EventMsgView Class Reference

#include <EventMessage.h>

Public Member Functions
uint32	adler32_chksum () const
uint32	code () const
uint32	droppedEventsCount () const
uint64	event () const
const uint8 *	eventData () const
uint32	eventLength () const
	EventMsgView (void *buf)
uint32	headerSize () const
uint32	hltCount () const
void	hltTriggerBits (uint8 *put_here) const
std::string	hostName () const
uint32	hostName_len () const
uint32	l1Count () const
void	l1TriggerBits (std::vector< bool > &put_here) const
uint32	lumi () const
uint32	origDataSize () const
uint32	outModId () const
uint32	protocolVersion () const
uint32	run () const
uint32	size () const
uint8 *	startAddress () const

Private Attributes
uint32	adler32_chksum_
uint8 *	buf_
uint32	event_len_
uint8 *	event_start_
HeaderView	head_
uint32	hlt_bits_count_
uint8 *	hlt_bits_start_
uint32	host_name_len_
uint8 *	host_name_start_
uint32	l1_bits_count_
uint8 *	l1_bits_start_
bool	v2Detected_

Detailed Description

Definition at line 72 of file EventMessage.h.

Constructor & Destructor Documentation

EventMsgView()

EventMsgView::EventMsgView

(

void *

buf

)

Definition at line 4 of file EventMessage.cc.

                                    : buf_((uint8*)buf), head_(buf), v2Detected_(false) {
  // 29-Jan-2008, KAB - adding an explicit version number.
  // We'll start with 5 to match the new version of the INIT message.
  // We support earlier versions of the full protocol, of course, but since
  // we didn't have an explicit version number in the Event Message before
  // now, we have to limit what we can handle to versions that have the
  // version number included (>= 5).
 
  // 18-Jul-2008, wmtan - payload changed for version 7.
  // So we no longer support previous formats.
  if (protocolVersion() != 11) {
    throw cms::Exception("EventMsgView", "Invalid Message Version:")
        << "Only message version 10 is currently supported \n"
        << "(invalid value = " << protocolVersion() << ").\n"
        << "We support only reading and converting streamer files\n"
        << "using the same version of CMSSW used to created the\n"
        << "streamer file. This is because the streamer format is\n"
        << "only a temporary format, as such we do not support\n"
        << "backwards compatibility. If you really need a streamer\n"
        << "file for some reason, the work around is that you convert\n"
        << "the streamer file to a Root file using the CMSSW version\n"
        << "that created the streamer file, then convert the Root file\n"
        << "to a streamer file using a newer release that will produce\n"
        << "the version of streamer file that you desire.\n";
  }
 
  uint8* l1_bit_size_ptr = buf_ + sizeof(EventHeader);  //Just after Header
  l1_bits_count_ = convert32(l1_bit_size_ptr);
  uint32 l1_sz = l1_bits_count_;
  // No point! Not supporting older versions and causes problems in unit
  // tests that uses l1_bits_count_ == 11, and could cause problems later if using 11
  //Lets detect if thats V2 message
  //if (l1_bits_count_ == 11) {
  //        l1_sz = 1;
  //        v2Detected_=true;
  //}
 
  l1_bits_start_ = buf_ + sizeof(EventHeader) + sizeof(uint32);
 
  if (v2Detected_ == false) {
    if (l1_sz != 0)
      l1_sz = 1 + ((l1_sz - 1) / 8);
  }
  uint8* hlt_bit_size_ptr = l1_bits_start_ + l1_sz;
  hlt_bits_count_ = convert32(hlt_bit_size_ptr);
  hlt_bits_start_ = hlt_bit_size_ptr + sizeof(uint32);
  uint32 hlt_sz = hlt_bits_count_;
  if (hlt_sz != 0)
    hlt_sz = 1 + ((hlt_sz - 1) / 4);
 
  if (v2Detected_)
    hlt_sz = 2;
  uint8* adler32_start = hlt_bits_start_ + hlt_sz;
  adler32_chksum_ = convert32(adler32_start);
  host_name_start_ = adler32_start + sizeof(uint32);
  host_name_len_ = *host_name_start_;
  host_name_start_ += sizeof(uint8);
  event_start_ = host_name_start_ + host_name_len_;
  event_len_ = convert32(event_start_);
  event_start_ += sizeof(char_uint32);
}

References adler32_chksum_, buf_, convert32(), event_len_, event_start_, Exception, hlt_bits_count_, hlt_bits_start_, host_name_len_, host_name_start_, l1_bits_count_, l1_bits_start_, protocolVersion(), and v2Detected_.

Member Function Documentation

adler32_chksum()

uint32 EventMsgView::adler32_chksum ( ) const

inline

Definition at line 96 of file EventMessage.h.

{ return adler32_chksum_; }

References adler32_chksum_.

Referenced by edm::StreamerInputSource::deserializeEvent(), and dumpEventHeader().

code()

uint32 EventMsgView::code ( ) const

inline

Definition at line 76 of file EventMessage.h.

{ return head_.code(); }

References HeaderView::code(), and head_.

Referenced by edm::StreamerInputSource::deserializeEvent(), and dumpEventHeader().

droppedEventsCount()

uint32 EventMsgView::droppedEventsCount

(

)

const

Definition at line 96 of file EventMessage.cc.

                                              {
  EventHeader* h = (EventHeader*)buf_;
  return convert32(h->droppedEventsCount_);
  return 0;
}

References buf_, and convert32().

Referenced by dumpEventHeader().

event()

uint64 EventMsgView::event

(

)

const

Definition at line 76 of file EventMessage.cc.

                                 {
  EventHeader* h = (EventHeader*)buf_;
  return convert64(h->event_);
}

References buf_, and convert64().

Referenced by edm::StreamerInputSource::deserializeEvent(), dumpEventHeader(), and edm::StreamerFileReader::skip().

eventData()

const uint8* EventMsgView::eventData ( ) const

inline

Definition at line 79 of file EventMessage.h.

{ return event_start_; }

References event_start_.

Referenced by edm::StreamerInputSource::deserializeEvent(), and StreamerOutputFile::write().

eventLength()

uint32 EventMsgView::eventLength ( ) const

inline

Definition at line 81 of file EventMessage.h.

{ return event_len_; }

References event_len_.

Referenced by edm::StreamerInputSource::deserializeEvent(), and dumpEventHeader().

headerSize()

uint32 EventMsgView::headerSize ( ) const

inline

Definition at line 82 of file EventMessage.h.

{ return event_start_ - buf_; }

References buf_, and event_start_.

Referenced by StreamerOutputFile::write(), and StreamerOutputFile::writeEventHeader().

hltCount()

uint32 EventMsgView::hltCount ( ) const

inline

Definition at line 94 of file EventMessage.h.

{ return hlt_bits_count_; }

References hlt_bits_count_.

Referenced by dqmservices::DQMStreamerReader::acceptEvent(), and dumpEventHeader().

hltTriggerBits()

void EventMsgView::hltTriggerBits

(

uint8 *

put_here

)

const

Definition at line 110 of file EventMessage.cc.

                                                       {
  uint32 hlt_sz = hlt_bits_count_;
  if (hlt_sz != 0)
    hlt_sz = 1 + ((hlt_sz - 1) / 4);
 
  if (v2Detected_)
    hlt_sz = 2;
 
  std::copy(hlt_bits_start_, hlt_bits_start_ + hlt_sz, put_here);
}

References filterCSVwithJSON::copy, hlt_bits_count_, hlt_bits_start_, and v2Detected_.

Referenced by dqmservices::DQMStreamerReader::acceptEvent(), and dumpEventHeader().

hostName()

std::string EventMsgView::hostName

(

)

const

Definition at line 121 of file EventMessage.cc.

                                       {
  //return std::string(reinterpret_cast<char *>(host_name_start_),host_name_len_);
  std::string host_name(reinterpret_cast<char*>(host_name_start_), host_name_len_);
  size_t found = host_name.find('\0');
  if (found != std::string::npos) {
    return std::string(host_name, 0, found);
  } else {
    return host_name;
  }
}

References newFWLiteAna::found, host_name_len_, host_name_start_, and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by edm::StreamerInputSource::deserializeEvent(), and dumpEventHeader().

hostName_len()

uint32 EventMsgView::hostName_len ( ) const

inline

Definition at line 98 of file EventMessage.h.

{ return host_name_len_; }

References host_name_len_.

l1Count()

uint32 EventMsgView::l1Count ( ) const

inline

Definition at line 95 of file EventMessage.h.

{ return l1_bits_count_; }

References l1_bits_count_.

l1TriggerBits()

void EventMsgView::l1TriggerBits

(

std::vector< bool > &

put_here

)

const

Definition at line 102 of file EventMessage.cc.

                                                                {
  put_here.clear();
  put_here.resize(l1_bits_count_);
 
  for (std::vector<bool>::size_type i = 0; i < l1_bits_count_; ++i)
    put_here[i] = (bool)(l1_bits_start_[i / 8] & (1 << ((i & 0x07))));
}

References mps_fire::i, l1_bits_count_, and l1_bits_start_.

Referenced by dumpEventHeader().

lumi()

uint32 EventMsgView::lumi

(

)

const

Definition at line 81 of file EventMessage.cc.

                                {
  EventHeader* h = (EventHeader*)buf_;
  return convert32(h->lumi_);
}

References buf_, and convert32().

Referenced by edm::StreamerInputSource::deserializeEvent(), dumpEventHeader(), and edm::StreamerFileReader::skip().

origDataSize()

uint32 EventMsgView::origDataSize

(

)

const

Definition at line 86 of file EventMessage.cc.

                                        {
  EventHeader* h = (EventHeader*)buf_;
  return convert32(h->origDataSize_);
}

References buf_, and convert32().

Referenced by edm::StreamerInputSource::deserializeEvent(), and dumpEventHeader().

outModId()

uint32 EventMsgView::outModId

(

)

const

Definition at line 91 of file EventMessage.cc.

                                    {
  EventHeader* h = (EventHeader*)buf_;
  return convert32(h->outModId_);
}

References buf_, and convert32().

Referenced by dumpEventHeader().

protocolVersion()

uint32 EventMsgView::protocolVersion

(

)

const

Definition at line 66 of file EventMessage.cc.

                                           {
  EventHeader* h = (EventHeader*)buf_;
  return h->protocolVersion_;
}

References buf_.

Referenced by dumpEventHeader(), and EventMsgView().

run()

uint32 EventMsgView::run

(

)

const

Definition at line 71 of file EventMessage.cc.

                               {
  EventHeader* h = (EventHeader*)buf_;
  return convert32(h->run_);
}

References buf_, and convert32().

Referenced by edm::StreamerInputSource::deserializeEvent(), dumpEventHeader(), and edm::StreamerFileReader::skip().

size()

uint32 EventMsgView::size ( void  ) const

inline

Definition at line 77 of file EventMessage.h.

{ return head_.size(); }

References head_, and HeaderView::size().

Referenced by ntupleDataFormat._Collection::__iter__(), ntupleDataFormat._Collection::__len__(), edm::StreamerInputSource::deserializeEvent(), dumpEventHeader(), and StreamerOutputFile::write().

startAddress()

uint8* EventMsgView::startAddress ( ) const

inline

Definition at line 80 of file EventMessage.h.

{ return buf_; }

References buf_.

Referenced by StreamerOutputFile::writeEventHeader().

Member Data Documentation

adler32_chksum_

uint32 EventMsgView::adler32_chksum_

private

Definition at line 110 of file EventMessage.h.

Referenced by adler32_chksum(), and EventMsgView().

buf_

uint8* EventMsgView::buf_

private

Definition at line 101 of file EventMessage.h.

Referenced by droppedEventsCount(), event(), EventMsgView(), headerSize(), lumi(), origDataSize(), outModId(), protocolVersion(), run(), and startAddress().

event_len_

uint32 EventMsgView::event_len_

private

Definition at line 109 of file EventMessage.h.

Referenced by eventLength(), and EventMsgView().

event_start_

uint8* EventMsgView::event_start_

private

Definition at line 108 of file EventMessage.h.

Referenced by eventData(), EventMsgView(), and headerSize().

head_

HeaderView EventMsgView::head_

private

Definition at line 102 of file EventMessage.h.

Referenced by code(), and size().

hlt_bits_count_

uint32 EventMsgView::hlt_bits_count_

private

Definition at line 105 of file EventMessage.h.

Referenced by EventMsgView(), hltCount(), and hltTriggerBits().

hlt_bits_start_

uint8* EventMsgView::hlt_bits_start_

private

Definition at line 104 of file EventMessage.h.

Referenced by EventMsgView(), and hltTriggerBits().

host_name_len_

uint32 EventMsgView::host_name_len_

private

Definition at line 112 of file EventMessage.h.

Referenced by EventMsgView(), hostName(), and hostName_len().

host_name_start_

uint8* EventMsgView::host_name_start_

private

Definition at line 111 of file EventMessage.h.

Referenced by EventMsgView(), and hostName().

l1_bits_count_

uint32 EventMsgView::l1_bits_count_

private

Definition at line 107 of file EventMessage.h.

Referenced by EventMsgView(), l1Count(), and l1TriggerBits().

l1_bits_start_

uint8* EventMsgView::l1_bits_start_

private

Definition at line 106 of file EventMessage.h.

Referenced by EventMsgView(), and l1TriggerBits().

v2Detected_

bool EventMsgView::v2Detected_

private

Definition at line 113 of file EventMessage.h.

Referenced by EventMsgView(), and hltTriggerBits().