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/*
* FP.cpp
*
* Created on: Jan 6, 2017
* Author: wfg
*/
/// \cond EXCLUDE_FROM_DOXYGEN
#include <ios> //std::ios_base::failure
/// \endcond
#include "transport/file/FilePointer.h"
namespace adios
{
namespace transport
{
FilePointer::FilePointer(MPI_Comm mpiComm, const bool debugMode)
: Transport("FILE*", mpiComm, debugMode)
{
}
FilePointer::~FilePointer()
{
if (m_File != NULL)
fclose(m_File);
}
void FilePointer::Open(const std::string name, const std::string accessMode)
{
m_Name = name;
m_AccessMode = accessMode;
if (accessMode == "w" || accessMode == "write")
m_File = fopen(name.c_str(), "w");
else if (accessMode == "a" || accessMode == "append")
m_File = fopen(name.c_str(), "a");
else if (accessMode == "r" || accessMode == "read")
m_File = fopen(name.c_str(), "r");
if (m_DebugMode == true)
{
if (m_File == NULL)
throw std::ios_base::failure("ERROR: couldn't open file " + name +
", "
"in call to Open from File* transport\n");
}
}
void FilePointer::SetBuffer(char *buffer, std::size_t size)
{
int status = setvbuf(m_File, buffer, _IOFBF, size);
if (m_DebugMode == true)
{
if (status == 1)
throw std::ios_base::failure("ERROR: could not set buffer in rank " +
std::to_string(m_RankMPI) + "\n");
}
}
void FilePointer::Write(const char *buffer, std::size_t size)
{
fwrite(buffer, sizeof(char), size, m_File);
if (m_DebugMode == true)
{
if (ferror(m_File))
throw std::ios_base::failure("ERROR: couldn't write to file " + m_Name +
", in call to File* write\n");
}
}
void FilePointer::Flush() { fflush(m_File); }
void FilePointer::Close()
{
fclose(m_File);
m_IsOpen = false;
}
} // end namespace transport
} // end namespace