132 lines
3.6 KiB
C
132 lines
3.6 KiB
C
/* stat_cmd_args.c
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* Routines to register "-z" command-line argument handlers for stats
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*
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* $Id$
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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 <string.h>
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#include <glib.h>
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#include <epan/stat_cmd_args.h>
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/* structure to keep track of what stats have registered command-line
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arguments.
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*/
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typedef struct _stat_cmd_arg {
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const char *cmd;
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void (*func)(const char *arg, void* userdata);
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void* userdata;
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} stat_cmd_arg;
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static GSList *stat_cmd_arg_list=NULL;
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/* structure to keep track of what stats have been specified on the
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command line.
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*/
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typedef struct {
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stat_cmd_arg *sca;
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char *arg;
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} stat_requested;
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static GSList *stats_requested = NULL;
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/* **********************************************************************
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* Function called from stat to register the stat's command-line argument
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* and initialization routine
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* ********************************************************************** */
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static gint
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sort_by_name(gconstpointer a, gconstpointer b)
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{
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return strcmp(((const stat_cmd_arg *)a)->cmd,
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((const stat_cmd_arg *)b)->cmd);
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}
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void
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register_stat_cmd_arg(const char *cmd, void (*func)(const char*, void*),void* userdata)
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{
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stat_cmd_arg *newsca;
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newsca=g_malloc(sizeof(stat_cmd_arg));
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newsca->cmd=cmd;
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newsca->func=func;
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newsca->userdata=userdata;
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stat_cmd_arg_list=g_slist_insert_sorted(stat_cmd_arg_list, newsca,
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sort_by_name);
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}
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/* **********************************************************************
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* Function called for a stat command-line argument
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* ********************************************************************** */
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gboolean
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process_stat_cmd_arg(char *optstr)
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{
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GSList *entry;
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stat_cmd_arg *sca;
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stat_requested *tr;
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for(entry=stat_cmd_arg_list;entry;entry=g_slist_next(entry)){
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sca=entry->data;
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if(!strncmp(sca->cmd,optstr,strlen(sca->cmd))){
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tr=g_malloc(sizeof (stat_requested));
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tr->sca = sca;
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tr->arg=g_strdup(optstr);
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stats_requested=g_slist_append(stats_requested, tr);
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return TRUE;
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}
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}
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return FALSE;
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}
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/* **********************************************************************
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* Function to list all possible tap command-line arguments
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* ********************************************************************** */
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void
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list_stat_cmd_args(void)
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{
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GSList *entry;
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stat_cmd_arg *sca;
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for(entry=stat_cmd_arg_list;entry;entry=g_slist_next(entry)){
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sca=entry->data;
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fprintf(stderr," %s\n",sca->cmd);
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}
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}
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/* **********************************************************************
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* Function to process stats requested with command-line arguments
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* ********************************************************************** */
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void
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start_requested_stats(void)
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{
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stat_requested *sr;
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while(stats_requested){
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sr=stats_requested->data;
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(*sr->sca->func)(sr->arg,sr->sca->userdata);
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g_free(sr->arg);
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g_free(sr);
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stats_requested=g_slist_remove(stats_requested, sr);
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}
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}
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