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/*
* Copyright (c) 2010 SURFnet bv
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*****************************************************************************
log.cpp
Implements logging functions. This file is based on the concepts from
SoftHSM v1 but extends the logging functions with support for a variable
argument list as defined in stdarg (3).
*****************************************************************************/
#include "config.h"
#include <stdarg.h>
#include <syslog.h>
#include <stdio.h>
#include <sstream>
#include <vector>
#include "log.h"
int softLogLevel = LOG_DEBUG;
bool setLogLevel(const std::string &loglevel)
{
if (loglevel == "ERROR")
{
softLogLevel = LOG_ERR;
}
else if (loglevel == "WARNING")
{
softLogLevel = LOG_WARNING;
}
else if (loglevel == "INFO")
{
softLogLevel = LOG_INFO;
}
else if (loglevel == "DEBUG")
{
softLogLevel = LOG_DEBUG;
}
else
{
ERROR_MSG("Unknown value (%s) for log.level in configuration", loglevel.c_str());
return false;
}
return true;
}
void softHSMLog(const int loglevel, const char* functionName, const char* fileName, const int lineNo, const char* format, ...)
{
if (loglevel > softLogLevel) return;
std::stringstream prepend;
#ifdef SOFTHSM_LOG_FILE_AND_LINE
prepend << fileName << "(" << lineNo << ")";
#ifndef SOFTHSM_LOG_FUNCTION_NAME
(void) functionName;
prepend << ":";
#endif // !SOFTHSM_LOG_FUNCTION_NAME
prepend << " ";
#endif // SOFTHSM_LOG_FILE_AND_LINE
#ifdef SOFTHSM_LOG_FUNCTION_NAME
prepend << functionName << ": ";
#endif // SOFTHSM_LOG_FUNCTION_NAME
// Print the format to a log message
std::vector<char> logMessage;
va_list args;
logMessage.resize(4096);
va_start(args, format);
vsnprintf(&logMessage[0], 4096, format, args);
va_end(args);
// And log it
syslog(loglevel, "%s%s", prepend.str().c_str(), &logMessage[0]);
#ifdef DEBUG_LOG_STDERR
fprintf(stderr, "%s%s\n", prepend.str().c_str(), &logMessage[0]);
fflush(stderr);
#endif // DEBUG_LOG_STDERR
}
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