Orocos Real-Time Toolkit  2.6.0
OutputPortInterface.cpp
00001 /***************************************************************************
00002   tag: Peter Soetens  Thu Oct 22 11:59:07 CEST 2009  OutputPortInterface.cpp
00003 
00004                         OutputPortInterface.cpp -  description
00005                            -------------------
00006     begin                : Thu October 22 2009
00007     copyright            : (C) 2009 Sylvain Joyeux
00008     email                : sylvain.joyeux@m4x.org
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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00033  *   Foundation, Inc., 59 Temple Place,                                    *
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00035  *                                                                         *
00036  ***************************************************************************/
00037 
00038 
00039 #include "PortInterface.hpp"
00040 #include "OutputPortInterface.hpp"
00041 #include "InputPortInterface.hpp"
00042 #include <exception>
00043 #include <stdexcept>
00044 
00045 using namespace RTT;
00046 using namespace RTT::detail;
00047 using namespace std;
00048 
00049 
00050 OutputPortInterface::OutputPortInterface(std::string const& name)
00051     : PortInterface(name), cmanager(this) { }
00052 
00053 OutputPortInterface::~OutputPortInterface()
00054 {
00055     cmanager.disconnect();
00056 }
00057 
00059 bool OutputPortInterface::connected() const
00060 { return cmanager.connected(); }
00061 
00062 bool OutputPortInterface::disconnect(PortInterface* port)
00063 {
00064     return cmanager.disconnect(port);
00065 }
00066 
00067 void OutputPortInterface::disconnect()
00068 {
00069     cmanager.disconnect();
00070 }
00071 
00072 bool OutputPortInterface::addConnection(ConnID* port_id, ChannelElementBase::shared_ptr channel_input, ConnPolicy const& policy)
00073 {
00074     if ( this->connectionAdded(channel_input, policy) ) {
00075         cmanager.addConnection(port_id, channel_input, policy);
00076         return true;
00077     }
00078     return false;
00079 }
00080 
00081 // This is called by our input endpoint.
00082 bool OutputPortInterface::removeConnection(ConnID* conn)
00083 {
00084     return cmanager.removeConnection(conn);
00085 }
00086 
00087 
00088 void OutputPortInterface::write(DataSourceBase::shared_ptr source)
00089 { throw std::runtime_error("calling default OutputPortInterface::write(datasource) implementation"); }
00090 
00091 bool OutputPortInterface::createDataConnection( InputPortInterface& input, int lock_policy )
00092 { return createConnection( input, ConnPolicy::data(lock_policy) ); }
00093 
00094 bool OutputPortInterface::createBufferConnection( InputPortInterface& input, int size, int lock_policy )
00095 { return createConnection( input, ConnPolicy::buffer(size, lock_policy) ); }
00096 
00097 bool OutputPortInterface::createConnection( InputPortInterface& input )
00098 { return createConnection(input, input.getDefaultPolicy()); }
00099 
00100 bool OutputPortInterface::connectTo(PortInterface* other, ConnPolicy const& policy)
00101 {
00102     InputPortInterface* input  = dynamic_cast<InputPortInterface*>(other);
00103     if (! input)
00104         return false;
00105     return createConnection(*input, policy);
00106 }
00107 
00108 bool OutputPortInterface::connectTo(PortInterface* other)
00109 {
00110     InputPortInterface* input  = dynamic_cast<InputPortInterface*>(other);
00111     if (! input)
00112         return false;
00113     return createConnection(*input);
00114 }