daemonlog.h
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/* ****************************************************************************
* Copyright 2019 Open Systems Development BV *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the "Software"), *
* to deal in the Software without restriction, including without limitation *
* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
* and/or sell copies of the Software, and to permit persons to whom the *
* Software is furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included in *
* all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
* DEALINGS IN THE SOFTWARE. *
* ****************************************************************************/
#pragma once
#include <sys/syslog.h>
#include <syslog.h>
#include <cstdio>
#include <string>
namespace osdev::components::daemon {
class daemonlog
{
public:
/**
* Initialize the logger
* @param daemon_name
*/
static void init(const std::string &daemon_name)
{
// m_daemon_name = daemon_name;
openlog(daemon_name.c_str(), LOG_PID, LOG_DAEMON);
}
/**
* main logger with priority LOG_X
* @param message
* @param priority
*/
static void log(const std::string &message, std::int32_t priority)
{
syslog(priority, "%s", message.c_str());
}
/**
* debug-level messages
* @param message
*/
static void debug(const std::string &message)
{
log(message, LOG_DEBUG);
}
/**
* informational
* @param message
*/
static void info(const std::string &message)
{
log(message, LOG_INFO);
}
/**
* normal but significant condition
* @param message
*/
static void notice(const std::string &message)
{
log(message, LOG_NOTICE);
}
/**
* Warning conditions
* @param message
*/
static void warning(const std::string &message)
{
log(message, LOG_WARNING);
}
/**
* error conditions
* @param message
*/
static void error(const std::string &message)
{
log(message, LOG_ERR);
}
/**
* critical conditions
* @param message
*/
static void critical(const std::string &message)
{
log(message, LOG_CRIT);
}
/**
* action must be taken immediately
* @param message
*/
static void alert(const std::string &message)
{
log(message, LOG_ALERT);
}
/**
* system is unusable
* @param message
*/
static void emergency(const std::string &message)
{
log(message, LOG_EMERG);
}
/**
* shutdown the logger
*/
static void shutdown()
{
closelog();
}
private:
static std::string priority_str(std::int32_t priority)
{
switch(priority)
{
case LOG_EMERG: return "emergency";
case LOG_ALERT: return "alert";
case LOG_CRIT: return "critical";
case LOG_ERR: return "error";
case LOG_WARNING: return "warning";
case LOG_NOTICE: return "notice";
case LOG_INFO: return "info";
case LOG_DEBUG: return "debug";
default: return "unknown_priority";
}
}
std::string m_daemon_name;
};
// std::string osdev::components::daemon::m_daemon_name{};
}