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/* address.h
* Definitions for structures storing addresses, and for the type of
* variables holding port-type values
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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
* of the License, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __ADDRESS_H__
#define __ADDRESS_H__
#include <string.h> /* for memcmp */
#include "emem.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Types of addresses Wireshark knows about. */
/* If a new address type is added here, a string representation procedure should */
/* also be included in address_to_str_buf defined in to_str.c, for presentation purposes */
typedef enum {
AT_NONE, /* no link-layer address */
AT_ETHER, /* MAC (Ethernet, 802.x, FDDI) address */
AT_IPv4, /* IPv4 */
AT_IPv6, /* IPv6 */
AT_IPX, /* IPX */
AT_SNA, /* SNA */
AT_ATALK, /* Appletalk DDP */
AT_VINES, /* Banyan Vines */
AT_OSI, /* OSI NSAP */
AT_ARCNET, /* ARCNET */
AT_FC, /* Fibre Channel */
AT_SS7PC, /* SS7 Point Code */
AT_STRINGZ, /* null-terminated string */
AT_EUI64, /* IEEE EUI-64 */
AT_URI, /* URI/URL/URN */
AT_TIPC, /* TIPC Address Zone,Subnetwork,Processor */
AT_IB, /* Infiniband GID/LID */
AT_USB /* USB Device address
* (0xffffffff represents the host) */
} address_type;
typedef struct _address {
address_type type; /* type of address */
int len; /* length of address, in bytes */
const void *data; /* pointer to address data */
} address;
#define SET_ADDRESS(addr, addr_type, addr_len, addr_data) { \
(addr)->type = (addr_type); \
(addr)->len = (addr_len); \
(addr)->data = (addr_data); \
}
/*
* Given two addresses, return
* 0 if the addresses are equal,
* a positive number if addr1>addr2 in some nondefined metric,
* a negative number if addr1<addr2 in some nondefined metric
*/
#define CMP_ADDRESS(addr1, addr2) \
( ((addr1)->type > (addr2)->type)?1: \
((addr1)->type < (addr2)->type)?-1: \
((addr1)->len > (addr2)->len) ?1: \
((addr1)->len < (addr2)->len) ?-1: \
memcmp((addr1)->data, (addr2)->data, (addr1)->len)\
)
/*
* Given two addresses, return "true" if they're equal, "false" otherwise.
* Addresses are equal only if they have the same type; if the type is
* AT_NONE, they are then equal, otherwise they must have the same
* amount of data and the data must be the same.
*/
#define ADDRESSES_EQUAL(addr1, addr2) \
( \
(addr1)->type == (addr2)->type && \
( \
(addr1)->type == AT_NONE || \
( \
(addr1)->len == (addr2)->len && \
memcmp((addr1)->data, (addr2)->data, (addr1)->len) == 0 \
) \
) \
)
/*
* Copy an address, allocating a new buffer for the address data.
*/
#define COPY_ADDRESS(to, from) { \
guint8 *COPY_ADDRESS_data; \
(to)->type = (from)->type; \
(to)->len = (from)->len; \
COPY_ADDRESS_data = g_malloc((from)->len); \
memcpy(COPY_ADDRESS_data, (from)->data, (from)->len); \
(to)->data = COPY_ADDRESS_data; \
}
#define SE_COPY_ADDRESS(to, from) { \
guint8 *SE_COPY_ADDRESS_data; \
(to)->type = (from)->type; \
(to)->len = (from)->len; \
SE_COPY_ADDRESS_data = se_alloc((from)->len); \
memcpy(SE_COPY_ADDRESS_data, (from)->data, (from)->len); \
(to)->data = SE_COPY_ADDRESS_data; \
}
/*
* Hash an address into a hash value (which must already have been set).
*/
#define ADD_ADDRESS_TO_HASH(hash_val, addr) { \
const guint8 *ADD_ADDRESS_TO_HASH_data; \
int ADD_ADDRESS_TO_HASH_index; \
ADD_ADDRESS_TO_HASH_data = (addr)->data; \
for (ADD_ADDRESS_TO_HASH_index = 0; \
ADD_ADDRESS_TO_HASH_index < (addr)->len; \
ADD_ADDRESS_TO_HASH_index++) \
hash_val += ADD_ADDRESS_TO_HASH_data[ADD_ADDRESS_TO_HASH_index]; \
}
/* Types of port numbers Wireshark knows about. */
typedef enum {
PT_NONE, /* no port number */
PT_SCTP, /* SCTP */
PT_TCP, /* TCP */
PT_UDP, /* UDP */
PT_DCCP, /* DCCP */
PT_IPX, /* IPX sockets */
PT_NCP, /* NCP connection */
PT_EXCHG, /* Fibre Channel exchange */
PT_DDP, /* DDP AppleTalk connection */
PT_SBCCS, /* FICON */
PT_IDP, /* XNS IDP sockets */
PT_TIPC, /* TIPC PORT */
PT_USB, /* USB endpoint 0xffff means the host */
PT_I2C,
PT_IBQP /* Infiniband QP number */
} port_type;
/* Types of circuit IDs Wireshark knows about. */
typedef enum {
CT_NONE, /* no circuit type */
CT_DLCI, /* Frame Relay DLCI */
CT_ISDN, /* ISDN channel number */
CT_X25, /* X.25 logical channel number */
CT_ISUP, /* ISDN User Part CIC */
CT_IAX2, /* IAX2 call id */
CT_H223, /* H.223 logical channel number */
CT_BICC /* BICC Circuit identifier */
/* Could also have ATM VPI/VCI pairs */
} circuit_type;
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __ADDRESS_H__ */
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