forked from osmocom/wireshark
96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
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/* file_dialog.c
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* Common file dialog routines
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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 2006 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later*/
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#include "config.h"
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#include <time.h>
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#include <glib.h>
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#include <wsutil/nstime.h>
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#include <wiretap/wtap.h>
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#include <epan/prefs.h>
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#include "ui/file_dialog.h"
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ws_file_preview_times_status
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get_times_for_preview(wtap *wth, ws_file_preview_times *times,
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guint32 *num_packets, int *err, gchar **err_info)
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{
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gint64 data_offset;
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const wtap_rec *rec;
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guint32 packets;
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gboolean have_times;
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gboolean timed_out;
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time_t time_preview, time_current;
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double cur_time;
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times->start_time = 0;
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times->stop_time = 0;
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packets = 0;
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have_times = FALSE;
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timed_out = FALSE;
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time(&time_preview);
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while ((wtap_read(wth, err, err_info, &data_offset))) {
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rec = wtap_get_rec(wth);
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if (rec->presence_flags & WTAP_HAS_TS) {
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cur_time = nstime_to_sec(&rec->ts);
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if (!have_times) {
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times->start_time = cur_time;
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times->stop_time = cur_time;
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have_times = TRUE;
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}
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if (cur_time < times->start_time) {
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times->start_time = cur_time;
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}
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if (cur_time > times->stop_time){
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times->stop_time = cur_time;
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}
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}
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packets++;
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if (packets%1000 == 0) {
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/* do we have a timeout? */
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time(&time_current);
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if (time_current-time_preview >= (time_t) prefs.gui_fileopen_preview) {
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timed_out = TRUE;
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break;
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}
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}
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}
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*num_packets = packets;
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if (*err != 0) {
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/* Read error. */
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return PREVIEW_READ_ERROR;
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}
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if (have_times) {
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if (timed_out)
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return PREVIEW_TIMED_OUT;
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else
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return PREVIEW_HAVE_TIMES;
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} else
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return PREVIEW_HAVE_NO_TIMES;
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}
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/*
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* Editor modelines
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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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* ex: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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