/**
* @param record with values from the table
* @return FermatMessage setters the values from table
*/
private FermatMessage constructFrom(DatabaseTableRecord record) {
FermatMessageCommunication incomingTemplateNetworkServiceMessage =
new FermatMessageCommunication();
try {
incomingTemplateNetworkServiceMessage.setId(
UUID.fromString(
record.getStringValue(
CommunicationNetworkServiceDatabaseConstants.INCOMING_MESSAGES_ID_COLUMN_NAME)));
incomingTemplateNetworkServiceMessage.setSender(
record.getStringValue(
CommunicationNetworkServiceDatabaseConstants
.INCOMING_MESSAGES_SENDER_ID_COLUMN_NAME));
incomingTemplateNetworkServiceMessage.setReceiver(
record.getStringValue(
CommunicationNetworkServiceDatabaseConstants
.INCOMING_MESSAGES_RECEIVER_ID_COLUMN_NAME));
incomingTemplateNetworkServiceMessage.setContent(
record.getStringValue(
CommunicationNetworkServiceDatabaseConstants
.INCOMING_MESSAGES_TEXT_CONTENT_COLUMN_NAME));
incomingTemplateNetworkServiceMessage.setFermatMessageContentType(
(FermatMessageContentType.getByCode(
record.getStringValue(
CommunicationNetworkServiceDatabaseConstants
.INCOMING_MESSAGES_TYPE_COLUMN_NAME))));
incomingTemplateNetworkServiceMessage.setShippingTimestamp(
new Timestamp(
record.getLongValue(
CommunicationNetworkServiceDatabaseConstants
.INCOMING_MESSAGES_SHIPPING_TIMESTAMP_COLUMN_NAME)));
incomingTemplateNetworkServiceMessage.setDeliveryTimestamp(
new Timestamp(
record.getLongValue(
CommunicationNetworkServiceDatabaseConstants
.INCOMING_MESSAGES_DELIVERY_TIMESTAMP_COLUMN_NAME)));
incomingTemplateNetworkServiceMessage.setFermatMessagesStatus(
FermatMessagesStatus.getByCode(
record.getStringValue(
CommunicationNetworkServiceDatabaseConstants
.INCOMING_MESSAGES_STATUS_COLUMN_NAME)));
} catch (InvalidParameterException e) {
// TODO METODO CON RETURN NULL - OJO: solo INFORMATIVO de ayuda VISUAL para DEBUG - Eliminar
// si molesta
// this should not happen, but if it happens return null
e.printStackTrace();
return null;
}
return incomingTemplateNetworkServiceMessage;
}
/**
* 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"));
}
}
/**
* This method process the message received and save on the data base in the table <code>
* incoming_messages</code> and notify all observers to the new messages received
*/
private void processMessageReceived() {
try {
// System.out.println("CommunicationNetworkServiceRemoteAgent -
// communicationsVPNConnection.isActive() = "+communicationsVPNConnection.isActive());
/** Verified the status of the connection */
if (communicationsVPNConnection.isActive()) {
// System.out.println("CommunicationNetworkServiceRemoteAgent -
// communicationsVPNConnection.getUnreadMessagesCount() =
// "+communicationsVPNConnection.getUnreadMessagesCount());
/** process all pending messages */
for (int i = 0; i < communicationsVPNConnection.getUnreadMessagesCount(); i++) {
/*
* Read the next message in the queue
*/
FermatMessage message = communicationsVPNConnection.readNextMessage();
/*
* Validate the message signature
*/
AsymmetricCryptography.verifyMessageSignature(
message.getSignature(),
message.getContent(),
communicationsVPNConnection
.getRemoteParticipantNetworkService()
.getIdentityPublicKey());
/*
* Decrypt the message content
*/
((FermatMessageCommunication) message)
.setContent(
AsymmetricCryptography.decryptMessagePrivateKey(
message.getContent(), eccKeyPair.getPrivateKey()));
/*
* Change to the new status
*/
((FermatMessageCommunication) message)
.setFermatMessagesStatus(FermatMessagesStatus.NEW_RECEIVED);
/*
* Save to the data base table
*/
incomingMessageDao.create(message);
/*
* Remove the message from the queue
*/
communicationsVPNConnection.removeMessageRead(message);
/*
* Notify all observer of this agent that Received a new message
*/
setChanged();
notifyObservers(message);
}
}
// Sleep for a time
toReceive.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"));
} catch (CantInsertRecordDataBaseException e) {
errorManager.reportUnexpectedPluginException(
Plugins.BITDUBAI_DAP_ASSET_ISSUER_ACTOR_NETWORK_SERVICE,
UnexpectedPluginExceptionSeverity.DISABLES_SOME_FUNCTIONALITY_WITHIN_THIS_PLUGIN,
new Exception("Can not process message received. Error reason: " + e.getMessage()));
}
}