1 // @(#)alimdc:$Name$:$Id$
2 // Author: Fons Rademakers 26/11/99
3 // Updated: Dario Favretto 15/04/2003
8 #include <sys/statvfs.h>
10 #if defined(__APPLE__)
11 #include <sys/param.h>
12 #include <sys/mount.h>
25 #include <TStopwatch.h>
26 #include <TSQLServer.h>
27 #include <TSQLResult.h>
31 #if defined(__APPLE__)
34 #include "AliRawEvent.h"
38 #include "DateEvent.h"
41 #include "libDateEb.h"
46 ClassImp(AliRawEventHeader)
47 ClassImp(AliRawEquipmentHeader)
51 ClassImp(AliRawRFIODB)
52 ClassImp(AliRawCastorDB)
53 ClassImp(AliRawRootdDB)
54 ClassImp(AliRawNullDB)
56 ClassImp(AliTagNullDB)
60 // Which MDC is this...
63 // Fixed file system locations for the different DB's
65 const char *kFifo = "/tmp/alimdc.fifo";
66 const char *kRawDBFS[2] = { "/tmp/mdc1", "/tmp/mdc2" };
67 const char *kTagDBFS = "/tmp/mdc1/tags";
68 const char *kRunDBFS = "/tmp/mdc1/meta";
69 const char *kRFIOFS = "rfio:/castor/cern.ch/user/r/rdm";
70 const char *kCastorFS = "castor:/castor/cern.ch/user/r/rdm";
71 const char *kRootdFS = "root://localhost//tmp/mdc1";
72 const char *kAlienHost = "alien://aliens7.cern.ch:15000/?direct";
73 const char *kAlienDir = "/alice_mdc/DC";
75 const char *kFifo = "/tmp/alimdc.fifo";
76 const char *kRawDBFS[2] = { "/data1/mdc", "/data2/mdc" };
77 const char *kTagDBFS = "/data1/mdc/tags";
78 const char *kRunDBFS = "/data1/mdc/meta";
79 const char *kRFIOFS = "rfio:/castor/cern.ch/lcg/dc5";
80 const char *kCastorFS = "castor:/castor/cern.ch/lcg/dc5";
81 const char *kRootdFS = "root://localhost//tmp/mdc1";
82 const char *kAlienHost = "alien://aliens7.cern.ch:15000/?direct";
83 const char *kAlienDir = "/alice_mdc/DC";
86 // Maximum size of tag db files
87 const Double_t kMaxTagFileSize = 2.5e8; // 250MB
89 Bool_t AliMDC::fgDeleteFiles = kFALSE;
94 //______________________________________________________________________________
95 Bool_t AliRawEventHeader::DataIsSwapped() const
97 // Returns true if event data is swapped.
99 if (TEST_SYSTEM_ATTRIBUTE(fTypeAttribute, ATTR_EVENT_SWAPPED))
104 //______________________________________________________________________________
105 void AliRawEventHeader::Swap()
110 fSize = net2host(fSize);
111 fMagic = net2host(fMagic);
112 fHeadLen = net2host(fHeadLen);
113 fVersion = net2host(fVersion);
114 fType = net2host(fType);
115 fRunNb = net2host(fRunNb);
116 for (int i = 0; i < kIdWords; i++)
117 fId[i] = net2host(fId[i]);
118 for (int i = 0; i < kTriggerWords; i++)
119 fTriggerPattern[i] = net2host(fTriggerPattern[i]);
120 for (int i = 0; i < kDetectorWords; i++)
121 fDetectorPattern[i] = net2host(fDetectorPattern[i]);
122 for (int i = 0; i < kAttributeWords; i++)
123 fTypeAttribute[i] = net2host(fTypeAttribute[i]);
124 fLDCId = net2host(fLDCId);
125 fGDCId = net2host(fGDCId);
129 //______________________________________________________________________________
130 UInt_t AliRawEventHeader::GetEventInRun() const
132 // Get event number in run. Correct for fixed target mode which is used
133 // in the Data Challenge Setup.
135 if (!TEST_SYSTEM_ATTRIBUTE(fTypeAttribute, ATTR_ORBIT_BC)) {
136 return EVENT_ID_GET_NB_IN_RUN(fId);
141 //______________________________________________________________________________
142 const char *AliRawEventHeader::GetTypeName() const
144 // Get event type as a string.
148 return "START_OF_RUN";
153 case kStartOfRunFiles:
154 return "START_OF_RUN_FILES";
157 return "END_OF_RUN_FILES";
160 return "START_OF_BURST";
163 return "END_OF_BURST";
166 return "PHYSICS_EVENT";
168 case kCalibrationEvent:
169 return "CALIBRATION_EVENT";
172 return "EVENT_FORMAT_ERROR";
175 return "*** UNKNOWN EVENT TYPE ***";
181 //______________________________________________________________________________
182 void AliRawEquipmentHeader::Swap()
184 // Swap equipment header data. There is no way to see if the data
185 // has already been swapped. This method is only called when the
186 // header is read from the DATE event builder (GDC).
188 fSize = net2host(fSize);
189 fEquipmentType = net2host(fEquipmentType);
190 fEquipmentID = net2host(fEquipmentID);
191 fBasicElementSizeType = net2host(fBasicElementSizeType);
192 for (int i = 0; i < kAttributeWords; i++)
193 fTypeAttribute[i] = net2host(fTypeAttribute[i]);
197 //______________________________________________________________________________
198 AliRawEvent::AliRawEvent()
200 // Create ALICE event object. If ownData is kFALSE we will use a static
201 // raw data object, otherwise a private copy will be made.
204 fEvtHdr = new AliRawEventHeader;
210 //______________________________________________________________________________
211 AliRawEquipmentHeader *AliRawEvent::GetEquipmentHeader()
213 // Get equipment header part of AliRawEvent.
216 fEqpHdr = new AliRawEquipmentHeader;
221 //______________________________________________________________________________
222 AliRawData *AliRawEvent::GetRawData()
224 // Get raw data part of AliRawEvent.
227 fRawData = new AliRawData;
232 //______________________________________________________________________________
233 AliRawEvent *AliRawEvent::NextSubEvent()
235 // Returns next sub-event object.
238 fSubEvents = new TObjArray(100); // arbitrary, probably enough to prevent resizing
240 if (fSubEvents->GetSize() <= fNSubEvents) {
241 fSubEvents->Expand(fNSubEvents+10);
242 Warning("NextSubEvent", "expanded fSubEvents by 10 to %d",
243 fSubEvents->GetSize());
247 if (!(ev = (AliRawEvent *)fSubEvents->At(fNSubEvents))) {
248 ev = new AliRawEvent;
249 fSubEvents->AddAt(ev, fNSubEvents);
257 //______________________________________________________________________________
258 AliRawEvent *AliRawEvent::GetSubEvent(Int_t index) const
260 // Get specified sub event. Returns 0 if sub event does not exist.
265 return (AliRawEvent *) fSubEvents->At(index);
268 //______________________________________________________________________________
269 void AliRawEvent::Reset()
271 // Reset the event in case it needs to be re-used (avoiding costly
272 // new/delete cycle). We reset the size marker for the AliRawData
273 // objects and the sub event counter.
275 for (int i = 0; i < fNSubEvents; i++) {
276 AliRawEvent *ev = (AliRawEvent *)fSubEvents->At(i);
277 ev->GetRawData()->SetSize(0);
282 //______________________________________________________________________________
283 AliRawEvent::~AliRawEvent()
285 // Clean up event object. Delete also, possible, private raw data.
291 fSubEvents->Delete();
295 //______________________________________________________________________________
296 AliStats::AliStats(const char *filename, Int_t compmode, Bool_t filter)
298 // Create statistics object.
306 fFileName = filename;
307 fCompMode = compmode;
312 //______________________________________________________________________________
313 AliStats::~AliStats()
315 // Cleanup stats object.
320 //______________________________________________________________________________
321 AliStats &AliStats::operator=(const AliStats &rhs)
323 // AliStats assignment operator.
326 TObject::operator=(rhs);
327 fEvents = rhs.fEvents;
328 fFirstRun = rhs.fFirstRun;
329 fFirstEvent = rhs.fFirstEvent;
330 fLastRun = rhs.fLastRun;
331 fLastEvent = rhs.fLastEvent;
334 fFileName = rhs.fFileName;
335 fFileSize = rhs.fFileSize;
336 fCompFactor = rhs.fCompFactor;
337 fCompMode = rhs.fCompMode;
338 fFilter = rhs.fFilter;
339 fRTHist = rhs.fRTHist ? (TH1F*) rhs.fRTHist->Clone() : 0;
345 //______________________________________________________________________________
346 void AliStats::Fill(Float_t time)
348 // Fill histogram. This histogram shows the (hopefully constant) time
349 // it takes to fill the ROOT DB.
350 // Expects to be called 100 times for each file.
353 fRTHist = new TH1F("rtime","Real-time to write data chunk", 100, 0, 100);
354 fRTHist->SetDirectory(0);
357 fRTHist->Fill(fChunk, time);
361 //______________________________________________________________________________
362 void AliStats::WriteToDB(AliRawDB *rawdb)
364 // Write stats to raw DB, local run DB and global MySQL DB.
366 AliRawEventHeader &header = *rawdb->GetEvent()->GetHeader();
368 // Write stats into RawDB
369 TDirectory *ds = gDirectory;
370 rawdb->GetDB()->cd();
371 SetEvents(rawdb->GetEvents());
372 SetLastId(header.GetRunNumber(), header.GetEventInRun());
373 SetFileSize(rawdb->GetBytesWritten());
374 SetCompressionFactor(rawdb->GetCompressionFactor());
379 // Write stats also in the bookkeeping RunDB
380 AliRunDB *rundb = new AliRunDB;
382 rundb->UpdateRDBMS(this);
383 rundb->UpdateAliEn(this);
387 //______________________________________________________________________________
388 AliRawDB::AliRawDB(AliRawEvent *event, Double_t maxsize, Int_t compress,
391 // Create a new raw DB containing at most maxsize bytes.
395 fCompress = compress;
397 // Consistency check with DATE header file
398 if (fEvent->GetHeader()->HeaderSize() != EVENT_HEAD_BASE_SIZE) {
399 Error("AliRawDB", "inconsistency between DATE and AliRawEvent headers");
410 //______________________________________________________________________________
411 Bool_t AliRawDB::FSHasSpace(const char *fs)
413 // Check for at least fMaxSize bytes of free space on the file system.
414 // If the space is not available return kFALSE, kTRUE otherwise.
416 Long_t id, bsize, blocks, bfree;
418 if (gSystem->GetFsInfo(fs, &id, &bsize, &blocks, &bfree) == 1) {
419 Error("FSHasSpace", "could not stat file system %s", fs);
423 // Leave 5 percent of diskspace free
424 Double_t avail = Double_t(bfree) * 0.95;
425 if (avail*bsize > fMaxSize)
428 Warning("FSHasSpace", "no space on file system %s", fs);
432 //______________________________________________________________________________
433 const char *AliRawDB::GetFileName()
435 // Return filename based on hostname and date and time. This will make
436 // each file unique. Also makes sure (via FSHasSpace()) that there is
437 // enough space on the file system to store the file. Returns 0 in
438 // case of error or interrupt signal.
440 static TString fname;
441 static Bool_t fstoggle = kFALSE;
443 TString fs = fstoggle ? kRawDBFS[1] : kRawDBFS[0];
446 TString hostname = gSystem->HostName();
448 if ((pos = hostname.Index(".")) != kNPOS)
449 hostname.Remove(pos);
451 if (!FSHasSpace(fs)) {
453 fstoggle = !fstoggle;
454 fs = fstoggle ? kRawDBFS[1] : kRawDBFS[0];
455 if (FSHasSpace(fs)) break;
456 Info("GetFileName", "sleeping 30 seconds before retrying...");
457 gSystem->Sleep(30000); // sleep for 30 seconds
458 if (gAliMDC && gAliMDC->StopLoop())
463 fname = fs + "/" + hostname + "_";
464 fname += dt.GetDate();
466 fname += dt.GetTime();
469 fstoggle = !fstoggle;
474 //______________________________________________________________________________
475 Bool_t AliRawDB::Create()
477 // Create a new raw DB.
480 const char *fname = GetFileName();
481 if (!fname) return kFALSE;
483 fRawDB = TFile::Open(fname, "RECREATE",
484 Form("ALICE MDC%d raw DB", kMDC), fCompress);
486 Error("Create", "did not find right plugin to open file");
489 if (fRawDB->IsZombie()) {
490 if (fRawDB->GetErrno() == ENOSPC ||
491 fRawDB->GetErrno() == 1018 || // SECOMERR
492 fRawDB->GetErrno() == 1027) { // SESYSERR
493 fRawDB->ResetErrno();
495 Warning("Create", "file is zombie, sleeping 10 seconds before retrying...");
496 gSystem->Sleep(10000); // sleep 10 seconds before retrying
499 Error("Create", "error opening raw DB");
504 // Create raw data TTree
510 //______________________________________________________________________________
511 void AliRawDB::MakeTree()
513 // Create ROOT Tree object container.
515 fTree = new TTree("RAW", Form("ALICE MDC%d raw data tree", kMDC));
516 fTree->SetAutoSave(2000000000); // autosave when 2 Gbyte written
518 Int_t bufsize = 256000;
519 // splitting 29.6 MB/s, no splitting 35.3 MB/s on P4 2GHz 15k SCSI
522 fTree->Branch("rawevent", "AliRawEvent", &fEvent, bufsize, split);
525 //______________________________________________________________________________
526 void AliRawDB::Close()
537 // Close DB, this also deletes the fTree
540 if (AliMDC::DeleteFiles()) {
541 gSystem->Unlink(fRawDB->GetName());
547 // Create semaphore to say this file is finished
548 Int_t tfd = ::creat(Form("%s.done", fRawDB->GetName()), 0644);
555 //______________________________________________________________________________
556 Bool_t AliRawDB::NextFile()
558 // Close te current file and open a new one.
559 // Returns kFALSE in case opening failed.
563 if (!Create()) return kFALSE;
567 //______________________________________________________________________________
568 Float_t AliRawDB::GetCompressionFactor() const
570 // Return compression factor.
572 if (fTree->GetZipBytes() == 0.)
575 return fTree->GetTotBytes()/fTree->GetZipBytes();
579 //______________________________________________________________________________
580 AliRawRFIODB::AliRawRFIODB(AliRawEvent *event, Double_t maxsize, Int_t compress)
581 : AliRawDB(event, maxsize, compress, kFALSE)
583 // Create a new raw DB that will be accessed via RFIO.
587 // Set STAGE_POOL environment variable to current host
589 // THESE ENVIRONMENT SYMBOLS ARE NOW DEFINED BY THE ALICE DATE SETUP
590 // THEREFORE WE SHALL NOT USE ANY HARDCODED VALUES BUT RATHER USE
591 // WHATEVER HAS BEEN SET IN THE DATE SITE
592 //gSystem->Setenv("STAGE_POOL", "lcg00");
593 //gSystem->Setenv("STAGE_HOST", "stage013");
601 fRawDB->UseCache(50, 0x200000); //0x100000 = 1MB)
604 //______________________________________________________________________________
605 const char *AliRawRFIODB::GetFileName()
607 // Return filename based on hostname and date and time. This will make
608 // each file unique. Also the directory will be made unique for each
609 // day by adding the date to the fs. Assumes there is always enough
610 // space on the device.
612 static TString fname;
614 TString fs = kRFIOFS;
617 // make a new subdirectory for each day
621 Long_t id, size, flags, time;
622 if (gSystem->GetPathInfo(fs, &id, &size, &flags, &time) == 1) {
623 // directory does not exist, create it
624 if (gSystem->mkdir(fs, kTRUE) == -1) {
625 Error("GetFileName", "cannot create dir %s, using %s", fs.Data(),
630 // FIXME: should check if fs is a directory
632 TString hostname = gSystem->HostName();
634 if ((pos = hostname.Index(".")) != kNPOS)
635 hostname.Remove(pos);
637 fname = fs + "/" + hostname + "_";
638 fname += dt.GetDate();
640 fname += dt.GetTime();
646 //______________________________________________________________________________
647 void AliRawRFIODB::Close()
649 // Close raw RFIO DB.
658 // Close DB, this also deletes the fTree
661 if (AliMDC::DeleteFiles()) {
662 TUrl u(fRawDB->GetName());
663 gSystem->Exec(Form("rfrm %s", u.GetFile()));
671 //______________________________________________________________________________
672 AliRawCastorDB::AliRawCastorDB(AliRawEvent *event, Double_t maxsize, Int_t compress)
673 : AliRawDB(event, maxsize, compress, kFALSE)
675 // Create a new raw DB that will be accessed via CASTOR and rootd.
679 // Set STAGE_POOL environment variable to current host
681 // THESE ENVIRONMENT SYMBOLS ARE NOW DEFINED BY THE ALICE DATE SETUP
682 // THEREFORE WE SHALL NOT USE ANY HARDCODED VALUES BUT RATHER USE
683 // WHATEVER HAS BEEN SET IN THE DATE SITE
684 //gSystem->Setenv("STAGE_POOL", "lcg00");
685 //gSystem->Setenv("STAGE_HOST", "stage013");
693 fRawDB->UseCache(50, 0x200000); //0x100000 = 1MB)
696 //______________________________________________________________________________
697 const char *AliRawCastorDB::GetFileName()
699 // Return filename based on hostname and date and time. This will make
700 // each file unique. Also the directory will be made unique for each
701 // day by adding the date to the fs. Assumes there is always enough
702 // space on the device.
704 static TString fname;
706 TString fs = kCastorFS;
707 TString fsr = kRFIOFS;
710 // make a new subdirectory for each day
717 Long_t id, size, flags, time;
718 if (gSystem->GetPathInfo(fsr, &id, &size, &flags, &time) == 1) {
719 // directory does not exist, create it
720 if (gSystem->mkdir(fsr, kTRUE) == -1) {
721 Error("GetFileName", "cannot create dir %s, using %s", fsr.Data(),
726 // FIXME: should check if fs is a directory
728 TString hostname = gSystem->HostName();
730 if ((pos = hostname.Index(".")) != kNPOS)
731 hostname.Remove(pos);
733 fname = fs + "/" + hostname + "_";
734 fname += dt.GetDate();
736 fname += dt.GetTime();
742 //______________________________________________________________________________
743 void AliRawCastorDB::Close()
745 // Close raw CASTOR/rootd DB.
754 // Close DB, this also deletes the fTree
757 if (AliMDC::DeleteFiles()) {
758 TUrl u(fRawDB->GetName());
759 gSystem->Exec(Form("rfrm %s", u.GetFile()));
767 //______________________________________________________________________________
768 AliRawRootdDB::AliRawRootdDB(AliRawEvent *event, Double_t maxsize, Int_t compress)
769 : AliRawDB(event, maxsize, compress, kFALSE)
771 // Create a new raw DB that will be accessed via rootd daemon.
776 fRawDB->UseCache(50, 0x200000); //0x100000 = 1MB)
779 //______________________________________________________________________________
780 const char *AliRawRootdDB::GetFileName()
782 // Return filename based on hostname and date and time. This will make
783 // each file unique. Also the directory will be made unique for each
784 // day by adding the date to the fs. Assumes there is always enough
785 // space on the device.
787 static TString fname;
789 TString fs = kRootdFS;
793 // make a new subdirectory for each day
797 Long_t id, size, flags, time;
798 if (gSystem->GetPathInfo(fs, &id, &size, &flags, &time) == 1) {
799 // directory does not exist, create it
800 if (gSystem->mkdir(fs, kTRUE) == -1) {
801 Error("GetFileName", "cannot create dir %s, using %s", fs.Data(),
806 // FIXME: should check if fs is a directory
809 TString hostname = gSystem->HostName();
811 if ((pos = hostname.Index(".")) != kNPOS)
812 hostname.Remove(pos);
814 fname = fs + "/" + hostname + "_";
815 fname += dt.GetDate();
817 fname += dt.GetTime();
823 //______________________________________________________________________________
824 void AliRawRootdDB::Close()
826 // Close raw rootd DB.
835 // Close DB, this also deletes the fTree
839 // can use services of TFTP
840 if (AliMDC::DeleteFiles())
841 gSystem->Exec(Form("rfrm %s", fRawDB->GetName()));
849 //______________________________________________________________________________
850 AliRawNullDB::AliRawNullDB(AliRawEvent *event, Double_t maxsize, Int_t compress)
851 : AliRawDB(event, maxsize, compress, kFALSE)
853 // Create a new raw DB that will wrtie to /dev/null.
859 //______________________________________________________________________________
860 const char *AliRawNullDB::GetFileName()
862 // Return /dev/null as filename.
867 //______________________________________________________________________________
868 void AliRawNullDB::Close()
870 // Close raw RFIO DB.
879 // Close DB, this also deletes the fTree
887 //______________________________________________________________________________
888 AliTagDB::AliTagDB(AliRawEventHeader *header, Double_t maxsize, Bool_t create)
901 //______________________________________________________________________________
902 Bool_t AliTagDB::Create()
904 // Create a new tag DB.
906 fTagDB = new TFile(GetFileName(), "RECREATE",
907 Form("ALICE MDC%d tag DB", kMDC), 1);
908 if (fTagDB->IsZombie()) {
909 Error("Create", "error opening tag DB");
914 // Create ROOT Tree object container
915 fTree = new TTree("TAG", Form("ALICE MDC%d header data tree", kMDC));
916 fTree->SetAutoSave(100000000); // autosave when 100 Mbyte written
918 Int_t bufsize = 32000;
920 fTree->Branch("header", "AliRawEventHeader", &fHeader, bufsize, split);
925 //______________________________________________________________________________
926 void AliTagDB::Close()
937 // Close DB, this also deletes the fTree
940 if (AliMDC::DeleteFiles())
941 gSystem->Unlink(fTagDB->GetName());
947 //______________________________________________________________________________
948 Bool_t AliTagDB::NextFile()
950 // Close te current file and open a new one.
951 // Returns kFALSE in case opening failed.
955 if (!Create()) return kFALSE;
959 //______________________________________________________________________________
960 Float_t AliTagDB::GetCompressionFactor() const
962 // Return compression factor.
964 if (fTree->GetZipBytes() == 0.)
967 return fTree->GetTotBytes()/fTree->GetZipBytes();
970 //______________________________________________________________________________
971 const char *AliTagDB::GetFileName()
973 // Return filename based on hostname and date and time. This will make
974 // each file unique. The tags will be stored in the /data1/tags directory.
976 static char fname[64];
977 const char *fs = kTagDBFS;
979 // check that fs exists (crude check fails if fs is a file)
980 gSystem->MakeDirectory(fs);
984 strcpy(hostname, gSystem->HostName());
987 if ((s = strchr(hostname, '.')))
992 sprintf(fname, "%s/%s_%d_%d.root", fs, hostname, dt.GetDate(), dt.GetTime());
998 //______________________________________________________________________________
999 AliTagNullDB::AliTagNullDB(AliRawEventHeader *header, Double_t maxsize) :
1000 AliTagDB(header, maxsize, kFALSE)
1002 // Create tag db writing to /dev/null.
1008 //______________________________________________________________________________
1009 const char *AliTagNullDB::GetFileName()
1011 // Return /dev/null as filename.
1016 //______________________________________________________________________________
1017 void AliTagNullDB::Close()
1019 // Close null tag DB.
1021 if (!fTagDB) return;
1028 // Close DB, this also deletes the fTree
1036 //______________________________________________________________________________
1037 AliRunDB::AliRunDB()
1039 // Open run database, and get or create tree.
1042 char hostname[64], filename[64];
1043 const char *fs = kRunDBFS;
1045 // check that fs exists (crude check fails if fs is a file)
1046 gSystem->MakeDirectory(fs);
1048 strcpy(hostname, gSystem->HostName());
1051 if ((s = strchr(hostname, '.')))
1054 sprintf(filename, "%s/%s_rundb.root", fs, hostname);
1056 if (!gSystem->AccessPathName(filename, kFileExists))
1057 fRunDB = new TFile(filename, "UPDATE");
1059 fRunDB = new TFile(filename, "CREATE", Form("ALICE MDC%d Run DB", kMDC));
1062 //______________________________________________________________________________
1063 void AliRunDB::Update(AliStats *stats)
1065 // Add stats object to database.
1067 TDirectory *ds = gDirectory;
1071 char *s = (char*)strrchr(stats->GetFileName(), '/');
1076 strcpy(sname, stats->GetFileName());
1077 s = strchr(sname, '.');
1080 stats->Write(sname);
1085 //______________________________________________________________________________
1086 void AliRunDB::UpdateRDBMS(AliStats *stats)
1088 // Add stats object to central MySQL DB.
1091 char bt[25], et[25];
1093 strcpy(bt, stats->GetBeginTime().AsSQLString());
1094 strcpy(et, stats->GetEndTime().AsSQLString());
1096 sprintf(sql, "INSERT INTO mdc%dcatalog VALUES (0, '%s', %d, "
1097 "%d, %d, %d, %d, %d, %d, %.2f, '%s', '%s', '%s')", kMDC,
1098 stats->GetFileName(), (int)stats->GetFileSize(), stats->GetEvents(),
1099 stats->GetFirstRun(), stats->GetFirstEvent(), stats->GetLastRun(),
1100 stats->GetLastEvent(), stats->GetCompressionMode(),
1101 stats->GetCompressionFactor(), stats->GetFilterState() ? "on" : "off",
1104 // open connection to MySQL server on pcsalo
1105 TSQLServer *db = TSQLServer::Connect("mysql://pcsalo.cern.ch/mdc", "alice", "amdc");
1107 if (!db || db->IsZombie()) {
1108 Error("UpdateRDBMS", "failed to connect to MySQL server on pcsalo");
1109 printf("%s\n", sql);
1114 TSQLResult *res = db->Query(sql);
1117 Error("UpdateRDBMS", Form("insert into mdc%dcatalog failed", kMDC));
1118 printf("%s\n", sql);
1125 //______________________________________________________________________________
1126 void AliRunDB::UpdateAliEn(AliStats *stats)
1128 // Record file in AliEn catalog.
1130 TGrid *g = TGrid::Connect(kAlienHost, "");
1132 TString lfn = kAlienDir;
1134 lfn += gSystem->BaseName(stats->GetFileName());
1136 printf("AliEn: AddFile(%s, %s, %d)\n", lfn.Data(), stats->GetFileName(),
1137 (int)stats->GetFileSize());
1140 //g->AddFile(lfn, stats->GetFileName(), (int)stats->GetFileSize());
1145 //______________________________________________________________________________
1146 void AliRunDB::Close()
1148 // Close run database.
1154 //----------------- Use SIGUSR1 to interupt endless loop -----------------------
1155 class AliMDCInterruptHandler : public TSignalHandler {
1157 AliMDC *fMDC; // alimdc to signal
1159 AliMDCInterruptHandler(AliMDC *mdc) : TSignalHandler(kSigUser1, kFALSE), fMDC(mdc) { }
1160 Bool_t Notify() { fMDC->SetStopLoop(); return kTRUE; }
1163 //______________________________________________________________________________
1164 AliMDC::AliMDC(Int_t fd, Int_t compress, Double_t maxFileSize, Bool_t useFilter,
1165 EWriteMode mode, Bool_t useLoop, Bool_t delFiles)
1167 // Create MDC processor object.
1170 fCompress = compress;
1171 fMaxFileSize = maxFileSize;
1172 fUseFilter = useFilter;
1180 fgDeleteFiles = delFiles;
1184 if (!ebRegister()) {
1185 Error("AliMDC", "cannot register with the event builder (%s)",
1191 if ((mkfifo(kFifo, 0644) < 0) && (errno != EEXIST)) {
1192 Error("AliMDC", "cannot create fifo %s", kFifo);
1195 if ((chmod(kFifo, 0666) == -1) && (errno != EPERM)) {
1196 Error("AliMDC", "cannot change permission of fifo %s", kFifo);
1199 if ((fFd = open(kFifo, O_RDONLY)) == -1) {
1200 Error("AliMDC", "cannot open input file %s", kFifo);
1208 printf("<AliMDC::AliMDC>: input = %s, rawdb size = %f, filter = %s, "
1209 "looping = %s, compression = %d, delete files = %s",
1210 fUseFifo ? "fifo" : (fUseEb ? "eb" : "file"), fMaxFileSize,
1211 fUseFilter ? "on" : "off", fUseLoop ? "yes" : "no", fCompress,
1212 fgDeleteFiles ? "yes" : "no");
1213 if (fWriteMode == kRFIO)
1214 printf(", use RFIO\n");
1215 else if (fWriteMode == kROOTD)
1216 printf(", use rootd\n");
1217 else if (fWriteMode == kCASTOR)
1218 printf(", use CASTOR/rootd\n");
1219 else if (fWriteMode == kDEVNULL)
1220 printf(", write raw data to /dev/null\n");
1224 // install SIGUSR1 handler to allow clean interrupts
1225 gSystem->AddSignalHandler(new AliMDCInterruptHandler(this));
1230 //______________________________________________________________________________
1233 // Run the MDC processor. Read from the input stream and only return
1234 // when the input gave and EOF or a fatal error occured. On success 0
1235 // is returned, 1 in case of a fatality.
1240 // Make sure needed directories exist
1241 const char *dirs[4];
1242 dirs[0] = kRawDBFS[0];
1243 dirs[1] = kRawDBFS[1];
1246 for (int idir = 0; idir < 4; idir++) {
1247 gSystem->ResetErrno();
1248 gSystem->MakeDirectory(dirs[idir]);
1249 if (gSystem->GetErrno() && gSystem->GetErrno() != EEXIST) {
1250 SysError("Run", "mkdir %s", dirs[idir]);
1255 // Used for statistics
1257 Double_t told = 0, tnew = 0;
1258 Float_t chunkSize = fMaxFileSize/100, nextChunk = chunkSize;
1260 // Event object used to store event data.
1261 AliRawEvent *event = new AliRawEvent;
1263 // Create new raw DB.
1265 if (fWriteMode == kRFIO)
1266 rawdb = new AliRawRFIODB(event, fMaxFileSize, fCompress);
1267 else if (fWriteMode == kROOTD)
1268 rawdb = new AliRawRootdDB(event, fMaxFileSize, fCompress);
1269 else if (fWriteMode == kCASTOR)
1270 rawdb = new AliRawCastorDB(event, fMaxFileSize, fCompress);
1271 else if (fWriteMode == kDEVNULL)
1272 rawdb = new AliRawNullDB(event, fMaxFileSize, fCompress);
1274 rawdb = new AliRawDB(event, fMaxFileSize, fCompress);
1276 if (rawdb->IsZombie()) return 1;
1277 printf("Filling raw DB %s\n", rawdb->GetDBName());
1279 // Create new tag DB.
1280 AliTagDB *tagdb = 0;
1282 // no tagdb for the time being to get maximum speed
1283 if (fWriteMode == kDEVNULL)
1284 tagdb = new AliTagNullDB(event->GetHeader(), kMaxTagFileSize);
1286 tagdb = new AliTagDB(event->GetHeader(), kMaxTagFileSize);
1287 if (tagdb->IsZombie())
1290 printf("Filling tag DB %s\n", tagdb->GetDBName());
1293 // Create AliStats object
1294 AliStats *stats = new AliStats(rawdb->GetDBName(), fCompress, fUseFilter);
1296 // Shortcut for easy header access
1297 AliRawEventHeader &header = *event->GetHeader();
1299 // Process input stream
1302 struct iovec *ebvec;
1303 if ((ebvec = ebGetNextEvent()) == (void *)-1) {
1304 Error("Run", "error getting next event (%s)", ebGetLastError());
1308 // no event, sleep for 1 second and try again
1309 gSystem->Sleep(1000);
1312 char *ebdata = (char *) ebvec[0].iov_base;
1318 // Read event header
1319 if ((status = ReadHeader(header, ebdata)) != header.HeaderSize()) {
1323 ::lseek(fFd, 0, SEEK_SET);
1327 printf("<AliMDC::Run>: EOF, processed %d events\n", fNumEvents);
1333 // If we were in looping mode stop directly after a SIGUSR1 signal
1335 Info("Run", "SIGUSR1, processed %d events", fNumEvents);
1339 // Check if event has any hard track flagged
1340 Bool_t callFilter = kFALSE;
1341 // This needs to be re-engineered for the next ADC...
1342 //if (fUseFilter && TEST_USER_ATTRIBUTE(header.GetTypeAttribute(), 0))
1343 // callFilter = kTRUE;
1345 // Check event type and skip "Start of Run", "End of Run",
1346 // "Start of Run Files" and "End of Run Files"
1347 switch (header.GetType()) {
1350 case kStartOfRunFiles:
1351 case kEndOfRunFiles:
1353 Int_t skip = header.GetEventSize() - header.HeaderSize();
1355 ::lseek(fFd, skip, SEEK_CUR);
1358 Info("Run", "Skipping %s (%d bytes)", header.GetTypeName(), skip);
1364 Int_t s = header.GetEventSize() - header.HeaderSize();
1365 Info("Run", "Processing %s (%d bytes)", header.GetTypeName(), s);
1369 // Amount of data left to read for this event
1370 Int_t toRead = header.GetEventSize() - header.HeaderSize();
1372 // If there is less data for this event than the next sub-event
1373 // header, something is wrong. Skip to next event...
1374 if (toRead < header.HeaderSize()) {
1375 if ((status = DumpEvent(toRead)) != toRead) {
1380 Error("Run", "discarding event %d (too little data for header)", fNumEvents);
1384 // Loop over all sub-events... (LDCs)
1385 while (toRead > 0) {
1388 ebdata = (char *)ebvec[nsub].iov_base;
1392 Info("Run", "reading LDC %d", nsub);
1394 AliRawEvent *subEvent = event->NextSubEvent();
1396 // Read sub-event header
1397 AliRawEventHeader &subHeader = *subEvent->GetHeader();
1398 if ((status = ReadHeader(subHeader, ebdata)) != subHeader.HeaderSize()) {
1400 Error("Run", "unexpected EOF reading sub-event header");
1406 toRead -= subHeader.HeaderSize();
1409 ebdata = (char *)(ebvec[nsub].iov_base) + subHeader.HeaderSize();
1412 Int_t rawSize = subHeader.GetEventSize() - subHeader.HeaderSize();
1414 // Read Equipment Header (in case of physics or calibration event)
1415 if (header.GetType() == kPhysicsEvent ||
1416 header.GetType() == kCalibrationEvent) {
1417 AliRawEquipmentHeader &equipment = *subEvent->GetEquipmentHeader();
1418 Int_t equipHeaderSize = equipment.HeaderSize();
1419 if ((status = ReadEquipmentHeader(equipment, header.DataIsSwapped(),
1420 ebdata)) != equipHeaderSize) {
1422 Error("Run", "unexpected EOF reading equipment-header");
1427 toRead -= equipHeaderSize;
1428 rawSize -= equipHeaderSize;
1430 ebdata = (char *)(ebvec[nsub].iov_base) + subHeader.HeaderSize() +
1435 // Make sure raw data less than left over bytes for current event
1436 if (rawSize > toRead) {
1437 if ((status = DumpEvent(toRead)) != toRead) {
1442 Error("Run", "discarding event %d (too much data)", fNumEvents);
1446 // Read sub-event raw data
1447 AliRawData &subRaw = *subEvent->GetRawData();
1448 if ((status = ReadRawData(subRaw, rawSize, ebdata)) != rawSize) {
1450 Error("Run", "unexpected EOF reading sub-event raw data");
1457 if (TEST_USER_ATTRIBUTE(subHeader.GetTypeAttribute(), 0))
1460 // set size of all sectors without hard track flag to 0
1469 // Set stat info for first event of this file
1470 if (rawdb->GetEvents() == 0)
1471 stats->SetFirstId(header.GetRunNumber(), header.GetEventInRun());
1473 // Store raw event in tree
1476 // Store header in tree
1477 if (tagdb) tagdb->Fill();
1481 if (!(fNumEvents%10))
1482 printf("Processed event %d (%d)\n", fNumEvents, rawdb->GetEvents());
1484 // Filling time statistics
1485 if (rawdb->GetBytesWritten() > nextChunk) {
1486 tnew = timer.RealTime();
1487 stats->Fill(tnew-told);
1490 nextChunk += chunkSize;
1493 // Check size of raw db. If bigger than maxFileSize, close file
1494 // and continue with new file.
1495 if (rawdb->FileFull()) {
1497 printf("Written raw DB at a rate of %.1f MB/s\n",
1498 Float_t(fMaxFileSize / timer.RealTime() / 1000000.));
1500 // Write stats object to raw db, run db and MySQL
1501 stats->WriteToDB(rawdb);
1504 if (!rawdb->NextFile()) return 1;
1506 printf("Filling raw DB %s\n", rawdb->GetDBName());
1507 stats = new AliStats(rawdb->GetDBName(), fCompress, fUseFilter);
1511 nextChunk = chunkSize;
1514 // Check size of tag db
1515 if (tagdb && tagdb->FileFull()) {
1516 if (!tagdb->NextFile())
1519 printf("Filling tag DB %s\n", tagdb->GetDBName());
1522 // Make top event object ready for next event data
1523 //printf("Event %d has %d sub-events\n", fNumEvents, event->GetNSubEvents());
1527 if (!ebReleaseEvent(ebvec)) {
1528 Error("Run", "problem releasing event (%s)", ebGetLastError());
1534 printf("Written raw DB at a rate of %.1f MB/s\n",
1535 Float_t(fMaxFileSize / timer.RealTime() / 1000000.));
1537 // Write stats to raw db and run db and delete stats object
1538 stats->WriteToDB(rawdb);
1547 // Close input source
1552 if (fUseFifo && ::unlink(kFifo) == -1) {
1553 SysError("Run", "unlink");
1561 //______________________________________________________________________________
1562 Int_t AliMDC::Read(void *buffer, Int_t length)
1564 // Read exactly length bytes into buffer. Returns number of bytes
1565 // received, returns -1 in case of error and 0 for EOF.
1569 if (fFd < 0) return -1;
1572 char *buf = (char *)buffer;
1574 for (n = 0; n < length; n += nrecv) {
1575 if ((nrecv = read(fFd, buf+n, length-n)) <= 0) {
1579 SysError("Read", "read");
1586 //______________________________________________________________________________
1587 Int_t AliMDC::ReadHeader(AliRawEventHeader &header, void *eb)
1589 // Read header info from DATE data stream. Returns bytes read (i.e.
1590 // AliRawEventHeader::HeaderSize()), -1 in case of error and 0 for EOF.
1595 // read from event builder memory area
1596 memcpy(header.HeaderBegin(), eb, header.HeaderSize());
1597 nrecv = header.HeaderSize();
1599 // read from fifo or file
1600 if ((nrecv = Read(header.HeaderBegin(), header.HeaderSize())) !=
1601 header.HeaderSize()) {
1608 // Swap header data if needed
1609 if (header.IsSwapped())
1612 // Is header valid...
1613 if (!header.IsValid()) {
1614 Error("ReadHeader", "invalid header format");
1615 // try recovery... how?
1618 if (header.GetEventSize() < (UInt_t)header.HeaderSize()) {
1619 Error("ReadHeader", "invalid header size");
1620 // try recovery... how?
1627 //______________________________________________________________________________
1628 Int_t AliMDC::ReadEquipmentHeader(AliRawEquipmentHeader &header,
1629 Bool_t isSwapped, void *eb)
1631 // Read equipment header info from DATE data stream. Returns bytes read
1632 // (i.e. AliRawEquipmentHeader::HeaderSize()), -1 in case of error and
1633 // 0 for EOF. If isSwapped is kTRUE the event data is byte swapped
1634 // and we will swap the header to host format.
1639 // read from event builder memory area
1640 memcpy(header.HeaderBegin(), eb, header.HeaderSize());
1641 nrecv = header.HeaderSize();
1643 // read from fifo or file
1644 if ((nrecv = Read(header.HeaderBegin(), header.HeaderSize())) !=
1645 header.HeaderSize()) {
1652 // Swap equipment header data if needed
1656 if (header.GetEquipmentSize() < (UInt_t)header.HeaderSize()) {
1657 Error("ReadEquipmentHeader", "invalid equipment header size");
1658 // try recovery... how?
1665 //______________________________________________________________________________
1666 Int_t AliMDC::ReadRawData(AliRawData &raw, Int_t size, void *eb)
1668 // Read raw data from DATE data stream. Returns bytes read (i.e.
1669 // AliRawEventHeader::HeaderSize()), -1 in case of error and 0 for EOF.
1674 // read from event builder memory area
1675 raw.SetBuffer(eb, size);
1678 // read from fifo or file
1680 if ((nrecv = Read(raw.GetBuffer(), size)) != size) {
1682 Error("ReadRawData", "unexpected EOF");
1692 //______________________________________________________________________________
1693 Int_t AliMDC::DumpEvent(Int_t toRead)
1695 // This case should not happen, but if it does try to handle it
1696 // gracefully by reading the rest of the event and discarding it.
1697 // Returns bytes read, -1 in case of fatal error and 0 for EOF.
1699 Error("DumpEvent", "dumping %d bytes of event %d", toRead, fNumEvents);
1702 char *tbuf = new char[toRead];
1703 if ((nrecv = Read(tbuf, toRead)) != toRead) {
1705 Error("DumpEvent", "unexpected EOF");
1716 #include <AliTPCL3Tunnel.h>
1719 //______________________________________________________________________________
1720 Int_t AliMDC::Filter(AliRawData &raw)
1722 // Call 3rd level filter for this raw data segment.
1725 AliTPCL3Tunnel *tunnel = 0;
1728 tunnel = new AliTPCL3Tunnel(Form("%s/TPCparams.root",
1729 gSystem->Getenv("ALITPC")));
1732 Int_t obytes, nbytes;
1733 obytes = nbytes = raw.GetSize();
1734 char *outbuf = tunnel->EvalTrack((char *)raw.GetBuffer(), nbytes);
1736 raw.SetSize(nbytes);
1737 memcpy(raw.GetBuffer(), outbuf, nbytes);
1739 printf("Filter called for event %d: reduced from %d to %d\n", fNumEvents,
1745 printf("Filter called for event %d\n", fNumEvents);