using HighWayIot.Common;
using HighWayIot.Log4net;
using HighWayIot.Rfid.Dto;
using HighWayIot.Rfid.Impl;
using MaterialTraceability.Rfid.Impl;
using System;
using System.Collections;
using System.ComponentModel;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace HighWayIot.Rfid.Impl
{
public enum RecvState
{
//RFly-I160 返回数据 BB DD 00 01 40 41 0D
WaitingBeginChar1_State = 1, //等待接收帧同步字符1 0xBB
WaitingBeginChar2_State = 2, //等待接收帧同步字符2 0xDD
WaitingForBarcodeLength_State = 3, //等待条码长度不固定
WaitingForCode_State = 4, //等待指令编号Code 0x02
WaitingForStus_State = 5, //等待接受状态码 0x00
WaitingForTagCount_State = 6, //等待接受标签组数不固定
WaitingForCount_State = 7, //等待接收第一组标签读取次数 0x01
WaitingForRSSI_State = 8, //等待接收读取信号强度 0xCB
WaitingForAnt_State = 9, //等待接收天线端口 0x01
WaitingForPC1_State = 10, //等待接收EPC区域 0x00
WaitingForPC2_State = 11, //等待接收EPC区域 0x00
WaitingForData_State = 12, //等待接收数据字符
WaitingForXor_State = 13, //等待比对校验位
WaitingForEndChar_State = 14, //等待接收尾字符 0x0D
};
class BgTcpClient : ICommunicateService
{
private LogHelper log = LogHelper.Instance;
private StringChange stringChange = StringChange.Instance;
RecvState enumRecvState = RecvState.WaitingBeginChar1_State;
int m_iPosition = 0;
UInt16 m_iFullMessageLength = 0;
byte m_iVerify = 0;
byte[] m_szFullMessage = new byte[1024]; //此数组用于状态机
int iBarcodeGroupCount = 0; //读取的组数
int iBarcodeLength = 0;//条码长度
int iBarcodeGroupCountFlag = 0;//组数标记
RFly_I160Adapter m_RFly_I160Adapter = null;
private BackgroundWorker m_bgwReceive = new BackgroundWorker();
private BackgroundWorker m_bgwDeal = new BackgroundWorker();
private string m_FsIP = "";
private Int32 m_FnPort = 0;
private Socket m_ClientSock = null;
private ArrayList m_FrecvData = new ArrayList();
private Semaphore m_Fsem = new Semaphore(0, 100000);
private ManualResetEvent Exitevent = new ManualResetEvent(false);
//接收线程
private void bgwReceive_DoWork(object sender, DoWorkEventArgs e)
{
//LogService.Instance.Debug("RFly-I160 进入 bgwReceive_DoWork 线程函数:");
int nPackLen = 1024;
byte[] buff = new byte[nPackLen];
while (true)
{
try
{
if (m_ClientSock != null && m_ClientSock.Connected)
{
int nCount = m_ClientSock.Receive(buff, nPackLen, 0);
if (nCount > 0)
{
log.RfidLog(m_FsIP + ":" + m_FnPort + " RFly-I160接收原始报文:" + bytesToHexStr(buff, nCount));
PareReceiveBufferData(buff, nCount); //调用状态机函数
continue;
}
else //接收错误
{
if (m_ClientSock != null)
{
m_ClientSock.Close();
m_ClientSock = null;
}
e.Cancel = true;
m_Fsem.Release();
}
}
else
{
e.Cancel = true;
if (m_ClientSock != null)
{
m_ClientSock.Close();
m_ClientSock = null;
}
m_Fsem.Release();
return;
}
}
catch (Exception ex)
{
e.Cancel = true;
if (m_ClientSock != null)
{
m_ClientSock.Close();
m_ClientSock = null;
}
log.Error("Socket接收数据线程退出",ex);
m_Fsem.Release();
return;
}
if (this.m_bgwReceive.CancellationPending)
{
e.Cancel = true;
if (m_ClientSock != null)
{
m_ClientSock.Close();
m_ClientSock = null;
}
m_Fsem.Release();
return;
}
}
}
//发送线程(包括接收后的处理)
private void bgwDeal_DoWork(object sender, DoWorkEventArgs e)
{
log.RfidLog("RFly-I160 进入 bgwDeal_DoWork 线程:");
while (true)
{
try
{
m_Fsem.WaitOne();
lock (m_FrecvData)
{
if (m_FrecvData.Count > 0)
{
byte[] buff = (byte[])m_FrecvData[0];
if (m_RFly_I160Adapter != null)
{
m_RFly_I160Adapter.Device_DealValidPack(buff); //处理函数
}
m_FrecvData.RemoveAt(0);
}
}
if (Exitevent.WaitOne(0, false))
{
e.Cancel = true;
log.RfidLog("Socket处理数据线程正常退出");
Exitevent.Reset();
return;
}
}
catch (Exception ex)
{
e.Cancel = true;
log.Error("Socket处理数据异常",ex);
return;
}
if (this.m_bgwDeal.CancellationPending)
{
log.RfidLog("Socket处理数据线程异常退出");
e.Cancel = true;
return;
}
}
}
//发送函数
public bool SendMessage(MessagePack pMessagePack)
{
UInt16 iPos = 0;
byte[] u16byte = new byte[2];
try
{
byte[] SendBuffer = new byte[pMessagePack.m_pData.Length]; //起始字符1
Array.Copy(pMessagePack.m_pData, 0, SendBuffer, iPos, pMessagePack.m_pData.Length); //数据域
log.RfidLog(m_FsIP + ":" + m_FnPort + " RFly-I160发送原始报文:" + bytesToHexStr(SendBuffer, pMessagePack.m_pData.Length));
int nCount = m_ClientSock.Send(SendBuffer, pMessagePack.m_pData.Length, SocketFlags.None);
if (nCount > 0) //发送成功
{
//LogInfo.Fatal("m_ClientSock.Send函数发送成功");
return true;
}
else
{
log.RfidLog("连接已断开,数据发送失败");
return false;
}
}
catch (Exception ex)
{
log.Error("发送报文异常", ex);
return false;
}
}
#region 初始化一套函数
public bool Connect()
{
//连接
try
{
Exitevent.Reset();
if (m_FsIP == "" || m_FnPort == 0)
{
log.RfidLog("IP和端口号不能为空,连接失败");
return false;
}
if (m_ClientSock != null && GetState())
{
log.RfidLog("已经连接了");
return true;
}
m_ClientSock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint iep = new IPEndPoint(IPAddress.Parse(m_FsIP), m_FnPort);
m_ClientSock.Connect(iep);
if (m_ClientSock.Connected)
{
try
{
if (!m_bgwReceive.IsBusy)
{
//启动接收线程
m_bgwReceive.DoWork += new DoWorkEventHandler(bgwReceive_DoWork);
m_bgwReceive.RunWorkerAsync();
}
else
{
log.RfidLog("接收线程正在运行");
}
//启动处理线程
if (!m_bgwDeal.IsBusy)
{
m_bgwDeal.DoWork += new DoWorkEventHandler(bgwDeal_DoWork);
m_bgwDeal.RunWorkerAsync();
}
else
{
log.RfidLog("处理线程正在运行");
}
return true;
}
catch (Exception ex)
{
log.Error("创建后台线程异常 ",ex);
return true;
}
}
else
{
return false;
}
}
catch (Exception ex)
{
log.Error("Socket连接异常 ",ex);
return false;
}
}
public bool DisConnect()
{
try
{
Exitevent.Set();
Thread.Sleep(100);
m_Fsem.Release();
if (m_ClientSock != null)
{
log.Info("关闭Socket连接 ");
m_ClientSock.Disconnect(false);
m_ClientSock.Close();
m_ClientSock = null;
}
return true;
}
catch (Exception ex)
{
log.Error("Socket连接异常 ",ex);
return false;
}
}
public bool GetState()
{
bool bResult = false;
bool blockingState = false;
try
{
if (m_ClientSock != null)
{
blockingState = m_ClientSock.Blocking;
byte[] tmp = new byte[1];
m_ClientSock.Blocking = false;
m_ClientSock.Send(tmp, 0, 0);
bResult = true;
Console.WriteLine("Connected!");
}
else
{
bResult = false;
}
}
catch (SocketException e)
{
// 10035 == WSAEWOULDBLOCK
if (e.NativeErrorCode.Equals(10035))
{
bResult = true;
Console.WriteLine("Still Connected, but the Send would block");
}
else
{
bResult = false;
Console.WriteLine("Disconnected: error code {0}!", e.NativeErrorCode);
}
}
finally
{
if (m_ClientSock != null)
{
m_ClientSock.Blocking = blockingState;
}
}
return bResult;
}
public void Init(string strIp, int iPort, object objetcter)
{
Exitevent.Reset();
m_FsIP = strIp;
m_FnPort = iPort;
m_RFly_I160Adapter = objetcter as RFly_I160Adapter;
}
#endregion
///
/// 状态机函数
///
///
///
public void PareReceiveData(byte[] buffer, int iLen)
{
//LogService.Instance.Debug("RFly-I160进入状态机:");
m_szFullMessage = new byte[iLen];
for (int i = 0; i < iLen; i++)
{
switch (enumRecvState)
{
case RecvState.WaitingBeginChar1_State: //开始接受数据帧1 0xBB
//LogService.Instance.Debug("RFly-I160等待接收帧同步字符WaitingBeginChar1_State:0XBB");
Array.Clear(m_szFullMessage, 0, iLen);//清空为0
if (buffer[i] == 0xBB)
{
//LogService.Instance.Debug("Buffer数据为: " + StringChange.bytesToHexStr(buffer, buffer.Length));
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
enumRecvState = RecvState.WaitingBeginChar2_State;
}
else
{
m_iFullMessageLength = 0;
m_iPosition = 0;
enumRecvState = RecvState.WaitingBeginChar1_State;
}
break;
case RecvState.WaitingBeginChar2_State: //开始接受数据帧1 0xDD
if (buffer[i] == 0xDD)
{
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
enumRecvState = RecvState.WaitingForBarcodeLength_State;
}
else
{
m_iFullMessageLength = 0;
m_iPosition = 0;
enumRecvState = RecvState.WaitingBeginChar1_State;
}
break;
case RecvState.WaitingForBarcodeLength_State: //开始接受数据长度(TagCount - EPC)
m_szFullMessage[m_iPosition] = buffer[i];
iBarcodeLength = buffer[i]; //单组标签:18;两组标签:35
m_iPosition++;
enumRecvState = RecvState.WaitingForCode_State;
break;
case RecvState.WaitingForCode_State: //开始接受指令编号
if (buffer[i] == 0x02)
{
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
enumRecvState = RecvState.WaitingForStus_State;
}
else if (buffer[i] == 0x90) // 如果是心跳BB DD 01 90 00 1F 8E 0D
{
//LogService.Instance.Debug("RFly-I160等待接受WaitingForEndChar_State:温度");
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
enumRecvState = RecvState.WaitingForEndChar_State;
}
else if (buffer[i] == 0xBF) // 如果是心跳BB DD 04 BF 00 00 00 F9 0B 49 0D
{
//LogService.Instance.Debug("RFly-I160等待接受WaitingForEndChar_State:心跳");
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
enumRecvState = RecvState.WaitingForEndChar_State;
}
else
{
m_iFullMessageLength = 0;
m_iPosition = 0;
enumRecvState = RecvState.WaitingBeginChar1_State;
}
break;
case RecvState.WaitingForStus_State: //开始接受状态码
if (buffer[i] == 0x00)
{
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
enumRecvState = RecvState.WaitingForTagCount_State;
}
else if (buffer[i] == 0x40)
{
m_szFullMessage[m_iPosition] = buffer[i];
//LogService.Instance.Debug("RFU620等待接受WaitingForEndChar_State:Noread");
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
m_iPosition = 0;
i = iLen;
enumRecvState = RecvState.WaitingBeginChar1_State;
//LogService.Instance.Debug("RFly-I160状态机结束。");
}
break;
case RecvState.WaitingForTagCount_State: //开始接受标签组数
Array.Copy(buffer, i, m_szFullMessage, m_iPosition, iBarcodeLength);//m_iPosition = 5
byte[] tempData = new byte[iBarcodeLength];
Array.Clear(tempData, 0, iBarcodeLength);
Array.Copy(buffer, i, tempData, 0, iBarcodeLength);
//LogService.Instance.Debug("解析的数据为: " + StringChange.bytesToHexStr(tempData, iBarcodeLength));
//m_szFullMessage[m_iPosition] = buffer[i]; //单组标签:01;两组标签:02
m_iPosition = m_iPosition + iBarcodeLength; //m_iPosition = 39
i = i + iBarcodeLength - 1; //i = 39
enumRecvState = RecvState.WaitingForXor_State;
break;
case RecvState.WaitingForXor_State: //开始比对校验位 Rfly160
byte[] m_CRCVerify = new byte[1024]; //此数组用于校验位计算
Array.Clear(m_CRCVerify, 0, m_CRCVerify.Length);
Array.Copy(m_szFullMessage, 2, m_CRCVerify, 0, iBarcodeLength + 3); //校验位计算是从Length - EPC 结束
m_szFullMessage[m_iPosition] = buffer[i];
m_iVerify = m_szFullMessage[m_iPosition];
if (m_iVerify == CalculateVerify(m_CRCVerify, m_CRCVerify.Length))
{
m_iPosition++;
enumRecvState = RecvState.WaitingForEndChar_State;
}
else //如果校验不成功
{
m_iFullMessageLength = 0;
m_iPosition = 0;
enumRecvState = RecvState.WaitingBeginChar1_State;
}
break;
case RecvState.WaitingForEndChar_State:
if (buffer[0] == 0xBB && buffer[1] == 0xDD && buffer[2] == 0x00 && buffer[3] != 0x90) //此处为Noread数据显示
{
//LogService.Instance.Debug("RFly-I160等待接受WaitingForEndChar_State:Noread");
m_szFullMessage[0] = 0xBB;
m_szFullMessage[1] = 0xDD;
m_szFullMessage[2] = 0x00;
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
m_iPosition = 0;
i = iLen;
enumRecvState = RecvState.WaitingBeginChar1_State;
}
//else if (buffer[i] == 0x00) //获取温度
//{
// m_szFullMessage[3] = 0x00;
// m_iPosition++;
// lock (m_FrecvData)
// {
// m_FrecvData.Add(m_szFullMessage);
// }
// m_Fsem.Release();
//}
else if (buffer[i] == 0x00) //获取温度
{
//m_szFullMessage[3] = 0x90;
//m_iPosition++;
Array.Copy(buffer, 0, m_szFullMessage, 0, 8);
i = 8;
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
//add by wenjy 2022-09-03
//m_iPosition = 0;
//i = iLen;
//enumRecvState = RecvState.WaitingBeginChar1_State;
}
else if (buffer[i] == 0x11)
{
//m_szFullMessage[3] = 0x00;
Array.Copy(buffer, 0, m_szFullMessage, 0, 7);
i = 7;
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
}
else if (buffer[i] == 0x01)
{
//m_szFullMessage[3] = 0x00;
Array.Copy(buffer, 0, m_szFullMessage, 0, 8);
i = 8;
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
}
else if (buffer[0] == 0xBB && buffer[1] == 0xDD && buffer[2] == 0x04 && buffer[3] == 0xBF)
{
m_szFullMessage[3] = 0xBF;
m_iPosition++;
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
}
else
{
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
if (buffer[i] == 0x0D)
{
//LogService.Instance.Debug("RFly-I160准备发送");
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
}
}
m_iPosition = 0;
enumRecvState = RecvState.WaitingBeginChar1_State;
//LogService.Instance.Debug("RFly-I160状态机结束。");
break;
}
}
}
///
/// 状态机函数 Add By WenJy 2022-09-26
///
///
///
public void PareReceiveBufferData(byte[] buffer, int iLen)
{
var bufferStr = stringChange.bytesToHexStr(buffer, iLen);
log.RfidLog(String.Format("进入状态机函数:{0}", bufferStr));
m_szFullMessage = new byte[iLen];
for (int i = 0; i < iLen; i++)
{
switch (enumRecvState)
{
case RecvState.WaitingBeginChar1_State: //开始接受数据帧1 0xBB
Array.Clear(m_szFullMessage, 0, iLen);//清空为0
if (buffer[i] == 0xBB)
{
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
enumRecvState = RecvState.WaitingBeginChar2_State;
}
else
{
m_iFullMessageLength = 0;
m_iPosition = 0;
enumRecvState = RecvState.WaitingBeginChar1_State;
}
break;
case RecvState.WaitingBeginChar2_State: //开始接受数据帧1 0xDD
if (buffer[i] == 0xDD)
{
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
enumRecvState = RecvState.WaitingForBarcodeLength_State;
}
else
{
m_iFullMessageLength = 0;
m_iPosition = 0;
enumRecvState = RecvState.WaitingBeginChar1_State;
}
break;
case RecvState.WaitingForBarcodeLength_State: //开始接受数据长度(TagCount - EPC)
m_szFullMessage[m_iPosition] = buffer[i];
iBarcodeLength = buffer[i]; //单组标签:18;两组标签:35
m_iPosition++;
enumRecvState = RecvState.WaitingForCode_State;
break;
case RecvState.WaitingForCode_State: //开始接受指令编号
if (buffer[i] == 0x02)
{
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
enumRecvState = RecvState.WaitingForStus_State;
}
else if (buffer[i] == 0x90) // 如果是心跳BB DD 01 90 00 1F 8E 0D
{
//LogService.Instance.Debug("RFly-I160等待接受WaitingForEndChar_State:温度");
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
enumRecvState = RecvState.WaitingForEndChar_State;
}
else if (buffer[i] == 0xBF) // 如果是心跳BB DD 04 BF 00 00 00 F9 0B 49 0D
{
//LogService.Instance.Debug("RFly-I160等待接受WaitingForEndChar_State:心跳");
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
enumRecvState = RecvState.WaitingForEndChar_State;
}
else
{
m_iFullMessageLength = 0;
m_iPosition = 0;
enumRecvState = RecvState.WaitingBeginChar1_State;
}
break;
case RecvState.WaitingForStus_State: //开始接受状态码
if (buffer[i] == 0x00)
{
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
enumRecvState = RecvState.WaitingForTagCount_State;
}
else if (buffer[i] == 0x40)
{
m_szFullMessage[m_iPosition] = buffer[i];
//LogService.Instance.Debug("RFU620等待接受WaitingForEndChar_State:Noread");
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
m_iPosition = 0;
i = iLen;
enumRecvState = RecvState.WaitingBeginChar1_State;
//LogService.Instance.Debug("RFly-I160状态机结束。");
}
break;
case RecvState.WaitingForTagCount_State: //开始接受标签组数
Array.Copy(buffer, i, m_szFullMessage, m_iPosition, iBarcodeLength);//m_iPosition = 5
byte[] tempData = new byte[iBarcodeLength];
Array.Clear(tempData, 0, iBarcodeLength);
Array.Copy(buffer, i, tempData, 0, iBarcodeLength);
m_iPosition = m_iPosition + iBarcodeLength; //m_iPosition = 39
i = i + iBarcodeLength - 1; //i = 39
enumRecvState = RecvState.WaitingForXor_State;
break;
case RecvState.WaitingForXor_State: //开始比对校验位 Rfly160
byte[] m_CRCVerify = new byte[1024]; //此数组用于校验位计算
Array.Clear(m_CRCVerify, 0, m_CRCVerify.Length);
Array.Copy(m_szFullMessage, 2, m_CRCVerify, 0, iBarcodeLength + 3); //校验位计算是从Length - EPC 结束
m_szFullMessage[m_iPosition] = buffer[i];
m_iVerify = m_szFullMessage[m_iPosition];
if (m_iVerify == CalculateVerify(m_CRCVerify, m_CRCVerify.Length))
{
m_iPosition++;
enumRecvState = RecvState.WaitingForEndChar_State;
}
else //如果校验不成功
{
m_iFullMessageLength = 0;
m_iPosition = 0;
enumRecvState = RecvState.WaitingBeginChar1_State;
}
break;
case RecvState.WaitingForEndChar_State:
if (buffer[0] == 0xBB && buffer[1] == 0xDD && buffer[2] == 0x00 && buffer[3] != 0x90) //此处为Noread数据显示
{
m_szFullMessage[0] = 0xBB;
m_szFullMessage[1] = 0xDD;
m_szFullMessage[2] = 0x00;
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
m_iPosition = 0;
i = iLen;
enumRecvState = RecvState.WaitingBeginChar1_State;
}
else if (buffer[0] == 0xBB && buffer[1] == 0xDD && buffer[2] == 0x04 && buffer[3] == 0xBF)
{
Array.Copy(buffer, 0, m_szFullMessage, 0, 11);
i = 11;
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
i = iLen;
}
else if (buffer[i] == 0x00) //获取温度
{
Array.Copy(buffer, 0, m_szFullMessage, 0, 8);
i = 8;
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
i = iLen;
}
else if (buffer[i] == 0x11)
{
Array.Copy(buffer, 0, m_szFullMessage, 0, 7);
i = 7;
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
}
else if (buffer[i] == 0x01)
{
Array.Copy(buffer, 0, m_szFullMessage, 0, 8);
i = 8;
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
}
else
{
m_szFullMessage[m_iPosition] = buffer[i];
m_iPosition++;
if (buffer[i] == 0x0D)
{
lock (m_FrecvData)
{
m_FrecvData.Add(m_szFullMessage);
}
m_Fsem.Release();
}
}
m_iPosition = 0;
enumRecvState = RecvState.WaitingBeginChar1_State;
break;
}
}
}
//CRC异或校验
public byte CalculateVerify(byte[] pMessage, int iLength)
{
UInt16 i;
byte iVerify = 0;
iVerify = pMessage[0];
for (i = 1; i < iLength; i++)
{
iVerify = (byte)(iVerify ^ pMessage[i]);
}
return iVerify;
}
private byte[] Swap16Bytes(byte[] OldU16)
{
byte[] ReturnBytes = new byte[2];
ReturnBytes[1] = OldU16[0];
ReturnBytes[0] = OldU16[1];
return ReturnBytes;
}
private string bytesToHexStr(byte[] bytes, int iLen)//e.g. { 0x01, 0x01} ---> " 01 01"
{
string returnStr = "";
if (bytes != null)
{
for (int i = 0; i < iLen; i++)
{
returnStr += bytes[i].ToString("X2");
}
}
return returnStr;
}
}
}