org.jdiameter.client.impl.app.sh.ShClientSessionImpl Maven / Gradle / Ivy
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/*
* TeleStax, Open Source Cloud Communications
* Copyright 2011-2016, TeleStax Inc. and individual contributors
* by the @authors tag.
*
* This program is free software: you can redistribute it and/or modify
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see
* If ShSession moves to ShSessionState.TERMINATED - it means that no further
* messages can be received via it and it should be discarded.
*
*
* @author Bartosz Baranowski
* @author Alexandre Mendonca
*/
public class ShClientSessionImpl extends ShSession implements ClientShSession, EventListener, NetworkReqListener {
private Logger logger = LoggerFactory.getLogger(ShClientSessionImpl.class);
// Session State Handling ---------------------------------------------------
protected Lock sendAndStateLock = new ReentrantLock();
// Factories and Listeners --------------------------------------------------
protected transient IShMessageFactory factory = null;
protected transient ClientShSessionListener listener;
protected IShClientSessionData sessionData;
public ShClientSessionImpl(IShClientSessionData sessionData, IShMessageFactory fct, ISessionFactory sf, ClientShSessionListener lst) {
super(sf, sessionData);
if (lst == null) {
throw new IllegalArgumentException("Listener can not be null");
}
if (fct.getApplicationId() < 0) {
throw new IllegalArgumentException("ApplicationId can not be less than zero");
}
this.listener = lst;
this.factory = fct;
this.sessionData = sessionData;
}
@Override
public Answer processRequest(Request request) {
RequestDelivery rd = new RequestDelivery();
rd.session = this;
rd.request = request;
super.scheduler.execute(rd);
return null;
}
@Override
@SuppressWarnings("unchecked")
public E getState(Class stateType) {
return null;
}
@Override
public boolean handleEvent(StateEvent event) throws InternalException, OverloadException {
try {
sendAndStateLock.lock();
Event localEvent = (Event) event;
// Do the delivery
switch ((Event.Type) localEvent.getType()) {
case RECEIVE_PUSH_NOTIFICATION_REQUEST:
listener.doPushNotificationRequestEvent(this, new PushNotificationRequestImpl( (Request) localEvent.getRequest().getMessage() ));
break;
case RECEIVE_PROFILE_UPDATE_ANSWER:
listener.doProfileUpdateAnswerEvent(this, (ProfileUpdateRequest) localEvent.getRequest(),
new ProfileUpdateAnswerImpl((Answer) localEvent.getAnswer().getMessage()));
break;
case RECEIVE_USER_DATA_ANSWER:
listener.doUserDataAnswerEvent(this, (UserDataRequest) localEvent.getRequest(), new UserDataAnswerImpl((Answer) localEvent.getAnswer().getMessage()));
break;
case RECEIVE_SUBSCRIBE_NOTIFICATIONS_ANSWER:
listener.doSubscribeNotificationsAnswerEvent(this, (SubscribeNotificationsRequest) localEvent.getRequest(),
new SubscribeNotificationsAnswerImpl((Answer) localEvent.getAnswer().getMessage()));
break;
case SEND_PROFILE_UPDATE_REQUEST:
case SEND_PUSH_NOTIFICATION_ANSWER:
case SEND_SUBSCRIBE_NOTIFICATIONS_REQUEST:
case SEND_USER_DATA_REQUEST:
Message m = null;
Object data = event.getData();
m = data instanceof AppEvent ? ((AppEvent) data).getMessage() : (Message) event.getData();
session.send(m, this);
break;
case TIMEOUT_EXPIRES:
// TODO Anything here?
break;
default:
logger.error("Wrong message type={} req={} ans={}", new Object[]{localEvent.getType(), localEvent.getRequest(), localEvent.getAnswer()});
}
}
catch (IllegalDiameterStateException idse) {
throw new InternalException(idse);
}
catch (RouteException re) {
throw new InternalException(re);
}
finally {
sendAndStateLock.unlock();
}
return true;
}
@Override
public void sendProfileUpdateRequest(ProfileUpdateRequest request)
throws InternalException, IllegalDiameterStateException, RouteException, OverloadException {
send(Event.Type.SEND_PROFILE_UPDATE_REQUEST, request, null);
}
@Override
public void sendPushNotificationAnswer(PushNotificationAnswer answer)
throws InternalException, IllegalDiameterStateException, RouteException, OverloadException {
send(Event.Type.SEND_PUSH_NOTIFICATION_ANSWER, null, answer);
}
@Override
public void sendSubscribeNotificationsRequest(SubscribeNotificationsRequest request)
throws InternalException, IllegalDiameterStateException, RouteException, OverloadException {
send(Event.Type.SEND_SUBSCRIBE_NOTIFICATIONS_REQUEST, request, null);
}
@Override
public void sendUserDataRequest(UserDataRequest request) throws InternalException, IllegalDiameterStateException, RouteException, OverloadException {
send(Event.Type.SEND_USER_DATA_REQUEST, request, null);
}
protected void send(Event.Type type, AppEvent request, AppEvent answer) throws InternalException {
try {
sendAndStateLock.lock();
if (type != null) {
handleEvent(new Event(type, request, answer));
}
}
catch (Exception e) {
throw new InternalException(e);
}
finally {
sendAndStateLock.unlock();
}
}
@Override
public void receivedSuccessMessage(Request request, Answer answer) {
AnswerDelivery rd = new AnswerDelivery();
rd.session = this;
rd.request = request;
rd.answer = answer;
super.scheduler.execute(rd);
}
@Override
public void timeoutExpired(Request request) {
try {
if (request.getApplicationId() == factory.getApplicationId()) {
if (request.getCommandCode() == ProfileUpdateRequest.code) {
handleEvent(new Event(Event.Type.TIMEOUT_EXPIRES, factory.createProfileUpdateRequest(request), null));
return;
}
else if (request.getCommandCode() == UserDataRequest.code) {
handleEvent(new Event(Event.Type.TIMEOUT_EXPIRES, factory.createUserDataRequest(request), null));
return;
}
else if (request.getCommandCode() == SubscribeNotificationsRequest.code) {
handleEvent(new Event(Event.Type.TIMEOUT_EXPIRES, factory.createSubscribeNotificationsRequest(request), null));
return;
}
}
}
catch (Exception e) {
logger.debug("Failed to process timeout message", e);
}
}
@Override
public void release() {
if (isValid()) {
try {
sendAndStateLock.lock();
super.release();
}
catch (Exception e) {
logger.debug("Failed to release session", e);
}
finally {
sendAndStateLock.unlock();
}
}
else {
logger.debug("Trying to release an already invalid session, with Session ID '{}'", getSessionId());
}
}
@Override
public boolean isStateless() {
return true;
}
/* (non-Javadoc)
* @see org.jdiameter.common.impl.app.AppSessionImpl#isReplicable()
*/
@Override
public boolean isReplicable() {
return true;
}
@Override
public void onTimer(String timerName) {
if (timerName.equals(IDLE_SESSION_TIMER_NAME)) {
checkIdleAppSession();
}
else {
logger.warn("Received an unknown timer '{}' for Session-ID '{}'", timerName, getSessionId());
}
}
private class RequestDelivery implements Runnable {
ClientShSession session;
Request request;
@Override
public void run() {
try {
if (request.getApplicationId() == factory.getApplicationId()) {
if (request.getCommandCode() == PushNotificationRequest.code) {
handleEvent(new Event(Event.Type.RECEIVE_PUSH_NOTIFICATION_REQUEST, factory.createPushNotificationRequest(request), null));
return;
}
}
listener.doOtherEvent(session, new AppRequestEventImpl(request), null);
}
catch (Exception e) {
logger.debug("Failed to process request {}", request, e);
}
}
}
private class AnswerDelivery implements Runnable {
ClientShSession session;
Answer answer;
Request request;
@Override
public void run() {
try {
sendAndStateLock.lock();
if (request.getApplicationId() == factory.getApplicationId()) {
if (request.getCommandCode() == ProfileUpdateRequest.code) {
handleEvent(
new Event(Event.Type.RECEIVE_PROFILE_UPDATE_ANSWER, factory.createProfileUpdateRequest(request), factory.createProfileUpdateAnswer(answer)));
return;
}
else if (request.getCommandCode() == UserDataRequest.code) {
handleEvent(new Event(Event.Type.RECEIVE_USER_DATA_ANSWER, factory.createUserDataRequest(request), factory.createUserDataAnswer(answer)));
return;
}
else if (request.getCommandCode() == SubscribeNotificationsRequest.code) {
handleEvent(new Event(Event.Type.RECEIVE_SUBSCRIBE_NOTIFICATIONS_ANSWER, factory.createSubscribeNotificationsRequest(request), factory
.createSubscribeNotificationsAnswer(answer)));
return;
}
}
listener.doOtherEvent(session, new AppRequestEventImpl(request), new AppAnswerEventImpl(answer));
}
catch (Exception e) {
logger.debug("Failed to process success message", e);
}
finally {
sendAndStateLock.unlock();
}
}
}
}
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