ClickHouse/contrib/libpoco/Foundation/include/Poco/SyslogChannel.h

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//
// SyslogChannel.h
//
// $Id: //poco/1.4/Foundation/include/Poco/SyslogChannel.h#1 $
//
// Library: Foundation
// Package: Logging
// Module: SyslogChannel
//
// Definition of the SyslogChannel class specific to UNIX.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_SyslogChannel_INCLUDED
#define Foundation_SyslogChannel_INCLUDED
#include "Poco/Foundation.h"
#include "Poco/Channel.h"
namespace Poco {
class Foundation_API SyslogChannel: public Channel
/// This Unix-only channel works with the Unix syslog service.
{
public:
enum Option
{
SYSLOG_PID = 0x01, /// log the pid with each message
SYSLOG_CONS = 0x02, /// log on the console if errors in sending
SYSLOG_NDELAY = 0x08, /// don't delay open
SYSLOG_PERROR = 0x20 /// log to stderr as well (not supported on all platforms)
};
enum Facility
{
SYSLOG_KERN = ( 0<<3), /// kernel messages
SYSLOG_USER = ( 1<<3), /// random user-level messages
SYSLOG_MAIL = ( 2<<3), /// mail system
SYSLOG_DAEMON = ( 3<<3), /// system daemons
SYSLOG_AUTH = ( 4<<3), /// security/authorization messages
SYSLOG_SYSLOG = ( 5<<3), /// messages generated internally by syslogd
SYSLOG_LPR = ( 6<<3), /// line printer subsystem
SYSLOG_NEWS = ( 7<<3), /// network news subsystem
SYSLOG_UUCP = ( 8<<3), /// UUCP subsystem
SYSLOG_CRON = ( 9<<3), /// clock daemon
SYSLOG_AUTHPRIV = (10<<3), /// security/authorization messages (private)
SYSLOG_FTP = (11<<3), /// ftp daemon
SYSLOG_LOCAL0 = (16<<3), /// reserved for local use
SYSLOG_LOCAL1 = (17<<3), /// reserved for local use
SYSLOG_LOCAL2 = (18<<3), /// reserved for local use
SYSLOG_LOCAL3 = (19<<3), /// reserved for local use
SYSLOG_LOCAL4 = (20<<3), /// reserved for local use
SYSLOG_LOCAL5 = (21<<3), /// reserved for local use
SYSLOG_LOCAL6 = (22<<3), /// reserved for local use
SYSLOG_LOCAL7 = (23<<3) /// reserved for local use
};
SyslogChannel();
/// Creates a SyslogChannel.
SyslogChannel(const std::string& name, int options = SYSLOG_CONS, int facility = SYSLOG_USER);
/// Creates a SyslogChannel with the given name, options and facility.
void open();
/// Opens the SyslogChannel.
void close();
/// Closes the SyslogChannel.
void log(const Message& msg);
/// Sens the message's text to the syslog service.
void setProperty(const std::string& name, const std::string& value);
/// Sets the property with the given value.
///
/// The following properties are supported:
/// * name: The name used to identify the source of log messages.
/// * facility: The facility added to each log message. See the Facility enumeration for a list of supported values.
/// * options: The logging options. See the Option enumeration for a list of supported values.
std::string getProperty(const std::string& name) const;
/// Returns the value of the property with the given name.
static const std::string PROP_NAME;
static const std::string PROP_FACILITY;
static const std::string PROP_OPTIONS;
protected:
~SyslogChannel();
static int getPrio(const Message& msg);
private:
std::string _name;
int _options;
int _facility;
bool _open;
};
} // namespace Poco
#endif // Foundation_SyslogChannel_INCLUDED