/[PAMELA software]/yoda/techmodel/EventReader.cpp
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Contents of /yoda/techmodel/EventReader.cpp

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Revision 2.0 - (show annotations) (download)
Tue Sep 21 20:50:54 2004 UTC (20 years, 3 months ago) by kusanagi
Branch: MAIN
Changes since 1.10: +3 -3 lines
Major release

1 /** @file
2 * $Author: kusanagi $
3 * $Date: 2004/09/21 20:24:33 $
4 * $Revision: 1.10 $
5 *
6 * Implementation of the functions of a sample Algorithm class.
7 * This file can be used as a templace to develop your own algorithm.
8 */
9
10 #include <log4cxx/logger.h>
11 #include <fstream>
12 #include "TechmodelAlgorithm.h"
13 #include "EventReader.h"
14 #include "ReaderAlgorithms.h"
15 #include "Exception.h"
16 #include "stdio.h"
17 extern "C" {
18 #include "CRC.h"
19 }
20
21 #define BYTE unsigned char
22
23 using namespace pamela;
24 using namespace pamela::techmodel;
25
26 static log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger(_T("pamela.techmodel.EventReader"));
27
28 unsigned int EventReader::maxPackets = 0;
29 unsigned int EventReader::prevPckCounter = 0;
30 unsigned int EventReader::prevPckOBT = 0;
31
32
33 /**
34 * Constructor.
35 */
36 EventReader::EventReader(int packetsLimit = -1):
37 TechmodelAlgorithm(0, "TechmodelEventReader"){
38 //EventReader::EventReader(void):
39 // TechmodelAlgorithm(0, "TechmodelEventReader") {
40 EventReader::maxPackets = packetsLimit;
41 logger->debug(_T("Constructor"));
42 Header = new EventHeader();
43
44 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::PhysEndRun, new PhysEndRunReader()));
45 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse1, new CalibCalPulse1Reader()));
46 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse2, new CalibCalPulse2Reader()));
47 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Physics, new PhysicsReader()));
48 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrkBoth, new CalibTrkBothReader()));
49 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1, new CalibTrk1Reader()));
50 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2, new CalibTrk2Reader()));
51 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrd, new CalibTrdReader()));
52 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof, new CalibTofReader()));
53 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4, new CalibS4Reader()));
54 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed, new CalibCalPedReader()));
55 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibAc, new CalibAcReader()));
56 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader, new RunHeaderReader()));
57 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer, new RunTrailerReader()));
58 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibHeader, new CalibHeaderReader()));
59 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrailer, new CalibTrailerReader()));
60 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitHeader, new InitHeaderReader()));
61 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitTrailer, new InitTrailerReader()));
62 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::EventTrk, new EventTrkReader()));
63 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTrk, new TestTrkReader()));
64 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTof, new TestTofReader()));
65 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log, new LogReader()));
66 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump, new VarDumpReader()));
67 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump, new ArrDumpReader()));
68 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump, new TabDumpReader()));
69 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc, new TmtcReader()));
70 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd, new McmdReader()));
71 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd, new ForcedFECmdReader()));
72 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcInit, new AcInitReader()));
73 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit, new CalInitReader()));
74 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit, new TrkInitReader()));
75 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit, new TofInitReader()));
76 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit, new TrgInitReader()));
77 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm, new CalAlarmReader()));
78 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcAlarm, new AcAlarmReader()));
79 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm, new TrkAlarmReader()));
80 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgAlarm, new TrgAlarmReader()));
81 TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofAlarm, new TofAlarmReader()));
82 }
83
84 /**
85 * Get a string with the version info of the algorithm.
86 */
87 std::string EventReader::GetVersionInfo(void) const {
88 return
89 "$Header: /home/cvsmanager/yoda/techmodel/EventReader.cpp,v 1.10 2004/09/21 20:24:33 kusanagi Exp $\n";
90 }
91
92 /**
93 * Initialize the algorithm with a special run. This will initialize the
94 * event reader routines for all packet types.
95 */
96 void EventReader::Init(PamelaRun *run) {
97 std::stringstream oss;
98 logger->debug(_T("Initialize"));
99 SetInputStream(run);
100
101 //Create the structure of directories and create xxx.Header.root files
102 run->WriteHeaders(this, &Header);
103
104 //Create the xxx.root in it's specific directory
105 for (AlgorithmMap::iterator i = TechmodelAlgorithmMap.begin();
106 i != TechmodelAlgorithmMap.end(); i++) {
107 oss.flush();
108 oss << "Initializing algo " << i->second->GetAlgorithmName();
109 //cout << "Initializing algo " << i->second->GetAlgorithmName();
110 logger->debug(oss.str().c_str());
111 i->second->Init(run);
112 }
113 Run = dynamic_cast<TechmodelPamelaRun*>(run);
114 }
115
116 static void SkipToNextHeader(ifstream *);
117
118 /**
119 * Read the next event header, call the reader algorithms that
120 * correspond to its packet type, and read the event trailer.
121 */
122
123 // 15 June 2004 ---note------------------
124 // A nice refacoring would require to not read again the packet data (which is
125 // read in the UnpackPscuHeader() and put directly in the
126 // EventAlgorithm->RunEvent(....) directly the data inside the packet.... will see later....
127 // 15 June 2004 ---note------------------
128 void EventReader::RunEvent(int EventNumber) {
129 //for now i'll suppose that the raw file starts immediately with the right bytes
130 //to insert a GetPacketStart()
131 stringstream oss;
132 int step = 0;
133 while (!InputFile->eof() && ((step++ < maxPackets) || (maxPackets == 0))){
134 try {
135 if (FindStart()) {
136 if(UnpackPscuHeader()){
137 const PacketType* type = Header->GetPscuHeader()->GetPacketType();
138 AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type);
139 if (i != TechmodelAlgorithmMap.end()) {
140 TechmodelAlgorithm *EventAlgorithm = i->second;
141 EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght());
142 Run->FillTrees(type);
143 Header->GetCounter()->Increment(type);
144 } else {
145 oss.flush();
146 oss << "No way to read events of type" << type->GetName();
147 logger->info(oss.str().c_str());
148 throw Exception("No way to read events of type " + type->GetName());
149 }
150 } //else {
151 //**TO BE DONE** <<WRONG CRC l --- LOST PACKET>>//
152 //Have to be defined a "WrongCRC" packet::Type?
153 //}
154 }
155 } catch (...) {
156 //This have to be more detailed. More exceptions type are needed.
157 logger->error("Couldn't read the event. Skipping to the next header.");
158 }
159 if ((step%1000) == 0) std::cout << step << "K \n";
160 }
161 Header->GetCounter()->PrintCounters();
162 }
163
164 static void SkipToNextHeader(ifstream* TechmodelFile) {
165 // yeah.
166 }
167
168
169
170 /**
171 * Unpack the PSCU header from a file into the structure.
172 */
173 int EventReader::UnpackPscuHeader(void) throw (std::exception) {
174 stringstream oss;
175 int response;
176 char buff[16];
177 InputFile->read(buff, sizeof(buff));
178
179
180 unsigned char PacketId1 = buff[3];
181 unsigned char PacketId2 = buff[4];
182 unsigned int Counter = (((UINT32)buff[5]<<16)&0x00FF0000) + (((UINT32)buff[6]<<8)&0x0000FF00) + (((UINT32)buff[7])&0x000000FF);
183 unsigned int OrbitalTime = (((UINT32)buff[8]<<24)&0xFF000000) + (((UINT32)buff[9]<<16)&0x00FF0000) + (((UINT32)buff[10]<<8)&0x0000FF00) + (((UINT32)buff[11])&0x000000FF);
184 unsigned int PacketLenght = (((UINT32)buff[12]<<16)&0x00FF0000) + (((UINT32)buff[13]<<8)&0x0000FF00) + (((UINT32)buff[14])&0x000000FF);
185 unsigned char CRC = buff[15];
186 unsigned char FileOffset = buff[15];
187
188 if (Counter < prevPckCounter){
189 oss.flush();
190 oss << "Packet counter is less than before of " << (prevPckCounter - Counter);
191 logger->info(oss.str().c_str());
192 }
193
194 if (OrbitalTime < prevPckOBT){
195 oss.flush();
196 oss << " Orbital Time is less than before of " << (prevPckOBT - OrbitalTime);
197 logger->info(oss.str().c_str());
198 }
199
200
201 if (((BYTE)CM_Compute_CRC16(0, (BYTE*)&buff, 15) == (BYTE)buff[15]) && (PacketId1 == PacketId2)){
202 prevPckCounter = Counter;
203 prevPckOBT = OrbitalTime;
204 long int initPos = InputFile->tellg();
205 long int finalPos;
206 Header->GetPscuHeader()->SetPacketId(PacketId1, PacketId2);
207 Header->GetPscuHeader()->SetCounter(Counter);
208 Header->GetPscuHeader()->SetOrbitalTime(OrbitalTime);
209 //PacketLength is the length of the whole DATApacket starting from the first byte after the header
210 //plus the CRC legth (which varies for each type of packet)
211 Header->GetPscuHeader()->SetPacketLenght(PacketLenght);
212 Header->GetPscuHeader()->SetCRC(CRC);
213 Header->GetPscuHeader()->SetFileOffset(((long int)(InputFile->tellg()) - 16));
214
215 //commented out because of the above test code
216 InputFile->seekg(Header->GetPscuHeader()->GetPacketLenght(), std::ios::cur);
217 FindStart();
218 finalPos = (long int)InputFile->tellg() - (1 + initPos + (long int)(Header->GetPscuHeader()->GetPacketLenght()));
219 if(finalPos == 0){
220 logger->debug(_T("Correct packet length"));
221 }
222 if (finalPos > 0 && finalPos < 64) {
223 oss.flush();
224 oss << " Correct packet length: Padded of " << finalPos << " bytes";
225 logger->warn(oss.str().c_str());
226 }
227 if (finalPos > 64){
228 logger->warn(_T(" Wrong packet length? (because of wrong padding?)"));
229 }
230 InputFile->seekg(initPos, std::ios::beg);
231 response = true;
232 } else {
233 logger->warn(_T(" WRONG CRC FOR HEADER "));
234 InputFile->seekg(-(13), std::ios::cur);
235 response = false;
236 }
237 char tmpId1[4];
238 char tmpId2[4];
239 char tmpLength[12];
240 char tmpStart[100];
241 char tmpCRC[4];
242 sprintf(tmpId1, "%02X", PacketId1);
243 sprintf(tmpId2, "%02X", PacketId2);
244 sprintf(tmpLength, "%06X", Header->GetPscuHeader()->GetPacketLenght());
245 sprintf(tmpStart, "%X", Header->GetPscuHeader()->GetFileOffset());
246 sprintf(tmpCRC, "%02X", CRC);
247 oss.flush();
248 oss << "\n Packet Counter (decimal) : " << Counter
249 << "\n Id1 - Id2 : " << tmpId1 << " - " << tmpId2
250 << "\n Orbital Time (decimal) : " << OrbitalTime
251 << "\n Lenght : " << tmpLength
252 << "\n CRC : " << tmpCRC
253 << "\n Header Start Position : " << tmpStart;
254 logger->info(oss.str().c_str());
255 return response;
256 }
257
258 /**
259 * Unpack the trailer of a PSCU event into the structure.
260 */
261 void EventReader::UnpackPscuTrailer(void) throw (std::exception) {
262
263 }
264
265 /**
266 * Find the next starting poin for the PSCU event looking for a {0xFA, 0xFE, 0xDE} sequence
267 */
268 int EventReader::FindStart(void) throw (std::exception) {
269 //search an hexadecimal sequence in a file
270 //subSign ------> pointer to the sequence buffer
271 //subSignDim ------> dimension of the buffer
272 // at exit
273 // return true if founds a match (else false)
274 // subF point rigth after the match, if found. Else EOF.
275 //Maurizio 15/11/2002-----------------------
276 const unsigned char subSign[3]={0xFA, 0xFE, 0xDE};
277 int subSignDim = 3;
278 //------------------------------------------
279 int subIndex = 0;
280 char dataByte;
281
282 int buffSize = 100;
283 int index = 0;
284 int loop = 0;
285 char buffer[buffSize];
286
287 /* original version
288 while (!InputFile->eof()) {
289 InputFile->get(dataByte);
290 if (dataByte == (char)(*(subSign+subIndex))){
291 if (subIndex++ == (subSignDim-1)) {
292 InputFile->seekg(-(subIndex), std::ios::cur);
293 return 1;
294 }
295 } else {
296 if (InputFile->eof()) {
297 throw Exception("Extra bytes over the last packets");
298 } else {
299 subIndex = 0;
300 }
301 }
302 } */
303 while (!InputFile->eof()) {
304 InputFile->read(buffer, sizeof(buffer));
305 index = 0;
306 ++loop;
307 while (index < buffSize){
308 dataByte = buffer[index++];
309 if (dataByte == (char)(*(subSign+subIndex))){
310 if (subIndex++ == (subSignDim-1)) {
311 InputFile->seekg( (index - subIndex - (buffSize*loop)), std::ios::cur);
312 return 1;
313 }
314 } else {
315 subIndex = 0;
316 }
317 }
318 }
319 return 0;
320 }
321
322 ClassImp(EventReader)

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