source: trunk/src/testing/app/volvis/vNet.h @ 4

/********************************************************************************
 * Volatile - Volume Visualization Software for SAGE
 * Copyright (C) 2004 Electronic Visualization Laboratory,
 * University of Illinois at Chicago
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following disclaimer
 *    in the documentation and/or other materials provided with the distribution.
 *  * Neither the name of the University of Illinois at Chicago nor
 *    the names of its contributors may be used to endorse or promote
 *    products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Direct questions, comments etc about Volatile to www.evl.uic.edu/cavern/forum
 *********************************************************************************/

//Class to handle the network for tiled display
//vNet.h
#if defined(V_DISTRIBUTED)
#ifndef _vNet_h_
#define _vNet_h_

#include <iostream.h>
#include <sstream>
#include <fstream>
#include <string>
#include <vector>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include "mpi.h"
#include "private.h"

//size of each command from the master
#define COMMAND_SIZE 2048

using namespace std;

#define int32 cint32
#define uint32 cuint32
#undef int32
#undef uint32

char* getServerIP(int rank, const char* serverFile) ;
//Class that handles the image control operations (including MPI broadcast)
class vNet {
public:
        //default constructor - provide the rank, total # processors and if master processor should display the image
        vNet();
        void init(int &argc, char** &argv);
        ~vNet();
        //kills the tiles
        void deactivateTiles();
        //calls the dbclients process, used by network thread
        void process();
        //message parsing
        void processCmd(char* data);
        //read the config file
        bool readTileConfig(const char* configFile);

        //set the rotation matrix for all the volumes
        void setRotn(float rotn[16]) ;
        //set cutplane rotation
        void setCutRotation(float angle, float axis[3]);
        //set cutplane zoom
        void setCutZoom(float dzoom);
        //set the low res rendreing for all the volumes
        void setLowRes(int lowRes) ;
        //set zoom
        void setZoom(float factor);
        //set Translation
        void setTranslation(float translation[3]);
        //scale the sampling
        void scaleSampleRate(float factor);
        //set the transfer function
        void setLUT (int, unsigned char *);
        //toggle printing frame rate
        void togglePrintFPS();
        //toggle cut plane
        void toggleCutPlane();
        //toggle display of bound box
        void toggleBoundBox();
        //save gradient volume
        void saveGradientVolume() ;
        //roam the volume
        void setRoam() ;
        //roam the volume
        void setProbe() ;
        //roam the volume
        void roamVolume(int x, int y, int z);
        //probe the volume
        void probeVolume(int x, int y, int z);
        //get the isosurface for this isosurface
        void getIsosurface(int isoValue, float tx, float ty, float scale) ;
        //get isopoint
        void getIsopoint (int, float, float, float);
        //animate volume
        void animateVolume();
        //animate volume (rotate it on X)
        void animateVolumeRotX();
        //update the animation if any
        void updateAnim();
        //select index
        void select(int curIndex);

        //set the pointer position
        void select(float pointerPos[3]) ;

        //default dummy command - to synch the master and slave displays
        void fillDummyCommand();
        //indicate ready to exit
        void fillExitCommand();
        //returns true if Im the master, false otherwise
        inline int isActiveTile() {
                if (rank == master)
                        return 1;
                else
                        return 0;
        }

        inline void sync() {
                MPI_Barrier(MPI_COMM_WORLD);
        }

        inline int getRank() {
                return rank;
        }
//protected:
        char buffer[COMMAND_SIZE]; //Command buffer that is broadcast every frame
        int readyToDie;
        QUANTAnet_datapack_c dataPack;  //to be replaced by MPI datapack ?
        //network params
        int cmdFlushed; //if the current command has been flushed in order to handle the next one
        int rank; //my rank id - to read the right configuration
        int master;//the master id
        int noProcs;
        void packCommand(const char* cmdString, int flushed =0); //to pack any command
};

#endif
#endif