MQTemplateProtocol.hpp
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1 /***************************************************************************
2  tag: Peter Soetens Thu Oct 22 11:59:07 CEST 2009 MQTemplateProtocol.hpp
3 
4  MQTemplateProtocol.hpp - description
5  -------------------
6  begin : Thu October 22 2009
7  copyright : (C) 2009 Peter Soetens
8  email : peter@thesourcworks.com
9 
10  ***************************************************************************
11  * This library is free software; you can redistribute it and/or *
12  * modify it under the terms of the GNU General Public *
13  * License as published by the Free Software Foundation; *
14  * version 2 of the License. *
15  * *
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17  * software library without restriction. Specifically, if other files *
18  * instantiate templates or use macros or inline functions from this *
19  * file, or you compile this file and link it with other files to *
20  * produce an executable, this file does not by itself cause the *
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22  * License. This exception does not however invalidate any other *
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24  * Public License. *
25  * *
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36  ***************************************************************************/
37 
38 
39 #ifndef ORO_MQ_TEMPATE_PROTOCOL_HPP
40 #define ORO_MQ_TEMPATE_PROTOCOL_HPP
41 
42 #include "MQLib.hpp"
43 #include "../../types/TypeMarshaller.hpp"
44 #include "MQChannelElement.hpp"
46 
47 #include <boost/type_traits/has_virtual_destructor.hpp>
48 #include <boost/static_assert.hpp>
49 
50 namespace RTT
51 { namespace mqueue
52  {
60  template<class T>
62  : public MQTemplateProtocolBase<T>
63  {
64  public:
70  BOOST_STATIC_ASSERT( !boost::has_virtual_destructor<T>::value );
74  typedef T UserType;
75 
76  virtual std::pair<void const*,int> fillBlob( base::DataSourceBase::shared_ptr source, void* blob, int size, void* cookie) const
77  {
78  if ( sizeof(T) <= (unsigned int)size)
79  return std::make_pair(source->getRawConstPointer(), int(sizeof(T)));
80  return std::make_pair((void const*)0,int(0));
81  }
82 
83  virtual bool updateFromBlob(const void* blob, int size, base::DataSourceBase::shared_ptr target, void* cookie) const
84  {
86  assert( size == sizeof(T) );
87  if ( ad ) {
88  ad->set( *(T*)(blob) );
89  return true;
90  }
91  return false;
92  }
93 
94  virtual unsigned int getSampleSize(base::DataSourceBase::shared_ptr ignored, void* cookie) const
95  {
96  // re-implement this in case of complex types, like std::vector<T>.
97  return sizeof(T);
98  }
99  };
100 }
101 }
102 
103 #endif
virtual void set(param_t t)=0
virtual unsigned int getSampleSize(base::DataSourceBase::shared_ptr ignored, void *cookie) const
static AssignableDataSource< T > * narrow(base::DataSourceBase *db)
virtual std::pair< void const *, int > fillBlob(base::DataSourceBase::shared_ptr source, void *blob, int size, void *cookie) const
boost::intrusive_ptr< AssignableDataSource< T > > shared_ptr
Definition: DataSource.hpp:198
BOOST_STATIC_ASSERT(!boost::has_virtual_destructor< T >::value)
boost::intrusive_ptr< DataSourceBase > shared_ptr
Contains TaskContext, Activity, OperationCaller, Operation, Property, InputPort, OutputPort, Attribute.
Definition: Activity.cpp:53
virtual bool updateFromBlob(const void *blob, int size, base::DataSourceBase::shared_ptr target, void *cookie) const


rtt
Author(s): RTT Developers
autogenerated on Tue Jun 25 2019 19:33:25