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feat(plc4j) Better handling of timeouts in plc4j (#821).
Signed-off-by: Łukasz Dywicki <luke@code-house.org>
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106 changes: 106 additions & 0 deletions
106
plc4j/spi/src/main/java/org/apache/plc4x/java/spi/internal/DefaultConversationContext.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.internal; | ||
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| import io.netty.channel.Channel; | ||
| import io.netty.channel.ChannelHandlerContext; | ||
| import java.time.Duration; | ||
| import java.util.function.Consumer; | ||
| import org.apache.plc4x.java.api.authentication.PlcAuthentication; | ||
| import org.apache.plc4x.java.spi.ConversationContext; | ||
| import org.apache.plc4x.java.spi.configuration.Configuration; | ||
| import org.apache.plc4x.java.spi.events.ConnectedEvent; | ||
| import org.apache.plc4x.java.spi.events.DisconnectedEvent; | ||
| import org.apache.plc4x.java.spi.events.DiscoveredEvent; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| public class DefaultConversationContext<T1> implements ConversationContext<T1> { | ||
| private final Logger logger = LoggerFactory.getLogger(DefaultConversationContext.class); | ||
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| private final Consumer<HandlerRegistration> handlerRegistrar; | ||
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| private final ChannelHandlerContext channelHandlerContext; | ||
| private final PlcAuthentication authentication; | ||
| private final boolean passive; | ||
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| public DefaultConversationContext(Consumer<HandlerRegistration> handlerRegistrar, | ||
| ChannelHandlerContext channelHandlerContext, | ||
| PlcAuthentication authentication, | ||
| boolean passive) { | ||
| this.handlerRegistrar = handlerRegistrar; | ||
| this.channelHandlerContext = channelHandlerContext; | ||
| this.authentication = authentication; | ||
| this.passive = passive; | ||
| } | ||
| @Override | ||
| public Channel getChannel() { | ||
| return channelHandlerContext.channel(); | ||
| } | ||
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| public PlcAuthentication getAuthentication() { | ||
| return authentication; | ||
| } | ||
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| @Override | ||
| public boolean isPassive() { | ||
| return passive; | ||
| } | ||
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| @Override | ||
| public void sendToWire(T1 msg) { | ||
| logger.trace("Sending to wire {}", msg); | ||
| channelHandlerContext.channel().writeAndFlush(msg); | ||
| } | ||
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| @Override | ||
| public void fireConnected() { | ||
| logger.trace("Firing Connected!"); | ||
| channelHandlerContext.pipeline().fireUserEventTriggered(new ConnectedEvent()); | ||
| } | ||
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| @Override | ||
| public void fireDisconnected() { | ||
| logger.trace("Firing Disconnected!"); | ||
| channelHandlerContext.pipeline().fireUserEventTriggered(new DisconnectedEvent()); | ||
| } | ||
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| @Override | ||
| public void fireDiscovered(Configuration c) { | ||
| logger.trace("Firing Discovered!"); | ||
| channelHandlerContext.pipeline().fireUserEventTriggered(new DiscoveredEvent(c)); | ||
| } | ||
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| @Override | ||
| public SendRequestContext<T1> sendRequest(T1 packet) { | ||
| return new DefaultSendRequestContext<>(handler -> { | ||
| logger.trace("Adding Response Handler ..."); | ||
| handlerRegistrar.accept(handler); | ||
| }, packet, this); | ||
| } | ||
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| @Override | ||
| public ExpectRequestContext<T1> expectRequest(Class<T1> clazz, Duration timeout) { | ||
| return new DefaultExpectRequestContext<>(handler -> { | ||
| logger.trace("Adding Request Handler ..."); | ||
| handlerRegistrar.accept(handler); | ||
| }, clazz, timeout, this); | ||
| } | ||
| } |
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