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
  32 #include <string.h>
  33 #include "epan/packet.h"
  34 #include "epan/packet_info.h"
  35 #include "epan/tap.h"
  36 #include "epan/value_string.h"
  37 #include "epan/stat_cmd_args.h"
  38 #include "epan/asn1.h"
  39 #include "epan/camel-persistentdata.h"
  40
  41 void register_tap_listener_camelcounter(void);
  42
  43 /* used to keep track of the statistics for an entire program interface */
  44 struct camelcounter_t {
  45   char *filter;
  46   guint32 camel_msg[camel_MAX_NUM_OPR_CODES];
  47 };
  48
  49
  50 static void camelcounter_reset(void *phs)
  51 {
  52   struct camelcounter_t * p_counter= ( struct camelcounter_t *) phs;
  53   memset(p_counter,0,sizeof(struct camelcounter_t));
  54 }
  55
  56 static int camelcounter_packet(void *phs,
  57                                packet_info *pinfo _U_,
  58                                epan_dissect_t *edt _U_,
  59                                const void *phi)
  60 {
  61   struct camelcounter_t * p_counter =(struct camelcounter_t *)phs;
  62   const struct camelsrt_info_t * pi=(const struct camelsrt_info_t *)phi;
  63   if (pi->opcode != 255)
  64     p_counter->camel_msg[pi->opcode]++;
  65
  66   return 1;
  67 }
  68
  69
  70 static void camelcounter_draw(void *phs)
  71 {
  72   struct camelcounter_t * p_counter= (struct camelcounter_t *)phs;
  73   int i;
  74   printf("\n");
  75   printf("CAMEL Message and Response Status Counter:\n");
  76   printf("------------------------------------------\n");
  77
  78   for(i=0;i<camel_MAX_NUM_OPR_CODES;i++) {
  79     /* Message counter */
  80     if(p_counter->camel_msg[i]!=0) {
  81       printf("%30s ", val_to_str(i,camel_opr_code_strings,"Unknown message "));
  82       printf("%6d\n", p_counter->camel_msg[i]);
  83     }
  84   } /* Message Type */
  85   printf("------------------------------------------\n");
  86 }
  87
  88 static void camelcounter_init(const char *opt_arg, void* userdata _U_)
  89 {
  90   struct camelcounter_t *p_camelcounter;
  91   GString *error_string;
  92
  93   p_camelcounter = g_new(struct camelcounter_t,1);
  94   if(!strncmp(opt_arg,"camel,counter,",13)){
  95     p_camelcounter->filter=g_strdup(opt_arg+13);
  96   } else {
  97     p_camelcounter->filter=NULL;
  98   }
  99
 100   camelcounter_reset(p_camelcounter);
 101
 102   error_string=register_tap_listener("CAMEL",
 103                                      p_camelcounter,
 104                                      p_camelcounter->filter,
 105                                      0,
 106                                      NULL,
 107                                      camelcounter_packet,
 108                                      camelcounter_draw);
 109
 110   if(error_string){
 111     /* error, we failed to attach to the tap. clean up */
 112     g_free(p_camelcounter->filter);
 113     g_free(p_camelcounter);
 114
 115     fprintf(stderr, "tshark: Couldn't register camel,counter tap: %s\n",
 116             error_string->str);
 117     g_string_free(error_string, TRUE);
 118     exit(1);
 119   }
 120 }
 121
 122
 123 void  /* Next line mandatory */
 124 register_tap_listener_camelcounter(void)
 125 {
 126   register_stat_cmd_arg("camel,counter", camelcounter_init, NULL);
 127 }