2002-11-01 05:29:36 +00:00
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/* tap-protohierstat.c
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* protohierstat 2002 Ronnie Sahlberg
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*
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2003-12-04 10:59:34 +00:00
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* $Id: tap-protohierstat.c,v 1.6 2003/12/04 10:59:33 guy Exp $
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2002-11-01 05:29:36 +00:00
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* This module provides ProtocolHierarchyStatistics for tethereal */
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#include <string.h>
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#include "epan/packet_info.h"
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#include "epan/epan_dissect.h"
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#include "epan/proto.h"
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#include "tap.h"
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#include "register.h"
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typedef struct _phs_t {
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struct _phs_t *sibling;
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struct _phs_t *child;
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struct _phs_t *parent;
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char *filter;
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int protocol;
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char *proto_name;
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guint32 frames;
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guint32 bytes;
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} phs_t;
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static phs_t *
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new_phs_t(phs_t *parent)
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{
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phs_t *rs;
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rs=g_malloc(sizeof(phs_t));
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rs->sibling=NULL;
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rs->child=NULL;
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rs->parent=parent;
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rs->filter=NULL;
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rs->protocol=-1;
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rs->proto_name=NULL;
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rs->frames=0;
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rs->bytes=0;
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return rs;
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}
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static int
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protohierstat_packet(void *prs, packet_info *pinfo, epan_dissect_t *edt, void *dummy _U_)
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{
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phs_t *rs=prs;
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phs_t *tmprs;
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proto_tree *tree;
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field_info *fi;
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if(!edt){
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return 0;
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}
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if(!edt->tree){
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return 0;
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}
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2003-12-04 10:59:34 +00:00
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if(!edt->tree->first_child){
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2002-11-01 05:29:36 +00:00
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return 0;
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}
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2003-12-04 10:59:34 +00:00
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for(tree=edt->tree->first_child;tree;tree=tree->next){
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2002-11-01 05:29:36 +00:00
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fi=PITEM_FINFO(tree);
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/* first time we saw a protocol at this leaf */
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if(rs->protocol==-1){
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2003-12-03 09:28:26 +00:00
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rs->protocol=fi->hfinfo->id;
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rs->proto_name=fi->hfinfo->abbrev;
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2002-11-01 05:29:36 +00:00
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rs->frames=1;
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rs->bytes=pinfo->fd->pkt_len;
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rs->child=new_phs_t(rs);
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rs=rs->child;
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continue;
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}
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/* find this protocol in the list of siblings */
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for(tmprs=rs;tmprs;tmprs=tmprs->sibling){
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2003-12-03 09:28:26 +00:00
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if(tmprs->protocol==fi->hfinfo->id){
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2002-11-01 05:29:36 +00:00
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break;
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}
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}
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/* not found, then we must add it to the end of the list */
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if(!tmprs){
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for(tmprs=rs;tmprs->sibling;tmprs=tmprs->sibling)
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;
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tmprs->sibling=new_phs_t(rs->parent);
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rs=tmprs->sibling;
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2003-12-03 09:28:26 +00:00
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rs->protocol=fi->hfinfo->id;
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rs->proto_name=fi->hfinfo->abbrev;
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2002-11-01 05:29:36 +00:00
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} else {
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rs=tmprs;
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}
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rs->frames++;
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rs->bytes+=pinfo->fd->pkt_len;
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if(!rs->child){
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rs->child=new_phs_t(rs);
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}
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rs=rs->child;
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}
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return 1;
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}
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static void
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phs_draw(phs_t *rs, int indentation)
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{
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int i;
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char str[80];
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for(;rs;rs=rs->sibling){
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if(rs->protocol==-1){
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return;
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}
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str[0]=0;
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for(i=0;i<indentation;i++){
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strcat(str," ");
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}
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strcat(str, rs->proto_name);
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printf("%-40s frames:%d bytes:%d\n",str, rs->frames, rs->bytes);
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phs_draw(rs->child, indentation+1);
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}
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}
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static void
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protohierstat_draw(void *prs)
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{
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phs_t *rs=prs;
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printf("\n");
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printf("===================================================================\n");
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printf("Protocol Hierarchy Statistics\n");
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printf("Filter: %s\n\n",rs->filter?rs->filter:"");
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phs_draw(rs,0);
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printf("===================================================================\n");
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}
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static void
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protohierstat_init(char *optarg)
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{
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phs_t *rs;
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int pos=0;
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char *filter=NULL;
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2003-04-23 08:20:06 +00:00
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GString *error_string;
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2002-11-01 05:29:36 +00:00
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if(!strcmp("io,phs",optarg)){
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filter="frame";
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} else if(sscanf(optarg,"io,phs,%n",&pos)==0){
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if(pos){
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filter=optarg+pos;
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} else {
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/* We must use a filter to guarantee that edt->tree
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will be populated. "frame" matches everything so
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that one is used instead of no filter.
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*/
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filter="frame";
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}
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} else {
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fprintf(stderr, "tethereal: invalid \"-z io,phs[,<filter>]\" argument\n");
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exit(1);
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}
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rs=new_phs_t(NULL);
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if(filter){
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rs->filter=g_malloc(strlen(filter)+1);
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strcpy(rs->filter, filter);
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} else {
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rs->filter=NULL;
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}
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2003-04-23 08:20:06 +00:00
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error_string=register_tap_listener("frame", rs, filter, NULL, protohierstat_packet, protohierstat_draw);
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if(error_string){
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2002-11-01 05:29:36 +00:00
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/* error, we failed to attach to the tap. clean up */
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g_free(rs->filter);
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g_free(rs);
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2003-04-23 08:20:06 +00:00
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fprintf(stderr, "tethereal: Couldn't register io,phs tap: %s\n",
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error_string->str);
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g_string_free(error_string, TRUE);
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2002-11-01 05:29:36 +00:00
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exit(1);
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}
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}
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void
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register_tap_listener_protohierstat(void)
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{
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2003-04-23 03:51:03 +00:00
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register_ethereal_tap("io,phs", protohierstat_init);
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2002-11-01 05:29:36 +00:00
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}
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