vio.h File Reference
Vio class

Class Vio: virtual <SDIO/FILE/BUFF/UNIX/INET> I/O layer. More...

`#include <maloc/maloc_base.h>`
`#include <maloc/vnm.h>`
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## Classes

struct | sVio
| Contains public data members for Vio class. More...

## Macros

#define | VPORTNUMBER 14916
| our portbase; 5000 < VPORTNUMBER < 49152 More...
#define | VIO_MAXBUF 10
| number of internal buffers (BUFF datatype) More...

## Typedefs

typedef enum VIOtype | VIOtype
| Parameter for I/O type (sdio,buff,file,unix,inet) More...
typedef enum VIOfrmt | VIOfrmt
| Parameter for compression type (XDR,ASC) More...
typedef enum VIOrwkey | VIOrwkey
| Parameter for rw type (R,RW) More...
typedef struct sVio | Vio
| Declaration of the Vio class as the Vio structure. More...

## Enumerations

enum | VIOtype { VIO_NO_TYPE , VIO_SDIO , VIO_BUFF , VIO_FILE , VIO_UNIX , VIO_INET }
| Parameter for I/O type (sdio,buff,file,unix,inet) More...
enum | VIOfrmt { VIO_NO_FRMT , VIO_XDR , VIO_ASC }
| Parameter for compression type (XDR,ASC) More...
enum | VIOrwkey { VIO_NO_RW , VIO_R , VIO_W }
| Parameter for rw type (R,RW) More...

## Functions

void | Vio_start (void)
| Start Vio communication layer (init internal variables/buffers) More...
void | Vio_stop (void)
| Shutdown Vio communication layer. More...
Vio * | Vio_ctor (const char *socktype, const char *datafrmt, const char *hostname, const char *filename, const char *rwkey)
| Construct the Vio object. More...
int | Vio_ctor2 (Vio *thee, const char *socktype, const char *datafrmt, const char *hostname, const char *filename, const char *rwkey)
| Work routine that Vio_ctor calls to do most of the construction. More...
void | Vio_dtor (Vio **thee)
| Destruct the Vio object. More...
void | Vio_dtor2 (Vio *thee)
| Work routine that Vio_dtor calls to do most of the destruction. More...
void | Vio_setWhiteChars (Vio *thee, char *whiteChars)
| Set the white character set for I/O stream. More...
void | Vio_setCommChars (Vio *thee, char *commChars)
| Set the comment character set for I/O stream. More...
int | Vio_accept (Vio *thee, int nonblock)
| Accept any waiting connect attempt to our socket on our machine. More...
void | Vio_acceptFree (Vio *thee)
| Free the socket child that was used for the last accept. More...
int | Vio_connect (Vio *thee, int nonblock)
| Connect to some socket on a remote machine (or on our machine) More...
void | Vio_connectFree (Vio *thee)
| Purge any output buffers (for <UNIX/INET>, else a no-op) More...
int | Vio_scanf (Vio *thee, char *parms,...)
| Mimic "scanf" from an arbitrary Vio device. More...
int | Vio_printf (Vio *thee, char *parms,...)
| Mimic "printf" from an arbitrary Vio device. More...
int | Vio_read (Vio *thee, char *buf, int bufsize)
| Read (up to) bufsize characters into buf from input device. More...
int | Vio_write (Vio *thee, char *buf, int bufsize)
| Write bufsize characters from buf to output device. More...
void | Vio_bufTake (Vio *thee, char *buf, int bufsize)
| Set the pointer to the internal buffer. More...
char * | Vio_bufGive (Vio *thee)
| Return the pointer to the internal buffer. More...
int | Vio_bufSize (Vio *thee)
| Return the length to the internal buffer. More...
Vio * | Vio_socketOpen (char *key, const char *iodev, const char *iofmt, const char *iohost, const char *iofile)
| Socket open for read or write. More...
void | Vio_socketClose (Vio **sock)
| Socket close from read or write. More...

## Detailed Description

Class Vio: virtual <SDIO/FILE/BUFF/UNIX/INET> I/O layer.

Version

Id
  vio.h,v 1.28 2010/08/12 05:40:35 fetk Exp

Author
  Michael Holst

Attention

      *
      * MALOC = < Minimal Abstraction Layer for Object-oriented C >
      * Copyright (C) 1994-- Michael Holst
      *
      * This library is free software; you can redistribute it and/or
      * modify it under the terms of the GNU Lesser General Public
      * License as published by the Free Software Foundation; either
      * version 2.1 of the License, or (at your option) any later version.
      *
      * This library 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
      * Lesser General Public License for more details.
      *
      * You should have received a copy of the GNU Lesser General Public
      * License along with this library; if not, write to the Free Software
      * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
      *
      *

## Macro Definition Documentation

## VIO_MAXBUF

#define VIO_MAXBUF 10

number of internal buffers (BUFF datatype)

## VPORTNUMBER

#define VPORTNUMBER 14916

our portbase; 5000 < VPORTNUMBER < 49152