www.pudn.com > commspy.rar > comm_mon.h

 
// comm_mon.h 
 
#ifndef _INC_COMM_MON_ 
#define _INC_COMM_MON_ 
 
 
 
#define ZERO_MEMORY(s)  ::ZeroMemory(&s, sizeof(s)) 
 
#define MAX_RXBLOCK   80 
 
// flow control 
#define FC_DTRDSR  0x01 
#define FC_RTSCTS  0x02 
#define FC_XONXOFF 0x04 
 
#define ASCII_XON  0x11 
#define ASCII_XOFF 0x13 
 
 
typedef struct _TTYSTRUCT 
{ 
   BYTE byCommPort;  // zero based port - 3 or higher implies TELNET 
   BYTE byXonXoff; 
   BYTE byByteSize;  
   BYTE byFlowCtrl; 
   BYTE byParity;  
   BYTE byStopBits; 
   DWORD dwBaudRate; 
 
} TTYSTRUCT, *LPTTYSTRUCT; 
 
 
 
typedef struct _CONNECTION  
{ 
   HANDLE hCommDev; 
   BOOL bConnected; 
   OVERLAPPED osWrite; 
   OVERLAPPED osRead; 
   DWORD dwThreadID; 
 
} CONNECTION, *LPCONNECTION; 
 
 
 
 
typedef int CALLBACK MONITORPROC(HGLOBAL, int, LPARAM); 
typedef MONITORPROC *LPMONITORPROC; 
 
 
typedef struct _MONITORPROCPARMS 
{ 
   LPCONNECTION lpConn; 
   LPMONITORPROC lpCallback; 
   LPARAM lpCallbackParam; 
 
} MONITORPROCPARAMS, *LPMONITORPROCPARAMS; 
 
 
 
 
 
class GCommMonitor 
{ 
public: 
	GCommMonitor(); 
 
   // connect to a comm port 
   BOOL Connect(LPTTYSTRUCT lpTTY); 
   // disconnect  
   BOOL Disconnect(); 
 
   // monitor (read) data at open connection 
   BOOL Monitor(LPMONITORPROC lpMonitorProc, LPARAM lParam=NULL); 
   BOOL IsConnected() const; 
 
protected: 
   // thread entry point 
   static DWORD CALLBACK CommMonitorProc(LPVOID lpThreadParameter); 
   // helper function to monitor comm port 
   static BOOL CALLBACK CommReadBlock(LPCONNECTION lpConn, LPBYTE lpszBlock, int nLen); 
 
   // information about the current connection and 
   // monitoring thread 
   LPCONNECTION m_pConn; 
   HGLOBAL m_hConn; 
   LPMONITORPROCPARAMS m_pMPP; 
   HGLOBAL m_hMPP; 
 
public: 
	virtual ~GCommMonitor(); 
}; 
 
 
#endif