// -*- mode: c++ -*- 
//
// Name: DisIO.h
// Author: K.Olchanski
// Date: 13 Dec 1998
// Description: BRAHMS Dispatcher I/O library
//
// $Id: DisIO.h,v 1.1.1.1 2001/06/21 14:55:10 hagel Exp $
//

#ifndef DisIOH
#define DisIOH

#include <stdlib.h>
#include "BrRawEvent.h"
#include "SetError.h"

class DisIO : public SetError
{
public: // public definitions

  enum Status
  {
    kOk           = 0,
    kCommand      = 1,
    kData         = 2,
    kNoRoom       = 3,
    kNotConnected = 4,
    kDataError    = 5,
    kNoData       = 6
  };

public: // public methods
  //
  // constructor and destructor
  //
  DisIO();  // ctor;
  ~DisIO(); // dtor

  //
  // Connection management.
  //
  int         connect(const char* destination);
  int         disconnect();

  //
  // High-level I/O methods
  //
  int         sendCommand(const char* command);
  int         readEvent(BrRawEvent& event,bool waitForever=true);
  int         readCommand(bool waitForever=true);
  const char* getCommandString();

  //
  // low-level I/O methods
  //
  int         readReply(BrRawEvent::Segment **seg,
			bool waitForever=true);

private: // private methods and data

  // hide the copy-constructor
  DisIO(DisIO&) { abort(); };
  // hide the assignement operator
  DisIO& operator=(DisIO&) { abort(); };
  
  void*       fSocket;
  char*       fCommandString;
};

#endif
// end file
//
// $Log: DisIO.h,v $
// Revision 1.1.1.1  2001/06/21 14:55:10  hagel
// Initial revision of brat2
//
// Revision 1.6  2000/11/23 01:35:13  brahmlib
// Fixed code so that is compiles on Digital Unix
//
//