ph_stats_t*
ph_stats_new(capture_file *cf)
{
ph_stats_t *ps;
guint32 framenum;
frame_data *frame;
guint tot_packets, tot_bytes;
progdlg_t *progbar = NULL;
gboolean stop_flag;
int count;
wtap_rec rec;
Buffer buf;
float progbar_val;
GTimeVal start_time;
gchar status_str[100];
int progbar_nextstep;
int progbar_quantum;
if (!cf) return NULL;
pc_proto_id = proto_registrar_get_id_byname("pkt_comment");
/* Initialize the data */
ps = g_new(ph_stats_t, 1);
ps->tot_packets = 0;
ps->tot_bytes = 0;
ps->stats_tree = g_node_new(NULL);
ps->first_time = 0.0;
ps->last_time = 0.0;
/* Update the progress bar when it gets to this value. */
progbar_nextstep = 0;
/* When we reach the value that triggers a progress bar update,
bump that value by this amount. */
progbar_quantum = cf->count/N_PROGBAR_UPDATES;
/* Count of packets at which we've looked. */
count = 0;
/* Progress so far. */
progbar_val = 0.0f;
stop_flag = FALSE;
g_get_current_time(&start_time);
tot_packets = 0;
tot_bytes = 0;
wtap_rec_init(&rec);
ws_buffer_init(&buf, 1514);
for (framenum = 1; framenum <= cf->count; framenum++) {
frame = frame_data_sequence_find(cf->provider.frames, framenum);
/* Create the progress bar if necessary.
We check on every iteration of the loop, so that
it takes no longer than the standard time to create
it (otherwise, for a large file, we might take
considerably longer than that standard time in order
to get to the next progress bar step). */
if (progbar == NULL)
progbar = delayed_create_progress_dlg(
cf->window, "Computing",
"protocol hierarchy statistics",
TRUE, &stop_flag, &start_time, progbar_val);
/* Update the progress bar, but do it only N_PROGBAR_UPDATES
times; when we update it, we have to run the GTK+ main
loop to get it to repaint what's pending, and doing so
may involve an "ioctl()" to see if there's any pending
input from an X server, and doing that for every packet
can be costly, especially on a big file. */
if (count >= progbar_nextstep) {
/* let's not divide by zero. I should never be started
* with count == 0, so let's assert that
*/
g_assert(cf->count > 0);
progbar_val = (gfloat) count / cf->count;
if (progbar != NULL) {
g_snprintf(status_str, sizeof(status_str),
"%4u of %u frames", count, cf->count);
update_progress_dlg(progbar, progbar_val, status_str);
}
progbar_nextstep += progbar_quantum;
}
if (stop_flag) {
/* Well, the user decided to abort the statistics.
computation process Just stop. */
break;
}
/* Skip frames that are hidden due to the display filter.
XXX - should the progress bar count only packets that
passed the display filter? If so, it should
probably do so for other loops (see "file.c") that
look only at those packets. */
if (frame->passed_dfilter) {
if (frame->has_ts) {
if (tot_packets == 0) {
double cur_time = nstime_to_sec(&frame->abs_ts);
ps->first_time = cur_time;
ps->last_time = cur_time;
}
}
/* we don't care about colinfo */
if (!process_record(cf, frame, NULL, &rec, &buf, ps)) {
/*
* Give up, and set "stop_flag" so we
* just abort rather than popping up
* the statistics window.
*/
stop_flag = TRUE;
break;
}
tot_packets++;
tot_bytes += frame->pkt_len;
}
count++;
}
wtap_rec_cleanup(&rec);
ws_buffer_free(&buf);
/* We're done calculating the statistics; destroy the progress bar
if it was created. */
if (progbar != NULL)
destroy_progress_dlg(progbar);
if (stop_flag) {
/*
* We quit in the middle; throw away the statistics
* and return NULL, so our caller doesn't pop up a
* window with the incomplete statistics.
*/
ph_stats_free(ps);
return NULL;
}
ps->tot_packets = tot_packets;
ps->tot_bytes = tot_bytes;
return ps;
}
int
main(int argc, char *argv[])
{
GString *comp_info_str;
GString *runtime_info_str;
char *init_progfile_dir_error;
wtap *wth = NULL;
wtap_dumper *pdh = NULL;
wtap_rec dump_rec;
Buffer buf;
int err;
gchar *err_info;
gint64 data_offset;
const wtap_rec *rec;
guint wrong_order_count = 0;
gboolean write_output_regardless = TRUE;
guint i;
GArray *shb_hdrs = NULL;
wtapng_iface_descriptions_t *idb_inf = NULL;
GArray *nrb_hdrs = NULL;
int ret = EXIT_SUCCESS;
GPtrArray *frames;
FrameRecord_t *prevFrame = NULL;
int opt;
static const struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'v'},
{0, 0, 0, 0 }
};
int file_count;
char *infile;
const char *outfile;
cmdarg_err_init(failure_warning_message, failure_message_cont);
/* Get the compile-time version information string */
comp_info_str = get_compiled_version_info(NULL, NULL);
/* Get the run-time version information string */
runtime_info_str = get_runtime_version_info(NULL);
/* Add it to the information to be reported on a crash. */
ws_add_crash_info("Reordercap (Wireshark) %s\n"
"\n"
"%s"
"\n"
"%s",
get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
g_string_free(comp_info_str, TRUE);
g_string_free(runtime_info_str, TRUE);
/*
* Get credential information for later use.
*/
init_process_policies();
/*
* Attempt to get the pathname of the directory containing the
* executable file.
*/
init_progfile_dir_error = init_progfile_dir(argv[0]);
if (init_progfile_dir_error != NULL) {
fprintf(stderr,
"reordercap: Can't get pathname of directory containing the reordercap program: %s.\n",
init_progfile_dir_error);
g_free(init_progfile_dir_error);
}
init_report_message(failure_warning_message, failure_warning_message,
NULL, NULL, NULL);
wtap_init(TRUE);
/* Process the options first */
while ((opt = getopt_long(argc, argv, "hnv", long_options, NULL)) != -1) {
switch (opt) {
case 'n':
write_output_regardless = FALSE;
break;
case 'h':
printf("Reordercap (Wireshark) %s\n"
"Reorder timestamps of input file frames into output file.\n"
"See https://www.wireshark.org for more information.\n",
get_ws_vcs_version_info());
print_usage(stdout);
goto clean_exit;
case 'v':
comp_info_str = get_compiled_version_info(NULL, NULL);
runtime_info_str = get_runtime_version_info(NULL);
show_version("Reordercap (Wireshark)", comp_info_str, runtime_info_str);
g_string_free(comp_info_str, TRUE);
g_string_free(runtime_info_str, TRUE);
goto clean_exit;
case '?':
print_usage(stderr);
ret = INVALID_OPTION;
goto clean_exit;
}
}
/* Remaining args are file names */
file_count = argc - optind;
if (file_count == 2) {
infile = argv[optind];
outfile = argv[optind+1];
}
else {
print_usage(stderr);
ret = INVALID_OPTION;
goto clean_exit;
}
/* Open infile */
/* TODO: if reordercap is ever changed to give the user a choice of which
open_routine reader to use, then the following needs to change. */
wth = wtap_open_offline(infile, WTAP_TYPE_AUTO, &err, &err_info, TRUE);
if (wth == NULL) {
cfile_open_failure_message("reordercap", infile, err, err_info);
ret = OPEN_ERROR;
goto clean_exit;
}
DEBUG_PRINT("file_type_subtype is %d\n", wtap_file_type_subtype(wth));
shb_hdrs = wtap_file_get_shb_for_new_file(wth);
idb_inf = wtap_file_get_idb_info(wth);
nrb_hdrs = wtap_file_get_nrb_for_new_file(wth);
/* Open outfile (same filetype/encap as input file) */
if (strcmp(outfile, "-") == 0) {
pdh = wtap_dump_open_stdout_ng(wtap_file_type_subtype(wth), wtap_file_encap(wth),
wtap_snapshot_length(wth), FALSE, shb_hdrs, idb_inf, nrb_hdrs, &err);
} else {
pdh = wtap_dump_open_ng(outfile, wtap_file_type_subtype(wth), wtap_file_encap(wth),
wtap_snapshot_length(wth), FALSE, shb_hdrs, idb_inf, nrb_hdrs, &err);
}
g_free(idb_inf);
idb_inf = NULL;
if (pdh == NULL) {
cfile_dump_open_failure_message("reordercap", outfile, err,
wtap_file_type_subtype(wth));
wtap_block_array_free(shb_hdrs);
wtap_block_array_free(nrb_hdrs);
ret = OUTPUT_FILE_ERROR;
goto clean_exit;
}
/* Allocate the array of frame pointers. */
frames = g_ptr_array_new();
/* Read each frame from infile */
while (wtap_read(wth, &err, &err_info, &data_offset)) {
FrameRecord_t *newFrameRecord;
rec = wtap_get_rec(wth);
newFrameRecord = g_slice_new(FrameRecord_t);
newFrameRecord->num = frames->len + 1;
newFrameRecord->offset = data_offset;
if (rec->presence_flags & WTAP_HAS_TS) {
newFrameRecord->frame_time = rec->ts;
} else {
nstime_set_unset(&newFrameRecord->frame_time);
}
if (prevFrame && frames_compare(&newFrameRecord, &prevFrame) < 0) {
wrong_order_count++;
}
g_ptr_array_add(frames, newFrameRecord);
prevFrame = newFrameRecord;
}
if (err != 0) {
/* Print a message noting that the read failed somewhere along the line. */
cfile_read_failure_message("reordercap", infile, err, err_info);
}
printf("%u frames, %u out of order\n", frames->len, wrong_order_count);
/* Sort the frames */
if (wrong_order_count > 0) {
g_ptr_array_sort(frames, frames_compare);
}
/* Write out each sorted frame in turn */
wtap_rec_init(&dump_rec);
ws_buffer_init(&buf, 1500);
for (i = 0; i < frames->len; i++) {
FrameRecord_t *frame = (FrameRecord_t *)frames->pdata[i];
/* Avoid writing if already sorted and configured to */
if (write_output_regardless || (wrong_order_count > 0)) {
frame_write(frame, wth, pdh, &dump_rec, &buf, infile, outfile);
}
g_slice_free(FrameRecord_t, frame);
}
wtap_rec_cleanup(&dump_rec);
ws_buffer_free(&buf);
if (!write_output_regardless && (wrong_order_count == 0)) {
printf("Not writing output file because input file is already in order.\n");
}
/* Free the whole array */
g_ptr_array_free(frames, TRUE);
/* Close outfile */
if (!wtap_dump_close(pdh, &err)) {
cfile_close_failure_message(outfile, err);
wtap_block_array_free(shb_hdrs);
wtap_block_array_free(nrb_hdrs);
ret = OUTPUT_FILE_ERROR;
goto clean_exit;
}
wtap_block_array_free(shb_hdrs);
wtap_block_array_free(nrb_hdrs);
/* Finally, close infile and release resources. */
wtap_close(wth);
clean_exit:
wtap_cleanup();
free_progdirs();
return ret;
}
