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NebulaLog.h
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NebulaLog.h
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/* -------------------------------------------------------------------------- */
/* Copyright 2002-2016, OpenNebula Project, OpenNebula Systems */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); you may */
/* not use this file except in compliance with the License. You may obtain */
/* a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
/* See the License for the specific language governing permissions and */
/* limitations under the License. */
/* -------------------------------------------------------------------------- */
#ifndef _NEBULA_LOG_H_
#define _NEBULA_LOG_H_
#include "Log.h"
#include "NebulaUtil.h"
#include <sstream>
#include <syslog.h>
using namespace std;
/**
* The Logger class for the OpenNebula components
*/
class NebulaLog
{
public:
enum LogType {
FILE = 0,
FILE_TS = 1,
STD = 2,
SYSLOG = 3,
UNDEFINED = 4
};
// ---------------------------------------------------------------
// Logging
// ---------------------------------------------------------------
static void init_log_system(
LogType ltype,
Log::MessageType clevel,
const char * filename,
ios_base::openmode mode,
const string& daemon)
{
_log_type = ltype;
switch(ltype)
{
case FILE:
NebulaLog::logger = new FileLog(filename, clevel, mode);
break;
case FILE_TS:
NebulaLog::logger = new FileLogTS(filename, clevel, mode);
break;
case SYSLOG:
NebulaLog::logger = new SysLog(clevel, daemon);
break;
default:
NebulaLog::logger = new StdLog(clevel);
break;
}
};
static LogType str_to_type(string& type)
{
one_util::toupper(type);
if (type == "FILE")
{
return FILE_TS;
}
else if (type == "SYSLOG")
{
return SYSLOG;
}
else if (type == "STD")
{
return STD;
}
return UNDEFINED;
}
static void finalize_log_system()
{
delete logger;
}
static void log(
const char * module,
const Log::MessageType type,
const char * message)
{
logger->log(module,type,message);
};
static void log(
const char * module,
const Log::MessageType type,
const ostringstream& message)
{
logger->log(module,type,message.str().c_str());
};
static void log(
const char * module,
const Log::MessageType type,
const string& message)
{
logger->log(module,type,message.c_str());
};
static Log::MessageType log_level()
{
return logger->get_log_level();
};
static LogType log_type()
{
return _log_type;
};
private:
NebulaLog(){};
~NebulaLog(){};
static LogType _log_type;
static Log * logger;
};
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#endif /* _NEBULA_LOG_H_ */