dynamicfactory.cpp

网络游戏通用架构, 这是基于boost和libevent写的一个程序

#include "dynamicfactory.h"

#include "factory.h"


DynamicFactory::DynamicFactory( const string& __filename, const string& __getFactory_func_name )
: _filename(__filename), _getFactory_func_name(__getFactory_func_name)
{
    _factory= NULL;
}


DynamicFactory::~DynamicFactory()
{
    unload();
}


bool DynamicFactory::load(void)//return true if succeeded
{
    if( !_factory ){
        bool ret= _lib.load( _filename );
        if( ret ){//loaded
            GetFactoryFunc getFactory= static_cast<GetFactoryFunc>( _lib.getSymbol( _getFactory_func_name ) );
            if( getFactory ){
                _factory= getFactory();
                if( _factory ){
                    return true;
                }
            }
        }
    }
    return false;
}


void* DynamicFactory::newInstance( const string& __name )
{
    if( _factory ){
        return _factory->newInstance( __name );
    }else{
        return NULL;
    }
}


void* DynamicFactory::newInstance( const int __type )
{
    if( _factory ){
        return _factory->newInstance( __type );
    }else{
        return NULL;
    }
}


void DynamicFactory::parse_types( string& __typetab_filename )
{
    if( _factory ){
        _factory->parse_types( __typetab_filename );
    }
}


void DynamicFactory::unload(void)
{
    _factory= NULL;
    _lib.unload();
}