| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.activemq.transport.amqp.interop; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.activemq.broker.BrokerService; |
| import org.apache.activemq.broker.jmx.QueueViewMBean; |
| import org.apache.activemq.broker.region.policy.PolicyEntry; |
| import org.apache.activemq.broker.region.policy.PolicyMap; |
| import org.apache.activemq.broker.region.policy.VMPendingQueueMessageStoragePolicy; |
| import org.apache.activemq.broker.region.policy.VMPendingSubscriberMessageStoragePolicy; |
| import org.apache.activemq.transport.amqp.client.AmqpClient; |
| import org.apache.activemq.transport.amqp.client.AmqpClientTestSupport; |
| import org.apache.activemq.transport.amqp.client.AmqpConnection; |
| import org.apache.activemq.transport.amqp.client.AmqpMessage; |
| import org.apache.activemq.transport.amqp.client.AmqpReceiver; |
| import org.apache.activemq.transport.amqp.client.AmqpSender; |
| import org.apache.activemq.transport.amqp.client.AmqpSession; |
| import org.apache.activemq.util.Wait; |
| import org.junit.Test; |
| |
| public class AmqpFlowControlTest extends AmqpClientTestSupport { |
| |
| @Override |
| protected void performAdditionalConfiguration(BrokerService brokerService) throws Exception { |
| // Setup a destination policy where it takes only 1 message at a time. |
| PolicyMap policyMap = new PolicyMap(); |
| PolicyEntry policy = new PolicyEntry(); |
| policy.setMemoryLimit(1); |
| policy.setPendingSubscriberPolicy(new VMPendingSubscriberMessageStoragePolicy()); |
| policy.setPendingQueuePolicy(new VMPendingQueueMessageStoragePolicy()); |
| policy.setProducerFlowControl(true); |
| policyMap.setDefaultEntry(policy); |
| |
| brokerService.setDestinationPolicy(policyMap); |
| } |
| |
| @Test(timeout = 60000) |
| public void testCreditNotGrantedUntilBacklogClears() throws Exception { |
| final int MSG_COUNT = 1000; |
| |
| AmqpClient client = createAmqpClient(); |
| AmqpConnection connection = trackConnection(client.connect()); |
| AmqpSession session = connection.createSession(); |
| |
| AmqpReceiver receiver = session.createReceiver("queue://" + getTestName()); |
| AmqpSender sender = session.createSender("queue://" + getTestName(), true); |
| |
| for (int i = 1; i <= MSG_COUNT; ++i) { |
| AmqpMessage message = new AmqpMessage(); |
| message.setText("Test-Message: " + i); |
| sender.send(message); |
| |
| if (i % 1000 == 0) { |
| LOG.info("Sent message: {}", i); |
| } |
| } |
| |
| // Should only accept one message |
| final QueueViewMBean queue = getProxyToQueue(getTestName()); |
| assertTrue("All messages should arrive", Wait.waitFor(new Wait.Condition() { |
| |
| @Override |
| public boolean isSatisified() throws Exception { |
| return queue.getQueueSize() == 1; |
| } |
| })); |
| |
| assertEquals(0, sender.getEndpoint().getRemoteCredit()); |
| |
| receiver.flow(1); |
| AmqpMessage received = receiver.receive(5, TimeUnit.SECONDS); |
| assertNotNull(received); |
| received.accept(); |
| |
| // Should not grant any credit until backlog starts to clear |
| assertEquals(0, sender.getEndpoint().getRemoteCredit()); |
| |
| receiver.flow(MSG_COUNT - 1); |
| for (int i = 0; i < MSG_COUNT - 1; ++i) { |
| received = receiver.receive(5, TimeUnit.SECONDS); |
| assertNotNull(received); |
| received.accept(); |
| } |
| |
| // Should have been granted credit once backlog was cleared. |
| assertTrue(sender.getEndpoint().getRemoteCredit() > 0); |
| |
| sender.close(); |
| connection.close(); |
| } |
| } |