---

lib/gobj/iface.h

Go to the documentation of this file.

/* lib/iface.h - IO interface management
   Copyright (C) 1999, 2000, 2001 Thomas Uehlinger

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#include <gobjconfig.h>

#ifndef gobj_lib_iface_h
#define gobj_lib_iface_h

#include <gobj/context.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#if 0
}
#endif


typedef void Gj_IfaceData;


typedef void Gj_IfacePort;


typedef struct Gj_IfaceIncomingConn_struct {
  
  Gj_Ctx* ctx;

  Gj_Iface* iface;

  Gj_IfacePort* port;

  char* clientaddr;

} Gj_IfaceIncomingConn;


/*
 * IO function typedefs
 *
 */

typedef Gj_IfacePort* Gj_Iface_openPortFunc(Gj_Ctx* ctx, Gj_Iface* iface, char* addr);


typedef int Gj_Iface_closePortFunc(Gj_Ctx* ctx, Gj_Iface* iface, Gj_IfacePort* port);


typedef int Gj_Iface_writeFunc(Gj_Ctx* ctx, Gj_Iface* iface, Gj_IfacePort* port, void* ptr, int size);


typedef int Gj_Iface_readFunc(Gj_Ctx* ctx, Gj_Iface* iface, Gj_IfacePort* port, void* ptr, int size);


typedef int Gj_Iface_read2writeFunc(Gj_Ctx* ctx, Gj_Iface* iface, Gj_IfacePort* port);


typedef int Gj_Iface_write2readFunc(Gj_Ctx* ctx, Gj_Iface* iface, Gj_IfacePort* port);


typedef int Gj_Iface_flushFunc(Gj_Ctx* ctx, Gj_Iface* iface, Gj_IfacePort* port);


typedef int Gj_Iface_listenFunc(Gj_Ctx* ctx, Gj_Iface* iface);


struct Gj_IfaceFuncs_struct {
  
  Gj_Id* id;

  Gj_Iface_openPortFunc* openPort;
  Gj_Iface_closePortFunc* closePort;
  Gj_Iface_writeFunc* write; /* required */
  Gj_Iface_readFunc* read; /* required */
  Gj_Iface_read2writeFunc* read2write;
  Gj_Iface_write2readFunc* write2read;
  Gj_Iface_flushFunc* flush;
  Gj_Iface_listenFunc* listen;

};


struct Gj_Iface_struct {

  Gj_IfaceData* data;

  /*Gj_Bool listening;
  Gj_Bool stopListening;*/

  Gj_IfaceFuncs* funcs;

  Gj_Iface* next;

};


Gj_Id* Gj_iface_getId(Gj_Iface* iface);


int Gj_iface_listen(Gj_Ctx* ctx, Gj_Iface* iface);


/*
 * Write size bytes from a given memory location to the interface
 * Error: returns 0 on success, -1 otherwise
 *
 */
/*int Gj_io_write(Gj_Ctx* ctx, Gj_Iface* iface, void* ptr, int size);*/


/*
 * Read size bytes from the interface and write them to the given memory location
 * Error: returns 0 on success, -1 otherwise
 *
 */
/*int Gj_io_read(Gj_Ctx* ctx, Gj_Iface* io, void* ptr, int size);*/


int gj_iface_serve(Gj_Ctx* ctx, Gj_IfaceIncomingConn* conn);
  

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* !gobj_lib_iface_h */

---