source: source/ariba/utility/system/StartupWrapper.cpp@ 12770

// [License]
// The Ariba-Underlay Copyright
//
// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
//
// Institute of Telematics
// UniversitÀt Karlsruhe (TH)
// Zirkel 2, 76128 Karlsruhe
// Germany
//
// Redistribution and use in source and binary forms, with or without
// modification, 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 BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND
// ANY EXPRESS 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 ARIBA PROJECT OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// official policies, either expressed or implied, of the Institute of
// Telematics.
// [License]

// XXX NOTE: Use this class with caution! Config support is outdated.

#include "StartupWrapper.h"
#include "ariba/config.h"

#ifdef HAVE_LOG4CXX
        #include <log4cxx/logger.h>
        #include <log4cxx/basicconfigurator.h>
#endif // HAVE_LOG4CXX

namespace ariba {
namespace utility {

StartupWrapper::ConfigurationList StartupWrapper::configurations;
#ifdef UNDERLAY_OMNET
StartupWrapper::ModuleList StartupWrapper::modules;
#endif

SystemEventType StartupWrapperEventStartup("StartupWrapperEventStartup");

StartupWrapper::StartupWrapper(StartupInterface* _service) : service( _service ){
}

StartupWrapper::~StartupWrapper(){
}

#ifdef UNDERLAY_OMNET
void StartupWrapper::insertCurrentModule(AribaOmnetModule* mod){
        modules.push( mod );
}
#endif

#ifdef UNDERLAY_OMNET
AribaOmnetModule* StartupWrapper::getCurrentModule(){
        assert( modules.size() > 0 );

        AribaOmnetModule* ret = modules.front();
        modules.pop();

        return ret;
}
#endif

void StartupWrapper::startSystem(){

        //
        // having seeded the pseudo rng is always good
        //

        srand( time(NULL) );

        //
        // init the system queue
        //

        if( ! SystemQueue::instance().isRunning() )
                SystemQueue::instance().run();

        //
        // init the logging system
        //

#ifdef HAVE_LOG4CXX
        log4cxx::BasicConfigurator::configure();
#endif //HAVE_LOG4CXX

        //
        // configure the default logging level to info
        //

        logging_rootlevel_info();
}

void StartupWrapper::stopSystem(){
        SystemQueue::instance().cancel();
}

void StartupWrapper::initConfig(string filename){
        configurations.push( filename );
        Configuration::setConfigFilename( filename );
}

void StartupWrapper::handleSystemEvent(const SystemEvent& event){

        if( event.getType() == StartupWrapperEventStartup ){

                if(!configurations.empty()){
                        string config = configurations.front();
                        configurations.pop();
                        Configuration::setConfigFilename( config );
                }

                //
                // start the actual application
                //

                // TODO: im falle von omnet ist service = null, da von SpoVNetOmnetModule so ÃŒbergeben
                // wie wird im Falle von omnet die anwendung erstellt?

                service->startup();

        }

}

void StartupWrapper::startup(StartupInterface* service, bool block){

        StartupWrapper* startup = new StartupWrapper(service);
        service->wrapper = startup;

        SystemQueue::instance().scheduleEvent(
                SystemEvent( startup, StartupWrapperEventStartup, NULL), 0 );

#ifndef UNDERLAY_OMNET
        if( block ) getchar();
#endif
}

void StartupWrapper::shutdown(StartupInterface* service, bool block){

        if( service == NULL || service->wrapper == NULL ) return;

#ifdef UNDERLAY_OMNET
        //TODO: service->shutdown();
#endif

        if(block){
                // call directly
                service->shutdown();
        }else{
                // call async, but not using systemqueue! // TODO: mem leak
                AsyncShutdown* async = new AsyncShutdown(service);
                async->runBlockingMethod();
        }
}

StartupWrapper::AsyncShutdown::AsyncShutdown(StartupInterface* _service)
        : service(_service){
}

void StartupWrapper::AsyncShutdown::blockingFunction(){
        service->shutdown();
}

void StartupWrapper::AsyncShutdown::dispatchFunction(){
        //unused
}

}} // namespace ariba, utility