ui/cli/tap-camelcounter.c

   1 /* tap_camelcounter.c
   2  * camel message counter for tshark
   3  * Copyright 2006 Florent DROUIN
   4  *
   5  * $Id$
   6  *
   7  * This part of code is extracted from tap-h225counter.c from Lars Roland
   8  *
   9  * Wireshark - Network traffic analyzer
  10  * By Gerald Combs <gerald@wireshark.org>
  11  * Copyright 1998 Gerald Combs
  12  *
  13  * This program is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU General Public License
  15  * as published by the Free Software Foundation; either version 2
  16  * of the License, or (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with this program; if not, write to the Free Software
  25  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  26  */
  27
  28 #include "config.h"
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33
  34 #include "epan/packet.h"
  35 #include "epan/packet_info.h"
  36 #include "epan/tap.h"
  37 #include "epan/value_string.h"
  38 #include "epan/stat_cmd_args.h"
  39 #include "epan/asn1.h"
  40 #include "epan/camel-persistentdata.h"
  41
  42 void register_tap_listener_camelcounter(void);
  43
  44 /* used to keep track of the statistics for an entire program interface */
  45 struct camelcounter_t {
  46   char *filter;
  47   guint32 camel_msg[camel_MAX_NUM_OPR_CODES];
  48 };
  49
  50
  51 static void camelcounter_reset(void *phs)
  52 {
  53   struct camelcounter_t * p_counter= ( struct camelcounter_t *) phs;
  54   memset(p_counter,0,sizeof(struct camelcounter_t));
  55 }
  56
  57 static int camelcounter_packet(void *phs,
  58                                packet_info *pinfo _U_,
  59                                epan_dissect_t *edt _U_,
  60                                const void *phi)
  61 {
  62   struct camelcounter_t * p_counter =(struct camelcounter_t *)phs;
  63   const struct camelsrt_info_t * pi=(const struct camelsrt_info_t *)phi;
  64   if (pi->opcode != 255)
  65     p_counter->camel_msg[pi->opcode]++;
  66
  67   return 1;
  68 }
  69
  70
  71 static void camelcounter_draw(void *phs)
  72 {
  73   struct camelcounter_t * p_counter= (struct camelcounter_t *)phs;
  74   int i;
  75   printf("\n");
  76   printf("CAMEL Message and Response Status Counter:\n");
  77   printf("------------------------------------------\n");
  78
  79   for(i=0;i<camel_MAX_NUM_OPR_CODES;i++) {
  80     /* Message counter */
  81     if(p_counter->camel_msg[i]!=0) {
  82       printf("%30s ", val_to_str(i,camel_opr_code_strings,"Unknown message "));
  83       printf("%6d\n", p_counter->camel_msg[i]);
  84     }
  85   } /* Message Type */
  86   printf("------------------------------------------\n");
  87 }
  88
  89 static void camelcounter_init(const char *opt_arg, void* userdata _U_)
  90 {
  91   struct camelcounter_t *p_camelcounter;
  92   GString *error_string;
  93
  94   p_camelcounter = g_new(struct camelcounter_t,1);
  95   if(!strncmp(opt_arg,"camel,counter,",13)){
  96     p_camelcounter->filter=g_strdup(opt_arg+13);
  97   } else {
  98     p_camelcounter->filter=NULL;
  99   }
 100
 101   camelcounter_reset(p_camelcounter);
 102
 103   error_string=register_tap_listener("CAMEL",
 104                                      p_camelcounter,
 105                                      p_camelcounter->filter,
 106                                      0,
 107                                      NULL,
 108                                      camelcounter_packet,
 109                                      camelcounter_draw);
 110
 111   if(error_string){
 112     /* error, we failed to attach to the tap. clean up */
 113     g_free(p_camelcounter->filter);
 114     g_free(p_camelcounter);
 115
 116     fprintf(stderr, "tshark: Couldn't register camel,counter tap: %s\n",
 117             error_string->str);
 118     g_string_free(error_string, TRUE);
 119     exit(1);
 120   }
 121 }
 122
 123
 124 void  /* Next line mandatory */
 125 register_tap_listener_camelcounter(void)
 126 {
 127   register_stat_cmd_arg("camel,counter", camelcounter_init, NULL);
 128 }