bbsdirect.h

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#ifndef bbsdirect_h
#define bbsdirect_h

#include <nrnmpiuse.h>

#include "bbsimpl.h"
class KeepArgs;
#if NRNMPI
struct bbsmpibuf;
#endif

// uses the pvm packing and unpacking functions but calls the
// server directly instead of through pvmd send, recv.
// i.e. this bbs can only be on the master

class BBSDirect : public BBSImpl {
public:
   BBSDirect();
   virtual ~BBSDirect();

   virtual boolean look(const char*);

   virtual void take(const char*); /* blocks til something to take */
   virtual boolean look_take(const char*); /* returns false if nothing to take */
   // after taking use these
   virtual int upkint();
   virtual double upkdouble();
   virtual void upkvec(int, double*);
   virtual char* upkstr(); // delete [] char* when finished
   virtual char* upkpickle(size_t*); // delete [] char* when finished

   // before posting use these
   virtual void pkbegin();
   virtual void pkint(int);
   virtual void pkdouble(double);
   virtual void pkvec(int, double*);
   virtual void pkstr(const char*);
   virtual void pkpickle(const char*, size_t);
   virtual void post(const char*);

   virtual void post_todo(int parentid);
   virtual void post_result(int id);
   virtual int look_take_result(int pid); // returns id, or 0 if nothing
   virtual int look_take_todo(); // returns id, or 0 if nothing
   virtual int take_todo(); // returns id
   virtual void save_args(int);
   virtual void return_args(int);

   virtual void context();
   
   virtual void start();
   virtual void done();

   virtual void perror(const char*);
   static void check_pvm();
private:
   KeepArgs* keepargs_;
#if NRNMPI
   bbsmpibuf* sendbuf_, *recvbuf_;
#endif
};

#endif