java实现海康NVR/DVR设备工作状态获取

package ClientDemo;

import com.sun.jna.NativeLong;
import com.sun.jna.Pointer;
import com.sun.jna.ptr.IntByReference;

import ClientDemo.HCNetSDK.NET_DVR_DEVICEINFO_V30;
import ClientDemo.HCNetSDK.NET_DVR_IPPARACFG;
import ClientDemo.HCNetSDK.NET_DVR_WORKSTATE_V30;

public class Device_demo {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		HCNetSDK sdk = HCNetSDK.INSTANCE;
		if(!sdk.NET_DVR_Init()){
			System.out.println("SDK初始化失败");
			return ;
		}
		NativeLong uid=new  NativeLong(-1);
		NET_DVR_DEVICEINFO_V30 devinfo=new NET_DVR_DEVICEINFO_V30();//设备信息
		String ip="192.168.10.191";
		short port=8000;
		uid=sdk.NET_DVR_Login_V30(ip,port,"admin","hk123456",devinfo);//返回一个用户编号，同时将设备信息写入devinfo
		int Iuid=uid.intValue();
		if(Iuid<0){
			System.out.println("设备注册失败");
			return ;
		}
		NET_DVR_WORKSTATE_V30 devwork=new NET_DVR_WORKSTATE_V30();
		if(!sdk.NET_DVR_GetDVRWorkState_V30(uid, devwork)){
			//返回Boolean值，判断是否获取设备能力
			System.out.println("返回设备状态失败");
		}
		IntByReference ibrBytesReturned = new IntByReference(0);//获取IP接入配置参数
		NET_DVR_IPPARACFG ipcfg=new NET_DVR_IPPARACFG();
		ipcfg.write();
		Pointer lpIpParaConfig =ipcfg.getPointer();
		sdk.NET_DVR_GetDVRConfig(uid,sdk.NET_DVR_GET_IPPARACFG,new NativeLong(0),lpIpParaConfig,ipcfg.size(),ibrBytesReturned);
		ipcfg.read();
		System.out.print("IP地址:"+ip);
		System.out.println("|设备状态："+devwork.dwDeviceStatic);//0正常，1CPU占用率过高，2硬件错误，3未知
		//显示模拟通道
		for(int i=0;i< devinfo.byChanNum;i++){
			System.out.print("Camera"+i+1);//模拟通道号名称
			System.out.print("|是否录像:"+devwork.struChanStatic[i].byRecordStatic);//0不录像，不录像
			System.out.print("|信号状态:"+devwork.struChanStatic[i].bySignalStatic);//0正常，1信号丢失
			System.out.println("|硬件状态:"+devwork.struChanStatic[i].byHardwareStatic);//0正常，1异常			
		}
		sdk.NET_DVR_Logout(uid);
		sdk.NET_DVR_Cleanup();		
	}

}