* 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 HubTools extends BaseFrameworkSystem {
+class HubTools extends BaseHubSystem {
// Constants for exceptions
const EXCEPTION_SESSION_ID_IS_INVALID = 0x200;
const EXCEPTION_HOSTNAME_NOT_FOUND = 0x201;
/**
* Self instance
*/
- private static $selfInstance = null;
+ private static $selfInstance = NULL;
/**
* Protected constructor
*
* @retuen $selfInstance An instance of this class
*/
- public static final function getInstance () {
+ public static final function getSelfInstance () {
// Is the instance set
if (is_null(self::$selfInstance)) {
// Then set it
// And ask it for the session id
$recipient = $wrapperInstance->resolveIpPortBySessionId($sessionId);
+ // Is the recipient invalid?
+ if ($recipient == 'invalid:invalid') {
+ // Get the instance, this might throw a NPE
+ $nodeInstance = Registry::getRegistry()->getInstance('node');
+
+ // Is the session id the same?
+ if ($nodeInstance->getSessionId() == $sessionId) {
+ // Then get the ip:port from it, assume TCP by default
+ $recipient = self::determineOwnExternalIp() . ':' . $nodeInstance->getConfigInstance()->getConfigEntry('node_tcp_listen_port');
+ } // END - if
+ } // END - if
+
// Return result
return $recipient;
}
+ /**
+ * Resolves a ip:port combination into a session id
+ *
+ * @param $ipPort Ip:port combination
+ * @return $sessionId Valid session id
+ */
+ public static function resolveSessionIdByIpPort ($ipPort) {
+ // Get a wrapper instance
+ $wrapperInstance = DatabaseWrapperFactory::createWrapperByConfiguredName('node_list_db_wrapper_class');
+
+ // And ask it for the session id
+ $sessionId = $wrapperInstance->resolveSessionIdByIpPort($ipPort);
+
+ // Return result
+ return $sessionId;
+ }
+
/**
* Resolves given session id into an ip:port combination, if ip:port is set, it won't be translated
*
*/
public static function resolveSessionId ($sessionId) {
// Get an own instance
- $selfInstance = self::getInstance();
+ $selfInstance = self::getSelfInstance();
// Default is direct ip:port
$recipient = $sessionId;
// Found in cache!
$recipient = $selfInstance->sessionIdCache[$sessionId];
- } elseif (preg_match('/([a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,6}/', $sessionId)) {
+
+ // Debug message
+ $selfInstance->debugOutput('HUB-TOOLS: sessionIdCache[' . $sessionId . ']=' . $recipient);
+ } elseif (preg_match('/([a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,6}:([0-9]{3,5})/', $sessionId)) {
+ // Hostname:port found
+ $selfInstance->debugOutput('HUB-TOOLS: hostname:port ' . $sessionId . ' detected.');
+
// Hostname:port found
$hostnameArray = explode(':', $sessionId);
// Try to resolve it and add port again
- // @TODO We may want to encapsulate this PHP call into an own class
+ // @TODO Please try to encapsulate this PHP call into an own class
$recipient = gethostbyname($hostnameArray[0]) . ':' . $hostnameArray[1];
// Is it valid?
// Resolving hostname->IP failed!
throw new NoValidHostnameException($hostnameArray, self::EXCEPTION_HOSTNAME_NOT_FOUND);
} // END - if
+
+ // Debug message
+ $selfInstance->debugOutput('HUB-TOOLS: hostname:port ' . $sessionId . ' resolved to ' . $recipient);
} elseif (preg_match('/([a-f0-9]{' . $selfInstance->getSessionIdLength() . '})/', $sessionId)) {
// Debug message
- $selfInstance->debugOutput('HUB-TOOLS: Using internal resolver.');
+ $selfInstance->debugOutput('HUB-TOOLS: Using internal session id resolver.');
// Resolve session id into a ip:port combination
$recipient = $selfInstance->resolveIpPortBySessionId($sessionId);
+
+ // Debug message
+ $selfInstance->debugOutput('HUB-TOOLS: session id ' . $sessionId . ' resolved to ' . $recipient);
} else {
// Invalid session id
throw new InvalidSessionIdException($sessionId, self::EXCEPTION_SESSION_ID_IS_INVALID);
}
- // Output message
- $selfInstance->debugOutput('HUB-TOOLS: Session id ' . $sessionId . ' resolved to ' . $recipient);
-
// Return it
return $recipient;
}
+
+ /**
+ * Determine IP or 'external_ip' if set
+ *
+ * @return $ip The determined external ip of this node
+ */
+ public static function determineOwnExternalIp () {
+ // Is the external_ip config entry set?
+ if (FrameworkConfiguration::getSelfInstance()->getConfigEntry('external_ip') != '') {
+ // Use it as external ip
+ $ip = FrameworkConfiguration::getSelfInstance()->getConfigEntry('external_ip');
+ } else {
+ // Determine own external ip by connecting to my (coder) server at 188.138.90.169
+ $ip = ConsoleTools::determineExternalIp();
+ }
+
+ // Return it
+ return $ip;
+ }
}
// [EOF]