| /* |
| * 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.qpid.protonj2.test.driver; |
| |
| import java.nio.ByteBuffer; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.qpid.protonj2.test.driver.actions.ConnectionDropAction; |
| import org.apache.qpid.protonj2.test.driver.actions.PeerShutdownAction; |
| |
| /** |
| * Abstract base class that is implemented by all the AMQP v1.0 test peer |
| * implementations to provide a consistent interface for the test driver |
| * classes to interact with. |
| */ |
| public abstract class ProtonTestPeer extends ScriptWriter implements AutoCloseable { |
| |
| protected final AtomicBoolean closed = new AtomicBoolean(); |
| |
| public boolean isClosed() { |
| return closed.get(); |
| } |
| |
| @Override |
| public void close() { |
| if (closed.compareAndSet(false, true)) { |
| processPeerShutdownRequest(); |
| } |
| } |
| |
| /** |
| * Disconnect any current active connection to this peer, or from this peer if it |
| * is a client type connection. Depending on the peer implementation this could be |
| * a terminal action. A server implementation should allow for a new connection to |
| * be made to it following dropping any existing client connection. |
| */ |
| public void dropConnection() { |
| if (closed.compareAndSet(false, true)) { |
| processCloseConnectionRequest(); |
| } |
| } |
| |
| /** |
| * Waits for the test script to complete and ignores any errors seen. This method is |
| * generally only useful for scripts that complete other specific waits and then want |
| * to wait for a shutdown sequence without scripting an exact order of events. |
| */ |
| public void waitForScriptToCompleteIgnoreErrors() { |
| getDriver().waitForScriptToCompleteIgnoreErrors(); |
| } |
| |
| /** |
| * Waits for the configured test script to complete and will throw any errors |
| * from the expected script as {@link AssertionError} exceptions. |
| */ |
| public void waitForScriptToComplete() { |
| getDriver().waitForScriptToComplete(); |
| } |
| |
| /** |
| * Waits for the configured test script to complete and will throw any errors |
| * from the expected script as {@link AssertionError} exceptions. |
| * |
| * @param timeout |
| * The time to wait in milliseconds before failing the wait. |
| */ |
| public void waitForScriptToComplete(long timeout) { |
| getDriver().waitForScriptToComplete(timeout); |
| } |
| |
| /** |
| * Waits for the configured test script to complete and will throw any errors |
| * from the expected script as {@link AssertionError} exceptions. |
| * |
| * @param timeout |
| * The time to wait before failing the wait. |
| * @param units |
| * The units to use for the given time interval. |
| */ |
| public void waitForScriptToComplete(long timeout, TimeUnit units) { |
| getDriver().waitForScriptToComplete(timeout, units); |
| } |
| |
| /** |
| * @return the total number of AMQP idle frames that were received. |
| */ |
| public int getEmptyFrameCount() { |
| return getDriver().getEmptyFrameCount(); |
| } |
| |
| /** |
| * @return the total number of AMQP performatives that were read so far. |
| */ |
| public int getPerformativeCount() { |
| return getDriver().getPerformativeCount(); |
| } |
| |
| /** |
| * @return the total number of SASL performatives that were read so far. |
| */ |
| public int getSaslPerformativeCount() { |
| return getDriver().getSaslPerformativeCount(); |
| } |
| |
| /** |
| * Drops the connection to the connected client immediately after the last handler that was |
| * registered before this scripted action is queued. Depending on the test peer this action |
| * could be a terminal one meaning no other scripted elements could be added and doing so might |
| * result in wait for completion calls to hang. In general any server type peer should allow |
| * reconnects after dropping a client connection but a client peer would be expected not to |
| * allow and action following a drop. |
| * |
| * @return this test peer instance. |
| */ |
| public ProtonTestPeer dropAfterLastHandler() { |
| getDriver().addScriptedElement(new ConnectionDropAction(this)); |
| return this; |
| } |
| |
| /** |
| * Drops the connection to the connected client immediately after the last handler that was |
| * registered before this scripted action is queued. Depending on the test peer this action |
| * could be a terminal one meaning no other scripted elements could be added and doing so might |
| * result in wait for completion calls to hang. In general any server type peer should allow |
| * reconnects after dropping a client connection but a client peer would be expected not to |
| * allow and action following a drop. |
| * |
| * @param delay |
| * The time in milliseconds to wait before running the action after the last handler is run. |
| * |
| * @return this test peer instance. |
| */ |
| public ProtonTestPeer dropAfterLastHandler(int delay) { |
| getDriver().addScriptedElement(new ConnectionDropAction(this).afterDelay(delay)); |
| return this; |
| } |
| |
| /** |
| * Shuts down the peer dropping and connections and rendering the peer not usable for |
| * any new actions to be added. |
| * |
| * @return this test peer instance. |
| */ |
| public ProtonTestPeer shutdownAfterLastHandler() { |
| getDriver().addScriptedElement(new PeerShutdownAction(this)); |
| return this; |
| } |
| |
| /** |
| * Shuts down the peer dropping and connections and rendering the peer not usable for |
| * any new actions to be added. |
| * |
| * @param delay |
| * The time in milliseconds to wait before running the action after the last handler is run. |
| * |
| * @return this test peer instance. |
| */ |
| public ProtonTestPeer shutdownAfterLastHandler(int delay) { |
| getDriver().addScriptedElement(new PeerShutdownAction(this).afterDelay(delay)); |
| return this; |
| } |
| |
| protected abstract String getPeerName(); |
| |
| protected abstract void processCloseConnectionRequest(); |
| |
| protected abstract void processPeerShutdownRequest(); |
| |
| protected abstract void processDriverOutput(ByteBuffer frame); |
| |
| protected abstract void processConnectionEstablished(); |
| |
| protected abstract void processConnectionDropped(); |
| |
| protected void checkClosed() { |
| if (closed.get()) { |
| throw new IllegalStateException("The test peer is closed"); |
| } |
| } |
| } |