/** @file
 * $Source: /home/cvspamela/yoda/techmodel/PhysicsReader.cpp,v $
 * $Id: PhysicsReader.cpp,v 1.1 2004/06/09 23:18:20 nagni Exp $
 * $Author: nagni $
 * 
 * Implementation of the LogReader class.
* ToBeDone:
* Control the CRC for the entire data Packet not just for single records
 */

#define UINT unsigned int
#define BYTE  unsigned char
#include <string>
#include <log4cpp/Category.hh>
extern "C" {
#include <sys/time.h>
#include "CRC.h"
}

#include <fstream>
#include "stdio.h"
#include "ReaderAlgorithms.h"

//#include "event/CalibTrgEvent.h"

using namespace pamela;
using namespace pamela::techmodel;
using namespace pamela::tracker;

static log4cpp::Category& cat = log4cpp::Category::getInstance("pamela.techmodel.PhysicsReader");  

/**
 * Constructor. 
 */
PhysicsReader::PhysicsReader(void): 
  TechmodelAlgorithm(PacketType::Log, "TechmodelPhysicsReader") { 
  cat <<  log4cpp::Priority::DEBUG
      <<  "Constructor "
      <<  "\n " << log4cpp::CategoryStream::ENDLINE;
  trackerReader = new TrackerReader();
}

/**
 * Get a string with the version info of the algorithm.
 */
std::string PhysicsReader::GetVersionInfo(void) const {
  return 
    "$Header: /home/cvspamela/yoda/techmodel/PhysicsReader.cpp,v 1.1 2004/06/09 23:18:20 nagni Exp $\n";
}

/**
 * Initialize the algorithm with a special run. This will initialize the
 * event reader routines for all packet types.
 */
void PhysicsReader::Init(PamelaRun *run) {
  SetInputStream(run);
  trackerReader->Init(run);
  //run->WriteSubPacket(this, &physicsEvent, physicsEvent->Class());
}

/**
 * Unpack the Physics event from an input file.
 */
void PhysicsReader::RunEvent(int EventNumber, long int length) {

    /*UINT16      CRCread;     //CRC read from the end of the subpacket
    UINT16      CRCsum;      //CRC of the data
    char        packetData[length-2];
    char        CRCevent[2];
    long int    dataLength;

    InputFile->read(packetData, sizeof(packetData));
    InputFile->read(CRCevent, sizeof(CRCevent));

    CRCsum = CM_Compute_CRC16(0, (BYTE*)packetData, length -(long int)2 );
    CRCread = ((UINT16)(CRCevent[0]<<8)) + ((UINT16)CRCevent[1]);
    InputFile->seekg(-(length), std::ios::cur);

    if (CRCread == CRCsum){
        
        //passo packetData a tutti i reader dei vari rivelatori
    } else {
        cat <<  log4cpp::Priority::ERROR
            <<  "The test of calculated CRC with one wrote on file FAILED!!"
            <<  "\n " << log4cpp::CategoryStream::ENDLINE;
    }*/

    char        packetData[length-2];
    int         ERROR;

    InputFile->read(packetData, sizeof(packetData));
    //Skip the last two crc bytes already checked in UnpackPscu
    //This part have to be refactored!!!! too bad......
    //InputFile->seekg((long int)2, std::ios::cur);
    
    /*-----------------*/
    //passo packetData a tutti i reader dei vari rivelatori
    //trackerReader->RunEvent(EventNumber, packetData, length-2);
    /*-----------------*/
    //free(packetData);    
    
}