C++ Library containing a lot of needful things: Stack Trace, Command Line Parser, Resource Handling, Configuration Files, Unix Command Execution, Directories, Regular Expressions, Tokenizer, Function Trace, Standard Extensions.
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20 years ago
/** @file
$Id$
$Date$
$Author$
@copy © Marc Wäckerlin
@license LGPL, see file <a href="license.html">COPYING</a>
$Log$
Revision 1.3 2005/11/29 12:39:42 marc
make it compilable with gcc 4.0.2 and newer doxygen
Revision 1.2 2005/04/14 19:06:37 marc
no more duplicated traces, better filtering for Qt
20 years ago
Revision 1.1 2005/04/07 20:57:36 marc
initial version
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*/
#include <log4cxx/propertyconfigurator.h>
#include <log4cxx/helpers/properties.h>
#include <fstream>
#if (__GNUC__==3 && __GNUC_MINOR__<4 || __GNUC__<3) \
&& defined(_REENTRANT) && !defined(_MT)
#define _MT
#endif
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namespace mrw {
/** @addtogroup debug
*/
//@{
/** @defgroup AutoInitLog4cxx Automatically initialize log4cxx
If you want to enable log4cxx
(http://logging.apache.org/log4cxx), you have to configure it in
your application, normally in the main. If you want to configure
it automatically, without changing a single line in your code
(e.g. for temporary debugging), simply link to @c
libmrwlog4cxxconfiguration, either with option @c
-lmrwlog4cxxconfiguration for single threaded, or with @c
-lmrwlog4cxxconfiguration-mt for multi threaded applications.
With @ref trclog4cxx and @ref
AutoFunctionTrace, you can add tracing based on @c log4cxx,
without even change a single line in your code. But your code
still has to initialize @c log4cxx. If you even want to
automatically initialize @c log4cxx, use this library!
Configures @c log4cxx in the following way:
-# if available, read @c log4cxx property file
(read first file found, in this order)
-# file specified in environment variable
@c $MRW_LOG4CXX_CONFIGFILE
-# <code>.mrwlog4cxx</code> (local file)
-# <code>~/.mrwlog4cxx</code> (file in user's home)
-# <code>/etc/mrwlog4cxx</code> (global configuration)
-# if no configuration file is found, use default configuration:
@verbatim
log4j.rootLogger = WARN, A1
log4j.logger.mrw.fntrace = OFF
log4j.logger.mrw.fn = OFF
log4j.logger.mrw.fn.log4cxx = OFF
log4j.logger.mrw.fn.boost = OFF
log4j.logger.mrw.fn.Thread = OFF
log4j.logger.mrw.fn.QString = OFF
log4j.logger.mrw.fn.QShared = OFF
log4j.logger.mrw.fn.QWidget = OFF
log4j.logger.mrw.fn.QRect = OFF
log4j.logger.mrw.fn.qstrcmp = OFF
log4j.logger.mrw.fn.*.qt_cast = OFF
log4j.logger.mrw.fn.mrw = OFF
log4j.logger.mrw.fn.std = OFF
log4j.logger.mrw.fn.CppUnit = OFF
log4j.logger.mrw.fn.__gnu_cxx = OFF
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log4j.appender.A1 = org.apache.log4j.ConsoleAppender
log4j.appender.A1.layout = org.apache.log4j.PatternLayout
@endverbatim
and for multi threaded programs in addition:
@verbatim
log4j.appender.A1.layout.ConversionPattern = \%t-\%-40l - \%m\%n
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@endverbatim
on the other hand, single threaded programs are formatted as:
@verbatim
log4j.appender.A1.layout.ConversionPattern = \%-40l - \%m\%n
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@endverbatim
This results in the following behaviour:
- trace to console
- format as...
- @c "\%t-\%-40l - \%m\%n" if threaded
- @c "\%-40l - \%m\%n" if not threaded
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- enable all tracing to @c DEBUG
- enable tracing of @ref AutoFunctionTrace
- disable function trace for @c log4cxx
- disable function trace for @c boost
- disable function trace for @c Qt base classes
- disable function trace for @c libmrw
- disable function trace for @c std
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- disable function trace for @c CppUnit
- disable function trace for @c gcc internals
*/
//@{
class InitLog4cxx {
public:
InitLog4cxx() {
std::string logconfigfile;
char* c(getenv("MRW_LOG4CXX_CONFIGFILE"));
if (c && std::ifstream(c))
logconfigfile = c;
else if (std::ifstream(".mrwlog4cxx"))
logconfigfile = ".mrwlog4cxx";
else if ((c=getenv("HOME")) &&
std::ifstream((std::string(c)+"/.mrwlog4cxx").c_str()))
logconfigfile = std::string(c)+"/.mrwlog4cxx";
else if (std::ifstream("/etc/mrwlog4cxx"))
logconfigfile = "/etc/mrwlog4cxx";
if (logconfigfile.size()) {
log4cxx::PropertyConfigurator::configure
(log4cxx::String(logconfigfile.begin(), logconfigfile.end()));
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return;
}
log4cxx::helpers::Properties properties;
std::string name, cont;
properties.setProperty((name="log4j.rootLogger",
log4cxx::String(name.begin(), name.end())),
(cont="WARN, A1",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fntracea",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn.log4cxx",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn.boost",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn.Thread",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn.QString",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn.QShared",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn.QWidget",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn.QRect",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn.qstrcmp",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn.*.qt_cast",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn.mrw",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn.std",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn.CppUnit",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.logger.mrw.fn.__gnu_cxx",
log4cxx::String(name.begin(), name.end())),
(cont="OFF",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.appender.A1",
log4cxx::String(name.begin(), name.end())),
(cont="org.apache.log4j.ConsoleAppender",
log4cxx::String(cont.begin(), cont.end())));
properties.setProperty((name="log4j.appender.A1.layout",
log4cxx::String(name.begin(), name.end())),
(cont="org.apache.log4j.PatternLayout",
log4cxx::String(cont.begin(), cont.end())));
#ifdef _MT
properties.setProperty((name="log4j.appender.A1.layout.ConversionPattern",
log4cxx::String(name.begin(), name.end())),
(cont="%t-%-40l - %m%n",
log4cxx::String(cont.begin(), cont.end())));
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#else
properties.setProperty((name="log4j.appender.A1.layout.ConversionPattern",
log4cxx::String(name.begin(), name.end())),
(cont="%-40l - %m%n",
log4cxx::String(cont.begin(), cont.end())));
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#endif
log4cxx::PropertyConfigurator::configure(properties);
}
};
static InitLog4cxx INIT_LOG4CXX;
//@}
//@}
}