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/*
* Dkdevice.h
*
* $Id$
*
* Devices
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2012 OpenLink Software
*
* This project 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; only version 2 of the License, dated June 1991.
*
* 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef _DKDEVICE_H
#define _DKDEVICE_H
/* Device functions */
typedef struct devfuns_s devfuns_t;
/* Device specific type containing address information */
typedef struct addresstruct address_t;
/* Device specific type containing address information */
typedef struct unix_addresstruct unix_address_t;
/* Device specific type containing connection information */
typedef struct connectionstruct connection_t;
/* General communications device structure */
struct device_s
{
address_t * dev_address; /* address instance (partner?) */
connection_t * dev_connection; /* connection instance */
devfuns_t * dev_funs; /* implemented functions */
int dev_check; /* internal check field */
address_t * dev_accepted_address; /* listening session address */
};
/* Common "methods" for all communication devices */
struct devfuns_s
{
device_t *(*dfp_allocate) (void);
int (*dfp_free) (device_t * dev);
int (*dfp_set_address) (session_t * ses, char *addrinfo);
int (*dfp_listen) (session_t * ses);
int (*dfp_accept) (session_t * ses, session_t * new_ses);
int (*dfp_connect) (session_t * ses);
int (*dfp_disconnect) (session_t * ses);
int (*dfp_write) (session_t * ses, char *buffer, int n_bytes);
int (*dfp_read) (session_t * ses, char *buffer, int n_bytes);
int (*dfp_select) (int ses_count, session_t ** reads, session_t ** writes, timeout_t * timeout);
int (*dfp_set_control) (session_t * ses, int fld, char *v, int sz);
int (*dfp_get_control) (session_t * ses, int fld, char *v, int sz);
};
/*
* Session classes
*/
#define SESCLASS_TCPIP 0
#define SESCLASS_NMPIPE 1
#define SESCLASS_NETBIOS 2
#define SESCLASS_STRING 4
#define SESCLASS_UDPIP 7
#define SESCLASS_UNIX 8
device_t *device_allocate (int sesclass);
int device_free (device_t * dev);
#endif
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