Appender.hh

Go to the documentation of this file.

/*
 * Appender.hh
 *
 * Copyright 2000, LifeLine Networks BV (www.lifeline.nl). All rights reserved.
 * Copyright 2000, Bastiaan Bakker. All rights reserved.
 *
 * See the COPYING file for the terms of usage and distribution.
 */

#ifndef _LOG4CPP_APPENDER_HH
#define _LOG4CPP_APPENDER_HH

#include <log4cpp/Portability.hh>
#include <string>
#include <map>
#include <set>
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <log4cpp/Priority.hh>
#include <log4cpp/Layout.hh>
#include <log4cpp/LoggingEvent.hh>
#include <log4cpp/threading/Threading.hh>

LOG4CPP_NS_BEGIN
class LOG4CPP_EXPORT Filter;

class LOG4CPP_EXPORT Appender {
public:

    // helps cleaning up
    friend class HierarchyMaintainer;

    static Appender* getAppender(const std::string& name);

    static bool reopenAll();

    static void closeAll();

protected:
    Appender(const std::string& name);

public:
    virtual ~Appender();

    virtual void doAppend(const LoggingEvent& event) = 0;

    virtual bool reopen() = 0;

    virtual void close() = 0;

    virtual bool requiresLayout() const = 0;

    virtual void setLayout(Layout* layout) = 0;

    inline const std::string& getName() const { return _name; };

    virtual void setThreshold(Priority::Value priority) = 0;

    virtual Priority::Value getThreshold() = 0;

    virtual void setFilter(Filter* filter) = 0;

    virtual Filter* getFilter() = 0;

private:
    typedef std::map<std::string, Appender*> AppenderMap;

    static AppenderMap* _allAppenders;
    static threading::Mutex _appenderMapMutex;

    static AppenderMap& _getAllAppenders();
    static void _deleteAllAppenders();
    static void _addAppender(Appender* appender);
    static void _removeAppender(Appender* appender);

    const std::string _name;
private:
    // suppress assignment operator
    Appender & operator=(const Appender &);
};

typedef std::set<Appender *> AppenderSet;
LOG4CPP_NS_END

#endif // _LOG4CPP_APPENDER_HH