ResourcePoolStreamLogger.hh

//********************************************************************
//*** ResourcePool/ResourcePoolStreamLogger.hh
//*** Copyright (c) 2003-2009 by Markus Winand <mws@fatalmind.com>
//*** $Id: ResourcePoolStreamLogger.hh,v 1.6 2009-03-02 14:16:44 mws Exp $
//********************************************************************
/*
This file is part of ResourcePool.

ResourcePool is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2 of 
the License, or (at your option) any later version.

ResourcePool is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with ResourcePool; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307  USA */

#ifndef RESOURCEPOOL_STREAMLOGGER_HH
#define RESOURCEPOOL_STREAMLOGGER_HH

#include <iostream>
#include <time.h>

#include "POSIX/sys/timeval.hh"
#include "ResourcePool/ResourcePoolEventObserver.hh"

namespace fatalmind {

class ResourcePoolStreamLogger: public ResourcePoolEventObserver {
    public:
        ResourcePoolStreamLogger(std::ostream& a_os) 
        : ResourcePoolEventObserver()
        , os(a_os)
        {
        }

        virtual void event(event_t eventID, const std::string& resourceID = NoResourceID, const std::string& message = "N/A") {
            if ((logevents & eventID) != 0) {
                if (logevents & Event.TIME_HIRES) {
                    ::POSIX::timeval t;
                    struct timezone tz;
                    gettimeofday(&t, &tz);
                    os << t << ";" << getEventName(eventID) << ';' <<  resourceID << ';' << message << std::endl;
                } else {
                    os << time(NULL) << ";" << getEventName(eventID) << ';' <<  resourceID << ';' << message << std::endl;
                }
            }
        };

        static ResourcePoolStreamLogger defaultLogger;

    protected:
        virtual Clone* DoClone() const {
            return new ResourcePoolStreamLogger(*this);
        }
    private:
        std::ostream& os;
};

} // namespace fatalmind
#endif

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