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//==========================================================================

//

//      ./agent/current/include/snmp_vars.h

//

//

//==========================================================================

//####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

//

// eCos 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.

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// eCos 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

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// You should have received a copy of the GNU General Public License along

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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

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// As a special exception, if other files instantiate templates or use macros

// or inline functions from this file, or you compile this file and link it

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//####ECOSGPLCOPYRIGHTEND####

//####UCDSNMPCOPYRIGHTBEGIN####

//

// -------------------------------------------

//

// Portions of this software may have been derived from the UCD-SNMP

// project,  <http://ucd-snmp.ucdavis.edu/>  from the University of

// California at Davis, which was originally based on the Carnegie Mellon

// University SNMP implementation.  Portions of this software are therefore

// covered by the appropriate copyright disclaimers included herein.

//

// The release used was version 4.1.2 of May 2000.  "ucd-snmp-4.1.2"

// -------------------------------------------

//

//####UCDSNMPCOPYRIGHTEND####

//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    hmt

// Contributors: hmt

// Date:         2000-05-30

// Purpose:      Port of UCD-SNMP distribution to eCos.

// Description:  

//              

//

//####DESCRIPTIONEND####

//

//==========================================================================

/********************************************************************

       Copyright 1989, 1991, 1992 by Carnegie Mellon University

                          Derivative Work -

Copyright 1996, 1998, 1999, 2000 The Regents of the University of California

                         All Rights Reserved

Permission to use, copy, modify and distribute this software and its

documentation for any purpose and without fee is hereby granted,

provided that the above copyright notice appears in all copies and

that both that copyright notice and this permission notice appear in

supporting documentation, and that the name of CMU and The Regents of

the University of California not be used in advertising or publicity

pertaining to distribution of the software without specific written

permission.

CMU AND THE REGENTS OF THE UNIVERSITY OF CALIFORNIA DISCLAIM ALL

WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED

WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL CMU OR

THE REGENTS OF THE UNIVERSITY OF CALIFORNIA BE LIABLE FOR ANY SPECIAL,

INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING

FROM THE LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF

CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN

CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

*********************************************************************/

/*

 * Definitions for SNMP (RFC 1067) agent variable finder.

 *

 */

#ifndef _SNMP_VARS_H_

#define _SNMP_VARS_H_

/***********************************************************

        Copyright 1988, 1989 by Carnegie Mellon University

        Copyright 1989  TGV, Incorporated

                      All Rights Reserved

Permission to use, copy, modify, and distribute this software and its

documentation for any purpose and without fee is hereby granted,

provided that the above copyright notice appear in all copies and that

both that copyright notice and this permission notice appear in

supporting documentation, and that the name of CMU and TGV not be used

in advertising or publicity pertaining to distribution of the software

without specific, written prior permission.

CMU AND TGV DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

EVENT SHALL CMU OR TGV BE LIABLE FOR ANY SPECIAL, INDIRECT OR

CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF

USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR

OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR

PERFORMANCE OF THIS SOFTWARE.

******************************************************************/

struct variable;

/* Function pointer called by the master agent for writes. */

typedef int (WriteMethod)(int action,

        u_char  *var_val,

        u_char   var_val_type,

        size_t   var_val_len,

        u_char  *statP,

        oid     *name,

        size_t   length);

/* Function pointer called by the master agent for mib information retrieval */

typedef u_char *(FindVarMethod)(struct variable *vp,

        oid     *name,

        size_t  *length,

        int      exact,

        size_t  *var_len,

        WriteMethod   **write_method);

/* Function pointer called by the master agent for setting up subagent requests */

struct agent_snmp_session;

typedef int (AddVarMethod)(struct agent_snmp_session *asp,

        struct variable_list     *vbp);

struct nlist;

extern long long_return;

extern u_char return_buf[];

extern oid nullOid[];

extern int nullOidLen;

#define INST    0xFFFFFFFF      /* used to fill out the instance field of the variables table */

struct variable {

    u_char          magic;          /* passed to function as a hint */

    char            type;           /* type of variable */

/* See important comment in snmp_vars.c relating to acl */

    u_short         acl;            /* access control list for variable */

    FindVarMethod *findVar;  /* function that finds variable */

    u_char          namelen;        /* length of above */

    oid             name[MAX_OID_LEN];      /* object identifier of variable */

};

void init_agent(const char *);

int subtree_old_size (void);

void sort_tree (void);

#ifndef _AGENT_REGISTRY_H

#include "agent_registry.h"

#endif

/* fail overloads non-negative integer value. it must be -1 ! */

#define MATCH_FAILED    (-1)

#define MATCH_SUCCEEDED 0

#endif /* _SNMP_VARS_H_ */