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Frame.cpp
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1578 lines (1485 loc) · 39.8 KB
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// Frame.cpp: implementation of the CFrame class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "SID_2FY.h"
#include "midSerialLib.h"
//#include "Frame.h"
#include "dMessageBox.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
extern CMySID_2FYApp theApp;
//BOOL CFrame::m_linkStatus = FALSE;
HANDLE m_hCom=NULL;
CString strPort=_T("");
CComService CFrame::m_WaveCom;
CComService CFrame::m_ParaCom;
CComService CFrame::m_EventCom;
CComService CFrame::m_RealCom;
CComService CFrame::m_TelCom;
CComService CFrame::m_SyncCom;
CString CFrame::m_strIPAdress;
unsigned short CFrame::GetCks(const unsigned char *frame, int size)
{
unsigned short re=0;
if(size<9)
{
return 257;
}
for(int i=4;i<size-2;i++)
{
re+=frame[i];
}
re=re<<8;
re=re>>8;
return re;
}
//nFlag 可以QUERY_SUMARY或QUERY_WARE_DATA,size表示帧长度(从FRAME_HEAD 到FRAME_TRAIL包含端点的字节数),
//传入时为最大帧长度,传出时表示实际帧长度,如何frame不够大,将发生错误
//frame表示指向整个帧的指针
//当nFlag为QUERY_WARE_DATA时,happentime、type、pieceNum都必需设置,对于type必为小于32字节,并且无内容的部分全是0
//制造和发送帧
unsigned char * CFrame::MadeSendFrame(CComService & comService,ServerFrame *pServerFrame)
{
comService.m_frameCount++;
memset(comService.m_sendFrame,0,sizeof(comService.m_sendFrame));
BYTE * pSendFrame = comService.m_sendFrame; //发送下位机内容
int & nSendFrameSize = comService.m_nSendFrameSize;
pSendFrame[0]=FRAME_HEAD;
pSendFrame[1]=0;//初始化LengthL和LengthH为0
pSendFrame[2]=0;
pSendFrame[3]=FRAME_HEAD;
pSendFrame[4]=comService.m_frameCount;
pSendFrame[5]=comService.m_frameCount>>8;
pSendFrame[6]=pServerFrame->nFlag; //nFlag消息号
CString info;
info.LoadString( IDS_FRAME_INFO );
switch(pServerFrame->nServerType)
{
case SERVER_EVENT:
{
switch(pServerFrame->nFlag)
{
case QUERY_DEVICE_TYPE:
case QUERY_EVENT_SUMMARY:
{
nSendFrameSize=9;
pSendFrame[1]=3;
break;
}
case QUERY_EVENT_DATA:
{
nSendFrameSize=12;
pSendFrame[1]=6;
pSendFrame[7]=pServerFrame->queryFrame.eventData.eventType;
pSendFrame[8]=(BYTE)pServerFrame->queryFrame.eventData.eventStartIndex;
pSendFrame[9]=pServerFrame->queryFrame.eventData.eventStartIndex>>8;
break;
}
default:
{
CdMessageBox box( theApp.m_pMainWnd, info );
box.MsgBoxEx();
return NULL;
}
}
break;
}
case SERVER_PARA:
{
switch(pServerFrame->nFlag)
{
case QUERY_DEVICE_TYPE:
case QUERY_PARA_COUNT: //查询定值数目
case QUERY_PARA_AREA_NUM: //查询当前定值区号
case QUERY_SYS_PARA_COUNT: //查询系统定值的数目
case QUERY_SYS_PARA_DEVICE_RESET:
case QUERY_SYS_PARA_SAVE_PARA: //固化系统定值
{
nSendFrameSize=9;
pSendFrame[1]=3;
break;
}
case QUERY_PARA_SAVE_AREA_PARA:
{
nSendFrameSize=10;
pSendFrame[1]=4;
pSendFrame[7]=pServerFrame->queryFrame.nQueryOrSaveParaArea;
break;
}
case QUERY_PARA_AREA_TRANSFER:
{
nSendFrameSize=11;
pSendFrame[1]=5;
pSendFrame[7]=pServerFrame->queryFrame.nQueryOrSaveParaArea;
pSendFrame[8]=~pSendFrame[7];
break;
}
case QUERY_PARA_DATA:
{
nSendFrameSize=12;
pSendFrame[1]=6;
pSendFrame[7]=pServerFrame->queryFrame.queryPara.nAreaNum;
pSendFrame[8]=(BYTE)pServerFrame->queryFrame.queryPara.nParaNum;
pSendFrame[9]=(BYTE)(pServerFrame->queryFrame.queryPara.nParaNum>>8);
break;
}
case QUERY_SYS_PARA_DATA:
{
nSendFrameSize=11;
pSendFrame[1]=5;
ASSERT(0xff == pServerFrame->queryFrame.queryPara.nAreaNum);
pSendFrame[7]=(BYTE)pServerFrame->queryFrame.queryPara.nParaNum;
pSendFrame[8]=(BYTE)(pServerFrame->queryFrame.queryPara.nParaNum>>8);
break;
}
case QUERY_PARA_SET_AREA_PARA:
{
ASSERT(!(pServerFrame->queryFrame.setPara.nBufSize%2));
nSendFrameSize=10+pServerFrame->queryFrame.setPara.nBufSize;
ASSERT(nSendFrameSize<MAX_FRAME_SIZE);
int length=4+pServerFrame->queryFrame.setPara.nBufSize;
pSendFrame[1]=(BYTE)length;
pSendFrame[2]=length>>8;
pSendFrame[7]=pServerFrame->queryFrame.setPara.nAreaNum;
memcpy(pSendFrame+8,pServerFrame->queryFrame.setPara.pParaBuf,pServerFrame->queryFrame.setPara.nBufSize);
break;
}
case QUERY_SYS_PARA_SET_PARA:
{
ASSERT(!(pServerFrame->queryFrame.setPara.nBufSize%2));
nSendFrameSize=9+pServerFrame->queryFrame.setPara.nBufSize;
ASSERT(nSendFrameSize<MAX_FRAME_SIZE);
int length=3+pServerFrame->queryFrame.setPara.nBufSize;
pSendFrame[1]=(BYTE)length;
pSendFrame[2]=length>>8;
memcpy(pSendFrame+7,pServerFrame->queryFrame.setPara.pParaBuf,pServerFrame->queryFrame.setPara.nBufSize);
break;
}
default:
{
CdMessageBox box( theApp.m_pMainWnd, info );
box.MsgBoxEx();
return NULL;
}
}
break;
}
case SERVER_REAL:
{
switch(pServerFrame->nFlag)
{
case QUERY_DEVICE_TYPE:
case QUERY_REAL_DATA:
{
nSendFrameSize=9;
pSendFrame[1]=3;
break;
}
default:
{
CdMessageBox box( theApp.m_pMainWnd, info );
box.MsgBoxEx();
return NULL;
}
}
break;
}
case SERVER_WARE:
if((pServerFrame->nFlag - QUERY_WARE_SUMMARY)%0x10 == 0)
{
nSendFrameSize=9;
pSendFrame[1]=3;
break;
}
switch(pServerFrame->nFlag)
{
case QUERY_DEVICE_TYPE:
{
nSendFrameSize=9;
pSendFrame[1]=3;
break;
}
case QUERY_WARE_DATA:
{
pSendFrame[1]=45;
memcpy(pSendFrame+7,pServerFrame->queryFrame.wareData.happenTime,8);
memcpy(pSendFrame+15,pServerFrame->queryFrame.wareData.strStartType,
strlen(pServerFrame->queryFrame.wareData.strStartType)+1);
pSendFrame[47]=(BYTE)pServerFrame->queryFrame.wareData.nPieceNum;
pSendFrame[48]=(BYTE)(pServerFrame->queryFrame.wareData.nPieceNum>>8);
nSendFrameSize=51;
break;
}
default:
{
CdMessageBox box( theApp.m_pMainWnd, info );
box.MsgBoxEx();
return NULL;
}
break;
}
case SERVER_TEL:
{
switch(pServerFrame->nFlag)
{
case QUERY_TEL_CONTROL:
pSendFrame[1]=4;
nSendFrameSize = 10;
pSendFrame[7] = pServerFrame->queryFrame.nTelConCode;
break;
}
break;
}
case SERVER_SYNC:
{
switch(pServerFrame->nFlag)
{
case QUERY_SYNC_REAL_DATA:
pSendFrame[1]=3;
nSendFrameSize = 9;
break;
case QUERY_SYNC_STATE_HEAD:
pSendFrame[1]=4;
nSendFrameSize = 10;
pSendFrame[7] = pServerFrame->queryFrame.nStartIndOfStateHead;
break;
case QUERY_SYNC_STATE_COUNT:
pSendFrame[1]=3;
nSendFrameSize = 9;
break;
}
break;
}
}
pSendFrame[nSendFrameSize-2]=(unsigned char)GetCks(pSendFrame,nSendFrameSize); //计算出来的较验和为QUERY
pSendFrame[nSendFrameSize-1]=FRAME_TRAIL; //帧尾码
return pSendFrame;
}
//求故障录波总数目count,如果frame不是QUERY_SUMMARY,返回-1
int CFrame::GetWareStartTypeCount()
{
BYTE *pRecvFrame =m_WaveCom.m_recvFrame;
if(pRecvFrame[6]!=QUERY_WARE_SUMMARY) return -1;
return pRecvFrame[7];
}
//先判断是否出错,如果出错,返回0,没有出错,返回帧类型
unsigned char CFrame::GetFrameType(const CComService & comService,const unsigned char *frame, int size)
{
unsigned short temp= GetCks(frame,size);
//较验出错
if(temp>255)
{
return 0;
}
if(frame[size-2]!=(unsigned char)temp)
{
return 0;
}
//不是当前所等待的数据帧
if(!IsCurrentFrame(comService,frame,size))
{
return 0;
}
return frame[6];
}
unsigned short CFrame::GetCurBlockCount()
{
unsigned short re;
BYTE *pRecvFrame = m_WaveCom.m_recvFrame;
re=pRecvFrame[8];
re=re<<8;
re+=pRecvFrame[7];
return re;
}
// Event & CFrame::GetEvent(Event & event,int index,unsigned char * frame,int size)
// {
// event.eventName=_T("");
// size=size-2;
// int curPos=8+index*40;
// if((curPos+40)>size)
// {
// return event;
// }
// char name[32];
// unsigned char time[8];
// memcpy(name,frame+curPos,sizeof(name));
// memcpy(time,frame+curPos+sizeof(name),sizeof(time));
// event.eventName=(CString)name;
// int year=((CTime)CTime::GetCurrentTime()).GetYear();
// year=year/100*100;
// year+=time[0]; //获取年份
// CTime tempTime(year,time[1],time[2],time[3],time[4],time[5]);
// event.milliSecond=time[7];
// event.milliSecond<<=8;
// event.milliSecond+=time[6];
// event.happenTime=tempTime;
// return event;
// }
//判断是否为当前的要接收的数据帧,这个函数一般在较验数据帧无误后判断
//调用的前提是数据帧较验无误
BOOL CFrame::IsCurrentFrame(const CComService & comService,const unsigned char *frame, int size)
{
unsigned short frameCount=0;
frameCount=frame[5];
frameCount <<= 8;
frameCount += frame[4];
if(frameCount==comService.m_frameCount)
{
return TRUE;
}
return FALSE;
}
UINT CFrame::GetFileLength()
{
UINT re=0;
BYTE *pRecvFrame = m_WaveCom.m_recvFrame;
ASSERT(pRecvFrame[6]==QUERY_WARE_DATA);
re= *((UINT *)(pRecvFrame + 9));
return re;
}
int CFrame::GetBlock(unsigned char * file,UINT & fileLength,ServerFrame *pServerFrame)
{
ASSERT(pServerFrame->nServerType==SERVER_WARE);
ASSERT(pServerFrame->nFlag==QUERY_WARE_DATA);
int re;
re=SendAndRecvFrame(pServerFrame);
if(re)
{
// m_linkStatus=false;
return (0-re);
}
if(pServerFrame->queryFrame.wareData.nPieceNum!=CFrame::GetCurBlockCount())
{
//数据块号不对
return (0-ERROR_LAWPC_ERROR);
}
//curFilePos将要写的文件位置
int curFilePos=BLOCK_SIZE*pServerFrame->queryFrame.wareData.nPieceNum;
if(pServerFrame->queryFrame.wareData.nPieceNum==0)
{
fileLength=CFrame::GetFileLength();
}
else if(fileLength!=GetFileLength())
{
//请求的录波数据,在下位机的已丢失
return (0-ERROR_WARE_DATA_LOST);
}
if(fileLength<=curFilePos)
{
//下位机分块出错
return (0-ERROR_LAWPC_ERROR);
}
BYTE * pRecvFrame = m_WaveCom.m_recvFrame;
short &nRecvFrameSize = m_WaveCom.m_nRecvFrameSize;
int blockLength=nRecvFrameSize-15;
memcpy(file+curFilePos,pRecvFrame+13,blockLength);
curFilePos+=blockLength;
pServerFrame->queryFrame.wareData.nPieceNum++;
re = curFilePos*100/fileLength;
// if(DoubleCmp(d1-re-1) == 0)
// {
// re++;
// }
if (re>100)
{
re = 100;
}
return re;
}
/*************************************************************
函数名:IsValidFile
描述:校验文件是否合法
参数:file[in]:校验的文件内容,文件长度
返回值:True合法,False不合法
*************************************************************/
BOOL CFrame::IsValidFile(unsigned char * file,UINT size)
{
UINT cks1=0,cks2=0;
cks1 = *((UINT *)(file+size-4));
int i=0,top=size-4;
for(i=0;i<top;i++)
{
cks2 += file[i];
}
if(cks1==cks2)
{
return TRUE;
}
return FALSE;
}
void CFrame::CloseConnection()
{
CNetSocket::m_udpNetWork.CableConfig(false);
CUSBSocket::m_usbMidWare->CableConfig(false);
/*if (m_strIPAddr != _T("USB"))
{
closesocket(m_sockForLawPC);
WSACloseEvent(m_wEvent);
m_sockForLawPC=INVALID_SOCKET;
}
else if (m_strIPAddr = _T("USB"))
{
CloseMidSerial();
}*/
}
/************************************************************
函数名称:OpenConnection
简要描述: 打开连接,注意,打开连接成功不代表可以通信成功
参数:
comType 连接类型
strIPAddr 只有当连接类型为网络UDP时才有效,表示IP地址
返回值:
TRUE 表示打开连接成功
FALSE 表示打开连接失败
修改日志:无
************************************************************/
BOOL CFrame::OpenConnection(ComType comType,const CString & strIPAddr)
{
CNetSocket::m_udpNetWork.CableConfig(true);
CUSBSocket::m_usbMidWare->CableConfig(true);
BOOL re = FALSE;
switch(comType)
{
case EN_USBMW:
if(m_EventCom.OpenService(comType,USBMW_EVENT_PORT) &&
m_WaveCom.OpenService(comType,USBMW_WARE_PORT) &&
m_ParaCom.OpenService(comType,USBMW_PARAM_PORT) &&
m_RealCom.OpenService(comType,USBMW_REAL_PORT) &&
m_TelCom.OpenService(comType,USBMW_TEL_PORT) &&
m_SyncCom.OpenService(comType,USBMW_SYNC_PORT))
{
re = TRUE;
}
break;
case EN_NETUDP:
if(m_EventCom.OpenService(comType,NET_UDP_EVENT_PORT) &&
m_WaveCom.OpenService(comType,NET_UDP_WARE_PORT) &&
m_ParaCom.OpenService(comType,NET_UDP_PARAM_PORT) &&
m_RealCom.OpenService(comType,NET_UDP_REAL_PORT) &&
m_TelCom.OpenService(comType,NET_UDP_TEL_PORT) &&
m_SyncCom.OpenService(comType,NET_UDP_SYNC_PORT))
{
re = SetIPAddr(strIPAddr);
}
break;
}
return re;
}
/************************************************************
函数名称:SetIPAddr
简要描述: 设置IP地址,注意,如果正在使用USB进行数据通信将返回
false
参数:
str IP地址字符串,用点分十进制表示,如192.168.1.122
返回值:
true IP地址设置成功
false IP地址设置失败
修改日志:无
************************************************************/
bool CFrame::SetIPAddr(const CString & str)
{
switch(m_WaveCom.GetComType())
{
case EN_NETUDP:
return CNetSocket::m_udpNetWork.SetIPAddr(str);
}
return false;
}
int CFrame::PollingCommunicate(CComService & comService)
{
int timeOutTimes;
// if ( theApp.m_bRestart )
// {
// timeOutTimes=0;
// }
// else
{
timeOutTimes = 2;
}
bool isReSend = true, isSendOk = false;
do
{
//发送和接收数据
if( isReSend )
{
isSendOk = comService.SendData() ;
isReSend = true; //重发
}
if( isSendOk && true == comService.RecvData(RECV_TIMEOUT) )
{
if ( TRUE == IsCurrentFrame( comService, comService.m_recvFrame, comService.m_nRecvFrameSize ) )
{
break;
}
isReSend = false;
}
if (m_strIPAdress == _T("USB"))
{
if (!CUSBSocket::m_usbMidWare->ResetUSBMidWare())
{
timeOutTimes = RETRY_TIMES;
break;
}
}
timeOutTimes++;
} while (timeOutTimes < RETRY_TIMES); //通信时数据的接收超时次数不允许超过几(5)次
if(timeOutTimes>=RETRY_TIMES)
{
return ERROR_RECV_TIMEOUT;
}
// if(!CFrame::IsCurrentFrame(comService,comService.m_recvFrame,comService.m_nRecvFrameSize))
// {
// timeOutTimes++;
// goto ReTray;
// }
return 0;
}
int CFrame::ValidateFrame(const CComService &comservice,UINT nFlag)
{
const BYTE *pRecvFrame = comservice.m_recvFrame;
const short & nRecvFrameSize = comservice.m_nRecvFrameSize;
UINT nTempFlag=(UINT)GetFrameType(comservice,pRecvFrame,nRecvFrameSize);
if(nFlag != nTempFlag)
{
switch(nTempFlag)
{
case QUERY_NO_TYPE_SERVER:
return ERROR_NO_TYPE_SERVER;
case QUERY_NO_TYPE_FRAME:
return ERROR_NO_TYPE_FRAME;
case QUERY_DEVICE_BUSY:
return ERROR_DEVICE_BUSY;
default:
{
return ERROR_RECV_DATA_ERROR;
}
}
}
if(pRecvFrame[nRecvFrameSize-2] != GetCks(pRecvFrame,nRecvFrameSize))
{
return ERROR_LAWPC_ERROR;
}
return 0;
}
/************************************************************
函数名称:SendAndRecvFrame
简要描述: 实现数据的接收和发送,先发送请求帧,再等待数据接收
此函数将阻塞调用线程,直到接收到数时,或超过RECV_TIMEOUT
ms时长
参数:
ServerFrame 请求服务的数据帧的定义结构体
返回值:
0 数据通信成功
ERROR_SEND_FAILED 0X01 //发送数据帧失败
ERROR_RECV_TIMEOUT 0X02 //接收数据帧超时
ERROR_RECV_ERROR 0X03 //接收数据出错
ERROR_NO_TYPE_SERVER 0X04 //装置不支持这种服务
ERROR_NO_TYPE_FRAME 0X05 //装置不支持这种命令帧
ERROR_DEVICE_BUSY 0X06 //装置忙
ERROR_RECV_FAILED 0X07 //接成数据失败
ERROR_RECV_DATA_ERROR 0X08 //接收到的数据包出错
ERROR_BIND_SOCK_FAILED 0X09 //绑定端口失败
ERROR_WARE_DATA_LOST 0X0A //正在提取的录波文件在装置上丢失
ERROR_LAWPC_ERROR 0X0B //下位机传送的数据出错
修改日志:无
************************************************************/
int CFrame::SendAndRecvFrame(ServerFrame * pServerFrame)
{
CComService *pComService;
switch(pServerFrame->nServerType)
{
case SERVER_WARE:
pComService = &m_WaveCom;
break;
case SERVER_EVENT:
pComService = &m_EventCom;
break;
case SERVER_PARA:
pComService = &m_ParaCom;
break;
case SERVER_REAL:
pComService = &m_RealCom;
break;
case SERVER_TEL:
pComService = &m_TelCom;
break;
case SERVER_SYNC:
pComService = &m_SyncCom;
break;
}
MadeSendFrame(*pComService,pServerFrame);
int re;
if(re=PollingCommunicate(*pComService))
{
CloseConnection();
return ERROR_COMMUNICATE;
}
if(re=ValidateFrame(*pComService,pServerFrame->nFlag)) //验证帧
{
return ERROR_VALIDATE;
}
return SUCCESS_COMMUNICATE;
}
/********************************************************************
函数名:RecvEvent
描述:向下位机查询事件数据
参数:nEventTypeNum:事件类型序号,nEventStartIndex从第几个开始取
返回:本帧接收到了事件的个数,如果接收失败,返回0
修改记录:
********************************************************************/
int CFrame::RecvEvent(BYTE nEventTypeNum, unsigned short nEventStartIndex, unsigned short nMaxEventNum)
{
ASSERT(nEventStartIndex<nMaxEventNum);
ServerFrame serverFrame;
memset(&serverFrame,0,sizeof(serverFrame));
serverFrame.nFlag=QUERY_EVENT_DATA;
serverFrame.nServerType=SERVER_EVENT;
serverFrame.queryFrame.eventData.eventType=nEventTypeNum;
serverFrame.queryFrame.eventData.eventStartIndex=nEventStartIndex;
int re=SendAndRecvFrame(&serverFrame);
if(re)
{
// m_linkStatus = FALSE;
return 0;
}
return m_EventCom.m_recvFrame[8];
}
BOOL CFrame::SaveEventToAccess()
{
CAdoRecordset record;
ServerFrame serverFrame;
serverFrame.nFlag=QUERY_EVENT_SUMMARY;
serverFrame.nServerType=SERVER_EVENT;
int i,re=SendAndRecvFrame(&serverFrame);
//提取事件概览失败
if(re)
{
// m_linkStatus=false;
return FALSE;
}
BYTE bufSummary[1000];
memset(bufSummary,0,sizeof(bufSummary));
int nEventTypeCount;
BYTE *pRecvFrame = m_EventCom.m_recvFrame;
short &nRecvFrameSize = m_EventCom.m_nRecvFrameSize;
nEventTypeCount=pRecvFrame[7];
ASSERT(nRecvFrameSize==(nEventTypeCount*3+10));
memcpy(bufSummary,pRecvFrame+8,3*nEventTypeCount);
for(i=0;i<nEventTypeCount;i++)
{
int bufPos=i*3;
BYTE nEventTypeNum=bufSummary[bufPos];
unsigned short nEventStartIndex=0;
unsigned short nEventMaxCount = bufSummary[bufPos+2];
nEventMaxCount<<=8;
nEventMaxCount+=bufSummary[bufPos+1];
BYTE nEventCountOfFrame;
do
{
nEventCountOfFrame = RecvEvent(nEventTypeNum,nEventStartIndex,nEventMaxCount);
if(0 == nEventCountOfFrame)
{
return FALSE;
}
BYTE j;
UINT nFramePos=9;
EventData eventData;
for(j=0;j<nEventCountOfFrame;j++)
{
if(!GetEventDataFromFrame(nFramePos,&eventData))
{
return FALSE;
}
CString sql;
sql.Format(_T("select * from event where EventName='%s' and EventType='%s' and DATEDIFF('s','%s',HappenTime)=0 and Millisecond=%d"),
eventData.strEventName,eventData.strEvnetType,eventData.happentTime.Format(_T("%Y-%m-%d %H:%M:%S")),
eventData.nMilliSecond);
if(record.IsOpen())
{
record.Close();
}
if(record.Open(sql,theApp.m_adoDatabase,adLockOptimistic))
{
if(record.IsEOF())
{
record.AddNew();
record[_T("EventName")]=eventData.strEventName;
record[_T("EventType")]=eventData.strEvnetType;
record[_T("Param")]=eventData.strExtendContent;
record[_T("HappenTime")]=eventData.happentTime;
record[_T("Millisecond")]=eventData.nMilliSecond;
try
{
record.Update();
}
catch (...)
{
CString info;
info.LoadString( IDS_ADDEVENT_ERROR );
CdMessageBox box( theApp.m_pMainWnd, info);
box.MsgBoxEx();
}
}
}
}
if(record.IsOpen())
{
record.Close();
}
ASSERT((nFramePos+2)==nRecvFrameSize);
nEventStartIndex+=nEventCountOfFrame;
} while ((nEventCountOfFrame!=0) && (nEventStartIndex<nEventMaxCount));
}
return TRUE;
}
/**************************************************************************
函数名:GetEventDataFromFrame
描述:从下位机发来的帧中从nFramePos位置开始,取一个事件
参数:nFramePos:[in/out]开始取事件的位置,out下一个事件开始位置;
pEventData:[out]取出的事件
返回:是否获取事件成功
修改时间:
**************************************************************************/
BOOL CFrame::GetEventDataFromFrame(UINT & nFramePos,EventData *pEventData)
{
BYTE lenOfEvent;
char buf[255];
UINT curPos=nFramePos;
BYTE *pRecvFrame = m_EventCom.m_recvFrame;
short &nRecvFrameSize = m_EventCom.m_nRecvFrameSize;
lenOfEvent=pRecvFrame[curPos];
curPos++;
ASSERT((nFramePos+lenOfEvent)<nRecvFrameSize);
if(!TransferTime(TRUE,pRecvFrame+curPos,pEventData->happentTime,pEventData->nMilliSecond))
{
return FALSE;
}
curPos+=8;
//事件类型
BYTE len=pRecvFrame[curPos];
curPos++;
memset(buf,0,sizeof(buf));
memcpy(buf,pRecvFrame+curPos,len);
pEventData->strEvnetType=buf;
//事件名称
curPos+=len;
memset(buf,0,sizeof(buf));
len=pRecvFrame[curPos];
curPos++;
memcpy(buf,pRecvFrame+curPos,len);
curPos+=len;
pEventData->strEventName=buf;
//扩展内容
len=pRecvFrame[curPos];
memset(buf,0,sizeof(buf));
curPos++;
memcpy(buf,pRecvFrame+curPos,len);
pEventData->strExtendContent=buf;
curPos+=len;
ASSERT((curPos - nFramePos) == lenOfEvent);
nFramePos=curPos;
return TRUE;
}
/************************************************************
函数名称:TransferTime
简要描述: 实现时间(COleDataTime)与字节时间(录波文件中定义
的时间格式)之间的相互转化
参数:
direction 时间转化的方向:
TRUE data -> happenTime和nMillisecond
FALSE happenTime和nMillisecond -> data
date 字节时间,长度为8个字节
happenTime COleDataTime时间
nMillisecond happenTime的毫秒部分
返回值:
TRUE 转化成功
FALSE 转化失败
修改日志:无
************************************************************/
BOOL CFrame::TransferTime(BOOL direction, BYTE *date,
COleDateTime &happenTime, unsigned short &nMillisecond)
{
int dateTime[6];
if(direction)
{
//从date-》happenTime和nMillisecond
dateTime[0]=(int)BASE_YEAR+date[0];
dateTime[1]= date[1];
dateTime[2]= date[2];
dateTime[3]= date[3];
dateTime[4]= date[4];
dateTime[5]= date[5];
if(happenTime.SetDateTime(dateTime[0],dateTime[1],dateTime[2],dateTime[3],dateTime[4],dateTime[5]))
{
return FALSE;
}
nMillisecond= *((unsigned short *)(date + 6));
}
else
{
date[0]=(BYTE)(happenTime.GetYear()-BASE_YEAR);
date[1]=(BYTE)happenTime.GetMonth();
date[2]=(BYTE)happenTime.GetDay();
date[3]=(BYTE)happenTime.GetHour();
date[4]=(BYTE)happenTime.GetMinute();
date[5]=(BYTE)happenTime.GetSecond();
*((unsigned short *)(date + 6))=nMillisecond;
}
return TRUE;
}
/***************************************************************************
函数名:GetRealData
描述:加载实测数据
参数:pRealData[in/out]:从下位机获取到的实测数据表
返回:成功:TRUE,否则FALSE
修改记录:
****************************************************************************/
BOOL CFrame::GetRealData(MapRealData * pRealData)
{
//nCurCount 表示当前装置的实测数据
//nCruNum 表示当前更新到的实测数据项序号
unsigned short nCurCount=0,nCurNum=0;
BYTE nCurFrameCount;
ServerFrame serverFrame;
serverFrame.nServerType=SERVER_REAL;
serverFrame.nFlag=QUERY_REAL_DATA;
BYTE *pRecvFrame = m_RealCom.m_recvFrame;
int re=SendAndRecvFrame(&serverFrame);
BYTE i;
if(re)
{
// m_linkStatus=false;
return FALSE;
}
nCurCount= *((unsigned short *)(pRecvFrame + 7));
if(pRealData->size()<nCurCount)
{
pRealData->erase(pRealData->begin(),pRealData->end());
}
do
{
UINT nCurFramePos;
nCurFrameCount=pRecvFrame[9];
nCurFramePos=10;
ASSERT((12+84*nCurFrameCount) == m_RealCom.m_nRecvFrameSize);
for(i=0;i<nCurFrameCount;i++)
{
GetSingleRealData(nCurFramePos,pRealData);
}
nCurNum+=nCurFrameCount;
if(nCurNum<nCurCount)
{
re=SendAndRecvFrame(&serverFrame);
if(re)
{
// m_linkStatus=false;
return FALSE;
}
}
else break;
}while(1);
return TRUE;
}
void CFrame::GetSingleRealData(UINT & nFramePos,MapRealData *pRealData)
{
UINT nCurPos=nFramePos;
int key;
MapRealData & re=*pRealData;
ASSERT((nCurPos+84)<m_RealCom.m_nRecvFrameSize);
BYTE *pRecvFrame = m_RealCom.m_recvFrame;
key= (int)*((unsigned short *)(pRecvFrame + nCurPos));
nCurPos+=2;
if(pRealData->find(key)==pRealData->end())
{
RealData real;
memset(&real,0,sizeof(real));
pRealData->insert(MapRealData::value_type(key,real));
}
memcpy(re[key].strType,pRecvFrame+nCurPos,sizeof(re[key].strType)-1);
nCurPos+=sizeof(re[key].strType)-1;
memcpy(re[key].strName,pRecvFrame+nCurPos,sizeof(re[key].strName)-1);
nCurPos+=sizeof(re[key].strName)-1;
memcpy(re[key].strValue,pRecvFrame+nCurPos,sizeof(re[key].strValue)-1);
nCurPos+=sizeof(re[key].strValue)-1;
memcpy(re[key].strExtend,pRecvFrame+nCurPos,sizeof(re[key].strExtend)-1);
nCurPos+=sizeof(re[key].strExtend)-1;
nFramePos=nCurPos;
}
/************************************************************
函数名称:SaveParaArea
简要描述: 固化定值
参数:
nParaAreaNum [in]要固化的定值区号
定值区号为0xff表示固化系统定值
返回值:
TRUE 查询系统定值成功
FALSE 查询系统定值失败
修改日志:无
************************************************************/
BYTE CFrame::SaveParaArea(BYTE nParaAreaNum)
{
ServerFrame serverFrame;
serverFrame.nServerType=SERVER_PARA;
serverFrame.nFlag=(nParaAreaNum == 0xff) ? QUERY_SYS_PARA_SAVE_PARA:QUERY_PARA_SAVE_AREA_PARA;
serverFrame.queryFrame.nQueryOrSaveParaArea=nParaAreaNum;
BYTE *pRecvFrame = m_ParaCom.m_recvFrame;
int re=SendAndRecvFrame(&serverFrame);
if(re)
{
// m_linkStatus=false;
return FALSE;
}
return pRecvFrame[7];
}
/************************************************************
函数名称:DviceReset
简要描述: 恢复装置出厂设置