forked from osmocom/wireshark
104 lines
2.5 KiB
C
104 lines
2.5 KiB
C
/* 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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*/
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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_stats_status
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get_stats_for_preview(wtap *wth, ws_file_preview_stats *stats,
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int *err, gchar **err_info)
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{
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gint64 data_offset;
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wtap_rec rec;
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Buffer buf;
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guint32 records;
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guint32 data_records;
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double start_time;
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double stop_time;
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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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have_times = FALSE;
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start_time = 0;
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stop_time = 0;
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records = 0;
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data_records = 0;
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timed_out = FALSE;
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time(&time_preview);
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wtap_rec_init(&rec);
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ws_buffer_init(&buf, 1514);
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while ((wtap_read(wth, &rec, &buf, err, err_info, &data_offset))) {
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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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start_time = cur_time;
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stop_time = cur_time;
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have_times = TRUE;
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}
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if (cur_time < start_time) {
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start_time = cur_time;
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}
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if (cur_time > stop_time){
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stop_time = cur_time;
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}
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}
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switch (rec.rec_type) {
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case REC_TYPE_PACKET:
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case REC_TYPE_FT_SPECIFIC_EVENT:
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case REC_TYPE_FT_SPECIFIC_REPORT:
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case REC_TYPE_SYSCALL:
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case REC_TYPE_SYSTEMD_JOURNAL_EXPORT:
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data_records++;
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break;
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}
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records++;
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if ((records % 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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wtap_rec_reset(&rec);
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}
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stats->have_times = have_times;
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stats->start_time = start_time;
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stats->stop_time = stop_time;
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stats->records = records;
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stats->data_records = data_records;
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wtap_rec_cleanup(&rec);
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ws_buffer_free(&buf);
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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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return timed_out ? PREVIEW_TIMED_OUT : PREVIEW_SUCCEEDED;
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}
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