MulticastInputModule.h

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/* ========================================================================
 * Copyright (c) 2006,
 * Institute for Computer Graphics and Vision
 * Graz University of Technology
 * 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 Graz University of Technology 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
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ========================================================================
 * PROJECT: OpenTracker
 * ======================================================================== */
/* ======================================================================= */

#ifndef _MulticastInputModule_H
#define _MulticastInputModule_H

#include "../dllinclude.h"
#include "../OpenTracker.h"

#include <vector>

#include "ARTDataTrackerSource.h"

class ACE_SOCK_Dgram;


#ifndef OT_NO_NETWORK_SUPPORT


namespace ot {

  typedef std::vector<Node::Ptr> NodeVector;


  class OPENTRACKER_API MulticastInputModule : public ThreadModule, public NodeFactory
    {
      // Members
        
    protected:
    
      NodeVector sources;
      int port;
      int stop;
      ACE_SOCK_Dgram * socket;
        
    private:

      // Methods
        
    protected:
      void run();
        
    public:

      typedef struct StationRecord      // Structure for the Bodies
      {
        u_short valid;  // Flag is true if body is tracked 
        u_short id;             // Body ID taken from the Datagramm
        float position[3];                      // Array for the position       
        float orientation[3];           // Array for the Quaternion (calculated by MulticastInputModule) pushed in the Nodetree
        u_short buttons;        // Flag is true if body is tracked 
        float confidence;                       // 
      } StationRecord;
        
      int               version;
      int               maxBodyNumber;
      int               receiveBufferSize;
      char      *receiveBuffer;

      MulticastInputModule();
        
      virtual ~MulticastInputModule();
    
      virtual Node * createNode( const std::string& name,  StringTable& attributes);
        
        
      virtual void start();
        
      virtual void close();
        
      virtual void pushEvent();
        
      virtual void init(StringTable& attributes, ConfigNode * localTree);
        
      void parseString(std::string input, StationRecord *recordTemp) ;

    };

  OT_MODULE(MulticastInputModule);

}  // namespace ot


#endif // OT_NO_NETWORK_SUPPORT


#endif

/* 
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 *   End of MulticastInputModule.h
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 *   Automatic Emacs configuration follows.
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