OpenMesh
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00001 /*===========================================================================*\ 00002 * * 00003 * OpenMesh * 00004 * Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen * 00005 * www.openmesh.org * 00006 * * 00007 *---------------------------------------------------------------------------* 00008 * This file is part of OpenMesh. * 00009 * * 00010 * OpenMesh is free software: you can redistribute it and/or modify * 00011 * it under the terms of the GNU Lesser General Public License as * 00012 * published by the Free Software Foundation, either version 3 of * 00013 * the License, or (at your option) any later version with the * 00014 * following exceptions: * 00015 * * 00016 * If other files instantiate templates or use macros * 00017 * or inline functions from this file, or you compile this file and * 00018 * link it with other files to produce an executable, this file does * 00019 * not by itself cause the resulting executable to be covered by the * 00020 * GNU Lesser General Public License. This exception does not however * 00021 * invalidate any other reasons why the executable file might be * 00022 * covered by the GNU Lesser General Public License. * 00023 * * 00024 * OpenMesh is distributed in the hope that it will be useful, * 00025 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00026 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00027 * GNU Lesser General Public License for more details. * 00028 * * 00029 * You should have received a copy of the GNU LesserGeneral Public * 00030 * License along with OpenMesh. If not, * 00031 * see <http://www.gnu.org/licenses/>. * 00032 * * 00033 \*===========================================================================*/ 00034 00035 /*===========================================================================*\ 00036 * * 00037 * $Revision: 362 $ * 00038 * $Date: 2011-01-26 10:21:12 +0100 (Mi, 26 Jan 2011) $ * 00039 * * 00040 \*===========================================================================*/ 00041 00042 #ifndef OPENMESH_APP_VDPMSTREAMING_SERVER_VDPMSERVERSESSION_HH 00043 #define OPENMESH_APP_VDPMSTREAMING_SERVER_VDPMSERVERSESSION_HH 00044 00045 #include <QTcpSocket> 00046 #include <QThread> 00047 #include <QDataStream> 00048 #include <QTimer> 00049 #include <iostream> 00050 // #include <QObject> 00051 #include <OpenMesh/Core/Geometry/VectorT.hh> 00052 #include <OpenMesh/Core/Geometry/Plane3d.hh> 00053 #include <OpenMesh/Tools/Utils/Timer.hh> 00054 #include <OpenMesh/Tools/VDPM/StreamingDef.hh> 00055 #include <OpenMesh/Tools/VDPM/VHierarchyNodeIndex.hh> 00056 #include <OpenMesh/Tools/VDPM/ViewingParameters.hh> 00057 #include <OpenMesh/Tools/VDPM/VHierarchy.hh> 00058 #include <OpenMesh/Tools/VDPM/VFront.hh> 00059 #include <OpenMesh/Apps/VDProgMesh/Streaming/Server/ServerSideVDPM.hh> 00060 #include <OpenMesh/Tools/VDPM/VHierarchyWindow.hh> 00061 00062 00063 using OpenMesh::VDPM::VDPMStreamingPhase; 00064 using OpenMesh::VDPM::kBaseMesh; 00065 using OpenMesh::VDPM::kVSplits; 00066 00067 using OpenMesh::VDPM::VHierarchyWindow; 00068 using OpenMesh::VDPM::VHierarchyNodeIndex; 00069 using OpenMesh::VDPM::VHierarchyNodeHandle; 00070 using OpenMesh::VDPM::ViewingParameters; 00071 00072 using OpenMesh::VDPM::set_debug_print; 00073 00074 class VDPMServerSession : public QThread 00075 { 00076 00077 Q_OBJECT 00078 00079 public: 00080 00081 VDPMServerSession(QTcpSocket* _socket, QObject *parent=0, const char *name=0) 00082 { 00083 socket_ = _socket; 00084 00085 set_debug_print(true); 00086 00087 streaming_phase_ = kBaseMesh; 00088 transmission_complete_ = false; 00089 00090 connect(socket_, SIGNAL(connected()), this, SLOT(socketConnected())); 00091 QTcpSocket::connect(socket_, SIGNAL(readyRead()), this, SLOT(socketReadyRead())); 00092 //connect(this, SIGNAL(connectionClosed()), SLOT(deleteLater())); 00093 QTcpSocket::connect(socket_, SIGNAL(connectionClosed()), this, SLOT(delayedCloseFinished())); 00094 00096 // setSocket(sock); 00097 00098 qStatisticsTimer_ = new QTimer(this); 00099 QTcpSocket::connect(qStatisticsTimer_, SIGNAL(timeout()), this, SLOT(print_statistics())); 00100 00101 mem_file = fopen("mem.txt", "w"); 00102 00103 start(); 00104 } 00105 00106 ~VDPMServerSession() 00107 { 00108 fclose(mem_file); 00109 } 00110 00111 // void run() 00112 // { 00113 // exec(); 00114 // } 00115 00116 private: 00117 00118 VDPMStreamingPhase streaming_phase_; 00119 bool transmission_complete_; 00120 00121 QTcpSocket* socket_; 00122 00123 private: 00124 00125 void sendBaseMeshToClient(); 00126 void send_vsplit_packets(); 00127 void readBaseMeshRequestFromClient(); 00128 void readViewingParametersFromClient(); 00129 00130 void PrintOutVFront(); 00131 00132 private slots: 00133 00134 void socketConnected() 00135 { 00136 std::cout << "socket is connected" << std::endl; 00137 } 00138 00139 void socketReadyRead() 00140 { 00141 if (streaming_phase_ == kBaseMesh) 00142 { 00143 readBaseMeshRequestFromClient(); 00144 } 00145 else if (streaming_phase_ == kVSplits) 00146 { 00147 readViewingParametersFromClient(); 00148 } 00149 } 00150 00151 void print_statistics() 00152 { 00153 //std::cout << memory_requirements(true) << " " << memory_requirements(false) << std::endl; 00154 } 00155 00156 private: 00157 unsigned short tree_id_bits_; // obsolete 00158 ServerSideVDPM* vdpm_; 00159 VHierarchy* vhierarchy_; 00160 VHierarchyWindow vhwindow_; 00161 ViewingParameters viewing_parameters_; 00162 float kappa_square_; 00163 VHierarchyNodeHandleContainer vsplits_; 00164 00165 private: 00166 bool outside_view_frustum(const OpenMesh::Vec3f &pos, float radius); 00167 bool oriented_away(float sin_square, float distance_square, float product_value); 00168 bool screen_space_error(float mue_square, float sigma_square, float distance_square, float product_value); 00169 00170 void adaptive_refinement(); 00171 void sequential_refinement(); 00172 bool qrefine(VHierarchyNodeHandle _node_handle); 00173 void force_vsplit(VHierarchyNodeHandle node_handle); 00174 void vsplit(VHierarchyNodeHandle _node_handle); 00175 VHierarchyNodeHandle active_ancestor_handle(VHierarchyNodeIndex &node_index); 00176 void stream_vsplits(); 00177 00178 public: 00179 bool set_vdpm(const char _vdpm_name[256]); 00180 unsigned int memory_requirements_using_window(bool _estimate); 00181 unsigned int memory_requirements_using_vfront(); 00182 00183 // for example 00184 private: 00185 QTimer *qStatisticsTimer_; 00186 FILE *mem_file; 00187 }; 00188 00189 #endif //OPENMESH_APP_VDPMSTREAMING_SERVER_VDPMSERVERSESSION_HH defined