/** * This method read for new messages pending to send on the data base in the table <code> * outbox_messages</code> and encrypt the message content, sing the message and send it */ public void processMessageToSend() { try { try { Map<String, Object> filters = new HashMap<>(); filters.put( CommunicationNetworkServiceDatabaseConstants.OUTGOING_MESSAGES_STATUS_COLUMN_NAME, MessagesStatus.PENDING_TO_SEND.getCode()); filters.put( CommunicationNetworkServiceDatabaseConstants.OUTGOING_MESSAGES_RECEIVER_ID_COLUMN_NAME, communicationsVPNConnection.getRemoteParticipant().getIdentityPublicKey()); /* * Read all pending message from database */ List<FermatMessage> messages = outgoingMessageDao.findAll(filters); /* * For each message */ for (FermatMessage message : messages) { if (communicationsVPNConnection.isActive() && (message.getFermatMessagesStatus() != FermatMessagesStatus.SENT)) { /* * Encrypt the content of the message whit the remote network service public key */ ((FermatMessageCommunication) message) .setContent( AsymmetricCryptography.encryptMessagePublicKey( message.getContent(), communicationsVPNConnection .getRemoteParticipantNetworkService() .getIdentityPublicKey())); /* * Sing the message */ String signature = AsymmetricCryptography.createMessageSignature( message.getContent(), eccKeyPair.getPrivateKey()); ((FermatMessageCommunication) message).setSignature(signature); /* * Send the message */ communicationsVPNConnection.sendMessage(message); /* * Change the message and update in the data base */ ((FermatMessageCommunication) message) .setFermatMessagesStatus(FermatMessagesStatus.SENT); outgoingMessageDao.update(message); /* * Put the message on a event and fire new event */ FermatEvent fermatEvent = eventManager.getNewEvent( P2pEventType.NEW_NETWORK_SERVICE_MESSAGE_SENT_NOTIFICATION); fermatEvent.setSource(AssetIssuerActorNetworkServicePluginRoot.EVENT_SOURCE); ((NewNetworkServiceMessageSentNotificationEvent) fermatEvent).setData(message); eventManager.raiseEvent(fermatEvent); } } } catch (CantUpdateRecordDataBaseException e) { errorManager.reportUnexpectedPluginException( Plugins.BITDUBAI_DAP_ASSET_ISSUER_ACTOR_NETWORK_SERVICE, UnexpectedPluginExceptionSeverity.DISABLES_SOME_FUNCTIONALITY_WITHIN_THIS_PLUGIN, new Exception("Can not process messages to send. Error reason: " + e.getMessage())); } catch (CantReadRecordDataBaseException e) { errorManager.reportUnexpectedPluginException( Plugins.BITDUBAI_DAP_ASSET_ISSUER_ACTOR_NETWORK_SERVICE, UnexpectedPluginExceptionSeverity.DISABLES_SOME_FUNCTIONALITY_WITHIN_THIS_PLUGIN, new Exception("Can not process messages to send. Error reason: " + e.getMessage())); } // Sleep for a time toSend.sleep(CommunicationNetworkServiceRemoteAgent.SLEEP_TIME); } catch (InterruptedException e) { errorManager.reportUnexpectedPluginException( Plugins.BITDUBAI_DAP_ASSET_ISSUER_ACTOR_NETWORK_SERVICE, UnexpectedPluginExceptionSeverity.DISABLES_SOME_FUNCTIONALITY_WITHIN_THIS_PLUGIN, new Exception("Can not sleep")); } }