/* new file arrived */
gboolean capture_info_new_file(const char *new_filename)
{
int err;
gchar *err_info;
gchar *err_msg;
if(info_data.wtap != NULL) {
wtap_close(info_data.wtap);
}
info_data.wtap = wtap_open_offline(new_filename, &err, &err_info, FALSE);
if (!info_data.wtap) {
err_msg = g_strdup_printf(cf_open_error_message(err, err_info, FALSE, WTAP_FILE_PCAP),
new_filename);
g_warning("capture_info_new_file: %d (%s)", err, err_msg);
g_free (err_msg);
return FALSE;
} else
return TRUE;
}
/* new file arrived */
gboolean capture_info_new_file(const char *new_filename, info_data_t* cap_info)
{
int err;
gchar *err_info;
gchar *err_msg;
if(cap_info->wtap != NULL) {
wtap_close(cap_info->wtap);
}
cap_info->wtap = wtap_open_offline(new_filename, WTAP_TYPE_AUTO, &err, &err_info, FALSE);
if (!cap_info->wtap) {
err_msg = g_strdup_printf(cf_open_error_message(err, err_info, FALSE, WTAP_FILE_TYPE_SUBTYPE_UNKNOWN),
new_filename);
g_warning("capture_info_new_file: %d (%s)", err, err_msg);
g_free (err_msg);
return FALSE;
} else
return TRUE;
}
cf_status_t cf_open(capture_file *cf, const char *fname, gboolean is_tempfile, int *err)
{
wtap *wth;
gchar *err_info;
//char err_msg[2048+1];
dprintf("%s: fname = %s\n", __FUNCTION__, fname);
dprintf("%s: is_tempfile = %d err = %p\n", __FUNCTION__, is_tempfile, err);
wth = wtap_open_offline(fname, err, &err_info, FALSE);
dprintf("wth = %p\n", wth);
if (wth == NULL)
goto fail;
/* The open succeeded. Fill in the information for this file. */
#if WIRESHARK_1_4_0
/* Cleanup all data structures used for dissection. */
cleanup_dissection();
#endif
/* Initialize all data structures used for dissection. */
init_dissection();
cf->wth = wth;
cf->f_datalen = 0; /* not used, but set it anyway */
/* Set the file name because we need it to set the follow stream filter.
XXX - is that still true? We need it for other reasons, though,
in any case. */
cf->filename = g_strdup(fname);
/* Indicate whether it's a permanent or temporary file. */
cf->is_tempfile = is_tempfile;
/* If it's a temporary capture buffer file, mark it as not saved. */
cf->user_saved = !is_tempfile;
cf->cd_t = wtap_file_type(cf->wth);
cf->count = 0;
cf->drops_known = FALSE;
cf->drops = 0;
cf->snap = wtap_snapshot_length(cf->wth);
if (cf->snap == 0)
{
/* Snapshot length not known. */
cf->has_snap = FALSE;
cf->snap = WTAP_MAX_PACKET_SIZE;
}
else
cf->has_snap = TRUE;
nstime_set_zero(&cf->elapsed_time);
nstime_set_unset(&first_ts);
nstime_set_unset(&prev_dis_ts);
nstime_set_unset(&prev_cap_ts);
dprintf("%s: exiting\n", __FUNCTION__);
return CF_OK;
fail:
g_snprintf(sharktools_errmsg, sizeof(sharktools_errmsg),
cf_open_error_message(*err, err_info, cf->cd_t), fname);
return CF_ERROR;
}