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fix(plc4j/spi) Make sure OPC UA discover event is fired prior connect…
…ed event. Signed-off-by: Łukasz Dywicki <[email protected]>
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188 changes: 188 additions & 0 deletions
188
...spi/src/test/java/org/apache/plc4x/java/spi/connection/DefaultNettyPlcConnectionTest.java
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| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.apache.plc4x.java.spi.connection; | ||
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| import static java.util.concurrent.ForkJoinPool.commonPool; | ||
| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
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| import io.netty.channel.ChannelPipeline; | ||
| import java.util.List; | ||
| import org.apache.plc4x.java.api.authentication.PlcAuthentication; | ||
| import org.apache.plc4x.java.api.exceptions.PlcConnectionException; | ||
| import org.apache.plc4x.java.api.listener.EventListener; | ||
| import org.apache.plc4x.java.spi.ConversationContext; | ||
| import org.apache.plc4x.java.spi.Plc4xNettyWrapper; | ||
| import org.apache.plc4x.java.spi.Plc4xProtocolBase; | ||
| import org.apache.plc4x.java.spi.configuration.Configuration; | ||
| import org.apache.plc4x.java.spi.generation.Message; | ||
| import org.apache.plc4x.java.spi.netty.NettyHashTimerTimeoutManager; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| class DefaultNettyPlcConnectionTest { | ||
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| private final Logger logger = LoggerFactory.getLogger(DefaultNettyPlcConnectionTest.class); | ||
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| @Test | ||
| void checkInitializationSequence() throws Exception { | ||
| ChannelFactory channelFactory = new TestChannelFactory(); | ||
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| final GateKeeper discovery = new GateKeeper("discovery"); | ||
| final GateKeeper connect = new GateKeeper("connect"); | ||
| final GateKeeper disconnect = new GateKeeper("disconnect"); | ||
| final GateKeeper close = new GateKeeper("close"); | ||
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| ProtocolStackConfigurer<Message> stackConfigurer = new ProtocolStackConfigurer<>() { | ||
| @Override | ||
| public Plc4xProtocolBase<Message> configurePipeline(Configuration configuration, ChannelPipeline pipeline, PlcAuthentication authentication, boolean passive, List<EventListener> listeners) { | ||
| TestProtocolBase base = new TestProtocolBase(discovery, connect, disconnect, close); | ||
| Plc4xNettyWrapper<Message> context = new Plc4xNettyWrapper<>(new NettyHashTimerTimeoutManager(), pipeline, passive, base, authentication, Message.class); | ||
| pipeline.addLast(context); | ||
| return base; | ||
| } | ||
| }; | ||
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| DefaultNettyPlcConnection connection = new PlcConnectionFactory().withDiscovery().create(channelFactory, stackConfigurer); | ||
| commonPool().submit(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| try { | ||
| logger.info("Activating connection"); | ||
| connection.connect(); | ||
| } catch (PlcConnectionException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| }); | ||
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| logger.info("Warming up"); | ||
| expect(false, false, false, false, discovery, connect, disconnect, close); | ||
| discovery.permitIn(); | ||
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| discovery.awaitOut(); | ||
| logger.info("Verify discovery phase completion"); | ||
| expect(true, false, false, false, discovery, connect, disconnect, close); | ||
| connect.permitIn(); | ||
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| connect.awaitOut(); | ||
| logger.info("Verify connection completion"); | ||
| expect(true, true, false, false, discovery, connect, disconnect, close); | ||
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| logger.info("Close connection"); | ||
| commonPool().submit(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| try { | ||
| logger.info("Closing connection"); | ||
| connection.close(); | ||
| } catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| }); | ||
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| disconnect.permitIn(); | ||
| expect(true, true, true, false, discovery, connect, disconnect, close); | ||
| disconnect.awaitOut(); | ||
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| logger.info("Verify connection termination"); | ||
| close.permitIn(); | ||
| expect(true, true, true, true, discovery, connect, disconnect, close); | ||
| close.awaitOut(); | ||
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| logger.info("Connection lifecycle sequence has been confirmed"); | ||
| } | ||
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| private static void expect(boolean discovered, boolean connected, boolean disconnected, boolean closed, | ||
| GateKeeper discovery, GateKeeper connect, GateKeeper disconnect, GateKeeper close) { | ||
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| assertEquals( | ||
| discovered + "," + connected + "," + disconnected + "," + closed, | ||
| (discovery.entered()) + "," + | ||
| (connect.entered()) + "," + | ||
| (disconnect.entered() + "," + | ||
| (close.entered())), | ||
| "Expectation for state flags (discover, connect, disconnect, close) failed" | ||
| ); | ||
| } | ||
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| static class TestProtocolBase extends Plc4xProtocolBase<Message> { | ||
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| private final Logger logger = LoggerFactory.getLogger(TestProtocolBase.class);; | ||
| private final GateKeeper discover; | ||
| private final GateKeeper connect; | ||
| private final GateKeeper close; | ||
| private final GateKeeper disconnect; | ||
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| public TestProtocolBase(GateKeeper discover, GateKeeper connect, GateKeeper disconnect, GateKeeper close) { | ||
| this.discover = discover; | ||
| this.connect = connect; | ||
| this.close = close; | ||
| this.disconnect = disconnect; | ||
| } | ||
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| @Override | ||
| public void onDiscover(ConversationContext<Message> context) { | ||
| logger.info("On Discover"); | ||
| await(discover); | ||
| context.fireDiscovered(null); | ||
| discover.permitOut(); | ||
| } | ||
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| @Override | ||
| public void onConnect(ConversationContext<Message> context) { | ||
| logger.info("On Connect"); | ||
| await(connect); | ||
| super.onConnect(context); | ||
| context.fireConnected(); | ||
| connect.permitOut(); | ||
| } | ||
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| @Override | ||
| public void onDisconnect(ConversationContext<Message> context) { | ||
| logger.info("On Disconnect"); | ||
| await(disconnect); | ||
| super.onDisconnect(context); | ||
| context.fireDisconnected(); | ||
| disconnect.permitOut(); | ||
| } | ||
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| @Override | ||
| public void close(ConversationContext<Message> context) { | ||
| logger.info("On Close"); | ||
| await(close); | ||
| close.permitOut(); | ||
| } | ||
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| private void await(GateKeeper signal) { | ||
| try { | ||
| if (!signal.awaitIn()) { | ||
| throw new RuntimeException("Await for " + signal.gate() + " lock failed"); | ||
| } | ||
| } catch (InterruptedException e) { | ||
| logger.error("Failed to await for a signal " + signal.gate()); | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } | ||
|
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| } |
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