[u/mrichter/AliRoot.git] / RAW / AliRawDB.cxx

// @(#)alimdc:$Name$:$Id$
// Author: Fons Rademakers  26/11/99

/**************************************************************************
 * Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

//////////////////////////////////////////////////////////////////////////
//                                                                      //
// AliRawDB                                                             //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#include <errno.h>

#include <TSystem.h>
#include <TKey.h>

#include "AliESD.h"
#include "AliRawEvent.h"
#include "AliRawEventHeaderBase.h"
#include "AliStats.h"

#include "AliRawDB.h"


ClassImp(AliRawDB)


//______________________________________________________________________________
AliRawDB::AliRawDB(AliRawEvent *event,
		   AliESD *esd, 
		   Int_t compress,
                   const char* fileName) :
  fRawDB(NULL),
  fTree(NULL),
  fEvent(event),
  fESDTree(NULL),
  fESD(esd),
  fCompress(compress),
  fMaxSize(-1),
  fFS1(""),
  fFS2(""),
  fDeleteFiles(kFALSE),
  fStop(kFALSE)
{
   // Create a new raw DB

   if (fileName) {
      if (!Create(fileName))
         MakeZombie();
   }
}

//______________________________________________________________________________
AliRawDB::AliRawDB(const AliRawDB& rawDB): TObject(rawDB)
{
// copy constructor

  Fatal("AliRawDB", "copy constructor not implemented");
}

//______________________________________________________________________________
AliRawDB& AliRawDB::operator = (const AliRawDB& /*rawDB*/)
{
// assignment operator

  Fatal("operator =", "assignment operator not implemented");
  return *this;
}

//______________________________________________________________________________
Bool_t AliRawDB::FSHasSpace(const char *fs) const
{
   // Check for at least fMaxSize bytes of free space on the file system.
   // If the space is not available return kFALSE, kTRUE otherwise.

   Long_t id, bsize, blocks, bfree;

   if (gSystem->GetFsInfo(fs, &id, &bsize, &blocks, &bfree) == 1) {
      Error("FSHasSpace", "could not stat file system %s", fs);
      return kFALSE;
   }

   // Leave 5 percent of diskspace free
   Double_t avail = Double_t(bfree) * 0.95;
   if (avail*bsize > fMaxSize)
      return kTRUE;

   Warning("FSHasSpace", "no space on file system %s", fs);
   return kFALSE;
}

//______________________________________________________________________________
const char *AliRawDB::GetFileName() const
{
   // Return filename based on hostname and date and time. This will make
   // each file unique. Also makes sure (via FSHasSpace()) that there is
   // enough space on the file system to store the file. Returns 0 in
   // case of error or interrupt signal.

   static TString fname;
   static Bool_t  fstoggle = kFALSE;

   TString fs = fstoggle ? fFS2 : fFS1;
   TDatime dt;

   TString hostname = gSystem->HostName();
   Int_t pos;
   if ((pos = hostname.Index(".")) != kNPOS)
      hostname.Remove(pos);

   if (!FSHasSpace(fs)) {
      while (1) {
         fstoggle = !fstoggle;
         fs = fstoggle ? fFS2 : fFS1;
         if (FSHasSpace(fs)) break;
         Info("GetFileName", "sleeping 30 seconds before retrying...");
         gSystem->Sleep(30000);   // sleep for 30 seconds
         if (fStop) return 0;
      }
   }

   fname = fs + "/" + hostname + "_";
   fname += dt.GetDate();
   fname += "_";
   fname += dt.GetTime();
   fname += ".root";

   fstoggle = !fstoggle;

   return fname;
}

//______________________________________________________________________________
void AliRawDB::SetFS(const char* fs1, const char* fs2)
{
// set the file system location

  fFS1 = fs1;
  if (fs1 && !fFS1.Contains(":")) {
    gSystem->ResetErrno();
    gSystem->MakeDirectory(fs1);
    if (gSystem->GetErrno() && gSystem->GetErrno() != EEXIST) {
      SysError("SetFS", "mkdir %s", fs1);
    }
  }

  fFS2 = fs2;
  if (fs2) {
    gSystem->ResetErrno();
    gSystem->MakeDirectory(fs2);
    if (gSystem->GetErrno() && gSystem->GetErrno() != EEXIST) {
      SysError("SetFS", "mkdir %s", fs2);
    }
  }
}

//______________________________________________________________________________
Bool_t AliRawDB::Create(const char* fileName)
{
   // Create a new raw DB.

   const Int_t kMaxRetry = 1;
   const Int_t kMaxSleep = 1;      // seconds
   const Int_t kMaxSleepLong = 10; // seconds
   Int_t retry = 0;

again:
   if (fStop) return kFALSE;

   const char *fname = fileName;
   if (!fname) fname = GetFileName();
   if (!fname) {
      Error("Create", "error getting raw DB file name");
      return kFALSE;
   }

   retry++;

   fRawDB = TFile::Open(fname, GetOpenOption(),
			Form("ALICE MDC%d raw DB", kMDC), fCompress,
			GetNetopt());
   if (!fRawDB) {
      if (retry < kMaxRetry) {
         Warning("Create", "failure to open file, sleeping %d %s before retrying...",
                 kMaxSleep, kMaxSleep==1 ? "second" : "seconds");
         gSystem->Sleep(kMaxSleep*1000);
         goto again;
      }
      Error("Create", "failure to open file %s after %d tries", fname, kMaxRetry);
      return kFALSE;
   }
   if (retry > 1)
      Warning("Create", "succeeded to open file after %d retries", retry);

   if (fRawDB->IsZombie()) {
      if (fRawDB->GetErrno() == ENOSPC ||
          fRawDB->GetErrno() == 1018   ||   // SECOMERR
          fRawDB->GetErrno() == 1027) {     // SESYSERR
         fRawDB->ResetErrno();
         delete fRawDB;
         Warning("Create", "file is a zombie (no space), sleeping %d %s before retrying...",
                 kMaxSleepLong, kMaxSleepLong==1 ? "second" : "seconds");
         gSystem->Sleep(kMaxSleepLong*1000);   // sleep 10 seconds before retrying
         goto again;
      }
      Error("Create", "file %s is zombie", fname);
      fRawDB->ResetErrno();
      delete fRawDB;
      fRawDB = 0;
      if (retry < kMaxRetry) {
         Warning("Create", "file is a zombie, sleeping %d %s before retrying...",
                 kMaxSleep, kMaxSleep==1 ? "second" : "seconds");
         gSystem->Sleep(kMaxSleep*1000);
         goto again;
      }
      Error("Create", "failure to open file %s after %d tries", fname, kMaxRetry);
      return kFALSE;
   }

   // Create raw data TTree
   MakeTree();

   return kTRUE;
}

//______________________________________________________________________________
void AliRawDB::MakeTree()
{
   // Create ROOT Tree object container.

   fTree = new TTree("RAW", Form("ALICE MDC%d raw data tree", kMDC));
   fTree->SetAutoSave(2000000000);  // autosave when 2 Gbyte written

   Int_t bufsize = 256000;
   // splitting 29.6 MB/s, no splitting 35.3 MB/s on P4 2GHz 15k SCSI
   //Int_t split   = 1;
   Int_t split   = 0;
   fTree->Branch("rawevent", "AliRawEvent", &fEvent, bufsize, split);

   // Create tree which will contain the HLT ESD information

   if (fESD) {
     fESDTree = new TTree("esdTree", Form("ALICE MDC%d HLT ESD tree", kMDC));
     fESDTree->SetAutoSave(2000000000);  // autosave when 2 Gbyte written
     split   = 0;
     fESDTree->Branch("ESD", "AliESD", &fESD, bufsize, split);
   }

}

//______________________________________________________________________________
Int_t AliRawDB::Close()
{
   // Close raw DB.
   if (!fRawDB) return 0;

   if (!fRawDB->IsOpen()) return 0;

   fRawDB->cd();

   // Write the tree.
   Bool_t error = kFALSE;
   if (fTree->Write() == 0)
     error = kTRUE;
   if (fESDTree)
     if (fESDTree->Write() == 0)
       error = kTRUE;

   // Close DB, this also deletes the fTree
   fRawDB->Close();

   Int_t filesize = fRawDB->GetEND();

   if (fDeleteFiles) {
      gSystem->Unlink(fRawDB->GetName());
      delete fRawDB;
      fRawDB = 0;
      if(!error)
	return filesize;
      else
	return -1;
   }

   // Create semaphore to say this file is finished
   Int_t tfd = ::creat(Form("%s.done", fRawDB->GetName()), 0644);
   close(tfd);

   delete fRawDB;
   fRawDB = 0;
   if(!error)
     return filesize;
   else
     return -1;
}

//______________________________________________________________________________
Int_t AliRawDB::Fill()
{
   // Fill the trees and return the number of written bytes

   Double_t bytes = fRawDB->GetBytesWritten();
   Bool_t error = kFALSE;
   if (fTree->Fill() == -1)
     error = kTRUE;
   if (fESDTree) 
     if (fESDTree->Fill() == -1)
       error = kTRUE;
   if(!error)
     return Int_t(fRawDB->GetBytesWritten() - bytes);
   else
     return -1;
}

//______________________________________________________________________________
Int_t AliRawDB::GetTotalSize()
{
   // Return the total size of the trees
  Int_t total = 0;

  {
    Int_t skey = 0;
    TDirectory *dir = fTree->GetDirectory();
    if (dir) {
      TKey *key = dir->GetKey(fTree->GetName());
      if (key) skey = key->GetKeylen();
    }
    total += skey;
    if (fTree->GetZipBytes() > 0) total += fTree->GetTotBytes();
    TBuffer b(TBuffer::kWrite,10000);
    TTree::Class()->WriteBuffer(b,fTree);
    total += b.Length();
  }

  if(fESDTree)
    {
      Int_t skey = 0;
      TDirectory *dir = fESDTree->GetDirectory();
      if (dir) {
	TKey *key = dir->GetKey(fESDTree->GetName());
	if (key) skey = key->GetKeylen();
      }
      total += skey;
      if (fESDTree->GetZipBytes() > 0) total += fESDTree->GetTotBytes();
      TBuffer b(TBuffer::kWrite,10000);
      TTree::Class()->WriteBuffer(b,fESDTree);
      total += b.Length();
    }

  return total;
}

//______________________________________________________________________________
void AliRawDB::WriteStats(AliStats* stats)
{
   // Write stats to raw DB, local run DB and global MySQL DB.

   AliRawEventHeaderBase &header = *GetEvent()->GetHeader();

   // Write stats into RawDB
   TDirectory *ds = gDirectory;
   GetDB()->cd();
   stats->SetEvents(GetEvents());
   stats->SetLastId(header.Get("RunNb"), header.GetP("Id")[0]);
   stats->SetFileSize(GetBytesWritten());
   stats->SetCompressionFactor(GetCompressionFactor());
   stats->SetEndTime();
   stats->Write("stats");
   ds->cd();
}

//______________________________________________________________________________
Bool_t AliRawDB::NextFile(const char* fileName)
{
   // Close te current file and open a new one.
   // Returns kFALSE in case opening failed.

   Close();

   if (!Create(fileName)) return kFALSE;
   return kTRUE;
}

//______________________________________________________________________________
Float_t AliRawDB::GetCompressionFactor() const
{
   // Return compression factor.

   if (fTree->GetZipBytes() == 0.)
      return 1.0;
   else
      return fTree->GetTotBytes()/fTree->GetZipBytes();
}
Commit	Line	Data
a197a4ce	1	// @(#)alimdc:$Name$:$Id$
	2	// Author: Fons Rademakers 26/11/99
	3
	4	/**************************************************************************
	5	* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
	6	* *
	7	* Author: The ALICE Off-line Project. *
	8	* Contributors are mentioned in the code where appropriate. *
	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
	19	//////////////////////////////////////////////////////////////////////////
	20	// //
	21	// AliRawDB //
	22	// //
	23	//////////////////////////////////////////////////////////////////////////
	24
	25	#include <errno.h>
	26
	27	#include <TSystem.h>
d21e9888	28	#include <TKey.h>
a197a4ce	29
52f36b9b	30	#include "AliESD.h"
a197a4ce	31	#include "AliRawEvent.h"
f2dc6b20	32	#include "AliRawEventHeaderBase.h"
b7d09bb3	33	#include "AliStats.h"
a109e73e	34
a197a4ce	35	#include "AliRawDB.h"
	36
	37
	38	ClassImp(AliRawDB)
	39
	40
	41	//______________________________________________________________________________
a109e73e	42	AliRawDB::AliRawDB(AliRawEvent *event,
a109e73e	43	AliESD *esd,
e10815f1	44	Int_t compress,
	45	const char* fileName) :
	46	fRawDB(NULL),
	47	fTree(NULL),
	48	fEvent(event),
	49	fESDTree(NULL),
	50	fESD(esd),
	51	fCompress(compress),
	52	fMaxSize(-1),
	53	fFS1(""),
	54	fFS2(""),
	55	fDeleteFiles(kFALSE),
	56	fStop(kFALSE)
a197a4ce	57	{
e10815f1	58	// Create a new raw DB
a197a4ce	59
e10815f1	60	if (fileName) {
e10815f1	61	if (!Create(fileName))
a197a4ce	62	MakeZombie();
	63	}
	64	}
	65
	66	//______________________________________________________________________________
	67	AliRawDB::AliRawDB(const AliRawDB& rawDB): TObject(rawDB)
	68	{
	69	// copy constructor
	70
	71	Fatal("AliRawDB", "copy constructor not implemented");
	72	}
	73
	74	//______________________________________________________________________________
	75	AliRawDB& AliRawDB::operator = (const AliRawDB& /rawDB/)
	76	{
	77	// assignment operator
	78
	79	Fatal("operator =", "assignment operator not implemented");
	80	return *this;
	81	}
	82
	83	//______________________________________________________________________________
	84	Bool_t AliRawDB::FSHasSpace(const char *fs) const
	85	{
	86	// Check for at least fMaxSize bytes of free space on the file system.
	87	// If the space is not available return kFALSE, kTRUE otherwise.
	88
	89	Long_t id, bsize, blocks, bfree;
	90
	91	if (gSystem->GetFsInfo(fs, &id, &bsize, &blocks, &bfree) == 1) {
	92	Error("FSHasSpace", "could not stat file system %s", fs);
	93	return kFALSE;
	94	}
	95
	96	// Leave 5 percent of diskspace free
	97	Double_t avail = Double_t(bfree) * 0.95;
	98	if (avail*bsize > fMaxSize)
	99	return kTRUE;
	100
	101	Warning("FSHasSpace", "no space on file system %s", fs);
	102	return kFALSE;
	103	}
	104
	105	//______________________________________________________________________________
	106	const char *AliRawDB::GetFileName() const
	107	{
	108	// Return filename based on hostname and date and time. This will make
	109	// each file unique. Also makes sure (via FSHasSpace()) that there is
	110	// enough space on the file system to store the file. Returns 0 in
	111	// case of error or interrupt signal.
	112
	113	static TString fname;
	114	static Bool_t fstoggle = kFALSE;
	115
e10815f1	116	TString fs = fstoggle ? fFS2 : fFS1;
a197a4ce	117	TDatime dt;
	118
	119	TString hostname = gSystem->HostName();
	120	Int_t pos;
	121	if ((pos = hostname.Index(".")) != kNPOS)
	122	hostname.Remove(pos);
	123
	124	if (!FSHasSpace(fs)) {
	125	while (1) {
	126	fstoggle = !fstoggle;
e10815f1	127	fs = fstoggle ? fFS2 : fFS1;
a197a4ce	128	if (FSHasSpace(fs)) break;
	129	Info("GetFileName", "sleeping 30 seconds before retrying...");
	130	gSystem->Sleep(30000); // sleep for 30 seconds
e10815f1	131	if (fStop) return 0;
a197a4ce	132	}
	133	}
	134
	135	fname = fs + "/" + hostname + "_";
	136	fname += dt.GetDate();
	137	fname += "_";
	138	fname += dt.GetTime();
	139	fname += ".root";
	140
	141	fstoggle = !fstoggle;
	142
	143	return fname;
	144	}
	145
	146	//______________________________________________________________________________
e10815f1	147	void AliRawDB::SetFS(const char* fs1, const char* fs2)
	148	{
	149	// set the file system location
	150
	151	fFS1 = fs1;
	152	if (fs1 && !fFS1.Contains(":")) {
	153	gSystem->ResetErrno();
	154	gSystem->MakeDirectory(fs1);
	155	if (gSystem->GetErrno() && gSystem->GetErrno() != EEXIST) {
	156	SysError("SetFS", "mkdir %s", fs1);
	157	}
	158	}
	159
	160	fFS2 = fs2;
	161	if (fs2) {
	162	gSystem->ResetErrno();
	163	gSystem->MakeDirectory(fs2);
	164	if (gSystem->GetErrno() && gSystem->GetErrno() != EEXIST) {
	165	SysError("SetFS", "mkdir %s", fs2);
	166	}
	167	}
	168	}
	169
	170	//______________________________________________________________________________
	171	Bool_t AliRawDB::Create(const char* fileName)
a197a4ce	172	{
	173	// Create a new raw DB.
	174
f07ec911	175	const Int_t kMaxRetry = 1;
a197a4ce	176	const Int_t kMaxSleep = 1; // seconds
	177	const Int_t kMaxSleepLong = 10; // seconds
	178	Int_t retry = 0;
	179
	180	again:
e10815f1	181	if (fStop) return kFALSE;
a197a4ce	182
e10815f1	183	const char *fname = fileName;
e10815f1	184	if (!fname) fname = GetFileName();
a197a4ce	185	if (!fname) {
	186	Error("Create", "error getting raw DB file name");
	187	return kFALSE;
	188	}
	189
	190	retry++;
	191
	192	fRawDB = TFile::Open(fname, GetOpenOption(),
f07ec911	193	Form("ALICE MDC%d raw DB", kMDC), fCompress,
f07ec911	194	GetNetopt());
a197a4ce	195	if (!fRawDB) {
	196	if (retry < kMaxRetry) {
	197	Warning("Create", "failure to open file, sleeping %d %s before retrying...",
	198	kMaxSleep, kMaxSleep==1 ? "second" : "seconds");
	199	gSystem->Sleep(kMaxSleep*1000);
	200	goto again;
	201	}
	202	Error("Create", "failure to open file %s after %d tries", fname, kMaxRetry);
	203	return kFALSE;
	204	}
	205	if (retry > 1)
	206	Warning("Create", "succeeded to open file after %d retries", retry);
	207
	208	if (fRawDB->IsZombie()) {
	209	if (fRawDB->GetErrno() == ENOSPC \|\|
	210	fRawDB->GetErrno() == 1018 \|\| // SECOMERR
	211	fRawDB->GetErrno() == 1027) { // SESYSERR
	212	fRawDB->ResetErrno();
	213	delete fRawDB;
	214	Warning("Create", "file is a zombie (no space), sleeping %d %s before retrying...",
	215	kMaxSleepLong, kMaxSleepLong==1 ? "second" : "seconds");
	216	gSystem->Sleep(kMaxSleepLong*1000); // sleep 10 seconds before retrying
	217	goto again;
	218	}
	219	Error("Create", "file %s is zombie", fname);
	220	fRawDB->ResetErrno();
	221	delete fRawDB;
	222	fRawDB = 0;
	223	if (retry < kMaxRetry) {
	224	Warning("Create", "file is a zombie, sleeping %d %s before retrying...",
	225	kMaxSleep, kMaxSleep==1 ? "second" : "seconds");
	226	gSystem->Sleep(kMaxSleep*1000);
	227	goto again;
	228	}
	229	Error("Create", "failure to open file %s after %d tries", fname, kMaxRetry);
	230	return kFALSE;
	231	}
	232
	233	// Create raw data TTree
	234	MakeTree();
	235
	236	return kTRUE;
	237	}
	238
	239	//______________________________________________________________________________
	240	void AliRawDB::MakeTree()
	241	{
	242	// Create ROOT Tree object container.
	243
e10815f1	244	fTree = new TTree("RAW", Form("ALICE MDC%d raw data tree", kMDC));
a197a4ce	245	fTree->SetAutoSave(2000000000); // autosave when 2 Gbyte written
	246
	247	Int_t bufsize = 256000;
	248	// splitting 29.6 MB/s, no splitting 35.3 MB/s on P4 2GHz 15k SCSI
	249	//Int_t split = 1;
	250	Int_t split = 0;
	251	fTree->Branch("rawevent", "AliRawEvent", &fEvent, bufsize, split);
a109e73e	252
a109e73e	253	// Create tree which will contain the HLT ESD information
a109e73e	254
e10815f1	255	if (fESD) {
	256	fESDTree = new TTree("esdTree", Form("ALICE MDC%d HLT ESD tree", kMDC));
	257	fESDTree->SetAutoSave(2000000000); // autosave when 2 Gbyte written
5f42007f	258	split = 0;
e10815f1	259	fESDTree->Branch("ESD", "AliESD", &fESD, bufsize, split);
e10815f1	260	}
a109e73e	261
a197a4ce	262	}
	263
	264	//______________________________________________________________________________
f07ec911	265	Int_t AliRawDB::Close()
a197a4ce	266	{
a197a4ce	267	// Close raw DB.
f07ec911	268	if (!fRawDB) return 0;
a197a4ce	269
f07ec911	270	if (!fRawDB->IsOpen()) return 0;
a197a4ce	271
	272	fRawDB->cd();
	273
	274	// Write the tree.
f07ec911	275	Bool_t error = kFALSE;
	276	if (fTree->Write() == 0)
	277	error = kTRUE;
	278	if (fESDTree)
	279	if (fESDTree->Write() == 0)
	280	error = kTRUE;
a197a4ce	281
	282	// Close DB, this also deletes the fTree
	283	fRawDB->Close();
	284
f07ec911	285	Int_t filesize = fRawDB->GetEND();
f07ec911	286
e10815f1	287	if (fDeleteFiles) {
a197a4ce	288	gSystem->Unlink(fRawDB->GetName());
	289	delete fRawDB;
	290	fRawDB = 0;
f07ec911	291	if(!error)
	292	return filesize;
	293	else
	294	return -1;
a197a4ce	295	}
	296
	297	// Create semaphore to say this file is finished
	298	Int_t tfd = ::creat(Form("%s.done", fRawDB->GetName()), 0644);
	299	close(tfd);
	300
	301	delete fRawDB;
	302	fRawDB = 0;
f07ec911	303	if(!error)
	304	return filesize;
	305	else
	306	return -1;
a197a4ce	307	}
a197a4ce	308
e10815f1	309	//______________________________________________________________________________
	310	Int_t AliRawDB::Fill()
	311	{
	312	// Fill the trees and return the number of written bytes
	313
	314	Double_t bytes = fRawDB->GetBytesWritten();
f07ec911	315	Bool_t error = kFALSE;
	316	if (fTree->Fill() == -1)
	317	error = kTRUE;
	318	if (fESDTree)
	319	if (fESDTree->Fill() == -1)
	320	error = kTRUE;
	321	if(!error)
	322	return Int_t(fRawDB->GetBytesWritten() - bytes);
	323	else
	324	return -1;
e10815f1	325	}
e10815f1	326
d21e9888	327	//______________________________________________________________________________
	328	Int_t AliRawDB::GetTotalSize()
	329	{
	330	// Return the total size of the trees
	331	Int_t total = 0;
	332
	333	{
	334	Int_t skey = 0;
	335	TDirectory *dir = fTree->GetDirectory();
	336	if (dir) {
	337	TKey *key = dir->GetKey(fTree->GetName());
	338	if (key) skey = key->GetKeylen();
	339	}
	340	total += skey;
	341	if (fTree->GetZipBytes() > 0) total += fTree->GetTotBytes();
	342	TBuffer b(TBuffer::kWrite,10000);
	343	TTree::Class()->WriteBuffer(b,fTree);
	344	total += b.Length();
	345	}
	346
	347	if(fESDTree)
	348	{
	349	Int_t skey = 0;
	350	TDirectory *dir = fESDTree->GetDirectory();
	351	if (dir) {
	352	TKey *key = dir->GetKey(fESDTree->GetName());
	353	if (key) skey = key->GetKeylen();
	354	}
	355	total += skey;
	356	if (fESDTree->GetZipBytes() > 0) total += fESDTree->GetTotBytes();
	357	TBuffer b(TBuffer::kWrite,10000);
	358	TTree::Class()->WriteBuffer(b,fESDTree);
	359	total += b.Length();
	360	}
	361
	362	return total;
	363	}
	364
b7d09bb3	365	//______________________________________________________________________________
	366	void AliRawDB::WriteStats(AliStats* stats)
	367	{
	368	// Write stats to raw DB, local run DB and global MySQL DB.
	369
f2dc6b20	370	AliRawEventHeaderBase &header = *GetEvent()->GetHeader();
b7d09bb3	371
	372	// Write stats into RawDB
	373	TDirectory *ds = gDirectory;
	374	GetDB()->cd();
	375	stats->SetEvents(GetEvents());
f2dc6b20	376	stats->SetLastId(header.Get("RunNb"), header.GetP("Id")[0]);
b7d09bb3	377	stats->SetFileSize(GetBytesWritten());
	378	stats->SetCompressionFactor(GetCompressionFactor());
	379	stats->SetEndTime();
	380	stats->Write("stats");
	381	ds->cd();
	382	}
	383
a197a4ce	384	//______________________________________________________________________________
e10815f1	385	Bool_t AliRawDB::NextFile(const char* fileName)
a197a4ce	386	{
	387	// Close te current file and open a new one.
	388	// Returns kFALSE in case opening failed.
	389
	390	Close();
	391
e10815f1	392	if (!Create(fileName)) return kFALSE;
a197a4ce	393	return kTRUE;
	394	}
	395
	396	//______________________________________________________________________________
	397	Float_t AliRawDB::GetCompressionFactor() const
	398	{
	399	// Return compression factor.
	400
	401	if (fTree->GetZipBytes() == 0.)
	402	return 1.0;
	403	else
	404	return fTree->GetTotBytes()/fTree->GetZipBytes();
	405	}