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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */
/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */
/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
/* */
/* NXCOMP, NX protocol compression and NX extensions to this software */
/* are copyright of the aforementioned persons and companies. */
/* */
/* Redistribution and use of the present software is allowed according */
/* to terms specified in the file LICENSE.nxcomp which comes in the */
/* source distribution. */
/* */
/* All rights reserved. */
/* */
/* NOTE: This software has received contributions from various other */
/* contributors, only the core maintainers and supporters are listed as */
/* copyright holders. Please contact us, if you feel you should be listed */
/* as copyright holder, as well. */
/* */
/**************************************************************************/
#include <stdio.h>
#include <iostream>
#include <fstream>
#include <sstream>
#include <iomanip>
#include <unistd.h>
#include "Log.h"
#include "config.h"
NXLog nx_log;
bool NXLog::will_log() const
{
std::map<std::string, NXLogLevel>::const_iterator item = per_file_levels_.find(current_file());
if ( item != per_file_levels_.end() )
{
return current_level() <= item->second;
}
else
{
return current_level() <= level();
}
}
std::string NXLog::stamp_to_string(const NXLogStamp& stamp) const
{
std::ostringstream oss;
static const char* level_names[] = {
"FATAL",
"ERROR",
"WARN ",
"INFO ",
"DEBUG"
};
if ( log_level() )
oss << ((stamp.level() >=0 && stamp.level() < NXLOG_LEVEL_COUNT ) ? level_names[stamp.level()] : "???") << " ";
if ( log_time() )
{
struct timeval timestamp = stamp.timestamp();
struct tm timeinfo;
localtime_r(×tamp.tv_sec, &timeinfo);
if ( log_unix_time() )
{
oss << timestamp.tv_sec;
}
else
{
#if HAVE_STD_PUT_TIME
oss << " " << std::put_time(&timeinfo, "%Y/%m/%d %H:%M:%S");
#else
oss << timestamp.tv_sec;
#endif
}
oss << "." << std::setw(3) << std::setfill('0') << (int)(timestamp.tv_usec / 1000) << " ";
}
if ( log_location() )
oss << stamp.file() << "/" << stamp.function() << ":" << stamp.line() << " ";
if ( log_thread_id() )
{
if ( thread_name().empty() )
oss << getpid() << "/" << pthread_self() << " ";
else
oss << "[" << thread_name() << "] ";
}
return oss.str();
}
NXLog& operator<< (NXLog& out, const NXLogStamp& value)
{
/*
* If appending, the file and function names must be empty and
* the line set to zero.
*/
const bool looks_like_append = ((value.file().empty()) || (value.function().empty()) || (0 == value.line()));
const bool append = ((looks_like_append) && ((value.file().empty()) && (value.function().empty()) && (0 == value.line())));
if ((looks_like_append) && (!append))
{
std::cerr << "WARNING: At least one element in logstamp invalid, but this is not supposed to be an append operation. "
<< "Internal state error!\n" << "Log line will be discarded!" << std::endl;
}
else if (append)
{
/* Appending means that the log object's internal level and the message level must match. */
if (out.current_level() == value.level())
{
/* Discard, if the message is not supposed to be written out anyway. */
if (out.will_log ())
{
/* And the buffer must of course be non-empty. */
if (out.has_buffer())
{
out << " (cont.) ";
}
else
{
std::cerr << "WARNING: Append operation requested, but no queued data available. "
<< "Internal state error!\n" << "Log line will be discarded!" << std::endl;
}
}
}
else
{
std::cerr << "WARNING: Append operation requested, but internal log level not matching line level. "
<< "Internal state error!\n" << "Log line will be discarded!" << std::endl;
}
}
else
{
out.current_level( value.level() );
out.current_file( value.file() );
// Writing an NXLogStamp to the stream indicates the start of a new entry.
// If there's any content in the buffer and we actually intend to keep that line,
// create a new entry in the output queue.
if ( out.synchronized() && out.will_log() )
out.new_stack_entry();
out << out.stamp_to_string(value);
}
return out;
}
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