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 (DTCtcp *)
	DTCtcp (int port)
	DTCtcp (int sock, int opt)
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 15 of file DTSpy.h.

Constructor & Destructor Documentation

DTSpy() [1/2]

DTSpy::DTSpy

(

)

Definition at line 17 of file DTSpy.cc.

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

References DTSPY_MAX_MSG, givenonce, and spybuf.

DTSpy() [2/2]

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

Definition at line 24 of file DTSpy.cc.

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

References DTCtcp::Connect(), givenonce, and DTCtcp::port.

~DTSpy()

DTSpy::~DTSpy

(

)

Definition at line 22 of file DTSpy.cc.

{ free(spybuf); }

References spybuf.

Member Function Documentation

getBuffSize()

int DTSpy::getBuffSize

(

)

Definition at line 55 of file DTSpy.cc.

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

References spybuf.

Referenced by getNextBuffer().

getEventPointer()

const char * DTSpy::getEventPointer

(

)

Definition at line 65 of file DTSpy.cc.

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

References DTSPY_HEAD_SIZE, givenonce, lastpointer, and spybuf.

Referenced by DTSpyReader::fillRawData().

getNextBuffer()

int DTSpy::getNextBuffer

(

)

Definition at line 29 of file DTSpy.cc.

                         {
  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;
}

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

Referenced by DTSpyReader::fillRawData().

getRunNo()

int DTSpy::getRunNo

(

)

Definition at line 60 of file DTSpy.cc.

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

References spybuf.

Referenced by DTSpyReader::fillRawData().

setlastPointer()

void DTSpy::setlastPointer

(

char *

data

)

Definition at line 73 of file DTSpy.cc.

{ lastpointer = thep; }

References lastpointer.

Referenced by DTSpyReader::fillRawData().

Member Data Documentation

givenonce

short DTSpy::givenonce

protected

Definition at line 18 of file DTSpy.h.

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

lastpointer

char* DTSpy::lastpointer

Definition at line 21 of file DTSpy.h.

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

spybuf

char* DTSpy::spybuf

protected

Definition at line 17 of file DTSpy.h.

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