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unison/src/core/model/log-macros-enabled.h
2015-07-24 12:45:22 -07:00

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8.9 KiB
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2006,2007 INRIA
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
*/
#ifndef NS3_LOG_MACROS_ENABLED_H
#define NS3_LOG_MACROS_ENABLED_H
/**
* \file
* \ingroup logging
* Definition of logging macros.
*/
#ifdef NS3_LOG_ENABLE
/**
* \ingroup logging
* Append the simulation time to a log message.
* \internal
* Logging implementation macro; should not be called directly.
*/
#define NS_LOG_APPEND_TIME_PREFIX \
if (g_log.IsEnabled (ns3::LOG_PREFIX_TIME)) \
{ \
ns3::LogTimePrinter printer = ns3::LogGetTimePrinter (); \
if (printer != 0) \
{ \
(*printer)(std::clog); \
std::clog << " "; \
} \
}
/**
* \ingroup logging
* Append the simulation node id to a log message.
* \internal
* Logging implementation macro; should not be called directly.
*/
#define NS_LOG_APPEND_NODE_PREFIX \
if (g_log.IsEnabled (ns3::LOG_PREFIX_NODE)) \
{ \
ns3::LogNodePrinter printer = ns3::LogGetNodePrinter (); \
if (printer != 0) \
{ \
(*printer)(std::clog); \
std::clog << " "; \
} \
}
/**
* \ingroup logging
* Append the function name to a log message.
* \internal
* Logging implementation macro; should not be called directly.
*/
#define NS_LOG_APPEND_FUNC_PREFIX \
if (g_log.IsEnabled (ns3::LOG_PREFIX_FUNC)) \
{ \
std::clog << g_log.Name () << ":" << \
__FUNCTION__ << "(): "; \
} \
/**
* \ingroup logging
* Append the log severity level to a log message.
* \internal
* Logging implementation macro; should not be called directly.
*/
#define NS_LOG_APPEND_LEVEL_PREFIX(level) \
if (g_log.IsEnabled (ns3::LOG_PREFIX_LEVEL)) \
{ \
std::clog << "[" << g_log.GetLevelLabel (level) << "] "; \
} \
#ifndef NS_LOG_APPEND_CONTEXT
/**
* \ingroup logging
* Append the node id (or other file-local programatic context, such as
* MPI rank) to a log message.
*
* This is implemented locally in `.cc` files because
* the relevant variable is only known there.
*
* Preferred format is something like (assuming the node id is
* accessible from `var`:
* \code
* if (var)
* {
* std::clog << "[node " << var->GetObject<Node> ()->GetId () << "] ";
* }
* \endcode
*/
#define NS_LOG_APPEND_CONTEXT
#endif /* NS_LOG_APPEND_CONTEXT */
#ifndef NS_LOG_CONDITION
/**
* \ingroup logging
* Limit logging output based on some file-local condition,
* such as MPI rank.
*
* This is implemented locally in `.cc` files because
* the relevant condition variable is only known there.
*
* Since this appears immediately before the `do { ... } while false`
* construct of \c NS_LOG(level, msg), it must have the form
* \code
* #define NS_LOG_CONDITION if (condition)
* \endcode
*/
#define NS_LOG_CONDITION
#endif
/**
* \ingroup logging
*
* This macro allows you to log an arbitrary message at a specific
* log level.
*
* The log message is expected to be a C++ ostream
* message such as "my string" << aNumber << "my oth stream".
*
* Typical usage looks like:
* \code
* NS_LOG (LOG_DEBUG, "a number="<<aNumber<<", anotherNumber="<<anotherNumber);
* \endcode
*
* \param [in] level The log level
* \param [in] msg The message to log
* \internal
* Logging implementation macro; should not be called directly.
*/
#define NS_LOG(level, msg) \
NS_LOG_CONDITION \
do \
{ \
if (g_log.IsEnabled (level)) \
{ \
NS_LOG_APPEND_TIME_PREFIX; \
NS_LOG_APPEND_NODE_PREFIX; \
NS_LOG_APPEND_CONTEXT; \
NS_LOG_APPEND_FUNC_PREFIX; \
NS_LOG_APPEND_LEVEL_PREFIX (level); \
std::clog << msg << std::endl; \
} \
} \
while (false)
/**
* \ingroup logging
*
* Output the name of the function.
*
* This should be used only in static functions; most member functions
* should instead use NS_LOG_FUNCTION().
*/
#define NS_LOG_FUNCTION_NOARGS() \
NS_LOG_CONDITION \
do \
{ \
if (g_log.IsEnabled (ns3::LOG_FUNCTION)) \
{ \
NS_LOG_APPEND_TIME_PREFIX; \
NS_LOG_APPEND_NODE_PREFIX; \
NS_LOG_APPEND_CONTEXT; \
std::clog << g_log.Name () << ":" \
<< __FUNCTION__ << "()" << std::endl; \
} \
} \
while (false)
/**
* \ingroup logging
*
* If log level LOG_FUNCTION is enabled, this macro will output
* all input parameters separated by ", ".
*
* Typical usage looks like:
* \code
* NS_LOG_FUNCTION (aNumber<<anotherNumber);
* \endcode
* And the output will look like:
* \code
* Component:Function (aNumber, anotherNumber)
* \endcode
*
* To facilitate function tracing, most functions should begin with
* (at least) NS_LOG_FUNCTION(this). Static functions should use
* NS_LOG_FUNCTION_NOARGS() instead.
*
* \param [in] parameters The parameters to output.
*/
#define NS_LOG_FUNCTION(parameters) \
NS_LOG_CONDITION \
do \
{ \
if (g_log.IsEnabled (ns3::LOG_FUNCTION)) \
{ \
NS_LOG_APPEND_TIME_PREFIX; \
NS_LOG_APPEND_NODE_PREFIX; \
NS_LOG_APPEND_CONTEXT; \
std::clog << g_log.Name () << ":" \
<< __FUNCTION__ << "("; \
ns3::ParameterLogger (std::clog) << parameters; \
std::clog << ")" << std::endl; \
} \
} \
while (false)
/**
* \ingroup logging
*
* Output the requested message unconditionaly.
*
* \param [in] msg The message to log
*/
#define NS_LOG_UNCOND(msg) \
NS_LOG_CONDITION \
do \
{ \
std::clog << msg << std::endl; \
} \
while (false)
#endif /* NS3_LOG_ENABLE */
#endif /* NS3_LOG_MACROS_ENABLED_H */