org.jdiameter.server.impl.app.sh.ShServerSessionImpl Maven / Gradle / Ivy
The newest version!
/*
* 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 ShServerSessionImpl extends ShSession implements ServerShSession, EventListener, NetworkReqListener {
private Logger logger = LoggerFactory.getLogger(ShServerSessionImpl.class);
// Session State Handling ---------------------------------------------------
protected Lock sendAndStateLock = new ReentrantLock();
// Factories and Listeners --------------------------------------------------
protected transient IShMessageFactory factory = null;
protected transient ServerShSessionListener listener;
protected IShServerSessionData sessionData;
protected long appId;
public ShServerSessionImpl(IShServerSessionData sessionData, IShMessageFactory fct, ISessionFactory sf, ServerShSessionListener lst) {
super(sf, sessionData);
if (sessionData == null) {
throw new NullPointerException("SessionData must not be null");
}
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.sessionData = sessionData;
this.appId = fct.getApplicationId();
this.listener = lst;
this.factory = fct;
}
@Override
public void sendProfileUpdateAnswer(ProfileUpdateAnswer answer) throws InternalException, IllegalDiameterStateException, RouteException, OverloadException {
send(Event.Type.SEND_PROFILE_UPDATE_ANSWER, null, answer);
}
@Override
public void sendPushNotificationRequest(PushNotificationRequest request)
throws InternalException, IllegalDiameterStateException, RouteException, OverloadException {
send(Event.Type.SEND_PUSH_NOTIFICATION_REQUEST, request, null);
}
@Override
public void sendSubscribeNotificationsAnswer(SubscribeNotificationsAnswer answer)
throws InternalException, IllegalDiameterStateException, RouteException, OverloadException {
send(Event.Type.SEND_SUBSCRIBE_NOTIFICATIONS_ANSWER, null, answer);
}
@Override
public void sendUserDataAnswer(UserDataAnswer answer) throws InternalException, IllegalDiameterStateException, RouteException, OverloadException {
send(Event.Type.SEND_USER_DATA_ANSWER, null, answer);
}
@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 {
sendAndStateLock.lock();
if (request.getApplicationId() == appId) {
if (request.getCommandCode() == PushNotificationRequest.code) {
handleEvent(new Event(Event.Type.TIMEOUT_EXPIRES, factory.createPushNotificationRequest(request), null));
return;
}
}
}
catch (Exception e) {
logger.debug("Failed to process timeout message", e);
}
finally {
sendAndStateLock.unlock();
}
}
@Override
public Answer processRequest(Request request) {
RequestDelivery rd = new RequestDelivery();
rd.session = this;
rd.request = request;
super.scheduler.execute(rd);
return null;
}
@Override
public E getState(Class stateType) {
return null;
}
@Override
public boolean handleEvent(StateEvent event) throws InternalException, OverloadException {
try {
sendAndStateLock.lock();
Event localEvent = (Event) event;
switch ((Event.Type) localEvent.getType()) {
case RECEIVE_PROFILE_UPDATE_REQUEST:
listener.doProfileUpdateRequestEvent(this, (ProfileUpdateRequest) localEvent.getRequest());
break;
case RECEIVE_PUSH_NOTIFICATION_ANSWER:
listener.doPushNotificationAnswerEvent(this, (PushNotificationRequest) localEvent.getRequest(), (PushNotificationAnswer) localEvent.getAnswer());
break;
case RECEIVE_SUBSCRIBE_NOTIFICATIONS_REQUEST:
listener.doSubscribeNotificationsRequestEvent(this, (SubscribeNotificationsRequest) localEvent.getRequest());
break;
case RECEIVE_USER_DATA_REQUEST:
listener.doUserDataRequestEvent(this, (UserDataRequest) localEvent.getRequest());
break;
case SEND_PROFILE_UPDATE_ANSWER:
dispatchEvent(localEvent.getAnswer());
break;
case SEND_PUSH_NOTIFICATION_REQUEST:
dispatchEvent(localEvent.getRequest());
break;
case SEND_SUBSCRIBE_NOTIFICATIONS_ANSWER:
dispatchEvent(localEvent.getAnswer());
break;
case SEND_USER_DATA_ANSWER:
dispatchEvent(localEvent.getAnswer());
break;
case TIMEOUT_EXPIRES:
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 boolean isStateless() {
return true;
}
protected void send(Event.Type type, AppEvent request, AppEvent answer) throws InternalException {
try {
//FIXME: isnt this bad? Shouldnt send be before state change?
sendAndStateLock.lock();
if (type != null) {
handleEvent(new Event(type, request, answer));
}
}
catch (Exception exc) {
throw new InternalException(exc);
}
finally {
sendAndStateLock.unlock();
}
}
protected void dispatchEvent(AppEvent event) throws InternalException {
try {
session.send(event.getMessage(), this);
// FIXME: add differentiation on server/client request
}
catch (Exception e) {
logger.debug("Failed to dispatch event", 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());
}
}
protected long extractExpiryTime(Message answer) {
try {
// FIXME: Replace 709 by Avp.EXPIRY_TIME
Avp expiryTimeAvp = answer.getAvps().getAvp(709);
return expiryTimeAvp != null ? expiryTimeAvp.getTime().getTime() : -1;
}
catch (AvpDataException ade) {
logger.debug("Failure trying to extract Expiry-Time AVP value", ade);
}
return -1;
}
/* (non-Javadoc)
* @see org.jdiameter.common.impl.app.AppSessionImpl#isReplicable()
*/
@Override
public boolean isReplicable() {
return true;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + (int) (appId ^ (appId >>> 32));
result = prime * result + ((sessionData == null) ? 0 : sessionData.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
ShServerSessionImpl other = (ShServerSessionImpl) obj;
if (appId != other.appId) {
return false;
}
if (sessionData == null) {
if (other.sessionData != null) {
return false;
}
}
else if (!sessionData.equals(other.sessionData)) {
return false;
}
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 {
ServerShSession session;
Request request;
@Override
public void run() {
try {
if (request.getApplicationId() == appId) {
if (request.getCommandCode() == SubscribeNotificationsRequest.code) {
handleEvent(new Event(Event.Type.RECEIVE_SUBSCRIBE_NOTIFICATIONS_REQUEST, factory.createSubscribeNotificationsRequest(request), null));
}
else if (request.getCommandCode() == UserDataRequest.code) {
handleEvent(new Event(Event.Type.RECEIVE_USER_DATA_REQUEST, factory.createUserDataRequest(request), null));
}
else if (request.getCommandCode() == ProfileUpdateRequest.code) {
handleEvent(new Event(Event.Type.RECEIVE_PROFILE_UPDATE_REQUEST, factory.createProfileUpdateRequest(request), null));
}
else {
listener.doOtherEvent(session, new AppRequestEventImpl(request), null);
}
}
}
catch (Exception e) {
logger.debug("Failed to process request message", e);
}
}
}
private class AnswerDelivery implements Runnable {
ServerShSession session;
Answer answer;
Request request;
@Override
public void run() {
try {
sendAndStateLock.lock();
if (request.getApplicationId() == appId) {
if (request.getCommandCode() == PushNotificationRequest.code) {
handleEvent(new Event(Event.Type.RECEIVE_PUSH_NOTIFICATION_ANSWER, factory.createPushNotificationRequest(request),
factory.createPushNotificationAnswer(answer)));
return;
}
else {
listener.doOtherEvent(session, new AppRequestEventImpl(request), new AppAnswerEventImpl(answer));
}
}
else {
logger.warn("Message with Application-Id {} reached Application Session with Application-Id {}. Skipping.", request.getApplicationId(), appId);
}
}
catch (Exception e) {
logger.debug("Failed to process success message", e);
}
finally {
sendAndStateLock.unlock();
}
}
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy