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2022-10-26 12:25:11 +08:00

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/*
* Copyright 2003,2004 The Apache Software Foundation.
*
* 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 _LOG4CXX_NET_SYSLOG_APPENDER_H
#define _LOG4CXX_NET_SYSLOG_APPENDER_H
#include <log4cxx/appenderskeleton.h>
#include <log4cxx/helpers/syslogwriter.h>
#ifndef HAVE_SYSLOG
#endif
namespace log4cxx
{
namespace net
{
class SyslogAppender;
typedef helpers::ObjectPtrT<SyslogAppender> SyslogAppenderPtr;
/** Use SyslogAppender to send log messages to a remote syslog daemon.*/
class LOG4CXX_EXPORT SyslogAppender : public AppenderSkeleton
{
public:
DECLARE_LOG4CXX_OBJECT(SyslogAppender)
BEGIN_LOG4CXX_CAST_MAP()
LOG4CXX_CAST_ENTRY(SyslogAppender)
LOG4CXX_CAST_ENTRY_CHAIN(AppenderSkeleton)
END_LOG4CXX_CAST_MAP()
SyslogAppender();
SyslogAppender(const LayoutPtr& layout, int syslogFacility);
SyslogAppender(const LayoutPtr& layout,
const String& syslogHost, int syslogFacility);
~SyslogAppender();
/** Release any resources held by this SyslogAppender.*/
void close();
/**
Returns the specified syslog facility as a lower-case String,
e.g. "kern", "user", etc.
*/
static String getFacilityString(int syslogFacility);
/**
Returns the integer value corresponding to the named syslog
facility, or -1 if it couldn't be recognized.
@param facilityName one of the strings KERN, USER, MAIL, DAEMON,
AUTH, SYSLOG, LPR, NEWS, UUCP, CRON, AUTHPRIV, FTP, LOCAL0,
LOCAL1, LOCAL2, LOCAL3, LOCAL4, LOCAL5, LOCAL6, LOCAL7.
The matching is case-insensitive.
*/
static int getFacility(const String &facilityName);
void append(const spi::LoggingEventPtr& event);
/**
This method returns immediately as options are activated when they
are set.
*/
void activateOptions();
void setOption(const String& option, const String& value);
/**
The SyslogAppender requires a layout. Hence, this method returns
<code>true</code>.
*/
virtual bool requiresLayout() const
{ return true; }
/**
The <b>SyslogHost</b> option is the name of the the syslog host
where log output should go.
<b>WARNING</b> If the SyslogHost is not set, then this appender
will fail.
*/
void setSyslogHost(const String& syslogHost);
/**
Returns the value of the <b>SyslogHost</b> option.
*/
inline const String& getSyslogHost() const
{ return syslogHost; }
/**
Set the syslog facility. This is the <b>Facility</b> option.
<p>The <code>facilityName</code> parameter must be one of the
strings KERN, USER, MAIL, DAEMON, AUTH, SYSLOG, LPR, NEWS, UUCP,
CRON, AUTHPRIV, FTP, LOCAL0, LOCAL1, LOCAL2, LOCAL3, LOCAL4,
LOCAL5, LOCAL6, LOCAL7. Case is unimportant.
*/
void setFacility(const String& facilityName);
/**
Returns the value of the <b>Facility</b> option.
*/
inline String getFacility() const
{ return getFacilityString(syslogFacility); }
/**
If the <b>FacilityPrinting</b> option is set to true, the printed
message will include the facility name of the application. It is
<em>false</em> by default.
*/
inline void setFacilityPrinting(bool facilityPrinting)
{ this->facilityPrinting = facilityPrinting; }
/**
Returns the value of the <b>FacilityPrinting</b> option.
*/
inline bool getFacilityPrinting() const
{ return facilityPrinting; }
protected:
void initSyslogFacilityStr();
int syslogFacility; // Have LOG_USER as default
String facilityStr;
bool facilityPrinting;
helpers::SyslogWriter * sw;
String syslogHost;
}; // class SyslogAppender
} // namespace net
}; // namespace log4cxx
#endif // _LOG4CXX_NET_SYSLOG_APPENDER_H