buffer_appender_impl.h

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// Copyright (C) 2012-2015 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
#ifndef LOG_BUFFER_H
#define LOG_BUFFER_H
 
#include <exceptions/exceptions.h>
 
#include <log4cplus/logger.h>
#include <log4cplus/spi/loggingevent.h>
#include <boost/shared_ptr.hpp>
 
namespace isc {
namespace log {
namespace internal {
 
class LogBufferAddAfterFlush : public isc::Exception {
public:
    LogBufferAddAfterFlush(const char* file, size_t line, const char* what) :
        isc::Exception(file, line, what)
    {}
};
 
typedef boost::shared_ptr<log4cplus::spi::InternalLoggingEvent> LogEventPtr;
 
typedef std::pair<std::string, LogEventPtr> LevelAndEvent;
 
typedef std::vector<LevelAndEvent> LogEventList;
 
class BufferAppender : public log4cplus::Appender {
public:
    BufferAppender() : flushed_(false) {}
 
    virtual ~BufferAppender();
 
    virtual void close() {}
 
    void flush();
 
    size_t getBufferSize() const;
 
protected:
    virtual void append(const log4cplus::spi::InternalLoggingEvent& event);
private:
    void flushStdout();
 
    LogEventList stored_;
    bool flushed_;
};
 
} // end namespace internal
} // end namespace log
} // end namespace isc
 
#endif // LOG_BUFFER_H