evf::FUShmBuffer Class Reference

#include <FUShmBuffer.h>

List of all members.

Public Member Functions
pid_t	clientPrcId (unsigned int index)
void	discardDqmCell (unsigned int iCell)
void	discardOrphanedRecoCell (unsigned int iCell)
void	discardRawCell (FUShmRawCell *cell)
void	discardRecoCell (unsigned int iCell)
FUShmDqmCell *	dqmCell (unsigned int iCell)
FUShmDqmCell *	dqmCellToRead ()
dqm::State_t	dqmState (unsigned int index)
unsigned int	evtNumber (unsigned int index)
pid_t	evtPrcId (unsigned int index)
evt::State_t	evtState (unsigned int index)
time_t	evtTimeStamp (unsigned int index)
void	finishReadingDqmCell (FUShmDqmCell *cell)
void	finishReadingRawCell (FUShmRawCell *cell)
void	finishReadingRecoCell (FUShmRecoCell *cell)
void	finishWritingRawCell (FUShmRawCell *cell)
void	initialize (unsigned int shmid, unsigned int semid)
void	lock ()
int	nbRawCellsToRead () const
int	nbRawCellsToWrite () const
unsigned int	nClients () const
unsigned int	nDqmCells () const
unsigned int	nRawCells () const
unsigned int	nRecoCells () const
void	printDqmState (unsigned int index)
void	printEvtState (unsigned int index)
FUShmRawCell *	rawCell (unsigned int iCell)
FUShmRawCell *	rawCellToDiscard ()
FUShmRawCell *	rawCellToRead ()
FUShmRawCell *	rawCellToWrite ()
FUShmRecoCell *	recoCell (unsigned int iCell)
FUShmRecoCell *	recoCellToRead ()
void	releaseRawCell (FUShmRawCell *cell)
bool	removeClientPrcId (pid_t prcId)
void	reset ()
void	scheduleRawCellForDiscard (unsigned int iCell)
void	scheduleRawCellForDiscardServerSide (unsigned int iCell)
void	scheduleRawEmptyCellForDiscard ()
void	scheduleRawEmptyCellForDiscard (FUShmRawCell *cell)
void	scheduleRawEmptyCellForDiscardServerSide (FUShmRawCell *cell)
void	sem_print ()
int	semid () const
bool	setDqmState (unsigned int index, dqm::State_t state)
bool	setEvtState (unsigned int index, evt::State_t state)
int	shmid () const
void	unlock ()
void	writeDqmEmptyEvent ()
bool	writeDqmEventData (unsigned int runNumber, unsigned int evtAtUpdate, unsigned int folderId, unsigned int fuProcessId, unsigned int fuGuid, unsigned char *data, unsigned int dataSize)
bool	writeErrorEventData (unsigned int runNumber, unsigned int fuProcessId, unsigned int iRawCell)
void	writeRawEmptyEvent ()
void	writeRawLumiSectionEvent (unsigned int)
void	writeRecoEmptyEvent ()
bool	writeRecoEventData (unsigned int runNumber, unsigned int evtNumber, unsigned int outModId, unsigned int fuProcessId, unsigned int fuGuid, unsigned char *data, unsigned int dataSize)
bool	writeRecoInitMsg (unsigned int outModId, unsigned int fuProcessId, unsigned int fuGuid, unsigned char *data, unsigned int dataSize)
	~FUShmBuffer ()
Static Public Member Functions
static FUShmBuffer *	createShmBuffer (bool semgmentationMode, unsigned int nRawCells, unsigned int nRecoCells, unsigned int nDqmCells, unsigned int rawCellSize=0x400000, unsigned int recoCellSize=0x400000, unsigned int dqmCellSize=0x400000)
static key_t	getSemKey ()
static FUShmBuffer *	getShmBuffer ()
static key_t	getShmDescriptorKey ()
static key_t	getShmKey ()
static bool	releaseSharedMemory ()
static int	sem_create (key_t key, int nsem)
static int	sem_destroy (int semid)
static int	sem_get (key_t key, int nsem)
static void *	shm_attach (int shmid)
static int	shm_create (key_t key, int size)
static int	shm_destroy (int shmid)
static int	shm_get (key_t key, int size)
static int	shm_nattch (int shmid)
static unsigned int	size (bool segmentationMode, unsigned int nRawCells, unsigned int nRecoCells, unsigned int nDqmCells, unsigned int rawCellSize, unsigned int recoCellSize, unsigned int dqmCellSize)
Private Member Functions
key_t	dqmCellShmKey (unsigned int iCell)
	FUShmBuffer (bool segmentationMode, unsigned int nRawCells, unsigned int nRecoCells, unsigned int nDqmCells, unsigned int rawCellSize, unsigned int recoCellSize, unsigned int dqmCellSize)
int	incEvtDiscard (unsigned int index)
unsigned int	indexForEvtNumber (unsigned int evtNumber)
unsigned int	nextDqmReadIndex ()
unsigned int	nextDqmWriteIndex ()
unsigned int	nextIndex (unsigned int offset, unsigned int nCells, unsigned int &iNext)
unsigned int	nextRawReadIndex ()
unsigned int	nextRawWriteIndex ()
unsigned int	nextRecoReadIndex ()
unsigned int	nextRecoWriteIndex ()
void	postDqmIndexToRead (unsigned int index)
void	postDqmIndexToWrite (unsigned int index)
void	postDqmRead ()
void	postDqmWrite ()
void	postIndex (unsigned int index, unsigned int offset, unsigned int nCells, unsigned int &iLast)
void	postRawDiscard ()
void	postRawDiscarded ()
void	postRawIndexToRead (unsigned int index)
void	postRawIndexToWrite (unsigned int index)
void	postRawRead ()
void	postRawWrite ()
void	postRecoIndexToRead (unsigned int index)
void	postRecoIndexToWrite (unsigned int index)
void	postRecoRead ()
void	postRecoWrite ()
bool	rawCellReadyForDiscard (unsigned int index)
key_t	rawCellShmKey (unsigned int iCell)
key_t	recoCellShmKey (unsigned int iCell)
void	sem_init (int isem, int value)
void	sem_post (int isem)
int	sem_wait (int isem)
bool	setClientPrcId (pid_t prcId)
bool	setEvtDiscard (unsigned int index, unsigned int discard)
bool	setEvtNumber (unsigned int index, unsigned int evtNumber)
bool	setEvtPrcId (unsigned int index, pid_t prcId)
bool	setEvtTimeStamp (unsigned int index, time_t timeStamp)
key_t	shmKey (unsigned int iCell, unsigned int offset)
void	waitDqmRead ()
void	waitDqmWrite ()
void	waitRawDiscard ()
void	waitRawDiscarded ()
void	waitRawRead ()
void	waitRawWrite ()
void	waitRecoRead ()
void	waitRecoWrite ()
Private Attributes
unsigned int	clientPrcIdOffset_
unsigned int	dqmCellOffset_
unsigned int	dqmCellPayloadSize_
unsigned int	dqmCellTotalSize_
unsigned int	dqmReadIndex_
unsigned int	dqmReadLast_
unsigned int	dqmReadNext_
unsigned int	dqmReadOffset_
unsigned int	dqmStateOffset_
unsigned int	dqmWriteIndex_
unsigned int	dqmWriteLast_
unsigned int	dqmWriteNext_
unsigned int	dqmWriteOffset_
unsigned int	evtDiscardOffset_
unsigned int	evtNumberOffset_
unsigned int	evtPrcIdOffset_
unsigned int	evtStateOffset_
unsigned int	evtTimeStampOffset_
unsigned int	nClients_
unsigned int	nClientsMax_
unsigned int	nDqmCells_
unsigned int	nRawCells_
unsigned int	nRecoCells_
unsigned int	rawCellOffset_
unsigned int	rawCellPayloadSize_
unsigned int	rawCellTotalSize_
unsigned int	rawDiscardIndex_
unsigned int	rawReadLast_
unsigned int	rawReadNext_
unsigned int	rawReadOffset_
unsigned int	rawWriteLast_
unsigned int	rawWriteNext_
unsigned int	rawWriteOffset_
unsigned int	recoCellOffset_
unsigned int	recoCellPayloadSize_
unsigned int	recoCellTotalSize_
unsigned int	recoReadIndex_
unsigned int	recoReadLast_
unsigned int	recoReadNext_
unsigned int	recoReadOffset_
unsigned int	recoWriteIndex_
unsigned int	recoWriteLast_
unsigned int	recoWriteNext_
unsigned int	recoWriteOffset_
bool	segmentationMode_
int	semid_
int	shmid_
Static Private Attributes
static const char *	semKeyPath_
static const char *	shmKeyPath_

---

Detailed Description

Definition at line 40 of file FUShmBuffer.h.

---

Constructor & Destructor Documentation

FUShmBuffer::FUShmBuffer	(	bool	segmentationMode,
		unsigned int	nRawCells,
		unsigned int	nRecoCells,
		unsigned int	nDqmCells,
		unsigned int	rawCellSize,
		unsigned int	recoCellSize,
		unsigned int	dqmCellSize
	)		[private]

Definition at line 53 of file FUShmBuffer.cc.

References clientPrcIdOffset_, dqmCellOffset_, dqmCellPayloadSize_, dqmCellTotalSize_, dqmReadOffset_, dqmStateOffset_, dqmWriteOffset_, evtDiscardOffset_, evtNumberOffset_, evtPrcIdOffset_, evtStateOffset_, evtTimeStampOffset_, i, nClientsMax_, nDqmCells_, nRawCells_, nRecoCells_, rawCellOffset_, rawCellPayloadSize_, rawCellTotalSize_, rawReadOffset_, rawWriteOffset_, recoCellOffset_, recoCellPayloadSize_, recoCellTotalSize_, recoReadOffset_, recoWriteOffset_, segmentationMode_, and size().

Referenced by createShmBuffer(), getShmBuffer(), releaseSharedMemory(), and size().

  : segmentationMode_(segmentationMode)
  , nClientsMax_(128)
  , nRawCells_(nRawCells)
  , rawCellPayloadSize_(rawCellSize)
  , nRecoCells_(nRecoCells)
  , recoCellPayloadSize_(recoCellSize)
  , nDqmCells_(nDqmCells)
  , dqmCellPayloadSize_(dqmCellSize)
{
  rawCellTotalSize_ =FUShmRawCell::size(rawCellPayloadSize_);
  recoCellTotalSize_=FUShmRecoCell::size(recoCellPayloadSize_);
  dqmCellTotalSize_ =FUShmDqmCell::size(dqmCellPayloadSize_);

  void* addr;
  
  rawWriteOffset_=sizeof(FUShmBuffer);
  addr=(void*)((unsigned long)this+rawWriteOffset_);
  new (addr) unsigned int[nRawCells_];
  
  rawReadOffset_=rawWriteOffset_+nRawCells_*sizeof(unsigned int);
  addr=(void*)((unsigned long)this+rawReadOffset_);
  new (addr) unsigned int[nRawCells_];
 
  recoWriteOffset_=rawReadOffset_+nRawCells_*sizeof(unsigned int);
  addr=(void*)((unsigned long)this+recoWriteOffset_);
  new (addr) unsigned int[nRecoCells_];

  recoReadOffset_=recoWriteOffset_+nRecoCells_*sizeof(unsigned int);
  addr=(void*)((unsigned long)this+recoReadOffset_);
  new (addr) unsigned int[nRecoCells_];

  dqmWriteOffset_=recoReadOffset_+nRecoCells_*sizeof(unsigned int);
  addr=(void*)((unsigned long)this+dqmWriteOffset_);
  new (addr) unsigned int[nDqmCells_];

  dqmReadOffset_=dqmWriteOffset_+nDqmCells_*sizeof(unsigned int);
  addr=(void*)((unsigned long)this+dqmReadOffset_);
  new (addr) unsigned int[nDqmCells_];

  evtStateOffset_=dqmReadOffset_+nDqmCells_*sizeof(unsigned int);
  addr=(void*)((unsigned long)this+evtStateOffset_);
  new (addr) evt::State_t[nRawCells_];
  
  evtDiscardOffset_=evtStateOffset_+nRawCells_*sizeof(evt::State_t);
  addr=(void*)((unsigned long)this+evtDiscardOffset_);
  new (addr) unsigned int[nRawCells_];
  
  evtNumberOffset_=evtDiscardOffset_+nRawCells_*sizeof(unsigned int);
  addr=(void*)((unsigned long)this+evtNumberOffset_);
  new (addr) unsigned int[nRawCells_];
  
  evtPrcIdOffset_=evtNumberOffset_+nRawCells_*sizeof(unsigned int);
  addr=(void*)((unsigned long)this+evtPrcIdOffset_);
  new (addr) pid_t[nRawCells_];
  
  evtTimeStampOffset_=evtPrcIdOffset_+nRawCells_*sizeof(pid_t);
  addr=(void*)((unsigned long)this+evtTimeStampOffset_);
  new (addr) time_t[nRawCells_];
  
  dqmStateOffset_=evtTimeStampOffset_+nRawCells_*sizeof(time_t);
  addr=(void*)((unsigned long)this+dqmStateOffset_);
  new (addr) dqm::State_t[nDqmCells_];
  
  clientPrcIdOffset_=dqmStateOffset_+nDqmCells_*sizeof(dqm::State_t);
  addr=(void*)((unsigned long)this+clientPrcIdOffset_);
  new (addr) pid_t[nClientsMax_];

  rawCellOffset_=dqmStateOffset_+nClientsMax_*sizeof(pid_t);
  
  if (segmentationMode_) {
    recoCellOffset_=rawCellOffset_+nRawCells_*sizeof(key_t);
    dqmCellOffset_ =recoCellOffset_+nRecoCells_*sizeof(key_t);
    addr=(void*)((unsigned long)this+rawCellOffset_);
    new (addr) key_t[nRawCells_];
    addr=(void*)((unsigned long)this+recoCellOffset_);
    new (addr) key_t[nRecoCells_];
    addr=(void*)((unsigned long)this+dqmCellOffset_);
    new (addr) key_t[nDqmCells_];
  }
  else {
    recoCellOffset_=rawCellOffset_+nRawCells_*rawCellTotalSize_;
    dqmCellOffset_ =recoCellOffset_+nRecoCells_*recoCellTotalSize_;
    for (unsigned int i=0;i<nRawCells_;i++) {
      addr=(void*)((unsigned long)this+rawCellOffset_+i*rawCellTotalSize_);
      new (addr) FUShmRawCell(rawCellSize);
    }
    for (unsigned int i=0;i<nRecoCells_;i++) {
      addr=(void*)((unsigned long)this+recoCellOffset_+i*recoCellTotalSize_);
      new (addr) FUShmRecoCell(recoCellSize);
    }
    for (unsigned int i=0;i<nDqmCells_;i++) {
      addr=(void*)((unsigned long)this+dqmCellOffset_+i*dqmCellTotalSize_);
      new (addr) FUShmDqmCell(dqmCellSize);
    }
  }
}

FUShmBuffer::~FUShmBuffer

(

)

Definition at line 159 of file FUShmBuffer.cc.

{
  
}

---

Member Function Documentation

pid_t FUShmBuffer::clientPrcId

(

unsigned int

index

)

Definition at line 1389 of file FUShmBuffer.cc.

References clientPrcIdOffset_, getHLTprescales::index, and nClientsMax_.

{
  assert(index<nClientsMax_);
  pid_t *prcid=(pid_t*)((unsigned long)this+clientPrcIdOffset_);
  prcid+=index;
  return *prcid;
}

FUShmBuffer * FUShmBuffer::createShmBuffer	(	bool	semgmentationMode,
		unsigned int	nRawCells,
		unsigned int	nRecoCells,
		unsigned int	nDqmCells,
		unsigned int	rawCellSize = 0x400000,
		unsigned int	recoCellSize = 0x400000,
		unsigned int	dqmCellSize = 0x400000
	)		[static]

Definition at line 853 of file FUShmBuffer.cc.

References gather_cfg::cout, FUShmBuffer(), getSemKey(), getShmDescriptorKey(), getShmKey(), initialize(), nDqmCells(), nRawCells(), nRecoCells(), L1TEmulatorMonitor_cff::p, releaseSharedMemory(), sem_create(), semid(), shm_attach(), shm_create(), shm_nattch(), shmid(), and size().

Referenced by evf::FUResourceTable::initialize().

{
  // if necessary, release shared memory first!
  if (FUShmBuffer::releaseSharedMemory())
    cout<<"FUShmBuffer::createShmBuffer: "
        <<"REMOVAL OF OLD SHARED MEM SEGMENTS SUCCESSFULL."
        <<endl;
  
  // create bookkeeping shared memory segment
  int  size =sizeof(unsigned int)*7;
  int  shmid=shm_create(FUShmBuffer::getShmDescriptorKey(),size);if(shmid<0)return 0;
  void*shmAddr=shm_attach(shmid); if(0==shmAddr)return 0;
  
  if(1!=shm_nattch(shmid)) {
    cout<<"FUShmBuffer::createShmBuffer() FAILED: nattch="<<shm_nattch(shmid)<<endl;
    shmdt(shmAddr);
    return 0;
  }
  
  unsigned int* p=(unsigned int*)shmAddr;
  *p++=segmentationMode;
  *p++=nRawCells;
  *p++=nRecoCells;
  *p++=nDqmCells;
  *p++=rawCellSize;
  *p++=recoCellSize;
  *p++=dqmCellSize;
  shmdt(shmAddr);
  
  // create the 'real' shared memory buffer
  size     =FUShmBuffer::size(segmentationMode,
                              nRawCells,nRecoCells,nDqmCells,
                              rawCellSize,recoCellSize,dqmCellSize);
  shmid    =shm_create(FUShmBuffer::getShmKey(),size); if (shmid<0)    return 0;
  int semid=sem_create(FUShmBuffer::getSemKey(),9);    if (semid<0)    return 0;
  shmAddr  =shm_attach(shmid);                         if (0==shmAddr) return 0;
  
  if (1!=shm_nattch(shmid)) {
    cout<<"FUShmBuffer::createShmBuffer FAILED: nattch="<<shm_nattch(shmid)<<endl;
    shmdt(shmAddr);
    return 0;
  }
  FUShmBuffer* buffer=new(shmAddr) FUShmBuffer(segmentationMode,
                                               nRawCells,nRecoCells,nDqmCells,
                                               rawCellSize,recoCellSize,dqmCellSize);
  
  cout<<"FUShmBuffer::createShmBuffer(): CREATED shared memory buffer."<<endl;
  cout<<"                                segmentationMode="<<segmentationMode<<endl;
  
  buffer->initialize(shmid,semid);
  
  return buffer;
}

void FUShmBuffer::discardDqmCell

(

unsigned int

iCell

)

Definition at line 491 of file FUShmBuffer.cc.

References evf::FUShmDqmCell::clear(), evf::dqm::DISCARDING, dqmCell(), dqmState(), evf::dqm::EMPTY, postDqmIndexToWrite(), postDqmWrite(), segmentationMode_, evf::dqm::SENT, and setDqmState().

{
  dqm::State_t state=dqmState(iCell);
  assert(state==dqm::EMPTY||state==dqm::SENT);
  setDqmState(iCell,dqm::DISCARDING);
  FUShmDqmCell* cell=dqmCell(iCell);
  cell->clear();
  if (segmentationMode_) shmdt(cell);
  setDqmState(iCell,dqm::EMPTY);
  postDqmIndexToWrite(iCell);
  postDqmWrite();
}

void FUShmBuffer::discardOrphanedRecoCell

(

unsigned int

iCell

)

Definition at line 480 of file FUShmBuffer.cc.

References evf::FUShmRecoCell::clear(), postRecoIndexToWrite(), postRecoWrite(), recoCell(), and segmentationMode_.

{
  FUShmRecoCell* cell=recoCell(iCell);
  cell->clear();
  if (segmentationMode_) shmdt(cell);
  postRecoIndexToWrite(iCell);
  postRecoWrite();
}

void FUShmBuffer::discardRawCell

(

FUShmRawCell *

cell

)

Definition at line 456 of file FUShmBuffer.cc.

References postRawDiscard(), and releaseRawCell().

Referenced by evf::FUShmClient::readNext().

{
  releaseRawCell(cell);
  postRawDiscard();
}

void FUShmBuffer::discardRecoCell

(

unsigned int

iCell

)

Definition at line 464 of file FUShmBuffer.cc.

References evf::FUShmRecoCell::clear(), nRawCells_, postRecoIndexToWrite(), postRecoWrite(), evf::FUShmRecoCell::rawCellIndex(), recoCell(), scheduleRawCellForDiscard(), and segmentationMode_.

{
  FUShmRecoCell* cell=recoCell(iCell);
  unsigned int iRawCell=cell->rawCellIndex();
  if (iRawCell<nRawCells_) {
    //evt::State_t state=evtState(iRawCell);
    //assert(state==evt::SENT);
    scheduleRawCellForDiscard(iRawCell);
  }
  cell->clear();
  if (segmentationMode_) shmdt(cell);
  postRecoIndexToWrite(iCell);
  postRecoWrite();
}

FUShmDqmCell * FUShmBuffer::dqmCell

(

unsigned int

iCell

)

Definition at line 1577 of file FUShmBuffer.cc.

References gather_cfg::cout, dqmCellOffset_, dqmCellPayloadSize_, dqmCellShmKey(), dqmCellTotalSize_, nDqmCells_, query::result, segmentationMode_, shm_attach(), shm_get(), and shmid().

Referenced by discardDqmCell(), dqmCellToRead(), initialize(), writeDqmEmptyEvent(), and writeDqmEventData().

{
  FUShmDqmCell* result(0);
  
  if (iCell>=nDqmCells_) {
    cout<<"FUShmBuffer::dqmCell("<<iCell<<") ERROR: "
        <<"iCell="<<iCell<<" >= nDqmCells="<<nDqmCells_<<endl;
    return result;
  }
  
  if (segmentationMode_) {
    key_t         shmkey  =dqmCellShmKey(iCell);
    int           shmid   =shm_get(shmkey,dqmCellTotalSize_);
    void*         cellAddr=shm_attach(shmid);
    result=new (cellAddr) FUShmDqmCell(dqmCellPayloadSize_);
  }
  else {
    result=
      (FUShmDqmCell*)((unsigned long)this+dqmCellOffset_+iCell*dqmCellTotalSize_);
  }
  
  return result;
}

key_t FUShmBuffer::dqmCellShmKey

(

unsigned int

iCell

)

[private]

Definition at line 1655 of file FUShmBuffer.cc.

References gather_cfg::cout, dqmCellOffset_, nDqmCells_, and shmKey().

Referenced by dqmCell(), and releaseSharedMemory().

{
  if (iCell>=nDqmCells_) {
    cout<<"FUShmBuffer::dqmCellShmKey() ERROR: "
        <<"iCell>=nDqmCells: "<<iCell<<">="<<nDqmCells_<<endl;
    return -1;
  }
  return shmKey(iCell,dqmCellOffset_);
}

FUShmDqmCell * FUShmBuffer::dqmCellToRead

(

)

Definition at line 339 of file FUShmBuffer.cc.

References dqmCell(), dqmState(), evf::dqm::EMPTY, nextDqmReadIndex(), evf::dqm::SENDING, setDqmState(), waitDqmRead(), and evf::dqm::WRITTEN.

{
  waitDqmRead();
  unsigned int  iCell=nextDqmReadIndex();
  FUShmDqmCell* cell=dqmCell(iCell);
  dqm::State_t  state=dqmState(iCell);
  assert(state==dqm::WRITTEN||state==dqm::EMPTY);
  if (state==dqm::WRITTEN) setDqmState(iCell,dqm::SENDING);
  return cell;
}

dqm::State_t FUShmBuffer::dqmState

(

unsigned int

index

)

Definition at line 1349 of file FUShmBuffer.cc.

References dqmStateOffset_, getHLTprescales::index, and nDqmCells_.

Referenced by discardDqmCell(), dqmCellToRead(), finishReadingDqmCell(), printDqmState(), and writeDqmEventData().

{
  assert(index<nDqmCells_);
  dqm::State_t *pstate=(dqm::State_t*)((unsigned long)this+dqmStateOffset_);
  pstate+=index;
  return *pstate;
}

unsigned int FUShmBuffer::evtNumber

(

unsigned int

index

)

Definition at line 1359 of file FUShmBuffer.cc.

References evtNumberOffset_, getHLTprescales::index, and nRawCells_.

Referenced by indexForEvtNumber(), and setEvtNumber().

{
  assert(index<nRawCells_);
  unsigned int *pevt=(unsigned int*)((unsigned long)this+evtNumberOffset_);
  pevt+=index;
  return *pevt;
}

pid_t FUShmBuffer::evtPrcId

(

unsigned int

index

)

Definition at line 1369 of file FUShmBuffer.cc.

References evtPrcIdOffset_, getHLTprescales::index, and nRawCells_.

{
  assert(index<nRawCells_);
  pid_t *prcid=(pid_t*)((unsigned long)this+evtPrcIdOffset_);
  prcid+=index;
  return *prcid;
}

evt::State_t FUShmBuffer::evtState

(

unsigned int

index

)

Definition at line 1339 of file FUShmBuffer.cc.

References evtStateOffset_, getHLTprescales::index, and nRawCells_.

Referenced by FUShmReader::fillRawData(), finishReadingRawCell(), finishWritingRawCell(), printEvtState(), rawCellToDiscard(), rawCellToRead(), rawCellToWrite(), releaseRawCell(), scheduleRawCellForDiscard(), scheduleRawCellForDiscardServerSide(), writeRawEmptyEvent(), and writeRawLumiSectionEvent().

{
  assert(index<nRawCells_);
  evt::State_t *pstate=(evt::State_t*)((unsigned long)this+evtStateOffset_);
  pstate+=index;
  return *pstate;
}

time_t FUShmBuffer::evtTimeStamp

(

unsigned int

index

)

Definition at line 1379 of file FUShmBuffer.cc.

References evtTimeStampOffset_, getHLTprescales::index, and nRawCells_.

{
  assert(index<nRawCells_);
  time_t *ptstmp=(time_t*)((unsigned long)this+evtTimeStampOffset_);
  ptstmp+=index;
  return *ptstmp;
}

void FUShmBuffer::finishReadingDqmCell

(

FUShmDqmCell *

cell

)

Definition at line 410 of file FUShmBuffer.cc.

References dqmState(), evf::dqm::EMPTY, evf::FUShmDqmCell::index(), segmentationMode_, evf::dqm::SENDING, evf::evt::SENT, and setDqmState().

{
  dqm::State_t state=dqmState(cell->index());
  assert(state==dqm::SENDING||state==dqm::EMPTY);
  if (state==dqm::SENDING) setDqmState(cell->index(),dqm::SENT);
  if (segmentationMode_) shmdt(cell);
}

void FUShmBuffer::finishReadingRawCell

(

FUShmRawCell *

cell

)

Definition at line 385 of file FUShmBuffer.cc.

References evtState(), evf::FUShmRawCell::index(), evf::evt::PROCESSING, evf::evt::RAWREAD, evf::evt::RAWREADING, segmentationMode_, setEvtState(), setEvtTimeStamp(), and cond::rpcobgas::time.

Referenced by FUShmReader::fillRawData(), and evf::FUShmClient::readNext().

{
  evt::State_t state=evtState(cell->index());
  assert(state==evt::RAWREADING);
  setEvtState(cell->index(),evt::RAWREAD);
  setEvtState(cell->index(),evt::PROCESSING);
  setEvtTimeStamp(cell->index(),time(0));
  if (segmentationMode_) shmdt(cell);
}

void FUShmBuffer::finishReadingRecoCell

(

FUShmRecoCell *

cell

)

Definition at line 397 of file FUShmBuffer.cc.

References nRawCells_, evf::FUShmRecoCell::rawCellIndex(), segmentationMode_, evf::evt::SENT, and setEvtState().

{
  unsigned int iRawCell=cell->rawCellIndex();
  if (iRawCell<nRawCells_) {
    //evt::State_t state=evtState(cell->rawCellIndex());
    //assert(state==evt::SENDING);
    setEvtState(cell->rawCellIndex(),evt::SENT);
  }
  if (segmentationMode_) shmdt(cell);
}

void FUShmBuffer::finishWritingRawCell

(

FUShmRawCell *

cell

)

Definition at line 372 of file FUShmBuffer.cc.

References evf::FUShmRawCell::evtNumber(), evtState(), evf::FUShmRawCell::index(), postRawIndexToRead(), postRawRead(), evf::evt::RAWWRITING, evf::evt::RAWWRITTEN, segmentationMode_, setEvtNumber(), and setEvtState().

Referenced by evf::FUShmServer::writeNext().

{
  evt::State_t state=evtState(cell->index());
  assert(state==evt::RAWWRITING);
  setEvtState(cell->index(),evt::RAWWRITTEN);
  setEvtNumber(cell->index(),cell->evtNumber());
  postRawIndexToRead(cell->index());
  if (segmentationMode_) shmdt(cell);
  postRawRead();
}

key_t FUShmBuffer::getSemKey

(

)

[static]

Definition at line 1093 of file FUShmBuffer.cc.

References gather_cfg::cout, query::result, SEM_KEYID, and semKeyPath_.

Referenced by createShmBuffer(), getShmBuffer(), and releaseSharedMemory().

{
  key_t result=getuid()*1000+SEM_KEYID;
  if (result==(key_t)-1) cout<<"FUShmBuffer::getSemKey: ftok() failed "
                             <<"for file "<<semKeyPath_<<"!"<<endl;
  return result;
}

FUShmBuffer * FUShmBuffer::getShmBuffer

(

)

[static]

Definition at line 915 of file FUShmBuffer.cc.

References gather_cfg::cout, FUShmBuffer(), getSemKey(), getShmDescriptorKey(), getShmKey(), nDqmCells(), nRawCells(), nRecoCells(), L1TEmulatorMonitor_cff::p, sem_get(), semid(), setClientPrcId(), shm_attach(), shm_get(), shm_nattch(), shmid(), and size().

Referenced by FUShmDQMOutputService::attachToShm().

{
  // get bookkeeping shared memory segment
  int   size   =sizeof(unsigned int)*7;
  int   shmid  =shm_get(FUShmBuffer::getShmDescriptorKey(),size);if(shmid<0)return 0;
  void* shmAddr=shm_attach(shmid); if (0==shmAddr) return 0;
  
  unsigned int *p=(unsigned int*)shmAddr;
  bool          segmentationMode=*p++;
  unsigned int  nRawCells       =*p++;
  unsigned int  nRecoCells      =*p++;
  unsigned int  nDqmCells       =*p++;
  unsigned int  rawCellSize     =*p++;
  unsigned int  recoCellSize    =*p++;
  unsigned int  dqmCellSize     =*p++;
  shmdt(shmAddr);

  cout<<"FUShmBuffer::getShmBuffer():"
      <<" segmentationMode="<<segmentationMode
      <<" nRawCells="<<nRawCells
      <<" nRecoCells="<<nRecoCells
      <<" nDqmCells="<<nDqmCells
      <<" rawCellSize="<<rawCellSize
      <<" recoCellSize="<<recoCellSize
      <<" dqmCellSize="<<dqmCellSize
      <<endl;
  
  // get the 'real' shared memory buffer
  size     =FUShmBuffer::size(segmentationMode,
                              nRawCells,nRecoCells,nDqmCells,
                              rawCellSize,recoCellSize,dqmCellSize);
  shmid    =shm_get(FUShmBuffer::getShmKey(),size); if (shmid<0)    return 0;
  int semid=sem_get(FUShmBuffer::getSemKey(),9);    if (semid<0)    return 0;
  shmAddr  =shm_attach(shmid);                      if (0==shmAddr) return 0;
  
  if (0==shm_nattch(shmid)) {
    cout<<"FUShmBuffer::getShmBuffer() FAILED: nattch="<<shm_nattch(shmid)<<endl;
    return 0;
  }
  
  FUShmBuffer* buffer=new(shmAddr) FUShmBuffer(segmentationMode,
                                               nRawCells,nRecoCells,nDqmCells,
                                               rawCellSize,recoCellSize,dqmCellSize);
  
  cout<<"FUShmBuffer::getShmBuffer(): shared memory buffer RETRIEVED."<<endl;
  cout<<"                             segmentationMode="<<segmentationMode<<endl;
  
  buffer->setClientPrcId(getpid());

  return buffer;
}

key_t FUShmBuffer::getShmDescriptorKey

(

)

[static]

Definition at line 1073 of file FUShmBuffer.cc.

References gather_cfg::cout, query::result, SHM_DESCRIPTOR_KEYID, and shmKeyPath_.

Referenced by createShmBuffer(), getShmBuffer(), and releaseSharedMemory().

{
  key_t result=getuid()*1000+SHM_DESCRIPTOR_KEYID;
  if (result==(key_t)-1) cout<<"FUShmBuffer::getShmDescriptorKey: failed "
                             <<"for file "<<shmKeyPath_<<"!"<<endl;
  return result;
}

key_t FUShmBuffer::getShmKey

(

)

[static]

Definition at line 1083 of file FUShmBuffer.cc.

References gather_cfg::cout, query::result, SHM_KEYID, and shmKeyPath_.

Referenced by createShmBuffer(), getShmBuffer(), and releaseSharedMemory().

{
  key_t result=getuid()*1000+SHM_KEYID;
  if (result==(key_t)-1) cout<<"FUShmBuffer::getShmKey: ftok() failed "
                             <<"for file "<<shmKeyPath_<<"!"<<endl;
  return result;
}

int FUShmBuffer::incEvtDiscard

(

unsigned int

index

)

[private]

Definition at line 1438 of file FUShmBuffer.cc.

References evtDiscardOffset_, getHLTprescales::index, lock(), nRawCells_, query::result, and unlock().

Referenced by writeRecoEventData().

{
  int result = 0;
  assert(index<nRawCells_);
  unsigned int *pcount=(unsigned int*)((unsigned long)this+evtDiscardOffset_);
  pcount+=index;
  lock();
  (*pcount)++;
  result = *pcount;
  unlock();
  return result;
}

unsigned int FUShmBuffer::indexForEvtNumber

(

unsigned int

evtNumber

)

[private]

Definition at line 1327 of file FUShmBuffer.cc.

References evtNumber(), evtNumberOffset_, i, and nRawCells_.

Referenced by writeRecoEventData().

{
  unsigned int *pevt=(unsigned int*)((unsigned long)this+evtNumberOffset_);
  for (unsigned int i=0;i<nRawCells_;i++) {
    if ((*pevt++)==evtNumber) return i;
  }
  assert(false);
  return 0xffffffff;
}

void FUShmBuffer::initialize	(	unsigned int	shmid,
		unsigned int	semid
	)

Definition at line 170 of file FUShmBuffer.cc.

References dqmCell(), dqmCellOffset_, dqmCellPayloadSize_, dqmCellTotalSize_, i, evf::FUShmDqmCell::initialize(), evf::FUShmRawCell::initialize(), evf::FUShmRecoCell::initialize(), nDqmCells_, nRawCells_, nRecoCells_, rawCell(), rawCellOffset_, rawCellPayloadSize_, rawCellTotalSize_, recoCell(), recoCellOffset_, recoCellPayloadSize_, recoCellTotalSize_, reset(), segmentationMode_, semid(), semid_, shm_attach(), shm_create(), shmid(), shmid_, and shmKeyPath_.

Referenced by createShmBuffer().

{
  shmid_=shmid;
  semid_=semid;
  
  if (segmentationMode_) {
    int    shmKeyId=666;
    key_t* keyAddr =(key_t*)((unsigned long)this+rawCellOffset_);
    for (unsigned int i=0;i<nRawCells_;i++) {
      *keyAddr     =ftok(shmKeyPath_,shmKeyId++);
      int   shmid  =shm_create(*keyAddr,rawCellTotalSize_);
      void* shmAddr=shm_attach(shmid);
      new (shmAddr) FUShmRawCell(rawCellPayloadSize_);
      shmdt(shmAddr);
      ++keyAddr;
    }
    keyAddr =(key_t*)((unsigned long)this+recoCellOffset_);
    for (unsigned int i=0;i<nRecoCells_;i++) {
      *keyAddr     =ftok(shmKeyPath_,shmKeyId++);
      int   shmid  =shm_create(*keyAddr,recoCellTotalSize_);
      void* shmAddr=shm_attach(shmid);
      new (shmAddr) FUShmRecoCell(recoCellPayloadSize_);
      shmdt(shmAddr);
      ++keyAddr;
    }
    keyAddr =(key_t*)((unsigned long)this+dqmCellOffset_);
    for (unsigned int i=0;i<nDqmCells_;i++) {
      *keyAddr     =ftok(shmKeyPath_,shmKeyId++);
      int   shmid  =shm_create(*keyAddr,dqmCellTotalSize_);
      void* shmAddr=shm_attach(shmid);
      new (shmAddr) FUShmDqmCell(dqmCellPayloadSize_);
      shmdt(shmAddr);
      ++keyAddr;
    }
  }
  
  for (unsigned int i=0;i<nRawCells_;i++) {
    FUShmRawCell* cell=rawCell(i);
    cell->initialize(i);
    if (segmentationMode_) shmdt(cell);
  }
  
  for (unsigned int i=0;i<nRecoCells_;i++) {
    FUShmRecoCell* cell=recoCell(i);
    cell->initialize(i);
    if (segmentationMode_) shmdt(cell);
  }
  
  for (unsigned int i=0;i<nDqmCells_;i++) {
    FUShmDqmCell* cell=dqmCell(i);
    cell->initialize(i);
    if (segmentationMode_) shmdt(cell);
  }

  reset();
}

void evf::FUShmBuffer::lock

(

void

)

[inline]

Definition at line 244 of file FUShmBuffer.h.

References sem_wait().

Referenced by incEvtDiscard(), nextIndex(), postIndex(), rawCellReadyForDiscard(), removeClientPrcId(), setClientPrcId(), setDqmState(), setEvtDiscard(), setEvtNumber(), setEvtPrcId(), setEvtState(), and setEvtTimeStamp().

{ sem_wait(0); }

int FUShmBuffer::nbRawCellsToRead

(

)

const

Definition at line 283 of file FUShmBuffer.cc.

References semid().

{
  return semctl(semid(),2,GETVAL);
}

int FUShmBuffer::nbRawCellsToWrite

(

)

const

Definition at line 276 of file FUShmBuffer.cc.

References semid().

{
  return semctl(semid(),1,GETVAL);
}

unsigned int evf::FUShmBuffer::nClients

(

)

const [inline]

Definition at line 70 of file FUShmBuffer.h.

References nClients_.

{ return nClients_; }

unsigned int evf::FUShmBuffer::nDqmCells

(

)

const [inline]

Definition at line 66 of file FUShmBuffer.h.

References nDqmCells_.

Referenced by createShmBuffer(), getShmBuffer(), releaseSharedMemory(), and size().

{ return nDqmCells_;  }

unsigned int FUShmBuffer::nextDqmReadIndex

(

)

[private]

Definition at line 1306 of file FUShmBuffer.cc.

References dqmReadNext_, dqmReadOffset_, nDqmCells_, and nextIndex().

Referenced by dqmCellToRead().

{
  return nextIndex(dqmReadOffset_,nDqmCells_,dqmReadNext_);
}

unsigned int FUShmBuffer::nextDqmWriteIndex

(

)

[private]

Definition at line 1299 of file FUShmBuffer.cc.

References dqmWriteNext_, dqmWriteOffset_, nDqmCells_, and nextIndex().

Referenced by writeDqmEmptyEvent(), and writeDqmEventData().

{
  return nextIndex(dqmWriteOffset_,nDqmCells_,dqmWriteNext_);
}

unsigned int FUShmBuffer::nextIndex	(	unsigned int	offset,
		unsigned int	nCells,
		unsigned int &	iNext
	)		[private]

Definition at line 1213 of file FUShmBuffer.cc.

References lock(), evf::evtn::offset(), query::result, and unlock().

Referenced by nextDqmReadIndex(), nextDqmWriteIndex(), nextRawReadIndex(), nextRawWriteIndex(), nextRecoReadIndex(), and nextRecoWriteIndex().

{
  lock();
  unsigned int* pindex=(unsigned int*)((unsigned long)this+offset);
  pindex+=iNext;
  iNext=(iNext+1)%nCells;
  unsigned int result=*pindex;
  unlock();
  return result;
}

unsigned int FUShmBuffer::nextRawReadIndex

(

)

[private]

Definition at line 1250 of file FUShmBuffer.cc.

References nextIndex(), nRawCells_, rawReadNext_, and rawReadOffset_.

Referenced by rawCellToRead().

{
  return nextIndex(rawReadOffset_,nRawCells_,rawReadNext_);
}

unsigned int FUShmBuffer::nextRawWriteIndex

(

)

[private]

Definition at line 1243 of file FUShmBuffer.cc.

References nextIndex(), nRawCells_, rawWriteNext_, and rawWriteOffset_.

Referenced by rawCellToWrite().

{
  return nextIndex(rawWriteOffset_,nRawCells_,rawWriteNext_);
}

unsigned int FUShmBuffer::nextRecoReadIndex

(

)

[private]

Definition at line 1278 of file FUShmBuffer.cc.

References nextIndex(), nRecoCells_, recoReadNext_, and recoReadOffset_.

Referenced by recoCellToRead().

{
  return nextIndex(recoReadOffset_,nRecoCells_,recoReadNext_);
}

unsigned int FUShmBuffer::nextRecoWriteIndex

(

)

[private]

Definition at line 1271 of file FUShmBuffer.cc.

References nextIndex(), nRecoCells_, recoWriteNext_, and recoWriteOffset_.

Referenced by writeErrorEventData(), writeRecoEmptyEvent(), writeRecoEventData(), and writeRecoInitMsg().

{
  return nextIndex(recoWriteOffset_,nRecoCells_,recoWriteNext_);
}

unsigned int evf::FUShmBuffer::nRawCells

(

)

const [inline]

Definition at line 64 of file FUShmBuffer.h.

References nRawCells_.

Referenced by createShmBuffer(), getShmBuffer(), and releaseSharedMemory().

{ return nRawCells_;  }

unsigned int evf::FUShmBuffer::nRecoCells

(

)

const [inline]

Definition at line 65 of file FUShmBuffer.h.

References nRecoCells_.

Referenced by createShmBuffer(), getShmBuffer(), and releaseSharedMemory().

{ return nRecoCells_; }

void FUShmBuffer::postDqmIndexToRead

(

unsigned int

index

)

[private]

Definition at line 1320 of file FUShmBuffer.cc.

References dqmReadLast_, dqmReadOffset_, nDqmCells_, and postIndex().

Referenced by writeDqmEmptyEvent(), and writeDqmEventData().

{
  postIndex(index,dqmReadOffset_,nDqmCells_,dqmReadLast_);
}

void FUShmBuffer::postDqmIndexToWrite

(

unsigned int

index

)

[private]

Definition at line 1313 of file FUShmBuffer.cc.

References dqmWriteLast_, dqmWriteOffset_, nDqmCells_, and postIndex().

Referenced by discardDqmCell().

{
  postIndex(index,dqmWriteOffset_,nDqmCells_,dqmWriteLast_);
}

void evf::FUShmBuffer::postDqmRead

(

)

[inline, private]

Definition at line 262 of file FUShmBuffer.h.

References sem_post().

Referenced by writeDqmEmptyEvent(), and writeDqmEventData().

{ sem_post(8); }

void evf::FUShmBuffer::postDqmWrite

(

)

[inline, private]

Definition at line 260 of file FUShmBuffer.h.

References sem_post().

Referenced by discardDqmCell().

{ sem_post(7); }

void FUShmBuffer::postIndex	(	unsigned int	index,
		unsigned int	offset,
		unsigned int	nCells,
		unsigned int &	iLast
	)		[private]

Definition at line 1228 of file FUShmBuffer.cc.

References getHLTprescales::index, lock(), evf::evtn::offset(), and unlock().

Referenced by postDqmIndexToRead(), postDqmIndexToWrite(), postRawIndexToRead(), postRawIndexToWrite(), postRecoIndexToRead(), and postRecoIndexToWrite().

{
  lock();
  unsigned int* pindex=(unsigned int*)((unsigned long)this+offset);
  pindex+=iLast;
  *pindex=index;
  iLast=(iLast+1)%nCells;
  unlock();
}

void evf::FUShmBuffer::postRawDiscard

(

)

[inline, private]

Definition at line 252 of file FUShmBuffer.h.

References sem_post().

Referenced by discardRawCell(), scheduleRawCellForDiscard(), scheduleRawCellForDiscardServerSide(), scheduleRawEmptyCellForDiscard(), and scheduleRawEmptyCellForDiscardServerSide().

{ sem_post(3); }

void evf::FUShmBuffer::postRawDiscarded

(

)

[inline, private]

Definition at line 254 of file FUShmBuffer.h.

References sem_post().

Referenced by scheduleRawCellForDiscard(), scheduleRawCellForDiscardServerSide(), scheduleRawEmptyCellForDiscard(), and scheduleRawEmptyCellForDiscardServerSide().

{ sem_post(4); }

void FUShmBuffer::postRawIndexToRead

(

unsigned int

index

)

[private]

Definition at line 1264 of file FUShmBuffer.cc.

References nRawCells_, postIndex(), rawReadLast_, and rawReadOffset_.

Referenced by finishWritingRawCell(), writeRawEmptyEvent(), and writeRawLumiSectionEvent().

{
  postIndex(index,rawReadOffset_,nRawCells_,rawReadLast_);
}

void FUShmBuffer::postRawIndexToWrite

(

unsigned int

index

)

[private]

Definition at line 1257 of file FUShmBuffer.cc.

References nRawCells_, postIndex(), rawWriteLast_, and rawWriteOffset_.

Referenced by releaseRawCell().

{
  postIndex(index,rawWriteOffset_,nRawCells_,rawWriteLast_);
}

void evf::FUShmBuffer::postRawRead

(

)

[inline, private]

Definition at line 250 of file FUShmBuffer.h.

References sem_post().

Referenced by finishWritingRawCell(), writeRawEmptyEvent(), and writeRawLumiSectionEvent().

{ sem_post(2); }

void evf::FUShmBuffer::postRawWrite

(

)

[inline, private]

Definition at line 248 of file FUShmBuffer.h.

References sem_post().

Referenced by releaseRawCell().

{ sem_post(1); }

void FUShmBuffer::postRecoIndexToRead

(

unsigned int

index

)

[private]

Definition at line 1292 of file FUShmBuffer.cc.

References nRecoCells_, postIndex(), recoReadLast_, and recoReadOffset_.

Referenced by writeErrorEventData(), writeRecoEmptyEvent(), writeRecoEventData(), and writeRecoInitMsg().

{
  postIndex(index,recoReadOffset_,nRecoCells_,recoReadLast_);
}

void FUShmBuffer::postRecoIndexToWrite

(

unsigned int

index

)

[private]

Definition at line 1285 of file FUShmBuffer.cc.

References nRecoCells_, postIndex(), recoWriteLast_, and recoWriteOffset_.

Referenced by discardOrphanedRecoCell(), and discardRecoCell().

{
  postIndex(index,recoWriteOffset_,nRecoCells_,recoWriteLast_);
}

void evf::FUShmBuffer::postRecoRead

(

)

[inline, private]

Definition at line 258 of file FUShmBuffer.h.

References sem_post().

Referenced by writeErrorEventData(), writeRecoEmptyEvent(), writeRecoEventData(), and writeRecoInitMsg().

{ sem_post(6); }

void evf::FUShmBuffer::postRecoWrite

(

)

[inline, private]

Definition at line 256 of file FUShmBuffer.h.

References sem_post().

Referenced by discardOrphanedRecoCell(), and discardRecoCell().

{ sem_post(5); }

void FUShmBuffer::printDqmState

(

unsigned int

index

)

Definition at line 845 of file FUShmBuffer.cc.

References gather_cfg::cout, and dqmState().

{
  dqm::State_t state=dqmState(index);
  cout<<"dqm evt "<<index<<" in state '"<<state<<"'."<<endl;
}

void FUShmBuffer::printEvtState

(

unsigned int

index

)

Definition at line 823 of file FUShmBuffer.cc.

References gather_cfg::cout, evf::evt::DISCARDING, evf::evt::EMPTY, evtState(), evf::evt::PROCESSED, evf::evt::PROCESSING, evf::evt::RAWREAD, evf::evt::RAWREADING, evf::evt::RAWWRITING, evf::evt::RAWWRITTEN, evf::evt::RECOWRITING, evf::evt::RECOWRITTEN, evf::evt::SENDING, evf::evt::SENT, and evf::evt::STOP.

Referenced by evf::FUShmServer::writeNext().

{
  evt::State_t state=evtState(index);
  std::string stateName;
  if      (state==evt::EMPTY)      stateName="EMPTY";
  else if (state==evt::STOP)       stateName="STOP";
  else if (state==evt::RAWWRITING) stateName="RAWWRITING";
  else if (state==evt::RAWWRITTEN) stateName="RAWRITTEN";
  else if (state==evt::RAWREADING) stateName="RAWREADING";
  else if (state==evt::RAWREAD)    stateName="RAWREAD";
  else if (state==evt::PROCESSING) stateName="PROCESSING";
  else if (state==evt::PROCESSED)  stateName="PROCESSED";
  else if (state==evt::RECOWRITING)stateName="RECOWRITING";
  else if (state==evt::RECOWRITTEN)stateName="RECOWRITTEN";
  else if (state==evt::SENDING)    stateName="SENDING";
  else if (state==evt::SENT)       stateName="SENT";
  else if (state==evt::DISCARDING) stateName="DISCARDING";
  cout<<"evt "<<index<<" in state '"<<stateName<<"'."<<endl;
}

FUShmRawCell * FUShmBuffer::rawCell

(

unsigned int

iCell

)

Definition at line 1525 of file FUShmBuffer.cc.

References gather_cfg::cout, nRawCells_, rawCellOffset_, rawCellPayloadSize_, rawCellShmKey(), rawCellTotalSize_, query::result, segmentationMode_, shm_attach(), shm_get(), and shmid().

Referenced by initialize(), rawCellToDiscard(), rawCellToRead(), rawCellToWrite(), and writeErrorEventData().

{
  FUShmRawCell* result(0);
  
  if (iCell>=nRawCells_) {
    cout<<"FUShmBuffer::rawCell("<<iCell<<") ERROR: "
        <<"iCell="<<iCell<<" >= nRawCells()="<<nRawCells_<<endl;
    return result;
  }
  
  if (segmentationMode_) {
    key_t         shmkey  =rawCellShmKey(iCell);
    int           shmid   =shm_get(shmkey,rawCellTotalSize_);
    void*         cellAddr=shm_attach(shmid);
    result=new (cellAddr) FUShmRawCell(rawCellPayloadSize_);
  }
  else {
    result=
      (FUShmRawCell*)((unsigned long)this+rawCellOffset_+iCell*rawCellTotalSize_);
  }
  
  return result;
}

bool FUShmBuffer::rawCellReadyForDiscard

(

unsigned int

index

)

[private]

Definition at line 1603 of file FUShmBuffer.cc.

References evtDiscardOffset_, getHLTprescales::index, lock(), nRawCells_, query::result, and unlock().

Referenced by scheduleRawCellForDiscard(), scheduleRawCellForDiscardServerSide(), scheduleRawEmptyCellForDiscard(), and scheduleRawEmptyCellForDiscardServerSide().

{
  assert(index<nRawCells_);
  unsigned int *pcount=(unsigned int*)((unsigned long)this+evtDiscardOffset_);
  pcount+=index;
  lock();
  assert(*pcount>0);
  --(*pcount);
  bool result=(*pcount==0);
  unlock();
  return result;
}

key_t FUShmBuffer::rawCellShmKey

(

unsigned int

iCell

)

[private]

Definition at line 1631 of file FUShmBuffer.cc.

References gather_cfg::cout, nRawCells_, rawCellOffset_, and shmKey().

Referenced by rawCell(), and releaseSharedMemory().

{
  if (iCell>=nRawCells_) {
    cout<<"FUShmBuffer::rawCellShmKey() ERROR: "
        <<"iCell>=nRawCells: "<<iCell<<">="<<nRawCells_<<endl;
    return -1;
  }
  return shmKey(iCell,rawCellOffset_);
}

FUShmRawCell * FUShmBuffer::rawCellToDiscard

(

)

Definition at line 352 of file FUShmBuffer.cc.

References evf::evt::DISCARDING, evf::evt::EMPTY, evtState(), evf::FUShmRawCell::index(), evf::evt::PROCESSED, rawCell(), rawDiscardIndex_, evf::evt::SENT, setEvtState(), evf::evt::STOP, evf::evt::USEDLS, and waitRawDiscarded().

Referenced by evf::FUShmClient::readNext().

{
  waitRawDiscarded();
  FUShmRawCell* cell=rawCell(rawDiscardIndex_);
  evt::State_t  state=evtState(cell->index());
  assert(state==evt::PROCESSED
         ||state==evt::SENT
         ||state==evt::EMPTY
         ||state==evt::STOP
         ||state==evt::USEDLS);
  if (state!=evt::EMPTY 
      && state!=evt::USEDLS
      && state!=evt::STOP
      ) 
    setEvtState(cell->index(),evt::DISCARDING);
  return cell;
}

FUShmRawCell * FUShmBuffer::rawCellToRead

(

)

Definition at line 304 of file FUShmBuffer.cc.

References evf::evt::EMPTY, evtState(), evf::evt::LUMISECTION, nextRawReadIndex(), rawCell(), evf::evt::RAWREADING, evf::evt::RAWWRITTEN, setEvtPrcId(), setEvtState(), evf::evt::STOP, and waitRawRead().

Referenced by FUShmReader::fillRawData(), and evf::FUShmClient::readNext().

{
  waitRawRead();
  unsigned int iCell=nextRawReadIndex();
  FUShmRawCell* cell=rawCell(iCell);
  evt::State_t  state=evtState(iCell);
  assert(state==evt::RAWWRITTEN
         ||state==evt::EMPTY
         ||state==evt::STOP
         ||state==evt::LUMISECTION);
  if (state==evt::RAWWRITTEN) {
    setEvtPrcId(iCell,getpid());
    setEvtState(iCell,evt::RAWREADING);
  }
  return cell;
}

FUShmRawCell * FUShmBuffer::rawCellToWrite

(

)

Definition at line 290 of file FUShmBuffer.cc.

References evf::evt::EMPTY, evtState(), nextRawWriteIndex(), rawCell(), evf::evt::RAWWRITING, setEvtDiscard(), setEvtState(), and waitRawWrite().

Referenced by scheduleRawEmptyCellForDiscard(), evf::FUShmServer::writeNext(), writeRawEmptyEvent(), and writeRawLumiSectionEvent().

{
  waitRawWrite();
  unsigned int  iCell=nextRawWriteIndex();
  FUShmRawCell* cell =rawCell(iCell);
  evt::State_t  state=evtState(iCell);
  assert(state==evt::EMPTY);
  setEvtState(iCell,evt::RAWWRITING);
  setEvtDiscard(iCell,1);
  return cell;
}

FUShmRecoCell * FUShmBuffer::recoCell

(

unsigned int

iCell

)

Definition at line 1551 of file FUShmBuffer.cc.

References gather_cfg::cout, nRecoCells_, recoCellOffset_, recoCellPayloadSize_, recoCellShmKey(), recoCellTotalSize_, query::result, segmentationMode_, shm_attach(), shm_get(), and shmid().

Referenced by discardOrphanedRecoCell(), discardRecoCell(), initialize(), recoCellToRead(), writeErrorEventData(), writeRecoEmptyEvent(), writeRecoEventData(), and writeRecoInitMsg().

{
  FUShmRecoCell* result(0);
  
  if (iCell>=nRecoCells_) {
    cout<<"FUShmBuffer::recoCell("<<iCell<<") ERROR: "
        <<"iCell="<<iCell<<" >= nRecoCells="<<nRecoCells_<<endl;
    return result;
  }
  
  if (segmentationMode_) {
    key_t         shmkey  =recoCellShmKey(iCell);
    int           shmid   =shm_get(shmkey,recoCellTotalSize_);
    void*         cellAddr=shm_attach(shmid);
    result=new (cellAddr) FUShmRecoCell(recoCellPayloadSize_);
  }
  else {
    result=
      (FUShmRecoCell*)((unsigned long)this+recoCellOffset_+iCell*recoCellTotalSize_);
  }
  
  return result;
}

key_t FUShmBuffer::recoCellShmKey

(

unsigned int

iCell

)

[private]

Definition at line 1643 of file FUShmBuffer.cc.

References gather_cfg::cout, nRecoCells_, recoCellOffset_, and shmKey().

Referenced by recoCell(), and releaseSharedMemory().

{
  if (iCell>=nRecoCells_) {
    cout<<"FUShmBuffer::recoCellShmKey() ERROR: "
        <<"iCell>=nRecoCells: "<<iCell<<">="<<nRecoCells_<<endl;
    return -1;
  }
  return shmKey(iCell,recoCellOffset_);
}

FUShmRecoCell * FUShmBuffer::recoCellToRead

(

)

Definition at line 323 of file FUShmBuffer.cc.

References nextRecoReadIndex(), nRawCells_, evf::FUShmRecoCell::rawCellIndex(), recoCell(), evf::evt::SENDING, setEvtState(), and waitRecoRead().

{
  waitRecoRead();
  unsigned int   iCell   =nextRecoReadIndex();
  FUShmRecoCell* cell    =recoCell(iCell);
  unsigned int   iRawCell=cell->rawCellIndex();
  if (iRawCell<nRawCells_) {
    //evt::State_t   state=evtState(iRawCell);
    //assert(state==evt::RECOWRITTEN);
    setEvtState(iRawCell,evt::SENDING);
  }
  return cell;
}

void FUShmBuffer::releaseRawCell

(

FUShmRawCell *

cell

)

Definition at line 506 of file FUShmBuffer.cc.

References evf::FUShmRawCell::clear(), gather_cfg::cout, evf::evt::DISCARDING, evf::evt::EMPTY, evtState(), evf::FUShmRawCell::index(), postRawIndexToWrite(), postRawWrite(), evf::evt::RAWWRITING, segmentationMode_, setEvtDiscard(), setEvtNumber(), setEvtPrcId(), setEvtState(), setEvtTimeStamp(), evf::evt::STOP, and evf::evt::USEDLS.

Referenced by discardRawCell().

{
  evt::State_t state=evtState(cell->index());
  if(!(
     state==evt::DISCARDING
     ||state==evt::RAWWRITING
     ||state==evt::EMPTY
     ||state==evt::STOP
     //     ||state==evt::LUMISECTION
     ||state==evt::USEDLS
     )) std::cout << "=================releaseRawCell state " << state 
                  << std::endl;

  assert(
         state==evt::DISCARDING
         ||state==evt::RAWWRITING
         ||state==evt::EMPTY
         ||state==evt::STOP
         //      ||state==evt::LUMISECTION
         ||state==evt::USEDLS
         );
  setEvtState(cell->index(),evt::EMPTY);
  setEvtDiscard(cell->index(),0);
  setEvtNumber(cell->index(),0xffffffff);
  setEvtPrcId(cell->index(),0);
  setEvtTimeStamp(cell->index(),0);
  cell->clear();
  postRawIndexToWrite(cell->index());
  if (segmentationMode_) shmdt(cell);
  postRawWrite();
}

bool FUShmBuffer::releaseSharedMemory

(

)

[static]

Definition at line 969 of file FUShmBuffer.cc.

References gather_cfg::cout, dqmCellShmKey(), FUShmBuffer(), getSemKey(), getShmDescriptorKey(), getShmKey(), i, nDqmCells(), nRawCells(), nRecoCells(), L1TEmulatorMonitor_cff::p, rawCellShmKey(), recoCellShmKey(), sem_destroy(), sem_get(), semid(), shm_attach(), shm_destroy(), shm_get(), shm_nattch(), shmid(), size(), and stor::utils::sleep().

Referenced by createShmBuffer(), and evf::FUResourceTable::~FUResourceTable().

{
  // get bookkeeping shared memory segment
  int   size   =sizeof(unsigned int)*7;
  int   shmidd =shm_get(FUShmBuffer::getShmDescriptorKey(),size); if(shmidd<0) return false;
  void* shmAddr=shm_attach(shmidd); if (0==shmAddr) return false;

  unsigned int*p=(unsigned int*)shmAddr;
  bool         segmentationMode=*p++;
  unsigned int nRawCells       =*p++;
  unsigned int nRecoCells      =*p++;
  unsigned int nDqmCells       =*p++;
  unsigned int rawCellSize     =*p++;
  unsigned int recoCellSize    =*p++;
  unsigned int dqmCellSize     =*p++;
  shmdt(shmAddr);

  
  // get the 'real' shared memory segment
  size     =FUShmBuffer::size(segmentationMode,
                              nRawCells,nRecoCells,nDqmCells,
                              rawCellSize,recoCellSize,dqmCellSize);
  int shmid=shm_get(FUShmBuffer::getShmKey(),size);if (shmid<0)    return false;
  int semid=sem_get(FUShmBuffer::getSemKey(),9);   if (semid<0)    return false;
  shmAddr  =shm_attach(shmid);                     if (0==shmAddr) return false; 

  int att = 0;
  for(; att <10; att++)
    {
      if(shm_nattch(shmid)>1) {
        cout << att << " FUShmBuffer::releaseSharedMemory(): nattch="<<shm_nattch(shmid)
             <<", failed attempt to release shared memory."<<endl;
	::sleep(1);
      }
      else
        break;
    }

  if(att>=10) return false;

  if (segmentationMode) {
    FUShmBuffer* buffer=
      new (shmAddr) FUShmBuffer(segmentationMode,
                                nRawCells,nRecoCells,nDqmCells,
                                rawCellSize,recoCellSize,dqmCellSize);
    int cellid;
    for (unsigned int i=0;i<nRawCells;i++) {
      cellid=shm_get(buffer->rawCellShmKey(i),FUShmRawCell::size(rawCellSize));
      if ((shm_destroy(cellid)==-1)) return false;
    }
    for (unsigned int i=0;i<nRecoCells;i++) {
      cellid=shm_get(buffer->recoCellShmKey(i),FUShmRecoCell::size(recoCellSize));
      if ((shm_destroy(cellid)==-1)) return false;
    }
    for (unsigned int i=0;i<nDqmCells;i++) {
      cellid=shm_get(buffer->dqmCellShmKey(i),FUShmDqmCell::size(dqmCellSize));
      if ((shm_destroy(cellid)==-1)) return false;
    }
  }
  shmdt(shmAddr);
  if (sem_destroy(semid)==-1)  return false;
  if (shm_destroy(shmid)==-1)  return false;
  if (shm_destroy(shmidd)==-1) return false;

  return true;
}

bool FUShmBuffer::removeClientPrcId

(

pid_t

prcId

)

Definition at line 1509 of file FUShmBuffer.cc.

References clientPrcIdOffset_, lock(), nClients_, and unlock().

Referenced by scheduleRawEmptyCellForDiscard(), and FUShmReader::~FUShmReader().

{
  lock();
  pid_t *prcid=(pid_t*)((unsigned long)this+clientPrcIdOffset_);
  unsigned int iClient(0);
  while (iClient<=nClients_&&(*prcid)!=prcId) { prcid++; iClient++; }
  assert(iClient!=nClients_);
  pid_t* next=prcid; next++;
  while (iClient<nClients_-1) { *prcid=*next; prcid++; next++; iClient++; }
  nClients_--;
  unlock();
  return true;
}

void FUShmBuffer::reset

(

void

)

Definition at line 229 of file FUShmBuffer.cc.

References dqmReadLast_, dqmReadNext_, dqmReadOffset_, dqmWriteLast_, dqmWriteNext_, dqmWriteOffset_, evf::dqm::EMPTY, evf::evt::EMPTY, i, nClients_, nDqmCells_, nRawCells_, nRecoCells_, rawReadLast_, rawReadNext_, rawReadOffset_, rawWriteLast_, rawWriteNext_, rawWriteOffset_, recoReadLast_, recoReadNext_, recoReadOffset_, recoWriteLast_, recoWriteNext_, recoWriteOffset_, sem_init(), sem_print(), setDqmState(), setEvtDiscard(), setEvtNumber(), setEvtPrcId(), setEvtState(), and setEvtTimeStamp().

Referenced by initialize().

{
  nClients_=0;

  // setup ipc semaphores
  sem_init(0,1);          // lock (binary)
  sem_init(1,nRawCells_); // raw  write semaphore
  sem_init(2,0);          // raw  read  semaphore
  sem_init(3,1);          // binary semaphore to schedule raw event for discard
  sem_init(4,0);          // binary semaphore to discard raw event
  sem_init(5,nRecoCells_);// reco write semaphore
  sem_init(6,0);          // reco send (read) semaphore
  sem_init(7,nDqmCells_); // dqm  write semaphore
  sem_init(8,0);          // dqm  send (read) semaphore

  sem_print();

  unsigned int *iWrite,*iRead;
  
  rawWriteNext_=0; rawWriteLast_=0; rawReadNext_ =0; rawReadLast_ =0;
  iWrite=(unsigned int*)((unsigned long)this+rawWriteOffset_);
  iRead =(unsigned int*)((unsigned long)this+rawReadOffset_);
  for (unsigned int i=0;i<nRawCells_;i++) { *iWrite++=i; *iRead++ =0xffffffff; }

  recoWriteNext_=0; recoWriteLast_=0; recoReadNext_ =0; recoReadLast_ =0;
  iWrite=(unsigned int*)((unsigned long)this+recoWriteOffset_);
  iRead =(unsigned int*)((unsigned long)this+recoReadOffset_);
  for (unsigned int i=0;i<nRecoCells_;i++) { *iWrite++=i; *iRead++ =0xffffffff; }

  dqmWriteNext_=0; dqmWriteLast_=0; dqmReadNext_ =0; dqmReadLast_ =0;
  iWrite=(unsigned int*)((unsigned long)this+dqmWriteOffset_);
  iRead =(unsigned int*)((unsigned long)this+dqmReadOffset_);
  for (unsigned int i=0;i<nDqmCells_;i++) { *iWrite++=i; *iRead++ =0xffffffff; }
  
  for (unsigned int i=0;i<nRawCells_;i++) {
    setEvtState(i,evt::EMPTY);
    setEvtDiscard(i,0);
    setEvtNumber(i,0xffffffff);
    setEvtPrcId(i,0);
    setEvtTimeStamp(i,0);
  }

  for (unsigned int i=0;i<nDqmCells_;i++) setDqmState(i,dqm::EMPTY);
}

void FUShmBuffer::scheduleRawCellForDiscard

(

unsigned int

iCell

)

Definition at line 420 of file FUShmBuffer.cc.

References evf::evt::EMPTY, evtState(), evf::evt::LUMISECTION, postRawDiscard(), postRawDiscarded(), evf::evt::PROCESSED, evf::evt::PROCESSING, rawCellReadyForDiscard(), rawDiscardIndex_, evf::evt::SENT, setEvtState(), evf::evt::STOP, evf::evt::USEDLS, and waitRawDiscard().

Referenced by discardRecoCell(), FUShmReader::fillRawData(), and evf::FUShmClient::readNext().

{
  waitRawDiscard();
  if (rawCellReadyForDiscard(iCell)) {
    rawDiscardIndex_=iCell;
    evt::State_t  state=evtState(iCell);
    assert(state==evt::PROCESSING
           ||state==evt::SENT
           ||state==evt::EMPTY
           ||state==evt::STOP
           ||state==evt::LUMISECTION
           );
    if (state==evt::PROCESSING) setEvtState(iCell,evt::PROCESSED);
    if (state==evt::LUMISECTION) setEvtState(iCell,evt::USEDLS);
    postRawDiscarded();
  }
  else postRawDiscard();
}

void FUShmBuffer::scheduleRawCellForDiscardServerSide

(

unsigned int

iCell

)

Definition at line 441 of file FUShmBuffer.cc.

References evf::evt::EMPTY, evtState(), evf::evt::LUMISECTION, postRawDiscard(), postRawDiscarded(), evf::evt::PROCESSED, rawCellReadyForDiscard(), rawDiscardIndex_, setEvtState(), evf::evt::USEDLS, and waitRawDiscard().

{
  waitRawDiscard();
  if (rawCellReadyForDiscard(iCell)) {
    rawDiscardIndex_=iCell;
    evt::State_t  state=evtState(iCell);
    if(state!=evt::LUMISECTION && state!=evt::EMPTY && state!=evt::USEDLS) setEvtState(iCell,evt::PROCESSED);
    if(state==evt::LUMISECTION) setEvtState(iCell,evt::USEDLS);
    postRawDiscarded();
  }
  else postRawDiscard();
}

void FUShmBuffer::scheduleRawEmptyCellForDiscard

(

)

Definition at line 594 of file FUShmBuffer.cc.

References evf::FUShmRawCell::index(), postRawDiscarded(), rawCellToWrite(), rawDiscardIndex_, evf::FUShmRawCell::setEventTypeStopper(), setEvtNumber(), setEvtPrcId(), setEvtState(), setEvtTimeStamp(), and evf::evt::STOP.

Referenced by FUShmReader::fillRawData().

{
  FUShmRawCell* cell=rawCellToWrite();
  rawDiscardIndex_=cell->index();
  setEvtState(cell->index(),evt::STOP);
  cell->setEventTypeStopper();
  setEvtNumber(cell->index(),0xffffffff);
  setEvtPrcId(cell->index(),0);
  setEvtTimeStamp(cell->index(),0);
  postRawDiscarded();
}

void FUShmBuffer::scheduleRawEmptyCellForDiscard

(

FUShmRawCell *

cell

)

Definition at line 608 of file FUShmBuffer.cc.

References evf::FUShmRawCell::index(), postRawDiscard(), postRawDiscarded(), rawCellReadyForDiscard(), rawDiscardIndex_, removeClientPrcId(), segmentationMode_, and waitRawDiscard().

{
  waitRawDiscard();
  if (rawCellReadyForDiscard(cell->index())) {
    rawDiscardIndex_=cell->index();
    // as this function is called by the reader, the state and type should 
    // already be correct
    //    setEvtState(cell->index(),evt::STOP);
    //    cell->setEventType(evt::STOPPER);
    //    setEvtNumber(cell->index(),0xffffffff);
    //    setEvtPrcId(cell->index(),0);
    //    setEvtTimeStamp(cell->index(),0);
    removeClientPrcId(getpid());
    if (segmentationMode_) shmdt(cell);
    postRawDiscarded();
  }
  else postRawDiscard();
}

void FUShmBuffer::scheduleRawEmptyCellForDiscardServerSide

(

FUShmRawCell *

cell

)

Definition at line 628 of file FUShmBuffer.cc.

References evf::FUShmRawCell::index(), postRawDiscard(), postRawDiscarded(), rawCellReadyForDiscard(), rawDiscardIndex_, and segmentationMode_.

{
  //  waitRawDiscard();
  if (rawCellReadyForDiscard(cell->index())) {
    rawDiscardIndex_=cell->index();
    //    setEvtState(cell->index(),evt::STOP);
    //    cell->setEventType(evt::STOPPER);
    //    setEvtNumber(cell->index(),0xffffffff);
    //    setEvtPrcId(cell->index(),0);
    //    setEvtTimeStamp(cell->index(),0);
    //    removeClientPrcId(getpid());
    if (segmentationMode_) shmdt(cell);
    postRawDiscarded();
  }
  else postRawDiscard();
}

int FUShmBuffer::sem_create	(	key_t	key,
		int	nsem
	)		[static]

Definition at line 1173 of file FUShmBuffer.cc.

References gather_cfg::cout, and semid().

Referenced by createShmBuffer().

{
  int semid=semget(key,nsem,IPC_CREAT|0666);
  if (semid<0) {
    int err=errno;
    cout<<"FUShmBuffer::sem_create(key="<<key<<",nsem="<<nsem<<") failed: "
        <<strerror(err)<<endl;
  }
  return semid;
}

int FUShmBuffer::sem_destroy

(

int

semid

)

[static]

Definition at line 1199 of file FUShmBuffer.cc.

References gather_cfg::cout, and query::result.

Referenced by releaseSharedMemory().

{
  int result=semctl(semid,0,IPC_RMID);
  if (result==-1) cout<<"FUShmBuffer::sem_destroy(semid="<<semid<<") failed."<<endl;
  return result;
}

int FUShmBuffer::sem_get	(	key_t	key,
		int	nsem
	)		[static]

Definition at line 1186 of file FUShmBuffer.cc.

References gather_cfg::cout, and semid().

Referenced by getShmBuffer(), and releaseSharedMemory().

{
  int semid=semget(key,nsem,0666);
  if (semid<0) {
    int err=errno;
    cout<<"FUShmBuffer::sem_get(key="<<key<<",nsem="<<nsem<<") failed: "
        <<strerror(err)<<endl;
  }
  return semid;
}

void FUShmBuffer::sem_init	(	int	isem,
		int	value
	)		[private]

Definition at line 1667 of file FUShmBuffer.cc.

References gather_cfg::cout, and semid().

Referenced by reset().

{
  if (semctl(semid(),isem,SETVAL,value)<0) {
    cout<<"FUShmBuffer: FATAL ERROR in semaphore initialization."<<endl;
  }
}

void FUShmBuffer::sem_post

(

int

isem

)

[private]

Definition at line 1691 of file FUShmBuffer.cc.

References gather_cfg::cout, and semid().

Referenced by postDqmRead(), postDqmWrite(), postRawDiscard(), postRawDiscarded(), postRawRead(), postRawWrite(), postRecoRead(), postRecoWrite(), and unlock().

{
  struct sembuf sops[1];
  sops[0].sem_num=isem;
  sops[0].sem_op =   1;
  sops[0].sem_flg=   0;
  if (semop(semid(),sops,1)==-1) {
    cout<<"FUShmBuffer: ERROR in semaphore operation sem_post."<<endl;
  }
}

void FUShmBuffer::sem_print

(

)

Definition at line 801 of file FUShmBuffer.cc.

References gather_cfg::cout, and semid().

Referenced by FUShmReader::fillRawData(), and reset().

{
  cout<<"--> current sem values:"
      <<endl
      <<" lock="<<semctl(semid(),0,GETVAL)
      <<endl
      <<" wraw="<<semctl(semid(),1,GETVAL)
      <<" rraw="<<semctl(semid(),2,GETVAL)
      <<endl
      <<" wdsc="<<semctl(semid(),3,GETVAL)
      <<" rdsc="<<semctl(semid(),4,GETVAL)
      <<endl
      <<" wrec="<<semctl(semid(),5,GETVAL)
      <<" rrec="<<semctl(semid(),6,GETVAL)
      <<endl
      <<" wdqm="<<semctl(semid(),7,GETVAL)
      <<" rdqm="<<semctl(semid(),8,GETVAL)
      <<endl;
}

int FUShmBuffer::sem_wait

(

int

isem

)

[private]

Definition at line 1676 of file FUShmBuffer.cc.

References gather_cfg::cout, and semid().

Referenced by lock(), waitDqmRead(), waitDqmWrite(), waitRawDiscard(), waitRawDiscarded(), waitRawRead(), waitRawWrite(), waitRecoRead(), and waitRecoWrite().

{
  struct sembuf sops[1];
  sops[0].sem_num=isem;
  sops[0].sem_op =  -1;
  sops[0].sem_flg=   0;
  if (semop(semid(),sops,1)==-1) {
    cout<<"FUShmBuffer: ERROR in semaphore operation sem_wait."<<endl;
    return -1;
  }
  return 0;
}

int evf::FUShmBuffer::semid

(

)

const [inline]

Definition at line 69 of file FUShmBuffer.h.

References semid_.

Referenced by createShmBuffer(), getShmBuffer(), initialize(), nbRawCellsToRead(), nbRawCellsToWrite(), releaseSharedMemory(), sem_create(), sem_get(), sem_init(), sem_post(), sem_print(), and sem_wait().

{ return semid_; }

bool FUShmBuffer::setClientPrcId

(

pid_t

prcId

)

[private]

Definition at line 1492 of file FUShmBuffer.cc.

References clientPrcIdOffset_, i, lock(), nClients_, nClientsMax_, and unlock().

Referenced by getShmBuffer().

{
  lock();
  assert(nClients_<nClientsMax_);
  pid_t *prcid=(pid_t*)((unsigned long)this+clientPrcIdOffset_);
  for (unsigned int i=0;i<nClients_;i++) {
    if ((*prcid)==prcId) { unlock();  return false; }
    prcid++;
  }
  nClients_++;
  *prcid=prcId;
  unlock();
  return true;
}

bool FUShmBuffer::setDqmState	(	unsigned int	index,
		dqm::State_t	state
	)

Definition at line 1412 of file FUShmBuffer.cc.

References dqmStateOffset_, getHLTprescales::index, lock(), nDqmCells_, evf::utils::state, and unlock().

Referenced by discardDqmCell(), dqmCellToRead(), finishReadingDqmCell(), reset(), and writeDqmEventData().

{
  assert(index<nDqmCells_);
  dqm::State_t *pstate=(dqm::State_t*)((unsigned long)this+dqmStateOffset_);
  pstate+=index;
  lock();
  *pstate=state;
  unlock();
  return true;
}

bool FUShmBuffer::setEvtDiscard	(	unsigned int	index,
		unsigned int	discard
	)		[private]

Definition at line 1425 of file FUShmBuffer.cc.

References evtDiscardOffset_, getHLTprescales::index, lock(), nRawCells_, and unlock().

Referenced by rawCellToWrite(), releaseRawCell(), reset(), and writeErrorEventData().

{
  assert(index<nRawCells_);
  unsigned int *pcount=(unsigned int*)((unsigned long)this+evtDiscardOffset_);
  pcount+=index;
  lock();
  *pcount=discard;
  unlock();
  return true;
}

bool FUShmBuffer::setEvtNumber	(	unsigned int	index,
		unsigned int	evtNumber
	)		[private]

Definition at line 1453 of file FUShmBuffer.cc.

References evtNumber(), evtNumberOffset_, getHLTprescales::index, lock(), nRawCells_, and unlock().

Referenced by finishWritingRawCell(), releaseRawCell(), reset(), and scheduleRawEmptyCellForDiscard().

{
  assert(index<nRawCells_);
  unsigned int *pevt=(unsigned int*)((unsigned long)this+evtNumberOffset_);
  pevt+=index;
  lock();
  *pevt=evtNumber;
  unlock();
  return true;
}

bool FUShmBuffer::setEvtPrcId	(	unsigned int	index,
		pid_t	prcId
	)		[private]

Definition at line 1466 of file FUShmBuffer.cc.

References evtPrcIdOffset_, getHLTprescales::index, lock(), nRawCells_, and unlock().

Referenced by rawCellToRead(), releaseRawCell(), reset(), and scheduleRawEmptyCellForDiscard().

{
  assert(index<nRawCells_);
  pid_t* prcid=(pid_t*)((unsigned long)this+evtPrcIdOffset_);
  prcid+=index;
  lock();
  *prcid=prcId;
  unlock();
  return true;
}

bool FUShmBuffer::setEvtState	(	unsigned int	index,
		evt::State_t	state
	)

Definition at line 1399 of file FUShmBuffer.cc.

References evtStateOffset_, getHLTprescales::index, lock(), nRawCells_, evf::utils::state, and unlock().

Referenced by finishReadingRawCell(), finishReadingRecoCell(), finishWritingRawCell(), rawCellToDiscard(), rawCellToRead(), rawCellToWrite(), recoCellToRead(), releaseRawCell(), reset(), scheduleRawCellForDiscard(), scheduleRawCellForDiscardServerSide(), scheduleRawEmptyCellForDiscard(), writeErrorEventData(), writeRawEmptyEvent(), writeRawLumiSectionEvent(), and writeRecoEventData().

{
  assert(index<nRawCells_);
  evt::State_t *pstate=(evt::State_t*)((unsigned long)this+evtStateOffset_);
  pstate+=index;
  lock();
  *pstate=state;
  unlock();
  return true;
}

bool FUShmBuffer::setEvtTimeStamp	(	unsigned int	index,
		time_t	timeStamp
	)		[private]

Definition at line 1479 of file FUShmBuffer.cc.

References evtTimeStampOffset_, getHLTprescales::index, lock(), nRawCells_, stor::utils::timeStamp(), and unlock().

Referenced by finishReadingRawCell(), releaseRawCell(), reset(), and scheduleRawEmptyCellForDiscard().

{
  assert(index<nRawCells_);
  time_t *ptstmp=(time_t*)((unsigned long)this+evtTimeStampOffset_);
  ptstmp+=index;
  lock();
  *ptstmp=timeStamp;
  unlock();
  return true;
}

void * FUShmBuffer::shm_attach

(

int

shmid

)

[static]

Definition at line 1141 of file FUShmBuffer.cc.

References gather_cfg::cout, NULL, and query::result.

Referenced by createShmBuffer(), dqmCell(), getShmBuffer(), initialize(), rawCell(), recoCell(), and releaseSharedMemory().

{
  void* result=shmat(shmid,NULL,0);
  if (0==result) {
    int err=errno;
    cout<<"FUShmBuffer::shm_attach("<<shmid<<") failed: "
        <<strerror(err)<<endl;
  }
  return result;
}

int FUShmBuffer::shm_create	(	key_t	key,
		int	size
	)		[static]

Definition at line 1103 of file FUShmBuffer.cc.

References gather_cfg::cout, query::result, and shmid().

Referenced by createShmBuffer(), and initialize().

{
  // first check and possibly remove existing segment with same id
  int shmid=shmget(key,1,0644);//using minimal size any segment with key "key" will be connected
  if(shmid!=-1){
    // an existing segment was found, remove it
    shmid_ds shmstat;
    int result=shmctl(shmid,IPC_STAT,&shmstat);
    cout << "FUShmBuffer found segment for key 0x " << hex << key << dec
         << " created by process " << shmstat.shm_cpid << " owned by "
         << shmstat.shm_perm.uid << " permissions " 
         << hex << shmstat.shm_perm.mode << dec << endl;
    result=shmctl(shmid,IPC_RMID,&shmstat);
  }
  shmid=shmget(key,size,IPC_CREAT|0644);
  if (shmid==-1) {
    int err=errno;
    cout<<"FUShmBuffer::shm_create("<<key<<","<<size<<") failed: "
        <<strerror(err)<<endl;
  }
  return shmid;
}

int FUShmBuffer::shm_destroy

(

int

shmid

)

[static]

Definition at line 1163 of file FUShmBuffer.cc.

References gather_cfg::cout, and query::result.

Referenced by releaseSharedMemory().

{
  shmid_ds shmstat;
  int result=shmctl(shmid,IPC_RMID,&shmstat);
  if (result==-1) cout<<"FUShmBuffer::shm_destroy(shmid="<<shmid<<") failed."<<endl;
  return result;
}

int FUShmBuffer::shm_get	(	key_t	key,
		int	size
	)		[static]

Definition at line 1128 of file FUShmBuffer.cc.

References gather_cfg::cout, and shmid().

Referenced by dqmCell(), getShmBuffer(), rawCell(), recoCell(), and releaseSharedMemory().

{
  int shmid=shmget(key,size,0644);
  if (shmid==-1) {
    int err=errno;
    cout<<"FUShmBuffer::shm_get("<<key<<","<<size<<") failed: "
        <<strerror(err)<<endl;
  }
  return shmid;
}

int FUShmBuffer::shm_nattch

(

int

shmid

)

[static]

Definition at line 1154 of file FUShmBuffer.cc.

Referenced by createShmBuffer(), evf::FUResourceTable::discard(), getShmBuffer(), and releaseSharedMemory().

{
  shmid_ds shmstat;
  shmctl(shmid,IPC_STAT,&shmstat);
  return shmstat.shm_nattch;
}

int evf::FUShmBuffer::shmid

(

)

const [inline]

Definition at line 68 of file FUShmBuffer.h.

References shmid_.

Referenced by createShmBuffer(), dqmCell(), getShmBuffer(), initialize(), rawCell(), recoCell(), releaseSharedMemory(), shm_create(), and shm_get().

{ return shmid_; }

key_t FUShmBuffer::shmKey	(	unsigned int	iCell,
		unsigned int	offset
	)		[private]

Definition at line 1618 of file FUShmBuffer.cc.

References gather_cfg::cout, i, evf::evtn::offset(), and segmentationMode_.

Referenced by dqmCellShmKey(), rawCellShmKey(), and recoCellShmKey().

{
  if (!segmentationMode_) {
    cout<<"FUShmBuffer::shmKey() ERROR: only valid in segmentationMode!"<<endl;
    return -1;
  }
  key_t* addr=(key_t*)((unsigned long)this+offset);
  for (unsigned int i=0;i<iCell;i++) ++addr;
  return *addr;
}

unsigned int FUShmBuffer::size	(	bool	segmentationMode,
		unsigned int	nRawCells,
		unsigned int	nRecoCells,
		unsigned int	nDqmCells,
		unsigned int	rawCellSize,
		unsigned int	recoCellSize,
		unsigned int	dqmCellSize
	)		[static]

Definition at line 1038 of file FUShmBuffer.cc.

References FUShmBuffer(), nDqmCells(), evf::evtn::offset(), and query::result.

Referenced by createShmBuffer(), FUShmBuffer(), getShmBuffer(), and releaseSharedMemory().

{
  unsigned int offset=
    sizeof(FUShmBuffer)+
    sizeof(unsigned int)*4*nRawCells+
    sizeof(evt::State_t)*nRawCells+
    sizeof(dqm::State_t)*nDqmCells;
  
  unsigned int rawCellTotalSize=FUShmRawCell::size(rawCellSize);
  unsigned int recoCellTotalSize=FUShmRecoCell::size(recoCellSize);
  unsigned int dqmCellTotalSize=FUShmDqmCell::size(dqmCellSize);
  
  unsigned int realSize =
    (segmentationMode) ?
    offset
    +sizeof(key_t)*(nRawCells+nRecoCells+nDqmCells)
    :
    offset
    +rawCellTotalSize*nRawCells
    +recoCellTotalSize*nRecoCells
    +dqmCellTotalSize*nDqmCells;

  unsigned int result=realSize/0x10*0x10 + (realSize%0x10>0)*0x10;
  
  return result;
}

void evf::FUShmBuffer::unlock

(

void

)

[inline]

Definition at line 245 of file FUShmBuffer.h.

References sem_post().

Referenced by incEvtDiscard(), nextIndex(), postIndex(), rawCellReadyForDiscard(), removeClientPrcId(), setClientPrcId(), setDqmState(), setEvtDiscard(), setEvtNumber(), setEvtPrcId(), setEvtState(), and setEvtTimeStamp().

{ sem_post(0); }

void evf::FUShmBuffer::waitDqmRead

(

)

[inline, private]

Definition at line 261 of file FUShmBuffer.h.

References sem_wait().

Referenced by dqmCellToRead().

{ sem_wait(8); }

void evf::FUShmBuffer::waitDqmWrite

(

)

[inline, private]

Definition at line 259 of file FUShmBuffer.h.

References sem_wait().

Referenced by writeDqmEmptyEvent(), and writeDqmEventData().

{ sem_wait(7); }

void evf::FUShmBuffer::waitRawDiscard

(

)

[inline, private]

Definition at line 251 of file FUShmBuffer.h.

References sem_wait().

Referenced by scheduleRawCellForDiscard(), scheduleRawCellForDiscardServerSide(), and scheduleRawEmptyCellForDiscard().

{ sem_wait(3); }

void evf::FUShmBuffer::waitRawDiscarded

(

)

[inline, private]

Definition at line 253 of file FUShmBuffer.h.

References sem_wait().

Referenced by rawCellToDiscard().

{ sem_wait(4); }

void evf::FUShmBuffer::waitRawRead

(

)

[inline, private]

Definition at line 249 of file FUShmBuffer.h.

References sem_wait().

Referenced by rawCellToRead().

{ sem_wait(2); }

void evf::FUShmBuffer::waitRawWrite

(

)

[inline, private]

Definition at line 247 of file FUShmBuffer.h.

References sem_wait().

Referenced by rawCellToWrite().

{ sem_wait(1); }

void evf::FUShmBuffer::waitRecoRead

(

)

[inline, private]

Definition at line 257 of file FUShmBuffer.h.

References sem_wait().

Referenced by recoCellToRead().

{ sem_wait(6); }

void evf::FUShmBuffer::waitRecoWrite

(

)

[inline, private]

Definition at line 255 of file FUShmBuffer.h.

References sem_wait().

Referenced by writeErrorEventData(), writeRecoEmptyEvent(), writeRecoEventData(), and writeRecoInitMsg().

{ sem_wait(5); }

void FUShmBuffer::writeDqmEmptyEvent

(

)

Definition at line 581 of file FUShmBuffer.cc.

References evf::FUShmDqmCell::clear(), dqmCell(), nextDqmWriteIndex(), postDqmIndexToRead(), postDqmRead(), segmentationMode_, and waitDqmWrite().

{
  waitDqmWrite();
  unsigned int  iCell=nextDqmWriteIndex();
  FUShmDqmCell* cell=dqmCell(iCell);
  cell->clear();
  postDqmIndexToRead(iCell);
  if (segmentationMode_) shmdt(cell);
  postDqmRead();
}

bool FUShmBuffer::writeDqmEventData	(	unsigned int	runNumber,
		unsigned int	evtAtUpdate,
		unsigned int	folderId,
		unsigned int	fuProcessId,
		unsigned int	fuGuid,
		unsigned char *	data,
		unsigned int	dataSize
	)

Definition at line 772 of file FUShmBuffer.cc.

References gather_cfg::cout, dqmCell(), dqmCellPayloadSize_, dqmState(), evf::dqm::EMPTY, nextDqmWriteIndex(), postDqmIndexToRead(), postDqmRead(), segmentationMode_, setDqmState(), waitDqmWrite(), evf::FUShmDqmCell::writeData(), evf::dqm::WRITING, and evf::dqm::WRITTEN.

Referenced by FUShmDQMOutputService::writeShmDQMData().

{
  if (dataSize>dqmCellPayloadSize_) {
    cout<<"FUShmBuffer::writeDqmEventData() ERROR: buffer overflow."<<endl;
    return false;
  }
  
  waitDqmWrite();
  unsigned int  iCell=nextDqmWriteIndex();
  FUShmDqmCell* cell=dqmCell(iCell);
  dqm::State_t state=dqmState(iCell);
  assert(state==dqm::EMPTY);
  setDqmState(iCell,dqm::WRITING);
  cell->writeData(runNumber,evtAtUpdate,folderId,fuProcessId,fuGuid,data,dataSize);
  setDqmState(iCell,dqm::WRITTEN);
  postDqmIndexToRead(iCell);
  if (segmentationMode_) shmdt(cell);
  postDqmRead();
  return true;
}

bool FUShmBuffer::writeErrorEventData	(	unsigned int	runNumber,
		unsigned int	fuProcessId,
		unsigned int	iRawCell
	)

Definition at line 702 of file FUShmBuffer.cc.

References runTheMatrix::data, evf::FUShmRawCell::eventSize(), evf::FUShmRawCell::evtNumber(), evf::FUShmRawCell::fedAddr(), evf::FUShmRawCell::fedSize(), evf::evtn::getlbn(), i, FEDNumbering::MINTriggerGTPFEDID, nextRecoWriteIndex(), evf::FUShmRawCell::payloadAddr(), pos, postRecoIndexToRead(), postRecoRead(), runTheMatrix_dev::raw, rawCell(), dt_dqm_sourceclient_common_cff::reco, recoCell(), evf::evt::RECOWRITING, evf::evt::RECOWRITTEN, segmentationMode_, setEvtDiscard(), setEvtState(), waitRecoWrite(), and evf::FUShmRecoCell::writeErrorEvent().

Referenced by FUShmReader::~FUShmReader().

{
  FUShmRawCell *raw=rawCell(iRawCell);

  unsigned int   dataSize=sizeof(uint32_t)*(4+1024)+raw->eventSize();
  unsigned char *data    =new unsigned char[dataSize];
  uint32_t      *pos     =(uint32_t*)data;
  // 06-Oct-2008, KAB - added a version number for the error event format.
  //
  // Version 1 had no version number, so the run number appeared in the
  // first value.  So, a reasonable test for version 1 is whether the
  // first value is larger than some relatively small cutoff (say 32).
  // Version 2 added the lumi block number.
  //
  *pos++=(uint32_t)2;  // protocol version number
  *pos++=(uint32_t)runNumber;
  *pos++=(uint32_t)evf::evtn::getlbn(raw->fedAddr(FEDNumbering::MINTriggerGTPFEDID)) + 1;
  *pos++=(uint32_t)raw->evtNumber();
  for (unsigned int i=0;i<1024;i++) *pos++ = (uint32_t)raw->fedSize(i);
  memcpy(pos,raw->payloadAddr(),raw->eventSize());
  
  // DEBUG
  /*
    if (1) {
    stringstream ss;
    ss<<"/tmp/run"<<runNumber<<"_evt"<<raw->evtNumber()<<".err";
    ofstream fout;
    fout.open(ss.str().c_str(),ios::out|ios::binary);
    if (!fout.write((char*)data,dataSize))
    cout<<"Failed to write error event to "<<ss.str()<<endl;
    fout.close();
    
    stringstream ss2;
    ss2<<"/tmp/run"<<runNumber<<"_evt"<<raw->evtNumber()<<".info";
    ofstream fout2;
    fout2.open(ss2.str().c_str());
    fout2<<"dataSize = "<<dataSize<<endl;
    fout2<<"runNumber = "<<runNumber<<endl;
    fout2<<"evtNumber = "<<raw->evtNumber()<<endl;
    fout2<<"eventSize = "<<raw->eventSize()<<endl;
    unsigned int totalSize(0);
    for (unsigned int i=0;i<1024;i++) {
    unsigned int fedSize = raw->fedSize(i);
    totalSize += fedSize;
    if (fedSize>0) fout2<<i<<": "<<fedSize<<endl;
    }
    fout2<<"totalSize = "<<totalSize<<endl;
    fout2.close();
    }
  */// END DEBUG
  
  waitRecoWrite();
  unsigned int   iRecoCell=nextRecoWriteIndex();
  FUShmRecoCell* reco     =recoCell(iRecoCell);
  setEvtState(iRawCell,evt::RECOWRITING);
  setEvtDiscard(iRawCell,1);
  reco->writeErrorEvent(iRawCell,runNumber,raw->evtNumber(),fuProcessId,
                        data,dataSize);
  delete [] data;
  setEvtState(iRawCell,evt::RECOWRITTEN);
  postRecoIndexToRead(iRecoCell);
  if (segmentationMode_) { shmdt(raw); shmdt(reco); }
  postRecoRead();
  return true;
}

void FUShmBuffer::writeRawEmptyEvent

(

)

Definition at line 540 of file FUShmBuffer.cc.

References evtState(), evf::FUShmRawCell::index(), postRawIndexToRead(), postRawRead(), rawCellToWrite(), evf::evt::RAWWRITING, segmentationMode_, evf::FUShmRawCell::setEventTypeStopper(), setEvtState(), and evf::evt::STOP.

{
  FUShmRawCell* cell=rawCellToWrite();
  evt::State_t state=evtState(cell->index());
  assert(state==evt::RAWWRITING);
  setEvtState(cell->index(),evt::STOP);
  cell->setEventTypeStopper();
  postRawIndexToRead(cell->index());
  if (segmentationMode_) shmdt(cell);
  postRawRead();
}

void FUShmBuffer::writeRawLumiSectionEvent

(

unsigned int

ls

)

Definition at line 553 of file FUShmBuffer.cc.

References evtState(), evf::FUShmRawCell::index(), evf::evt::LUMISECTION, postRawIndexToRead(), postRawRead(), rawCellToWrite(), evf::evt::RAWWRITING, segmentationMode_, evf::FUShmRawCell::setEventTypeEol(), setEvtState(), and evf::FUShmRawCell::setLumiSection().

{
  FUShmRawCell* cell=rawCellToWrite();
  cell->setLumiSection(ls);
  evt::State_t state=evtState(cell->index());
  assert(state==evt::RAWWRITING);
  setEvtState(cell->index(),evt::LUMISECTION);
  cell->setEventTypeEol();
  postRawIndexToRead(cell->index());
  if (segmentationMode_) shmdt(cell);
  postRawRead();
}

void FUShmBuffer::writeRecoEmptyEvent

(

)

Definition at line 568 of file FUShmBuffer.cc.

References evf::FUShmRecoCell::clear(), nextRecoWriteIndex(), postRecoIndexToRead(), postRecoRead(), recoCell(), segmentationMode_, and waitRecoWrite().

{
  waitRecoWrite();
  unsigned int   iCell=nextRecoWriteIndex();
  FUShmRecoCell* cell =recoCell(iCell);
  cell->clear();
  postRecoIndexToRead(iCell);
  if (segmentationMode_) shmdt(cell);
  postRecoRead();
}

bool FUShmBuffer::writeRecoEventData	(	unsigned int	runNumber,
		unsigned int	evtNumber,
		unsigned int	outModId,
		unsigned int	fuProcessId,
		unsigned int	fuGuid,
		unsigned char *	data,
		unsigned int	dataSize
	)

Definition at line 670 of file FUShmBuffer.cc.

References gather_cfg::cout, incEvtDiscard(), indexForEvtNumber(), nextRecoWriteIndex(), postRecoIndexToRead(), postRecoRead(), recoCell(), recoCellPayloadSize_, evf::evt::RECOWRITING, evf::evt::RECOWRITTEN, segmentationMode_, setEvtState(), waitRecoWrite(), and evf::FUShmRecoCell::writeEventData().

Referenced by edm::FUShmOutputModule::doOutputEvent().

{
  if (dataSize>recoCellPayloadSize_) {
    cout<<"FUShmBuffer::writeRecoEventData() ERROR: buffer overflow."<<endl;
    return false;
  }
  
  waitRecoWrite();
  unsigned int   iCell=nextRecoWriteIndex();
  FUShmRecoCell* cell =recoCell(iCell);
  unsigned int rawCellIndex=indexForEvtNumber(evtNumber);
  //evt::State_t state=evtState(rawCellIndex);
  //assert(state==evt::PROCESSING||state==evt::RECOWRITING||state==evt::SENT);
  setEvtState(rawCellIndex,evt::RECOWRITING);
  incEvtDiscard(rawCellIndex);
  cell->writeEventData(rawCellIndex,runNumber,evtNumber,outModId,
                       fuProcessId,fuGuid,data,dataSize);
  setEvtState(rawCellIndex,evt::RECOWRITTEN);
  postRecoIndexToRead(iCell);
  if (segmentationMode_) shmdt(cell);
  postRecoRead();
  return true;
}

bool FUShmBuffer::writeRecoInitMsg	(	unsigned int	outModId,
		unsigned int	fuProcessId,
		unsigned int	fuGuid,
		unsigned char *	data,
		unsigned int	dataSize
	)

Definition at line 647 of file FUShmBuffer.cc.

References gather_cfg::cout, nextRecoWriteIndex(), postRecoIndexToRead(), postRecoRead(), recoCell(), recoCellPayloadSize_, segmentationMode_, waitRecoWrite(), and evf::FUShmRecoCell::writeInitMsg().

Referenced by edm::FUShmOutputModule::doOutputHeader().

{
  if (dataSize>recoCellPayloadSize_) {
    cout<<"FUShmBuffer::writeRecoInitMsg() ERROR: buffer overflow."<<endl;
    return false;
  }
  
  waitRecoWrite();
  unsigned int   iCell=nextRecoWriteIndex();
  FUShmRecoCell* cell =recoCell(iCell);
  cell->writeInitMsg(outModId,fuProcessId,fuGuid,data,dataSize);
  postRecoIndexToRead(iCell);
  if (segmentationMode_) shmdt(cell);
  postRecoRead();
  return true;
}

---

Member Data Documentation

unsigned int evf::FUShmBuffer::clientPrcIdOffset_ [private]

Definition at line 304 of file FUShmBuffer.h.

Referenced by clientPrcId(), FUShmBuffer(), removeClientPrcId(), and setClientPrcId().

unsigned int evf::FUShmBuffer::dqmCellOffset_ [private]

Definition at line 323 of file FUShmBuffer.h.

Referenced by dqmCell(), dqmCellShmKey(), FUShmBuffer(), and initialize().

unsigned int evf::FUShmBuffer::dqmCellPayloadSize_ [private]

Definition at line 321 of file FUShmBuffer.h.

Referenced by dqmCell(), FUShmBuffer(), initialize(), and writeDqmEventData().

unsigned int evf::FUShmBuffer::dqmCellTotalSize_ [private]

Definition at line 322 of file FUShmBuffer.h.

Referenced by dqmCell(), FUShmBuffer(), and initialize().

unsigned int evf::FUShmBuffer::dqmReadIndex_ [private]

Definition at line 319 of file FUShmBuffer.h.

unsigned int evf::FUShmBuffer::dqmReadLast_ [private]

Definition at line 292 of file FUShmBuffer.h.

Referenced by postDqmIndexToRead(), and reset().

unsigned int evf::FUShmBuffer::dqmReadNext_ [private]

Definition at line 291 of file FUShmBuffer.h.

Referenced by nextDqmReadIndex(), and reset().

unsigned int evf::FUShmBuffer::dqmReadOffset_ [private]

Definition at line 293 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), nextDqmReadIndex(), postDqmIndexToRead(), and reset().

unsigned int evf::FUShmBuffer::dqmStateOffset_ [private]

Definition at line 300 of file FUShmBuffer.h.

Referenced by dqmState(), FUShmBuffer(), and setDqmState().

unsigned int evf::FUShmBuffer::dqmWriteIndex_ [private]

Definition at line 318 of file FUShmBuffer.h.

unsigned int evf::FUShmBuffer::dqmWriteLast_ [private]

Definition at line 289 of file FUShmBuffer.h.

Referenced by postDqmIndexToWrite(), and reset().

unsigned int evf::FUShmBuffer::dqmWriteNext_ [private]

Definition at line 288 of file FUShmBuffer.h.

Referenced by nextDqmWriteIndex(), and reset().

unsigned int evf::FUShmBuffer::dqmWriteOffset_ [private]

Definition at line 290 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), nextDqmWriteIndex(), postDqmIndexToWrite(), and reset().

unsigned int evf::FUShmBuffer::evtDiscardOffset_ [private]

Definition at line 296 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), incEvtDiscard(), rawCellReadyForDiscard(), and setEvtDiscard().

unsigned int evf::FUShmBuffer::evtNumberOffset_ [private]

Definition at line 297 of file FUShmBuffer.h.

Referenced by evtNumber(), FUShmBuffer(), indexForEvtNumber(), and setEvtNumber().

unsigned int evf::FUShmBuffer::evtPrcIdOffset_ [private]

Definition at line 298 of file FUShmBuffer.h.

Referenced by evtPrcId(), FUShmBuffer(), and setEvtPrcId().

unsigned int evf::FUShmBuffer::evtStateOffset_ [private]

Definition at line 295 of file FUShmBuffer.h.

Referenced by evtState(), FUShmBuffer(), and setEvtState().

unsigned int evf::FUShmBuffer::evtTimeStampOffset_ [private]

Definition at line 299 of file FUShmBuffer.h.

Referenced by evtTimeStamp(), FUShmBuffer(), and setEvtTimeStamp().

unsigned int evf::FUShmBuffer::nClients_ [private]

Definition at line 302 of file FUShmBuffer.h.

Referenced by nClients(), removeClientPrcId(), reset(), and setClientPrcId().

unsigned int evf::FUShmBuffer::nClientsMax_ [private]

Definition at line 303 of file FUShmBuffer.h.

Referenced by clientPrcId(), FUShmBuffer(), and setClientPrcId().

unsigned int evf::FUShmBuffer::nDqmCells_ [private]

Definition at line 320 of file FUShmBuffer.h.

Referenced by dqmCell(), dqmCellShmKey(), dqmState(), FUShmBuffer(), initialize(), nDqmCells(), nextDqmReadIndex(), nextDqmWriteIndex(), postDqmIndexToRead(), postDqmIndexToWrite(), reset(), and setDqmState().

unsigned int evf::FUShmBuffer::nRawCells_ [private]

Definition at line 306 of file FUShmBuffer.h.

Referenced by discardRecoCell(), evtNumber(), evtPrcId(), evtState(), evtTimeStamp(), finishReadingRecoCell(), FUShmBuffer(), incEvtDiscard(), indexForEvtNumber(), initialize(), nextRawReadIndex(), nextRawWriteIndex(), nRawCells(), postRawIndexToRead(), postRawIndexToWrite(), rawCell(), rawCellReadyForDiscard(), rawCellShmKey(), recoCellToRead(), reset(), setEvtDiscard(), setEvtNumber(), setEvtPrcId(), setEvtState(), and setEvtTimeStamp().

unsigned int evf::FUShmBuffer::nRecoCells_ [private]

Definition at line 313 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), initialize(), nextRecoReadIndex(), nextRecoWriteIndex(), nRecoCells(), postRecoIndexToRead(), postRecoIndexToWrite(), recoCell(), recoCellShmKey(), and reset().

unsigned int evf::FUShmBuffer::rawCellOffset_ [private]

Definition at line 309 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), initialize(), rawCell(), and rawCellShmKey().

unsigned int evf::FUShmBuffer::rawCellPayloadSize_ [private]

Definition at line 307 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), initialize(), and rawCell().

unsigned int evf::FUShmBuffer::rawCellTotalSize_ [private]

Definition at line 308 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), initialize(), and rawCell().

unsigned int evf::FUShmBuffer::rawDiscardIndex_ [private]

Definition at line 279 of file FUShmBuffer.h.

Referenced by rawCellToDiscard(), scheduleRawCellForDiscard(), scheduleRawCellForDiscardServerSide(), scheduleRawEmptyCellForDiscard(), and scheduleRawEmptyCellForDiscardServerSide().

unsigned int evf::FUShmBuffer::rawReadLast_ [private]

Definition at line 277 of file FUShmBuffer.h.

Referenced by postRawIndexToRead(), and reset().

unsigned int evf::FUShmBuffer::rawReadNext_ [private]

Definition at line 276 of file FUShmBuffer.h.

Referenced by nextRawReadIndex(), and reset().

unsigned int evf::FUShmBuffer::rawReadOffset_ [private]

Definition at line 278 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), nextRawReadIndex(), postRawIndexToRead(), and reset().

unsigned int evf::FUShmBuffer::rawWriteLast_ [private]

Definition at line 274 of file FUShmBuffer.h.

Referenced by postRawIndexToWrite(), and reset().

unsigned int evf::FUShmBuffer::rawWriteNext_ [private]

Definition at line 273 of file FUShmBuffer.h.

Referenced by nextRawWriteIndex(), and reset().

unsigned int evf::FUShmBuffer::rawWriteOffset_ [private]

Definition at line 275 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), nextRawWriteIndex(), postRawIndexToWrite(), and reset().

unsigned int evf::FUShmBuffer::recoCellOffset_ [private]

Definition at line 316 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), initialize(), recoCell(), and recoCellShmKey().

unsigned int evf::FUShmBuffer::recoCellPayloadSize_ [private]

Definition at line 314 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), initialize(), recoCell(), writeRecoEventData(), and writeRecoInitMsg().

unsigned int evf::FUShmBuffer::recoCellTotalSize_ [private]

Definition at line 315 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), initialize(), and recoCell().

unsigned int evf::FUShmBuffer::recoReadIndex_ [private]

Definition at line 312 of file FUShmBuffer.h.

unsigned int evf::FUShmBuffer::recoReadLast_ [private]

Definition at line 285 of file FUShmBuffer.h.

Referenced by postRecoIndexToRead(), and reset().

unsigned int evf::FUShmBuffer::recoReadNext_ [private]

Definition at line 284 of file FUShmBuffer.h.

Referenced by nextRecoReadIndex(), and reset().

unsigned int evf::FUShmBuffer::recoReadOffset_ [private]

Definition at line 286 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), nextRecoReadIndex(), postRecoIndexToRead(), and reset().

unsigned int evf::FUShmBuffer::recoWriteIndex_ [private]

Definition at line 311 of file FUShmBuffer.h.

unsigned int evf::FUShmBuffer::recoWriteLast_ [private]

Definition at line 282 of file FUShmBuffer.h.

Referenced by postRecoIndexToWrite(), and reset().

unsigned int evf::FUShmBuffer::recoWriteNext_ [private]

Definition at line 281 of file FUShmBuffer.h.

Referenced by nextRecoWriteIndex(), and reset().

unsigned int evf::FUShmBuffer::recoWriteOffset_ [private]

Definition at line 283 of file FUShmBuffer.h.

Referenced by FUShmBuffer(), nextRecoWriteIndex(), postRecoIndexToWrite(), and reset().

bool evf::FUShmBuffer::segmentationMode_ [private]

Definition at line 269 of file FUShmBuffer.h.

Referenced by discardDqmCell(), discardOrphanedRecoCell(), discardRecoCell(), dqmCell(), finishReadingDqmCell(), finishReadingRawCell(), finishReadingRecoCell(), finishWritingRawCell(), FUShmBuffer(), initialize(), rawCell(), recoCell(), releaseRawCell(), scheduleRawEmptyCellForDiscard(), scheduleRawEmptyCellForDiscardServerSide(), shmKey(), writeDqmEmptyEvent(), writeDqmEventData(), writeErrorEventData(), writeRawEmptyEvent(), writeRawLumiSectionEvent(), writeRecoEmptyEvent(), writeRecoEventData(), and writeRecoInitMsg().

int evf::FUShmBuffer::semid_ [private]

Definition at line 271 of file FUShmBuffer.h.

Referenced by initialize(), and semid().

const char * FUShmBuffer::semKeyPath_ [static, private]

Initial value:

  (getenv("FUSEM_KEYFILE") == NULL ? "/dev/null" : getenv("FUSEM_KEYFILE"))

Definition at line 326 of file FUShmBuffer.h.

Referenced by getSemKey().

int evf::FUShmBuffer::shmid_ [private]

Definition at line 270 of file FUShmBuffer.h.

Referenced by initialize(), and shmid().

const char * FUShmBuffer::shmKeyPath_ [static, private]

Initial value:

  (getenv("FUSHM_KEYFILE") == NULL ? "/dev/null" : getenv("FUSHM_KEYFILE"))

Definition at line 325 of file FUShmBuffer.h.

Referenced by getShmDescriptorKey(), getShmKey(), and initialize().