package com.intelligt.modbus.jlibmodbus.slave;
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import com.intelligt.modbus.jlibmodbus.exception.ModbusIOException;
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import com.intelligt.modbus.jlibmodbus.net.ModbusConnection;
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import com.intelligt.modbus.jlibmodbus.serial.SerialParameters;
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import com.intelligt.modbus.jlibmodbus.utils.FrameEvent;
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import com.intelligt.modbus.jlibmodbus.utils.FrameEventListener;
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import com.intelligt.modbus.jlibmodbus.utils.SerialPortInfo;
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/*
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* Copyright (C) 2016 "Invertor" Factory", JSC
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* [http://www.sbp-invertor.ru]
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*
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* This file is part of JLibModbus.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Authors: Vladislav Y. Kochedykov, software engineer.
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* email: vladislav.kochedykov@gmail.com
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*/
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class ModbusSlaveSerial extends ModbusSlave {
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final private ModbusConnection conn;
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final private RequestHandler requestHandler;
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final private SerialPortInfo serialPortInfo;
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private Thread mainThread = null;
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ModbusSlaveSerial(SerialParameters serialParameters, ModbusConnection conn) {
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this.conn = conn;
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this.serialPortInfo = new SerialPortInfo(serialParameters);
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this.requestHandler = new RequestHandlerSerial(this, conn);
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}
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@Override
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synchronized public void listenImpl() throws ModbusIOException {
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if (isListening()) {
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shutdown();
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}
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mainThread = new Thread(requestHandler);
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mainThread.start();
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}
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@Override
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synchronized public void shutdownImpl() throws ModbusIOException {
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requestHandler.closeConnection();
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try {
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if (mainThread != null) {
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mainThread.join(getReadTimeout() * 10);
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if (mainThread.isAlive())
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mainThread.interrupt();
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}
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mainThread = null;
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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protected ModbusConnection getConnection() {
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return conn;
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}
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@Override
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void connectionOpened(ModbusConnection connection) {
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super.connectionOpened(connection);
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serialPortInfo.setOpened(true);
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notifyObservers(serialPortInfo);
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}
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@Override
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void connectionClosed(ModbusConnection connection) {
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super.connectionClosed(connection);
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serialPortInfo.setOpened(false);
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notifyObservers(serialPortInfo);
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}
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/* facade */
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@Override
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public void addListener(FrameEventListener listener) {
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getConnection().addListener(listener);
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}
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@Override
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public void removeListener(FrameEventListener listener) {
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getConnection().removeListener(listener);
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}
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@Override
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public void removeListeners() {
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getConnection().removeListeners();
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}
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@Override
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public void fireFrameReceivedEvent(FrameEvent event) {
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getConnection().fireFrameReceivedEvent(event);
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}
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@Override
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public void fireFrameSentEvent(FrameEvent event) {
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fireFrameSentEvent(event);
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}
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@Override
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public int countListeners() {
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return getConnection().countListeners();
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}
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}
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