org.apache.plc4x.java.s7.readwrite.TPKTPacket Maven / Gradle / Ivy

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Implementation of a PLC4X driver for the classic Step7 S7 protocol.
There is a newer version: 0.12.0
/*
  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.
*/

package org.apache.plc4x.java.s7.readwrite;

import static org.apache.plc4x.java.spi.generation.StaticHelper.*;

import org.apache.plc4x.java.s7.readwrite.io.*;
import org.apache.plc4x.java.s7.readwrite.types.*;

import com.fasterxml.jackson.annotation.*;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;
import org.apache.plc4x.java.api.value.*;
import org.apache.plc4x.java.spi.generation.Message;
import org.apache.plc4x.java.spi.generation.MessageIO;

import java.time.*;
import java.util.*;
import java.math.BigInteger;

@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, property = "className")
public class TPKTPacket implements Message {


    // Constant values.
    public static final short PROTOCOLID = 0x03;

    // Properties.
    private final COTPPacket payload;

    @JsonCreator(mode = JsonCreator.Mode.PROPERTIES)
    public TPKTPacket(@JsonProperty("payload") COTPPacket payload) {
        this.payload = payload;
    }

    public COTPPacket getPayload() {
        return payload;
    }

    @Override
    @JsonIgnore
    public int getLengthInBytes() {
        return getLengthInBits() / 8;
    }

    @Override
    @JsonIgnore
    public int getLengthInBits() {
        int lengthInBits = 0;

        // Const Field (protocolId)
        lengthInBits += 8;

        // Reserved Field
        lengthInBits += 8;

        // Implicit Field (len)
        lengthInBits += 16;

        // Simple field (payload)
        lengthInBits += payload.getLengthInBits();

        return lengthInBits;
    }

    public PlcValue toPlcValue() {
        Map fieldValues = new TreeMap<>();

        fieldValues.put("payload", payload.toPlcValue());

        return new PlcStruct(fieldValues);
    }

    @Override
    @JsonIgnore
    public MessageIO getMessageIO() {
        return new TPKTPacketIO();
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof TPKTPacket)) {
            return false;
        }
        TPKTPacket that = (TPKTPacket) o;
        return
            (getPayload() == that.getPayload()) &&
            true;
    }

    @Override
    public int hashCode() {
        return Objects.hash(
            getPayload()
        );
    }

    @Override
    public String toString() {
        return toString(ToStringStyle.SHORT_PREFIX_STYLE);
    }

    public String toString(ToStringStyle style) {
        return new ToStringBuilder(this, style)
            .append("payload", getPayload())
            .toString();
    }

}