icinga2/lib/base/stdiostream.cpp

75 lines
2.5 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/) *
* *
* This program 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 2 *
* of the License, or (at your option) any later version. *
* *
* This program 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 this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "base/stdiostream.hpp"
#include "base/objectlock.hpp"
using namespace icinga;
/**
* Constructor for the StdioStream class.
*
* @param innerStream The inner stream.
* @param ownsStream Whether the new object owns the inner stream. If true
* the stream's destructor deletes the inner stream.
*/
StdioStream::StdioStream(std::iostream *innerStream, bool ownsStream)
: m_InnerStream(innerStream), m_OwnsStream(ownsStream)
{ }
StdioStream::~StdioStream()
{
Close();
}
size_t StdioStream::Read(void *buffer, size_t size, bool allow_partial)
{
ObjectLock olock(this);
m_InnerStream->read(static_cast<char *>(buffer), size);
return m_InnerStream->gcount();
}
void StdioStream::Write(const void *buffer, size_t size)
{
ObjectLock olock(this);
m_InnerStream->write(static_cast<const char *>(buffer), size);
}
void StdioStream::Close()
{
Stream::Close();
if (m_OwnsStream) {
delete m_InnerStream;
m_OwnsStream = false;
}
}
bool StdioStream::IsDataAvailable() const
{
return !IsEof();
}
bool StdioStream::IsEof() const
{
return !m_InnerStream->good();
}