olb::OMBuf Class Reference

userdefined stream buffer for OstreamManager More...

#include <ostreamManager.h>

Inheritance diagram for olb::OMBuf:

Collaboration diagram for olb::OMBuf:

Public Member Functions
	OMBuf ()
	~OMBuf () override
	OMBuf (const OMBuf &rhs)
OMBuf &	operator= (const OMBuf &rhs)
void	swap (OMBuf &rhs)
	OMBuf (std::ostream &str, std::string classname)
void	setMultiOutput (bool b)
int	sync () override
	sync the stream with the output:

Detailed Description

userdefined stream buffer for OstreamManager

that prefixes each line with a user specified string in squared brackets

Definition at line 36 of file ostreamManager.h.

Constructor & Destructor Documentation

OMBuf() [1/3]

olb::OMBuf::OMBuf

(

)

Definition at line 34 of file ostreamManager.cpp.

  : output(nullptr), text("")
{ }

~OMBuf()

olb::OMBuf::~OMBuf ( )

override

Definition at line 38 of file ostreamManager.cpp.

{ }

OMBuf() [2/3]

olb::OMBuf::OMBuf

(

const OMBuf &

rhs

)

Definition at line 41 of file ostreamManager.cpp.

  : output(rhs.output), text(rhs.text)
{ }

OMBuf() [3/3]

olb::OMBuf::OMBuf	(	std::ostream &	str,
		std::string	classname )

Definition at line 53 of file ostreamManager.cpp.

  : output(&str), text(classname)
{ }

Member Function Documentation

operator=()

OMBuf & olb::OMBuf::operator=

(

const OMBuf &

rhs

)

Definition at line 45 of file ostreamManager.cpp.

{
  output = rhs.output;
  text = rhs.text;
 
  return *this;
}

setMultiOutput()

void olb::OMBuf::setMultiOutput

(

bool

b

)

Definition at line 57 of file ostreamManager.cpp.

{
  (*this).multiOutput = b;
}

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swap()

void olb::OMBuf::swap

(

OMBuf &

rhs

)

sync()

int olb::OMBuf::sync ( )

override

sync the stream with the output:

1) first Output "[text] ", then the buffer,
2) reset the buffer
3) and flush the actual output stream

Definition at line 62 of file ostreamManager.cpp.

{
#ifdef PARALLEL_MODE_MPI
  #ifdef PARALLEL_MODE_OMP
    if (multiOutput==true) {
      *output << "["
              << text << ":" << singleton::mpi().getRank()
                      << ":" << singleton::omp().getRank()
              << "] " << str();
    }
    else {    // multiOutput==false
      if (singleton::mpi().getRank() == 0 && singleton::omp().getRank() == 0) {
        *output << "[" << text << "] " << str();
      }
    }
  #else
    if (multiOutput==true) {
      *output << "["
              << text << ":" << singleton::mpi().getRank()
              << "] " << str();
    }
    else {    // multiOutput==false
      if (singleton::mpi().getRank()==0) {
        *output << "[" << text << "] " << str();
      }
    }
  #endif
#elif PARALLEL_MODE_OMP
  if (multiOutput==true) {
    *output << "["
            << text << ":" << singleton::omp().getRank()
            << "] " << str();
  }
  else {    // multiOutput==false
    if (singleton::omp().getRank()==0) {
      *output << "[" << text << "] " << str();
    }
  }
#else
  *output << "[" << text << "] " << str();
#endif
  str("");
  output->flush();
  return 0;
}

References olb::singleton::MpiManager::getRank(), olb::ompManager::getRank(), olb::singleton::mpi(), and olb::singleton::omp().

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

• src/io/ostreamManager.h
• src/io/ostreamManager.cpp