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768be5c3 | 1 | // $Id$ |
2 | ||
3 | /************************************************************************** | |
4 | * This file is property of and copyright by the ALICE HLT Project * | |
5 | * ALICE Experiment at CERN, All rights reserved. * | |
6 | * * | |
7 | * Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> * | |
8 | * for The ALICE HLT Project. * | |
9 | * * | |
10 | * Permission to use, copy, modify and distribute this software and its * | |
11 | * documentation strictly for non-commercial purposes is hereby granted * | |
12 | * without fee, provided that the above copyright notice appears in all * | |
13 | * copies and that both the copyright notice and this permission notice * | |
14 | * appear in the supporting documentation. The authors make no claims * | |
15 | * about the suitability of this software for any purpose. It is * | |
16 | * provided "as is" without express or implied warranty. * | |
17 | **************************************************************************/ | |
18 | ||
c3800c65 | 19 | /** @file testAliHLTAltroEncoder.C |
768be5c3 | 20 | @author Matthias Richter |
21 | @date | |
22 | @brief Test macro/program for the AliHLTAltroEncoder | |
23 | */ | |
24 | ||
25 | #ifndef __CINT__ | |
26 | #include "TFile.h" | |
27 | #include "TDatime.h" | |
28 | #include "TRandom.h" | |
29 | #include "TArrayI.h" | |
30 | #include "TArrayC.h" | |
31 | #include "TSystem.h" | |
32 | #include "AliRawDataHeader.h" | |
33 | #include "AliAltroDecoder.h" | |
34 | #include "AliAltroData.h" | |
35 | #include "AliAltroBunch.h" | |
36 | #include "AliHLTAltroEncoder.h" | |
521766bd | 37 | #include "AliHLTSystem.h" |
768be5c3 | 38 | #include <ostream> |
39 | #endif //__CINT__ | |
40 | ||
41 | #ifndef __CINT__ | |
42 | const int sizeofAliRawDataHeader=sizeof(AliRawDataHeader); | |
43 | #else | |
44 | // cint does not handle sizeof correctly | |
45 | const int sizeofAliRawDataHeader=32; | |
46 | #endif | |
47 | ||
48 | ///////////////////////////////////////////////////////////////// | |
49 | ///////////////////////////////////////////////////////////////// | |
50 | ///////////////////////////////////////////////////////////////// | |
51 | // | |
52 | // configuration of the test program | |
53 | // | |
54 | ||
55 | // printouts or not | |
56 | const bool bVerbose=false; | |
57 | ||
58 | // the encoder can be used in two different modes: using | |
59 | // AddSignal and terminating each channel by explicitely calling | |
60 | // SetChannel, or the combined version AddChannelSignal | |
61 | const bool bUseAddChannelSignal=true; | |
62 | ||
63 | // some defaults | |
64 | const int maxChannels=100; | |
65 | const int maxBunches=50; | |
66 | const int maxTimebin=1024; | |
67 | const int maxSignal=1024; | |
b0714bad | 68 | const int maxEncodedDataSize=4000000+sizeofAliRawDataHeader; |
768be5c3 | 69 | |
70 | // file dumps | |
71 | const char* encDataDumpFile=NULL;//"/tmp/altro-enc.dat"; | |
72 | const char* encodedDataFile="/tmp/altro-encoded.dat"; | |
73 | const char* simulatedDataFile="/tmp/altro-simulated.dat"; | |
74 | ||
75 | ///////////////////////////////////////////////////////////////// | |
76 | ///////////////////////////////////////////////////////////////// | |
77 | ///////////////////////////////////////////////////////////////// | |
78 | ||
79 | Bool_t seedSet=kFALSE; | |
80 | ||
81 | /** | |
82 | * Get a random number in the given range. | |
83 | */ | |
84 | int GetRandom(int min, int max) | |
85 | { | |
86 | if (max-min<2) return min; | |
87 | static TRandom rand; | |
88 | if (!seedSet) { | |
89 | TDatime dt; | |
90 | rand.SetSeed(dt.Get()); | |
91 | seedSet=kTRUE; | |
92 | } | |
93 | return rand.Integer(max-min); | |
94 | } | |
95 | ||
96 | /** | |
97 | * Print the bunch information of a channel. | |
98 | * The function goes recursively to the first bunch of the | |
99 | * channel and prints this one first. | |
100 | * @return number of 10bit words | |
101 | */ | |
102 | int DumpBunchRecursive(int nofBunches, int* pData, int size) | |
103 | { | |
104 | if (!pData || size<2) return -1; | |
105 | int pos=size; | |
106 | int bunchLength=pData[--pos]; | |
107 | int bunchEndTime=pData[--pos]; | |
108 | int read=0; | |
109 | if (bunchLength<pos && nofBunches>1) { | |
110 | read=DumpBunchRecursive(nofBunches-1, pData, pos-bunchLength); | |
111 | } | |
112 | cout << " bunch length " << bunchLength << ", end time " << bunchEndTime << ":"; | |
113 | ||
114 | for (int time=bunchEndTime; time>bunchEndTime-bunchLength; time--) { | |
115 | if (pos<1) { | |
116 | pos=0; | |
117 | cerr << "no data for bunch " << endl; | |
118 | return -1; | |
119 | } | |
120 | //cout << " " << pData[--pos]; | |
121 | } | |
122 | cout << endl; | |
123 | if (read<0) return read; | |
124 | return read+2+bunchLength; | |
125 | } | |
126 | ||
127 | /** | |
128 | * Write the encoded data to a file. | |
129 | */ | |
130 | template<typename T> | |
131 | void DumpDataArray(T *array, const char* filename, int memberSize) | |
132 | { | |
133 | if (array->GetSize()==0) return; | |
134 | ||
135 | ios::openmode filemode=(ios::openmode)0; | |
136 | ofstream rawfile(filename, filemode); | |
137 | if (rawfile.good()) { | |
138 | rawfile.write(reinterpret_cast<const char*>(array->GetArray()), array->GetSize()*memberSize); | |
139 | } | |
140 | rawfile.close(); | |
141 | } | |
142 | ||
143 | /** | |
144 | * Print the simulated data. | |
145 | */ | |
146 | void PrintSimulatedData(TArrayI& data) | |
147 | { | |
148 | cout << endl << "****** readback *******" << endl << endl; | |
149 | int dataPos=data.GetSize(); | |
150 | while (dataPos>0) { | |
151 | int channelAddress=data[--dataPos]; | |
152 | int nofBunches=data[--dataPos]; | |
153 | cout << " ------------------ new channel -------------------------" << endl; | |
154 | if (nofBunches>0) { | |
155 | int read=DumpBunchRecursive(nofBunches, data.GetArray(), dataPos); | |
156 | if (read<0) return; | |
157 | dataPos-=read; | |
158 | } | |
159 | cout << " channel " << channelAddress << ": number of bunches " << nofBunches << endl; | |
160 | } | |
161 | } | |
162 | ||
163 | int Compare(TArrayI& simData, TArrayC& encData) | |
164 | { | |
165 | if (bVerbose) cout << endl << "****** compare *******" << endl << endl; | |
166 | ||
167 | // can not have a static AltroDecoder, crash when function | |
168 | // is called. I had a similar problem in the AliHLTAltroChannelSelectorComponent | |
169 | ||
170 | int iResult=0; | |
171 | AliAltroDecoder* decoder=new AliAltroDecoder; | |
172 | if (iResult>=0 && decoder->SetMemory((UChar_t*)encData.GetArray(), (UInt_t)encData.GetSize())<0) { | |
173 | cout << "error setting up decoder " << endl; | |
174 | iResult=-1; | |
175 | } | |
176 | ||
177 | if (iResult>=0 && !decoder->Decode()) { | |
178 | cout << "error decoding data" << endl; | |
179 | iResult=-1; | |
180 | } | |
181 | ||
182 | AliAltroData altrochannel; | |
183 | int dataPos=simData.GetSize(); | |
184 | while (iResult>=0 && decoder->NextChannel(&altrochannel)) { | |
185 | int hwadd=altrochannel.GetHadd(); | |
186 | if (dataPos<2) { | |
187 | cout << "missmatch in simulated data" << endl; | |
188 | iResult=-1; | |
189 | break; | |
190 | } | |
191 | int channelAddress=simData[--dataPos]; | |
192 | int nofBunches=simData[--dataPos]; | |
b0714bad | 193 | int nofBunchesBackup=nofBunches; |
768be5c3 | 194 | if (channelAddress!=hwadd) { |
195 | cout << "channel address missmatch: simulated " << channelAddress << " encoded " << hwadd << endl; | |
196 | iResult=-1; | |
197 | break; | |
198 | } | |
199 | ||
200 | if (bVerbose) cout << "comparing channel " << channelAddress << ", " << nofBunches << " bunche(s)" << endl; | |
201 | ||
202 | AliAltroBunch altrobunch; | |
203 | while (iResult>=0 && altrochannel.NextBunch(&altrobunch) && nofBunches-->0) { | |
204 | if (dataPos<2) { | |
205 | cout << "error reading bunch size and time bin from simulated data" << endl; | |
206 | iResult=-1; | |
207 | break; | |
208 | } | |
209 | int bunchLength=simData[--dataPos]; | |
210 | int bunchEndTime=simData[--dataPos]; | |
211 | if (bunchLength!=(int)altrobunch.GetBunchSize()) { | |
212 | cout << "bunch length missmatch: simulated " << bunchLength << " encoded " << altrobunch.GetBunchSize() << hex << " (" << altrobunch.GetBunchSize() << ")" << dec << endl; | |
213 | iResult=-1; | |
214 | break; | |
215 | } | |
216 | if (bunchEndTime!=(int)altrobunch.GetEndTimeBin()) { | |
217 | cout << "bunch end time missmatch: simulated " << bunchEndTime << " encoded " << altrobunch.GetEndTimeBin() << endl; | |
218 | iResult=-1; | |
219 | break; | |
220 | } | |
221 | if (bVerbose) cout << " bunch length " << bunchLength << ", end time " << bunchEndTime << endl; | |
222 | const UInt_t* bunchData=altrobunch.GetData(); | |
223 | if (bunchLength>dataPos) { | |
224 | cout << "error reading simulated bunch data, required "<< bunchLength << " available " << dataPos << endl; | |
225 | iResult=-1; | |
226 | break; | |
227 | } | |
228 | Int_t* pSim=simData.GetArray(); | |
229 | for (int bin=0; bin<bunchLength; bin++) { | |
230 | if ((int)bunchData[bin]!=pSim[dataPos-bunchLength+bin]) { | |
231 | cout << "data missmatch at bunch position " << bin << " : simulated " << simData[dataPos] << " encoded " << bunchData[bin] << endl; | |
232 | iResult=-1; | |
233 | break; | |
234 | } | |
235 | } | |
236 | dataPos-=bunchLength; | |
237 | } | |
b0714bad | 238 | if (nofBunches>0 && iResult==0) { |
239 | cout << "error getting " << nofBunches << " of " << nofBunchesBackup << " bunches from channel " << channelAddress << endl; | |
240 | iResult=-1; | |
241 | } | |
768be5c3 | 242 | |
243 | } | |
244 | ||
245 | delete decoder; | |
246 | return iResult; | |
247 | } | |
248 | ||
249 | void CompareDumpFiles() | |
250 | { | |
251 | TString param=encodedDataFile; | |
252 | param+="?filetype=raw"; | |
253 | TFile encFile(param); | |
254 | if (encFile.IsZombie()) { | |
255 | cout << "can not open file " << encodedDataFile << endl; | |
256 | return; | |
257 | } | |
258 | ||
259 | TArrayC encData(encFile.GetSize()); | |
260 | if (encFile.ReadBuffer(encData.GetArray(), encData.GetSize())) { | |
261 | cout << "error reading file " << encodedDataFile << endl; | |
262 | return; | |
263 | } | |
264 | ||
265 | param=simulatedDataFile; | |
266 | param+="?filetype=raw"; | |
267 | TFile simFile(param); | |
268 | if (simFile.IsZombie()) { | |
269 | cout << "can not open file " << simulatedDataFile << endl; | |
270 | return; | |
271 | } | |
272 | ||
273 | TArrayI simData(simFile.GetSize()/4); | |
274 | if (simFile.ReadBuffer((char*)simData.GetArray(), simData.GetSize()*4)) { | |
275 | cout << "error reading file " << simulatedDataFile << endl; | |
276 | return; | |
277 | } | |
278 | ||
279 | Compare(simData, encData); | |
280 | } | |
281 | ||
c3800c65 | 282 | int testAliHLTAltroEncoder() |
768be5c3 | 283 | { |
521766bd | 284 | #ifdef __CINT__ |
8bc1d5fb | 285 | string ld_library_path="../.libs:"; |
286 | ld_library_path+=gSystem->GetDynamicPath(); | |
287 | gSystem->SetDynamicPath(ld_library_path.c_str()); | |
521766bd | 288 | gSystem->Load("libAliHLTRCU.so"); |
289 | #endif | |
290 | AliHLTSystem gHLT; | |
291 | ||
768be5c3 | 292 | int nofChannels=GetRandom(1, maxChannels); |
293 | if (nofChannels==0) nofChannels=1; | |
294 | TArrayI simData; | |
295 | TArrayC encData(maxEncodedDataSize); | |
296 | const int maxAltroDataSize=encData.GetSize()-sizeofAliRawDataHeader; | |
297 | int dataPos=0; | |
298 | ||
768be5c3 | 299 | AliHLTAltroEncoder encoder; |
4a7578f5 | 300 | encoder.SetBuffer((AliHLTUInt8_t*)encData.GetArray(), encData.GetSize()); |
301 | ||
302 | // set the common data header | |
303 | TArrayC dummyCdh(sizeofAliRawDataHeader); | |
304 | encoder.SetCDH((AliHLTUInt8_t*)dummyCdh.GetArray(), dummyCdh.GetSize()); | |
305 | ||
306 | // set a trailer like in the real data format of the v1 RCU format (1 trailer word) | |
307 | Int_t trailer=0; | |
308 | encoder.SetRCUTrailer((AliHLTUInt8_t*)&trailer, 4); | |
768be5c3 | 309 | |
310 | if (bVerbose) cout << "number of channels: " << nofChannels << endl; | |
311 | int channelAddress=-1; | |
312 | int lastChannel=-1; | |
313 | int nof10BitWords=0; | |
314 | // The nof10BitWords value is aligned to 4. In addition, one | |
315 | // 40bit word is needed for the channel trailer | |
316 | for (int channel=0; channel<nofChannels && (((nof10BitWords/4)+2)*5)<maxAltroDataSize; channel++) { | |
317 | channelAddress=GetRandom(0, 0xfff); | |
318 | if (channelAddress==lastChannel) continue; | |
319 | int nofBunches=GetRandom(1, maxBunches); | |
320 | if (nofBunches==0) continue; | |
321 | int totalBunches=0; | |
b0714bad | 322 | int bunchEndTime=0; |
323 | int lastBunchEndTime=0; | |
768be5c3 | 324 | |
325 | if (bVerbose) cout << " ------------------ new channel -------------------------" << endl; | |
326 | int bunch=0; | |
b0714bad | 327 | |
328 | // Matthias Oct 2008: | |
329 | // Data was simulated in the wrong order: bunches for the higher timebins | |
330 | // first. But real data is the other way round: bunches are written in the order | |
331 | // of ascending timebins. A new consistency check was added to AliAltroDecoder | |
332 | // (AliAltroBunch) in revision 29090. Now the channels are checked for overlapping | |
333 | // bunches, the time of a bunch must be smaller than time of the previous one | |
334 | // minus its length. | |
335 | // Data is now simulated in the right order in order to fullfil this check. | |
336 | for (bunch=0; bunch<nofBunches && bunchEndTime<maxTimebin-3; bunch++) { | |
337 | while ((bunchEndTime+=GetRandom(0, maxTimebin-bunchEndTime))-lastBunchEndTime<3); | |
338 | int bunchLength=GetRandom(0, bunchEndTime-lastBunchEndTime); | |
768be5c3 | 339 | if (bunchLength==0) continue; |
340 | // check if there is enough space for all the signals, end time | |
341 | // and bunch length. The value is aligned to 4. In addition, one | |
342 | // 40bit word is needed for the channel trailer | |
343 | if (((((nof10BitWords+bunchLength+2)/4)+2)*5)>=maxAltroDataSize) break; | |
344 | totalBunches++; | |
345 | ||
346 | if (bVerbose) cout << " bunch " << bunch << ", length " << bunchLength << ", end time " << bunchEndTime << ":"; | |
347 | ||
348 | if (simData.GetSize()<dataPos+bunchLength+2) simData.Set(dataPos+bunchLength+2); | |
349 | for (int time=bunchEndTime-bunchLength+1; time<=bunchEndTime; time++) { | |
350 | int signal=GetRandom(0, maxSignal); | |
351 | simData[dataPos++]=signal; | |
352 | if (bVerbose) cout << " " << signal; | |
353 | int added=1; | |
354 | if (bUseAddChannelSignal) { | |
355 | added=encoder.AddChannelSignal(signal, time, channelAddress); | |
356 | } else { | |
357 | if (encoder.AddSignal(signal, time)<0) { | |
358 | cout << "AddSignal failed" << endl; | |
359 | } | |
360 | } | |
361 | lastChannel=channelAddress; | |
362 | if (added>0) nof10BitWords+=added; | |
363 | } | |
364 | if (bVerbose) cout << endl; | |
365 | simData[dataPos++]=bunchEndTime; | |
366 | simData[dataPos++]=bunchLength; | |
b0714bad | 367 | lastBunchEndTime=bunchEndTime; |
368 | bunchEndTime+=bunchLength; | |
768be5c3 | 369 | } |
370 | if (simData.GetSize()<dataPos+2) simData.Set(dataPos+2); | |
371 | if (totalBunches>0) { | |
372 | simData[dataPos++]=totalBunches; | |
373 | simData[dataPos++]=channelAddress; | |
374 | } | |
375 | ||
376 | if (!bUseAddChannelSignal && lastChannel>=0) { | |
377 | encoder.SetChannel(lastChannel); | |
378 | } | |
379 | ||
380 | if (bVerbose) cout << " channel " << channelAddress << ": number of bunches " << totalBunches << endl; | |
381 | ||
382 | } | |
768be5c3 | 383 | |
4a7578f5 | 384 | int dataSize=encoder.SetLength(); |
385 | if (dataSize<0) { | |
386 | cerr << "error finalizing encoded buffer" << endl; | |
387 | return -1; | |
388 | } | |
768be5c3 | 389 | int nof40bitWords=encoder.GetTotal40bitWords(); |
4a7578f5 | 390 | encData.Set(dataSize); |
768be5c3 | 391 | |
392 | if (bVerbose) cout << "simulated data array:" << simData.GetSize() << " , ALTRO block length: " << nof40bitWords << " ALTRO words -> encoded data: " << encData.GetSize() << endl; | |
393 | ||
394 | ///////////////////////////////////////////////////////// | |
395 | // some debugging options | |
396 | ||
397 | if (encDataDumpFile) DumpDataArray(&encData, encDataDumpFile, 1); | |
398 | ||
399 | simData.Set(dataPos); | |
400 | if (bVerbose) PrintSimulatedData(simData); | |
401 | ||
402 | ///////////////////////////////////////////////////////// | |
403 | // read back end compare the encoded data | |
404 | ||
405 | if (simData.GetSize()>0 && Compare(simData, encData)<0) { | |
406 | // dump files for further debugging | |
407 | DumpDataArray(&encData, encodedDataFile, 1); | |
408 | DumpDataArray(&simData, simulatedDataFile, 4); | |
409 | return -1; | |
410 | } else { | |
411 | if (bVerbose) cout << "check successfully completed: " << nof40bitWords << " ALTRO words" << endl; | |
412 | } | |
413 | ||
414 | return 0; | |
415 | } | |
416 | ||
4a7578f5 | 417 | int main(int /*argc*/, const char** /*argv*/) |
768be5c3 | 418 | { |
419 | // CompareDumpFiles(); | |
420 | // return 0; | |
421 | ||
422 | int iResult=0; | |
b0714bad | 423 | int iCount=1000; |
768be5c3 | 424 | for (int i=0; i<iCount; i++) { |
c3800c65 | 425 | if ((iResult=testAliHLTAltroEncoder())<0) { |
768be5c3 | 426 | cout << "missmatch in block no " << i << endl; |
427 | return iResult; | |
428 | } | |
429 | } | |
c3800c65 | 430 | cout << "checking: " << iCount << " encoding cycle(s) successfully tested" << endl; |
768be5c3 | 431 | return 0; |
432 | } |