b24a45c354
Change-Id: I320386b02bea09658636a9281ee3cbba34a5e4cd Reviewed-on: https://code.wireshark.org/review/9188 Petri-Dish: Martin Mathieson <martin.r.mathieson@googlemail.com> Reviewed-by: Martin Kaiser <wireshark@kaiser.cx> Reviewed-by: Anders Broman <a.broman58@gmail.com>
197 lines
5.9 KiB
C
197 lines
5.9 KiB
C
/* tap-srt.c
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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 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <epan/packet.h>
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#include <epan/srt_table.h>
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#include <epan/timestamp.h>
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#include <epan/stat_tap_ui.h>
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#include <ui/cli/tshark-tap.h>
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#define NANOSECS_PER_SEC 1000000000
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typedef struct _srt_t {
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const char *type;
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const char *filter;
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srt_data_t data;
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} srt_t;
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static void
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draw_srt_table_data(srt_stat_table *rst, gboolean draw_footer)
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{
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int i;
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guint64 td;
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guint64 sum;
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if (rst->num_procs > 0) {
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printf("Filter: %s\n", rst->filter_string ? rst->filter_string : "");
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printf("Index %-22s Calls Min SRT Max SRT Avg SRT Sum SRT\n", (rst->proc_column_name != NULL) ? rst->proc_column_name : "Procedure");
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}
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for(i=0;i<rst->num_procs;i++){
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/* ignore procedures with no calls (they don't have rows) */
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if(rst->procedures[i].stats.num==0){
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continue;
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}
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/* Scale the average SRT in units of 1us and round to the nearest us.
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tot.secs is a time_t which may be 32 or 64 bits (or even floating)
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depending uon the platform. After casting tot.secs to 64 bits, it
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would take a capture with a duration of over 136 *years* to
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overflow the secs portion of td. */
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td = ((guint64)(rst->procedures[i].stats.tot.secs))*NANOSECS_PER_SEC + rst->procedures[i].stats.tot.nsecs;
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sum = (td + 500) / 1000;
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td = ((td / rst->procedures[i].stats.num) + 500) / 1000;
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printf("%5d %-22s %6u %3d.%06d %3d.%06d %3d.%06d %3d.%06d\n",
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i, rst->procedures[i].procedure,
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rst->procedures[i].stats.num,
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(int)rst->procedures[i].stats.min.secs, (rst->procedures[i].stats.min.nsecs+500)/1000,
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(int)rst->procedures[i].stats.max.secs, (rst->procedures[i].stats.max.nsecs+500)/1000,
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(int)(td/1000000), (int)(td%1000000),
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(int)(sum/1000000), (int)(sum%1000000)
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);
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}
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if (draw_footer)
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printf("==================================================================\n");
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}
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static void
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srt_draw(void *arg)
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{
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guint i = 0;
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srt_data_t* data = (srt_data_t*)arg;
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srt_t *ui = (srt_t *)data->user_data;
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srt_stat_table *srt_table;
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gboolean need_newline = FALSE;
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printf("\n");
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printf("===================================================================\n");
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printf("%s SRT Statistics:\n", ui->type);
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srt_table = g_array_index(data->srt_array, srt_stat_table*, i);
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draw_srt_table_data(srt_table, data->srt_array->len == 1);
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if (srt_table->num_procs > 0) {
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need_newline = TRUE;
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}
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for (i = 1; i < data->srt_array->len; i++)
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{
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if (need_newline)
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{
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printf("\n");
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need_newline = FALSE;
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}
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srt_table = g_array_index(data->srt_array, srt_stat_table*, i);
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draw_srt_table_data(srt_table, i == data->srt_array->len-1);
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if (srt_table->num_procs > 0) {
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need_newline = TRUE;
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}
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}
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}
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static GArray* global_srt_array;
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static void
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init_srt_tables(register_srt_t* srt, const char *filter)
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{
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srt_t *ui;
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GString *error_string;
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ui = g_new0(srt_t, 1);
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ui->type = proto_get_protocol_short_name(find_protocol_by_id(get_srt_proto_id(srt)));
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ui->filter = g_strdup(filter);
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ui->data.srt_array = global_srt_array;
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ui->data.user_data = ui;
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error_string = register_tap_listener(get_srt_tap_listener_name(srt), &ui->data, filter, 0, NULL, get_srt_packet_func(srt), srt_draw);
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if (error_string) {
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free_srt_table(srt, global_srt_array, NULL, NULL);
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g_free(ui);
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fprintf(stderr, "tshark: Couldn't register srt tap: %s\n", error_string->str);
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g_string_free(error_string, TRUE);
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exit(1);
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}
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}
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static void
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dissector_srt_init(const char *opt_arg, void* userdata)
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{
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register_srt_t *srt = (register_srt_t*)userdata;
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const char *filter=NULL;
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char* err;
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srt_table_get_filter(srt, opt_arg, &filter, &err);
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if (err != NULL)
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{
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gchar* cmd_str = srt_table_get_tap_string(srt);
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fprintf(stderr, "tshark: invalid \"-z %s,%s\" argument\n", cmd_str, err);
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g_free(cmd_str);
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g_free(err);
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exit(1);
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}
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/* Need to create the SRT array now */
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global_srt_array = g_array_new(FALSE, TRUE, sizeof(srt_stat_table*));
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srt_table_dissector_init(srt, global_srt_array, NULL, NULL);
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init_srt_tables(srt, filter);
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}
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/* Set GUI fields for register_srt list */
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void
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register_srt_tables(gpointer data, gpointer user_data _U_)
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{
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register_srt_t *srt = (register_srt_t*)data;
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const char* short_name = proto_get_protocol_short_name(find_protocol_by_id(get_srt_proto_id(srt)));
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stat_tap_ui ui_info;
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/* XXX - CAMEL dissector hasn't been converted over due seemingly different tap packet
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handling functions. So let the existing TShark CAMEL tap keep its registration */
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if (strcmp(short_name, "CAMEL") == 0)
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return;
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ui_info.group = REGISTER_STAT_GROUP_RESPONSE_TIME;
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ui_info.title = NULL; /* construct this from the protocol info? */
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ui_info.cli_string = srt_table_get_tap_string(srt);
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ui_info.tap_init_cb = dissector_srt_init;
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ui_info.nparams = 0;
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ui_info.params = NULL;
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register_stat_tap_ui(&ui_info, srt);
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 8
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=8 tabstop=8 noexpandtab:
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* :indentSize=8:tabSize=8:noTabs=false:
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*/
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