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/*
This file is part of Icecream.
Copyright (c) 2004 Stephan Kulow <coolo@suse.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
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _LOGGING_H
#define _LOGGING_H
#include <sys/time.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string>
#include <iostream>
#include <cassert>
#include <cstring>
enum DebugLevels { Info = 1, Warning = 2, Error = 4, Debug = 8};
extern std::ostream *logfile_info;
extern std::ostream *logfile_warning;
extern std::ostream *logfile_error;
extern std::ostream *logfile_trace;
extern std::string logfile_prefix;
void setup_debug(int level, const std::string &logfile = "", const std::string& prefix="");
void reset_debug(int);
void close_debug();
void flush_debug();
static inline std::ostream & output_date( std::ostream &os )
{
time_t t = time( 0 );
struct tm* tmp = localtime(&t);
char buf[64];
strftime(buf, sizeof(buf), "%T: ", tmp);
if (logfile_prefix.size())
os << logfile_prefix;
os << "[" << getpid() << "] ";
os << buf;
return os;
}
static inline std::ostream& log_info() {
if(!logfile_info) return std::cerr;
return output_date( *logfile_info);
}
static inline std::ostream& log_warning() {
if(!logfile_warning) return std::cerr;
return output_date( *logfile_warning );
}
static inline std::ostream& log_error() {
if(!logfile_error) return std::cerr;
return output_date( *logfile_error );
}
static inline std::ostream& trace() {
if(!logfile_trace) return std::cerr;
return output_date( *logfile_trace);
}
std::string get_backtrace();
static inline void log_perror(const char *prefix) {
int tmp_errno = errno;
log_error() << prefix << " " << strerror( tmp_errno ) << std::endl;
}
class log_block
{
static unsigned nesting;
timeval m_start;
char* m_label;
public:
log_block(const char* label =0)
{
#ifndef NDEBUG
for (unsigned i = 0; i < nesting; ++i)
log_info() << " ";
log_info() << "<" << (label ? label : "") << ">\n";
m_label = strdup(label ? label : "");
++nesting;
gettimeofday( &m_start, 0);
#endif
}
~log_block()
{
#ifndef NDEBUG
timeval end;
gettimeofday (&end, 0);
--nesting;
for (unsigned i = 0; i < nesting; ++i)
log_info() << " ";
log_info() << "</" << m_label << ": "
<< (end.tv_sec - m_start.tv_sec ) * 1000 + ( end.tv_usec - m_start.tv_usec ) / 1000 << "ms>\n";
free(m_label);
#endif
}
};
#include <sstream>
#include <iostream>
template<class T>
std::string toString(const T& val)
{
std::ostringstream os;
os << val;
return os.str();
}
#endif
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