com.github.xingshuangs.iot.protocol.melsec.model.McMessageReq Maven / Gradle / Ivy

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/*
 * MIT License
 *
 * Copyright (c) 2021-2099 Oscura (xingshuang) 
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.github.xingshuangs.iot.protocol.melsec.model;


import com.github.xingshuangs.iot.common.IObjectByteArray;
import com.github.xingshuangs.iot.common.buff.ByteWriteBuff;
import com.github.xingshuangs.iot.protocol.melsec.enums.EMcFrameType;
import lombok.Data;

/**
 * 请求消息
 *
 * @author xingshuang
 */
@Data
public class McMessageReq implements IObjectByteArray {

    /**
     * 请求头
     */
    private McHeaderReq header;

    /**
     * 请求体，数据
     */
    private McData data;

    public McMessageReq() {
    }

    public McMessageReq(McHeaderReq header, McData data) {
        this.header = header;
        this.data = data;
    }

    @Override
    public int byteArrayLength() {
        return this.header.byteArrayLength() + this.data.byteArrayLength();
    }

    @Override
    public byte[] toByteArray() {
        return ByteWriteBuff.newInstance(this.byteArrayLength(), true)
                .putBytes(this.header.toByteArray())
                .putBytes(this.data.toByteArray())
                .getData();
    }

    /**
     * 自我校验，主要核对数据长度
     */
    public void selfCheck() {
        if(this.header.getFrameType()== EMcFrameType.FRAME_1E){
            return;
        }
        McHeader3EReq header3EReq = (McHeader3EReq)this.header;
        header3EReq.dataLength = 2 + this.data.byteArrayLength();
    }
}