Package org.apache.qpid.proton.engine

Examples of org.apache.qpid.proton.engine.Connection

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        public boolean test()
        {
            //are all sent messages settled?
            for (Connector<?> c : _driver.connectors())
            {
                Connection connection = c.getConnection();
                for (Link link : new Links(connection, ACTIVE, ANY))
                {
                    if (link instanceof Sender)
                    {
                        if (link.getQueued() > 0)
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        public boolean test()
        {
            //do we have at least one message?
            for (Connector<?> c : _driver.connectors())
            {
                Connection connection = c.getConnection();
                Delivery delivery = connection.getWorkHead();
                while (delivery != null)
                {
                    if (delivery.isReadable() && !delivery.isPartial())
                    {
                        return true;
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                _logger.fine(this + " about to stop");
            }
            //close all connections
            for (Connector<?> c : _driver.connectors())
            {
                Connection connection = c.getConnection();
                connection.close();
            }
            //stop listeners
            for (Listener<?> l : _driver.listeners())
            {
                try
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    public Message get()
    {
        if (_driver != null) {
            for (Connector<?> c : _driver.connectors())
            {
                Connection connection = c.getConnection();
                _logger.log(Level.FINE, "Attempting to get message from " + connection);
                Delivery delivery = connection.getWorkHead();
                while (delivery != null)
                {
                    if (delivery.isReadable() && !delivery.isPartial())
                    {
                        _logger.log(Level.FINE, "Readable delivery found: " + delivery);
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    {
        int count = 0;
        if (_driver != null) {
            for (Connector<?> c : _driver.connectors())
            {
                Connection connection = c.getConnection();
                for (Link link : new Links(connection, ACTIVE, ANY))
                {
                    if (outgoing)
                    {
                        if (link instanceof Sender) count += link.getQueued();
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        //process active listeners
        for (Listener<?> l = _driver.listener(); l != null; l = _driver.listener())
        {
            _worked = true;
            Connector<?> c = l.accept();
            Connection connection = Proton.connection();
            connection.setContainer(_name);
            c.setConnection(connection);
            //TODO: SSL and full SASL
            Sasl sasl = c.sasl();
            if (sasl != null)
            {
                sasl.server();
                sasl.setMechanisms(new String[]{"ANONYMOUS"});
                sasl.done(Sasl.SaslOutcome.PN_SASL_OK);
            }
            connection.open();
        }
        //process active connectors, handling opened & closed connections as needed
        for (Connector<?> c = _driver.connector(); c != null; c = _driver.connector())
        {
            _worked = true;
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        distributeCredit();
    }

    private void processEndpoints(Connector c)
    {
        Connection connection = c.getConnection();

        if (connection.getLocalState() == EndpointState.UNINITIALIZED)
        {
            connection.open();
        }

        Delivery delivery = connection.getWorkHead();
        while (delivery != null)
        {
            if (delivery.getLink() instanceof Sender && delivery.isUpdated())
            {
                delivery.disposition(delivery.getRemoteState());
            }
            //TODO: delivery.clear(); What's the equivalent in java?
            delivery = delivery.getWorkNext();
        }
        _outgoing.slide();

        for (Session session : new Sessions(connection, UNINIT, ANY))
        {
            session.open();
            _logger.log(Level.FINE, "Opened session " + session);
        }
        for (Link link : new Links(connection, UNINIT, ANY))
        {
            //TODO: the following is not correct; should only copy those properties that we understand
            link.setSource(link.getRemoteSource());
            link.setTarget(link.getRemoteTarget());
            link.open();
            _logger.log(Level.FINE, "Opened link " + link);
        }

        distributeCredit();

        for (Link link : new Links(connection, ACTIVE, CLOSED))
        {
            link.close();
        }
        for (Session session : new Sessions(connection, ACTIVE, CLOSED))
        {
            session.close();
        }
        if (connection.getRemoteState() == EndpointState.CLOSED)
        {
            if (connection.getLocalState() == EndpointState.ACTIVE)
            {
                connection.close();
            }
        }
    }
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    private Connection lookup(String host, String service)
    {
        for (Connector<?> c : _driver.connectors())
        {
            Connection connection = c.getConnection();
            if (host.equals(connection.getRemoteContainer()) || service.equals(connection.getContext()))
            {
                return connection;
            }
        }
        return null;
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        int linkCt = 0;
        // @todo track the number of opened receive links
        for (Connector<?> c : _driver.connectors())
        {
            if (c.isClosed()) continue;
            Connection connection = c.getConnection();
            for (Link link : new Links(connection, ACTIVE, ANY))
            {
                if (link instanceof Receiver) linkCt++;
            }
        }

        if (linkCt == 0) return;

        if (_receiving < 0)
        {
            _credit = linkCt * _creditBatch - incoming();
        } else {
            int total = _credit + _distributed;
            if (_receiving > total)
                _credit += _receiving - total;
        }

        int batch = (_credit < linkCt) ? 1 : (_credit/linkCt);
        for (Connector<?> c : _driver.connectors())
        {
            if (c.isClosed()) continue;
            Connection connection = c.getConnection();
            for (Link link : new Links(connection, ACTIVE, ANY))
            {
                if (link instanceof Receiver)
                {
                    int have = ((Receiver) link).getCredit();
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    }

    private <C extends Link> C getLink(String host, int port, LinkFinder<C> finder)
    {
        String service = host + ":" + port;
        Connection connection = lookup(host, service);
        if (connection == null)
        {
            Connector<?> connector = _driver.createConnector(host, port, null);
            _logger.log(Level.FINE, "Connecting to " + host + ":" + port);
            connection = Proton.connection();
            connection.setContainer(_name);
            connection.setHostname(host);
            connection.setContext(service);
            connector.setConnection(connection);
            Sasl sasl = connector.sasl();
            if (sasl != null)
            {
                sasl.client();
                sasl.setMechanisms(new String[]{"ANONYMOUS"});
            }
            connection.open();
        }

        for (Link link : new Links(connection, ACTIVE, ANY))
        {
            C result = finder.test(link);
            if (result != null) return result;
        }
        Session session = connection.session();
        session.open();
        C link = finder.create(session);
        link.open();
        return link;
    }
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Related Classes of org.apache.qpid.proton.engine.Connection

  • org.apache.qpid.proton.engine.impl.TransportImplTest
  • org.apache.qpid.proton.messenger.impl.MessengerImpl
  • org.apache.qpid.proton.messenger.impl.MessengerImpl$ConnectionContext
  • org.apache.qpid.proton.messenger.impl.MessengerImpl$MessageAvailable
  • org.apache.qpid.proton.messenger.impl.MessengerImpl$SentSettled
  • org.apache.qpid.proton.systemtests.SimpleTest
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