forked from osmocom/wireshark
91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
/* capture_info.c
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* capture info functions
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <config.h>
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#ifdef HAVE_LIBPCAP
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#include <glib.h>
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#include <epan/packet.h>
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#include <wiretap/wtap.h>
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#include "capture_info.h"
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#include <epan/capture_dissectors.h>
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static void
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capture_info_packet(info_data_t* cap_info, gint wtap_linktype, const guchar *pd, guint32 caplen, union wtap_pseudo_header *pseudo_header)
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{
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capture_packet_info_t cpinfo;
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/* Setup the capture packet structure */
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cpinfo.counts = cap_info->counts.counts_hash;
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cap_info->counts.total++;
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if (!try_capture_dissector("wtap_encap", wtap_linktype, pd, 0, caplen, &cpinfo, pseudo_header))
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cap_info->counts.other++;
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}
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/* new packets arrived */
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void capture_info_new_packets(int to_read, wtap *wth, info_data_t* cap_info)
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{
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int err;
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gchar *err_info;
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gint64 data_offset;
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wtap_rec rec;
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Buffer buf;
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union wtap_pseudo_header *pseudo_header;
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int wtap_linktype;
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cap_info->ui.new_packets = to_read;
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/*g_warning("new packets: %u", to_read);*/
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wtap_rec_init(&rec);
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ws_buffer_init(&buf, 1514);
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while (to_read > 0) {
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wtap_cleareof(wth);
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if (wtap_read(wth, &rec, &buf, &err, &err_info, &data_offset)) {
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if (rec.rec_type == REC_TYPE_PACKET) {
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pseudo_header = &rec.rec_header.packet_header.pseudo_header;
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wtap_linktype = rec.rec_header.packet_header.pkt_encap;
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capture_info_packet(cap_info, wtap_linktype,
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ws_buffer_start_ptr(&buf),
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rec.rec_header.packet_header.caplen,
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pseudo_header);
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/*g_warning("new packet");*/
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to_read--;
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}
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}
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}
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wtap_rec_cleanup(&rec);
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ws_buffer_free(&buf);
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capture_info_ui_update(&cap_info->ui);
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}
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#endif /* HAVE_LIBPCAP */
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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