olb::olb_ifstream Class Reference

#include <parallelIO.h>

Inheritance diagram for olb::olb_ifstream:

Collaboration diagram for olb::olb_ifstream:

Public Member Functions
	olb_ifstream ()
	olb_ifstream (const char *filename, openmode mode=in)
	~olb_ifstream () override
std::streambuf *	rdbuf () const
bool	is_open ()
void	open (const char *filename, openmode mode=in)
void	close ()

Detailed Description

Definition at line 76 of file parallelIO.h.

Constructor & Destructor Documentation

olb_ifstream() [1/2]

olb::olb_ifstream::olb_ifstream

(

)

Definition at line 287 of file parallelIO.h.

                           : std::istream(nullptr), fbuf(), mybuf(&fbuf)
{
  init(&mybuf);
}

olb_ifstream() [2/2]

olb::olb_ifstream::olb_ifstream ( const char * filename, openmode mode = in )

explicit

Definition at line 292 of file parallelIO.h.

  : std::istream(nullptr), fbuf(), mybuf(&fbuf)
{
  init(&mybuf);
  open(filename, mode);
}

References open().

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~olb_ifstream()

olb::olb_ifstream::~olb_ifstream ( )

override

Definition at line 299 of file parallelIO.h.

{ }

Member Function Documentation

close()

void olb::olb_ifstream::close

(

)

Definition at line 333 of file parallelIO.h.

{
  int ok;
#ifdef PARALLEL_MODE_MPI
  if (singleton::mpi().isMainProcessor()) {
#endif
    ok = (bool) fbuf.close();
#ifdef PARALLEL_MODE_MPI
  }
  singleton::mpi().bCast(&ok, 1);
#endif
  if (!ok) {
    setstate(ios_base::failbit);
  }
}

References olb::singleton::MpiManager::bCast(), and olb::singleton::mpi().

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is_open()

bool olb::olb_ifstream::is_open

(

)

Definition at line 309 of file parallelIO.h.

{
  return fbuf.is_open();
}

open()

void olb::olb_ifstream::open	(	const char *	filename,
		openmode	mode = in )

Definition at line 316 of file parallelIO.h.

{
  int ok;
#ifdef PARALLEL_MODE_MPI
  if (singleton::mpi().isMainProcessor()) {
#endif
    ok = (bool) fbuf.open(filename, mode | ios_base::in);
#ifdef PARALLEL_MODE_MPI
  }
  singleton::mpi().bCast(&ok, 1);
#endif
  if (!ok) {
    this->setstate(ios_base::failbit);
  }
}

References olb::singleton::MpiManager::bCast(), and olb::singleton::mpi().

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rdbuf()

std::streambuf * olb::olb_ifstream::rdbuf

(

)

const

Definition at line 303 of file parallelIO.h.

{
  return const_cast<ParBuf*>(&mybuf);
}

---

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

• src/io/parallelIO.h