MQTemplateProtocolBase.hpp
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00001 /***************************************************************************
00002   tag: Peter Soetens  Thu Oct 22 11:59:07 CEST 2009  MQTemplateProtocol.hpp
00003 
00004                         MQTemplateProtocol.hpp -  description
00005                            -------------------
00006     begin                : Thu October 22 2009
00007     copyright            : (C) 2009 Peter Soetens
00008     email                : peter@thesourcworks.com
00009 
00010  ***************************************************************************
00011  *   This library is free software; you can redistribute it and/or         *
00012  *   modify it under the terms of the GNU General Public                   *
00013  *   License as published by the Free Software Foundation;                 *
00014  *   version 2 of the License.                                             *
00015  *                                                                         *
00016  *   As a special exception, you may use this file as part of a free       *
00017  *   software library without restriction.  Specifically, if other files   *
00018  *   instantiate templates or use macros or inline functions from this     *
00019  *   file, or you compile this file and link it with other files to        *
00020  *   produce an executable, this file does not by itself cause the         *
00021  *   resulting executable to be covered by the GNU General Public          *
00022  *   License.  This exception does not however invalidate any other        *
00023  *   reasons why the executable file might be covered by the GNU General   *
00024  *   Public License.                                                       *
00025  *                                                                         *
00026  *   This library is distributed in the hope that it will be useful,       *
00027  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00028  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00029  *   Lesser General Public License for more details.                       *
00030  *                                                                         *
00031  *   You should have received a copy of the GNU General Public             *
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00035  *                                                                         *
00036  ***************************************************************************/
00037 
00038 
00039 #ifndef ORO_MQ_TEMPATE_PROTOCOL_BASE_HPP
00040 #define ORO_MQ_TEMPATE_PROTOCOL_BASE_HPP
00041 
00042 #include "MQLib.hpp"
00043 #include "../../types/TypeMarshaller.hpp"
00044 #include "MQChannelElement.hpp"
00045 
00046 #include <boost/type_traits/has_virtual_destructor.hpp>
00047 #include <boost/static_assert.hpp>
00048 
00049 namespace RTT
00050 { namespace mqueue
00051   {
00059       template<class T>
00060       class MQTemplateProtocolBase
00061           : public RTT::types::TypeMarshaller
00062       {
00063       public:
00067           typedef T UserType;
00068 
00069           virtual base::ChannelElementBase::shared_ptr createStream(base::PortInterface* port, const ConnPolicy& policy, bool is_sender) const {
00070               try {
00071                   base::ChannelElementBase::shared_ptr mq = new MQChannelElement<T>(port, *this, policy, is_sender);
00072                   if ( !is_sender ) {
00073                       // the receiver needs a buffer to store his messages in.
00074                       base::ChannelElementBase::shared_ptr buf = detail::DataSourceTypeInfo<T>::getTypeInfo()->buildDataStorage(policy);
00075                       mq->setOutput(buf);
00076                   }
00077                   return mq;
00078               } catch(std::exception& e) {
00079                   log(Error) << "Failed to create MQueue Channel element: " << e.what() << endlog();
00080               }
00081               return base::ChannelElementBase::shared_ptr();
00082           }
00083 
00084       };
00085 }
00086 }
00087 
00088 #endif


rtt
Author(s): RTT Developers
autogenerated on Wed Aug 26 2015 16:15:49