// $Id$
//
// Copyright (C) 2006
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
-// Stefan Bund <stefan.bund@fokus.fraunhofer.de>
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
+// Stefan Bund <g0dil@berlios.de>
//
// 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
//#include "Exception.ih"
// Custom includes
-#include <cstring>
+#include <execinfo.h>
#include <sstream>
+#include "../config.hh"
+#include "Backtrace.hh"
#define prefix_
///////////////////////////////cc.p////////////////////////////////////////
-prefix_ void senf::throwErrno(std::string const & where, int code)
+///////////////////////////////////////////////////////////////////////////
+// senf::Exception
+
+#ifdef SENF_DEBUG
+prefix_ void senf::ExceptionMixin::addBacktrace()
{
- switch (code) {
+ void * entries[SENF_DEBUG_BACKTRACE_NUMCALLERS];
+ unsigned nEntries( ::backtrace(entries, SENF_DEBUG_BACKTRACE_NUMCALLERS) );
- // BOOST_PP_REPEAT is limited to 256 repetitions. The max errno value I found in any header file
- // was somewhere around 530 or so. I assume going to 1024 will be good enough. This explicit
- // code will be optimized into a jump table by g++ (which is more efficient than trying to do
- // the table oneself)
+ std::stringstream ss;
+ ss << "\nException at\n";
+ formatBacktrace(ss, entries, nEntries);
+ ss << "-- \n" << message_;
+ what_ = ss.str();
+}
+#endif
-# define ExceptionCase(z, n, data) case n: throw ErrnoException<n>(where);
- BOOST_PP_REPEAT(256, ExceptionCase, _) ;
-# undef ExceptionCase
+///////////////////////////////////////////////////////////////////////////
+// senf::Exception
-# define ExceptionCase(z, n, data) case 256+n: throw ErrnoException<256+n>(where);
- BOOST_PP_REPEAT(256, ExceptionCase, _) ;
-# undef ExceptionCase
+prefix_ senf::Exception::~Exception()
+ throw()
+{}
-# define ExceptionCase(z, n, data) case 512+n: throw ErrnoException<512+n>(where);
- BOOST_PP_REPEAT(256, ExceptionCase, _) ;
-# undef ExceptionCase
+prefix_ char const * senf::Exception::what()
+ const throw()
+{
+ return what_.c_str();
+}
-# define ExceptionCase(z, n, data) case 768+n: throw ErrnoException<768+n>(where);
- BOOST_PP_REPEAT(256, ExceptionCase, _) ;
-# undef ExceptionCase
+///////////////////////////////////////////////////////////////////////////
+// senf::SystemException
- default:
- throw SystemException(where, code);
- }
+prefix_ void senf::SystemException::init(std::string const & descr, int code
+ _SENF_EXC_DEBUG_ARGS_ND)
+{
+ code_ = code;
+# ifdef SENF_DEBUG
+ if (file && line)
+ (*this) << "Exception at " << file << ":" << line << "\n";
+# endif
+ (*this) << "[" << errorString() << "]";
+ if (! descr.empty()) (*this) << " " << descr;
}
///////////////////////////////cc.e////////////////////////////////////////