asyncappender.h

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// -*- C++ -*-
// Module:  Log4cplus
// File:    asyncappender.h
// Created: 1/2009
// Author:  Vaclav Haisman
//
//
//  Copyright (C) 2009-2017, Vaclav Haisman. All rights reserved.
//
//  Redistribution and use in source and binary forms, with or without modifica-
//  tion, are permitted provided that the following conditions are met:
//
//  1. Redistributions of  source code must  retain the above copyright  notice,
//     this list of conditions and the following disclaimer.
//
//  2. Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//
//  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
//  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
//  FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
//  APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
//  INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
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//  OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
//  ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
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//  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
//
 
#ifndef LOG4CPLUS_ASYNCAPPENDER_H
#define LOG4CPLUS_ASYNCAPPENDER_H
 
#include <log4cplus/config.hxx>
 
#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
#pragma once
#endif
 
#ifndef LOG4CPLUS_SINGLE_THREADED
 
#include <log4cplus/helpers/queue.h>
#include <log4cplus/appender.h>
#include <log4cplus/thread/threads.h>
#include <log4cplus/helpers/appenderattachableimpl.h>
 
 
namespace log4cplus
{
 
 
class LOG4CPLUS_EXPORT AsyncAppender
    : public Appender
    , public helpers::AppenderAttachableImpl
{
public:
    AsyncAppender (SharedAppenderPtr const & app, unsigned max_len);
    AsyncAppender (helpers::Properties const &);
    virtual ~AsyncAppender ();
 
    virtual void close ();
 
protected:
    virtual void append (spi::InternalLoggingEvent const &);
 
    void init_queue_thread (unsigned);
 
    thread::AbstractThreadPtr queue_thread;
    thread::QueuePtr queue;
 
private:
    AsyncAppender (AsyncAppender const &);
    AsyncAppender & operator = (AsyncAppender const &);
};
 
 
typedef helpers::SharedObjectPtr<AsyncAppender> AsyncAppenderPtr;
 
 
} // namespace log4cplus
 
 
#endif // LOG4CPLUS_SINGLE_THREADED
 
#endif // LOG4CPLUS_ASYNCAPPENDER_H