chewbacca/PamOffLineSW/PacketSemanticAnalyzer.cpp

//============================================================================
// $Id: PacketSemanticAnalyzer.cpp,v 1.44 2008-09-05 14:33:48 messineo Exp $ 
// Description : 
//============================================================================
#include "PacketSemanticAnalyzer.h"

namespace PamOffLineSW
{

extern unsigned long int step_pkt_number;
extern  unsigned long int step_pkt_obt; 
extern  unsigned long int  max_pkt_number; 
extern  unsigned long int  max_pkt_obt; 
extern bool is_new_route;
extern bool do_cont_check;

extern LogUtil* mainLogUtil;
extern long int iNumCadres; //cadre's number  
extern unsigned long long int iByte_tot;// how many bytes I have read till now  

PacketSemanticAnalyzer PacketSemanticAnalyzer::instance;

PacketSemanticAnalyzer::PacketSemanticAnalyzer()
{
        //set current values and last values to zero
        setCurrentValues(0,0);
        setLastValue();
        pkt_type=0;
        pktType=NULL;                           
}                 

PacketSemanticAnalyzer::~PacketSemanticAnalyzer()
{
}

//unused, the values are set in PamOffLineSW_Main.cpp
void PacketSemanticAnalyzer::setStepValue(unsigned long int dpn, unsigned long int dpo )
{
        step_pkt_number=dpn;
        step_pkt_obt=dpo;
}

void PacketSemanticAnalyzer::setLastValue()
{
        last_pkt_number=pkt_number;
        last_pkt_obt=pkt_obt;   
}

void PacketSemanticAnalyzer::setCurrentValues(unsigned long int ex_pkt_number, unsigned long int ex_pkt_obt)
{
        pkt_number=ex_pkt_number;
        pkt_obt=ex_pkt_obt;
}


void PacketSemanticAnalyzer::extractValuesfromPKT(char * hpamPkt)
{
        
/**/
        //all the check can also be done using  pamela::techmodel::EventReader* reader; 
        //PacketUser::getInstance().reader->PKT_UnpackPscuHeader(hpamPkt);              
        //std::cout<<PacketUser::getInstance().reader->Header->GetPscuHeader()->Print()<<std::endl;
        //reader->Header->GetCounter()->PrintCounters();
        //const PacketType* type =      reader->Header->GetPscuHeader()->GetPacketType();
        //int len= reader->Header->GetPscuHeader()->GetPacketLenght();
        //if(reader){delete reader; reader = NULL;}
         
/**/    
        unsigned long  int ex_pkt_number=(unsigned long int)(unsigned char)(hpamPkt[7])+
                                              256*(unsigned long int)(unsigned char)(hpamPkt[6])+
                                          256*256*(unsigned long int)(unsigned char)(hpamPkt[5]);
        //unsigned int  Counter   = (((UINT32)buff[5]<<16)&0x00FF0000) + (((UINT32)buff[6]<<8)&0x0000FF00) + (((UINT32)buff[7])&0x000000FF);
                       
        unsigned long  int ex_pkt_obt=(unsigned long int)(unsigned char)(hpamPkt[11])+
                              256*(unsigned long int)(unsigned char)(hpamPkt[10])+
                           256*256*(unsigned long int)(unsigned char)(hpamPkt[9])+
                       256*256*256*(unsigned long int)(unsigned char)(hpamPkt[8]);
        
        //unsigned int  OrbitalTime  = (((UINT32)buff[8]<<24)&0xFF000000) + (((UINT32)buff[9]<<16)&0x00FF0000) +  (((UINT32)buff[10]<<8)&0x0000FF00) + (((UINT32)buff[11])&0x000000FF);

        setCurrentValues(ex_pkt_number,ex_pkt_obt);
        
        //if hpamPkt[3] != hpamPkt[4]  the pkt is not good, it was discarded in R3
        pkt_type=(unsigned char)(hpamPkt[3]);
        pktType = GetPacketType(pkt_type);      
}

// PacketSemanticAnalyzer: 
// return false if there is a DISCONTINUITY
// packet counter has priority on obt.
bool PacketSemanticAnalyzer::analysePKT()
{
        
        if(!pktType){
                stringstream oss;
                oss.str()="";
                oss<<"PacketType "<<(int)pkt_type <<" not recognised. Packed skipped. The end of this packet is at byte: "<<iByte_tot<<" in cadre "<<iNumCadres;
                string msg = oss.str();
                mainLogUtil->logError(msg);
                // the packet will not be used in the next module.
                //I don't call setLastValue(), I can't trust on this packet                     
                return true;
        }
        
        //IF I FOUND A NEW DOWNLOAD IN THE INPUT FILE, discontinuity
        if(is_new_route){
                setLastValue(); 
                return false;           
        }

        if(!do_cont_check){
                setLastValue();//maybe I don't need it  
                return true;
        }
        
        long int delta_pc;              
        long int delta_pt;
        bool cons=true;
        
        //TODO check here ... 
        //USE ONLY PKT_NUMBER and not the OBT ... 
        //correct value is step_pkt_number = 5 and step_pkt_obt =0
        delta_pc = pkt_number-last_pkt_number;  

        if((step_pkt_number==0)||
                ((delta_pc>0)&&(delta_pc<=step_pkt_number)) ||
                ((delta_pc<0)&&(-delta_pc>=(max_pkt_number-step_pkt_number)))//delta_pc < 0 et pkt_number small and last_pkt_number big
        )                       
        {
                //cons=true;
                delta_pt=pkt_obt-last_pkt_obt;          
        
                //delta_pt=0 is OK
                if((step_pkt_obt==0)||
                        ((delta_pt>=0)&&(delta_pt<=step_pkt_obt)) ||
                        ((delta_pt<0)&&(-delta_pt>=(max_pkt_obt-step_pkt_obt)))//delta_pt < 0 et pkt_obt small and last_pkt_obt big
                )
                {
                        cons=true;
                }
                else
                {
                        cons=false;
                }       
        }
        else
        {
                cons=false;
        }
        
        setLastValue(); 
        return cons;
}

//here headerPkt is the header (16 bytes) pamPKT is the rest of the packet of lenght = length
void PacketSemanticAnalyzer::managePKT(char*& headerPkt, char*& pamPkt, long int length,  bool isPKTGood)
{               
        bool isCons = true;     
        //here we retrieve the informations mostly from the header
        extractValuesfromPKT(headerPkt);        
        //here I use the information retrieved to decide if the current packet is continuos 
        isCons=analysePKT();
                
        //The quality of the packet isPKTGood and the information about "CONTINUITY" 
        //are sent to the "user module" where I will save/use it.
        PacketUser::getInstance().usePKT(headerPkt, pamPkt, length, isCons, isPKTGood,
                        pktType, pkt_number, pkt_obt);
        
        //just to be sure ...
        if(pamPkt){ delete[] pamPkt; pamPkt = NULL;}
        if(headerPkt){ delete[] headerPkt; headerPkt = NULL;}           
}

/**
 * Get the packet type, this function is analogous to the one in  ../event/PacketType.h
 */
const PacketType* PacketSemanticAnalyzer::GetPacketType(unsigned char pkt_type)  {
switch (pkt_type) {
    case 0x07: return PacketType::PhysEndRun;//warning nel computo CRC
    case 0x08: return PacketType::CalibCalPulse1;
    case 0x09: return PacketType::CalibCalPulse2;
        case 0x10: return PacketType::Physics;
    case 0x11: return PacketType::CalibTrkBoth;
    case 0x12: return PacketType::CalibTrk1;
    case 0x13: return PacketType::CalibTrk2;
    case 0x16: return PacketType::CalibTof;
    case 0x17: return PacketType::CalibS4;
    case 0x18: return PacketType::CalibCalPed;
    case 0x19: return PacketType::Calib1_Ac1;
    case 0x1A: return PacketType::Calib2_Ac1;
    case 0x1B: return PacketType::Calib1_Ac2;
    case 0x1C: return PacketType::Calib2_Ac2;
    case 0x1D: return PacketType::CalibCal;
    case 0x20: return PacketType::RunHeader;
    case 0x21: return PacketType::RunTrailer; 
    case 0x22: return PacketType::CalibHeader;
    case 0x23: return PacketType::CalibTrailer;
    case 0x24: return PacketType::InitHeader;
    case 0x25: return PacketType::InitTrailer;
    case 0x30: return PacketType::EventTrk;
    case 0x50: return PacketType::Log;
    case 0x51: return PacketType::VarDump;
    case 0x52: return PacketType::ArrDump;
    case 0x53: return PacketType::TabDump;
    case 0x54: return PacketType::Tmtc;
    case 0x55: return PacketType::Mcmd;
    case 0x60: return PacketType::ForcedFECmd;
    case 0x70: return PacketType::Ac1Init;
    case 0x71: return PacketType::CalInit;
    case 0x72: return PacketType::TrkInit;
    case 0x73: return PacketType::TofInit;
    case 0x74: return PacketType::TrgInit;
    case 0x75: return PacketType::NdInit;
    case 0x76: return PacketType::S4Init;
    case 0x77: return PacketType::Ac2Init;
    case 0x81: return PacketType::CalAlarm;
    case 0x82: return PacketType::Ac1Alarm;
    case 0x83: return PacketType::TrkAlarm;
    case 0x84: return PacketType::TrgAlarm;
    case 0x85: return PacketType::TofAlarm;
    case 0x86: return PacketType::S4Alarm;
    case 0x89: return PacketType::Ac2Alarm;
    case 0xA1: return PacketType::TsbT; 
    case 0xAB: return PacketType::TsbB; 
        default: {
           return NULL;
          }
  }

}


PacketSemanticAnalyzer& PacketSemanticAnalyzer::getInstance()
{
        return instance;
}


}

1	mocchiut	1.1	//============================================================================
2	mocchiut	1.2	// $Id: PacketSemanticAnalyzer.cpp,v 1.44 2008-09-05 14:33:48 messineo Exp $
3	mocchiut	1.1	// Description :
4			//============================================================================
5			#include "PacketSemanticAnalyzer.h"
6
7			namespace PamOffLineSW
8			{
9
10			extern unsigned long int step_pkt_number;
11			extern unsigned long int step_pkt_obt;
12	mocchiut	1.2	extern unsigned long int max_pkt_number;
13			extern unsigned long int max_pkt_obt;
14	mocchiut	1.1	extern bool is_new_route;
15			extern bool do_cont_check;
16
17			extern LogUtil* mainLogUtil;
18			extern long int iNumCadres; //cadre's number
19			extern unsigned long long int iByte_tot;// how many bytes I have read till now
20
21			PacketSemanticAnalyzer PacketSemanticAnalyzer::instance;
22
23			PacketSemanticAnalyzer::PacketSemanticAnalyzer()
24			{
25			//set current values and last values to zero
26			setCurrentValues(0,0);
27			setLastValue();
28			pkt_type=0;
29			pktType=NULL;
30			}
31
32			PacketSemanticAnalyzer::~PacketSemanticAnalyzer()
33			{
34			}
35
36			//unused, the values are set in PamOffLineSW_Main.cpp
37			void PacketSemanticAnalyzer::setStepValue(unsigned long int dpn, unsigned long int dpo )
38			{
39			step_pkt_number=dpn;
40			step_pkt_obt=dpo;
41			}
42
43			void PacketSemanticAnalyzer::setLastValue()
44			{
45			last_pkt_number=pkt_number;
46			last_pkt_obt=pkt_obt;
47			}
48
49			void PacketSemanticAnalyzer::setCurrentValues(unsigned long int ex_pkt_number, unsigned long int ex_pkt_obt)
50			{
51			pkt_number=ex_pkt_number;
52			pkt_obt=ex_pkt_obt;
53			}
54
55
56			void PacketSemanticAnalyzer::extractValuesfromPKT(char * hpamPkt)
57			{
58
59			/**/
60			//all the check can also be done using pamela::techmodel::EventReader* reader;
61			//PacketUser::getInstance().reader->PKT_UnpackPscuHeader(hpamPkt);
62			//std::cout<<PacketUser::getInstance().reader->Header->GetPscuHeader()->Print()<<std::endl;
63			//reader->Header->GetCounter()->PrintCounters();
64			//const PacketType* type = reader->Header->GetPscuHeader()->GetPacketType();
65			//int len= reader->Header->GetPscuHeader()->GetPacketLenght();
66			//if(reader){delete reader; reader = NULL;}
67
68			/**/
69			unsigned long int ex_pkt_number=(unsigned long int)(unsigned char)(hpamPkt[7])+
70			256*(unsigned long int)(unsigned char)(hpamPkt[6])+
71			256256(unsigned long int)(unsigned char)(hpamPkt[5]);
72			//unsigned int Counter = (((UINT32)buff[5]<<16)&0x00FF0000) + (((UINT32)buff[6]<<8)&0x0000FF00) + (((UINT32)buff[7])&0x000000FF);
73
74			unsigned long int ex_pkt_obt=(unsigned long int)(unsigned char)(hpamPkt[11])+
75			256*(unsigned long int)(unsigned char)(hpamPkt[10])+
76			256256(unsigned long int)(unsigned char)(hpamPkt[9])+
77			256256256*(unsigned long int)(unsigned char)(hpamPkt[8]);
78
79			//unsigned int OrbitalTime = (((UINT32)buff[8]<<24)&0xFF000000) + (((UINT32)buff[9]<<16)&0x00FF0000) + (((UINT32)buff[10]<<8)&0x0000FF00) + (((UINT32)buff[11])&0x000000FF);
80
81			setCurrentValues(ex_pkt_number,ex_pkt_obt);
82
83			//if hpamPkt[3] != hpamPkt[4] the pkt is not good, it was discarded in R3
84			pkt_type=(unsigned char)(hpamPkt[3]);
85			pktType = GetPacketType(pkt_type);
86			}
87
88			// PacketSemanticAnalyzer:
89			// return false if there is a DISCONTINUITY
90			// packet counter has priority on obt.
91			bool PacketSemanticAnalyzer::analysePKT()
92			{
93
94			if(!pktType){
95			stringstream oss;
96			oss.str()="";
97			oss<<"PacketType "<<(int)pkt_type <<" not recognised. Packed skipped. The end of this packet is at byte: "<<iByte_tot<<" in cadre "<<iNumCadres;
98			string msg = oss.str();
99			mainLogUtil->logError(msg);
100			// the packet will not be used in the next module.
101			//I don't call setLastValue(), I can't trust on this packet
102			return true;
103			}
104
105			//IF I FOUND A NEW DOWNLOAD IN THE INPUT FILE, discontinuity
106			if(is_new_route){
107			setLastValue();
108			return false;
109			}
110
111			if(!do_cont_check){
112			setLastValue();//maybe I don't need it
113			return true;
114			}
115
116			long int delta_pc;
117			long int delta_pt;
118			bool cons=true;
119
120	mocchiut	1.2	//TODO check here ...
121	mocchiut	1.1	//USE ONLY PKT_NUMBER and not the OBT ...
122			//correct value is step_pkt_number = 5 and step_pkt_obt =0
123			delta_pc = pkt_number-last_pkt_number;
124
125			if((step_pkt_number==0)\|\|
126			((delta_pc>0)&&(delta_pc<=step_pkt_number)) \|\|
127			((delta_pc<0)&&(-delta_pc>=(max_pkt_number-step_pkt_number)))//delta_pc < 0 et pkt_number small and last_pkt_number big
128			)
129			{
130			//cons=true;
131			delta_pt=pkt_obt-last_pkt_obt;
132
133			//delta_pt=0 is OK
134			if((step_pkt_obt==0)\|\|
135			((delta_pt>=0)&&(delta_pt<=step_pkt_obt)) \|\|
136			((delta_pt<0)&&(-delta_pt>=(max_pkt_obt-step_pkt_obt)))//delta_pt < 0 et pkt_obt small and last_pkt_obt big
137			)
138			{
139			cons=true;
140			}
141			else
142			{
143			cons=false;
144			}
145			}
146			else
147			{
148			cons=false;
149			}
150
151			setLastValue();
152			return cons;
153			}
154
155			//here headerPkt is the header (16 bytes) pamPKT is the rest of the packet of lenght = length
156			void PacketSemanticAnalyzer::managePKT(char& headerPkt, char& pamPkt, long int length, bool isPKTGood)
157			{
158			bool isCons = true;
159			//here we retrieve the informations mostly from the header
160			extractValuesfromPKT(headerPkt);
161			//here I use the information retrieved to decide if the current packet is continuos
162			isCons=analysePKT();
163
164			//The quality of the packet isPKTGood and the information about "CONTINUITY"
165			//are sent to the "user module" where I will save/use it.
166			PacketUser::getInstance().usePKT(headerPkt, pamPkt, length, isCons, isPKTGood,
167			pktType, pkt_number, pkt_obt);
168
169			//just to be sure ...
170			if(pamPkt){ delete[] pamPkt; pamPkt = NULL;}
171			if(headerPkt){ delete[] headerPkt; headerPkt = NULL;}
172			}
173
174			/**
175			* Get the packet type, this function is analogous to the one in ../event/PacketType.h
176			*/
177			const PacketType* PacketSemanticAnalyzer::GetPacketType(unsigned char pkt_type) {
178			switch (pkt_type) {
179			case 0x07: return PacketType::PhysEndRun;//warning nel computo CRC
180			case 0x08: return PacketType::CalibCalPulse1;
181			case 0x09: return PacketType::CalibCalPulse2;
182			case 0x10: return PacketType::Physics;
183			case 0x11: return PacketType::CalibTrkBoth;
184			case 0x12: return PacketType::CalibTrk1;
185			case 0x13: return PacketType::CalibTrk2;
186			case 0x16: return PacketType::CalibTof;
187			case 0x17: return PacketType::CalibS4;
188			case 0x18: return PacketType::CalibCalPed;
189			case 0x19: return PacketType::Calib1_Ac1;
190			case 0x1A: return PacketType::Calib2_Ac1;
191			case 0x1B: return PacketType::Calib1_Ac2;
192			case 0x1C: return PacketType::Calib2_Ac2;
193			case 0x1D: return PacketType::CalibCal;
194			case 0x20: return PacketType::RunHeader;
195			case 0x21: return PacketType::RunTrailer;
196			case 0x22: return PacketType::CalibHeader;
197			case 0x23: return PacketType::CalibTrailer;
198			case 0x24: return PacketType::InitHeader;
199			case 0x25: return PacketType::InitTrailer;
200			case 0x30: return PacketType::EventTrk;
201			case 0x50: return PacketType::Log;
202			case 0x51: return PacketType::VarDump;
203			case 0x52: return PacketType::ArrDump;
204			case 0x53: return PacketType::TabDump;
205			case 0x54: return PacketType::Tmtc;
206			case 0x55: return PacketType::Mcmd;
207			case 0x60: return PacketType::ForcedFECmd;
208			case 0x70: return PacketType::Ac1Init;
209			case 0x71: return PacketType::CalInit;
210			case 0x72: return PacketType::TrkInit;
211			case 0x73: return PacketType::TofInit;
212			case 0x74: return PacketType::TrgInit;
213			case 0x75: return PacketType::NdInit;
214			case 0x76: return PacketType::S4Init;
215			case 0x77: return PacketType::Ac2Init;
216			case 0x81: return PacketType::CalAlarm;
217			case 0x82: return PacketType::Ac1Alarm;
218			case 0x83: return PacketType::TrkAlarm;
219			case 0x84: return PacketType::TrgAlarm;
220			case 0x85: return PacketType::TofAlarm;
221			case 0x86: return PacketType::S4Alarm;
222			case 0x89: return PacketType::Ac2Alarm;
223			case 0xA1: return PacketType::TsbT;
224			case 0xAB: return PacketType::TsbB;
225			default: {
226			return NULL;
227			}
228			}
229
230			}
231
232
233			PacketSemanticAnalyzer& PacketSemanticAnalyzer::getInstance()
234			{
235			return instance;
236			}
237
238
239			}
240