tap-stats_tree.c

   1 /* tap-stats_tree.c
   2  * tshark's tap implememntation of stats_tree
   3  * 2005, Luis E. G. Ontanon
   4  *
   5  * $Id$
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  24  */
  25
  26 #ifdef HAVE_CONFIG_H
  27 #include "config.h"
  28 #endif
  29
  30 #include <string.h>
  31 #include <stdio.h>
  32 #include <glib.h>
  33 #include <epan/stats_tree_priv.h>
  34 #include <epan/stat_cmd_args.h>
  35 #include <epan/report_err.h>
  36
  37 /* actually unused */
  38 struct _st_node_pres {
  39         void* dummy;
  40 };
  41
  42 struct _tree_pres {
  43         void* dummy;
  44 };
  45
  46 struct _tree_cfg_pres {
  47         guint8* init_string;
  48 };
  49
  50 static void draw_stats_tree(void *psp) {
  51         stats_tree *st = psp;
  52         GString* s;
  53         gchar* fmt;
  54         stat_node* child;
  55
  56         s = g_string_new("\n===================================================================\n");
  57         fmt = g_strdup_printf(" %%s%%-%us%%12s\t%%12s\t%%12s\n",stats_tree_branch_max_namelen(&st->root,0));
  58         g_string_sprintfa(s,fmt,"",st->cfg->name,"value","rate","percent");
  59         g_free(fmt);
  60         g_string_sprintfa(s,"-------------------------------------------------------------------\n");
  61
  62         for (child = st->root.children; child; child = child->next ) {
  63                 stats_tree_branch_to_str(child,s,0);
  64         }
  65
  66         s = g_string_append(s,"\n===================================================================\n");
  67
  68         printf("%s",s->str);
  69
  70 }
  71
  72 static void  init_stats_tree(const char *optarg,void* userdata _U_) {
  73         guint8* abbr = stats_tree_get_abbr(optarg);
  74         GString *error_string;
  75         stats_tree_cfg *cfg = NULL;
  76         stats_tree* st = NULL;
  77
  78         if (abbr) {
  79                 cfg = stats_tree_get_cfg_by_abbr(abbr);
  80
  81                 if (cfg != NULL) {
  82                         if (strncmp (optarg, cfg->pr->init_string, strlen(cfg->pr->init_string)) == 0){
  83                                 st = stats_tree_new(cfg,NULL,((guint8*)optarg)+strlen(cfg->pr->init_string));
  84                         } else {
  85                                 report_failure("Wrong stats_tree (%s) found when looking at ->init_string",abbr);
  86                                 return;
  87                         }
  88                 } else {
  89                         report_failure("no such stats_tree (%s) found in stats_tree registry",abbr);
  90                         return;
  91                 }
  92
  93                 g_free(abbr);
  94
  95         } else {
  96                 report_failure("could not obtain stats_tree abbr (%s) from grg '%s'",abbr,optarg);
  97                 return;
  98         }
  99
 100         error_string = register_tap_listener( st->cfg->tapname,
 101                                                                                   st,
 102                                                                                   st->filter,
 103                                                                                   stats_tree_reset,
 104                                                                                   stats_tree_packet,
 105                                                                                   draw_stats_tree);
 106
 107         if (error_string) {
 108                 report_failure("stats_tree for: %s failed to attach to the tap: %s",cfg->name,error_string->str);
 109                 return;
 110         }
 111
 112         if (cfg->init) cfg->init(st);
 113
 114 }
 115
 116 void register_stats_tree_tap (gpointer k _U_, gpointer v, gpointer p _U_) {
 117         stats_tree_cfg* cfg = v;
 118
 119         cfg->pr = g_malloc(sizeof(tree_cfg_pres));
 120         cfg->pr->init_string = g_strdup_printf("%s,tree",cfg->abbr);
 121
 122         register_stat_cmd_arg(cfg->pr->init_string, init_stats_tree, NULL);
 123
 124 }
 125
 126 static void free_tree_presentation(stats_tree* st) {
 127         g_free(st->pr);
 128 }
 129
 130
 131 void
 132 register_tap_listener_stats_tree_stat(void)
 133 {
 134         stats_tree_presentation(register_stats_tree_tap,
 135                                                         NULL, NULL, NULL, NULL, NULL,
 136                                                         free_tree_presentation, NULL, NULL, NULL);
 137 }