G4FukuiRenderer.cc

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// ********************************************************************
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//
//
//
// 
// Satoshi TANAKA
// FukuiRenderer factory.

//=================//
#ifdef G4VIS_BUILD_DAWN_DRIVER
//=================//

//#define DEBUG_FR_SYSTEM


#include "G4FukuiRenderer.hh"

#define __G_ANSI_C__

#include "G4VisManager.hh"
//#include "G4VisFeaturesOfFukuiRenderer.hh"
#include "G4VSceneHandler.hh"
#include "G4FukuiRendererSceneHandler.hh"
#include "G4FukuiRendererViewer.hh"
#include "G4FRClientServer.hh"
#include "G4FRConst.hh"
#include "G4FRFeatures.hh"

  //----- constant
const int FR_DEFAULT_CONNECTION_TIME = 5  ;
const char FR_ENV_CONNECTION_TIME [] = "G4DAWN_CONNECTION_TIME";
const char FR_ENV_DAWN_GUI_ALWAYS [] = "G4DAWN_GUI_ALWAYS";

  //----- G4FukuiRenderer, constructor
G4FukuiRenderer::G4FukuiRenderer ():
  G4VGraphicsSystem ("FukuiRenderer",
         "DAWN",
         FR_DAWNFILE_FEATURES,
         G4VGraphicsSystem::threeD),
  fPrimDest() ,
  fIPMode( G4FukuiRenderer::IP_UNIX ),
  flag_use_gui     (false) ,
  flag_connected   (0) 
{
    //----- sorting of objects
  if( ( std::getenv( FR_ENV_DAWN_GUI_ALWAYS ) != NULL        ) && \
      ( strcmp( std::getenv( FR_ENV_DAWN_GUI_ALWAYS ),"0"  ) )      ) 
  {
    flag_use_gui =  true ;
  } 
}


  //----- G4FukuiRenderer, destructor
G4FukuiRenderer::~G4FukuiRenderer () 
{
  if( flag_connected ) {
      //----- Terminate FukuiRenderer
    fPrimDest.SendLine( FR_TERMINATE_DAWND ) ; 

      //----- disconnection
    fPrimDest.DisConnect(); 
    flag_connected = 0 ;
  }
}

  //-----  G4FukuiRenderer::CreateSceneHandler () 
G4VSceneHandler* G4FukuiRenderer::CreateSceneHandler (const G4String& name) 
{
  G4VSceneHandler* p = new G4FukuiRendererSceneHandler (*this, name);

  if(!flag_connected) { delete p ;  p = NULL ; }

  return p;
}

  //-----  G4FukuiRenderer::CreateViewer () 
G4VViewer* G4FukuiRenderer::CreateViewer (G4VSceneHandler& scene, const G4String& name) 
{
  if(!flag_connected) return NULL;
        G4VViewer* pView = 
    new G4FukuiRendererViewer ((G4FukuiRendererSceneHandler&) scene, name);
  return pView;
}

  //----- G4FukuiRenderer::UseInetDomainAuto()
void G4FukuiRenderer::UseInetDomainAuto()
{
  int   pid ;

#if defined DEBUG_FR_SYSTEM
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
    G4cout << "***** Unix Inet Domain (AUTO mode)" << G4endl;
#endif
  fIPMode = G4FukuiRenderer::IP_UNIX ;

  if( ( pid = fork() ) == 0 ) { // child
    if ( execlp ( "dawn", "dawn", "-G" , (char *)0 ) < 0 ) 
    {
      perror("dawn") ;
    }
  } else { // parent 

      //----- Set waiting time to ensure connection
    int connection_time = FR_DEFAULT_CONNECTION_TIME  ;
    if( std::getenv( FR_ENV_CONNECTION_TIME ) != NULL  ) {
      int sscanf_status = \
        sscanf( std::getenv( FR_ENV_CONNECTION_TIME ), "%d", &connection_time) ;
      if ( sscanf_status == EOF ) {  
        connection_time = FR_DEFAULT_CONNECTION_TIME  ;
      }
    }


      //----- Wait for starting up of FukuiRenderer
    sleep(connection_time); 

      //----- establish connection
    this->ConnectPort();
  }

  if(!flag_connected) { 
    if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
      G4cout << "***** ERROR: Connection failed" << G4endl; 
  }
  else { 
    if (G4VisManager::GetVerbosity() >= G4VisManager::errors) {
      G4cout << "***** GEANT4 is connected to FukuiRenderer DAWN ";
      G4cout << "in the same host" << G4endl; 
    }
  }

} //  G4FukuiRenderer::UseInetDomainAuto()


  //----- G4FukuiRenderer::UseInetDomain()
void
G4FukuiRenderer::UseInetDomain()
{
#if defined DEBUG_FR_SYSTEM
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
  G4cout << "***** INET Domain " << G4endl;
#endif
  fIPMode = G4FukuiRenderer::IP_INET ;

  this->ConnectPort();

  if(!flag_connected) {
    if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
      G4cout << "***** ERROR: Connection failed" << G4endl; 
  }
  else { 
    if (G4VisManager::GetVerbosity() >= G4VisManager::errors) {
      G4cout << "GEANT4 is connected to FukuiRenderer DAWN via socket" ; 
      G4cout << G4endl; 
    }
  }

} // G4FukuiRenderer::UseInetDomain()

void
G4FukuiRenderer::ConnectPort( int max_port_incr )
{
  //----- establish connection
  int connect_trial = 0 ;
  while(1) {
    if ( ++connect_trial > max_port_incr ) {
  this->flag_connected = 0 ;
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors) {
    G4cout << "***** INET Connection failed."                << G4endl;
    G4cout << "      Maybe, you have not invoked DAWN yet,"  << G4endl;
    G4cout << "      or too many DAWN's are already running" << G4endl;
    G4cout << "      in the server host."                    << G4endl;
  }
  fPrimDest.IncrementPortNumber( (- FR_MAX_PORT_INCR) );
  return ;
    } else if ( fPrimDest.ConnectINET() ) { 
      // INET domain connection is established
  this->flag_connected = 1 ;
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors) {
    G4cout << "***** GEANT4 is connected to port  " ;
    G4cout << fPrimDest.GetPortNumber() ; 
    G4cout << "  of server" << G4endl;
  }
  break ; 
    } else { 
      // Connection failed. Try the next port.
      this->flag_connected = 0 ;
      fPrimDest.IncrementPortNumber();
      if (G4VisManager::GetVerbosity() >= G4VisManager::errors) {
  G4cout << "***** GEANT4 incremented targeting port to " ;
  G4cout << fPrimDest.GetPortNumber() << G4endl;
      }

    } // if-elseif-else

  } // while (1) 
}


  //----- G4FukuiRenderer::UseBSDUnixDomainAuto()
void G4FukuiRenderer::UseBSDUnixDomainAuto()
{
  int     pid ;

#if defined DEBUG_FR_SYSTEM
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
    G4cout << "***** UseBSDUnixDomainAuto " << G4endl;
#endif
  fIPMode = G4FukuiRenderer::IP_UNIX ; // Unix domain

  if( ( pid = fork() ) == 0 ) { // child
    if ( execlp ( "dawn", "dawn", "-g" , (char *)0 ) < 0 ) 
    {
      perror("dawn") ;
    }
  } else { // parent 

        //----- Sleep for a while to make sure that 
      //..... FukuiRenderer is ready
    int connection_time = FR_DEFAULT_CONNECTION_TIME  ;
    if( std::getenv( FR_ENV_CONNECTION_TIME ) != NULL  ) {
      int sscanf_status = \
        sscanf( std::getenv( FR_ENV_CONNECTION_TIME ), "%d", &connection_time) ;
      if ( sscanf_status == EOF ) {  connection_time = FR_DEFAULT_CONNECTION_TIME  ;}
    }
    sleep(connection_time); 

      //----- connect GEANT4 to FukuiRenderer
    this->flag_connected = fPrimDest.ConnectUnix();

      //----- display status
    if(!flag_connected) {
      if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
        G4cout << "***** ERROR: Connection failed" << G4endl; 
    } else { 
      if (G4VisManager::GetVerbosity() >= G4VisManager::errors) {
        G4cout << "*** GEANT4 is connected to FukuiRenderer DAWN ";
        G4cout <<  "in the same host" << G4endl; 
      }
    }

  } // if--else

}// G4FukuiRenderer::UseBSDUnixDomainAuto()


#endif // G4VIS_BUILD_DAWN_DRIVER