EventMsgView Class Reference

#include <EventMessage.h>

Public Member Functions
uint32	adler32_chksum () const
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
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 59 of file EventMessage.h.

Constructor & Destructor Documentation

EventMsgView::EventMsgView

(

void *

buf

)

Definition at line 5 of file EventMessage.cc.

References adler32_chksum_, buf_, convert32(), event_len_, event_start_, edm::hlt::Exception, hlt_bits_count_, hlt_bits_start_, host_name_len_, host_name_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() != 8) {
    throw cms::Exception("EventMsgView", "Invalid Message Version:")
      << "Only message version 8 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); 
}

Member Function Documentation

uint32 EventMsgView::adler32_chksum ( ) const

inline

Definition at line 84 of file EventMessage.h.

References adler32_chksum_.

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

{return adler32_chksum_;}

uint32 EventMsgView::code ( ) const

inline

Definition at line 65 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 79 of file EventMessage.cc.

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

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

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

const uint8* EventMsgView::eventData ( ) const

inline

Definition at line 68 of file EventMessage.h.

References event_start_.

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

{ return event_start_; }

uint32 EventMsgView::eventLength ( ) const

inline

Definition at line 70 of file EventMessage.h.

References event_len_.

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

{ return event_len_; }

uint32 EventMsgView::headerSize ( ) const

inline

Definition at line 71 of file EventMessage.h.

References buf_, and event_start_.

Referenced by stor::detail::EventMsgData::cacheHeaderFields(), StreamerOutputFile::write(), and StreamerOutputFile::writeEventHeader().

{return event_start_-buf_;}

uint32 EventMsgView::hltCount ( ) const

inline

Definition at line 82 of file EventMessage.h.

References hlt_bits_count_.

Referenced by dumpEventHeader().

{return hlt_bits_count_;}

void EventMsgView::hltTriggerBits

(

uint8 *

put_here

)

const

Definition at line 112 of file EventMessage.cc.

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

Referenced by edm::StreamerFileWriter::doOutputEvent(), and dumpEventHeader().

{
  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);
}

std::string EventMsgView::hostName

(

)

const

Definition at line 123 of file EventMessage.cc.

References newFWLiteAna::found, host_name_len_, and host_name_start_.

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

{
   //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;
   }
}

uint32 EventMsgView::hostName_len ( ) const

inline

Definition at line 86 of file EventMessage.h.

References host_name_len_.

{return host_name_len_;}

uint32 EventMsgView::l1Count ( ) const

inline

Definition at line 83 of file EventMessage.h.

References l1_bits_count_.

{return l1_bits_count_;}

void EventMsgView::l1TriggerBits

(

std::vector< bool > &

put_here

)

const

Definition at line 103 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 85 of file EventMessage.cc.

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

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

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

uint32 EventMsgView::origDataSize

(

)

const

Definition at line 91 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 97 of file EventMessage.cc.

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

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

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

uint32 EventMsgView::protocolVersion

(

)

const

Definition at line 67 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 73 of file EventMessage.cc.

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

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

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

uint32 EventMsgView::size ( void  ) const

inline

Definition at line 66 of file EventMessage.h.

References head_, and HeaderView::size().

Referenced by edm::StreamerInputSource::deserializeEvent(), dumpEventHeader(), smproxy::EventMsg::EventMsg(), edmtestp::TestFileReader::readEvents(), and StreamerOutputFile::write().

{ return head_.size(); }

uint8* EventMsgView::startAddress ( ) const

inline

Definition at line 69 of file EventMessage.h.

References buf_.

Referenced by smproxy::EventMsg::EventMsg(), edmtestp::TestFileReader::readEvents(), and StreamerOutputFile::writeEventHeader().

{ return buf_; }

Member Data Documentation

uint32 EventMsgView::adler32_chksum_

private

Definition at line 98 of file EventMessage.h.

Referenced by adler32_chksum(), and EventMsgView().

uint8* EventMsgView::buf_

private

Definition at line 89 of file EventMessage.h.

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

uint32 EventMsgView::event_len_

private

Definition at line 97 of file EventMessage.h.

Referenced by eventLength(), and EventMsgView().

uint8* EventMsgView::event_start_

private

Definition at line 96 of file EventMessage.h.

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

HeaderView EventMsgView::head_

private

Definition at line 90 of file EventMessage.h.

Referenced by code(), and size().

uint32 EventMsgView::hlt_bits_count_

private

Definition at line 93 of file EventMessage.h.

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

uint8* EventMsgView::hlt_bits_start_

private

Definition at line 92 of file EventMessage.h.

Referenced by EventMsgView(), and hltTriggerBits().

uint32 EventMsgView::host_name_len_

private

Definition at line 100 of file EventMessage.h.

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

uint8* EventMsgView::host_name_start_

private

Definition at line 99 of file EventMessage.h.

Referenced by EventMsgView(), and hostName().

uint32 EventMsgView::l1_bits_count_

private

Definition at line 95 of file EventMessage.h.

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

uint8* EventMsgView::l1_bits_start_

private

Definition at line 94 of file EventMessage.h.

Referenced by EventMsgView(), and l1TriggerBits().

bool EventMsgView::v2Detected_

private

Definition at line 101 of file EventMessage.h.

Referenced by EventMsgView(), and hltTriggerBits().