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

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

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    public void methodReceived(AMQStateManager stateManager, ExchangeDeclareBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHostImpl virtualHost = session.getVirtualHost();
        final AMQChannel channel = session.getChannel(channelId);
        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }

        final AMQShortString exchangeName = body.getExchange();
        if (_logger.isDebugEnabled())
        {
            _logger.debug("Request to declare exchange of type " + body.getType() + " with name " + exchangeName);
        }

        ExchangeImpl exchange;

        if(isDefaultExchange(exchangeName))
        {
            if(!new AMQShortString(ExchangeDefaults.DIRECT_EXCHANGE_CLASS).equals(body.getType()))
            {
                throw new AMQConnectionException(AMQConstant.NOT_ALLOWED, "Attempt to redeclare default exchange: "
                                                                          + " of type "
                                                                          + ExchangeDefaults.DIRECT_EXCHANGE_CLASS
                                                                          + " to " + body.getType() +".",
                                                 body.getClazz(), body.getMethod(),
                                                 body.getMajor(), body.getMinor(),null);
            }
        }
        else
        {
            if (body.getPassive())
            {
                exchange = virtualHost.getExchange(exchangeName.toString());
                if(exchange == null)
                {
                    throw body.getChannelException(AMQConstant.NOT_FOUND, "Unknown exchange: " + exchangeName);
                }
                else if (!(body.getType() == null || body.getType().length() ==0) && !exchange.getType().equals(body.getType().asString()))
                {

                    throw new AMQConnectionException(AMQConstant.NOT_ALLOWED, "Attempt to redeclare exchange: " +
                                      exchangeName + " of type " + exchange.getType()
                                      + " to " + body.getType() +".",body.getClazz(), body.getMethod(),body.getMajor(),body.getMinor(),null);
                }

            }
            else
            {
                try
                {
                    String name = exchangeName == null ? null : exchangeName.intern().toString();
                    String type = body.getType() == null ? null : body.getType().intern().toString();

                    Map<String,Object> attributes = new HashMap<String, Object>();
                    if(body.getArguments() != null)
                    {
                        attributes.putAll(FieldTable.convertToMap(body.getArguments()));
                    }
                    attributes.put(org.apache.qpid.server.model.Exchange.ID, null);
                    attributes.put(org.apache.qpid.server.model.Exchange.NAME,name);
                    attributes.put(org.apache.qpid.server.model.Exchange.TYPE,type);
                    attributes.put(org.apache.qpid.server.model.Exchange.DURABLE, body.getDurable());
                    attributes.put(org.apache.qpid.server.model.Exchange.LIFETIME_POLICY,
                                   body.getAutoDelete() ? LifetimePolicy.DELETE_ON_NO_LINKS : LifetimePolicy.PERMANENT);
                    if(!attributes.containsKey(org.apache.qpid.server.model.Exchange.ALTERNATE_EXCHANGE))
                    {
                        attributes.put(org.apache.qpid.server.model.Exchange.ALTERNATE_EXCHANGE, null);
                    }
                    exchange = virtualHost.createExchange(attributes);

                }
                catch(ReservedExchangeNameException e)
                {
                    throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                                              "Attempt to declare exchange: " + exchangeName +
                                              " which begins with reserved prefix.");

                }
                catch(ExchangeExistsException e)
                {
                    exchange = e.getExistingExchange();
                    if(!new AMQShortString(exchange.getType()).equals(body.getType()))
                    {
                        throw new AMQConnectionException(AMQConstant.NOT_ALLOWED, "Attempt to redeclare exchange: "
                                                                                  + exchangeName + " of type "
                                                                                  + exchange.getType()
                                                                                  + " to " + body.getType() +".",
                                                         body.getClazz(), body.getMethod(),
                                                         body.getMajor(), body.getMinor(),null);
                    }
                }
                catch(NoFactoryForTypeException e)
                {
                    throw body.getConnectionException(AMQConstant.COMMAND_INVALID, "Unknown exchange: " + exchangeName,e);
                }
                catch (AccessControlException e)
                {
                    throw body.getConnectionException(AMQConstant.ACCESS_REFUSED, e.getMessage());
                }
                catch (UnknownConfiguredObjectException e)
                {
                    // note - since 0-8/9/9-1 can't set the alt. exchange this exception should never occur
                    throw body.getConnectionException(AMQConstant.NOT_FOUND, "Unknown alternate exchange",e);
                }
                catch (IllegalArgumentException e)
                {
                    throw body.getConnectionException(AMQConstant.COMMAND_INVALID, "Error creating exchange",e);
                }
            }
        }

        if(!body.getNowait())
        {
            MethodRegistry methodRegistry = session.getMethodRegistry();
            AMQMethodBody responseBody = methodRegistry.createExchangeDeclareOkBody();
            channel.sync();
            session.writeFrame(responseBody.generateFrame(channelId));
        }
    }
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        AMQProtocolSession protocolConnection = stateManager.getProtocolSession();
        VirtualHostImpl virtualHost = protocolConnection.getVirtualHost();
        DurableConfigurationStore store = virtualHost.getDurableConfigurationStore();


        AMQChannel channel = protocolConnection.getChannel(channelId);

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

            //get the default queue on the channel:
            queue = channel.getDefaultQueue();
        }
        else
        {
            queue = virtualHost.getQueue(body.getQueue().toString());
        }
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    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHostImpl virtualHost = session.getVirtualHost();
        MethodRegistry methodRegistry = session.getMethodRegistry();

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


        AMQShortString exchangeName = body.getExchange();
        AMQShortString queueName = body.getQueue();
        AMQShortString routingKey = body.getRoutingKey();
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    public void methodReceived(AMQStateManager stateManager, ExchangeDeleteBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHostImpl virtualHost = session.getVirtualHost();
        final AMQChannel channel = session.getChannel(channelId);
        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }
        channel.sync();
        try
        {

            if(isDefaultExchange(body.getExchange()))
            {
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            trans.enqueue(currentMessage.getDestinationQueues(), currentMessage, new ServerTransaction.Action() {
                public void postCommit()
                {
                    try
                    {
                        AMQMessage message = new AMQMessage(currentMessage.getStoredMessage());

                        for(BaseQueue queue : destinationQueues)
                        {
                            queue.enqueue(message);
                        }
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    {
    }

    public void methodReceived(AMQStateManager stateManager, TxCommitBody body, final int channelId) throws AMQException
    {
        final AMQProtocolSession session = stateManager.getProtocolSession();

        try
        {
            if (_log.isDebugEnabled())
            {
                _log.debug("Commit received on channel " + channelId);
            }
            AMQChannel channel = session.getChannel(channelId);

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

                @Override
                public void run()
                {
                    MethodRegistry methodRegistry = session.getMethodRegistry();
                    AMQMethodBody responseBody = methodRegistry.createTxCommitOkBody();
                    session.writeFrame(responseBody.generateFrame(channelId));
                }
            }, true);


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    {
    }

    public void methodReceived(AMQStateManager stateManager, BasicGetBody body, int channelId) throws AMQException
    {
        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)
                {
                    throw body.getConnectionException(AMQConstant.NOT_FOUND,
                                                      "No such queue, '" + body.getQueue()+ "'");
                }
                else
                {
                    throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                                                      "No queue name provided, no default queue defined.");
                }
            }
            else
            {
                if (queue.isExclusive())
                {
                    AMQSessionModel session = queue.getExclusiveOwningSession();
                    if (session == null || session.getConnectionModel() != protocolConnection)
                    {
                        throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                                                          "Queue is exclusive, but not created on this Connection.");
                    }
                }

                if (!performGet(queue,protocolConnection, channel, !body.getNoAck()))
                {
                    MethodRegistry methodRegistry = protocolConnection.getMethodRegistry();
                    // TODO - set clusterId
                    BasicGetEmptyBody responseBody = methodRegistry.createBasicGetEmptyBody(null);


                    protocolConnection.writeFrame(responseBody.generateFrame(channelId));
                }
            }
        }
    }
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    {
    }

    public void methodReceived(AMQStateManager stateManager, QueueBindBody body, int channelId) throws AMQException
    {
        AMQProtocolSession protocolConnection = stateManager.getProtocolSession();
        VirtualHost 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.");
        }
        final String exchangeName = body.getExchange() == null ? null : body.getExchange().toString();
        final Exchange exch = virtualHost.getExchange(exchangeName);
        if (exch == null)
        {
            throw body.getChannelException(AMQConstant.NOT_FOUND, "Exchange " + exchangeName + " does not exist.");
        }


        try
        {
            if (queue.isExclusive() && !queue.isDurable())
            {
                AMQSessionModel session = queue.getExclusiveOwningSession();
                if (session == null || session.getConnectionModel() != protocolConnection)
                {
                    throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                                                      "Queue " + queue.getName() + " is exclusive, but not created on this Connection.");
                }
            }

            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) && TopicExchange.TYPE.equals(exch.getType()))
                {
                    Binding oldBinding = exch.getBinding(bindingKey, queue, arguments);

                    Map<String, Object> oldArgs = oldBinding.getArguments();
                    if((oldArgs == null && !arguments.isEmpty()) || (oldArgs != null && !oldArgs.equals(arguments)))
                    {
                        exch.replaceBinding(oldBinding.getId(), bindingKey, queue, arguments);
                    }
                }
            }
        }
        catch (AMQException e)
        {
            throw body.getChannelException(AMQConstant.CHANNEL_ERROR, e.toString());
        }

        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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        _failIfNotFound = failIfNotFound;
    }

    public void methodReceived(AMQStateManager stateManager, QueuePurgeBody body, int channelId) throws AMQException
    {
        AMQProtocolSession protocolConnection = stateManager.getProtocolSession();
        VirtualHost 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
        {
                AMQSessionModel session = queue.getExclusiveOwningSession();

                if (queue.isExclusive() && (session == null || session.getConnectionModel() != protocolConnection))
                {
                    throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                                                      "Queue is exclusive, but not created on this Connection.");
                }

                long purged = queue.clearQueue();


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

                }
        }
    }
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    {
    }

    public void methodReceived(AMQStateManager stateManager, AccessRequestBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        final AMQChannel channel = session.getChannel(channelId);
        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }

        MethodRegistry methodRegistry = session.getMethodRegistry();

        // We don't implement access control class, but to keep clients happy that expect it
        // always use the "0" ticket.
        AccessRequestOkBody response;
        if(methodRegistry instanceof MethodRegistry_0_9)
        {
            response = ((MethodRegistry_0_9)methodRegistry).createAccessRequestOkBody(0);
        }
        else if(methodRegistry instanceof MethodRegistry_8_0)
        {
            response = ((MethodRegistry_8_0)methodRegistry).createAccessRequestOkBody(0);
        }
        else
        {
            throw new AMQException(AMQConstant.COMMAND_INVALID, "AccessRequest not present in AMQP versions other than 0-8, 0-9");
        }

        channel.sync();
        session.writeFrame(response.generateFrame(channelId));
    }
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