2 * Definitions for structures storing addresses, and for the type of
3 * variables holding port-type values
7 * Ethereal - Network traffic analyzer
8 * By Gerald Combs <gerald@ethereal.com>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 /* Types of addresses Ethereal knows about. */
30 /* If a new address type is added here, a string representation procedure should */
31 /* also be included in address_to_str_buf defined in to_str.c, for presentation purposes */
34 AT_NONE, /* no link-layer address */
35 AT_ETHER, /* MAC (Ethernet, 802.x, FDDI) address */
40 AT_ATALK, /* Appletalk DDP */
41 AT_VINES, /* Banyan Vines */
42 AT_OSI, /* OSI NSAP */
43 AT_ARCNET, /* ARCNET */
44 AT_FC, /* Fibre Channel */
45 AT_SS7PC, /* SS7 Point Code */
46 AT_STRINGZ, /* null-terminated string */
47 AT_EUI64, /* IEEE EUI-64 */
48 AT_URI /* URI/URL/URN */
51 typedef struct _address {
52 address_type type; /* type of address */
53 int len; /* length of address, in bytes */
54 const guint8 *data; /* bytes that constitute address */
57 #define SET_ADDRESS(addr, addr_type, addr_len, addr_data) { \
58 (addr)->type = (addr_type); \
59 (addr)->len = (addr_len); \
60 (addr)->data = (void *)(addr_data); \
64 * Given two addresses, return
65 * 0 if the addresses are equal,
66 * a positive number if addr1>addr2 in some nondefined metric,
67 * a negative number if addr1<addr2 in some nondefined metric
69 #define CMP_ADDRESS(addr1, addr2) \
70 ( ((addr1)->type > (addr2)->type)?1: \
71 ((addr1)->type < (addr2)->type)?-1: \
72 ((addr1)->len > (addr2)->len) ?1: \
73 ((addr1)->len < (addr2)->len) ?-1: \
74 memcmp((addr1)->data, (addr2)->data, (addr1)->len)\
78 * Given two addresses, return "true" if they're equal, "false" otherwise.
79 * Addresses are equal only if they have the same type; if the type is
80 * AT_NONE, they are then equal, otherwise they must have the same
81 * amount of data and the data must be the same.
83 #define ADDRESSES_EQUAL(addr1, addr2) \
85 (addr1)->type == (addr2)->type && \
87 (addr1)->type == AT_NONE || \
89 (addr1)->len == (addr2)->len && \
90 memcmp((addr1)->data, (addr2)->data, (addr1)->len) == 0 \
96 * Copy an address, allocating a new buffer for the address data.
98 #define COPY_ADDRESS(to, from) { \
99 guint8 *COPY_ADDRESS_data; \
100 (to)->type = (from)->type; \
101 (to)->len = (from)->len; \
102 COPY_ADDRESS_data = g_malloc((from)->len); \
103 memcpy(COPY_ADDRESS_data, (from)->data, (from)->len); \
104 (to)->data = COPY_ADDRESS_data; \
107 /* Types of port numbers Ethereal knows about. */
109 PT_NONE, /* no port number */
114 PT_IPX, /* IPX sockets */
115 PT_NCP, /* NCP connection */
116 PT_EXCHG, /* Fibre Channel exchange */
117 PT_DDP, /* DDP AppleTalk connection */
118 PT_SBCCS, /* FICON */
119 PT_IDP /* XNS IDP sockets */
122 /* Types of circuit IDs Ethereal knows about. */
124 CT_NONE, /* no circuit type */
125 CT_DLCI, /* Frame Relay DLCI */
126 CT_ISDN, /* ISDN channel number */
127 CT_X25, /* X.25 logical channel number */
128 CT_ISUP, /* ISDN User Part CIC */
129 CT_IAX2, /* IAX2 call id */
130 CT_H223, /* H.223 logical channel number */
131 CT_BICC /* BICC Circuit identifier */
132 /* Could also have ATM VPI/VCI pairs */
135 #endif /* __ADDRESS_H__ */