Package org.apache.qpid.server.protocol

Examples of org.apache.qpid.server.protocol.AMQProtocolSession$ProtocolSessionIdentifier

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        _failIfNotFound = failIfNotFound;
    }

    public void methodReceived(AMQStateManager stateManager, QueuePurgeBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHost virtualHost = session.getVirtualHost();
        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();

        AMQChannel channel = session.getChannel(channelId);


        AMQQueue queue;
        if(body.getQueue() == null)
        {

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

           //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 = queueRegistry.getQueue(body.getQueue());
        }

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

                //Perform ACLs
                virtualHost.getAccessManager().authorise(session, Permission.PURGE, body, queue);

                long purged = queue.clearQueue(channel.getStoreContext());


                if(!body.getNowait())
                {

                    MethodRegistry methodRegistry = session.getMethodRegistry();
                    AMQMethodBody responseBody = methodRegistry.createQueuePurgeOkBody(purged);
                    session.writeFrame(responseBody.generateFrame(channelId));
                   
                }
        }
    }
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    {
    }

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

        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 = methodRegistry.createAccessRequestOkBody(0);

        session.writeFrame(response.generateFrame(channelId));
    }
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        return _instance;
    }

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

        _logger.debug("Recover received on protocol session " + session + " and channel " + channelId);
        AMQChannel channel = session.getChannel(channelId);


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

        channel.resend(body.getRequeue());

        // Qpid 0-8 hacks a synchronous -ok onto recover.
        // In Qpid 0-9 we create a separate sync-recover, sync-recover-ok pair to be "more" compliant
        if(session.getProtocolVersion().equals(ProtocolVersion.v0_9))
        {
            MethodRegistry_0_9 methodRegistry = (MethodRegistry_0_9) session.getMethodRegistry();
            AMQMethodBody recoverOk = methodRegistry.createBasicRecoverSyncOkBody();
            session.writeFrame(recoverOk.generateFrame(channelId));

        }

    }
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    {
    }

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

        AMQChannel channel = session.getChannel(channelId);

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

    public void methodReceived(AMQStateManager stateManager, TxCommitBody body, int channelId) throws AMQException
    {
        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();

            MethodRegistry methodRegistry = session.getMethodRegistry();
            AMQMethodBody responseBody = methodRegistry.createTxCommitOkBody();
            session.writeFrame(responseBody.generateFrame(channelId));
           
            channel.processReturns();
        }
        catch (AMQException e)
        {
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    {
    }

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


        VirtualHost vHost = session.getVirtualHost();

        AMQChannel channel = session.getChannel(channelId);
        if (channel == null)
        {
            throw body.getChannelNotFoundException(channelId);
        }
        else
        {
            AMQQueue queue = body.getQueue() == null ? channel.getDefaultQueue() : vHost.getQueueRegistry().getQueue(body.getQueue());
            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
            {

                //Perform ACLs
                vHost.getAccessManager().authorise(session, Permission.CONSUME, body, queue);

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


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

    public void methodReceived(AMQStateManager stateManager, QueueBindBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHost virtualHost = session.getVirtualHost();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();
        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();


        final AMQQueue queue;
        final AMQShortString routingKey;

        if (body.getQueue() == null)
        {
            AMQChannel channel = session.getChannel(channelId);

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

            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 = queue.getName();
            }
            else
            {
                routingKey = body.getRoutingKey().intern();
            }
        }
        else
        {
            queue = queueRegistry.getQueue(body.getQueue());
            routingKey = body.getRoutingKey() == null ? AMQShortString.EMPTY_STRING : body.getRoutingKey().intern();
        }

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


        try
        {

            //Perform ACLs
            virtualHost.getAccessManager().authorise(session, Permission.BIND, body, exch, queue, routingKey);

            if (!exch.isBound(routingKey, body.getArguments(), queue))
            {
                queue.bind(exch, routingKey, body.getArguments());
            }
        }
        catch (AMQInvalidRoutingKeyException rke)
        {
            throw body.getChannelException(AMQConstant.INVALID_ROUTING_KEY, routingKey.toString());
        }
        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())
        {
            MethodRegistry methodRegistry = session.getMethodRegistry();
            AMQMethodBody responseBody = methodRegistry.createQueueBindOkBody();
            session.writeFrame(responseBody.generateFrame(channelId));

        }
    }
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        Configurator.configure(this);
    }

    public void methodReceived(AMQStateManager stateManager, QueueDeclareBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHost virtualHost = session.getVirtualHost();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();
        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();
        MessageStore store = virtualHost.getMessageStore();


        if (!body.getPassive())
        {
            //Perform ACL if request is not passive
            virtualHost.getAccessManager().authorise(session, Permission.CREATE, body);
        }


        final AMQShortString queueName;

        // if we aren't given a queue name, we create one which we return to the client

        if ((body.getQueue() == null) || (body.getQueue().length() == 0))
        {
            queueName = createName();
        }
        else
        {
            queueName = body.getQueue().intern();
        }

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

        synchronized (queueRegistry)
        {



            if (((queue = queueRegistry.getQueue(queueName)) == null))
            {

                if (body.getPassive())
                {
                    String msg = "Queue: " + queueName + " not found on VirtualHost(" + virtualHost + ").";
                    throw body.getChannelException(AMQConstant.NOT_FOUND, msg);
                }
                else
                {
                    queue = createQueue(queueName, body, virtualHost, session);
                    if (queue.isDurable() && !queue.isAutoDelete())
                    {
                        store.createQueue(queue, body.getArguments());
                    }
                    queueRegistry.registerQueue(queue);
                    if (autoRegister)
                    {
                        Exchange defaultExchange = exchangeRegistry.getDefaultExchange();

                        queue.bind(defaultExchange, queueName, null);
                        _logger.info("Queue " + queueName + " bound to default exchange(" + defaultExchange.getName() + ")");
                    }
                }
            }
            else if (queue.getOwner() != null && !session.getContextKey().equals(queue.getOwner()))
            {
                throw body.getChannelException(AMQConstant.ALREADY_EXISTS, "Cannot declare queue('" + queueName + "'),"
                                                                           + " as exclusive queue with same name "
                                                                           + "declared on another client ID('"
                                                                           + queue.getOwner() + "')");
            }

            AMQChannel channel = session.getChannel(channelId);

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

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

        if (!body.getNowait())
        {
            MethodRegistry methodRegistry = session.getMethodRegistry();
            QueueDeclareOkBody responseBody =
                    methodRegistry.createQueueDeclareOkBody(queueName,
                                                            queue.getMessageCount(),
                                                            queue.getConsumerCount());
            session.writeFrame(responseBody.generateFrame(channelId));

            _logger.info("Queue " + queueName + " declared successfully");
        }
    }
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    {
    }

    public void methodReceived(AMQStateManager stateManager, ExchangeDeclareBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHost virtualHost = session.getVirtualHost();
        ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry();
        ExchangeFactory exchangeFactory = virtualHost.getExchangeFactory();

        if (!body.getPassive())
        {
            //Perform ACL if request is not passive
            virtualHost.getAccessManager().authorise(session, Permission.CREATE, body);
        }

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



            if (exchange == null)
            {
                if(body.getPassive() && ((body.getType() == null) || body.getType().length() ==0))
                {
                    throw body.getChannelException(AMQConstant.NOT_FOUND, "Unknown exchange: " + body.getExchange());
                }
                else
                {
                    try
                    {

                    exchange = exchangeFactory.createExchange(body.getExchange() == null ? null : body.getExchange().intern(),
                                                              body.getType() == null ? null : body.getType().intern(),
                                                              body.getDurable(),
                                                              body.getPassive(), body.getTicket());
                    exchangeRegistry.registerExchange(exchange);
                    }
                    catch(AMQUnknownExchangeType e)
                    {
                        throw body.getConnectionException(AMQConstant.COMMAND_INVALID, "Unknown exchange: " + body.getExchange(),e);
                    }
                }
            }
            else if (!exchange.getType().equals(body.getType()))
            {

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

        }
        if(!body.getNowait())
        {
            MethodRegistry methodRegistry = session.getMethodRegistry();
            AMQMethodBody responseBody = methodRegistry.createExchangeDeclareOkBody();
            session.writeFrame(responseBody.generateFrame(channelId));

        }
    }
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    }

    public void methodReceived(AMQStateManager stateManager, QueueDeleteBody body, int channelId) throws AMQException
    {
        AMQProtocolSession session = stateManager.getProtocolSession();
        VirtualHost virtualHost = session.getVirtualHost();
        QueueRegistry queueRegistry = virtualHost.getQueueRegistry();
        MessageStore store = virtualHost.getMessageStore();

        AMQQueue queue;
        if (body.getQueue() == null)
        {
            AMQChannel channel = session.getChannel(channelId);

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

            //get the default queue on the channel:           
            queue = channel.getDefaultQueue();
        }
        else
        {
            queue = queueRegistry.getQueue(body.getQueue());
        }

        if (queue == null)
        {
            if (_failIfNotFound)
            {
                throw body.getChannelException(AMQConstant.NOT_FOUND, "Queue " + body.getQueue() + " does not exist.");
            }
        }
        else
        {
            if (body.getIfEmpty() && !queue.isEmpty())
            {
                throw body.getChannelException(AMQConstant.IN_USE, "Queue: " + body.getQueue() + " is not empty.");
            }
            else if (body.getIfUnused() && !queue.isUnused())
            {
                // TODO - Error code
                throw body.getChannelException(AMQConstant.IN_USE, "Queue: " + body.getQueue() + " is still used.");

            }
            else
            {
               
                //Perform ACLs
                virtualHost.getAccessManager().authorise(session, Permission.DELETE, body, queue);

                int purged = queue.delete();


                if (queue.isDurable())
                {
                    store.removeQueue(queue);
                }

                MethodRegistry methodRegistry = session.getMethodRegistry();
                QueueDeleteOkBody responseBody = methodRegistry.createQueueDeleteOkBody(purged);
                session.writeFrame(responseBody.generateFrame(channelId));
            }
        }
    }
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Related Classes of org.apache.qpid.server.protocol.AMQProtocolSession$ProtocolSessionIdentifier

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  • org.apache.qpid.server.cluster.handler.RemoteConsumeHandler
  • org.apache.qpid.server.cluster.handler.ReplicatingConsumeHandler
  • org.apache.qpid.server.cluster.handler.ReplicatingHandler
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  • org.apache.qpid.server.connection.ConnectionRegistry
  • org.apache.qpid.server.handler.AccessRequestHandler
  • org.apache.qpid.server.handler.BasicAckMethodHandler
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