Package org.apache.qpid.server.protocol.v0_8

Examples of org.apache.qpid.server.protocol.v0_8.AMQChannel

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        AMQProtocolSession protocolConnection = stateManager.getProtocolSession();


        VirtualHost vHost = protocolConnection.getVirtualHost();

        AMQChannel channel = protocolConnection.getChannel(channelId);
        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }
        else
        {
            channel.sync();
            AMQQueue queue = body.getQueue() == null ? channel.getDefaultQueue() : vHost.getQueue(body.getQueue().toString());
            if (queue == null)
            {
                _log.info("No queue for '" + body.getQueue() + "'");
                if(body.getQueue()!=null)
                {
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        final MethodDispatcher dispatcher = _protocolSession.getMethodDispatcher();

        final int channelId = evt.getChannelId();
        final B body = evt.getMethod();

        final AMQChannel channel = _protocolSession.getChannel(channelId);
        if(channelId != 0 && channel == null)
        {

            if(! ((body instanceof ChannelOpenBody)
                  || (body instanceof ChannelCloseOkBody)
                  || (body instanceof ChannelCloseBody)))
            {
                throw body.getConnectionException(AMQConstant.CHANNEL_ERROR, "channel is closed won't process:" + body);
            }

        }
        if(channel == null)
        {
            return body.execute(dispatcher, channelId);
        }
        else
        {
            try
            {
                return Subject.doAs(channel.getSubject(), new PrivilegedExceptionAction<Boolean>()
                {
                    @Override
                    public Boolean run() throws AMQException
                    {
                        return body.execute(dispatcher, channelId);
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        AMQQueue queue;

        //TODO: do we need to check that the queue already exists with exactly the same "configuration"?

        AMQChannel channel = protocolConnection.getChannel(channelId);

        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }

        if(body.getPassive())
        {
            queue = virtualHost.getQueue(queueName.toString());
            if (queue == null)
            {
                String msg = "Queue: " + queueName + " not found on VirtualHost(" + virtualHost + ").";
                throw body.getChannelException(AMQConstant.NOT_FOUND, msg);
            }
            else
            {
                if (!queue.verifySessionAccess(channel))
                {
                    throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                                                      "Queue " + queue.getName() + " is exclusive, but not created on this Connection.");
                }

                //set this as the default queue on the channel:
                channel.setDefaultQueue(queue);
            }
        }
        else
        {

            try
            {

                queue = createQueue(channel, queueName, body, virtualHost, protocolConnection);

            }
            catch(QueueExistsException qe)
            {

                queue = qe.getExistingQueue();

                if (!queue.verifySessionAccess(channel))
                {
                    throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                                                      "Queue " + queue.getName() + " is exclusive, but not created on this Connection.");
                }
                else if(queue.isExclusive() != body.getExclusive())
                {

                    throw body.getChannelException(AMQConstant.ALREADY_EXISTS,
                            "Cannot re-declare queue '" + queue.getName() + "' with different exclusivity (was: "
                            + queue.isExclusive() + " requested " + body.getExclusive() + ")");
                }
                else if((body.getAutoDelete() && queue.getLifetimePolicy() != LifetimePolicy.DELETE_ON_NO_OUTBOUND_LINKS)
                    || (!body.getAutoDelete() && queue.getLifetimePolicy() != ((body.getExclusive() && !body.getDurable()) ? LifetimePolicy.DELETE_ON_CONNECTION_CLOSE : LifetimePolicy.PERMANENT)))
                {
                    throw body.getChannelException(AMQConstant.ALREADY_EXISTS,
                                                      "Cannot re-declare queue '" + queue.getName() + "' with different lifetime policy (was: "
                                                        + queue.getLifetimePolicy() + " requested autodelete: " + body.getAutoDelete() + ")");
                }
                else if(queue.isDurable() != body.getDurable())
                {
                    throw body.getChannelException(AMQConstant.ALREADY_EXISTS,
                                                      "Cannot re-declare queue '" + queue.getName() + "' with different durability (was: "
                                                        + queue.isDurable() + " requested " + body.getDurable() + ")");
                }

            }
            catch (AccessControlException e)
            {
                throw body.getConnectionException(AMQConstant.ACCESS_REFUSED, e.getMessage());
            }

            //set this as the default queue on the channel:
            channel.setDefaultQueue(queue);
        }

        if (!body.getNowait())
        {
            channel.sync();
            MethodRegistry methodRegistry = protocolConnection.getMethodRegistry();
            QueueDeclareOkBody responseBody =
                    methodRegistry.createQueueDeclareOkBody(queueName,
                                                            queue.getQueueDepthMessages(),
                                                            queue.getConsumerCount());
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        {
            throw new AMQException(AMQConstant.COMMAND_INVALID, "Virtualhost has not yet been set. ConnectionOpen has not been called.", null);
        }
        _logger.info("Connecting to: " + virtualHost.getName());

        final AMQChannel channel = new AMQChannel(session,channelId, virtualHost.getMessageStore());

        session.addChannel(channel);

        ChannelOpenOkBody response;
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        AMQProtocolSession protocolConnection = stateManager.getProtocolSession();


        VirtualHostImpl vHost = protocolConnection.getVirtualHost();

        AMQChannel channel = protocolConnection.getChannel(channelId);
        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }
        else
        {
            channel.sync();
            AMQQueue queue = body.getQueue() == null ? channel.getDefaultQueue() : vHost.getQueue(body.getQueue().toString());
            if (queue == null)
            {
                _log.info("No queue for '" + body.getQueue() + "'");
                if(body.getQueue()!=null)
                {
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    public void methodReceived(AMQStateManager stateManager, QueueBindBody body, int channelId) throws AMQException
    {
        AMQProtocolSession protocolConnection = stateManager.getProtocolSession();
        VirtualHostImpl virtualHost = protocolConnection.getVirtualHost();
        AMQChannel channel = protocolConnection.getChannel(channelId);

        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }

        final AMQQueue queue;
        final AMQShortString routingKey;

        final AMQShortString queueName = body.getQueue();

        if (queueName == null)
        {

            queue = channel.getDefaultQueue();

            if (queue == null)
            {
                throw body.getChannelException(AMQConstant.NOT_FOUND, "No default queue defined on channel and queue was null");
            }

            if (body.getRoutingKey() == null)
            {
                routingKey = AMQShortString.valueOf(queue.getName());
            }
            else
            {
                routingKey = body.getRoutingKey().intern();
            }
        }
        else
        {
            queue = virtualHost.getQueue(queueName.toString());
            routingKey = body.getRoutingKey() == null ? AMQShortString.EMPTY_STRING : body.getRoutingKey().intern();
        }

        if (queue == null)
        {
            throw body.getChannelException(AMQConstant.NOT_FOUND, "Queue " + queueName + " does not exist.");
        }

        if(isDefaultExchange(body.getExchange()))
        {
            throw body.getConnectionException(AMQConstant.NOT_ALLOWED, "Cannot bind the queue " + queueName + " to the default exchange");
        }

        final String exchangeName = body.getExchange().toString();

        final ExchangeImpl exch = virtualHost.getExchange(exchangeName);
        if (exch == null)
        {
            throw body.getChannelException(AMQConstant.NOT_FOUND, "Exchange " + exchangeName + " does not exist.");
        }


        try
        {

            Map<String,Object> arguments = FieldTable.convertToMap(body.getArguments());
            String bindingKey = String.valueOf(routingKey);

            if (!exch.isBound(bindingKey, arguments, queue))
            {

                if(!exch.addBinding(bindingKey, queue, arguments) && ExchangeDefaults.TOPIC_EXCHANGE_CLASS.equals(exch.getType()))
                {
                    exch.replaceBinding(bindingKey, queue, arguments);
                }
            }
        }
        catch (AccessControlException e)
        {
            throw body.getConnectionException(AMQConstant.ACCESS_REFUSED, e.getMessage());
        }

        if (_log.isInfoEnabled())
        {
            _log.info("Binding queue " + queue + " to exchange " + exch + " with routing key " + routingKey);
        }
        if (!body.getNowait())
        {
            channel.sync();
            MethodRegistry methodRegistry = protocolConnection.getMethodRegistry();
            AMQMethodBody responseBody = methodRegistry.createQueueBindOkBody();
            protocolConnection.writeFrame(responseBody.generateFrame(channelId));

        }
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    public void methodReceived(AMQStateManager stateManager, QueuePurgeBody body, int channelId) throws AMQException
    {
        AMQProtocolSession protocolConnection = stateManager.getProtocolSession();
        VirtualHostImpl virtualHost = protocolConnection.getVirtualHost();

        AMQChannel channel = protocolConnection.getChannel(channelId);
        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }
        AMQQueue queue;
        if(body.getQueue() == null)
        {

           //get the default queue on the channel:
           queue = channel.getDefaultQueue();

            if(queue == null)
            {
                if(_failIfNotFound)
                {
                    throw body.getConnectionException(AMQConstant.NOT_ALLOWED,"No queue specified.");
                }
            }
        }
        else
        {
            queue = virtualHost.getQueue(body.getQueue().toString());
        }

        if(queue == null)
        {
            if(_failIfNotFound)
            {
                throw body.getChannelException(AMQConstant.NOT_FOUND, "Queue " + body.getQueue() + " does not exist.");
            }
        }
        else
        {
                if (!queue.verifySessionAccess(channel))
                {
                    throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                                                      "Queue is exclusive, but not created on this Connection.");
                }

            long purged = 0;
            try
            {
                purged = queue.clearQueue();
            }
            catch (AccessControlException e)
            {
                throw body.getConnectionException(AMQConstant.ACCESS_REFUSED, e.getMessage());
            }


            if(!body.getNowait())
                {
                    channel.sync();
                    MethodRegistry methodRegistry = protocolConnection.getMethodRegistry();
                    AMQMethodBody responseBody = methodRegistry.createQueuePurgeOkBody(purged);
                    protocolConnection.writeFrame(responseBody.generateFrame(channelId));

                }
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        else
        {
            // The partially populated BasicDeliver frame plus the received route body
            // is stored in the channel. Once the final body frame has been received
            // it is routed to the exchange.
            AMQChannel channel = session.getChannel(channelId);

            if (channel == null)
            {
                throw body.getChannelNotFoundException(channelId);
            }

            MessagePublishInfo info = session.getMethodRegistry().getProtocolVersionMethodConverter().convertToInfo(body);
            info.setExchange(exchangeName);
            try
            {
                channel.setPublishFrame(info, destination);
            }
            catch (AccessControlException e)
            {
                throw body.getConnectionException(AMQConstant.ACCESS_REFUSED, e.getMessage());
            }
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    public void methodReceived(AMQStateManager stateManager, BasicConsumeBody body, int channelId) throws AMQException
    {
        AMQProtocolSession protocolConnection = stateManager.getProtocolSession();

        AMQChannel channel = protocolConnection.getChannel(channelId);
        VirtualHostImpl vHost = protocolConnection.getVirtualHost();

        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }
        else
        {
            channel.sync();
            if (_logger.isDebugEnabled())
            {
                _logger.debug("BasicConsume: from '" + body.getQueue() +
                              "' for:" + body.getConsumerTag() +
                              " nowait:" + body.getNowait() +
                              " args:" + body.getArguments());
            }

            MessageSource queue = body.getQueue() == null ? channel.getDefaultQueue() : vHost.getQueue(body.getQueue().intern().toString());

            if (queue == null)
            {
                if (_logger.isDebugEnabled())
                {
                    _logger.debug("No queue for '" + body.getQueue() + "'");
                }
                if (body.getQueue() != null)
                {
                    String msg = "No such queue, '" + body.getQueue() + "'";
                    throw body.getChannelException(AMQConstant.NOT_FOUND, msg);
                }
                else
                {
                    String msg = "No queue name provided, no default queue defined.";
                    throw body.getConnectionException(AMQConstant.NOT_ALLOWED, msg);
                }
            }
            else
            {
                final AMQShortString consumerTagName;

                if (body.getConsumerTag() != null)
                {
                    consumerTagName = body.getConsumerTag().intern(false);
                }
                else
                {
                    consumerTagName = null;
                }

                try
                {
                    if(consumerTagName == null || channel.getSubscription(consumerTagName) == null)
                    {

                        AMQShortString consumerTag = channel.consumeFromSource(consumerTagName,
                                                                               queue,
                                                                               !body.getNoAck(),
                                                                               body.getArguments(),
                                                                               body.getExclusive(),
                                                                               body.getNoLocal());
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        final AMQQueue queue;
        final AMQShortString routingKey;


        AMQChannel channel = session.getChannel(channelId);
        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }

        if (body.getQueue() == null)
        {

            queue = channel.getDefaultQueue();

            if (queue == null)
            {
                throw body.getChannelException(AMQConstant.NOT_FOUND, "No default queue defined on channel and queue was null");
            }

            routingKey = body.getRoutingKey() == null ? null : body.getRoutingKey().intern(false);

        }
        else
        {
            queue = virtualHost.getQueue(body.getQueue().toString());
            routingKey = body.getRoutingKey() == null ? null : body.getRoutingKey().intern(false);
        }

        if (queue == null)
        {
            throw body.getChannelException(AMQConstant.NOT_FOUND, "Queue " + body.getQueue() + " does not exist.");
        }

        if(isDefaultExchange(body.getExchange()))
        {
            throw body.getConnectionException(AMQConstant.NOT_ALLOWED, "Cannot unbind the queue " + queue.getName() + " from the default exchange");
        }

        final ExchangeImpl exch = virtualHost.getExchange(body.getExchange() == null ? null : body.getExchange().toString());
        if (exch == null)
        {
            throw body.getChannelException(AMQConstant.NOT_FOUND, "Exchange " + body.getExchange() + " does not exist.");
        }

        if(!exch.hasBinding(String.valueOf(routingKey), queue))
        {
            throw body.getChannelException(AMQConstant.NOT_FOUND,"No such binding");
        }
        else
        {
            try
            {
                exch.deleteBinding(String.valueOf(routingKey), queue);
            }
            catch (AccessControlException e)
            {
                throw body.getConnectionException(AMQConstant.ACCESS_REFUSED, e.getMessage());
            }
        }


        if (_log.isInfoEnabled())
        {
            _log.info("Binding queue " + queue + " to exchange " + exch + " with routing key " + routingKey);
        }

        final MethodRegistry registry = session.getMethodRegistry();
        final AMQMethodBody responseBody;
        if (registry instanceof MethodRegistry_0_9)
        {
            responseBody = ((MethodRegistry_0_9)registry).createQueueUnbindOkBody();
        }
        else if (registry instanceof MethodRegistry_0_91)
        {
            responseBody = ((MethodRegistry_0_91)registry).createQueueUnbindOkBody();
        }
        else
        {
            // 0-8 does not support QueueUnbind
            throw new AMQException(AMQConstant.COMMAND_INVALID, "QueueUnbind not present in AMQP version: " + session.getProtocolVersion(), null);
        }
        channel.sync();
        session.writeFrame(responseBody.generateFrame(channelId));
    }
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  • org.apache.qpid.framing.abstraction.MessagePublishInfo
  • org.apache.qpid.framing.AMQBody
  • org.apache.qpid.framing.AMQMethodBody
  • org.apache.qpid.framing.AMQShortString
  • org.apache.qpid.framing.BasicContentHeaderProperties
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  • org.apache.qpid.framing.ConnectionCloseBody
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