G4MPIbatch Class Reference

#include <Doxymodules_parallel.h>

Inheritance diagram for G4MPIbatch:

Public Member Functions
	G4MPIbatch (const G4String &fname="", G4bool qbatch=false)
	~G4MPIbatch ()
virtual G4UIsession *	SessionStart ()
Public Member Functions inherited from G4VMPIsession
	G4VMPIsession ()
	~G4VMPIsession ()
virtual void	PauseSessionStart (const G4String &msg)
virtual G4int	ReceiveG4cout (const G4String &coutString)
virtual G4int	ReceiveG4cerr (const G4String &cerrString)

Protected Member Functions
G4String	ReadCommand ()
Protected Member Functions inherited from G4VMPIsession
G4int	ExecCommand (const G4String &acommand)
G4String	TruncateCommand (const G4String &command) const
G4String	BypassCommand (const G4String &command) const
virtual G4bool	GetHelpChoice (G4int &aval)
virtual void	ExitHelp () const

Protected Attributes
std::ifstream	batch_stream_
G4bool	is_opened_
G4bool	is_batch_mode_
Protected Attributes inherited from G4VMPIsession
G4MPImanager *	g4mpi_
G4bool	is_master_
G4bool	is_slave_
G4int	rank_

Detailed Description

Definition at line 61 of file Doxymodules_parallel.h.

Constructor & Destructor Documentation

G4MPIbatch()

G4MPIbatch::G4MPIbatch	(	const G4String &	fname = "",
		G4bool	qbatch = false
	)

Definition at line 64 of file G4MPIbatch.cc.

  : G4VMPIsession(), is_opened_(false), is_batch_mode_(qbatch)
{
  if( is_master_ ) {
    batch_stream_.open(fname, std::ios::in);
    if(batch_stream_.fail()) {
      G4cerr << "cannot open a macro file(" << fname << ")."
             << G4endl;
    } else {
      is_opened_ = true;
    }
  }
}

~G4MPIbatch()

G4MPIbatch::~G4MPIbatch

(

)

Definition at line 79 of file G4MPIbatch.cc.

{
  if( is_opened_ ) batch_stream_.close();
}

Member Function Documentation

SessionStart()

G4UIsession * G4MPIbatch::SessionStart ( )

virtual

Definition at line 154 of file G4MPIbatch.cc.

{
  if( is_master_ && !is_opened_ ) { // macro file is not found
    g4mpi_-> BcastCommand("exit");
    return NULL;
  }
 
  G4String newCommand = "", scommand; // newCommand is always "" in slaves
 
  while(1) {
    if( is_master_ ) newCommand = ReadCommand();
    // broadcast a new G4 command
    scommand = g4mpi_-> BcastCommand(newCommand);
    if( scommand == "exit" ) {
      g4mpi_-> WaitBeamOn();
      return 0;
    }
 
    // just echo something
    if( scommand[0] == '#' ) {
      if( G4UImanager::GetUIpointer()-> GetVerboseLevel() == 2 ) {
        G4cout << scommand << G4endl;
      }
      continue;
    }
 
    G4int rc = ExecCommand(scommand);
    if ( rc != fCommandSucceeded ) {
      G4cerr << G4endl << "***** Batch is interupted!! *****" << G4endl;
      break;
    }
  }
 
  return NULL;
}

ReadCommand()

G4String G4MPIbatch::ReadCommand ( )

protected

Definition at line 85 of file G4MPIbatch.cc.

{
  enum { BUFSIZE = 4096 };
  static char linebuf[BUFSIZE];
 
  G4String cmdtotal = "";
  G4bool qcontinued = false;
  while( batch_stream_.good() ) {
    batch_stream_.getline(linebuf, BUFSIZE);
 
    G4String cmdline(linebuf);
 
    // TAB-> ' ' conversion
    G4String::size_type nb = 0;
    while ((nb= cmdline.find('\t',nb)) != G4String::npos) {
      cmdline.replace(nb, 1, " ");
    }
 
    // strip
    G4StrUtil::strip(cmdline);
 
    // skip null line if single line
    if( !qcontinued && cmdline.size() == 0 ) continue;
 
    // '#' is treated as echoing something
    if( cmdline[0] == '#' ) return cmdline;
 
    // tokenize...
    std::vector<G4String> tokens;
    Tokenize(cmdline, tokens);
    qcontinued = false;
    for( G4int i = 0; i < G4int(tokens.size()); i++ ) {
      // string after '#" is ignored
      if( tokens[i][0] == '#' ) break;
      // '\' or '_' is treated as continued line.
      if( tokens[i] == "\\" || tokens[i] == "_" ) {
        qcontinued = true;
        // check nothing after line continuation character
        if( i != G4int(tokens.size())-1 ) {
          G4Exception("G4MPIbatch::ReadCommand", "MPI004", JustWarning,
            "unexpected character after line continuation character");
        }
        break; // stop parsing
      }
      cmdtotal += tokens[i];
      cmdtotal += " ";
    }
 
    if( qcontinued ) continue; // read the next line
 
    if( cmdtotal.size() != 0 ) break;
    if( batch_stream_.eof() ) break;
  }
 
  // strip again
  G4StrUtil::strip(cmdtotal);
 
  // bypass some commands
  cmdtotal = BypassCommand(cmdtotal);
 
  // finally,
  if( batch_stream_.eof() && cmdtotal.size()==0 ) {
    return "exit";
  }
 
  return cmdtotal;
}

Member Data Documentation

batch_stream_

std::ifstream G4MPIbatch::batch_stream_

protected

Definition at line 42 of file G4MPIbatch.hh.

is_opened_

G4bool G4MPIbatch::is_opened_

protected

Definition at line 43 of file G4MPIbatch.hh.

is_batch_mode_

G4bool G4MPIbatch::is_batch_mode_

protected

Definition at line 44 of file G4MPIbatch.hh.

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

• .doxygen/Doxymodules_parallel.h
• extended/parallel/MPI/source/include/G4MPIbatch.hh
• extended/parallel/MPI/source/src/G4MPIbatch.cc