wireshark/capture_info.c

87 lines
2.1 KiB
C

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