116 lines
2.8 KiB
C++

/* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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; version 2 of the License.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
#ifndef LOG_H_
#define LOG_H_
#include <stdio.h>
#include <iostream>
#include <sstream>
struct ldap_log_type
{
typedef enum
{
LDAP_LOG_DBG, LDAP_LOG_INFO, LDAP_LOG_WARNING, LDAP_LOG_ERROR
} ldap_type;
};
enum ldap_log_level
{
LDAP_LOG_LEVEL_NONE= 1, LDAP_LOG_LEVEL_ERROR, LDAP_LOG_LEVEL_ERROR_WARNING, LDAP_LOG_LEVEL_ERROR_WARNING_INFO, LDAP_LOG_LEVEL_ALL
};
class Ldap_log_writer_error
{
public:
Ldap_log_writer_error();
~Ldap_log_writer_error();
void write(std::string data);
};
class Ldap_logger
{
public:
Ldap_logger();
~Ldap_logger();
template<ldap_log_type::ldap_type type>
void log(std::string msg);
void set_log_level(ldap_log_level level);
private:
Ldap_log_writer_error *m_log_writer;
ldap_log_level m_log_level;
};
template<ldap_log_type::ldap_type type>
void Ldap_logger::log(std::string msg)
{
std::stringstream log_stream;
switch (type)
{
case ldap_log_type::LDAP_LOG_DBG:
if (LDAP_LOG_LEVEL_ALL > m_log_level)
{
return;
}
log_stream << "[DBG] ";
break;
case ldap_log_type::LDAP_LOG_INFO:
if (LDAP_LOG_LEVEL_ERROR_WARNING_INFO > m_log_level)
{
return;
}
log_stream << "[Note] ";
break;
case ldap_log_type::LDAP_LOG_WARNING:
if (LDAP_LOG_LEVEL_ERROR_WARNING > m_log_level)
{
return;
}
log_stream << "[Warning] ";
break;
case ldap_log_type::LDAP_LOG_ERROR:
if (LDAP_LOG_LEVEL_NONE >= m_log_level)
{
return;
}
log_stream << "[Error] ";
break;
};
/** We can write debug messages also in error log file if logging level is set to debug.
For MySQL client this will come from environment variable */
if (m_log_writer)
{
log_stream << ": " << msg;
m_log_writer->write(log_stream.str());
}
}
extern Ldap_logger *g_logger_client;
#define log_dbg g_logger_client->log< ldap_log_type::LDAP_LOG_DBG >
#define log_info g_logger_client->log< ldap_log_type::LDAP_LOG_INFO >
#define log_warning g_logger->log< ldap_log_type::LDAP_LOG_WARNING >
#define log_error g_logger_client->log< ldap_log_type::LDAP_LOG_ERROR >
#endif