G4FukuiRenderer.cc

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// $Id: G4FukuiRenderer.cc 66870 2013-01-14 23:38:59Z adotti $
//
// 
// 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( ( getenv( FR_ENV_DAWN_GUI_ALWAYS ) != NULL        ) && \
        ( strcmp( 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( getenv( FR_ENV_CONNECTION_TIME ) != NULL  ) {
            int sscanf_status = \
                sscanf( 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( getenv( FR_ENV_CONNECTION_TIME ) != NULL  ) {
            int sscanf_status = \
                sscanf( 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