Orocos Real-Time Toolkit
2.5.0
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00001 /*************************************************************************** 00002 tag: The SourceWorks Tue Sep 7 00:55:18 CEST 2010 SendHandle.hpp 00003 00004 SendHandle.hpp - description 00005 ------------------- 00006 begin : Tue September 07 2010 00007 copyright : (C) 2010 The SourceWorks 00008 email : peter@thesourceworks.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 * 00032 * License along with this library; if not, write to the Free Software * 00033 * Foundation, Inc., 59 Temple Place, * 00034 * Suite 330, Boston, MA 02111-1307 USA * 00035 * * 00036 ***************************************************************************/ 00037 00038 00039 #ifndef ORO_CORELIB_SEND_HANDLE_HPP 00040 #define ORO_CORELIB_SEND_HANDLE_HPP 00041 00042 #include "rtt-config.h" 00043 #include "Logger.hpp" 00044 #include "internal/CollectSignature.hpp" 00045 #include "internal/CollectBase.hpp" 00046 #include "internal/ReturnSignature.hpp" 00047 #include "internal/ReturnBase.hpp" 00048 #include <boost/type_traits.hpp> 00049 00050 namespace RTT 00051 { 00057 template<class Signature> 00058 class SendHandle 00059 : public internal::CollectSignature<boost::function_traits<typename internal::CollectType<Signature>::Ft>::arity, 00060 typename internal::CollectType<Signature>::Ft, 00061 internal::CollectBase<Signature>* >, 00062 public internal::ReturnSignature<boost::function_traits<Signature>::arity, 00063 Signature, 00064 typename internal::CollectBase<Signature>::shared_ptr > 00065 { 00066 public: 00067 typedef internal::CollectSignature<boost::function_traits<typename internal::CollectType<Signature>::Ft>::arity, 00068 typename internal::CollectType<Signature>::Ft, 00069 internal::CollectBase<Signature>* > CBase; 00070 typedef internal::ReturnSignature<boost::function_traits<Signature>::arity, 00071 Signature, 00072 typename internal::CollectBase<Signature>::shared_ptr > RBase; 00076 SendHandle() {} 00077 00078 SendHandle(typename internal::CollectBase<Signature>::shared_ptr coll) : CBase( coll.get() ), RBase(coll) {} 00079 00083 SendHandle(const SendHandle& hs) : CBase(hs.cimpl), RBase(hs.impl) {} 00084 00088 ~SendHandle() { 00089 //impl->dispose(); 00090 } 00091 00092 SendHandle& operator=(base::DisposableInterface* implementation) 00093 { 00094 if (this->RBase::impl && this->RBase::impl == implementation) 00095 return *this; 00096 this->RBase::impl.reset( boost::dynamic_pointer_cast< internal::ReturnBase<Signature> >(implementation) ); 00097 if ( !this->RBase::impl && implementation ) { 00098 log(Error) << "Tried to assign SendHandle from incompatible type."<< endlog(); 00099 } 00100 this->CBase::cimpl = dynamic_cast< internal::CollectBase<Signature>* >(implementation); 00101 if ( !this->CBase::cimpl && implementation ) { 00102 log(Error) << "Tried to assign SendHandle from incompatible type."<< endlog(); 00103 } 00104 return *this; 00105 } 00106 00111 operator bool() const { return ready();} 00112 00117 bool ready() const { return this->CBase::cimpl && this->RBase::impl ;} 00118 00119 using CBase::collect; 00120 00124 SendStatus collect() 00125 { 00126 if (this->impl) 00127 return this->impl->collect(); 00128 return SendFailure; 00129 } 00130 protected: 00131 }; 00132 } 00133 #endif