1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 ///////////////////////////////////////////////////////////////////////////////
20 /// This is the base class for reading raw data.
22 /// The derived classes, which operate on concrete raw data formats,
24 /// - ReadHeader to read the next (data/equipment) header
25 /// - ReadNextData to read the next raw data block (=1 DDL)
26 /// - ReadNext to read a given number of bytes
27 /// - several getters like GetType
29 /// Sequential access to the raw data is provided by the methods
30 /// ReadHeader, ReadNextData, ReadNextInt, ReadNextShort, ReadNextChar
32 /// If only data from a specific detector (and a given range of DDL numbers)
33 /// should be read, this can be achieved by the Select method.
34 /// Several getters provide information about the current event and the
35 /// current type of raw data.
37 ///////////////////////////////////////////////////////////////////////////////
40 #include <TPluginManager.h>
42 #include <TInterpreter.h>
45 #include <THashList.h>
47 #include <Riostream.h>
48 #include "AliRawReader.h"
49 #include "AliRawReaderFile.h"
50 #include "AliRawReaderDate.h"
51 #include "AliRawReaderRoot.h"
52 #include "AliRawReaderChain.h"
56 ClassImp(AliRawReader)
59 AliRawReader::AliRawReader() :
60 fEquipmentIdsIn(NULL),
61 fEquipmentIdsOut(NULL),
62 fRequireHeader(kTRUE),
65 fSelectEquipmentType(-1),
66 fSelectMinEquipmentId(-1),
67 fSelectMaxEquipmentId(-1),
70 fSelectTriggerMask(0),
74 fErrorLogs("AliRawDataErrorLog",100),
77 fIsTriggerClassLoaded(kFALSE)
79 // default constructor: initialize data members
80 // Allocate the swapped header in case of Mac
82 fHeaderSwapped=new AliRawDataHeader();
86 Bool_t AliRawReader::LoadEquipmentIdsMap(const char *fileName)
88 // Open the mapping file
89 // and load the mapping data
90 ifstream input(fileName);
91 if (input.is_open()) {
92 Warning("AliRawReader","Equipment ID mapping file is found !");
93 const Int_t kMaxDDL = 256;
94 fEquipmentIdsIn = new TArrayI(kMaxDDL);
95 fEquipmentIdsOut = new TArrayI(kMaxDDL);
96 Int_t equipIn, equipOut;
98 while (input >> equipIn >> equipOut) {
99 if (nIds >= kMaxDDL) {
100 Error("AliRawReader","Too many equipment Id mappings found ! Truncating the list !");
103 fEquipmentIdsIn->AddAt(equipIn,nIds);
104 fEquipmentIdsOut->AddAt(equipOut,nIds);
107 fEquipmentIdsIn->Set(nIds);
108 fEquipmentIdsOut->Set(nIds);
113 Error("AliRawReader","equipment id map file is not found ! Skipping the mapping !");
118 AliRawReader::AliRawReader(const AliRawReader& rawReader) :
120 fEquipmentIdsIn(rawReader.fEquipmentIdsIn),
121 fEquipmentIdsOut(rawReader.fEquipmentIdsOut),
122 fRequireHeader(rawReader.fRequireHeader),
123 fHeader(rawReader.fHeader),
124 fCount(rawReader.fCount),
125 fSelectEquipmentType(rawReader.fSelectEquipmentType),
126 fSelectMinEquipmentId(rawReader.fSelectMinEquipmentId),
127 fSelectMaxEquipmentId(rawReader.fSelectMaxEquipmentId),
128 fSkipInvalid(rawReader.fSkipInvalid),
129 fSelectEventType(rawReader.fSelectEventType),
130 fSelectTriggerMask(rawReader.fSelectTriggerMask),
131 fSelectTriggerExpr(rawReader.fSelectTriggerExpr),
134 fErrorLogs("AliRawDataErrorLog",100),
135 fHeaderSwapped(NULL),
136 fIsValid(rawReader.fIsValid),
137 fIsTriggerClassLoaded(rawReader.fIsTriggerClassLoaded)
140 // Allocate the swapped header in case of Mac
142 fHeaderSwapped=new AliRawDataHeader(*rawReader.fHeaderSwapped);
146 AliRawReader& AliRawReader::operator = (const AliRawReader& rawReader)
148 // assignment operator
149 if(&rawReader == this) return *this;
150 fEquipmentIdsIn = rawReader.fEquipmentIdsIn;
151 fEquipmentIdsOut = rawReader.fEquipmentIdsOut;
153 fHeader = rawReader.fHeader;
154 fCount = rawReader.fCount;
156 fSelectEquipmentType = rawReader.fSelectEquipmentType;
157 fSelectMinEquipmentId = rawReader.fSelectMinEquipmentId;
158 fSelectMaxEquipmentId = rawReader.fSelectMaxEquipmentId;
159 fSkipInvalid = rawReader.fSkipInvalid;
160 fSelectEventType = rawReader.fSelectEventType;
161 fSelectTriggerMask = rawReader.fSelectTriggerMask;
162 fSelectTriggerExpr = rawReader.fSelectTriggerExpr;
164 fErrorCode = rawReader.fErrorCode;
166 fEventNumber = rawReader.fEventNumber;
167 fErrorLogs = *((TClonesArray*)rawReader.fErrorLogs.Clone());
169 fIsValid = rawReader.fIsValid;
170 fIsTriggerClassLoaded = rawReader.fIsTriggerClassLoaded;
175 AliRawReader::~AliRawReader()
178 // delete the mapping arrays if
180 if (fEquipmentIdsIn) delete fEquipmentIdsIn;
181 if (fEquipmentIdsOut) delete fEquipmentIdsOut;
183 if (fHeaderSwapped) delete fHeaderSwapped;
186 AliRawReader* AliRawReader::Create(const char *uri)
188 // RawReader's factory
189 // It instantiate corresponding raw-reader implementation class object
190 // depending on the URI provided
191 // Normal URIs point to files, while the URI starting with
192 // 'mem://:' or 'mem://<filename>' will create
193 // AliRawReaderDateOnline object which is supposed to be used
194 // in the online reconstruction
196 TString strURI = uri;
198 if (strURI.IsNull()) {
199 AliWarningClass("No raw-reader created");
203 TObjArray *fields = strURI.Tokenize("?");
204 TString &fileURI = ((TObjString*)fields->At(0))->String();
206 AliRawReader *rawReader = NULL;
207 if (fileURI.BeginsWith("mem://") || fileURI.BeginsWith("^")) {
208 if (fileURI.BeginsWith("mem://")) fileURI.ReplaceAll("mem://","");
209 AliInfoClass(Form("Creating raw-reader in order to read events in shared memory (option=%s)",fileURI.Data()));
211 TPluginManager* pluginManager = gROOT->GetPluginManager();
212 TString rawReaderName = "AliRawReaderDateOnline";
213 TPluginHandler* pluginHandler = pluginManager->FindHandler("AliRawReader", "online");
214 // if not, add a plugin for it
215 if (!pluginHandler) {
216 pluginManager->AddHandler("AliRawReader", "online",
217 "AliRawReaderDateOnline", "RAWDatarecOnline", "AliRawReaderDateOnline(const char*)");
218 pluginHandler = pluginManager->FindHandler("AliRawReader", "online");
220 if (pluginHandler && (pluginHandler->LoadPlugin() == 0)) {
221 rawReader = (AliRawReader*)pluginHandler->ExecPlugin(1,fileURI.Data());
228 else if (fileURI.BeginsWith("amore://")) {
229 // A special raw-data URL used in case
230 // the raw-data reading is steered from
231 // ouside, i.e. from AMORE
232 fileURI.ReplaceAll("amore://","");
233 AliInfoClass("Creating raw-reader in order to read events sent by AMORE");
234 rawReader = new AliRawReaderDate((void *)NULL);
236 else if (fileURI.BeginsWith("collection://")) {
237 fileURI.ReplaceAll("collection://","");
238 AliInfoClass(Form("Creating raw-reader in order to read raw-data files collection defined in %s",fileURI.Data()));
239 rawReader = new AliRawReaderChain(fileURI);
241 else if (fileURI.BeginsWith("raw://run")) {
242 fileURI.ReplaceAll("raw://run","");
243 if (fileURI.IsDigit()) {
244 rawReader = new AliRawReaderChain(fileURI.Atoi());
247 AliErrorClass(Form("Invalid syntax: %s",fileURI.Data()));
253 AliInfoClass(Form("Creating raw-reader in order to read raw-data file: %s",fileURI.Data()));
254 TString filename(gSystem->ExpandPathName(fileURI.Data()));
255 if (filename.EndsWith("/")) {
256 rawReader = new AliRawReaderFile(filename);
257 } else if (filename.EndsWith(".root")) {
258 rawReader = new AliRawReaderRoot(filename);
260 rawReader = new AliRawReaderDate(filename);
264 if (!rawReader->IsRawReaderValid()) {
265 AliErrorClass(Form("Raw-reader is invalid - check the input URI (%s)",fileURI.Data()));
272 // Now apply event selection criteria (if specified)
273 if (fields->GetEntries() > 1) {
274 Int_t eventType = -1;
275 ULong64_t triggerMask = 0;
277 for(Int_t i = 1; i < fields->GetEntries(); i++) {
278 if (!fields->At(i)) continue;
279 TString &option = ((TObjString*)fields->At(i))->String();
280 if (option.BeginsWith("EventType=",TString::kIgnoreCase)) {
281 option.ReplaceAll("EventType=","");
282 eventType = option.Atoi();
285 if (option.BeginsWith("Trigger=",TString::kIgnoreCase)) {
286 option.ReplaceAll("Trigger=","");
287 if (option.IsDigit()) {
288 triggerMask = option.Atoll();
291 triggerExpr = option.Data();
295 AliWarningClass(Form("Ignoring invalid event selection option: %s",option.Data()));
297 AliInfoClass(Form("Event selection criteria specified: eventype=%d trigger mask=%llx trigger expression=%s",
298 eventType,triggerMask,triggerExpr.Data()));
299 rawReader->SelectEvents(eventType,triggerMask,triggerExpr.Data());
308 Int_t AliRawReader::GetMappedEquipmentId() const
310 if (!fEquipmentIdsIn || !fEquipmentIdsOut) {
311 Error("AliRawReader","equipment Ids mapping is not initialized !");
312 return GetEquipmentId();
314 Int_t equipmentId = GetEquipmentId();
315 for(Int_t iId = 0; iId < fEquipmentIdsIn->GetSize(); iId++) {
316 if (equipmentId == fEquipmentIdsIn->At(iId)) {
317 equipmentId = fEquipmentIdsOut->At(iId);
324 Int_t AliRawReader::GetDetectorID() const
326 // Get the detector ID
327 // The list of detector IDs
328 // can be found in AliDAQ.h
330 if (fEquipmentIdsIn && fEquipmentIdsIn)
331 equipmentId = GetMappedEquipmentId();
333 equipmentId = GetEquipmentId();
335 if (equipmentId >= 0) {
337 return AliDAQ::DetectorIDFromDdlID(equipmentId,ddlIndex);
343 Int_t AliRawReader::GetDDLID() const
345 // Get the DDL ID (within one sub-detector)
346 // The list of detector IDs
347 // can be found in AliDAQ.h
349 if (fEquipmentIdsIn && fEquipmentIdsIn)
350 equipmentId = GetMappedEquipmentId();
352 equipmentId = GetEquipmentId();
354 if (equipmentId >= 0) {
356 AliDAQ::DetectorIDFromDdlID(equipmentId,ddlIndex);
363 void AliRawReader::Select(const char *detectorName, Int_t minDDLID, Int_t maxDDLID)
365 // read only data of the detector with the given name and in the given
366 // range of DDLs (minDDLID <= DDLID <= maxDDLID).
367 // no selection is applied if a value < 0 is used.
368 Int_t detectorID = AliDAQ::DetectorID(detectorName);
370 Select(detectorID,minDDLID,maxDDLID);
373 void AliRawReader::Select(Int_t detectorID, Int_t minDDLID, Int_t maxDDLID)
375 // read only data of the detector with the given ID and in the given
376 // range of DDLs (minDDLID <= DDLID <= maxDDLID).
377 // no selection is applied if a value < 0 is used.
379 fSelectEquipmentType = -1;
382 fSelectMinEquipmentId = AliDAQ::DdlIDOffset(detectorID);
384 fSelectMinEquipmentId = AliDAQ::DdlID(detectorID,minDDLID);
387 fSelectMaxEquipmentId = AliDAQ::DdlID(detectorID,AliDAQ::NumberOfDdls(detectorID)-1);
389 fSelectMaxEquipmentId = AliDAQ::DdlID(detectorID,maxDDLID);
392 void AliRawReader::SelectEquipment(Int_t equipmentType,
393 Int_t minEquipmentId, Int_t maxEquipmentId)
395 // read only data of the equipment with the given type and in the given
396 // range of IDs (minEquipmentId <= EquipmentId <= maxEquipmentId).
397 // no selection is applied if a value < 0 is used.
399 fSelectEquipmentType = equipmentType;
400 fSelectMinEquipmentId = minEquipmentId;
401 fSelectMaxEquipmentId = maxEquipmentId;
404 void AliRawReader::SelectEvents(Int_t type, ULong64_t triggerMask,
405 const char *triggerExpr)
407 // read only events with the given type and optionally
409 // no selection is applied if value = 0 is used.
410 // Trigger selection can be done via string (triggerExpr)
411 // which defines the trigger logic to be used. It works only
412 // after LoadTriggerClass() method is called for all involved
415 fSelectEventType = type;
416 fSelectTriggerMask = triggerMask;
417 if (triggerExpr) fSelectTriggerExpr = triggerExpr;
420 void AliRawReader::LoadTriggerClass(const char* name, Int_t index)
422 // Loads the list of trigger classes defined.
423 // Used in conjunction with IsEventSelected in the
424 // case when the trigger selection is given by
425 // fSelectedTriggerExpr
427 if (fSelectTriggerExpr.IsNull()) return;
429 fIsTriggerClassLoaded = kTRUE;
432 fSelectTriggerExpr.ReplaceAll(name,Form("[%d]",index));
434 fSelectTriggerExpr.ReplaceAll(name,"0");
437 void AliRawReader::LoadTriggerAlias(const THashList *lst)
439 // Loads the list of trigger aliases defined.
440 // Replaces the alias by the OR of the triggers included in it.
441 // The subsiquent call to LoadTriggerClass is needed
442 // to obtain the final expression in
443 // fSelectedTriggerExpr
445 if (fSelectTriggerExpr.IsNull()) return;
447 // Make a THashList alias -> trigger classes
449 THashList alias2trig;
455 while((nmd = dynamic_cast<TNamed*>(iter.Next()))){
457 TString aliasList(nmd->GetTitle());
458 TObjArray* arrAliases = aliasList.Tokenize(',');
459 Int_t nAliases = arrAliases->GetEntries();
461 // Loop on aliases for the current trigger
462 for(Int_t i=0; i<nAliases; i++){
464 TObjString *alias = (TObjString*) arrAliases->At(i);
466 // Find the current alias in the hash list. If it is not there, add TNamed entry
467 TNamed * inlist = (TNamed*)alias2trig.FindObject((alias->GetString()).Data());
469 inlist = new TNamed((alias->GetString()).Data(),nmd->GetName());
470 alias2trig.Add(inlist);
473 TString tt(inlist->GetTitle());
475 tt += nmd->GetName();
476 inlist->SetTitle(tt.Data());
482 alias2trig.Sort(kSortDescending);
484 // Replace all the aliases by the OR of triggers
485 TIter iter1(&alias2trig);
486 while((nmd = dynamic_cast<TNamed*>(iter1.Next()))){
487 fSelectTriggerExpr.ReplaceAll(nmd->GetName(),nmd->GetTitle());
491 Bool_t AliRawReader::IsSelected() const
493 // apply the selection (if any)
495 if (fSkipInvalid && !IsValid()) return kFALSE;
497 if (fSelectEquipmentType >= 0)
498 if (GetEquipmentType() != fSelectEquipmentType) return kFALSE;
501 if (fEquipmentIdsIn && fEquipmentIdsIn)
502 equipmentId = GetMappedEquipmentId();
504 equipmentId = GetEquipmentId();
506 if ((fSelectMinEquipmentId >= 0) &&
507 (equipmentId < fSelectMinEquipmentId))
509 if ((fSelectMaxEquipmentId >= 0) &&
510 (equipmentId > fSelectMaxEquipmentId))
516 Bool_t AliRawReader::IsEventSelected() const
518 // apply the event selection (if any)
520 // First check the event type
521 if (fSelectEventType >= 0) {
522 if (GetType() != (UInt_t) fSelectEventType) return kFALSE;
525 // Then check the trigger pattern and compared it
526 // to the required trigger mask
527 if (fSelectTriggerMask != 0) {
528 if ((GetClassMask() & fSelectTriggerMask) != fSelectTriggerMask) return kFALSE;
531 if ( fIsTriggerClassLoaded && !fSelectTriggerExpr.IsNull()) {
532 TString expr(fSelectTriggerExpr);
533 ULong64_t mask = GetClassMask();
534 for(Int_t itrigger = 0; itrigger < 50; itrigger++) {
535 if (mask & (1 << itrigger)) {
536 expr.ReplaceAll(Form("[%d]",itrigger),"1");
539 expr.ReplaceAll(Form("[%d]",itrigger),"0");
542 // Possibility to introduce downscaling
543 TPRegexp("(%\\s*\\d+)").Substitute(expr,Form("&& !(%d$1)",GetEventIndex()),"g");
545 if ((gROOT->ProcessLineFast(expr.Data(),&error) == 0) &&
546 (error == TInterpreter::kNoError)) {
554 UInt_t AliRawReader::SwapWord(UInt_t x) const
556 // Swap the endianess of the integer value 'x'
558 return (((x & 0x000000ffU) << 24) | ((x & 0x0000ff00U) << 8) |
559 ((x & 0x00ff0000U) >> 8) | ((x & 0xff000000U) >> 24));
562 UShort_t AliRawReader::SwapShort(UShort_t x) const
564 // Swap the endianess of the short value 'x'
566 return (((x & 0x00ffU) << 8) | ((x & 0xff00U) >> 8)) ;
569 Bool_t AliRawReader::ReadNextInt(UInt_t& data)
571 // reads the next 4 bytes at the current position
572 // returns kFALSE if the data could not be read
574 while (fCount == 0) {
575 if (!ReadHeader()) return kFALSE;
577 if (fCount < (Int_t) sizeof(data)) {
579 "too few data left (%d bytes) to read an UInt_t!", fCount);
582 if (!ReadNext((UChar_t*) &data, sizeof(data))) {
583 Error("ReadNextInt", "could not read data!");
592 Bool_t AliRawReader::ReadNextShort(UShort_t& data)
594 // reads the next 2 bytes at the current position
595 // returns kFALSE if the data could not be read
597 while (fCount == 0) {
598 if (!ReadHeader()) return kFALSE;
600 if (fCount < (Int_t) sizeof(data)) {
601 Error("ReadNextShort",
602 "too few data left (%d bytes) to read an UShort_t!", fCount);
605 if (!ReadNext((UChar_t*) &data, sizeof(data))) {
606 Error("ReadNextShort", "could not read data!");
610 data=SwapShort(data);
615 Bool_t AliRawReader::ReadNextChar(UChar_t& data)
617 // reads the next 1 byte at the current stream position
618 // returns kFALSE if the data could not be read
620 while (fCount == 0) {
621 if (!ReadHeader()) return kFALSE;
623 if (!ReadNext((UChar_t*) &data, sizeof(data))) {
624 Error("ReadNextChar", "could not read data!");
630 Bool_t AliRawReader::GotoEvent(Int_t event)
632 // Random access to certain
633 // event index. Could be very slow
634 // for some non-root raw-readers.
635 // So it should be reimplemented there.
636 if (event < fEventNumber) RewindEvents();
638 while (fEventNumber < event) {
639 if (!NextEvent()) return kFALSE;
645 Int_t AliRawReader::CheckData() const
647 // check the consistency of the data
648 // derived classes should overwrite the default method which returns 0 (no err)
654 void AliRawReader::DumpData(Int_t limit)
656 // print the raw data
657 // if limit is not negative, only the first and last "limit" lines of raw data
662 Error("DumpData", "no header");
666 " type = %d run = %d ", GetType(), GetRunNumber());
668 printf("event = %8.8x %8.8x\n", GetEventId()[1], GetEventId()[0]);
670 printf("event = -------- --------\n");
672 if (GetTriggerPattern()) {
673 printf(" trigger = %8.8x %8.8x ",
674 GetTriggerPattern()[1], GetTriggerPattern()[0]);
676 printf(" trigger = -------- -------- ");
678 if (GetDetectorPattern()) {
679 printf("detector = %8.8x\n", GetDetectorPattern()[0]);
681 printf("detector = --------\n");
683 if (GetAttributes()) {
684 printf(" attributes = %8.8x %8.8x %8.8x ",
685 GetAttributes()[2], GetAttributes()[1], GetAttributes()[0]);
687 printf(" attributes = -------- -------- -------- ");
689 printf("GDC = %d\n", GetGDCId());
693 printf("-------------------------------------------------------------------------------\n");
694 printf("LDC = %d\n", GetLDCId());
696 printf("equipment:\n"
697 " size = %d type = %d id = %d\n",
698 GetEquipmentSize(), GetEquipmentType(), GetEquipmentId());
699 if (GetEquipmentAttributes()) {
700 printf(" attributes = %8.8x %8.8x %8.8x ", GetEquipmentAttributes()[2],
701 GetEquipmentAttributes()[1], GetEquipmentAttributes()[0]);
703 printf(" attributes = -------- -------- -------- ");
705 printf("element size = %d\n", GetEquipmentElementSize());
707 printf("data header:\n"
708 " size = %d version = %d valid = %d compression = %d\n",
709 GetDataSize(), GetVersion(), IsValid(), IsCompressed());
712 if (limit == 0) continue;
714 Int_t size = GetDataSize();
716 for (Int_t i = 0; i < 70; i++) line[i] = ' ';
722 for (Int_t n = 0; n < size; n++) {
723 if (!ReadNextChar(byte)) {
724 Error("DumpData", "couldn't read byte number %d\n", n);
728 printf("%8.8x %s\n", n-pos, line);
729 for (Int_t i = 0; i < 70; i++) line[i] = ' ';
732 if ((limit > 0) && (n/max == limit)) {
733 Int_t nContinue = ((size-1)/max+1-limit) * max;
735 printf(" [skipping %d bytes]\n", nContinue-n);
741 Int_t offset = pos/4;
742 if ((byte > 0x20) && (byte < 0x7f)) {
743 line[pos+offset] = byte;
745 line[pos+offset] = '.';
748 snprintf(hex, 3, "%2.2x", byte);
749 line[max+max/4+3+2*pos+offset] = hex[0];
750 line[max+max/4+4+2*pos+offset] = hex[1];
754 if (pos > 0) printf("%8.8x %s\n", size-pos, line);
757 } while (ReadHeader());
760 void AliRawReader::AddErrorLog(AliRawDataErrorLog::ERawDataErrorLevel level,
764 // Add a raw data error message to the list
765 // of raw-data decoding errors
766 if (fEventNumber < 0) {
769 Int_t ddlId = GetEquipmentId();
771 AliError("No ddl raw data have been read so far! Impossible to add a raw data error log!");
775 Int_t prevEventNumber = -1;
776 Int_t prevDdlId = -1;
777 Int_t prevErrorCode = -1;
778 AliRawDataErrorLog *prevLog = (AliRawDataErrorLog *)fErrorLogs.Last();
780 prevEventNumber = prevLog->GetEventNumber();
781 prevDdlId = prevLog->GetDdlID();
782 prevErrorCode = prevLog->GetErrorCode();
785 if ((prevEventNumber != fEventNumber) ||
786 (prevDdlId != ddlId) ||
787 (prevErrorCode != code)) {
788 new (fErrorLogs[fErrorLogs.GetEntriesFast()])
789 AliRawDataErrorLog(fEventNumber,
796 if (prevLog) prevLog->AddCount();
800 Bool_t AliRawReader::GotoEventWithID(Int_t event,
805 // Go to certain event number by
806 // checking the event ID.
807 // Useful in case event-selection
808 // is applied and the 'event' is
810 if (!GotoEvent(event)) return kFALSE;
812 while (GetBCID() != period ||
813 GetOrbitID() != orbitID ||
814 GetPeriod() != bcID) {
815 if (!NextEvent()) return kFALSE;