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/* stat.c
* Routines to register "-z" command-line argument or Statistics menu item
* handlers
*
* $Id$
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <string.h>
#include <glib.h>
#include "stat.h"
/* structure to keep track of what stats have registered command-line
arguments.
*/
typedef struct _stat_cmd_arg {
struct _stat_cmd_arg *next;
const char *cmd;
void (*func)(const char *arg);
} stat_cmd_arg;
static stat_cmd_arg *stat_cmd_arg_list=NULL;
/* structure to keep track of what stats have been specified on the
command line.
*/
typedef struct {
stat_cmd_arg *sca;
char *arg;
} stat_requested;
static GSList *stats_requested = NULL;
/* **********************************************************************
* Function called from stat to register the stat's command-line argument
* and initialization routine
* ********************************************************************** */
void
register_stat_cmd_arg(const char *cmd, void (*func)(const char *arg))
{
stat_cmd_arg *newsca;
newsca=g_malloc(sizeof(stat_cmd_arg));
newsca->next=stat_cmd_arg_list;
stat_cmd_arg_list=newsca;
newsca->cmd=cmd;
newsca->func=func;
}
/* **********************************************************************
* Function called for a stat command-line argument
* ********************************************************************** */
gboolean
process_stat_cmd_arg(char *optarg)
{
stat_cmd_arg *sca;
stat_requested *tr;
for(sca=stat_cmd_arg_list;sca;sca=sca->next){
if(!strncmp(sca->cmd,optarg,strlen(sca->cmd))){
tr=g_malloc(sizeof (stat_requested));
tr->sca = sca;
tr->arg=g_strdup(optarg);
stats_requested=g_slist_append(stats_requested, tr);
return TRUE;
}
}
return FALSE;
}
/* **********************************************************************
* Function to list all possible tap command-line arguments
* ********************************************************************** */
void
list_stat_cmd_args(void)
{
stat_cmd_arg *sca;
for(sca=stat_cmd_arg_list;sca;sca=sca->next){
fprintf(stderr," %s\n",sca->cmd);
}
}
/* **********************************************************************
* Function to process stats requested with command-line arguments
* ********************************************************************** */
void
start_requested_stats(void)
{
stat_requested *sr;
while(stats_requested){
sr=stats_requested->data;
(*sr->sca->func)(sr->arg);
g_free(sr->arg);
g_free(sr);
stats_requested=g_slist_remove(stats_requested, sr);
}
}
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