package com.intelligt.modbus.jlibmodbus.msg.response;
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import com.intelligt.modbus.jlibmodbus.Modbus;
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import com.intelligt.modbus.jlibmodbus.data.comm.ModbusCommEvent;
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import com.intelligt.modbus.jlibmodbus.exception.ModbusNumberException;
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import com.intelligt.modbus.jlibmodbus.msg.base.ModbusResponse;
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import com.intelligt.modbus.jlibmodbus.net.stream.base.ModbusInputStream;
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import com.intelligt.modbus.jlibmodbus.net.stream.base.ModbusOutputStream;
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import com.intelligt.modbus.jlibmodbus.utils.ModbusFunctionCode;
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import java.io.IOException;
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import java.util.LinkedList;
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import java.util.List;
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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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final public class GetCommEventLogResponse extends ModbusResponse {
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public static final int EVENTS_OFFSET = 6;
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private int status;
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private int eventCount;
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private int messageCount;
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private List<ModbusCommEvent> events = new LinkedList<ModbusCommEvent>();
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public GetCommEventLogResponse() {
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super();
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}
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@Override
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protected void readResponse(ModbusInputStream fifo) throws IOException, ModbusNumberException {
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int byteCount = fifo.read();
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if (byteCount < EVENTS_OFFSET || byteCount > Modbus.MAX_PDU_LENGTH - 2)
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throw new ModbusNumberException("Illegal byte count", byteCount);
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setStatus(fifo.readShortBE());
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setEventCount(fifo.readShortBE());
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setMessageCount(fifo.readShortBE());
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int eventsCount = byteCount - EVENTS_OFFSET;
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if (eventsCount > 0) {
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for (int i = 0; i < eventsCount; i++) {
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events.add(ModbusCommEvent.getEvent(fifo.read()));
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}
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}
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}
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@Override
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protected void writeResponse(ModbusOutputStream fifo) throws IOException {
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fifo.write(EVENTS_OFFSET + events.size());
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fifo.writeShortBE(getStatus());
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fifo.writeShortBE(getEventCount());
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fifo.writeShortBE(getMessageCount());
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for (ModbusCommEvent event : getEventQueue()) {
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fifo.write(event.getEvent());
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}
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}
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@Override
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protected int responseSize() {
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return EVENTS_OFFSET + events.size();
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}
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@Override
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public int getFunction() {
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return ModbusFunctionCode.GET_COMM_EVENT_LOG.toInt();
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}
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public int getStatus() {
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return status;
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}
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public void setStatus(int status) {
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this.status = status;
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}
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public int getEventCount() {
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return eventCount;
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}
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public void setEventCount(int eventCount) {
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this.eventCount = eventCount;
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}
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public List<ModbusCommEvent> getEventQueue() {
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return events;
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}
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public void setEvents(List<ModbusCommEvent> events) {
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this.events = events;
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}
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public int getMessageCount() {
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return messageCount;
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}
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public void setMessageCount(int messageCount) {
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this.messageCount = messageCount;
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}
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}
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