2 * capture info functions
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@ethereal.com>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
33 #include <epan/packet.h>
34 /* XXX - try to remove this later */
35 #include <epan/prefs.h>
36 /* XXX - try to remove this later */
38 #include "capture_info.h"
40 #include <epan/dissectors/packet-ap1394.h>
41 #include <epan/dissectors/packet-atalk.h>
42 #include <epan/dissectors/packet-atm.h>
43 #include <epan/dissectors/packet-clip.h>
44 #include <epan/dissectors/packet-eth.h>
45 #include <epan/dissectors/packet-fddi.h>
46 #include <epan/dissectors/packet-fr.h>
47 #include <epan/dissectors/packet-null.h>
48 #include <epan/dissectors/packet-ppp.h>
49 #include <epan/dissectors/packet-raw.h>
50 #include <epan/dissectors/packet-sll.h>
51 #include <epan/dissectors/packet-tr.h>
52 #include <epan/dissectors/packet-ieee80211.h>
53 #include <epan/dissectors/packet-radiotap.h>
54 #include <epan/dissectors/packet-chdlc.h>
55 #include <epan/dissectors/packet-prism.h>
56 #include <epan/dissectors/packet-ipfc.h>
57 #include <epan/dissectors/packet-arcnet.h>
58 #include <epan/dissectors/packet-enc.h>
60 static void capture_info_packet(
61 packet_counts *counts, gint wtap_linktype, const guchar *pd, guint32 caplen, union wtap_pseudo_header *pseudo_header);
65 typedef struct _info_data {
66 packet_counts counts; /* several packet type counters */
67 struct wtap* wtap; /* current wtap file */
68 capture_info ui; /* user interface data */
72 info_data_t info_data;
76 void capture_info_open(const char *iface)
78 info_data.counts.total = 0;
79 info_data.counts.sctp = 0;
80 info_data.counts.tcp = 0;
81 info_data.counts.udp = 0;
82 info_data.counts.icmp = 0;
83 info_data.counts.ospf = 0;
84 info_data.counts.gre = 0;
85 info_data.counts.ipx = 0;
86 info_data.counts.netbios = 0;
87 info_data.counts.vines = 0;
88 info_data.counts.other = 0;
89 info_data.counts.arp = 0;
91 info_data.wtap = NULL;
92 info_data.ui.counts = &info_data.counts;
94 capture_info_ui_create(&info_data.ui, iface);
98 /* new file arrived */
99 void capture_info_new_file(const char *new_filename)
105 if(info_data.wtap != NULL) {
106 wtap_close(info_data.wtap);
109 info_data.wtap = wtap_open_offline(new_filename, &err, &err_info, FALSE);
110 if (!info_data.wtap) {
111 g_warning("capture_info_new_file: wtap open failed: %s", err_info);
117 /* new packets arrived */
118 void capture_info_new_packets(int to_read)
123 const struct wtap_pkthdr *phdr;
124 union wtap_pseudo_header *pseudo_header;
129 info_data.ui.new_packets = to_read;
131 /*g_warning("new packets: %u", to_read);*/
133 while (to_read != 0 && (wtap_read(info_data.wtap, &err, &err_info, &data_offset))) {
134 phdr = wtap_phdr(info_data.wtap);
135 pseudo_header = wtap_pseudoheader(info_data.wtap);
136 wtap_linktype = phdr->pkt_encap;
137 buf = wtap_buf_ptr(info_data.wtap);
139 capture_info_packet(&info_data.counts, wtap_linktype, buf, phdr->caplen, pseudo_header);
141 /*g_warning("new packet");*/
145 capture_info_ui_update(&info_data.ui);
150 void capture_info_close(void)
152 capture_info_ui_destroy(&info_data.ui);
154 wtap_close(info_data.wtap);
159 capture_info_packet(packet_counts *counts, gint wtap_linktype, const guchar *pd, guint32 caplen, union wtap_pseudo_header *pseudo_header)
162 switch (wtap_linktype) {
163 case WTAP_ENCAP_ETHERNET:
164 capture_eth(pd, 0, caplen, counts);
166 case WTAP_ENCAP_FDDI:
167 case WTAP_ENCAP_FDDI_BITSWAPPED:
168 capture_fddi(pd, caplen, counts);
170 case WTAP_ENCAP_PRISM_HEADER:
171 capture_prism(pd, 0, caplen, counts);
173 case WTAP_ENCAP_TOKEN_RING:
174 capture_tr(pd, 0, caplen, counts);
176 case WTAP_ENCAP_NULL:
177 capture_null(pd, caplen, counts);
180 capture_ppp_hdlc(pd, 0, caplen, counts);
182 case WTAP_ENCAP_RAW_IP:
183 capture_raw(pd, caplen, counts);
186 capture_sll(pd, caplen, counts);
188 case WTAP_ENCAP_LINUX_ATM_CLIP:
189 capture_clip(pd, caplen, counts);
191 case WTAP_ENCAP_IEEE_802_11:
192 case WTAP_ENCAP_IEEE_802_11_WITH_RADIO:
193 capture_ieee80211(pd, 0, caplen, counts);
195 case WTAP_ENCAP_IEEE_802_11_WLAN_RADIOTAP:
196 capture_radiotap(pd, 0, caplen, counts);
198 case WTAP_ENCAP_CHDLC:
199 capture_chdlc(pd, 0, caplen, counts);
201 case WTAP_ENCAP_LOCALTALK:
202 capture_llap(counts);
204 case WTAP_ENCAP_ATM_PDUS:
205 capture_atm(pseudo_header, pd, caplen, counts);
207 case WTAP_ENCAP_IP_OVER_FC:
208 capture_ipfc(pd, caplen, counts);
210 case WTAP_ENCAP_ARCNET:
211 capture_arcnet(pd, caplen, counts, FALSE, TRUE);
213 case WTAP_ENCAP_ARCNET_LINUX:
214 capture_arcnet(pd, caplen, counts, TRUE, FALSE);
216 case WTAP_ENCAP_APPLE_IP_OVER_IEEE1394:
217 capture_ap1394(pd, 0, caplen, counts);
219 case WTAP_ENCAP_FRELAY:
220 case WTAP_ENCAP_FRELAY_WITH_PHDR:
221 capture_fr(pd, 0, caplen, counts);
224 capture_enc(pd, caplen, counts);
226 /* XXX - some ATM drivers on FreeBSD might prepend a 4-byte ATM
227 pseudo-header to DLT_ATM_RFC1483, with LLC header following;
228 we might have to implement that at some point. */
233 #endif /* HAVE_LIBPCAP */