hardware-access/src/main/java/com/netsdk/demo/module/DeviceLogModule.java

package com.netsdk.demo.module;

import com.netsdk.lib.NetSDKLib;
import com.netsdk.lib.ToolKits;
import com.netsdk.lib.enumeration.DH_LOG_QUERY_TYPE;
import com.netsdk.lib.structure.DH_DEVICE_LOG_ITEM_EX;
import com.netsdk.lib.structure.NET_TIME;
import com.netsdk.lib.structure.QUERY_DEVICE_LOG_PARAM;
import com.sun.jna.Memory;
import com.sun.jna.Pointer;
import com.sun.jna.ptr.IntByReference;

import java.nio.charset.Charset;

public class DeviceLogModule {

    public static DH_DEVICE_LOG_ITEM_EX[] getSystemLog(NET_TIME startTime,NET_TIME endTime){
        //查询条件,作为入参
        QUERY_DEVICE_LOG_PARAM param=new QUERY_DEVICE_LOG_PARAM();
        //要查询的日志类型
        param.emLogType= DH_LOG_QUERY_TYPE.DHLOG_ALL.ordinal();

        //通道号
        param.nChannelID=0;
        //开始查询的条数
        param.nStartNum=0;
        //结束查询的条数,30-1+1=30,查询的条数是30条
        param.nEndNum=1024;
        int logNum=param.nEndNum-param.nStartNum+1;
        //日志数据结构体类型,写0 c层可能校验不通过,建议写1，使用DH_DEVICE_LOG_ITEM_EX作为日志数据的结构体，
        // 因为c层对出参buffer长度的校验是以DH_DEVICE_LOG_ITEM_EX结构体长度来校验的
        // 而DH_DEVICE_LOG_ITEM_EX结构体的长度比DH_DEVICE_LOG_ITEM结构体要长得多
        param.nLogStuType=1;
        //要查询的起始时间段
        param.stuStartTime= startTime;
        //要查询的结束时间段
        param.stuEndTime= endTime;

        //入参
        Pointer queryParam=new Memory(param.size());
        ToolKits.SetStructDataToPointer(param,queryParam,0);
        //日志数据结构体
        DH_DEVICE_LOG_ITEM_EX logBuffer=new DH_DEVICE_LOG_ITEM_EX();
        int totalSize = logBuffer.size() * logNum;
        //出参,分配内存
        Pointer pointer=new Memory(totalSize);
        pointer.clear(totalSize);
        //出参,查询到的日志条数
        IntByReference relogNum = new IntByReference(1);
        boolean bSet=LoginModule.netsdk.CLIENT_QueryDeviceLog(LoginModule.m_hLoginHandle,queryParam,pointer,totalSize,relogNum,3000);
        System.out.println("get system log is:"+bSet);
        if(bSet){
            System.out.println("返回的log 条数:"+relogNum.getValue());
            if(relogNum.getValue()>0){
                DH_DEVICE_LOG_ITEM_EX[] arrays=(DH_DEVICE_LOG_ITEM_EX[])new DH_DEVICE_LOG_ITEM_EX().toArray(relogNum.getValue());
                ToolKits.GetPointerDataToStructArr(pointer,arrays);
                for(DH_DEVICE_LOG_ITEM_EX item:arrays){
                    String time=item.getDate();
                    String operator=item.getOperator(Charset.forName("GBK")).trim();
                    String operation=item.getOperation(Charset.forName("GBK")).trim();
                    String log=item.getLog(Charset.forName("GBK")).trim();
                    String detailLog=item.getDetailLog(Charset.forName("GBK")).trim();
                    System.out.println(time+","+operator+","+operation+","+log+","+detailLog+",日志类型:"+item.nLogType);
                }
                return arrays;
            }
        }else{
            System.out.println("get log error: the error code is "+ToolKits.getErrorCodePrint());
        }

        return null;
    }

    public static DH_DEVICE_LOG_ITEM_EX[] getSystemLogV2(NetSDKLib.LLong m_hLoginHandle, NET_TIME startTime, NET_TIME endTime){
        //查询条件,作为入参
        QUERY_DEVICE_LOG_PARAM param=new QUERY_DEVICE_LOG_PARAM();
        //要查询的日志类型
        param.emLogType= DH_LOG_QUERY_TYPE.DHLOG_ALL.ordinal();

        //通道号
        param.nChannelID=0;
        //开始查询的条数
        param.nStartNum=0;
        //结束查询的条数,30-1+1=30,查询的条数是30条
        param.nEndNum=1024;
        int logNum=param.nEndNum-param.nStartNum+1;
        //日志数据结构体类型,写0 c层可能校验不通过,建议写1，使用DH_DEVICE_LOG_ITEM_EX作为日志数据的结构体，
        // 因为c层对出参buffer长度的校验是以DH_DEVICE_LOG_ITEM_EX结构体长度来校验的
        // 而DH_DEVICE_LOG_ITEM_EX结构体的长度比DH_DEVICE_LOG_ITEM结构体要长得多
        param.nLogStuType=1;
        //要查询的起始时间段
        param.stuStartTime= startTime;
        //要查询的结束时间段
        param.stuEndTime= endTime;

        //入参
        Pointer queryParam=new Memory(param.size());
        ToolKits.SetStructDataToPointer(param,queryParam,0);
        //日志数据结构体
        DH_DEVICE_LOG_ITEM_EX logBuffer=new DH_DEVICE_LOG_ITEM_EX();
        int totalSize = logBuffer.size() * logNum;
        //出参,分配内存
        Pointer pointer=new Memory(totalSize);
        pointer.clear(totalSize);
        //出参,查询到的日志条数
        IntByReference relogNum = new IntByReference(1);
        boolean bSet=LoginModule.netsdk.CLIENT_QueryDeviceLog(m_hLoginHandle,queryParam,pointer,totalSize,relogNum,3000);
        System.out.println("get system log is:"+bSet);
        if(bSet){
            System.out.println("返回的log 条数:"+relogNum.getValue());
            if(relogNum.getValue()>0){
                DH_DEVICE_LOG_ITEM_EX[] arrays=(DH_DEVICE_LOG_ITEM_EX[])new DH_DEVICE_LOG_ITEM_EX().toArray(relogNum.getValue());
                ToolKits.GetPointerDataToStructArr(pointer,arrays);
                for(DH_DEVICE_LOG_ITEM_EX item:arrays){
                    String time=item.getDate();
                    String operator=item.getOperator(Charset.forName("GBK")).trim();
                    String operation=item.getOperation(Charset.forName("GBK")).trim();
                    String log=item.getLog(Charset.forName("GBK")).trim();
                    String detailLog=item.getDetailLog(Charset.forName("GBK")).trim();
                    System.out.println(time+","+operator+","+operation+","+log+","+detailLog+",日志类型:"+item.nLogType);
                }
                return arrays;
            }
        }else{
            System.out.println("get log error: the error code is "+ToolKits.getErrorCodePrint());
        }

        return null;
    }
}