT => $helperInstance->getRecipientType(),
- self::PACKAGE_DATA_PROTOCOL => $protocolName,
self::PACKAGE_DATA_CONTENT => $packageContent,
self::PACKAGE_DATA_STATUS => self::PACKAGE_STATUS_NEW,
- self::PACKAGE_DATA_SIGNATURE => $this->generatePackageSignature($packageContent, $this->getSessionId())
+ self::PACKAGE_DATA_HASH => $this->generatePackageHash($packageContent, $this->getSessionId())
));
+
+ // Debug message
+ //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ': EXIT!');
}
/**
*/
public function isPackageEnqueued () {
// Check whether the stacker is not empty
- $isEnqueued = (($this->getStackerInstance()->isStackInitialized(self::STACKER_NAME_UNDECLARED)) && (!$this->getStackerInstance()->isStackEmpty(self::STACKER_NAME_UNDECLARED)));
+ $isEnqueued = (($this->getStackInstance()->isStackInitialized(self::STACKER_NAME_UNDECLARED)) && (!$this->getStackInstance()->isStackEmpty(self::STACKER_NAME_UNDECLARED)));
// Return the result
return $isEnqueued;
*/
public function isPackageDeclared () {
// Check whether the stacker is not empty
- $isDeclared = (($this->getStackerInstance()->isStackInitialized(self::STACKER_NAME_DECLARED)) && (!$this->getStackerInstance()->isStackEmpty(self::STACKER_NAME_DECLARED)));
+ $isDeclared = (($this->getStackInstance()->isStackInitialized(self::STACKER_NAME_DECLARED)) && (!$this->getStackInstance()->isStackEmpty(self::STACKER_NAME_DECLARED)));
// Return the result
return $isDeclared;
*/
public function isPackageWaitingForDelivery () {
// Check whether the stacker is not empty
- $isWaitingDelivery = (($this->getStackerInstance()->isStackInitialized(self::STACKER_NAME_OUTGOING)) && (!$this->getStackerInstance()->isStackEmpty(self::STACKER_NAME_OUTGOING)));
+ $isWaitingDelivery = (($this->getStackInstance()->isStackInitialized(self::STACKER_NAME_OUTGOING)) && (!$this->getStackInstance()->isStackEmpty(self::STACKER_NAME_OUTGOING)));
// Return the result
return $isWaitingDelivery;
}
+ /**
+ * Checks whether encoded (raw) data is pending
+ *
+ * @return $isPending Whether encoded data is pending
+ */
+ public function isEncodedDataPending () {
+ // Check whether the stacker is not empty
+ $isPending = (($this->getStackInstance()->isStackInitialized(self::STACKER_NAME_OUTGOING_STREAM)) && (!$this->getStackInstance()->isStackEmpty(self::STACKER_NAME_OUTGOING_STREAM)));
+
+ // Return the result
+ return $isPending;
+ }
+
/**
* Delivers an enqueued package to the stated destination. If a non-session
* id is provided, recipient resolver is being asked (and instanced once).
* @throws NoTargetException If no target can't be determined
*/
public function declareEnqueuedPackage () {
+ // Debug message
+ //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ': CALLED!');
+
// Make sure this method isn't working if there is no package enqueued
if (!$this->isPackageEnqueued()) {
// This is not fatal but should be avoided
* Now there are for sure packages to deliver, so start with the first
* one.
*/
- $packageData = $this->getStackerInstance()->popNamed(self::STACKER_NAME_UNDECLARED);
+ $packageData = $this->getStackInstance()->popNamed(self::STACKER_NAME_UNDECLARED);
// Declare the raw package data for delivery
$this->declareRawPackageData($packageData);
+
+ // Debug message
+ //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ': EXIT!');
}
/**
* @return void
*/
public function processDeclaredPackage () {
+ // Debug message
+ //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ': CALLED!');
+
// Sanity check if we have packages declared
if (!$this->isPackageDeclared()) {
// This is not fatal but should be avoided
} // END - if
// Get the package
- $packageData = $this->getStackerInstance()->getNamed(self::STACKER_NAME_DECLARED);
+ $packageData = $this->getStackInstance()->getNamed(self::STACKER_NAME_DECLARED);
// Assert on it
assert(isset($packageData[self::PACKAGE_DATA_RECIPIENT]));
$this->deliverRawPackageData($packageData);
// And remove it finally
- $this->getStackerInstance()->popNamed(self::STACKER_NAME_DECLARED);
+ $this->getStackInstance()->popNamed(self::STACKER_NAME_DECLARED);
} catch (InvalidStateException $e) {
// The state is not excepected (shall be 'connected')
self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Caught ' . $e->__toString() . ',message=' . $e->getMessage());
// Mark the package with status failed
$this->changePackageStatus($packageData, self::STACKER_NAME_DECLARED, self::PACKAGE_STATUS_FAILED);
}
+
+ // Debug message
+ //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ': EXIT!');
}
/**
* @return void
*/
public function sendWaitingPackage () {
- // Send any waiting bytes in the back-buffer before sending a new package
- $this->sendBackBufferBytes();
+ // Debug message
+ //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ': CALLED!');
// Sanity check if we have packages waiting for delivery
if (!$this->isPackageWaitingForDelivery()) {
} // END - if
// Get the package
- $packageData = $this->getStackerInstance()->getNamed(self::STACKER_NAME_OUTGOING);
+ $packageData = $this->getStackInstance()->getNamed(self::STACKER_NAME_OUTGOING);
try {
// Now try to send it
$this->sendOutgoingRawPackageData($packageData);
// And remove it finally
- $this->getStackerInstance()->popNamed(self::STACKER_NAME_OUTGOING);
+ $this->getStackInstance()->popNamed(self::STACKER_NAME_OUTGOING);
} catch (InvalidSocketException $e) {
// Output exception message
self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Package was not delivered: ' . $e->getMessage());
// Mark package as failed
$this->changePackageStatus($packageData, self::STACKER_NAME_OUTGOING, self::PACKAGE_STATUS_FAILED);
}
+
+ // Debug message
+ //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ': EXIT!');
+ }
+
+ /**
+ * Sends out encoded data to a socket
+ *
+ * @return void
+ */
+ public function sendEncodedData () {
+ // Debug message
+ //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ': CALLED!');
+
+ // Make sure there is pending encoded data
+ assert($this->isEncodedDataPending());
+
+ // Pop current data from stack
+ $encodedDataArray = $this->getStackInstance()->popNamed(self::STACKER_NAME_OUTGOING_STREAM);
+
+ // Init in this round sent bytes
+ $sentBytes = 0;
+
+ // Assert on socket
+ assert(is_resource($encodedDataArray[self::RAW_SOCKET_INDEX]));
+
+ // And deliver it
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('CONNECTION-HELPER[' . __METHOD__ . ':' . __LINE__ . ']: Sending out ' . strlen($encodedDataArray[self::RAW_ENCODED_DATA_INDEX]) . ' bytes,rawBufferSize=' . $encodedDataArray[self::RAW_BUFFER_SIZE_INDEX] . ',diff=' . $encodedDataArray[self::RAW_DIFF_INDEX]);
+ if ($encodedDataArray[self::RAW_DIFF_INDEX] >= 0) {
+ // Send all out (encodedData is smaller than or equal buffer size)
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('CONNECTION-HELPER[' . __METHOD__ . ':' . __LINE__ . ']: MD5=' . md5(substr($encodedDataArray[self::RAW_ENCODED_DATA_INDEX], 0, ($encodedDataArray[self::RAW_BUFFER_SIZE_INDEX] - $encodedDataArray[self::RAW_DIFF_INDEX]))));
+ $sentBytes = @socket_write($encodedDataArray[self::RAW_SOCKET_INDEX], $encodedDataArray[self::RAW_ENCODED_DATA_INDEX], ($encodedDataArray[self::RAW_BUFFER_SIZE_INDEX] - $encodedDataArray[self::RAW_DIFF_INDEX]));
+ } else {
+ // Send buffer size out
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('CONNECTION-HELPER[' . __METHOD__ . ':' . __LINE__ . ']: MD5=' . md5(substr($encodedDataArray[self::RAW_ENCODED_DATA_INDEX], 0, $encodedDataArray[self::RAW_BUFFER_SIZE_INDEX])));
+ $sentBytes = @socket_write($encodedDataArray[self::RAW_SOCKET_INDEX], $encodedDataArray[self::RAW_ENCODED_DATA_INDEX], $encodedDataArray[self::RAW_BUFFER_SIZE_INDEX]);
+ }
+
+ // If there was an error, we don't continue here
+ if ($sentBytes === FALSE) {
+ // Handle the error with a faked recipientData array
+ $this->handleSocketError(__METHOD__, __LINE__, $encodedDataArray[self::RAW_SOCKET_INDEX], array('0.0.0.0', '0'));
+
+ // And throw it
+ throw new InvalidSocketException(array($this, $encodedDataArray[self::RAW_SOCKET_INDEX], $socketError, $errorMessage), BaseListener::EXCEPTION_INVALID_SOCKET);
+ } elseif (($sentBytes === 0) && (strlen($encodedDataArray[self::RAW_ENCODED_DATA_INDEX]) > 0)) {
+ // Nothing sent means we are done
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('CONNECTION-HELPER[' . __METHOD__ . ':' . __LINE__ . ']: All sent! (LINE=' . __LINE__ . ')');
+ return;
+ } else {
+ // The difference between sent bytes and length of raw data should not go below zero
+ assert((strlen($encodedDataArray[self::RAW_ENCODED_DATA_INDEX]) - $sentBytes) >= 0);
+
+ // Add total sent bytes
+ $encodedDataArray[self::RAW_SENT_BYTES_INDEX] += $sentBytes;
+
+ // Cut out the last unsent bytes
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('CONNECTION-HELPER[' . __METHOD__ . ':' . __LINE__ . ']: Sent out ' . $sentBytes . ' of ' . strlen($encodedDataArray[self::RAW_ENCODED_DATA_INDEX]) . ' bytes ...');
+ $encodedDataArray[self::RAW_ENCODED_DATA_INDEX] = substr($encodedDataArray[self::RAW_ENCODED_DATA_INDEX], $sentBytes);
+
+ // Calculate difference again
+ $encodedDataArray[self::RAW_DIFF_INDEX] = $encodedDataArray[self::RAW_BUFFER_SIZE_INDEX] - strlen($encodedDataArray[self::RAW_ENCODED_DATA_INDEX]);
+
+ // Can we abort?
+ if (strlen($encodedDataArray[self::RAW_ENCODED_DATA_INDEX]) <= 0) {
+ // Abort here, all sent!
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('CONNECTION-HELPER[' . __METHOD__ . ':' . __LINE__ . ']: All sent! (LINE=' . __LINE__ . ')');
+ return;
+ } // END - if
+ }
+
+ // Push array back in stack
+ $this->getStackInstance()->pushNamed(self::STACKER_NAME_OUTGOING_STREAM, $encodedDataArray);
+
+ // Debug message
+ //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ': EXIT!');
}
///////////////////////////////////////////////////////////////////////////
*/
private function isRawDataPending () {
// Just return whether the stack is not empty
- $isPending = (!$this->getStackerInstance()->isStackEmpty(self::STACKER_NAME_DECODED_INCOMING));
+ $isPending = (!$this->getStackInstance()->isStackEmpty(self::STACKER_NAME_DECODED_INCOMING));
// Return the status
return $isPending;
/**
* Checks whether new raw package data has arrived at a socket
*
- * @param $poolInstance An instance of a PoolableListener class
* @return $hasArrived Whether new raw package data has arrived for processing
*/
- public function isNewRawDataPending (PoolableListener $poolInstance) {
+ public function isNewRawDataPending () {
// Visit the pool. This monitors the pool for incoming raw data.
- $poolInstance->accept($this->getVisitorInstance());
+ $this->getListenerPoolInstance()->accept($this->getVisitorInstance());
// Check for new data arrival
$hasArrived = $this->isRawDataPending();
} // END - if
// Very noisy debug message:
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Stacker size is ' . $this->getStackerInstance()->getStackCount(self::STACKER_NAME_DECODED_INCOMING) . ' entries.');
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Stacker size is ' . $this->getStackInstance()->getStackCount(self::STACKER_NAME_DECODED_INCOMING) . ' entries.');
// "Pop" the next entry (the same array again) from the stack
- $decodedData = $this->getStackerInstance()->popNamed(self::STACKER_NAME_DECODED_INCOMING);
+ $decodedData = $this->getStackInstance()->popNamed(self::STACKER_NAME_DECODED_INCOMING);
// Make sure both array elements are there
assert(
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: errorCode=' . $decodedData[BaseRawDataHandler::PACKAGE_ERROR_CODE] . '(' . BaseRawDataHandler::SOCKET_ERROR_UNHANDLED . ')');
assert($decodedData[BaseRawDataHandler::PACKAGE_ERROR_CODE] == BaseRawDataHandler::SOCKET_ERROR_UNHANDLED);
- // Remove the last chunk SEPARATOR (because it is being added and we don't need it)
+ // Remove the last chunk SEPARATOR (because there is no need for it)
if (substr($decodedData[BaseRawDataHandler::PACKAGE_RAW_DATA], -1, 1) == PackageFragmenter::CHUNK_SEPARATOR) {
// It is there and should be removed
$decodedData[BaseRawDataHandler::PACKAGE_RAW_DATA] = substr($decodedData[BaseRawDataHandler::PACKAGE_RAW_DATA], 0, -1);
// This package is "handled" and can be pushed on the next stack
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Pushing ' . strlen($decodedData[BaseRawDataHandler::PACKAGE_RAW_DATA]) . ' bytes to stack ' . self::STACKER_NAME_DECODED_HANDLED . ' ...');
- $this->getStackerInstance()->pushNamed(self::STACKER_NAME_DECODED_HANDLED, $decodedData);
+ $this->getStackInstance()->pushNamed(self::STACKER_NAME_DECODED_HANDLED, $decodedData);
}
/**
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: decodedData[' . gettype($decodedData) . ']=' . print_r($decodedData, TRUE));
// And push it on our stack
- $this->getStackerInstance()->pushNamed(self::STACKER_NAME_DECODED_INCOMING, $decodedData);
+ $this->getStackInstance()->pushNamed(self::STACKER_NAME_DECODED_INCOMING, $decodedData);
}
/**
*/
public function isIncomingRawDataHandled () {
// Determine if the stack is not empty
- $isHandled = (!$this->getStackerInstance()->isStackEmpty(self::STACKER_NAME_DECODED_HANDLED));
+ $isHandled = (!$this->getStackInstance()->isStackEmpty(self::STACKER_NAME_DECODED_HANDLED));
// Return it
return $isHandled;
return $isHandled;
}
+ /**
+ * Checks whether the assembler has multiple packages pending
+ *
+ * @return $isPending Whether the assembler has multiple packages pending
+ */
+ public function ifMultipleMessagesPending () {
+ // Determine if the stack is not empty
+ $isPending = ($this->getAssemblerInstance()->ifMultipleMessagesPending());
+
+ // Return it
+ return $isPending;
+ }
+
/**
* Handles the attached assemler's pending data queue to be finally
* assembled to the raw package data back.
$this->getAssemblerInstance()->handlePendingData();
}
+ /**
+ * Handles multiple messages.
+ *
+ * @return void
+ */
+ public function handleMultipleMessages () {
+ // Handle it
+ $this->getAssemblerInstance()->handleMultipleMessages();
+ }
+
/**
* Assembles incoming decoded data so it will become an abstract network
* package again. The assembler does later do it's job by an other task,
assert($this->isIncomingRawDataHandled());
// Get current package content (an array with two elements; see handleIncomingDecodedData() for details)
- $packageContent = $this->getStackerInstance()->getNamed(self::STACKER_NAME_DECODED_HANDLED);
+ $packageContent = $this->getStackInstance()->getNamed(self::STACKER_NAME_DECODED_HANDLED);
// Assert on some elements
assert(
$this->getAssemblerInstance()->chunkPackageContent($packageContent);
// Remove the package from 'handled_decoded' stack ...
- $this->getStackerInstance()->popNamed(self::STACKER_NAME_DECODED_HANDLED);
+ $this->getStackInstance()->popNamed(self::STACKER_NAME_DECODED_HANDLED);
// ... and push it on the 'chunked' stacker
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: Pushing ' . strlen($packageContent[BaseRawDataHandler::PACKAGE_RAW_DATA]) . ' bytes on stack ' . self::STACKER_NAME_DECODED_CHUNKED . ',packageContent=' . print_r($packageContent, TRUE));
- $this->getStackerInstance()->pushNamed(self::STACKER_NAME_DECODED_CHUNKED, $packageContent);
+ $this->getStackInstance()->pushNamed(self::STACKER_NAME_DECODED_CHUNKED, $packageContent);
}
/**
*/
public function accept (Visitor $visitorInstance) {
// Debug message
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: ' . $visitorInstance->__toString() . ' has visited - START');
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: ' . $visitorInstance->__toString() . ' has visited - CALLED!');
// Visit the package
$visitorInstance->visitNetworkPackage($this);
+ // Then visit the assembler to handle multiple packages
+ $this->getAssemblerInstance()->accept($visitorInstance);
+
// Debug message
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: ' . $visitorInstance->__toString() . ' has visited - FINISHED');
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NETWORK-PACKAGE[' . __METHOD__ . ':' . __LINE__ . ']: ' . $visitorInstance->__toString() . ' has visited - EXIT!');
}
/**
*/
public function removeFirstFailedPackage () {
// Get the package again
- $packageData = $this->getStackerInstance()->getNamed(self::STACKER_NAME_DECLARED);
+ $packageData = $this->getStackInstance()->getNamed(self::STACKER_NAME_DECLARED);
// Is the package status 'failed'?
if ($packageData[self::PACKAGE_DATA_STATUS] != self::PACKAGE_STATUS_FAILED) {
} // END - if
// Remove this entry
- $this->getStackerInstance()->popNamed(self::STACKER_NAME_DECLARED);
+ $this->getStackInstance()->popNamed(self::STACKER_NAME_DECLARED);
}
/**
// Assert on count (should be always 3)
assert(count($decodedArray) == self::DECODED_DATA_ARRAY_SIZE);
- // Generate the signature of comparing it
- /*
- * @todo Unsupported feature of "signed" messages commented out
- if (!$this->isPackageSignatureValid($decodedArray)) {
+ // Generate the hash of comparing it
+ if (!$this->isPackageHashValid($decodedArray)) {
// Is not valid, so throw an exception here
- exit(__METHOD__ . ':INVALID SIG! UNDER CONSTRUCTION!' . chr(10));
+ exit(__METHOD__ . ':INVALID HASH! UNDER CONSTRUCTION!' . chr(10));
} // END - if
- */
/*
- * Create 'decodedData' array with all assoziative array elements,
- * except signature.
+ * Create 'decodedData' array with all assoziative array elements.
*/
$decodedData = array(
self::PACKAGE_DATA_SENDER => $decodedArray[self::INDEX_PACKAGE_SENDER],
self::PACKAGE_DATA_RECIPIENT => $decodedArray[self::INDEX_PACKAGE_RECIPIENT],
self::PACKAGE_DATA_CONTENT => $decodedArray[self::INDEX_PACKAGE_CONTENT],
- self::PACKAGE_DATA_STATUS => self::PACKAGE_STATUS_DECODED
+ self::PACKAGE_DATA_STATUS => self::PACKAGE_STATUS_DECODED,
+ self::PACKAGE_DATA_HASH => $decodedArray[self::INDEX_PACKAGE_HASH]
);
// And return it
// Tags as an indexed array for "tagging" the message
self::PACKAGE_CONTENT_TAGS => explode(self::PACKAGE_TAGS_SEPARATOR, $decodedContent[self::INDEX_TAGS]),
// Checksum of the _decoded_ data
- self::PACKAGE_CONTENT_CHECKSUM => $decodedContent[self::INDEX_CHECKSUM]
+ self::PACKAGE_CONTENT_CHECKSUM => $decodedContent[self::INDEX_CHECKSUM],
+ // Sender's id
+ self::PACKAGE_CONTENT_SENDER => $decodedData[self::PACKAGE_DATA_SENDER],
+ // Hash from decoded raw data
+ self::PACKAGE_CONTENT_HASH => $decodedData[self::PACKAGE_DATA_HASH]
);
// Is the checksum valid?
$decodedContent[self::PACKAGE_CONTENT_MESSAGE] = $this->getCompressorInstance()->decompressStream($decodedContent[self::PACKAGE_CONTENT_MESSAGE]);
// And push it on the next stack
- $this->getStackerInstance()->pushNamed(self::STACKER_NAME_NEW_MESSAGE, $decodedContent);
+ $this->getStackInstance()->pushNamed(self::STACKER_NAME_NEW_MESSAGE, $decodedContent);
}
/**
*/
public function isNewMessageArrived () {
// Determine if the stack is not empty
- $hasArrived = (!$this->getStackerInstance()->isStackEmpty(self::STACKER_NAME_NEW_MESSAGE));
+ $hasArrived = (!$this->getStackInstance()->isStackEmpty(self::STACKER_NAME_NEW_MESSAGE));
// Return it
return $hasArrived;
*/
public function handleNewlyArrivedMessage () {
// Get it from the stacker, it is the full array with the decoded message
- $decodedContent = $this->getStackerInstance()->popNamed(self::STACKER_NAME_NEW_MESSAGE);
+ $decodedContent = $this->getStackInstance()->popNamed(self::STACKER_NAME_NEW_MESSAGE);
// Now get a filter chain back from factory with given tags array
$chainInstance = PackageFilterChainFactory::createChainByTagsArray($decodedContent[self::PACKAGE_CONTENT_TAGS]);
* Process the message through all filters, note that all other
* elements from $decodedContent are no longer needed.
*/
- $chainInstance->processMessage($decodedContent[self::PACKAGE_CONTENT_MESSAGE], $this);
+ $chainInstance->processMessage($decodedContent, $this);
}
/**
*/
public function isProcessedMessagePending () {
// Check it
- $isPending = (!$this->getStackerInstance()->isStackEmpty(self::STACKER_NAME_PROCESSED_MESSAGE));
+ $isPending = (!$this->getStackInstance()->isStackEmpty(self::STACKER_NAME_PROCESSED_MESSAGE));
// Return it
return $isPending;
*/
public function handleProcessedMessage () {
// Get it from the stacker, it is the full array with the processed message
- $messageArray = $this->getStackerInstance()->popNamed(self::STACKER_NAME_PROCESSED_MESSAGE);
+ $messageArray = $this->getStackInstance()->popNamed(self::STACKER_NAME_PROCESSED_MESSAGE);
// Add type for later easier handling
$messageArray[self::MESSAGE_ARRAY_DATA][self::MESSAGE_ARRAY_TYPE] = $messageArray[self::MESSAGE_ARRAY_TYPE];
// Handle message data
$handlerInstance->handleMessageData($messageArray[self::MESSAGE_ARRAY_DATA], $this);
}
+
+ /**
+ * Feeds the hash and sender (as recipient for the 'sender' reward) to the
+ * miner's queue, unless the message is not a "reward claim" message as this
+ * leads to an endless loop. You may wish to run the miner to get some
+ * reward ("HubCoins") for "mining" this hash.
+ *
+ * @param $decodedDataArray Array with decoded message
+ * @return void
+ * @todo ~10% done?
+ */
+ public function feedHashToMiner (array $decodedDataArray) {
+ // Make sure the required elements are there
+ assert(isset($decodedDataArray[self::PACKAGE_CONTENT_SENDER]));
+ assert(isset($decodedDataArray[self::PACKAGE_CONTENT_HASH]));
+ assert(isset($decodedDataArray[self::PACKAGE_CONTENT_TAGS]));
+
+ // Resolve session id ('sender' is a session id) into node id
+ $nodeId = HubTools::resolveNodeIdBySessionId($decodedDataArray[self::PACKAGE_CONTENT_SENDER]);
+
+ // Is 'claim_reward' the message type?
+ if (in_array('claim_reward', $decodedDataArray[self::PACKAGE_CONTENT_TAGS])) {
+ /*
+ * Then don't feed this message to the miner as this causes and
+ * endless loop of mining.
+ */
+ return;
+ } // END - if
+
+ $this->partialStub('@TODO nodeId=' . $nodeId . ',decodedDataArray=' . print_r($decodedDataArray, TRUE));
+ }
}
// [EOF]
projects / hub.git / blobdiff