InitMsgBuilder Class Reference

#include <InitMsgBuilder.h>

Public Member Functions
uint32	bufferSize () const
uint8 *	dataAddress () const
uint32	headerSize () const
	InitMsgBuilder (void *msg_mem, uint32 size, uint32 run, const Version &v, const char *release_tag, const char *process_name, const char *output_module_label, uint32 output_module_id, const Strings &hlt_names, const Strings &hlt_selections, const Strings &l1_names, uint32 adler32_chksum)
uint32	run () const
void	setDataLength (uint32 registry_length)
uint32	size () const
uint8 *	startAddress () const

Private Attributes
uint8 *	buf_
uint8 *	data_addr_
uint32	size_

Detailed Description

Definition at line 9 of file InitMsgBuilder.h.

Constructor & Destructor Documentation

InitMsgBuilder::InitMsgBuilder	(	void *	msg_mem,
		uint32	size,
		uint32	run,
		const Version &	v,
		const char *	release_tag,
		const char *	process_name,
		const char *	output_module_label,
		uint32	output_module_id,
		const Strings &	hlt_names,
		const Strings &	hlt_selections,
		const Strings &	l1_names,
		uint32	adler32_chksum
	)

Definition at line 9 of file InitMsgBuilder.cc.

References buf_, fileCollector::convert(), data_addr_, InitHeader::event_header_size_, MsgTools::fillNames(), h, EventMsgBuilder::headerSize(), InitHeader::init_header_size_, InitHeader::run_, setDataLength(), and InitHeader::version_.

    : buf_((uint8*)buf), size_(size) {
  InitHeader* h = (InitHeader*)buf_;
  // fixed length parts
  new (&h->version_) Version(v);
  convert(run, h->run_);
  // variable length parts
  uint32 tag_len = strlen(release_tag);
  assert(tag_len < 0x00ff);
  uint8* pos = buf_ + sizeof(InitHeader);

  *pos++ = tag_len;                   // length of release tag
  memcpy(pos, release_tag, tag_len);  // copy release tag in
  pos += tag_len;

  //Lets put Process Name (Length and then Name) right after release_tag
  uint32 process_name_len = strlen(process_name);
  assert(process_name_len < 0x00ff);
  //Put process_name_len
  *pos++ = process_name_len;
  //Put process_name
  memcpy(pos, process_name, process_name_len);
  pos += process_name_len;

  // output module label next
  uint32 outmod_label_len = strlen(output_module_label);
  assert(outmod_label_len < 0x00ff);
  *pos++ = outmod_label_len;
  memcpy(pos, output_module_label, outmod_label_len);
  pos += outmod_label_len;

  // output module ID next
  convert(output_module_id, pos);
  pos += sizeof(char_uint32);

  pos = MsgTools::fillNames(hlt_names, pos);
  pos = MsgTools::fillNames(hlt_selections, pos);
  pos = MsgTools::fillNames(l1_names, pos);

  // adler32 check sum of data blob
  convert(adler_chksum, pos);
  pos = pos + sizeof(uint32);

  data_addr_ = pos + sizeof(char_uint32);
  setDataLength(0);

  // Two news fileds added to InitMsg in Proto V3 init_header_size, and event_header_size.
  //Set the size of Init Header Start of buf to Start of desc.
  convert((uint32)(data_addr_ - buf_), h->init_header_size_);

  // 18-Apr-2008, KAB:  create a dummy event message so that we can
  // determine the expected event header size.  (Previously, the event
  // header size was hard-coded.)
  std::vector<bool> dummyL1Bits(l1_names.size());
  std::vector<char> dummyHLTBits(hlt_names.size());
  const uint32 TEMP_BUFFER_SIZE = 256;
  char msgBuff[TEMP_BUFFER_SIZE];  // not large enough for a real event!
  uint32_t adler32 = 0;
  char host_name[255];
  int got_host = gethostname(host_name, 255);
  if (got_host != 0)
    strcpy(host_name, "noHostNameFoundOrTooLong");
  EventMsgBuilder dummyMsg(&msgBuff[0],
                           TEMP_BUFFER_SIZE,
                           0,
                           0,
                           0,
                           0,
                           0,
                           dummyL1Bits,
                           (uint8*)&dummyHLTBits[0],
                           hlt_names.size(),
                           adler32,
                           host_name);

  //Size of Event Header
  uint32 eventHeaderSize = dummyMsg.headerSize();
  convert(eventHeaderSize, h->event_header_size_);
}

Member Function Documentation

uint32 InitMsgBuilder::bufferSize ( ) const

inline

Required by EOF Record Builder

Definition at line 30 of file InitMsgBuilder.h.

References size_.

{ return size_; }

uint8* InitMsgBuilder::dataAddress ( ) const

inline

Definition at line 26 of file InitMsgBuilder.h.

References data_addr_.

{ return data_addr_; }

uint32 InitMsgBuilder::headerSize ( ) const

inline

Definition at line 27 of file InitMsgBuilder.h.

References buf_, data_addr_, run(), and size().

{ return data_addr_ - buf_; }

uint32 InitMsgBuilder::run

(

)

const

Definition at line 111 of file InitMsgBuilder.cc.

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

Referenced by headerSize().

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

void InitMsgBuilder::setDataLength

(

uint32

registry_length

)

Definition at line 100 of file InitMsgBuilder.cc.

References buf_, fileCollector::convert(), data_addr_, h, InitHeader::header_, and Header::INIT.

Referenced by InitMsgBuilder(), and startAddress().

                                             {
  convert(len, data_addr_ - sizeof(char_uint32));
  InitHeader* h = (InitHeader*)buf_;
  new (&h->header_) Header(Header::INIT, data_addr_ - buf_ + len);
}

uint32 InitMsgBuilder::size

(

void

)

const

Definition at line 106 of file InitMsgBuilder.cc.

References buf_, HeaderView::size(), and findQualityFiles::v.

Referenced by ntupleDataFormat._Collection::__iter__(), ntupleDataFormat._Collection::__len__(), and headerSize().

                                  {
  HeaderView v(buf_);
  return v.size();
}

uint8* InitMsgBuilder::startAddress ( ) const

inline

Definition at line 24 of file InitMsgBuilder.h.

References buf_, and setDataLength().

Referenced by edm::StreamerFileWriter::doOutputHeader(), evf::RecoEventWriterForFU::doOutputHeader(), and StreamerOutputFile::write().

{ return buf_; }

Member Data Documentation

uint8* InitMsgBuilder::buf_

private

Definition at line 33 of file InitMsgBuilder.h.

Referenced by headerSize(), InitMsgBuilder(), run(), setDataLength(), size(), and startAddress().

uint8* InitMsgBuilder::data_addr_

private

Definition at line 35 of file InitMsgBuilder.h.

Referenced by dataAddress(), headerSize(), InitMsgBuilder(), and setDataLength().

uint32 InitMsgBuilder::size_

private

Definition at line 34 of file InitMsgBuilder.h.

Referenced by bufferSize().