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EventMsgView Class Reference

#include <IOPool/Streamer/interface/EventMessage.h>

List of all members.

Public Member Functions
uint32	code () const
uint32	event () const
const uint8 *	eventData () const
uint32	eventLength () const
	EventMsgView (void *buf)
uint32	headerSize () const
uint32	hltCount () const
void	hltTriggerBits (uint8 *put_here) 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
uint8 *	buf_
uint32	event_len_
uint8 *	event_start_
HeaderView	head_
uint32	hlt_bits_count_
uint8 *	hlt_bits_start_
uint32	l1_bits_count_
uint8 *	l1_bits_start_
bool	v2Detected_

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Detailed Description

Definition at line 51 of file EventMessage.h.

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Constructor & Destructor Documentation

EventMsgView::EventMsgView

(

void *

buf

)

Definition at line 5 of file EventMessage.cc.

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

                                   :
  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() != 7) {
    throw cms::Exception("EventMsgView", "Invalid Message Version:")
      << "Only message version 7 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_;
  //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;
  event_start_ = hlt_bits_start_ + hlt_sz; 
  event_len_ = convert32(event_start_); 
  event_start_ += sizeof(char_uint32); 
}

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Member Function Documentation

uint32 EventMsgView::code

(

void

)

const [inline]

Definition at line 57 of file EventMessage.h.

References HeaderView::code(), and head_.

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

{ return head_.code(); }

uint32 EventMsgView::event

(

)

const

Definition at line 72 of file EventMessage.cc.

References buf_, convert32(), EventHeader::event_, and h.

Referenced by edm::StreamerInputSource::deserializeEvent(), dumpEventHeader(), stor::SMProxyServer::eventdataWebPage(), stor::StorageManager::eventdataWebPage(), stor::EvtMsgRingBuffer::pop_front(), stor::EventServer::processEvent(), and edmtestp::TestFileReader::readEvents().

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

const uint8* EventMsgView::eventData

(

)

const [inline]

Definition at line 60 of file EventMessage.h.

References event_start_.

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

{ return event_start_; }

uint32 EventMsgView::eventLength

(

)

const [inline]

Definition at line 62 of file EventMessage.h.

References event_len_.

Referenced by edm::StreamerInputSource::deserializeEvent(), dumpEventHeader(), stor::EvtMsgRingBuffer::pop_front(), and stor::EvtMsgRingBuffer::push_back().

{ return event_len_; }

uint32 EventMsgView::headerSize

(

)

const [inline]

Definition at line 63 of file EventMessage.h.

References buf_, and event_start_.

Referenced by stor::EvtMsgRingBuffer::push_back(), StreamerOutputFile::write(), StreamerOutputIndexFile::write(), and StreamerOutputFile::writeEventHeader().

{return event_start_-buf_;}

uint32 EventMsgView::hltCount

(

)

const [inline]

Definition at line 74 of file EventMessage.h.

References hlt_bits_count_.

Referenced by edm::EventStreamService::acceptEvent(), dumpEventHeader(), and stor::ConsumerPipe::wantsEvent().

{return hlt_bits_count_;}

void EventMsgView::hltTriggerBits

(

uint8 *

put_here

)

const

Definition at line 105 of file EventMessage.cc.

References edmNew::copy(), hlt_bits_count_, hlt_bits_start_, and v2Detected_.

Referenced by edm::EventStreamService::acceptEvent(), edm::StreamerFileWriter::doOutputEvent(), dumpEventHeader(), and stor::ConsumerPipe::wantsEvent().

{
  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);
}

uint32 EventMsgView::l1Count

(

)

const [inline]

Definition at line 75 of file EventMessage.h.

References l1_bits_count_.

{return l1_bits_count_;}

void EventMsgView::l1TriggerBits

(

std::vector< bool > &

put_here

)

const

Definition at line 96 of file EventMessage.cc.

References i, l1_bits_count_, and l1_bits_start_.

Referenced by dumpEventHeader().

{
  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))));
}

uint32 EventMsgView::lumi

(

)

const

Definition at line 78 of file EventMessage.cc.

References buf_, convert32(), h, and EventHeader::lumi_.

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

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

uint32 EventMsgView::origDataSize

(

)

const

Definition at line 84 of file EventMessage.cc.

References buf_, convert32(), h, and EventHeader::origDataSize_.

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

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

uint32 EventMsgView::outModId

(

)

const

Definition at line 90 of file EventMessage.cc.

References buf_, convert32(), h, and EventHeader::outModId_.

Referenced by dumpEventHeader(), edm::ServiceManager::manageEventMsg(), stor::EventServer::processEvent(), edmtestp::TestFileReader::readEvents(), and stor::ConsumerPipe::wantsEvent().

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

uint32 EventMsgView::protocolVersion

(

)

const

Definition at line 60 of file EventMessage.cc.

References buf_, h, and EventHeader::protocolVersion_.

Referenced by dumpEventHeader(), and EventMsgView().

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

uint32 EventMsgView::run

(

void

)

const

Definition at line 66 of file EventMessage.cc.

References buf_, convert32(), h, and EventHeader::run_.

Referenced by edm::StreamerInputSource::deserializeEvent(), dumpEventHeader(), edm::EventStreamService::nextEvent(), and edmtestp::TestFileReader::readEvents().

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

uint32 EventMsgView::size

(

void

)

const [inline]

Definition at line 58 of file EventMessage.h.

References head_, and HeaderView::size().

Referenced by edm::StreamerInputSource::deserializeEvent(), dumpEventHeader(), stor::SMProxyServer::eventdataWebPage(), stor::StorageManager::eventdataWebPage(), edm::ServiceManager::manageEventMsg(), stor::EventServer::processEvent(), stor::ConsumerPipe::pushEvent(), edmtestp::TestFileReader::readEvents(), stor::ConsumerPipe::wantsEvent(), StreamerOutputFile::write(), and edm::EventOutputService::writeEvent().

{ return head_.size(); }

uint8* EventMsgView::startAddress

(

)

const [inline]

Definition at line 61 of file EventMessage.h.

References buf_.

Referenced by stor::SMProxyServer::eventdataWebPage(), stor::StorageManager::eventdataWebPage(), edm::ServiceManager::manageEventMsg(), stor::EventServer::processEvent(), stor::ConsumerPipe::pushEvent(), edmtestp::TestFileReader::readEvents(), StreamerOutputIndexFile::write(), and StreamerOutputFile::writeEventHeader().

{ return buf_; }

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Member Data Documentation

uint8* EventMsgView::buf_ [private]

Definition at line 78 of file EventMessage.h.

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

uint32 EventMsgView::event_len_ [private]

Definition at line 86 of file EventMessage.h.

Referenced by eventLength(), and EventMsgView().

uint8* EventMsgView::event_start_ [private]

Definition at line 85 of file EventMessage.h.

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

HeaderView EventMsgView::head_ [private]

Definition at line 79 of file EventMessage.h.

Referenced by code(), and size().

uint32 EventMsgView::hlt_bits_count_ [private]

Definition at line 82 of file EventMessage.h.

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

uint8* EventMsgView::hlt_bits_start_ [private]

Definition at line 81 of file EventMessage.h.

Referenced by EventMsgView(), and hltTriggerBits().

uint32 EventMsgView::l1_bits_count_ [private]

Definition at line 84 of file EventMessage.h.

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

uint8* EventMsgView::l1_bits_start_ [private]

Definition at line 83 of file EventMessage.h.

Referenced by EventMsgView(), and l1TriggerBits().

bool EventMsgView::v2Detected_ [private]

Definition at line 87 of file EventMessage.h.

Referenced by EventMsgView(), and hltTriggerBits().

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The documentation for this class was generated from the following files:

• IOPool/Streamer/interface/EventMessage.h
• IOPool/Streamer/src/EventMessage.cc

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