/// <summary>
/// 解释数据包
/// </summary>
/// <param name="obj"></param>
public void AnalyData(HRTCPServer.HRMessagePack msgTran, string ipAddr)
{
if (msgTran.PacketType != 0x1B)
{
return;
}
switch (msgTran.Cmd)
{
case 0x39:
ProcessInventoryReal(msgTran, ipAddr);
break;
default:
break;
}
}
private void ProcessInventoryReal(HRTCPServer.HRMessagePack msgTran, string ipAddr)
{
string strDeviceAddr = "";
int lastRecord;
DateTime lastTime;
DateTime nowTime = DateTime.Now;
if (msgTran.AryData.Length > 3)
{
try
{
int nLength = msgTran.AryData.Length;
int nEpcLength = Convert.ToInt32(msgTran.AryData[0]);
string strEPC = ByteArrayToString(msgTran.AryData, 4, nEpcLength - 4);
string strPC = ByteArrayToString(msgTran.AryData, 2, 2);
strDeviceAddr = string.Format("{0:X2}", msgTran.Opcode);
string strRSSI = "";
double intRSSI = 0;
int RSSI_M, RSSI_E, rssidBm = 0;
rssidBm = msgTran.AryData[1];
RSSI_M = (rssidBm & 0X07);
RSSI_E = (rssidBm & 0XF8);
intRSSI = -(0X6E - 20 * Math.Log10((2 ^ RSSI_E) * (1 + (RSSI_M / 2 ^ 3))));
strRSSI = Convert.ToString(intRSSI).Substring(0, 3) + "dBm";
byte btAntId = msgTran.AryData[nEpcLength];
string StrTime = "";
StrTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); //盘点时间
string strAntId = (btAntId + 1).ToString();
string temRecord = strDeviceAddr + strEPC + StrTime;
string identity = strDeviceAddr + strEPC;
lastRecord = stringContain(temp, identity, index - 1);
/******************************************************************************************/
/**这一段是写入数据库前的必要操作**/
Record rd = new Record();
string strSerialNo = ""; //流水号
string strNow = DateTime.Now.ToString("yyyyMMdd"); //获取当前日期
string strFormer = "";
string strLatter = "";
int number;
/**开始获取流水号**/
strSerialNo = RecordMgr.GetLastNo(); //监控记录表的最后一位流水号
if (strSerialNo != "")
{
strFormer = strSerialNo.Substring(0, 8); //流水号前8位
strLatter = strSerialNo.Substring(8); //流水号后8位
if (strFormer == strNow)
{
number = Convert.ToInt32(strLatter) + 1;
strLatter = string.Format("{0:00000000}", number);
strSerialNo = strNow + strLatter;
}
else
{
strLatter = "00000001";
strSerialNo = strNow + strLatter;
}
}
//用于第一次记录数据
else
{
strLatter = "00000001";
strSerialNo = strNow + strLatter;
}
//开始获取数据
rd.SerialNo = strSerialNo;
rd.EPC = strEPC;
rd.KeepPlace = "";
rd.MtNo = strDeviceAddr;
rd.Time = StrTime;
rd.Activity = "进入";
rd.Processor = 0000;
/********************************************************************************************/
if (strEPC != "00 00 00 00 00 00 00 00 00 00 00 00 " && strEPC != "" && -1 == lastRecord)
{
temp[index] = temRecord;
index = (index + 1) % BUFFSIZE;
/*
* 写入数据库
*/
RecordMgr.AddRecord(rd);
}
if (strEPC != "00 00 00 00 00 00 00 00 00 00 00 00 " && strEPC != "" && lastRecord != -1)
{
lastTime = Convert.ToDateTime(temp[lastRecord].Substring(strDeviceAddr.Length + strEPC.Length, StrTime.Length));
if (timeErr(nowTime, lastTime) > 3)
{
/*
* 写入数据库
*/
RecordMgr.AddRecord(rd);
temp[index] = temRecord;
index = (index + 1) % BUFFSIZE;
}
else
{
temp[index] = temRecord;
index = (index + 1) % BUFFSIZE;
}
}
}
catch (System.Exception ex)
{
//MessageBox.Show(ex.Message);
}
}
}
public void RunReceiveDataCallback(byte[] btAryReceiveData, string ipAddr)
{
byte[] temp = new byte[1];
try
{
int nCount = btAryReceiveData.Length;
byte[] btAryBuffer = new byte[nCount + m_nLenth];
Array.Copy(m_btAryBuffer, btAryBuffer, m_nLenth);
Array.Copy(btAryReceiveData, 0, btAryBuffer, m_nLenth, btAryReceiveData.Length);
//分析接收数据，以0x1B为数据起点，以协议中数据长度为数据终止点
int nIndex = 0; //当数据中存在1B时，记录数据的终止点
int nMarkIndex = 0; //当数据中不存在1B时，nMarkIndex等于数据组最大索引
for (int nLoop = 0; nLoop < btAryBuffer.Length; nLoop++)
{
if (btAryBuffer.Length > nLoop + 6)
{
if (btAryBuffer[nLoop] == 0x1B || btAryBuffer[nLoop] == 0x43)
{
int nLen = Convert.ToInt32(btAryBuffer[nLoop + 4] + btAryBuffer[nLoop + 5] * 256) + 6;
if (nLoop + nLen < btAryBuffer.Length)
{
byte[] btAryAnaly = new byte[nLen + 1];
Array.Copy(btAryBuffer, nLoop, btAryAnaly, 0, nLen + 1);
HRTCPServer.HRMessagePack msgTran = new HRTCPServer.HRMessagePack(btAryAnaly);
if (AnalyCallback != null)
{
AnalyCallback(msgTran, ipAddr);
}
nLoop += nLen;
nIndex = nLoop + 1;
}
else
{
nLoop += nLen;
}
}
else
{
nMarkIndex = nLoop;
}
}
}
if (nIndex < nMarkIndex)
{
nIndex = nMarkIndex + 1;
}
if (nIndex < btAryBuffer.Length)
{
m_nLenth = btAryBuffer.Length - nIndex;
Array.Clear(m_btAryBuffer, 0, 8192);
Array.Copy(btAryBuffer, nIndex, m_btAryBuffer, 0, btAryBuffer.Length - nIndex);
}
else
{
m_nLenth = 0;
}
}
catch (System.Exception ex)
{
}
}
