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/*
* This file is part of rasdaman community.
*
* Rasdaman community is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
/
/**
* SOURCE: akgnet_fdescr.cc
*
* MODULE: akg network
* CLASS: FileDescriptor
*
* COMMENTS:
*
*/
#include <akgnet_fdescr.hh>
akg::FileDescriptor::FileDescriptor() throw()
{
fileDescriptor = -1;
savedErrno = 0;
}
akg::FileDescriptor::~FileDescriptor() throw()
{
close();
}
int akg::FileDescriptor::operator()() throw()
{
return fileDescriptor;
}
bool akg::FileDescriptor::isOpen() throw()
{
return fileDescriptor == -1 ? false:true;
}
void akg::FileDescriptor::close() throw()
{
if(isOpen())
{ ::close(fileDescriptor);
saveErrno();
}
fileDescriptor = -1;
}
int akg::FileDescriptor::write(const void *buffer, int count) throw()
{
savedErrno = 0;
DBTALK("FileDescriptor write: "<<buffer<<" count="<<count);
int nbytes = ::write(fileDescriptor,buffer,count);
if(nbytes < 0) saveErrno();
return nbytes;
}
int akg::FileDescriptor::read (void *buffer, int count) throw()
{
savedErrno = 0;
DBTALK("FileDescriptor read: "<<buffer<<" count="<<count);
int nbytes = ::read(fileDescriptor,buffer,count);
if(nbytes < 0) saveErrno();
return nbytes;
}
bool akg::FileDescriptor::setNonBlocking(bool nonBlocking) throw()
{
if(isOpen())
{ int val = fcntl(fileDescriptor,F_GETFL,0);
if( nonBlocking) val |= O_NONBLOCK;
else val &=~O_NONBLOCK;
fcntl(fileDescriptor,F_SETFL,val);
return true;
}
return false;
}
bool akg::FileDescriptor::isNonBlocking() throw()
{
if(isOpen())
{ int val = fcntl(fileDescriptor,F_GETFL,0);
return (val & O_NONBLOCK) ? true:false;
}
return false;
}
int akg::FileDescriptor::getErrno() throw()
{ return savedErrno;
}
void akg::FileDescriptor::saveErrno() throw()
{ savedErrno=errno;
}
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