DTSpy Class Reference

#include <DTSpy.h>

Inheritance diagram for DTSpy:

Public Member Functions
	DTSpy ()
	DTSpy (char *hostaddr, int port)
int	getBuffSize ()
const char *	getEventPointer ()
int	getNextBuffer ()
int	getRunNo ()
void	setlastPointer (char *data)
	~DTSpy ()
Public Member Functions inherited from DTCtcp
DTCtcp *	Accept ()
unsigned long	addr ()
void	Connect (const char *hostaddr, int port)
void	Connect (unsigned long hostaddr, int port)
int	Disconnect ()
	DTCtcp ()
	DTCtcp (int port)
	DTCtcp (int sock, int opt)
	DTCtcp (DTCtcp *)
short	Id ()
int	Receive (char *buffer, int size)
int	Send (char *buffer, int size)
	~DTCtcp ()

Public Attributes
char *	lastpointer

Protected Attributes
short	givenonce
char *	spybuf
Protected Attributes inherited from DTCtcp
struct sockaddr_in	clientAddr
int	connected
struct sockaddr_in	myaddr
int	port
int	sock

Detailed Description

Definition at line 17 of file DTSpy.h.

Constructor & Destructor Documentation

DTSpy::DTSpy

(

)

Definition at line 18 of file DTSpy.cc.

References DTSPY_MAX_MSG, givenonce, and spybuf.

            :DTCtcp(0)
{
  spybuf=(char *)malloc(DTSPY_MAX_MSG);
  givenonce=0;
}

DTSpy::DTSpy	(	char *	hostaddr,
		int	port
	)

Definition at line 31 of file DTSpy.cc.

References DTCtcp::Connect(), and givenonce.

                                   :DTCtcp(0)
{
     Connect(hostaddr,port);
     givenonce=0;
}

DTSpy::~DTSpy

(

)

Definition at line 25 of file DTSpy.cc.

References spybuf.

{
  free(spybuf);
}

Member Function Documentation

int DTSpy::getBuffSize

(

)

Definition at line 67 of file DTSpy.cc.

References spybuf.

Referenced by getNextBuffer().

{
    unsigned short *i2ohea = (unsigned short *) (spybuf+2);
    return *i2ohea;
}

const char * DTSpy::getEventPointer

(

)

Definition at line 83 of file DTSpy.cc.

References DTSPY_HEAD_SIZE, givenonce, lastpointer, and spybuf.

Referenced by DTSpyReader::fillRawData().

{
  if (givenonce) return lastpointer;
  lastpointer = spybuf+DTSPY_HEAD_SIZE;
  givenonce = 1;
  return lastpointer;
}

int DTSpy::getNextBuffer

(

)

Definition at line 39 of file DTSpy.cc.

References DTCtcp::connected, DTSPY_HEAD_SIZE, DTSPY_MAX_MSG, getBuffSize(), givenonce, lastpointer, DTCtcp::Receive(), and spybuf.

Referenced by DTSpyReader::fillRawData().

{

    if (!connected) return -1;
    if (givenonce)
        if ((lastpointer - spybuf) < getBuffSize())
            return (getBuffSize() - (lastpointer - spybuf));
    givenonce=0;

    memset(spybuf,0x0,DTSPY_MAX_MSG); /* init buffer */
    
        int howm=Receive(spybuf,DTSPY_HEAD_SIZE);
    
    unsigned short *i2ohea = (unsigned short *) (spybuf+2);
    if (howm == DTSPY_HEAD_SIZE ) 
         {
        howm = Receive(spybuf+DTSPY_HEAD_SIZE,((*i2ohea) * 4)-DTSPY_HEAD_SIZE);

               // for (int ii=0; ii<12; ii++)
               //       printf("%d: %x %x %x %x \n",ii*4,spybuf[ii*4],
               //             spybuf[ii*4+1],spybuf[ii*4+2],spybuf[ii*4+3]);

            return howm+DTSPY_HEAD_SIZE;;
         }
         else return -1;
}

int DTSpy::getRunNo

(

)

Definition at line 76 of file DTSpy.cc.

References spybuf.

Referenced by DTSpyReader::fillRawData().

{
    unsigned short *i2ohea = (unsigned short *) (spybuf+28);
    return *i2ohea;
}

void DTSpy::setlastPointer

(

char *

data

)

Definition at line 92 of file DTSpy.cc.

References lastpointer.

Referenced by DTSpyReader::fillRawData().

{
  lastpointer=thep;
}

Member Data Documentation

short DTSpy::givenonce

protected

Definition at line 21 of file DTSpy.h.

Referenced by DTSpy(), getEventPointer(), and getNextBuffer().

char* DTSpy::lastpointer

Definition at line 25 of file DTSpy.h.

Referenced by getEventPointer(), getNextBuffer(), and setlastPointer().

char* DTSpy::spybuf

protected

Definition at line 20 of file DTSpy.h.

Referenced by DTSpy(), getBuffSize(), getEventPointer(), getNextBuffer(), getRunNo(), and ~DTSpy().