[31] | 1 | /* -*-c++-*- osgVisual - Copyright (C) 2009-2010 Torben Dannhauer |
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| 2 | * |
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| 3 | * This library is based on OpenSceneGraph, open source and may be redistributed and/or modified under |
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| 4 | * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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| 5 | * (at your option) any later version. The full license is in LICENSE file |
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| 6 | * included with this distribution, and on the openscenegraph.org website. |
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| 7 | * |
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| 8 | * osgVisual requires for some proprietary modules a license from the correspondig manufacturer. |
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| 9 | * You have to aquire licenses for all used proprietary modules. |
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| 10 | * |
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| 11 | * This library is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | * OpenSceneGraph Public License for more details. |
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| 15 | */ |
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| 16 | |
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| 17 | #include "visual_dataIO.h" |
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| 18 | |
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| 19 | using namespace osgVisual; |
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| 20 | |
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| 21 | visual_dataIO::visual_dataIO() |
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| 22 | { |
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| 23 | OSG_NOTIFY( osg::ALWAYS ) << "visual_dataIO constructed" << std::endl; |
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| 24 | |
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| 25 | initialized = false; |
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| 26 | } |
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| 27 | |
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| 28 | visual_dataIO::~visual_dataIO() |
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| 29 | { |
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| 30 | OSG_NOTIFY( osg::ALWAYS ) << "visual_dataIO destructed" << std::endl; |
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| 31 | } |
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| 32 | |
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| 33 | visual_dataIO* visual_dataIO::getInstance() |
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| 34 | { |
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| 35 | static visual_dataIO instance; |
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| 36 | return &instance; |
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| 37 | }; |
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| 38 | |
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| 39 | void visual_dataIO::init(osgViewer::Viewer* viewer_, osg::ArgumentParser& arguments_) |
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| 40 | { |
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| 41 | OSG_NOTIFY( osg::ALWAYS ) << "visual_dataIO init()" << std::endl; |
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| 42 | |
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| 43 | // Init variables |
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| 44 | viewer = viewer_; |
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| 45 | |
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| 46 | // Parse operating Mode |
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| 47 | if (arguments_.read("-m")) |
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| 48 | { |
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| 49 | OSG_NOTIFY( osg::ALWAYS ) << "Configure osgVisual as MASTER" << std::endl; |
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| 50 | clusterMode = osgVisual::dataIO_cluster::MASTER; |
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| 51 | // Create Container: |
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| 52 | slotContainer = new osgVisual::dataIO_transportContainer(); |
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| 53 | } |
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| 54 | else if (arguments_.read("-s")) |
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| 55 | { |
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| 56 | OSG_NOTIFY( osg::ALWAYS ) << "Configure osgVisual as SLAVE" << std::endl; |
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| 57 | clusterMode = osgVisual::dataIO_cluster::SLAVE; |
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| 58 | // Slave only recieves container, therefor set this Pointer null. |
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| 59 | slotContainer = NULL; |
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| 60 | } |
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| 61 | else |
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| 62 | { |
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| 63 | OSG_NOTIFY( osg::ALWAYS ) << "Configure osgVisual as STANDALONE" << std::endl; |
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| 64 | clusterMode = osgVisual::dataIO_cluster::STANDALONE; |
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| 65 | // Create Container: |
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| 66 | slotContainer = new osgVisual::dataIO_transportContainer(); |
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| 67 | } |
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| 68 | |
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| 69 | // Create Cluster. |
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| 70 | #ifdef USE_CLUSTER_DUMMY |
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| 71 | cluster = new dataIO_clusterDummy(); |
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| 72 | #endif |
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| 73 | #ifdef USE_CLUSTER_UDP |
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| 74 | cluster = new dataIO_clusterUDP(); |
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| 75 | #endif |
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| 76 | cluster->init(arguments_, slotContainer, true, false); |
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| 77 | |
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| 78 | // Create extLink. |
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| 79 | #ifdef USE_EXTLINK_DUMMY |
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| 80 | extLink = new dataIO_extLinkDummy( dataSlots ); |
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| 81 | #endif |
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| 82 | #ifdef USE_EXTLINK_VCL |
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| 83 | extLink = new dataIO_extLinkVCL( dataSlots ); |
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| 84 | #endif |
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| 85 | extLink->init(); |
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| 86 | |
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| 87 | |
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| 88 | |
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| 89 | // Install callbacks to perform DataIO activities every frame: |
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| 90 | //// EventCallback at the absolute beginning of the frame |
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| 91 | eventCallback = new dataIO_eventCallback(this); |
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| 92 | viewer->getCamera()->setEventCallback( eventCallback ); |
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| 93 | //// FinalDrawCallback at the end of event and update handling, but BEFORE rendering the frame |
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| 94 | finalDrawCallback = new dataIO_finalDrawCallback(this); |
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| 95 | viewer->getCamera()->setFinalDrawCallback( finalDrawCallback ); |
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| 96 | |
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| 97 | |
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| 98 | initialized = true; |
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| 99 | } |
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| 100 | |
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| 101 | void visual_dataIO::shutdown() |
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| 102 | { |
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| 103 | if(initialized) |
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| 104 | { |
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| 105 | OSG_NOTIFY( osg::ALWAYS ) << "Shutdown visual_dataIO..." << std::endl; |
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| 106 | |
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| 107 | viewer->getCamera()->removeEventCallback( NULL ); |
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| 108 | eventCallback = NULL; |
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| 109 | viewer->getCamera()->setFinalDrawCallback( NULL ); |
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| 110 | finalDrawCallback = NULL; |
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| 111 | viewer = NULL; |
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| 112 | |
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| 113 | cluster->shutdown(); |
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| 114 | extLink->shutdown(); |
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| 115 | } |
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| 116 | } |
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| 117 | |
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| 118 | void visual_dataIO::dataIO_eventCallback::operator()(osg::Node* node, osg::NodeVisitor* nv) |
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| 119 | { |
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| 120 | // perform all actions for the eventDrawCallback. |
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| 121 | OSG_NOTIFY( osg::INFO ) << "---- Executing EventCallback.." << std::endl; |
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| 122 | |
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| 123 | switch( dataIO->clusterMode ) |
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| 124 | { |
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| 125 | case osgVisual::dataIO_cluster::MASTER : |
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| 126 | { |
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| 127 | dataIO->extLink->readTO_OBJvalues(); |
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| 128 | dataIO->cluster->sendTO_OBJvaluesToSlaves(); |
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| 129 | } |
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| 130 | break; |
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| 131 | case osgVisual::dataIO_cluster::SLAVE : |
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| 132 | { |
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| 133 | dataIO->cluster->readTO_OBJvaluesFromMaster(); |
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| 134 | } |
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| 135 | break; |
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| 136 | case osgVisual::dataIO_cluster::STANDALONE : |
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| 137 | { |
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| 138 | dataIO->extLink->readTO_OBJvalues(); |
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| 139 | } |
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| 140 | break; |
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| 141 | default: |
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| 142 | OSG_NOTIFY( osg::FATAL ) << "ERROR: Unkown clustermode!" << std::endl; |
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| 143 | break; |
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| 144 | }; |
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| 145 | } |
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| 146 | |
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| 147 | void visual_dataIO::dataIO_finalDrawCallback::operator() (const osg::Camera& camera) const |
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| 148 | { |
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| 149 | // perform all actions for the initialDrawCallback. |
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| 150 | OSG_NOTIFY( osg::INFO ) << "---- Executing InitialDrawCallback.." << std::endl; |
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| 151 | |
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| 152 | switch( dataIO->clusterMode ) |
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| 153 | { |
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| 154 | case osgVisual::dataIO_cluster::MASTER : |
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| 155 | { |
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| 156 | dataIO->extLink->writebackFROM_OBJvalues(); |
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| 157 | dataIO->cluster->waitForAllReadyToSwap(); |
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| 158 | dataIO->cluster->sendSwapCommand(); |
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| 159 | } |
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| 160 | break; |
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| 161 | case osgVisual::dataIO_cluster::SLAVE : |
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| 162 | { |
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| 163 | dataIO->cluster->reportAsReadyToSwap(); |
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| 164 | dataIO->cluster->waitForSwap(); |
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| 165 | } |
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| 166 | break; |
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| 167 | case osgVisual::dataIO_cluster::STANDALONE : |
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| 168 | { |
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| 169 | dataIO->extLink->writebackFROM_OBJvalues(); |
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| 170 | } |
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| 171 | break; |
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| 172 | default: |
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| 173 | OSG_NOTIFY( osg::FATAL ) << "ERROR: visual_dataIO::dataIO_finalDrawCallback::operator() - Unkown clustermode!" << std::endl; |
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| 174 | break; |
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| 175 | }; |
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| 176 | } |
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| 177 | |
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| 178 | void* visual_dataIO::getSlotPointer(std::string variableName_, osgVisual::dataIO_slot::dataDirection direction_, osgVisual::dataIO_slot::varType variableTyp_ ) |
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| 179 | { |
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| 180 | // iterate through slotlist. If found, return pointer, else add slot to list and return pointer |
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| 181 | for (unsigned int i=0; i<dataSlots.size(); i++) |
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| 182 | { |
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| 183 | // Check if this variable name&-type already exists |
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| 184 | if( dataSlots[i].variableName == variableName_ && dataSlots[i].direction == direction_ && dataSlots[i].variableType == variableTyp_) |
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| 185 | { |
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| 186 | //OSG_NOTIFY( osg::INFO ) << "visual_dataIO::getSlotPointer() - Slot found at position " << i << std::endl; |
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| 187 | // Return pointer to the value |
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| 188 | if (variableTyp_ == osgVisual::dataIO_slot::STRING ) |
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| 189 | return &(dataSlots[i].sValue); |
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| 190 | else |
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| 191 | return &(dataSlots[i].value); |
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| 192 | } |
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| 193 | } |
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| 194 | |
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| 195 | // Slot does not exist -> add it to slot list |
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| 196 | //OSG_NOTIFY( osg::INFO ) << "visual_dataIO::getSlotPointer() - Slot not found, will add as new slot " << std::endl; |
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| 197 | dataIO_slot newSlot; |
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| 198 | newSlot.variableName = variableName_; |
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| 199 | newSlot.variableType = variableTyp_; |
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| 200 | newSlot.value = 0; |
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| 201 | newSlot.sValue = ""; |
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| 202 | dataSlots.push_back( newSlot ); |
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| 203 | if (variableTyp_ == osgVisual::dataIO_slot::STRING ) |
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| 204 | return &(dataSlots.back().sValue); |
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| 205 | else |
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| 206 | { |
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| 207 | return &(dataSlots.back().value); |
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| 208 | } |
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| 209 | } |
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| 210 | |
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| 211 | double visual_dataIO::getSlotDataAsDouble(std::string variableName_, osgVisual::dataIO_slot::dataDirection direction_ ) |
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| 212 | { |
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| 213 | // iterate through slotlist. If found, return value |
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| 214 | for (unsigned int i=0; i<dataSlots.size(); i++) |
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| 215 | { |
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| 216 | // Check if this variable name&-type already exists |
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| 217 | if( dataSlots[i].variableName == variableName_ && dataSlots[i].direction == direction_ && dataSlots[i].variableType == osgVisual::dataIO_slot::DOUBLE ) |
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| 218 | { |
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| 219 | //OSG_NOTIFY( osg::INFO ) << "visual_dataIO::getSlotDataAsDouble() - Slot found at position " << i << std::endl; |
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| 220 | return dataSlots[i].value; |
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| 221 | } |
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| 222 | } |
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| 223 | return 0; |
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| 224 | } |
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| 225 | |
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| 226 | std::string visual_dataIO::getSlotDataAsString(std::string variableName_, osgVisual::dataIO_slot::dataDirection direction_ ) |
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| 227 | { |
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| 228 | // iterate through slotlist. If found, return value |
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| 229 | for (unsigned int i=0; i<dataSlots.size(); i++) |
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| 230 | { |
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| 231 | // Check if this variable name&-type already exists |
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| 232 | if( dataSlots[i].variableName == variableName_ && dataSlots[i].direction == direction_ && dataSlots[i].variableType == osgVisual::dataIO_slot::STRING ) |
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| 233 | { |
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| 234 | //OSG_NOTIFY( osg::INFO ) << "visual_dataIO::getSlotDataAsDouble() - Slot found at position " << i << std::endl; |
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| 235 | return dataSlots[i].sValue; |
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| 236 | } |
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| 237 | } |
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| 238 | return ""; |
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| 239 | } |
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| 240 | |
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| 241 | void visual_dataIO::setSlotData(std::string variableName_, osgVisual::dataIO_slot::dataDirection direction_, std::string sValue_ ) |
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| 242 | { |
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| 243 | bool slotFound = false; |
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| 244 | // iterate through slotlist. If found, return pointer, else add slot to list |
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| 245 | for (unsigned int i=0; i<dataSlots.size(); i++) |
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| 246 | { |
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| 247 | // Check if this variable name&-type already exists |
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| 248 | if( dataSlots[i].variableName == variableName_ && dataSlots[i].direction == direction_ && dataSlots[i].variableType == osgVisual::dataIO_slot::STRING) |
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| 249 | { |
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| 250 | // Update value |
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| 251 | dataSlots[i].sValue = sValue_; |
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| 252 | slotFound = true; |
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| 253 | } |
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| 254 | |
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| 255 | } |
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| 256 | |
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| 257 | if (!slotFound) |
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| 258 | { |
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| 259 | // Slot does not exist -> add it to slot list |
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| 260 | dataIO_slot newSlot; |
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| 261 | newSlot.variableName = variableName_; |
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| 262 | newSlot.direction = direction_; |
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| 263 | newSlot.variableType = osgVisual::dataIO_slot::STRING; |
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| 264 | newSlot.value = 0; |
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| 265 | newSlot.sValue = sValue_; |
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| 266 | dataSlots.push_back( newSlot ); |
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| 267 | } |
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| 268 | } |
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| 269 | |
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| 270 | void visual_dataIO::setSlotData(std::string variableName_, osgVisual::dataIO_slot::dataDirection direction_, double value_ ) |
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| 271 | { |
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| 272 | // iterate through slotlist. If found, return pointer, else add slot to list |
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| 273 | bool slotFound = false; |
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| 274 | for (unsigned int i=0; i<dataSlots.size(); i++) |
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| 275 | { |
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| 276 | // Check if this variableName & -type already exists |
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| 277 | if( dataSlots[i].variableName == variableName_ && dataSlots[i].direction == direction_ && dataSlots[i].variableType == osgVisual::dataIO_slot::DOUBLE) |
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| 278 | { |
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| 279 | // Update value |
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| 280 | //OSG_NOTIFY( osg::ALWAYS ) << "setSlotData: " << variableName_ << " - value: " << value_ << std::endl; |
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| 281 | dataSlots[i].value = value_; |
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| 282 | slotFound = true; |
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| 283 | } |
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| 284 | } |
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| 285 | |
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| 286 | if (!slotFound) |
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| 287 | { |
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| 288 | // Slot does not exist -> add it to slot list |
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| 289 | dataIO_slot newSlot; |
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| 290 | newSlot.variableName = variableName_; |
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| 291 | newSlot.direction = direction_; |
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| 292 | newSlot.variableType = osgVisual::dataIO_slot::DOUBLE; |
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| 293 | newSlot.value = value_; |
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| 294 | newSlot.sValue = ""; |
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| 295 | dataSlots.push_back( newSlot ); |
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| 296 | } |
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| 297 | } |
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