package com.persagy.cameractl.controller;

import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;

import com.persagy.cameractl.cvr.HCNetSDK.FRemoteConfigCallBack;
import com.sun.jna.Pointer;

/**
 * 
 * @version 1.0.0
 * @company persagy 
 * @author zhangqiankun
 * @date 2022年6月24日 下午12:48:42
 */
public class RemoteConfigCallBack implements FRemoteConfigCallBack {
	
	private FileOutputStream outputStream;
	
	public RemoteConfigCallBack(FileOutputStream outputStream) {
		this.outputStream = outputStream;
	}
	
	@Override
	public void invoke(int dwType, Pointer lpBuffer, int dwBufLen, Pointer pUserData) {
		long offset = 0;
        ByteBuffer buffers = pUserData.getByteBuffer(offset, dwBufLen);
        byte[] bytes = new byte[dwBufLen];
        buffers.rewind();
        buffers.get(bytes);
        try {
            outputStream.write(bytes);
        } catch (IOException e) {
            e.printStackTrace();
        }
	}

}