/*-
 * Copyright (c) 2006 The FreeBSD Project
 * All rights reserved.
 *
 * Author: Shteryana Shopova <syrinx@FreeBSD.org>
 *
 * Redistribution of this software and documentation and use in source and
 * binary forms, with or without modification, are permitted provided that
 * the following conditions are met:
 *
 * 1. Redistributions of source code or documentation must retain the above
 *    copyright notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * Textual conventions for snmp
 */

#ifndef _BSNMP_TEXT_CONV_H_
#define _BSNMP_TEXT_CONV_H_

/* Variable display length string. */
#define SNMP_VAR_STRSZ          -1

/*
 * 11 bytes - octets that represent DateAndTime Textual convention
 * and the size of string used to display that.
 */
#define SNMP_DATETIME_OCTETS    11
#define SNMP_DATETIME_STRSZ     32

/*
 * 6 bytes - octets that represent PhysAddress Textual convention
 * and the size of string used to display that.
 */
#define SNMP_PHYSADDR_OCTETS    6
#define SNMP_PHYSADDR_STRSZ     19

/* NTPTimeStamp. */
#define SNMP_NTP_TS_OCTETS      8
#define SNMP_NTP_TS_STRSZ       10

/* BridgeId. */
#define SNMP_BRIDGEID_OCTETS            8
#define SNMP_BRIDGEID_STRSZ             25
#define SNMP_MAX_BRIDGE_PRIORITY        65535

/* BridgePortId. */
#define SNMP_BPORT_OCTETS       2
#define SNMP_BPORT_STRSZ        7
#define SNMP_MAX_BPORT_PRIORITY 255

/* InetAddress. */
#define SNMP_INADDRS_STRSZ      INET6_ADDRSTRLEN

enum snmp_tc {
        SNMP_STRING = 0,
        SNMP_DISPLAYSTRING = 1,
        SNMP_DATEANDTIME = 2,
        SNMP_PHYSADDR = 3,
        SNMP_ATMESI = 4,
        SNMP_NTP_TIMESTAMP = 5,
        SNMP_MACADDRESS = 6,
        SNMP_BRIDGE_ID = 7,
        SNMP_BPORT_ID = 8,
        SNMP_INETADDRESS = 9,
        SNMP_TC_OWN = 10,
        SNMP_UNKNOWN, /* keep last */
};

typedef char * (*snmp_oct2tc_f) (uint32_t len, char *octs, char *buf);
typedef char * (*snmp_tc2oid_f) (char *str, struct asn_oid *oid);
typedef int32_t (*snmp_tc2oct_f) (struct snmp_value *value, char *string);

enum snmp_tc snmp_get_tc(char *str);
char *snmp_oct2tc(enum snmp_tc tc, uint32_t len, char *octets);
char *snmp_tc2oid(enum snmp_tc tc, char *str, struct asn_oid *oid);
int32_t snmp_tc2oct(enum snmp_tc tc, struct snmp_value *value, char *string);

#endif /* _BSNMP_TEXT_CONV_H_ */