/usr/include/log4cplus/boost/deviceappender.hxx is in liblog4cplus-dev 1.1.2-3.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// Redistribution and use in source and binary forms, with or without modifica-
// tion, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
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// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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#ifndef LOG4CPLUS_BOOST_DEVICEAPPENDER_HXX
#define LOG4CPLUS_BOOST_DEVICEAPPENDER_HXX
#include <log4cplus/config.hxx>
#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
#pragma once
#endif
#include <boost/utility/enable_if.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/mpl/not.hpp>
#include <boost/iostreams/operations.hpp>
#include <boost/shared_ptr.hpp>
#include <log4cplus/appender.h>
namespace log4cplus
{
namespace device_appender_detail
{
template <typename T>
struct device_type_traits
{
typedef T & device_type;
static
device_type
unwrap (device_type x)
{
return x;
}
};
template <typename T>
struct device_type_traits<boost::shared_ptr<T> >
{
typedef boost::shared_ptr<T> device_type;
static
T &
unwrap (device_type const & ptr)
{
return *ptr;
}
};
} // namespace device_appender_detail
template <typename Device>
class DeviceAppender
: public Appender
{
public:
typedef device_appender_detail::device_type_traits<Device> device_traits;
typedef typename device_traits::device_type device_type;
template <typename D>
DeviceAppender (D & d, bool close_device = true)
: device (d)
, close_flag (close_device)
{ }
template <typename D>
DeviceAppender (boost::shared_ptr<D> const & d, bool close_device = true)
: device (d)
, close_flag (close_device)
{ }
template <typename D>
DeviceAppender (D & d, const helpers::Properties & props)
: Appender (props)
, device (d)
{
if (props.exists (LOG4CPLUS_TEXT ("CloseDevice")))
close_flag = true;
else
close_flag = false;
}
template <typename D>
DeviceAppender (boost::shared_ptr<D> const & d,
const helpers::Properties & props)
: Appender (props)
, device (d)
{
if (props.exists (LOG4CPLUS_TEXT ("CloseDevice")))
close_flag = true;
else
close_flag = false;
}
virtual
~DeviceAppender ()
{ }
virtual
void
close ()
{
if (close_flag)
boost::iostreams::close (device_traits::unwrap (device));
}
protected:
virtual
void
append (log4cplus::spi::InternalLoggingEvent const & event)
{
tstring & str = formatEvent (event);
boost::iostreams::write (device_traits::unwrap (device),
str.c_str (), str.size ());
}
device_type device;
bool close_flag;
private:
DeviceAppender (DeviceAppender const &);
DeviceAppender & operator = (DeviceAppender const &);
};
template <typename T>
inline
SharedAppenderPtr
make_device_appender (T & d, bool close_device = true)
{
SharedAppenderPtr app (new DeviceAppender<T> (d, close_device));
return app;
}
template <typename T>
inline
SharedAppenderPtr
make_device_appender (T & d, const helpers::Properties & props)
{
SharedAppenderPtr app (new DeviceAppender<T> (d, props));
return app;
}
template <typename T>
inline
SharedAppenderPtr
make_device_appender_sp (boost::shared_ptr<T> const & p,
bool close_device = true)
{
SharedAppenderPtr app (
new DeviceAppender<boost::shared_ptr<T> > (p, close_device));
return app;
}
template <typename T>
inline
SharedAppenderPtr
make_device_appender_sp (boost::shared_ptr<T> const & p,
const helpers::Properties & props)
{
SharedAppenderPtr app (
new DeviceAppender<boost::shared_ptr<T> > (p, props));
return app;
}
} // namespace log4cplus
#endif // LOG4CPLUS_BOOST_DEVICEAPPENDER_HXX
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