package com.intelligt.modbus.jlibmodbus.msg.response;
|
|
import com.intelligt.modbus.jlibmodbus.Modbus;
|
import com.intelligt.modbus.jlibmodbus.exception.ModbusNumberException;
|
import com.intelligt.modbus.jlibmodbus.msg.base.ModbusFileRecord;
|
import com.intelligt.modbus.jlibmodbus.msg.base.ModbusResponse;
|
import com.intelligt.modbus.jlibmodbus.net.stream.base.ModbusInputStream;
|
import com.intelligt.modbus.jlibmodbus.net.stream.base.ModbusOutputStream;
|
import com.intelligt.modbus.jlibmodbus.utils.DataUtils;
|
import com.intelligt.modbus.jlibmodbus.utils.ModbusFunctionCode;
|
|
import java.io.IOException;
|
|
/*
|
* Copyright (C) 2016 "Invertor" Factory", JSC
|
* [http://www.sbp-invertor.ru]
|
*
|
* This file is part of JLibModbus.
|
*
|
* Licensed 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.
|
*
|
* Authors: Vladislav Y. Kochedykov, software engineer.
|
* email: vladislav.kochedykov@gmail.com
|
*/
|
final public class WriteFileRecordResponse extends ModbusResponse {
|
|
final static public int READ_SUB_REQ_LENGTH = 7;
|
private ModbusFileRecord record = null;
|
|
public WriteFileRecordResponse() {
|
super();
|
}
|
|
@Override
|
protected void readResponse(ModbusInputStream fifo) throws IOException, ModbusNumberException {
|
int byteCount = fifo.read();
|
if (byteCount > (Modbus.MAX_PDU_LENGTH - 2))
|
throw new ModbusNumberException("Byte count greater than max allowable");
|
if (fifo.read() != ModbusFileRecord.REF_TYPE)
|
throw new ModbusNumberException("Reference type mismatch.");
|
int file_number = fifo.readShortBE();
|
int record_number = fifo.readShortBE();
|
int record_length = fifo.readShortBE();
|
byte[] buffer = new byte[record_length * 2];
|
if (fifo.read(buffer) != buffer.length)
|
throw new ModbusNumberException(record_length + " bytes expected, but not received.");
|
record = new ModbusFileRecord(file_number, record_number, DataUtils.BeToIntArray(buffer));
|
}
|
|
@Override
|
protected void writeResponse(ModbusOutputStream fifo) throws IOException {
|
fifo.write(READ_SUB_REQ_LENGTH + record.getRecordLength() * 2);
|
fifo.write(ModbusFileRecord.REF_TYPE);
|
fifo.writeShortBE(record.getFileNumber());
|
fifo.writeShortBE(record.getRecordNumber());
|
fifo.writeShortBE(record.getRecordLength());
|
fifo.write(DataUtils.toByteArray(record.getRegisters()));
|
}
|
|
public ModbusFileRecord getFileRecord() {
|
return record;
|
}
|
|
public void setFileRecord(ModbusFileRecord record) {
|
this.record = record;
|
}
|
|
@Override
|
protected int responseSize() {
|
return 1 + READ_SUB_REQ_LENGTH * record.getRecordLength() * 2;
|
}
|
|
@Override
|
public int getFunction() {
|
return ModbusFunctionCode.WRITE_FILE_RECORD.toInt();
|
}
|
}
|