Examples with SessionContext org.apache.activemq.artemis.spi.core.remoting.SessionContext used on opensource projects

Example 1 with SessionContext

use of org.apache.activemq.artemis.spi.core.remoting.SessionContext in project activemq-artemis by apache.

the class ClientSessionFactoryImpl method failoverOrReconnect.

/**
 * TODO: Maybe this belongs to ActiveMQClientProtocolManager
 *
 * @param connectionID
 * @param me
 */
private void failoverOrReconnect(final Object connectionID, final ActiveMQException me, String scaleDownTargetNodeID) {
    ActiveMQClientLogger.LOGGER.failoverOrReconnect(connectionID, me);
    for (ClientSessionInternal session : sessions) {
        SessionContext context = session.getSessionContext();
        if (context instanceof ActiveMQSessionContext) {
            ActiveMQSessionContext sessionContext = (ActiveMQSessionContext) context;
            if (sessionContext.isKilled()) {
                setReconnectAttempts(0);
            }
        }
    }
    Set<ClientSessionInternal> sessionsToClose = null;
    if (!clientProtocolManager.isAlive())
        return;
    Lock localFailoverLock = lockFailover();
    try {
        if (connection == null || !connection.getID().equals(connectionID) || !clientProtocolManager.isAlive()) {
            return;
        }
        if (ClientSessionFactoryImpl.logger.isTraceEnabled()) {
            logger.trace("Client Connection failed, calling failure listeners and trying to reconnect, reconnectAttempts=" + reconnectAttempts);
        }
        callFailoverListeners(FailoverEventType.FAILURE_DETECTED);
        // We call before reconnection occurs to give the user a chance to do cleanup, like cancel messages
        callSessionFailureListeners(me, false, false, scaleDownTargetNodeID);
        if (reconnectAttempts != 0) {
            if (clientProtocolManager.cleanupBeforeFailover(me)) {
                // Now we absolutely know that no threads are executing in or blocked in
                // createSession,
                // and no
                // more will execute it until failover is complete
                // So.. do failover / reconnection
                RemotingConnection oldConnection = connection;
                connection = null;
                Connector localConnector = connector;
                if (localConnector != null) {
                    try {
                        localConnector.close();
                    } catch (Exception ignore) {
                    // no-op
                    }
                }
                cancelScheduledTasks();
                connector = null;
                reconnectSessions(oldConnection, reconnectAttempts, me);
                if (oldConnection != null) {
                    oldConnection.destroy();
                }
                if (connection != null) {
                    callFailoverListeners(FailoverEventType.FAILOVER_COMPLETED);
                }
            }
        } else {
            RemotingConnection connectionToDestory = connection;
            if (connectionToDestory != null) {
                connectionToDestory.destroy();
            }
            connection = null;
        }
        if (connection == null) {
            synchronized (sessions) {
                sessionsToClose = new HashSet<>(sessions);
            }
            callFailoverListeners(FailoverEventType.FAILOVER_FAILED);
            callSessionFailureListeners(me, true, false, scaleDownTargetNodeID);
        }
    } finally {
        localFailoverLock.unlock();
    }
    // This needs to be outside the failover lock to prevent deadlock
    if (connection != null) {
        callSessionFailureListeners(me, true, true);
    }
    if (sessionsToClose != null) {
        for (ClientSessionInternal session : sessionsToClose) {
            try {
                session.cleanUp(true);
            } catch (Exception cause) {
                ActiveMQClientLogger.LOGGER.failedToCleanupSession(cause);
            }
        }
    }
}

Example 2 with SessionContext

use of org.apache.activemq.artemis.spi.core.remoting.SessionContext in project activemq-artemis by apache.

the class ClientSessionFactoryImpl method createSessionInternal.

private ClientSession createSessionInternal(final String username, final String password, final boolean xa, final boolean autoCommitSends, final boolean autoCommitAcks, final boolean preAcknowledge, final int ackBatchSize) throws ActiveMQException {
    String name = UUIDGenerator.getInstance().generateStringUUID();
    SessionContext context = createSessionChannel(name, username, password, xa, autoCommitSends, autoCommitAcks, preAcknowledge);
    ClientSessionInternal session = new ClientSessionImpl(this, name, username, password, xa, autoCommitSends, autoCommitAcks, preAcknowledge, serverLocator.isBlockOnAcknowledge(), serverLocator.isAutoGroup(), ackBatchSize, serverLocator.getConsumerWindowSize(), serverLocator.getConsumerMaxRate(), serverLocator.getConfirmationWindowSize(), serverLocator.getProducerWindowSize(), serverLocator.getProducerMaxRate(), serverLocator.isBlockOnNonDurableSend(), serverLocator.isBlockOnDurableSend(), serverLocator.isCacheLargeMessagesClient(), serverLocator.getMinLargeMessageSize(), serverLocator.isCompressLargeMessage(), serverLocator.getInitialMessagePacketSize(), serverLocator.getGroupID(), context, orderedExecutorFactory.getExecutor(), orderedExecutorFactory.getExecutor(), orderedExecutorFactory.getExecutor());
    synchronized (sessions) {
        if (closed || !clientProtocolManager.isAlive()) {
            session.close();
            return null;
        }
        sessions.add(session);
    }
    return session;
}